CN211923426U - Self-locking lifting working platform - Google Patents
Self-locking lifting working platform Download PDFInfo
- Publication number
- CN211923426U CN211923426U CN201921248945.XU CN201921248945U CN211923426U CN 211923426 U CN211923426 U CN 211923426U CN 201921248945 U CN201921248945 U CN 201921248945U CN 211923426 U CN211923426 U CN 211923426U
- Authority
- CN
- China
- Prior art keywords
- self
- bottom plate
- block
- top plate
- locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Ladders (AREA)
Abstract
The utility model provides a self-locking lift work platform, contains vaulting pole structure, bottom plate, roof, and vaulting pole structural connection is between roof and bottom plate, and the bottom of this vaulting pole is passed through self-locking mechanism and is connected on the track of bottom plate, self-locking mechanism contain the casing, hit piece, fixture block and gyro wheel, the both sides of bottom plate be equipped with the track, be equipped with the stopper on the track, the middle part of stopper is equipped with the spacing groove, the front side of stopper and the front side of spacing groove all have the inclined plane, this inclined plane matches with the inclined plane of fixture block lower extreme, roof upper surface be a platform. When the self-locking mechanism is used, the top plate is lifted upwards through the lifting handle on the top plate, when a fixture block of the self-locking mechanism runs to the position of the limiting groove of the limiting block, the fixture block is limited and stopped by the limiting groove, and at the moment, the height of the top plate is locked by the support rod structure to form a working platform; when the work is finished, the top plate descends to the lowest position, and the top plate and the bottom plate are buckled into a box shape.
Description
Technical Field
The application relates to the field of lifting platforms of mechanical technology, in particular to a self-locking lifting working platform structure.
Background
In the manufacturing industry, lift work platforms are used in large numbers. Especially in large-scale assembly manufacturing industry, such as aerospace, boats and ships, large-scale weaponry manufacturing, etc., over-and-under type work platform and work ladder are widely used, at present most of this kind of over-and-under type work platform and work ladder adopt electric hydraulic drive, these elevating gear though bearing capacity is strong, but it has the structure complicacy, bulky, the lift removal slowly, such disadvantages as maintenance cost height, still can receive the restriction of use place simultaneously, like motor drive just need the job site have power supply, this will bring certain trouble to the use of some external fields.
Disclosure of Invention
The self-locking lifting working platform has the advantages of being simple in structure, convenient to use and maintain, low in manufacturing cost, high in universality and the like.
A self-locking lifting working platform comprises a stay bar structure, a bottom plate and a top plate, wherein the stay bar structure is connected between the top plate and the bottom plate, and the self-locking lifting working platform is characterized in that the stay bar structure comprises two groups of symmetrical shear type stay bars, the two groups of shear type stay bars are connected by a transverse connecting rod, each group of shear type stay bars comprises two shear type hinged stay bars, the top of one stay bar is hinged to the lower surface of the top plate, the bottom of the stay bar is connected to a rail of the bottom plate through a self-locking mechanism, the bottom of the other stay bar is hinged to the end head of the rail of the bottom plate, the top of the stay bar is movably connected to the lower surface of the top plate, the self-locking mechanism comprises a shell, a collision block, a clamping block, a compression spring and a roller, the clamping block is vertical, the middle of the collision block is provided with a horizontal through hole, the, the collision block is embedded in a through hole in the middle of the clamping block and is in clearance connection, the collision block, the clamping block and the roller are all restricted on the shell, the front end of the collision block extends out of the front end of the shell, the rear end of the collision block extends out of the rear end of the shell, the lower end of the clamping block extends out of the lower end of the shell, the upper end of the clamping block is embedded in the shell through a compression spring, the roller is connected to the shell through a shaft, the two sides of the bottom plate are provided with rails, the rails are provided with limiting blocks, the middle parts of the limiting blocks are provided with limiting grooves, the front sides of the limiting blocks and the front sides of the limiting grooves are provided with inclined planes, the inclined.
The limiting blocks can be a front limiting block and a rear limiting block, and a limiting groove is arranged between the front limiting block and the rear limiting block.
