阅读说明：本技术 一种盾牌收展装置 (Shield folding and unfolding device ) 是由 卢秋红 秦磊 黄波君 王文纪 于 2021-07-28 设计创作，主要内容包括：本发明公开一种盾牌收展装置,该收展装置包括：第一滑动机构,第一滑动机构设于上牌背面与中牌正面之间,上牌沿第一滑动机构滑动实现上牌在中牌正面平移；第二滑动机构,第二滑动机构设于中牌背面与下牌正面之间,中牌沿第二滑动机构滑动实现中牌在下牌正面平移；平移驱动机构,平移驱动机构底端设于下牌背面,平移驱动机构的驱动端连接中牌背面,平移驱动机构的伸缩运动带动中牌在上牌正面平移。本发明实现了上牌、中牌和下牌的相对平移达到叠合与展开状态,快速且自动完成了盾牌的收起与展开,提高了效率,节省了人力和时间。同时提高危险环境中的人员安全性。并且盾牌折叠后缩小体积,减小了占用空间,方便存放与运输,还可增加整体通过性。(The invention discloses a shield folding and unfolding device, which comprises: the first sliding mechanism is arranged between the back surface of the mahjong piece and the front surface of the middle mahjong piece, and the mahjong piece slides along the first sliding mechanism to realize the translation of the mahjong piece on the front surface of the middle mahjong piece; the second sliding mechanism is arranged between the back surface of the middle card and the front surface 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 surface of the lower card; the bottom end of the translation driving mechanism is arranged on the back face of the lower mahjong tile, the driving end of the translation driving mechanism is connected with the back face of the middle mahjong tile, and the telescopic movement of the translation driving mechanism drives the middle mahjong tile to translate on the front face of the upper mahjong tile. The invention realizes the overlapping and unfolding state of the relative translation of the upper, middle and lower cards, quickly and automatically finishes the folding and unfolding of the shield, improves the efficiency and saves the labor and the time. While improving the safety of personnel in hazardous environments. And the volume is reduced after the shield is folded, the occupied space is reduced, the storage and the transportation are convenient, and the integral passing ability can be increased.)

1. A shield folding and unfolding device is characterized in that the folding and unfolding device is used for folding and unfolding a shield comprising an upper shield, a middle shield and a lower shield; the folding and unfolding device comprises:

the first sliding mechanism is arranged between the back face of the mahjong piece and the front face of the middle mahjong piece, and the mahjong piece slides along the first sliding mechanism to realize translation of the mahjong piece on the front face of the middle mahjong piece;

the second sliding mechanism is arranged between the back surface of the middle card and the front surface 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 surface of the lower card;

the mahjong tile feeding mechanism comprises a translation driving mechanism, the bottom end of the translation driving mechanism is arranged on the back face of a lower mahjong tile, the driving end of the translation driving mechanism is connected with the back face of the middle mahjong tile, and the telescopic movement of the translation driving mechanism drives the middle mahjong tile to translate on the front face of the upper mahjong tile.

2. The shield deployment device of claim 1, wherein the first sliding mechanism includes a first pair of rails disposed on a back side of the upper and a pulley block disposed on a top side of the middle, the pulley block sliding in the first pair of rails.

3. The shield deployment device of claim 2, wherein the pulley block is rotated 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 rope moves around the pulley block when the middle card is translated relative to the lower card, so as to drive the pulley block to slide along the first pair of slide rails.

4. The shield unfolding apparatus according to claim 1, wherein the second sliding mechanism comprises a second sliding rail set disposed on the back side of the middle card and a guide block disposed on the front side of the lower card, and the guide block is disposed in a track of the second sliding rail set.

5. The shield deployment device of claim 1, wherein the bottom of the top card partially coincides with the top of the middle card and the bottom of the middle card partially coincides with the top of the bottom card when the deployment device is in the deployed state.

6. The shield deployment device of claim 1, wherein the translational drive mechanism is an electric or pneumatic or hydraulic push rod.

7. The shield deployment device of claim 1, further comprising an angular adjustment drive member hinged between the lower shield and the shield base, and a hinge member disposed between the lower shield and the shield base.

8. The shield deployment device according to claim 7, wherein the hinge comprises a first hinge seat fixed to the shield base, a hinge tube fixed to the back of the lower shield, and a hinge rod extending through the first hinge seat and the hinge tube; the distance between the axis of the hinged pipe and the bottom surface of the lower shield is smaller than the sum of the height of the first hinged seat and the thickness of the shield base.

