CN214087537U - Liftable mechanical structure - Google Patents
Liftable mechanical structure Download PDFInfo
- Publication number
- CN214087537U CN214087537U CN202022262926.1U CN202022262926U CN214087537U CN 214087537 U CN214087537 U CN 214087537U CN 202022262926 U CN202022262926 U CN 202022262926U CN 214087537 U CN214087537 U CN 214087537U
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- China
- Prior art keywords
- connecting rod
- fixedly connected
- base
- working platform
- hydraulic lifting
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- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 230000002265 prevention Effects 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model discloses a liftable mechanical structure, which relates to the technical field of lifting and solves the problems of unstable lifting and potential safety hazard, and comprises a base, a working platform and a first hydraulic lifting rod, wherein the base is fixedly connected with the first hydraulic lifting rod which is fixedly connected with the working platform, the working platform is fixedly connected with a buffer mechanism, a falling prevention mechanism is arranged in the base, the first hydraulic lifting rod drives the working platform to lift and further drives the buffer mechanism to lift, the buffer mechanism enables the working platform to lift stably, when a hydraulic system has problems, the second hydraulic lifting rod loses the control of a connecting plate, the buffer mechanism slows down the falling speed of the working platform, at the moment, the connecting plate and a baffle fall under the action of gravity, a movable block is blocked by the baffle to slide, the movable block blocks the buffer mechanism to move by a second mounting seat and further stops the working platform to fall, has the advantages of safety and stable lifting.
Description
Technical Field
The utility model relates to a lift technical field especially relates to a liftable mechanical structure.
Background
The lifting mechanism has wide application in production and life, and can be used for meeting the requirements of different occasions, the types of the lifting mechanism are various, at present, a plurality of lifting mechanisms realize the lifting of the device by utilizing hydraulic transmission, the hydraulic transmission has the advantages of light weight, small volume, small movement inertia, high reaction speed and convenient operation and control, mineral oil is generally adopted as a working medium, the relative movement surface can be automatically lubricated, the service life is long, the linear movement is easy to realize, and the automation of the machine is easy to realize.
However, when the whole lifting mechanism is controlled by the hydraulic rod and the hydraulic oil cylinder, when the lifting platform works, if the hydraulic rod and the hydraulic oil cylinder are in a problem and can cause falling, destructive disasters can be brought to production and life.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above-mentioned defect, provide a mechanical structure of liftable to solve the problem unstable and have the potential safety hazard of going up and down.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a liftable mechanical structure, includes base, work platform and first hydraulic lifting rod, the first hydraulic lifting rod of base fixed connection, first hydraulic lifting rod fixed connection work platform, work platform fixed connection buffer gear, buffer gear includes head rod, second connecting rod and spring, the head rod rotates and connects the second connecting rod, the equal fixed connection spring of head rod and second connecting rod, be equipped with in the base and prevent falling the mechanism, it includes movable block, movable plate and baffle to prevent falling the mechanism, movable block sliding connection base, a plurality of movable plates of movable block top fixed connection, the movable block top is equipped with the baffle.
As a further scheme of the utility model, first hydraulic lifting rod fixed connection bottom plate, bottom plate fixed connection guardrail, guardrail fixed connection is used for preventing that high altitude junk from pounding the anti-falling thing top of hindering the staff, the bottom plate bottom is equipped with first mount pad, first mount pad rotates respectively through the pivot and connects head rod and second connecting rod.
As a further scheme of the utility model, the mechanism of preventing falling still includes second hydraulic lifting rod and connecting plate, is equipped with the installation cavity on the base, be equipped with the mechanism of preventing falling in the installation cavity, movable block sliding connection base, a plurality of movable plates of movable block top fixed connection, second hydraulic lifting rod fixed connection base, second hydraulic lifting rod lower extreme fixed connection connecting plate, a plurality of baffles of connecting plate fixed connection, be equipped with the second mount pad on the movable block.
As a further scheme of the utility model, the second mount pad rotates through the pivot respectively and connects head rod and second connecting rod one end, the head rod middle part is rotated through the pivot and is connected second connecting rod middle part, the other end of head rod rotates the one end of connecting another second connecting rod through the pivot, is equipped with the spring between two adjacent head rods, is equipped with the spring between two adjacent second connecting rods, spring fixed connection head rod and second connecting rod.
As a further scheme of the utility model, buffer gear quantity is 2 and symmetric distribution in work platform bottom, prevent that the mechanism quantity of falling is 4 and evenly distributed in the base.
