CN103899241A - Maintenance ladder for transformer substation - Google Patents
Maintenance ladder for transformer substation Download PDFInfo
- Publication number
- CN103899241A CN103899241A CN201410105571.1A CN201410105571A CN103899241A CN 103899241 A CN103899241 A CN 103899241A CN 201410105571 A CN201410105571 A CN 201410105571A CN 103899241 A CN103899241 A CN 103899241A
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- China
- Prior art keywords
- ladder
- upper bar
- lower pole
- assembly
- transformer station
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 22
- 241000282326 Felis catus Species 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000009193 crawling Effects 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 7
- 238000012856 packing Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000009194 climbing Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 241000195622 Astasia Species 0.000 description 1
- 206010010947 Coordination abnormal Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The invention discloses a maintenance ladder for a transformer substation, relating to the field of ladders. The provided maintenance ladder for the transformer substation is smart in structure, light in weight, convenient to use, low in operation difficulty and convenient to carry, mount and dismount when being used. The maintenance ladder comprises a working table assembly and a crawling ladder assembly, wherein the working table assembly is fixedly connected to the top of the crawling ladder assembly and comprises a table top, a guard rail and a plurality of support rods; the guard rail is connected above the table top via the plurality of support rods; the crawling ladder assembly comprises an upper part ladder and a lower part ladder. In general, the problem that the size of a conventional companion ladder or extension ladder is influenced by a foot bar or a pedal when the conventional companion ladder or extension ladder is retracted is solved, the maintenance ladder has the advantages of convenience in carrying, mounting and dismounting and also has the characteristics of smart structure, light weight, convenience in use and low operation difficulty and the like.
Description
Technical field
The present invention relates to ladder field, relate in particular to the improvement for the maintenance ladder of transformer station.
Background technology
In transformer station, common equipment has line breaker, mutual inductor etc., wherein line breaker bottom bracket is about 2.2 meters to the height on ground, mutual inductor is about 2.5 meters to the height on ground, staff is in the time overhauling or install it, conventionally use single extension ladder or lift to climb to equipment top, and hand-held instrument operate.
In prior art, have a lot of extension ladder or lifts for climbing, portion " a kind of three connect lift " by name, the application number announced on July 4th, 2012 as State Bureau representative in lift are the document of " 201010286919.3 ".In this case, three layers of vertical ladder are connected by special syndeton, make it deployable or pack up, thereby improve or reduce the height of ladder.But such lift generally has that volume is large, quality is heavy, high in cost of production defect, meanwhile, in the repairing of power equipment, it is pressed for time, the feature of the carrying inconvenience of this type of lift is particularly outstanding, has brought great inconvenience to staff.
And in extension ladder, representative portion " telescopic ladder assembly " by name, the application number announced on August 31st, 2011 as State Bureau are the document of " 201110065916.1 ".In this case, some " ladder section " are from top to bottom pegged graft successively, and be provided with connector between adjacent " ladder section ".But, the defect such as this type of extension ladder exists complex structure, cost is high, quality is heavy and operation easier is large, operating personnel in use, cannot accomplish equally Fast Installation, use and quick-detachment fast.In addition, due to higher " ladder section ", its workpiece is also thinner, thereby has limited the height of ladder in the condition of intensity permission.
In addition, as everyone knows, ladder has hand steered point and foot-operated point conventionally, but, lift in above-mentioned or extension ladder, in the time packing up, cannot effectively be packed up as treadle or the pedal of foot-operated point, can only be crisscross arranged or stack gradually, volume after significantly having increased it and packing up, has brought great inconvenience to the transhipment of ladder.
Summary of the invention
The present invention is directed to above problem, provide a kind of delicate structure, quality is light, easy to use and operation easier is low, be convenient in use the maintenance ladder for transformer station of carrying and demolition, installation.
Technical scheme of the present invention is: comprise table assembly and cat ladder assembly;
Described table assembly is fixedly connected on described cat ladder assembly top; Described table assembly comprises table top, guardrail and some struts, and described guardrail is connected to described table top top by some described struts;
Described cat ladder assembly comprises upper ladder and bottom ladder, and described bottom ladder comprises a pair of hollow lower pole and some treadles, and a pair of described lower pole be arranged in parallel and is fixedly connected with by some treadles; Described upper ladder comprises a pair of hollow upper bar and some pedal assemblies, and some described pedal assemblies are movably connected in described upper bar; Described upper bar be plugged in described lower pole and and described lower pole between be provided with latch assembly.
