CN112077803A - A rotating shaft storage device based on a rotating machine and a method of using the same - Google Patents

Abstract

The invention discloses a rotating shaft storage device based on a rotating machine and a method of using the same, comprising a cabinet body and a cabinet door arranged on one side of the cabinet body, wherein the cabinet inner cavity is provided with thickened plates, a fastening device, a connection The thickened plate is fixedly arranged at the top position of the inner cavity of the cabinet, the bottom of the thickened plate is fixedly connected with the fastening device, and one end of the connecting frame is rotatably connected to the bottom of the fastening device The other end of the connecting frame is fixedly connected with the lifting ring, the bottom side of the lifting ring is provided with a sliding groove, and the sliding groove is configured with a plurality of limit blocks and connecting blocks that can slide in the sliding groove. The rotating shaft storage device of the present invention has a simple structure, can be moved according to needs, can be fixed and stored on the lifting ring by bolts, and can prevent the rotating shaft from colliding, rusting, corroding, damaged, dust accumulation, etc. Select suitable bolts to cooperate with it, and the flexibility is strong.

Description

A rotating shaft storage device based on a rotating machine and a method of using the same

【Technical field】

The invention relates to a rotating shaft storage device, in particular to a rotating shaft storage device based on a rotating machine and a method for using the same.

【Background technique】

With the continuous development of science and technology, rotating machinery is more and more widely used in all walks of life. However, due to the long-term operation of the machine, the rotating shaft may be bent, cracked, broken, deformed, etc., so it is necessary to replace and repair the rotating shaft in time. Therefore, in order to choose the safe, reliable and stable operation of the machine, it is necessary to spare a part of the rotating shaft to avoid emergency.

However, at present, spare shafts are generally stored in stacks, which are prone to collision, wear, rust, storage difficulties, and large footprint, which directly affect the service life of the shafts.

To this end, we propose a rotating shaft storage device based on a rotating machine and its use method.

[Content of the invention]

The main purpose of the present invention is to provide a rotating shaft storage device based on a rotating machine and a method of using the same, which can at least solve the problem that the spare rotating shafts are generally stored in piles, which are prone to collision, wear, rust, storage difficulties, and large footprint. Technical issues affecting the service life of the shaft.

To achieve the above object, the technical scheme adopted in the present invention is:

A rotating shaft storage device based on a rotating machine, comprising a cabinet body and a cabinet door arranged on one side of the cabinet body, a thickened plate, a fastening device, a connecting frame and a lifting ring are arranged in the inner cavity of the cabinet, and the thickened plate is fixedly arranged in the cabinet. At the top of the cavity, a fastening device is fixedly connected to the bottom of the thickened plate. One end of the connecting frame is rotatably connected to the bottom of the fastening device, and the other end of the connecting frame is fixedly connected to the lifting ring. The bottom side of the lifting ring is provided with a sliding groove. The sliding groove is configured with multiple The limit blocks and connecting blocks that can slide in the sliding groove are alternately arranged between multiple limit blocks and connecting blocks. The bottom of the connecting block is fixedly connected with bolts. The bolts are used to fix the connection shaft. matching threaded holes.

Optionally, it also includes a carrier plate, two of which are fixed horizontally on the side walls in the cabinet cavity, the bottom of the thickened plate is fixedly connected with a fixed convex strip, and the top of the carrying plate is provided with a wedge with the fixed convex strip. There is a distance between the bearing plate and the top of the inner cavity of the cabinet, and the distance is greater than the sum of the heights of the fixed protruding strip and the thickened plate.

Optionally, a sealing ring is provided in the cabinet door.

Optionally, a rotating bearing disk is arranged in the thickened plate, and one end of the connecting frame is fixedly connected with the rotating bearing disk.

Optionally, the cabinet body and the cabinet door are locked by a door lock.

Optionally, a plurality of rollers are provided at the bottom of the cabinet, the rollers are used to promote the movement of the cabinet, and the rollers are configured with a locking mechanism.

Optionally, four rollers are arranged at the bottom of the cabinet and the four rollers are arranged in two groups.

Optionally, the connecting frame includes a vertical rod and a horizontal rod, the horizontal rod is fixedly connected to the inner side of the lifting ring, the vertical rod is fixedly connected to the horizontal rod, and the angle between the vertical rod and the horizontal rod is 90 degrees.