When the self-locking lifting working platform is in a non-working state, the top plate and the bottom plate are buckled into a box body, and the stay bar structures are overlapped and pressed in the box body. When the lifting mechanism is used, the top plate is lifted upwards through the lifting handle on the top plate, the top plate drives the self-locking mechanism to move on the track of the bottom plate through the shear type support rod, the shear type support rod supports the top plate to rise, when a clamping block of the self-locking mechanism runs to the position of the limiting groove of the limiting block, the clamping block is limited and stopped by the limiting groove, and at the moment, the height of the top plate is locked by the support rod structure to form a working platform; when the work is finished, the top plate is lifted upwards through the lifting handle, the restriction of the limiting groove on the clamping block is removed, the self-locking mechanism continues to move until a collision block of the self-locking mechanism collides with the top block, the collision block can rapidly move rightwards under the action of the collision force, the clamping block rises along the inclined plane on the front side of the special-shaped groove of the collision block, the collision block lifts the clamping block up to compress the compression spring, the lifting handle is loosened, the top plate slowly falls under the action of self gravity, when the top plate completely falls behind, the rear end of the collision block collides with the inner side of the surrounding frame of the bottom plate, the clamping block returns to the special-shaped groove of the collision block under the action of the compression spring, the top plate falls to the lowest position, and the top plate.
The beneficial effect of this application lies in: 1) the hydraulic and electric transmission device has the advantages of simple structure, no complicated hydraulic and electric transmission, simplicity in use, convenience in maintenance, high universality and the like. 2) When the lifting handle is used, the whole top plate can be easily pulled up through the lifting handle arranged on the top plate, and the air rod connected to the bottom plate and the connecting rod can provide assistance and buffering functions when the top plate is lifted and placed. 3) After the use, the whole working platform can be conveniently stored and buckled into a box body, so that the space is saved. 4) In addition, the top plate has good universal expansion functions, the top plate is directly used as a working platform, or a working ladder is arranged on the top plate to realize high-altitude operation, or moving wheels are arranged on the lower side of the bottom plate to enable the whole platform to move quickly, so that the high-altitude operation is realized quickly and stably.
The present application is described in further detail below with reference to the accompanying drawings of embodiments.
Drawings
FIG. 1 is a structural view of a self-locking platform.
Fig. 2 is a partial bottom view of the self-locking platform.
FIG. 3 is a top partial view of the self-locking platform.
FIG. 4 is a partial view of the scissor-stay and roller connection.
Fig. 5 is a layout diagram of the bump block and the limiting block on the rail of the bottom plate.
Fig. 6 is a schematic structural view of a housing of the self-locking mechanism.
Fig. 7 is a schematic view of a striker structure of the self-locking mechanism.
Fig. 8 is a schematic diagram of a latch structure of the self-locking mechanism.
Fig. 9 is a schematic view of the relationship between the self-locking structure and the stopper.
Fig. 10 is a schematic view of the working principle of the self-locking structure.
The numbering in the figures illustrates: the device comprises a lifting handle 1, a top plate 2, a top plate 3, a surrounding frame 4, a buffer block 4, a bottom plate 5, a top block 6, a self-locking mechanism 7, a stay bar 8, an air rod 9, a bottom plate 10, a surrounding frame 11, a connecting rod 12, a track 12, a roller 13, an upper sliding groove 14, a shell 15, a collision block 16, a limiting block 17, a compression spring 18, a clamping block 19, a special-shaped groove 20, a through hole 21 and a limiting groove 22.
Detailed Description
Referring to the attached drawings, the self-locking lifting working platform comprises a stay bar structure, a bottom plate 5 and a top plate 2, wherein the stay bar structure is connected between the top plate and the bottom plate, and is characterized in that the stay bar structure comprises two symmetrical groups of shear type stay bars, the two groups of shear type stay bars are connected through a transverse connecting rod 11, each group of shear type stay bars comprises two shear type hinged stay bars 8, the top of one stay bar 8 is hinged to the lower surface of the top plate 2, the bottom of the stay bar 8 is connected to a rail 12 of the bottom plate 5 through a self-locking mechanism 7, the bottom of the other stay bar 8 is hinged to the end of the rail 12 on the bottom plate 5, the top of the stay bar 8 is movably connected to the lower surface of the top plate 2, the self-locking mechanism 7 comprises a shell 15, a bump 16, a fixture block 19, a compression spring 18 and a roller 13, the fixture block 19 is vertical, the middle part of, the upper side of the middle part of the special-shaped groove 20 is provided with a special-shaped groove 20, the front end of the special-shaped groove 20 is an inclined surface, the rear end of the special-shaped groove 20 is a step vertical surface, the striking block 16 is embedded in a through hole 21 in the middle of the clamping block 19 and is in clearance connection, the striking block 16, the clamping block 19, the compression spring 18 and the roller 13 are all restricted on the shell 15, the front end of the striking block 16 extends out of the front end of the shell 15, the rear end of the striking block 16 extends out of the rear end of the shell 15, the lower end of the clamping block 19 extends out of the lower end of the shell 15, the upper end of the clamping block 19 is embedded, the two sides of the bottom plate 5 are provided with rails 12, the rails 12 are provided with limit blocks 17, the middle parts of the limit blocks 17 are provided with limit grooves 22, the rear side of the limit blocks 17 and the front side of the limit grooves 22 are both provided with inclined planes, the inclined plane is matched with the inclined plane at the lower end of the clamping block 19, and the upper surface of the top plate 2 is a platform.
