CN209974262U - Anti-falling mechanism of lifting device and lifting type robot - Google Patents
Anti-falling mechanism of lifting device and lifting type robot Download PDFInfo
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- CN209974262U CN209974262U CN201920806109.2U CN201920806109U CN209974262U CN 209974262 U CN209974262 U CN 209974262U CN 201920806109 U CN201920806109 U CN 201920806109U CN 209974262 U CN209974262 U CN 209974262U
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- base
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- supporting arm
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- 238000001514 detection method Methods 0.000 claims description 23
- 230000003139 buffering effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005303 weighing Methods 0.000 abstract description 2
- 206010057071 Rectal tenesmus Diseases 0.000 description 4
- 208000012271 tenesmus Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model belongs to the field of lifting, a lifting device's anti-falling mechanism and formula of lifting robot is related to. The anti-falling device comprises a base, a supporting arm and a clamping plate, wherein the supporting arm is rotatably connected in the base; the base is provided with a driving mechanism for triggering the supporting arm to rotate, and the clamping plate is used for clamping the supporting arm. The driving mechanism comprises a connecting seat in sliding connection with the base and a spring connected between the connecting seat and the supporting arm; the support arm rotates to be connected on the connecting seat, spring one end is connected with the connecting seat, and the other end links to each other with the one end that the support arm kept away from the connecting seat. Lifting type robot, including robot base member and lifting platform, still include above-mentioned arbitrary one prevent weighing down the mechanism, subassembly installation in lifting platform's side arm in base and the base, the cardboard is installed in the robot base member and the one side of lifting platform being connected, the base sets up with the cardboard relatively. The invention can effectively prevent the lifting device from falling down, thereby avoiding the loss.
Description
Technical Field
The invention belongs to the technical field of lifting, and relates to an anti-falling mechanism of a lifting device and a lifting robot.
Background
At present, most of existing forklifts and lifting robots adopt chains to drag to realize lifting, and in the using process, when improper use or chain aging and other problems occur, the chains can be broken, and the lifting device falls, so that unnecessary loss can be caused, and the potential safety hazard of personnel can be brought seriously.
Disclosure of Invention
The invention aims to provide an anti-falling mechanism for preventing a lifting device from falling and a lifting robot aiming at the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an anti-falling mechanism of a lifting device comprises a base, a supporting arm rotationally connected in the base and a clamping plate; the base is provided with a driving mechanism for triggering the supporting arm to rotate, and the clamping plate is used for clamping the supporting arm.
Further, the driving mechanism comprises a connecting seat in sliding connection with the base and a spring connected between the connecting seat and the supporting arm; the support arm rotates to be connected on the connecting seat, spring one end is connected with the connecting seat, and the other end links to each other with the one end that the support arm kept away from the connecting seat.
Furthermore, the connecting seat is connected with the base through a third pin, and a sliding groove for limiting the sliding stroke of the third pin is formed in the base.
Furthermore, a buffer device is arranged between the connecting seat and the base, one end of the buffer device is connected with the connecting seat, and the end, far away from the connecting seat, of the buffer device is connected with the end, far away from the supporting arm, of the base.
Further, when the supporting arm is in a retracting state, the tensile force of the spring is greater than or equal to 0N and smaller than the tensile force when the supporting arm is pulled away from the base.
Furthermore, one end of the supporting arm, which is far away from the connecting seat, is provided with a convex clamping block.
Furthermore, a clamping groove for clamping the clamping block is formed in the clamping plate.
Furthermore, the anti-falling mechanism further comprises a detection assembly for detecting the state of the anti-falling mechanism.
Furthermore, the detection assembly comprises a first detection device and a second detection device, the first detection device is installed on one side, close to the buffering device, of the connecting seat, the second detection device is installed on one side, close to the buffering device, of the base, and the first detection device and the second detection device are arranged oppositely.
The utility model provides a formula of lifting robot, includes the robot base body and lifts the platform, still includes above-mentioned arbitrary one prevent weighing down the mechanism, subassembly installation in the side arm of lifting the platform in base and the base, the cardboard is installed in the robot base body and is lifted one side that the platform is connected, the base sets up with the cardboard relatively.
The invention has the beneficial effects that:
when the lifting device falls, the anti-falling mechanism can realize stopping in time, clamp the clamping block in the clamping groove and prevent the lifting device from continuously falling; meanwhile, the invention is provided with the buffer device, which plays a role in buffering in the stopping process, and prevents the lifting device from being subjected to larger impact force so as to protect the lifting device.
Drawings
FIG. 1 is a schematic structural view of the fall arrest mechanism;
FIG. 2 is a schematic cross-sectional view of the fall arrest mechanism;
figure 3 is a schematic diagram of the card.