9. The shield unfolding apparatus according to claim 7, wherein a second cross-connecting seat is provided on the shield base, a third hinge seat is provided on the back of the lower shield, a bottom end of the angle adjusting driving member is hinged to the second cross-connecting seat, and a top end of the angle adjusting driving member is hinged to the third cross-connecting seat.

10. The shield deployment device of claim 7, wherein the angular adjustment drive is an electric or pneumatic or hydraulic push rod.

Technical Field

The invention relates to the technical field of shield attitude control, in particular to a shield folding and unfolding device suitable for a robot.

Background

In order to improve the overall maneuverability, passability and concealment of the shield mechanism, the occupied space of the shield needs to be reduced when needed. The existing shield is a fixed structure which can not be automatically folded and unfolded, and can only be installed and disassembled by external personnel, so that the shield can be erected and folded, and in a dangerous environment, safety problems can be brought to the personnel in the process of assembling and disassembling the shield. In addition, the existing shield is basically assembled and disassembled manually, and the workload of manual assembly and disassembly is acceptable for small shields, and the labor and time are consumed for large shields. Therefore, how to realize the automatic retraction and expansion of the shield becomes a problem to be solved urgently in the field.

Disclosure of Invention

The invention aims to provide a shield folding and unfolding device, which is used for realizing automatic folding and unfolding of shields, improving the folding and unfolding efficiency, reducing the labor and time, improving the personnel safety in a dangerous environment and increasing the integral passing ability after folding and unfolding.

In order to achieve the aim, the invention provides a shield folding and unfolding device, which is used for folding and unfolding a shield comprising an upper shield, a middle shield and a lower shield; the folding and unfolding device comprises:

the first sliding mechanism is arranged between the back face of the mahjong piece and the front face of the middle mahjong piece, and the mahjong piece slides along the first sliding mechanism to realize translation of the mahjong piece on the front face of the middle mahjong piece;

the second sliding mechanism is arranged between the back surface of the middle card and the front surface 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 surface of the lower card;

the mahjong tile feeding mechanism comprises a translation driving mechanism, the bottom end of the translation driving mechanism is arranged on the back face of a lower mahjong tile, the driving end of the translation driving mechanism is connected with the back face of the middle mahjong tile, and the telescopic movement of the translation driving mechanism drives the middle mahjong tile to translate on the front face of the upper mahjong tile.

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

Optionally, the second sliding mechanism includes a second sliding 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 a track of the second sliding rail pair.

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

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

Optionally, the folding and unfolding device further comprises an angle adjustment driving member hinged between the lower shield and the shield base respectively, and a hinge member arranged between the lower shield and the shield base.

Optionally, the articulated element includes a first articulated seat fixed on the shield base, an articulated tube fixed on the back of the lower shield, and an articulated rod penetrating through the first articulated seat and the articulated tube; the distance between the axis of the hinged pipe and the bottom surface of the lower shield is smaller than the sum of the height of the first hinged seat and the thickness of the shield base.

Optionally, a second cross-connecting seat is arranged on the shield base, a third hinge-connecting seat is arranged on the back of the lower shield, the bottom end of the angle adjusting driving piece is hinged to the second cross-connecting seat, and the top end of the angle adjusting driving piece is hinged to the third cross-connecting 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 embodiment provided by the invention, the invention discloses the following technical effects: the shield folding and unfolding device provided by the invention is used for folding and unfolding a shield comprising a top shield, a middle shield and a bottom shield, wherein a first sliding mechanism is respectively arranged between the back surface of the top shield and the front surface of the middle shield, a second sliding mechanism is arranged between the back surface of the middle shield and the front surface of the bottom shield, and the translation of the middle shield is driven to translate on the front surface of the top shield by utilizing the telescopic motion of the translation driving mechanism, so that the relative translation of the top shield, the middle shield and the bottom shield is realized to achieve a folding and unfolding state, the folding and unfolding of the shield are quickly and automatically completed, the efficiency is improved, and the manpower and the time are saved. And the volume is reduced after the shield is folded, the occupied space is reduced, the storage and the transportation are convenient, and the integral passing ability can be increased.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a shield deployment device in a deployed state according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a shield folding and unfolding apparatus according to an embodiment of the present invention in a folded state;

fig. 3 is a schematic structural diagram of a shield deployment and retraction device in a retracted state according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide a shield folding and unfolding device, which is used for realizing automatic folding and unfolding of shields, improving the folding and unfolding efficiency and reducing the labor and time.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