To sum up, compared with the prior art, the utility model has the following beneficial effects:
starting a first hydraulic lifting rod, wherein the first hydraulic lifting rod drives a working platform to lift and further drives a buffer mechanism to lift, the buffer mechanism has a certain buffer effect, so that the working platform is lifted stably, the first hydraulic lifting rod and a hydraulic system in the anti-falling mechanism are the same hydraulic system, when the hydraulic system of the first hydraulic lifting rod fails, the hydraulic system in the anti-falling mechanism also fails, the second hydraulic lifting rod loses control over a connecting plate, the buffer mechanism can slow down the descending speed of the working platform through the buffer of a spring to prevent the working platform from weightlessness, the descending of the working platform can cause the buffer mechanism to drive a moving block to slide in a base through a second mounting seat, the connecting plate and a baffle plate fall under the action of gravity, one surface of the baffle plate is abutted against the moving block, and the other surface of the baffle plate is abutted against the base to prevent the moving block from sliding, the moving block blocks the buffer mechanism to move through the second mounting seat, so that the working platform is stopped to descend, the falling is prevented, and the safety and the stable lifting are realized.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of a liftable mechanical structure in the utility model.
Fig. 2 is an enlarged schematic view of the structure at a in the utility model.
Fig. 3 is a schematic structural view of the middle buffer mechanism of the utility model.
Reference numerals: the device comprises a base 1, a mounting cavity 101, a bottom plate 2, a guardrail 3, an anti-falling object top 4, a first hydraulic lifting rod 5, a first mounting seat 6, a first connecting rod 7, a second connecting rod 8, a rotating shaft 9, a spring 10, a second mounting seat 11, a moving block 12, a moving plate 13, a second hydraulic lifting rod 14, a connecting plate 15 and a baffle 16.
Detailed Description
The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Example 1
Shown by fig. 1-3, a liftable mechanical structure, including base 1, work platform and first hydraulic lifting rod 5, work platform includes bottom plate 2, guardrail 3 and falling object roof 4, the first hydraulic lifting rod 5 of 1 fixed connection of base, first hydraulic lifting rod 5 fixed connection bottom plate 2, 2 fixed connection guardrails 3 of bottom plate, 3 fixed connection of guardrail are used for preventing that the falling object in high altitude from smashing staff's falling object roof 4, 2 bottoms of bottom plate are equipped with first mount pad 6, first mount pad 6 rotates respectively through pivot 9 and connects head rod 7 and second connecting rod 8.
And starting the first hydraulic lifting rod 5, wherein the first hydraulic lifting rod 5 drives the working platform to lift.
Example 2
Referring to fig. 1 to 3, a liftable mechanical structure comprises a buffering mechanism and a falling prevention mechanism, the buffering mechanism comprises a first connecting rod 7, a second connecting rod 8, a rotating shaft 9 and a spring 10, the falling prevention mechanism comprises a moving block 12, a moving plate 13, a second hydraulic lifting rod 14, a connecting plate 15 and a baffle 16, an installation cavity 101 is arranged on a base 1, the falling prevention mechanism is arranged in the installation cavity 101, the moving block 12 is slidably connected with the base 1, the moving block 12 is fixedly connected with the moving plate 13 above the moving block 12, the second hydraulic lifting rod 14 is fixedly connected with the base 1, the lower end of the second hydraulic lifting rod 14 is fixedly connected with the connecting plate 15, the connecting plate 15 is fixedly connected with the baffle 16, the moving block 12 is provided with a second installation seat 11, the second installation seat 11 is respectively rotatably connected with one end of the first connecting rod 7 and one end of the second connecting rod 8 through the rotating shaft 9, the middle part of the first connecting rod 7 is rotatably connected with the middle part of the second connecting rod 8 through a rotating shaft 9, the other end of the first connecting rod 7 is rotatably connected with one end of the other second connecting rod 8 through the rotating shaft 9, a spring 10 is arranged between the two adjacent first connecting rods 7, and similarly, the spring 10 is arranged between the two adjacent second connecting rods 8, and the spring 10 is fixedly connected with the first connecting rod 7 and the second connecting rod 8.
Preferably, in this embodiment, the number of the buffer mechanisms is 2, and the buffer mechanisms are symmetrically distributed at the bottom of the working platform.
Preferably, in the present embodiment, the number of the fall prevention mechanisms is 4 and the fall prevention mechanisms are uniformly distributed in the base 1.
The buffer mechanism can slow down the descending speed of the working platform through the buffering of the spring 10, so that the working platform is prevented from weightlessness, the descending of the working platform can lead the buffer mechanism to drive the moving block 12 to slide in the base 1 through the second mounting seat 11, at the moment, the connecting plate 15 and the baffle 16 fall under the action of gravity, one surface of the baffle 16 is abutted against the moving plate 13, the other surface of the baffle is abutted against the base 1 to obstruct the moving block 12 to slide, and the moving block 12 is obstructed by the second mounting seat 11 to move the buffer mechanism so as to stop the descending of the working platform, so that the falling is prevented.
The rest of the structure of this example is the same as example 1.