Optionally, the sliding groove includes a moving groove for the limit block and the connecting block to slide and a limit groove for limiting the position of the limit block and the connecting block. Wedge plate in limit slot.

Optionally, the plurality of bolts are of different sizes.

A method of using the above-mentioned rotating shaft storage device, wherein the rotating shaft to be stored is connected to the bolt by using an electric wrench to be rotated and fixed, and the specific steps are as follows:

Step 1, choose an electric wrench, and the electric wrench chooses a fixed torque electric wrench;

Step 2, select a prefabricated connecting pipe, select a prefabricated connecting pipe according to the size of the shaft to be stored, and the size requirements of the connecting pipe are as follows;

The top of the connecting pipe can be clearance-fitted with the rotating shaft and torque can be transmitted between the two, and the tail of the connecting pipe can be clearance-fitted with the rotating sleeve of the constant-torque electric wrench itself, and torque can be transmitted between the two. ;

Step 3: Pre-installation of the connecting tube and the rotating shaft, the tail of the connecting tube described in Step 2 and the rotating sleeve are gap-fitted while transmitting torque to each other, and the top of the connecting tube described in Step 2 is gap-fitted with the rotating shaft. At the same time, torque can be transmitted to each other;

Step 4, implement the installation or disassembly of the rotating shaft on the bolt, select the working torque of the electric wrench with a fixed torque, and match the end of the rotating shaft with the threaded hole to the position of the bolt. The torque electric wrench drives the shaft to rotate, so that the shaft can be rotated and fixed on the bolt or removed from the bolt;

Step 5: After the installation or disassembly of the rotating shaft is completed, the power supply of the constant torque electric wrench is turned off, and the connecting pipe is removed from the rotating sleeve.

Compared with the prior art, the present invention has the following beneficial effects:

1. The rotating shaft can be fixed and stored on the lifting ring by bolts. At the same time, the sliding groove is equipped with multiple limit blocks and connecting blocks that can slide in the sliding groove. The multiple limit blocks and connecting blocks are alternately arranged to ensure the rotating shaft. There is enough space for access to prevent shaft collision, rust, corrosion, damage, dust accumulation, etc., to ensure that the storage and maintenance of the shaft play a better protective role;

2. Strong applicability, there are multiple bolts with different sizes and specifications, so that the shaft can choose appropriate bolts to cooperate with it according to its weight, size and length and other parameters. Classification;

3. Easy to move, with rollers and roller locking mechanism, so that the storage device can be moved or locked as needed;

4. Efficient and fast, electric wrench equipment can be used to rotatably install and disassemble the shaft, which replaces the manual rotation of the shaft by the operator, and improves the work efficiency of the shaft storage.

【Description of drawings】

The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

FIG. 1 is a schematic diagram of the overall structure of the rotating shaft storage device based on the rotating machine according to the first embodiment.

FIG. 2 is a schematic bottom view of the structure of the suspension ring of the rotating shaft storage device based on the rotating machine according to the first embodiment.

FIG. 3 is a schematic top-view structural diagram of the suspension ring of the rotating shaft storage device based on the rotating machine according to the first embodiment.

4 is a schematic cross-sectional view of a suspension ring of the rotating shaft storage device of the rotating machinery-based rotating shaft storage device according to the first embodiment.

FIG. 5 is a schematic cross-sectional view of the hoisting ring in which the connecting block of the rotating machine-based rotating shaft storage device according to the first embodiment is arranged in the sliding groove.

FIG. 6 is a schematic cross-sectional view of the hoisting ring in which the limit block based on the rotating machine is arranged in the sliding groove according to the first embodiment.

7 is a schematic diagram of the connection structure between the bolt and the connecting block of the rotating shaft storage device based on the rotating machine according to the first embodiment.

8 is a schematic diagram illustrating the installation of the rotating shaft and the bolt of the rotating machine-based rotating shaft storage device according to the first embodiment.

9 is a schematic diagram of the structure of the rotating shaft of the rotating shaft storage device based on the rotating machine according to the first embodiment.

FIG. 10 is a schematic diagram of the cabinet structure of the rotating shaft storage device based on the rotating machine according to the second embodiment.