As shown in fig. 1-3, the shield unfolding apparatus provided by the present embodiment is used for unfolding a shield including an upper card 1, a middle card 2 and a lower card 3; this exhibition device includes:

the first sliding mechanism is arranged between the back face of the mahjong piece and the front face of the middle mahjong piece, and the mahjong piece 1 slides along the first sliding mechanism to realize the translation of the mahjong piece 1 on the front face of the middle mahjong piece;

the second sliding mechanism is arranged between the back surface of the middle card and the front surface 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 surface of the lower card;

translation actuating mechanism 5, the tablet back is down located to translation actuating mechanism 5 bottom, the drive end of translation actuating mechanism 5 is connected well tablet back, tablet 2 is in the positive translation of last tablet in the concertina movement drive of translation actuating mechanism 5. The translation driving mechanism 5 is an electric push rod, a pneumatic push rod or a hydraulic push rod, the top end of the push rod 51 is connected to the hinge frame 24 vertical to the back surface of the middle mahjong piece, and the bottom of the translation driving mechanism 5 is hinged to the back surface of the lower mahjong piece. The expansion and contraction of the push rod 51 can drive the middle playing card 2 to move up and down.

In the embodiment, the first sliding mechanisms are respectively arranged between the back face of the upper card and the front face of the middle card, the second sliding mechanisms are arranged between the back face of the middle card and the front face of the lower card, and the telescopic movement of the translation driving mechanism is utilized to drive the middle card to translate on the front face of the upper card, so that the relative translation of the upper card, the middle card and the lower card is realized to reach the superposition and unfolding states, the shield can be folded and unfolded quickly and automatically, the efficiency is improved, and the manpower and the time are saved.

In some embodiments, as shown in fig. 1, the first sliding mechanism includes a first sliding rail pair 11 provided on the back of the upper card and a pulley block 21 provided on the top of the middle card, and the pulley block 21 slides in the first sliding rail pair 11. In addition, in the present embodiment, the pulley block 21 is driven to rotate by the rope 22, one end of the rope 22 is connected to the upper plate 1, the other end of the rope 22 is connected to the lower plate 3, and when the middle plate 2 translates relative to the lower plate 3, the rope 22 moves around the pulley block 21 to drive the pulley block 21 to slide along the first sliding rail pair 11. Of course, the rotation mode of the mixing wheel set 21 can also be realized in other modes, such as electric rotation, and the mahjong tiles 1 can be translated along the front surface of the middle tile 2 as long as the rotation of the pulley set 21 can be realized.

In order to realize the superposition of the middle card 2 and the lower card 3, the second sliding mechanism is arranged to comprise a second sliding rail pair 23 arranged on the back surface of the middle card and a guide block 31 arranged on the front surface of the lower card, and the guide block 31 is arranged in a track of the second sliding rail pair 23.

In this embodiment, as shown in figure 1, the bottom of the top card and the top of the middle card partially coincide with each other when the folding and unfolding apparatus is in the unfolded state. Therefore, the size of the overlapped shield is smaller, the overlapped part can be avoided, the corresponding slide rail pair is prolonged, the shield can be folded, the slide rail pair occupies the space in the overlapped state, the original purpose of rapidly folding and unfolding the shield is not influenced, and the deformation is still in the protection range of the application.

As an alternative embodiment, the unfolding device further comprises an angle adjusting driving member 6 hinged between the lower shield 3 and the shield base 4, and a hinge member disposed between the lower shield 3 and the shield base 4. The articulated piece comprises a first articulated seat 41 fixed on the shield base 4, an articulated tube (not shown in the figure) fixed on the back of the lower shield and an articulated rod (not shown in the figure) penetrating through the first articulated seat 41 and the articulated tube; the distance between the axis of the hinged pipe and the bottom surface of the lower shield 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 cross-connecting seat 42, the back of the lower shield is provided with a third hinge-connecting seat 31, the bottom end of the angle adjusting driving piece 6 is hinged to the second cross-connecting seat 42, and the top end of the angle adjusting driving piece 6 is hinged to the third cross-connecting seat 31. The angle adjusting driving member 6 is an electric push rod, a pneumatic push rod or a hydraulic push rod. The telescopic extension of the push rod of the angle adjusting driving piece 6 can realize the angle adjustment of the shield, and the shield can be completely turned and overlapped on the upper surface of the shield base 4.

It should be emphasized that the present invention describes that the translation driving mechanism 5 and the angle adjustment driving member 6 are independent and have a mechanical self-locking function, so that the danger of the structure itself is reduced and the safety is improved.

In actual application, the shield folding and unfolding device and the shield are arranged on the walking robot or the vehicle 7, and the automatic and rapid folding and unfolding of the shield reduces manpower and time; in addition, the shield can be folded to the smallest possible volume by the folding and unfolding mode, so that the whole passability of the robot or the vehicle 7 is improved.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments can be referred to each other.

The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.