CN113446904B - Shield folding and unfolding device - Google Patents
Shield folding and unfolding device Download PDFInfo
- Publication number
- CN113446904B CN113446904B CN202110854124.6A CN202110854124A CN113446904B CN 113446904 B CN113446904 B CN 113446904B CN 202110854124 A CN202110854124 A CN 202110854124A CN 113446904 B CN113446904 B CN 113446904B
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- shield
- card
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- folding
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- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 231100001261 hazardous Toxicity 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/06—Shields
- F41H5/08—Shields for personal use, i.e. hand held shields
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
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 folding 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.
Description
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 card feeding mechanism comprises a translation driving mechanism, the bottom end of the translation driving mechanism is arranged on the back face of a lower card, the driving end of the translation driving mechanism is connected with the back face of the middle card, and the telescopic movement of the translation driving mechanism drives the middle card to translate on the front face of the lower card.
Optionally, the first sliding mechanism includes a first sliding rail pair arranged on the back of the mahjong tile and a pulley block arranged at the top of the middle mahjong tile, 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 respectively hinged between the lower shield and the shield base, 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 hinge seat is arranged on the shield base, a third hinge seat is arranged on the back of the lower shield, the bottom end of the angle adjustment driving piece is hinged to the second hinge seat, and the top end of the angle adjustment driving piece 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 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 telescopic motion of the translation driving mechanism is utilized to drive the middle shield to translate on the front surface of the bottom shield, 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 size of the shield is reduced after the shield is folded, the occupied space is reduced, the shield is convenient to store and transport, and the integral trafficability characteristic 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 retracting device 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to 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;
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 lower 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 hinge seat 42, the back of the lower shield is provided with a third hinge seat 31, the bottom end of the angle adjusting driving piece 6 is hinged to the second hinge seat 42, and the top end of the angle adjusting driving piece 6 is hinged to the third hinge 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.
Claims (10)
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 card feeding mechanism comprises a translation driving mechanism, the bottom end of the translation driving mechanism is arranged on the back face of a lower card, the driving end of the translation driving mechanism is connected with the back face of the middle card, and the telescopic movement of the translation driving mechanism drives the middle card to translate on the front face of the lower card.
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 collapsing mechanism of claim 1, further comprising an angle-adjustable driving 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 collapsing device according to claim 7, wherein the hinge assembly comprises a first hinge seat fixed on the shield base, a hinge tube fixed on the back of the lower shield, and a hinge rod passing 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 hinge seat is provided on the shield base, a third hinge seat is provided on the back of the lower shield, the bottom end of the angle adjusting driving member is hinged to the second hinge seat, and the top end of the angle adjusting driving member is hinged to the third hinge seat.
10. The shield deployment device of claim 7, wherein the angular adjustment drive is an electric or pneumatic or hydraulic push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110854124.6A CN113446904B (en) | 2021-07-28 | 2021-07-28 | Shield folding and unfolding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110854124.6A CN113446904B (en) | 2021-07-28 | 2021-07-28 | Shield folding and unfolding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113446904A CN113446904A (en) | 2021-09-28 |
| CN113446904B true CN113446904B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110854124.6A Active CN113446904B (en) | 2021-07-28 | 2021-07-28 | Shield folding and unfolding device |
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| CN (1) | CN113446904B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087925A (en) * | 2021-10-18 | 2022-02-25 | 上海合时智能科技有限公司 | Shield steering mechanism suitable for robot |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112809A (en) * | 2013-02-22 | 2013-05-22 | 江苏东迈重工机械有限公司 | Lift truck with aluminum alloy masts |
| CN205262298U (en) * | 2015-12-28 | 2016-05-25 | 中国人民武装警察部队警官学院 | Multi -functional portable riot shield |
| CN106645233B (en) * | 2016-12-14 | 2018-02-23 | 山东电力建设第一工程公司 | A kind of x-ray flaw detector lifting support |
| CN111678384A (en) * | 2020-06-05 | 2020-09-18 | 军事科学院系统工程研究院军需工程技术研究所 | Unfolding and folding device, bulletproof panel device, control method and unmanned vehicle |
| CN213649308U (en) * | 2020-11-16 | 2021-07-09 | 上海宜亮电子科技有限公司 | Telescopic structure and top cap moving mechanism |
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| CN113446904A (en) | 2021-09-28 |
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Application publication date: 20210928 Assignee: SHANGHAI HESHI SECURITY TECHNOLOGY CO.,LTD. Assignor: SHANGHAI HRSTEK Co.,Ltd. Contract record no.: X2024310000045 Denomination of invention: A shield retractable device Granted publication date: 20230321 License type: Common License Record date: 20240428 |
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