FIG. 11 is a schematic diagram of the installation of the thickened plate and the bearing plate of the rotating machine-based rotating shaft storage device according to the second embodiment.

FIG. 12 is a schematic view of the loading and unloading of the thickened plate of the rotating shaft storage device based on the rotating machine according to the second embodiment.

FIG. 13 is a flow chart of a method of using the rotating shaft storage device.

FIG. 14 is a schematic structural diagram of a connecting sleeve of a method of using the rotating shaft storage device.

FIG. 15 is a schematic diagram of the pre-assembly and cooperation of the connecting pipe and the rotating sleeve of a method of using the rotating shaft storage device.

FIG. 16 is a schematic diagram of the pre-assembly and cooperation of the connecting tube and the rotating shaft of a method of using the rotating shaft storage device.

FIG. 17 is a dynamic schematic diagram of the rotating shaft when the electric wrench rotates the rotating shaft according to the method of using the rotating shaft storage device.

In the figure: 1. Cabinet body; 2. Cabinet door; 3. Thickened plate; 4. Fastening device; 5. Upright pole; 6. Lifting ring; 7. Bolt; 8. Door lock; slot; 101, limit slot; 11, connection block; 12, limit block; 13, cross bar; 14, threaded hole; 15, fixed convex strip; 16, bearing plate; 17, fixed groove; 18, roller; 19 , wedge plate; 20, connecting pipe; 21, constant torque electric wrench; 22, rotating sleeve.

【Detailed ways】

In order to make the technical means, creative features, goals and effects realized by the present invention easy to understand, the technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention. The described embodiments are only some, but not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and apparatus should be considered part of the authorized description. All examples shown and discussed herein should be construed as illustrative only and not limiting.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", " The orientation or positional relationship indicated by "outside", "tail", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, construction and operation in a particular orientation, and therefore should not be construed as a limitation of the present invention.

Example 1

Referring to FIG. 1, a rotating shaft storage device based on a rotating machine includes a cabinet body 1 and a cabinet door 2 arranged on one side of the cabinet body 1. The inner cavity of the cabinet body 1 is configured with a thickened plate 3, a fastening device 4, and a connecting frame. And the lifting ring 6, the thickened plate 3 is fixedly arranged at the top of the inner cavity of the cabinet 1, the bottom of the thickened plate 3 is fixedly connected with a fastening device 4, one end of the connecting frame is rotatably connected with the bottom of the fastening device 4, and the other end of the connecting frame is connected to the bottom of the fastening device 4. The lifting ring 6 is fixedly connected, the bottom side of the lifting ring 6 is provided with a sliding groove, the sliding groove is configured with a plurality of limit blocks 12 and connecting blocks 11 that can slide in the sliding groove, and the plurality of limit blocks 12 and the connecting blocks 11 are alternately arranged , the bottom of the connecting block 11 is fixedly connected with a bolt 7, the bolt 7 is used for fixedly connecting the rotating shaft 9, and any end of the rotating shaft 9 is provided with a threaded hole 14 adapted to the bolt 7.

It should be noted that, the cabinet body 1 and the cabinet door 2 are movably connected to each other through loose-leaf or other hinge structures.

The thickened plate 3 is used to bear the gravity of hoisting, and the hoisting ring 6 is fixed in radial position relative to the fastening device 4 by using the connecting frame and can be rotated in the axial direction. Referring to FIG. 2 , a plurality of limit blocks 12 and connecting blocks 11 arranged in the sliding groove on the bottom side of the lifting ring 6 are alternately arranged to ensure that there will be no collision between the rotating shaft 9 and the adjacent rotating shaft 9, so as to ensure that the rotating shaft 9 is stored Take enough space distance.