On the sidewall of described upper bar, offer some holes of stretching out;
Described pedal assembly comprises body, ships and resell on another market and extension spring, described body comprises the section of stretching out and spacing section, described extension spring is located between the end face and the inwall of described upper bar of described spacing section, described ship and resell on another market be located in described between the section of stretching out and spacing section and be connected with the inwall of described upper bar, make described body stretch out the aperture in hole described in being rotatably connected on.
Described latch assembly comprises tool snap ring jaggy and locking nut, described snap ring is up-small and down-big shape and is fixedly connected on the suitable for reading of described lower pole, on described snap ring outer wall, offer and the external screw thread of described locking nut adaptation, make the dismountable top that is connected to described snap ring of described locking nut.
Described latch assembly comprises some locking pins, and the top of described lower pole offers the consistent jack of some height, is evenly distributed with the consistent locating hole of some and described jack internal diameter in described upper bar, described locking pin and described jack adaptation.
Described table top arranges obliquely and is 60 ° ~ 90 ° angles with described upper bar.
Between described table top and described upper bar, be provided with reinforcing rib.
Some described struts are telescopic rod.
Described maintenance ladder also comprises movable support platform, and described movable support platform comprises back-up block, bracing frame and some return pulleys, and some described return pulleys are connected on the bottom surface of described back-up block;
The bottom of a pair of described lower pole is fixedly connected on the end face of described back-up block, and support frame as described above is located at and connects below described table top and respectively the top of described lower pole and the end face of described back-up block.
The present invention can first unclamp latch assembly in use, pulls table top or strut, and upper bar is pulled out from lower pole, and the body of pedal assembly is stretched out from the extending port of upper bar; After reaching the length needing, lock again latch assembly; Its mounting means is very simple, singlely can carry out fast operating.After finishing using, unclamp latch assembly, make upper bar under the effect of gravity or external force in retraction lower pole, due to pedal assembly can completely retraction upper bar in, therefore, upper bar is that upper ladder can make this case in the time packing up in completely retraction lower body, and length, volume are all minimum, only single can carrying, very convenient.
Generally speaking, the problem of volume the is subject to impact of treadle or pedal that this case has solved traditional lift or extension ladder while packing up, has had the advantage of being convenient to carrying and demolition, installation concurrently.There is the features such as light, the easy to use and operation easier of delicate structure, quality is low simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is the left view of Fig. 1,
Fig. 3 is use view of the present invention,
Fig. 4 is the sectional drawing of use state one of the present invention,
Fig. 5 is the partial enlarged drawing at M place in Fig. 4,
Fig. 6 is the sectional drawing of use state two of the present invention;
Fig. 7 is the structural representation of the body of pedal assembly in the present invention,
Fig. 8 is the left view of Fig. 7,
Fig. 9 is the top view of Fig. 7;
Figure 10 is the first embodiment schematic diagram of latch assembly in the present invention,
Figure 11 is the top view of Figure 10,
Figure 12 is that the A-A of Figure 11 is to sectional view;
Figure 13 is embodiments of the present invention schematic diagrames,
Figure 14 is the left view of Figure 13;
In figure, 1 is table assembly, the 11st, and guardrail, the 12nd, strut, the 13rd, table top;
The 2nd, cat ladder assembly, the 21st, upper ladder, the 211st, upper bar, the 212nd, pedal assembly, the 2121st, body, 2121-1 is the section of stretching out, 2121-2 is spacing section, the 2122nd, ship and resell on another market, the 2123rd, extension spring;
The 22nd, bottom ladder, the 221st, lower pole, the 222nd, treadle; The 23rd, latch assembly, the 231st, locking nut, the 232nd, snap ring;
The 3rd, movable support platform, the 31st, bracing frame, the 32nd, back-up block, the 33rd, return pulley.