The labels in the figure are: the detection device comprises a base 1, a sliding groove 101, a buffer device 2, a connecting seat 3, a supporting arm 4, a fixture block 401, a spring 5, a first detection device 601, a second detection device 602, a clamping plate 7, a clamping groove 701, a first pin shaft 8, a second pin shaft 9, a connecting shaft 10 and a third pin shaft 11.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 and 3, in an embodiment, a fall preventing mechanism of a lifting device is provided, which comprises a base 1, a supporting arm 4 rotatably connected in the base 1, and a clamping plate 7; the base 1 is provided with a driving mechanism for triggering the supporting arm 4 to rotate, and the clamping plate 7 is used for clamping the supporting arm 4. When the lifting device is used, the base is used for being installed on a lifting module of the lifting device, the clamping plate 7 is installed on a fixed module of the lifting device, and the base 1 and internal components of the base are matched with the clamping plate 7 to prevent the lifting module from falling.
In the embodiment, the base 1 is in a cavity shape with an opening at one side, the support arm 4 is installed in the base 1, and one end of the support arm 4 can rotate outwards relative to the base 1; the driving mechanism is connected between the base 1 and the supporting arm 4 so as to drive the supporting arm 4 to rotate and swing out of the base 1 and be clamped on the clamping plate 7. One end of the support arm 4, which is far away from the base 1, is provided with a protruding clamping block 401, the clamping plate 7 is provided with a clamping groove 701 matched with the clamping block 401, and the clamping connection between the support arm 4 and the clamping plate 7 is realized under the matching of the clamping block 401 and the clamping groove 701.
Referring to fig. 1 and 2, in an embodiment, the driving mechanism includes a connecting base 3 slidably connected to the base 1, and a spring 5 connected between the connecting base 3 and the supporting arm 4; the support arm 4 is rotatably connected to the connecting seat 3, one end of the spring 5 is connected to the connecting seat 3, and the other end of the spring is connected to the end of the support arm 4 far away from the connecting seat 3. In an embodiment, one end of the connecting seat 3 is connected to the base 1 through a third pin 11, and the base 1 is provided with a sliding groove 101 for limiting a sliding stroke of the third pin 11. One end of the third pin 11 is fixedly connected with the connecting seat 3, and one end of the third pin 11, which is far away from the connecting seat 3, is connected to the base 1 in a sliding manner; the third pin 11 is connected with the sliding groove 101 in a matching manner, and the third pin 11 slides in the sliding groove 101, so that the connecting seat 3 slides relatively in the base 1.
In an embodiment, one end of the supporting arm 4 is connected to one end of the connecting seat 3 through a first pin 8, and the supporting arm 4 can rotate relative to the connecting seat 3, that is, the supporting arm 4 can swing in or out relative to the base 1. One end of the spring 5 is fixedly connected with the connecting seat 3, and one end of the spring 5, which is far away from the connecting seat 3, is connected with one end of the supporting arm 4, which is far away from the connecting seat 3; the spring 5 is connected with a connecting shaft 10 inserted in the supporting arm 4. When the supporting arm 4 is in a retracting state, the tension of the spring 5 is greater than or equal to 0N and smaller than the tension when the supporting arm 4 is pulled away from the base 1, so that the supporting arm 4 can be retracted in the base 1 without influencing the lifting of the lifting device; after the anti-falling mechanism is triggered, the spring can pull the supporting arm 4 to swing out towards the outer direction of the base 1, and therefore the supporting arm 4 can be clamped with the clamping plate 7.
In the embodiment, a buffer device 2 is arranged between the connecting seat 3 and the base 1, one end of the buffer device 2 is connected with the connecting seat 3, and one end of the buffer device 2 far away from the connecting seat 3 is connected with one end of the base 1 far away from the supporting arm 4; when the base 1 slides relative to the connecting seat 3, the buffer device 2 can play a buffer role between the base 1 and the connecting seat 3, so as to prevent the lifting device from suddenly stopping and further prevent the lifting device from being impacted. In the embodiment, the damping device 2 is a damping rod.
In other embodiments, the cushioning device 2 may be made of flexible material, such as a flexible column.
Referring to fig. 1 and 2, in an embodiment, the fall arrest mechanism further comprises a detection assembly for detecting the state of the fall arrest mechanism to determine whether the fall arrest structure is activated. The detection assembly comprises a first detection device 601 arranged on one side of the connecting seat 3 close to the buffering device and a second detection device 602 arranged on one side of the base 1 close to the buffering device 2, wherein the first detection device 601 and the second detection device 602 are arranged oppositely. In an embodiment, the first detecting device 601 is a laser emitter, the second detecting device 602 is a corresponding receiver, whether the base 1 and the connecting seat 3 slide relatively is determined by determining the change of the laser emitting length, when the change of the laser emitting length is detected, that is, the base 1 and the connecting seat 3 slide relatively, the supporting arm 4 swings out of the clamping connection and the clamping plate 7, and the anti-falling mechanism is started.
In other embodiments, the first detecting device 601 is an infrared generator, and the second detecting device 602 is a reflecting plate, and the distance between the two is determined to determine whether the fall protection mechanism is activated.
In other embodiments, the positions of the first detecting device 601 and the second detecting device 602 can be interchanged.