To sum up, the utility model discloses a theory of operation is:
the first hydraulic lifting rod 5 is started, the first hydraulic lifting rod 5 drives the working platform to lift and further drives the buffer mechanism to lift, the buffer mechanism has a certain buffer effect, so that the working platform can lift stably, the first hydraulic lifting rod 5 and a hydraulic system in the anti-falling mechanism are the same hydraulic system, when the hydraulic system of the first hydraulic lifting rod 5 fails, the hydraulic system in the anti-falling mechanism also fails, the second hydraulic lifting rod 14 loses control over the connecting plate 15, the buffer mechanism can slow down the descending speed of the working platform through the buffer of the spring 10 to prevent the working platform from weightlessness, the buffer mechanism can drive the moving block 12 to slide in the base 1 through the second mounting seat 11 when the working platform descends, the connecting plate 15 and the baffle moving plate 16 fall under the action of gravity, and one side of the baffle plate 16 is abutted against the moving block 13, the other side of the base abuts against the base 1 to block the moving block 12 from sliding, and the moving block 12 blocks the buffer mechanism from moving through the second mounting seat 11 to stop the working platform from descending, so that the working platform is prevented from falling.
It needs to be particularly noted that hydraulic transmission, buffer gear and the mechanism of preventing falling are the application of prior art in this application, and it is the innovation point of this application to use hydraulic transmission, buffer gear and the mechanism of preventing falling combination design to a liftable mechanical structure, and it has effectively solved the problem of lift unstability and existence potential safety hazard.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A liftable mechanical structure comprises a base (1), a working platform and a first hydraulic lifting rod (5), wherein the base (1) is fixedly connected with the first hydraulic lifting rod (5), the first hydraulic lifting rod (5) is fixedly connected with the working platform, the liftable mechanical structure is characterized in that the working platform is fixedly connected with a buffer mechanism, the buffer mechanism comprises a first connecting rod (7), a second connecting rod (8) and a spring (10), the first connecting rod (7) is rotatably connected with the second connecting rod (8), the first connecting rod (7) and the second connecting rod (8) are both fixedly connected with the spring (10), a falling prevention mechanism is arranged in the base (1) and comprises a movable block (12), a movable plate (13) and a baffle (16), the movable block (12) is slidably connected with the base (1), and a plurality of movable plates (13) are fixedly connected above the movable block (12), a baffle plate (16) is arranged above the moving block (12).
2. The liftable mechanical structure of claim 1, wherein the first hydraulic lifting rod (5) is fixedly connected with a bottom plate (2), the bottom plate (2) is fixedly connected with a guardrail (3), the guardrail (3) is fixedly connected with an anti-falling object top (4) for preventing a worker from being injured by falling objects at high altitude, a first mounting seat (6) is arranged at the bottom of the bottom plate (2), and the first mounting seat (6) is rotatably connected with a first connecting rod (7) and a second connecting rod (8) through a rotating shaft (9) respectively.
3. The liftable mechanical structure according to claim 1, wherein the anti-falling mechanism further comprises a second hydraulic lifting rod (14) and a connecting plate (15), a mounting cavity (101) is formed in the base (1), the anti-falling mechanism is arranged in the mounting cavity (101), the moving block (12) is slidably connected with the base (1), a plurality of moving plates (13) are fixedly connected above the moving block (12), the second hydraulic lifting rod (14) is fixedly connected with the base (1), the lower end of the second hydraulic lifting rod (14) is fixedly connected with the connecting plate (15), the connecting plate (15) is fixedly connected with a plurality of baffles (16), and a second mounting seat (11) is formed in the moving block (12).
4. The liftable mechanical structure of claim 3, wherein the second mounting seat (11) is rotatably connected with one end of a first connecting rod (7) and one end of a second connecting rod (8) through a rotating shaft (9), the middle of the first connecting rod (7) is rotatably connected with the middle of the second connecting rod (8) through the rotating shaft (9), the other end of the first connecting rod (7) is rotatably connected with one end of another second connecting rod (8) through the rotating shaft (9), a spring (10) is arranged between two adjacent first connecting rods (7), a spring (10) is arranged between two adjacent second connecting rods (8), and the spring (10) is fixedly connected with the first connecting rod (7) and the second connecting rod (8).
5. A liftable mechanical structure according to claim 4, wherein the number of the buffer mechanisms is 2 and the buffer mechanisms are symmetrically distributed at the bottom of the working platform, and the number of the anti-falling mechanisms is 4 and the anti-falling mechanisms are uniformly distributed in the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022262926.1U CN214087537U (en) | 2020-10-13 | 2020-10-13 | Liftable mechanical structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022262926.1U CN214087537U (en) | 2020-10-13 | 2020-10-13 | Liftable mechanical structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214087537U true CN214087537U (en) | 2021-08-31 |
Family
ID=77443717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022262926.1U Expired - Fee Related CN214087537U (en) | 2020-10-13 | 2020-10-13 | Liftable mechanical structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214087537U (en) |
-
2020
- 2020-10-13 CN CN202022262926.1U patent/CN214087537U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210831 |