The specific embodiment
The present invention, as shown in Fig. 1-14, comprises table assembly 1 and cat ladder assembly 2;
Described table assembly 1 is fixedly connected on described cat ladder assembly 2 tops; Described workbench 1 assembly comprises the table top 13 of being made up of epoxy resin, the guardrail 11 of being made up of the flexible material that insulating and some struts of being made up of epoxy resin 12, and described guardrail 11 is connected to described table top 13 tops by some described struts 12; Because this case is for installation or the maintenance of the high-order equipment of transformer station, if operating personnel are standing directly on ladder, to there is astasia, borrowing hypodynamic phenomenon (is that human body is in the time having an effect, must borrow the power application of force by shank or foot if hand is had an effect), the workbench in this case effectively support operating personnel, operating personnel can be stablized stand and borrow power; In addition, play the effect of effective insulating protection, thereby significantly reduced operating personnel's potential safety hazard;
Described cat ladder assembly 2 comprises upper ladder 21 bottom ladders 22, and described bottom ladder 22 comprises a pair of hollow lower pole 221 and some hollow treadles 222, and a pair of described lower pole 221 be arranged in parallel and is fixedly connected with by some treadles 222; Described upper ladder 21 comprises a pair of hollow upper bar 211 and some pedal assemblies 212, and some described pedal assemblies 212 are movably connected in described upper bar 211; After upper bar is stretched out from lower pole, pedal assembly can stretch out from upper bar, plays foot support in the time that operating personnel climb; After in upper bar retraction lower pole, pedal assembly also can be taken in upper bar, thus the volume while significantly having reduced to overhaul terraced packing up; Described upper bar 211 be plugged in described lower pole 221 and and described lower pole 221 between be provided with latch assembly 23.Being that upper bar is telescopic is connected in lower pole, and can be locked or be unclamped by latch assembly.By hollow to lower pole, treadle and upper bar setting, equipment cost and overall weight are significantly reduced.
On the sidewall of described upper bar 211, offer some holes of stretching out;
Described pedal assembly 212 comprises body 2121, ship and resell on another market 2122 and extension spring 2123, described body 2121 comprises the section of stretching out 2121-1 and spacing section of 2121-2, described extension spring 2123 is located between the end face of described spacing section of 2121-2 and the inwall of described upper bar 211, described ship and resell on another market 2122 be located in described between the section of stretching out 2121-1 and spacing section of 2121-2 and be connected with the inwall of described upper bar 211, make described body 2121 stretch out the aperture in hole described in being rotatably connected on.Described spacing section of top is also provided with some spacer pins that are fixedly connected in upper bar.The described section of stretching out is stretched out behind the aperture in hole described in stretching out, described in the end face maintenance level of the section of stretching out and the bottom surface of the section of stretching out arrange obliquely; Described spacing section of one end away from the described section of stretching out under the effect of extension spring, be against on the inwall of described upper bar and with the shape adaptation of the inwall of described upper bar (its adaptive shape can reduce the end face of the spacing section wearing and tearing to upper bar inwall).
On the one hand, when pull-out upper bar, spacing section is upwards rotated under the effect of extension spring, the section of stretching out is outwards opened from stretch out hole, and after opening maintenance level, thereby make operating personnel when climbing can the foot-operated body of hand steered upper bar the section of stretching out, very simple, convenient; On the other hand, when upper bar is pushed in lower pole, because the section of stretching out bottom surface arranges obliquely, can under the effect of the apical margin of lower pole or latch assembly, overcome the pulling force of extension spring, retraction is stretched out in hole, pack up to upper bar completely, thereby make in the ladder of the complete retraction of upper ladder bottom, like this, this case is in the time packing up, length, volume are all minimum, and only single can carrying, very convenient.
In the present invention, the first embodiment of latch assembly is as shown in Figure 10-12: as described in latch assembly 23 comprise tool snap ring 232 jaggy and locking nut 231, described snap ring 232 is up-small and down-big shape and is fixedly connected on the suitable for reading of described lower pole 221, on described snap ring 232 outer walls, offer and the external screw thread of described locking nut 231 adaptations, make the dismountable top that is connected to described snap ring 232 of described locking nut 231.Rotate up locking nut and can unclamp upper bar, be rotated down nut and can lock upper bar.
