CN113446904B - Shield folding and unfolding device - Google Patents

Abstract

The invention discloses a shield retracting device, which comprises: a first sliding mechanism, the first sliding mechanism is arranged between the back of the upper card and the front of the middle card, and the upper card slides along the first sliding mechanism to realize the translation of the upper card on the front of the middle card ; The second sliding mechanism, the second sliding mechanism is located between the back of the middle card and the front of the lower card, the middle card slides along the second sliding mechanism to realize the translation of the middle card on the front of the lower card; the translation drive mechanism, the bottom end of the translation drive mechanism is located at the bottom On the back of the card, the driving end of the translation drive mechanism is connected to the back of the middle card, and the telescopic movement of the translation drive mechanism drives the middle card to translate on the front of the upper card. The invention realizes the relative translation of the upper card, the middle card and the lower card to reach the folded and unfolded state, quickly and automatically completes the shield's stowage and unfolding, improves the efficiency, and saves manpower and time. Simultaneously increases the safety of personnel in hazardous environments. In addition, the shield is folded to reduce its size and occupy less space, which is convenient for storage and transportation, and can also increase the overall passability.

Description

A shield retractable device

technical field

The invention relates to the technical field of shield attitude control, in particular to a shield retracting device suitable for robots.

Background technique

In order to improve the overall mobility, passability, and concealment of the shield mechanism, it is necessary to reduce the space occupied by the shield when needed. The existing shield is a fixed structure that cannot be automatically extended and retracted. It can only be installed and disassembled by external personnel to realize the erection and retraction of the shield. In a dangerous environment, the process of personnel disassembling and assembling the shield may bring safety problems to it. In addition, existing shields are basically installed and disassembled manually. For small shields, the workload of manual installation and disassembly is acceptable, but for large shields, it takes a lot of manpower and time. Therefore how to realize the automatic retraction of the shield becomes a problem to be solved urgently in this field.

Contents of the invention

The purpose of the present invention is to provide a shield retracting device to realize the automatic shield retraction, improve the efficiency of retraction, reduce manpower and time, improve the safety of personnel in dangerous environments, and increase the overall passability after retracting .

To achieve the above object, the present invention provides a shield retracting device, which is used to retract a shield including an upper card, a middle card and a lower card; the retracting device includes:

A first sliding mechanism, the first sliding mechanism is arranged between the back of the upper card and the front of the middle card, and the upper card slides along the first sliding mechanism to realize the translation of the upper card on the front of the middle card;

The second sliding mechanism, the second sliding mechanism is arranged between the back of the middle card and the front of the lower card, and the middle card slides along the second sliding mechanism to realize the translation of the middle card on the front of the lower card;

A translational drive mechanism, the bottom end of the translational drive mechanism is arranged on the back of the lower card, the driving end of the translational drive mechanism is connected to the back of the middle card, and the telescopic movement of the translation drive mechanism drives the middle card to translate on the front of the lower card.

Optionally, the first sliding mechanism includes a first slide rail pair arranged on the back of the upper card and a pulley block arranged on the top of the middle card, and the pulley block slides in the first slide rail pair.

Optionally, the pulley block is driven to rotate by a rope, one end of the rope is connected to the upper card, the other end of the rope is connected to the lower card, and when the middle card translates relative to the lower card, the rope moves around the pulley block to drive the The pulley block slides along the first slide rail pair.

Optionally, the second sliding mechanism includes a second slide rail pair arranged on the back of the middle card and a guide block arranged on the front of the lower card, and the guide block is arranged in the track of the second slide rail pair.

Optionally, when the retracting device is in the unfolded state, the bottom of the upper card partially overlaps with the top of the middle card, and the bottom of the middle card partially overlaps with the top of the lower card.

Optionally, the translation drive mechanism is an electric push rod, a pneumatic push rod or a hydraulic push rod.

Optionally, the retracting device further includes angle adjustment driving parts respectively hinged between the lower board and the shield base, and a hinge provided between the lower board and the shield base.

Optionally, the hinge includes a first hinge seat fixed on the base of the shield, a hinge tube fixed on the back of the lower card, and a hinge rod passing through the first hinge seat and the hinge tube; the hinge tube The distance between the axis line of the shield and the bottom surface of the lower plate is less than the sum of the height of the first hinge seat and the thickness of the shield base.

Optionally, the shield base is provided with a second hinged seat, the back of the lower card is provided with a third hinged seat, the bottom end of the angle adjustment driver is hinged with the second hinged seat, and the angle adjustment drive The top of the component is hinged to the third hinge seat.

Optionally, the angle adjustment driving member is an electric push rod, a pneumatic push rod or a hydraulic push rod.

According to the specific embodiments provided by the present invention, the present invention discloses the following technical effects: The shield retracting device provided by the present invention is used to retract the shield including the upper card, the middle card and the lower card, which are respectively located between the back of the upper card and the front of the middle card. The first sliding mechanism is set between the back of the middle card and the front of the lower card, and the second sliding mechanism is set between the back of the middle card and the front of the lower card. The telescopic movement of the translation drive mechanism drives the middle card to translate on the front of the lower card, thus realizing the relative translation of the upper card, the middle card and the lower card. It reaches the folding and unfolding state, quickly and automatically completes the shield’s folding and unfolding, improves efficiency, and saves manpower and time. In addition, the shield is folded to reduce its volume and occupy less space, which is convenient for storage and transportation, and can also increase the overall passability.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of a shield retracting device provided by an embodiment of the present invention in an unfolded state;

Fig. 2 is a schematic structural view of the shield retracting device provided by the embodiment of the present invention in a superimposed state;

Fig. 3 is a schematic structural view of the shield retracting device provided by the embodiment of the present invention in a retracted state.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The object of the present invention is to provide a shield retracting device to realize automatic shield retraction, improve retraction efficiency, and reduce manpower and time.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1-3, the shield retracting device provided in this embodiment is used to retract the shield including the upper card 1, the middle card 2 and the lower card 3; the retracting device includes:

A first sliding mechanism, the first sliding mechanism is arranged between the back of the upper card and the front of the middle card, and the upper card 1 slides along the first sliding mechanism to realize the translation of the upper card 1 on the front of the middle card;

The second sliding mechanism, the second sliding mechanism is arranged between the back of the middle card and the front of the lower card, and the middle card 2 slides along the second sliding mechanism to realize the translation of the middle card 2 on the front of the lower card;

Translation drive mechanism 5, the bottom end of the translation drive mechanism 5 is arranged on the back of the lower card, the driving end of the translation drive mechanism 5 is connected to the back of the middle card, and the telescopic movement of the translation drive mechanism 5 drives the middle card 2 to translate on the front of the lower card . This translation drive mechanism 5 is electric push rod or pneumatic push rod or hydraulic pressure push rod, and the top of push rod 51 is connected on the hinge frame 24 perpendicular to the back of the middle card, and the bottom of translation drive mechanism 5 is hinged on the back of the lower card. The telescopic movement of the push rod 51 can drive the middle card 2 to translate up and down.

In this embodiment, a first sliding mechanism is respectively arranged between the back of the upper card and the front of the middle card, and a second sliding mechanism is arranged between the back of the middle card and the front of the lower card, and the telescopic movement of the translation drive mechanism is used to drive the middle card to translate on the front of the lower card. Therefore, the relative translation of the upper card, the middle card and the lower card can be achieved to achieve the overlapping and unfolding state, and the folding and unfolding of the shield can be quickly and automatically completed, which improves efficiency and saves manpower and time.

In some embodiments, as shown in FIG. 1 , the first sliding mechanism includes a first slide rail pair 11 arranged on the back of the upper card and a pulley block 21 arranged on the top of the middle card, and the pulley block 21 is located on the first slide rail pair 11 slides. And in this embodiment, the pulley block 21 is driven to rotate by the rope 22, and one end of the rope 22 is connected to the upper card 1, and the other end of the rope 22 is connected to the lower card 3, and the middle card 2 is connected to the lower card 3 when the middle card 2 translates. 22 moves around the pulley set 21, and drives the pulley set 21 to slide along the first slide rail pair 11. Of course the rotation mode of the mixed wheel set 21 can also be realized in other ways, such as electric rotation, as long as the rotation of the pulley block 21 can be realized, the upper card 1 can be translated along the front of the middle card 2.

In order to realize the stacking of the middle card 2 and the lower card 3, the second sliding mechanism is set to include a second slide rail pair 23 located on the back side of the middle card and a guide block 31 located on the front of the lower card, and the guide block 31 is provided In the track of the second slide rail pair 23.

In this embodiment, as shown in FIG. 1 , when the retracting device is in the unfolded state, the bottom of the upper card partially overlaps with the top of the middle card, and the bottom of the middle card partially overlaps with the top of the lower card. In this way, the volume of the shield after stacking is smaller. Of course, it is also possible to not have overlapping parts, and it can be realized by extending the corresponding pair of slide rails. However, in the stacked state, the pair of slide rails will take up space, but it does not affect the present invention. The original intention of realizing the rapid deployment of the shield is still within the protection scope of the present application.

As an optional embodiment, the retracting device also includes an angle adjustment driver 6 respectively hinged between the lower board 3 and the shield base 4, and a hinged joint arranged between the lower board 3 and the shield base 4. pieces. The hinge includes a first hinge seat 41 fixed on the shield base 4, a hinge tube (not shown) fixed on the back of the lower card, and a hinge rod passing through the first hinge seat 41 and the hinge tube. (not shown in the figure); the distance between the axis line of the hinged tube and the bottom surface of the lower card is less than the sum of the height of the first hinged seat 41 and the thickness of the shield base 4 .

The shield base 4 is provided with a second hinged seat 42, and the back side of the lower card is provided with a third hinged seat 31, the bottom end of the angle adjustment driver 6 is hinged with the second hinged seat 42, and the angle adjustment drive The top of the component 6 is hinged to the third hinge seat 31 . The angle adjustment driving member 6 is an electric push rod, a pneumatic push rod or a hydraulic push rod. The expansion and contraction of the push rod of the angle adjustment driver 6 can realize the adjustment of the angle of the shield, and can also make the shield completely overturned and stacked on the upper surface of the shield base 4 .

It should be emphasized that the translation drive mechanism 5 and the angle adjustment drive member 6 mentioned in the present invention act independently and have a mechanical self-locking function, which reduces the danger caused by the structure itself and improves safety.

In practice, the shield expansion device and the shield are arranged on the walking robot or the vehicle 7, and the automatic and rapid expansion of the shield reduces the manpower and time; As small a volume as possible, thereby improving the overall passability of the robot or vehicle 7 .

Each implementation in this specification is described in a progressive manner, each implementation focuses on the difference from other implementations, and the same and similar parts of each implementation can be referred to each other.

In this paper, specific examples have been used to illustrate the principle and implementation of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea; meanwhile, for those of ordinary skill in the art, according to the present invention Thoughts, there will be changes in specific implementation methods and application ranges. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims (10)

1. A shield retracting device, characterized in that, the retracting device is used to retract a shield comprising an upper card, a middle card and a lower card; the retracting device includes: A first sliding mechanism, the first sliding mechanism is arranged between the back of the upper card and the front of the middle card, and the upper card slides along the first sliding mechanism to realize the translation of the upper card on the front of the middle card; The second sliding mechanism, the second sliding mechanism is arranged between the back of the middle card and the front of the lower card, and the middle card slides along the second sliding mechanism to realize the translation of the middle card on the front of the lower card; A translational drive mechanism, the bottom end of the translational drive mechanism is arranged on the back of the lower card, the driving end of the translational drive mechanism is connected to the back of the middle card, and the telescopic movement of the translation drive mechanism drives the middle card to translate on the front of the lower card. 2. The shield unfolding device according to claim 1, wherein the first sliding mechanism comprises a first slide rail set arranged on the back of the upper card and a pulley block arranged on the top of the middle card, and the pulley block is located on the top of the middle card. Slide in the first slide rail pair. 3. The shield unfolding device according to claim 2, wherein the pulley block is driven to rotate by a rope, one end of the rope is connected to the upper card, the other end of the rope is connected to the lower card, and the middle card is opposite to the lower card. When the card translates, the rope moves around the pulley block, driving the pulley block to slide along the first slide rail pair. 4. The shield unfolding device according to claim 1, wherein the second sliding mechanism comprises a second slide rail pair arranged on the back of the middle card and a guide block arranged on the front of the lower card, and the guide block It is arranged in the track of the second sliding rail pair. 5. The shield retracting device according to claim 1, wherein when the retracting device is in the unfolded state, the bottom of the upper card partially overlaps with the top of the middle card, and the bottom of the middle card partially overlaps with the top of the lower card. 6. The shield deployment device according to claim 1, wherein the translational driving mechanism is an electric push rod, a pneumatic push rod or a hydraulic push rod. 7. The shield retracting device according to claim 1, characterized in that, the retracting device further comprises an angle adjustment driver hinged between the lower board and the shield base respectively, and an angle adjustment driver arranged between the lower board and the shield Hinge between bases. 8. The shield retracting device according to claim 7, wherein the hinge includes a first hinge seat fixed on the shield base, a hinge tube fixed on the back of the lower plate and a hinge tube that runs through the first hinge. The hinge rod of the seat and the hinged tube; the distance between the axis line of the hinged tube and the bottom surface of the lower card is less than the sum of the height of the first hinged seat and the thickness of the shield base. 9. The shield retracting device according to claim 7, wherein a second hinge seat is provided on the shield base, a third hinge seat is provided on the back of the lower card, and the bottom end of the angle adjustment driving member It is hinged with the second hinged seat, and the top end of the angle adjustment driver is hinged with the third hinged seat. 10 . The shield deployment device according to claim 7 , wherein the angle adjustment driving member is an electric push rod, a pneumatic push rod, or a hydraulic push rod. 11 .

Images