Referring to Fig. 8, the rotating shaft 9 to be stored can be screwed on the bolt 7 by using the threaded hole 14 opened at the end to realize the hoisting of the rotating shaft 9 on the lifting ring 6;

Specific use and operation process: when it is necessary to store the rotating shaft 9, open the cabinet door 2, turn the lifting ring so that the bolt 7 provided on it faces the cabinet door, and the rotating shaft 9 is provided with one end of the threaded hole 14 adapted to the bolt 7 and the bolt 7 is rotated. Then, the fixing of the bolt 7 on the bolt 7 is completed. At this time, if the rotating shaft 9 needs to be stored, push the bolt 7 on which the rotating shaft 9 has been installed to slide in the lifting ring 6, so as to remove the other parts of the lifting ring 6 without the rotating shaft 9. The bolt 7 is moved to the position of the cabinet door 2. Specifically, the bolt 7 can be slid to the position of the cabinet door in the lifting ring 6 to install the rotating shaft 9, or the lifting ring 6 can be rotated to rotate the bolt 7 to the position of the cabinet door to install the rotating shaft 9;

When the rotating shaft 9 needs to be taken out, the rotating shaft 9 can be rotated and removed from the bolt 7 in sequence.

In a further embodiment, a sealing ring is arranged in the cabinet door 2 to effectively prevent the occurrence of dust, moisture, corrosion, etc., and to better protect the storage and maintenance of the rotating shaft 9 .

In a further embodiment, the thickened plate 3 is provided with a rotating bearing disk (not shown in the figure).

In a further embodiment, the lock between the cabinet body 1 and the cabinet door 2 is realized by a door lock 8 .

The type of the door lock 8 is not limited, and can be a plane lock, a link lock, or the like.

In a further embodiment, a plurality of rollers 18 are arranged at the bottom of the cabinet 1. The rollers 18 are used to promote the movement of the cabinet 1. The rollers 18 are provided with locking mechanisms, and the rollers 18 and the locking mechanisms adopt solutions in the prior art. , and the roller 18 and the locking mechanism are also commercially available.

In a further embodiment, the bottom of the cabinet 1 is provided with four rollers 18 and the four rollers 18 are arranged in two groups.

In a further embodiment, the connecting frame includes a vertical rod 5 and a horizontal rod 13, the horizontal rod 13 is fixedly connected to the inner side of the lifting ring 6, the vertical rod 5 is fixedly connected to the horizontal rod 13, and the angle between the vertical rod 5 and the horizontal rod 13 is Ninety degrees.

The top end of the vertical rod 5 is fixedly connected to the aforementioned rotating bearing plate, and the installation method of the rotating bearing plate and the fixed connection method of the rotating bearing plate and the vertical rod 5 adopt the existing conventional installation method, which is not specifically limited here.

In a further embodiment, the sliding slot includes a moving slot 10 for the limit block 12 and the connection block 11 to slide, and a limit slot 101 for limiting the position of the limit block 12 and the connection block 11. The limit block 12 and the connection block 10 The tops of the blocks 11 are fixedly connected with wedging plates 19 for wedging in the limiting grooves 101 .

The sliding groove has two functions and purposes, one purpose is to provide the limit block 12 and the connecting block 11 to slide freely in the sliding groove, and the other purpose is to allow the limit block 12 and the connecting block 11 to slide freely in the sliding groove. At the same time, the limit block 12 and the connection block 11 will not fall out of the sliding groove;

Therefore, referring to FIG. 4 , the sliding slot is divided into a moving slot 10 and a limiting slot 101 . The width of the limiting slot 101 is larger than that of the moving slot 10 , so that the limiting block 12 and the connecting block 11 can be fixed.

Referring to FIG. 7 , in a further embodiment, the sizes and specifications of the plurality of bolts 7 are different, and the corresponding bolts 7 can be selected according to the length, weight and diameter of the rotating shaft 9 to be stored.

Embodiment 2

The difference between this embodiment and the first embodiment is that:

Referring to Figures 10-12, the cabinet body 1 further includes two bearing plates 16, two of which are fixed horizontally on the side walls of the inner cavity of the cabinet body 1, and the bottom of the thickened plate 3 is fixedly connected with a fixed protruding strip 15 , the top of the carrier plate 16 is provided with a fixed groove 17 wedged with the fixed protruding strip 15, and there is a distance between the carrying plate 16 and the top of the inner cavity of the cabinet 1, and the distance is greater than the fixed protruding strip 15 and the thickened plate 3 the sum of the heights.

In this embodiment, the thickened plate 3 is detachably fixed at the top position of the inner cavity of the cabinet body 1, so that the thickened plate 3 can be quickly and easily assembled and disassembled from the cabinet body 1, see Figures 10-11, due to the thickened plate 3 The bottom of the plate 3 is fixedly connected with a fixed convex strip 15 , and the fixed convex strip 15 is wedged with the fixed groove 17 at the top of the carrier plate 16 , thereby completing the fixed placement of the thickened plate 3 on the supporting plate 16 .

Referring to FIG. 12 , when the thickened plate 3 needs to be replaced or disassembled, it is only necessary to lift the thickened plate 3 upward relative to the cabinet body 1 , since there is a section between the bearing plate 16 and the top of the inner cavity of the cabinet body 1 . The distance is greater than the sum of the heights of the fixed protruding strip 15 and the thickened plate 3, so when the fixed convex strip 15 is lifted out of the fixed groove 17, the thickened plate 3 can be pulled out horizontally and horizontally from the cabinet 1 .

A method of using the above-mentioned rotating shaft storage device, the rotating shaft 9 to be stored uses an electric wrench to realize the rotation and fixed connection with the bolt 7, which specifically includes the following steps:

Step 1, select an electric wrench, and the electric wrench selects a fixed torque electric wrench 21;

The constant torque electric wrench 21 is also called torque adjustable electric wrench, which is a kind of electric wrench, which can set the torque and adjust the torque.

Step 2, select a prefabricated connecting pipe 20, select the prefabricated connecting pipe 20 according to the size of the rotating shaft 9 to be stored, and the size requirements of the connecting pipe 20 are as follows;

The top of the connecting pipe 20 can be clearance fit with the rotating shaft 9 , torque can be transmitted between the top of the connecting pipe 20 and the rotating shaft 9 , and the tail of the connecting pipe 20 can be compatible with the fixed torque electric wrench 21 itself. The rotating sleeve 22 is a clearance fit and can transmit torque therebetween;

At present, the existing constant torque electric wrench 21 itself has a rotating sleeve 22 , and the rotating sleeve 22 is fixedly connected with the rotating part of the constant torque electric wrench 21 .

The connecting pipe 20 can be processed by conventional processing equipment and processing methods such as lathes, and the specific processing process can refer to the existing processing process of connecting pipes;

The tail of the connecting pipe 20 can be gap-fitted with the rotating sleeve 22 of the selected constant-torque electric wrench itself. The diameter and the inner diameter of the rotating sleeve 22 realize clearance fit.

Referring to FIG. 14 , (a) and (b) are schematic structural diagrams of the connecting pipe 20 from different viewing angles.

Step 3, the pre-installation of the connecting pipe 20 and the rotating shaft 9, see Fig. 15 and Fig. 16, the tail of the connecting pipe 20 described in The top of the connecting pipe 20 is in clearance fit with the rotating shaft 9 and can transmit torque to each other at the same time;

Step 4, implement the installation or disassembly of the rotating shaft 9 on the bolt 7, refer to FIG. 17, select the working torque of the torque electric wrench 21, and make the end of the rotating shaft 9 with the threaded hole 14 correspond to the position of the bolt 7, At this time, the constant torque electric wrench 21 is activated, so that the constant torque electric wrench 21 drives the rotating shaft 9 to rotate, so that the rotating shaft 9 is rotated and fixed on the bolt 7;

The rotation of the rotating shaft 9 on the bolt 7 depends on the rotation of the rotating shaft 9 and the cooperation between the threaded hole 14 and the bolt 7, so that the rotating shaft 9 is rotated to install on the bolt 7 or the rotating shaft 9 is rotated away from the bolt 7 to complete the disassembly.

Step 5: After the installation or disassembly of the rotating shaft 9 is completed, the power supply of the constant torque electric wrench 21 is turned off, and the connecting pipe 20 is removed from the rotating sleeve 22 .

After the shaft is installed or disassembled, you can store all the tools according to this step.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A rotating shaft storage device based on a rotating machine, comprising a cabinet, characterized in that, the inner cavity of the cabinet is configured with a thickened plate, a fastening device, a connecting frame and a lifting ring, and the thickened plate is fixedly arranged in the At the top position of the inner cavity of the cabinet, the fastening device is fixedly connected to the bottom of the thickened plate, one end of the connecting frame is rotatably connected to the bottom of the fastening device, and the other end of the connecting frame is fixedly connected to the lifting ring, The bottom side of the lifting ring is provided with a sliding groove, and the sliding groove is configured with a plurality of limit blocks and connection blocks that can slide in the sliding groove, and the plurality of limit blocks and the connection blocks are alternately arranged, so The bottom of the connecting block is fixedly connected with a bolt, the bolt is used for fixing and connecting the rotating shaft, and any end of the rotating shaft is provided with a threaded hole adapted to the bolt. 2 . The rotating shaft storage device based on a rotating machine according to claim 1 , further comprising a bearing plate, wherein the bearing plates are two and are respectively horizontally and fixedly connected to the side walls in the inner cavity of the cabinet, 2 . The bottom of the thickened plate is fixedly connected with a fixed convex strip, the top of the bearing plate is provided with a fixed groove wedged with the fixed convex strip, and there is a section between the carrying plate and the top of the inner cavity of the cabinet. The distance is greater than the sum of the heights of the fixed protruding strip and the thickened plate. 3 . The rotating shaft storage device based on a rotating machine according to claim 1 , further comprising a cabinet door, the cabinet body and the cabinet door are locked by a door lock, and the cabinet door is provided with a door. 4 . Has sealing ring. 4 . The rotating shaft storage device based on a rotating machine according to claim 1 , wherein a rotating bearing plate is arranged in the thickened plate, and one end of the connecting frame is fixedly connected to the rotating bearing plate. 5 . 5 . The rotating shaft storage device based on a rotating machine according to claim 1 , wherein a plurality of rollers are arranged at the bottom of the cabinet, the rollers are used to promote the movement of the cabinet, and the rollers are equipped with locks 5 . stop agency. 6 . The rotating shaft storage device based on a rotating machine according to claim 5 , wherein four rollers are arranged at the bottom of the cabinet and the four rollers are arranged in two groups. 7 . 7 . The rotating shaft storage device based on a rotating machine according to any one of claims 1 to 6 , wherein the connecting frame comprises a vertical bar and a horizontal bar, the horizontal bar is fixedly connected to the inner side of the hoisting ring, and the vertical bar is fixedly connected. 8 . The pole is fixedly connected with the horizontal pole, and the angle between the vertical pole and the horizontal pole is ninety degrees. 8. The rotating machine-based rotating shaft storage device according to any one of claims 1 to 6, wherein the sliding groove comprises a moving groove for sliding the limit block and the connecting block and a moving groove for limiting the limit block and the connecting block. The position of the limit block and the limit groove of the connection block, the top of the limit block and the connection block are fixedly connected with a wedge plate for wedging in the limit groove. 9 . The rotating shaft storage device based on a rotating machine according to claim 1 , wherein the sizes of the plurality of bolts are different. 10 . 10. A method of using the rotating shaft storage device according to any one of claims 1 to 9, wherein the rotating shaft to be stored utilizes an electric wrench to realize a rotationally fixed connection with the bolt, specifically comprising the following steps: Step 1, choose an electric wrench, and the electric wrench chooses a fixed torque electric wrench; Step 2, select a prefabricated connecting pipe, select a prefabricated connecting pipe according to the size of the shaft to be stored, and the size requirements of the connecting pipe are as follows; The top of the connecting pipe can be clearance-fitted with the rotating shaft and torque can be transmitted between the two, and the tail of the connecting pipe can be clearance-fitted with the rotating sleeve of the constant-torque electric wrench itself, and torque can be transmitted between the two. ; Step 3, pre-installation of the connecting pipe and the rotating shaft, the tail of the connecting pipe described in step 2 and the rotating sleeve are gap-fitted while transmitting torque to each other, and the top of the connecting tube described in step 2 is gap-fitted with the rotating shaft At the same time, torque can be transmitted to each other; Step 4, implement the installation or disassembly of the rotating shaft on the bolt, select the working torque of the electric wrench with a fixed torque, and match the end of the rotating shaft with the threaded hole to the position of the bolt. The torque electric wrench drives the shaft to rotate, so that the shaft can be rotated and fixed on the bolt or removed from the bolt; Step 5: After the installation or disassembly of the rotating shaft is completed, the power supply of the constant torque electric wrench is turned off, and the connecting pipe is removed from the rotating sleeve.

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