In implementation, the limiting block 17 may be an integral structure with a limiting groove 22 in the middle, and for the convenience of the manufacturing process, the integral structure may also be made into a front limiting block and a rear limiting block, and the limiting groove 22 is formed in the gap between the two limiting blocks.
On the tracks on the two sides of the bottom plate, the front side of the limiting block 17 is preferably provided with a top block 6, the top block 6 is higher than the limiting block 17, and the height of the top block 6 is matched with the front end of the collision block 16.
For the convenience of operation, the upper surface of the top plate 2 is provided with a lifting handle 1, the periphery of the top plate 2 is provided with a top plate surrounding frame 3, and the periphery of the bottom plate 5 is provided with a corresponding bottom plate surrounding frame 10, so that the top plate 2 and the bottom plate 5 can be buckled into a box body. In practice, the bottom plate 5 is preferably provided with a buffer block 4 corresponding to the top plate 2, so that the top plate 2 and the bottom plate 5 can play a buffer role when buckled.
For better cushioning, in practice, two air rods 9 are respectively connected between the connecting rod and the bottom plate of the strut structure, and the two air rods 9 are parallel to each other.
When the self-locking lifting working platform is not used in a non-working state, the top plate 2 and the bottom plate 5 are buckled into a box body, the support rod structure is overlapped in the box body, when the self-locking lifting working platform is used, the top plate 2 is lifted upwards through the lifting handle 1 on the top plate 2, the top plate 2 drives the self-locking mechanism 7 to move on the track 12 of the bottom plate 5 through the support rods 8 connected in a shearing mode, the support rods 8 connected in the shearing mode support the top plate 2 to be lifted, when the clamping blocks 19 of the self-locking mechanism 7 move to the positions of the limiting grooves 22 of the limiting blocks 17, the clamping blocks 19 are limited and stopped by the limiting grooves 22, and at the moment, the height of the; when the work is finished, the top plate 2 is lifted upwards through the lifting handle 1, the restriction of the limiting groove 22 on the clamping block 19 is removed, the self-locking mechanism continues to move until the front end of the collision block 16 of the self-locking mechanism collides with the top block 6, the collision block 16 can rapidly move backwards under the action of the collision force, the clamping block 19 rises along the inclined plane on the front side of the special-shaped groove 20 of the collision block 16, the clamping block 19 is lifted up by the collision block 16, the lower end of the clamping block 19 cannot be restricted and blocked by the limiting block 17 or the limiting groove 22, the compression spring 18 is compressed, at the moment, the lifting handle 1 is loosened, the top plate 2 slowly falls under the action of self gravity, when the top plate 2 completely falls down, the rear end of the bump block 16 will collide with the inner side of the bottom plate enclosure frame 10, so that the block 19 returns to the irregular groove 20 of the bump block 16 under the action of the compression spring 18, the top plate 2 falls to the lowest position, and the top plate 2 and the bottom plate 5 are buckled into a box shape.
The self-locking lifting working platform has a good universal extension function, the top plate 2 can be directly used as a working platform, or a working ladder is installed on the top plate 2, high-altitude operation is realized, or wheels are installed and moved on the lower side of the bottom plate 5, so that the whole platform can be quickly moved, and quick and stable high-altitude operation is realized.