When the lifting device is used, when a chain of a lifting platform of the lifting device is suddenly broken and the lifting platform suddenly falls, the lifting platform falls in a mode close to a free falling body, in the process, the supporting arm 4 is in a weightless state, and the supporting arm 4 rotates under the tension of the spring 5; when one end of the supporting arm 4 provided with the clamping block 401 extends out of the base 1, the end can be clamped with the clamping groove 701 on the clamping plate 7; at this moment, support arm 4 and connecting seat 3 can stop falling downwards immediately, and base 1 can take place relative slip for connecting seat 3, and under buffer 2's effect, base 1 can stop the tenesmus gradually, and then makes the elevating platform stop the tenesmus gradually.
The embodiment of the invention also provides a lifting type robot, which comprises a robot base body, a lifting platform and the anti-falling mechanism, wherein components in the base 1 and the base 1 are arranged on side arms of the lifting platform, the clamping plate 7 is arranged on one side of the robot base body connected with the lifting platform, and the base 1 and the clamping plate 7 are oppositely arranged. From this, when lifting robot's the platform of lifting produced the tenesmus suddenly, support arm 4 pops out under actuating mechanism's effect to with the draw-in groove joint on the cardboard 7, and then prevent the platform of lifting tenesmus.
The above-described embodiments are only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a lifting device's anti-falling mechanism which characterized in that: comprises a base (1), a supporting arm (4) which is rotatably connected in the base (1), and a clamping plate (7); the base (1) is provided with a driving mechanism for triggering the support arm (4) to rotate, and the clamping plate (7) is used for clamping the support arm (4).
2. The fall arrest mechanism for a lifting device according to claim 1, wherein: the driving mechanism comprises a connecting seat (3) connected with the base (1) in a sliding manner and a spring (5) connected between the connecting seat (3) and the supporting arm (4); the support arm (4) is rotatably connected to the connecting seat (3), one end of the spring (5) is connected with the connecting seat (3), and the other end of the spring is connected with one end, far away from the connecting seat (3), of the support arm (4).
3. The fall arrest mechanism for a lifting device according to claim 2, wherein: the connecting seat (3) is connected with the base (1) through the third pin column (11), and a sliding groove (101) for limiting the sliding stroke of the third pin column (11) is formed in the base (1).
4. The fall arrest mechanism for a lifting device according to claim 3, wherein: the buffer device (2) is arranged between the connecting seat (3) and the base (1), one end of the buffer device (2) is connected with the connecting seat (3), and one end, far away from the connecting seat (3), of the buffer device (2) is connected with one end, far away from the supporting arm (4), of the base (1).
5. The fall arrest mechanism for a lifting device according to claim 2, wherein: when the supporting arm (4) is in a retracting state, the pulling force of the spring (5) is greater than or equal to 0N and smaller than the pulling force when the supporting arm (4) is pulled away from the base (1).
6. The fall arrest mechanism for a lifting device according to any one of claims 1, 2 or 5, wherein: one end of the supporting arm (4) far away from the connecting seat (3) is provided with a convex clamping block (401).
7. The fall arrest mechanism for a lifting device according to claim 1, wherein: and a clamping groove (701) for clamping the clamping block (401) is formed in the clamping plate (7).
8. The fall arrest mechanism for a lifting device according to claim 1, wherein: the anti-falling mechanism further comprises a detection assembly for detecting the state of the anti-falling mechanism.
9. The fall arrest mechanism for a lifting device according to claim 8, wherein: the detection assembly comprises a first detection device (601) arranged on one side, close to the buffering device, of the connecting seat (3) and a second detection device (602) arranged on one side, close to the buffering device (2), of the base (1), and the first detection device (601) and the second detection device (602) are arranged oppositely.
10. The utility model provides a formula of lifting robot, includes robot base member and lifting platform, its characterized in that: the anti-falling mechanism comprises the base (1) and components in the base (1), the base (1) and the components in the base (1) are arranged on side arms of a lifting platform, the clamping plate (7) is arranged on one side of a robot base body connected with the lifting platform, and the base (1) and the clamping plate (7) are arranged oppositely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920806109.2U CN209974262U (en) | 2019-05-29 | 2019-05-29 | Anti-falling mechanism of lifting device and lifting type robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920806109.2U CN209974262U (en) | 2019-05-29 | 2019-05-29 | Anti-falling mechanism of lifting device and lifting type robot |
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| Publication Number | Publication Date |
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| CN209974262U true CN209974262U (en) | 2020-01-21 |
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| CN201920806109.2U Active CN209974262U (en) | 2019-05-29 | 2019-05-29 | Anti-falling mechanism of lifting device and lifting type robot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110092331A (en) * | 2019-05-29 | 2019-08-06 | 中匠机器人(深圳)有限公司 | A kind of anti-fall mechanism and lifting type robot of lifting device |
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2019
- 2019-05-29 CN CN201920806109.2U patent/CN209974262U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110092331A (en) * | 2019-05-29 | 2019-08-06 | 中匠机器人(深圳)有限公司 | A kind of anti-fall mechanism and lifting type robot of lifting device |
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