The second embodiment of latch assembly in the present invention: 23 of described locking groups comprise some locking pins, the top of described lower pole offers the consistent jack of some height, in described upper bar, be evenly distributed with the consistent locating hole of some and described jack internal diameter, described locking pin and described jack adaptation.Extract or insert locking pin, can unclamp or lock upper bar.
Described table top 13 arranges obliquely and is 60 ° ~ 90 ° angles with described upper bar 211.Operating personnel find in use, in the time that high-order equipment is installed or overhauled, if both legs fork is bow step and stands, can in the time of operation, use larger power; To this, this case preferably arranges table top obliquely, makes operating personnel can be bow step in the time of operation and stands, and has also guaranteed operation height simultaneously.
Between described table top 13 and described upper bar 211, be provided with reinforcing rib.Further improve support strength and the stability of table top to operating personnel.
Some described struts 12 are telescopic rod.The height of guardrail can be regulated according to operating personnel's height.
Described maintenance ladder also comprises movable support platform 3, and described movable support platform 3 comprises back-up block 32, bracing frame 31 and some return pulleys 33, and some described return pulleys 33 are connected on the bottom surface of described back-up block 32;
The bottom of a pair of described lower pole 221 is fixedly connected on the end face of described back-up block 32, and support frame as described above 31 is located at below described table top 13 and connects respectively the top of described lower pole 221 and the end face of described back-up block 32.Like this, when distinct device operation in same transformer station, can move to fast equipment place to be operated by movable support platform, very simple, efficient.Meanwhile, the bracing frame that is positioned at table top below can effectively promote the stability of table assembly.
Claims (8)
1. for a maintenance ladder for transformer station, it is characterized in that, comprise table assembly and cat ladder assembly;
Described table assembly is fixedly connected on described cat ladder assembly top; Described table assembly comprises table top, guardrail and some struts, and described guardrail is connected to described table top top by some described struts;
Described cat ladder assembly comprises upper ladder and bottom ladder, and described bottom ladder comprises a pair of hollow lower pole and some treadles, and a pair of described lower pole be arranged in parallel and is fixedly connected with by some treadles; Described upper ladder comprises a pair of hollow upper bar and some pedal assemblies, and some described pedal assemblies are movably connected in described upper bar; Described upper bar be plugged in described lower pole and and described lower pole between be provided with latch assembly.
2. a kind of maintenance ladder for transformer station according to claim 1, is characterized in that, offers some holes of stretching out on the sidewall of described upper bar;
Described pedal assembly comprises body, ships and resell on another market and extension spring, described body comprises the section of stretching out and spacing section, described extension spring is located between the end face and the inwall of described upper bar of described spacing section, described ship and resell on another market be located in described between the section of stretching out and spacing section and be connected with the inwall of described upper bar, make described body stretch out the aperture in hole described in being rotatably connected on.
3. a kind of maintenance ladder for transformer station according to claim 1, it is characterized in that, described latch assembly comprises tool snap ring jaggy and locking nut, described snap ring is up-small and down-big shape and is fixedly connected on the suitable for reading of described lower pole, on described snap ring outer wall, offer and the external screw thread of described locking nut adaptation, make the dismountable top that is connected to described snap ring of described locking nut.
4. a kind of maintenance ladder for transformer station according to claim 1, it is characterized in that, described latch assembly comprises some locking pins, the top of described lower pole offers the consistent jack of some height, in described upper bar, be evenly distributed with the consistent locating hole of some and described jack internal diameter, described locking pin and described jack adaptation.
5. a kind of maintenance ladder for transformer station according to claim 1, is characterized in that, described table top arranges obliquely and is 60 ° ~ 90 ° angles with described upper bar.
6. a kind of maintenance ladder for transformer station according to claim 1, is characterized in that, between described table top and described upper bar, is provided with reinforcing rib.
7. a kind of maintenance ladder for transformer station according to claim 1, is characterized in that, some described struts are telescopic rod.
8. a kind of maintenance ladder for transformer station according to claim 1, it is characterized in that, described maintenance ladder also comprises movable support platform, and described movable support platform comprises back-up block, bracing frame and some return pulleys, and some described return pulleys are connected on the bottom surface of described back-up block;
The bottom of a pair of described lower pole is fixedly connected on the end face of described back-up block, and support frame as described above is located at and connects below described table top and respectively the top of described lower pole and the end face of described back-up block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105571.1A CN103899241B (en) | 2014-03-20 | 2014-03-20 | A kind of for the maintenance ladder in transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105571.1A CN103899241B (en) | 2014-03-20 | 2014-03-20 | A kind of for the maintenance ladder in transformer station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103899241A true CN103899241A (en) | 2014-07-02 |
| CN103899241B CN103899241B (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410105571.1A Expired - Fee Related CN103899241B (en) | 2014-03-20 | 2014-03-20 | A kind of for the maintenance ladder in transformer station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103899241B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804630A (en) * | 2016-03-15 | 2016-07-27 | 万庆昆 | Portable electrician ladder |
| CN106555548A (en) * | 2015-09-25 | 2017-04-05 | 科尔销售有限责任公司 | Telescopic ladder with maintaining body |
| CN107313709A (en) * | 2017-06-28 | 2017-11-03 | 国网河南省电力公司桐柏县供电公司 | A kind of electric insulation ladder |
| CN107839615A (en) * | 2017-10-16 | 2018-03-27 | 安卡精密机械（天津）股份有限公司 | A kind of upper frame for automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6073726A (en) * | 1998-11-16 | 2000-06-13 | Mccrystal; James D. | Adjustable step ladder |
| US6105719A (en) * | 1998-11-05 | 2000-08-22 | Rel Products Inc. | User-configurable mechanics stool |
| KR20080086319A (en) * | 2007-03-21 | 2008-09-25 | 이승균 | Antenna ladder |
| CN203362020U (en) * | 2013-07-16 | 2013-12-25 | 铜川供电局 | High-place operation device for transformer station |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1040104A1 (en) * | 1982-03-25 | 1983-09-07 | Специальное конструкторское бюро "СКБ-Мосстрой" | Telescopic ladder |
-
2014
- 2014-03-20 CN CN201410105571.1A patent/CN103899241B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6105719A (en) * | 1998-11-05 | 2000-08-22 | Rel Products Inc. | User-configurable mechanics stool |
| US6073726A (en) * | 1998-11-16 | 2000-06-13 | Mccrystal; James D. | Adjustable step ladder |
| KR20080086319A (en) * | 2007-03-21 | 2008-09-25 | 이승균 | Antenna ladder |
| CN203362020U (en) * | 2013-07-16 | 2013-12-25 | 铜川供电局 | High-place operation device for transformer station |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555548A (en) * | 2015-09-25 | 2017-04-05 | 科尔销售有限责任公司 | Telescopic ladder with maintaining body |
| CN106555548B (en) * | 2015-09-25 | 2020-04-21 | 科尔销售有限责任公司 | Telescopic ladder with retaining mechanism |
| CN105804630A (en) * | 2016-03-15 | 2016-07-27 | 万庆昆 | Portable electrician ladder |
| CN107313709A (en) * | 2017-06-28 | 2017-11-03 | 国网河南省电力公司桐柏县供电公司 | A kind of electric insulation ladder |
| CN107313709B (en) * | 2017-06-28 | 2023-03-10 | 国网河南省电力公司桐柏县供电公司 | A kind of electric insulation ladder |
| CN107839615A (en) * | 2017-10-16 | 2018-03-27 | 安卡精密机械（天津）股份有限公司 | A kind of upper frame for automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103899241B (en) | 2015-12-02 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20151015 Address after: 225000 No. 267 Pagoda Road South, Guangling District, Jiangsu, Yangzhou Applicant after: Wang Cheng Address before: 225000, No. 28, link road, Tongxin village, Tang Wang Village, Guangling District, Yangzhou, Jiangsu Applicant before: YANGZHOU ZONSON FORGING MACHINE TOOL CO., LTD. |
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Effective date of registration: 20151224 Address after: 225000 No. 267 Pagoda Road South, Guangling District, Jiangsu, Yangzhou Patentee after: Yangzhou Cheng Cheng Machinery Industry Co., Ltd. Address before: 225000 No. 267 Pagoda Road South, Guangling District, Jiangsu, Yangzhou Patentee before: Wang Cheng |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160320 |
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| CF01 | Termination of patent right due to non-payment of annual fee |