Claims (6)
1. A self-locking lifting working platform comprises a stay bar structure, a bottom plate and a top plate, wherein the stay bar structure is connected between the top plate and the bottom plate, and the self-locking lifting working platform is characterized in that the stay bar structure comprises two groups of symmetrical shear type stay bars, the two groups of shear type stay bars are connected by a transverse connecting rod, each group of shear type stay bars comprises two shear type hinged stay bars, the top of one stay bar is hinged to the lower surface of the top plate, the bottom of the stay bar is connected to a rail of the bottom plate through a self-locking mechanism, the bottom of the other stay bar is hinged to the end head of the rail of the bottom plate, the top of the stay bar is movably connected to the lower surface of the top plate, the self-locking mechanism comprises a shell, a collision block, a clamping block, a compression spring and a roller, the clamping block is vertical, the middle of the collision block is provided with a horizontal through hole, the upside of, the collision block is embedded in a through hole in the middle of the clamping block and is in clearance connection, the collision block, the clamping block and the roller are all restricted on the shell, the front end of the collision block extends out of the front end of the shell, the rear end of the collision block extends out of the rear end of the shell, the lower end of the clamping block extends out of the lower end of the shell, the upper end of the clamping block is embedded in the shell through a compression spring, the roller is connected to the shell through a shaft, the two sides of the bottom plate are provided with rails, the rails are provided with limiting blocks, the middle parts of the limiting blocks are provided with limiting grooves, the front sides of the limiting blocks and the front sides of the limiting grooves are provided with inclined planes, the inclined.
2. A self-locking lifting platform as recited in claim 1 wherein the two stops are front and rear stops with a stop slot therebetween.
3. The self-locking lifting working platform according to claim 1 or 2, wherein a top block is arranged on the front side of the limiting block on the rails on the two sides of the bottom plate, the top block is higher than the limiting block, and the height of the top block is matched with the front end of the collision block.
4. The self-locking elevating work platform of claim 3 wherein the top plate has a handle on the top surface, the top plate has a peripheral frame on the periphery, the bottom plate has a corresponding peripheral frame on the periphery, and the top plate and the bottom plate can be fastened together to form a box.
5. The self-locking elevating work platform of claim 4 wherein the bottom plate is provided with a bumper corresponding to the top plate.
6. The self-locking elevating work platform of claim 5 wherein two air bars are connected between the connecting rod and the bottom plate of the brace structure, respectively, the two air bars being parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921248945.XU CN211923426U (en) | 2019-08-02 | 2019-08-02 | Self-locking lifting working platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921248945.XU CN211923426U (en) | 2019-08-02 | 2019-08-02 | Self-locking lifting working platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211923426U true CN211923426U (en) | 2020-11-13 |
Family
ID=73318045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921248945.XU Active CN211923426U (en) | 2019-08-02 | 2019-08-02 | Self-locking lifting working platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211923426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113352032A (en) * | 2021-08-11 | 2021-09-07 | 徐州夏尔智能焊接研究院有限公司 | Semi-automatic welding machine |
-
2019
- 2019-08-02 CN CN201921248945.XU patent/CN211923426U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113352032A (en) * | 2021-08-11 | 2021-09-07 | 徐州夏尔智能焊接研究院有限公司 | Semi-automatic welding machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217723088U (en) | Horizontal lifting support and storage bed using same | |
| CN211923426U (en) | Self-locking lifting working platform | |
| CN215212221U (en) | Construction platform for building that is equipped with perpendicular detection chi | |
| CN116021531B (en) | A pillow spring wedge assembly robot | |
| CN107601217A (en) | Lowering or hoisting gear and its application method | |
| CN201395492Y (en) | Stepless mechanical lifting table | |
| CN213475354U (en) | Operating platform for installation of fire-fighting engineering | |
| CN215798225U (en) | Crane installation and maintenance safety platform | |
| CN210258505U (en) | Steel construction travelling bogie | |
| CN219445148U (en) | Cooperative robot with mobile fixing device | |
| CN216129292U (en) | Overhead guard for forklift | |
| CN112747016A (en) | Automatic lockpin device and lift | |
| CN219404289U (en) | Sleeper spring inclined wedge assembling manipulator | |
| CN214214321U (en) | A supporting and transporting device for upright column turning and chiseling | |
| CN215587582U (en) | Elevator handrail stamping device | |
| CN212898535U (en) | Tunnel construction trolley | |
| CN215093434U (en) | Heavy machinery spare part assembly strutting arrangement | |
| CN214108506U (en) | Continuous quick automatic stamping die with long-life anticollision roof beam | |
| CN209800996U (en) | Skid-mounted base for movable equipment | |
| CN223572396U (en) | Novel disassembling device for hexahedral top press | |
| CN115838086A (en) | New energy movable bulk cargo automobile unloading device | |
| CN209888829U (en) | Automobile chassis rack convenient to move | |
| CN220353439U (en) | Fang Jian building material carrying frame | |
| CN112497533A (en) | Auxiliary transportation system for overturning, chiseling and hoisting stand column and working method | |
| CN221682597U (en) | A safety protection device for mine construction engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |