CN212558974U - Electromagnetic type anti-falling device of hydraulic lifting platform - Google Patents
Electromagnetic type anti-falling device of hydraulic lifting platform Download PDFInfo
- Publication number
- CN212558974U CN212558974U CN202021320560.2U CN202021320560U CN212558974U CN 212558974 U CN212558974 U CN 212558974U CN 202021320560 U CN202021320560 U CN 202021320560U CN 212558974 U CN212558974 U CN 212558974U
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- lifting platform
- guide rod
- guide
- hydraulic lifting
- rotating shaft
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Abstract
The utility model provides a hydraulic lifting platform's electromagnetic type anti-falling device, relates to the lifting platform field, including lifting platform, lifting platform is along the well oscilaltion, the lifting platform bottom is equipped with first uide bushing, sliding fit has first guide bar in the uide bushing, first guide bar is connected with actuating mechanism, be provided with the jack on the well lateral wall, actuating mechanism orders about first guide bar and slides and insert in the jack along first uide bushing. The utility model discloses in order to avoid lift platform's the problem of falling in the jack of well is inserted in the design of usable guide bar, uide bushing, multiple different actuating mechanism chooses for use by oneself according to the demand, and is with low costs, effectual.
Description
Technical Field
The utility model belongs to the technical field of lift platform and specifically relates to a hydraulic lift platform's electromagnetic type anti-falling device.
Background
The hydraulic lifting platform is widely applied by replacing a traditional lifter taking a motor as power with simple and reasonable structure, low manufacturing cost and high lifting speed, but the existing hydraulic lifting platform is not provided with a falling prevention mechanism, so that if a lifting chain breaks in the working process, a main platform surface can be out of control to cause sudden falling, accidents are easily caused, and even serious life and property loss is caused.
SUMMERY OF THE UTILITY MODEL
Lack the problem of preventing falling the mechanism to present hydraulic lifting platform, the utility model provides a hydraulic lifting platform's electromagnetic type anti-falling device can avoid the emergence of above-mentioned problem.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a hydraulic lifting platform's electromagnetic type anti-falling device, includes lifting platform, lifting platform is along the well oscilaltion, the lifting platform bottom is equipped with first uide bushing, sliding fit has first guide bar in the uide bushing, first guide bar is connected with actuating mechanism, be provided with the jack on the well lateral wall, actuating mechanism orders about first guide bar and slides and insert in the jack along first uide bushing.
Furthermore, be equipped with a fixed plate on the well lateral wall, be equipped with an inserted block on the fixed plate, be equipped with the jack in the inserted block.
Further, the driving mechanism is an electric cylinder which pushes the first guide rod to move along the first guide sleeve.
Further, actuating mechanism is still including second uide bushing and second guide bar, sliding fit has the second guide bar in the second uide bushing, the lift platform bottom is equipped with a pivot, it is connected with the swing board to rotate in the pivot, the upper end of swing lever articulates there is first guide bar, the lower tip of swing lever articulates there is the second guide bar, the pivot is connected with the motor, first guide bar, second guide bar are the elastic rod.
Furthermore, the driving mechanism further comprises a second guide sleeve and a second guide rod, the second guide rod is arranged in the second guide sleeve in a sliding fit mode, a rotating shaft is arranged at the bottom of the lifting platform, a gear is installed at one end of the rotating shaft, a motor is installed at the other end of the rotating shaft, an upper rack is installed on the first guide rod, a lower rack is installed on the second guide rod, and the upper rack and the lower rack are respectively meshed with the gear.
Furthermore, actuating mechanism is still including second uide bushing, second guide bar, drive wheel and follow driving wheel, sliding fit has the second guide bar in the second uide bushing, and the drive wheel all rotates with the follow driving wheel and is connected in the lift platform bottom, the last motor of installing of lift platform, the motor is connected with the drive wheel, the drive wheel with pass through the belt conveying from the driving wheel and be connected, first guide bar passes through upper junction block and belt fixed connection, the second guide bar passes through lower junction block and belt fixed connection.
Furthermore, be equipped with limit switch on the well lateral wall, be equipped with limit control board on the lift platform, limit control board and limit switch cooperate.
The utility model has the advantages that: the utility model discloses in order to avoid lift platform's the problem of falling in the jack of well is inserted in the design of usable guide bar, uide bushing, multiple different actuating mechanism chooses for use by oneself according to the demand, for example the mode of electronic jar direct drive guide bar is fit for single guide bar and uses, and the driven mode synchronism of twin is better and so on.
Drawings
Fig. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural view of a second embodiment of the drive mechanism;
FIG. 4 is a schematic view of the structure of the swing plate with an electric cylinder connected thereto;
FIG. 5 is a schematic structural view of a third embodiment of a drive mechanism;
FIG. 6 is a schematic structural view of a fourth embodiment of a drive mechanism;
in the figure: 101 upper fixing frame, 102 lower fixing frame, 103 channel, 104 well, 201 lifting platform, 202 hauling rope, 301 limit switch, 302 limit control board, 4 driving mechanism, 401 first guide sleeve, 402 first guide rod, 403 second guide sleeve, 404 second guide rod, 405 swinging plate, 4051 upper end, 4052 lower end, 406 rotating shaft, 407 electric cylinder, 408 upper rack, 409 lower rack, 410 gear, 411 driving wheel, 412 driven wheel, 413 belt, 414 upper connecting block, 415 lower connecting block, 501 fixing plate, 502 inserting block, 503 inserting hole.
Detailed Description
First embodiment
As shown in fig. 1 to 2, an electromagnetic anti-falling device for a hydraulic lifting platform includes a lifting platform 201, the lifting platform can be lifted up and down in a hoistway 104 enclosed by an upper fixing frame 101 and a lower fixing frame 102, a traction rope 202 is disposed on the top of the lifting platform, and the lifting platform can be driven by the traction rope to move up and down. Wherein a passage 103 for people to pass or goods to be placed is arranged between the upper layer fixing frame and the lower layer fixing frame.
In at least one embodiment, a first guide sleeve 401 is arranged at the bottom of the lifting platform, a first guide rod 402 is slidably fitted in the guide sleeve, and the first guide rod is connected with a driving mechanism 4, wherein the driving mechanism can be an electric cylinder or an electric push rod. The electric cylinder and the electric push rod can directly push the first guide rod to move along the first guide sleeve.
In cooperation with the fixing plate 501, an insertion block 502 is disposed on the fixing plate, and an insertion hole 503 is disposed in the insertion block. In some embodiments, the lower fixing frame or the side wall of the shaft can be directly provided with the jacks, and the jacks are selected according to actual conditions.
The driving mechanism drives the first guide rod to slide along the first guide sleeve and insert into the jack, and the falling condition caused by the accident condition of the lifting platform is avoided.
Further, be equipped with limit switch 301 on the lateral wall of upper mount or the well lateral wall, the last limit control board 302 that is equipped with of lift platform, limit control board and limit switch cooperate, limit control board can insert and make limit switch's state change in the limit switch to monitor the concrete position of lift platform this moment. The limit switch can be a photoelectric switch with the model of GK 102.
Second embodiment
The difference from the first embodiment is that the driving mechanism further includes a second guide sleeve 403 and a second guide rod 404, the second guide sleeve is slidably fitted in the second guide sleeve, a rotating shaft 406 is arranged at the bottom of the lifting platform, a swing plate 405 is rotatably connected to the rotating shaft, an upper end portion 4051 of the swing rod is hinged to the first guide rod 402, a lower end portion 4052 of the swing rod is hinged to the second guide rod 404, and the rotating shaft is connected to a motor. The first guide rod and the second guide rod are elastic rods and can be elastically deformed. When the swing rod rotates around the rotating shaft, the first guide rod and the second guide rod can be driven to respectively slide along the first guide sleeve and the second guide sleeve, so that the problem of interference (the problem of actual processing precision and installation is involved, and generally, allowance is reserved) can be avoided.
The scheme is optimized, and in another driving mode, the swinging rod is rotatably connected with an electric cylinder 407, and the electric cylinder is hinged to the bottom of the lifting platform. This kind of mode need not the motor, practices thrift the cost.
Third embodiment
The difference from the first embodiment is that the driving mechanism further includes a second guide sleeve 403 and a second guide rod 404, the second guide rod is slidably fitted in the second guide sleeve, a rotating shaft 406 is arranged at the bottom of the lifting platform, a gear 410 is installed at one end of the rotating shaft, a motor is installed at the other end of the rotating shaft, an upper rack 408 is installed on the first guide rod, a lower rack 409 is installed on the second guide rod, and the upper rack and the lower rack are respectively engaged with the gear. The first guide rod and the second guide rod can be driven to slide along the first guide sleeve and the second guide sleeve simultaneously through the rotation of the motor.
Fourth embodiment
The difference from the first embodiment is that the driving mechanism further includes a second guide sleeve 403, a second guide rod 404, a driving wheel 411 and a driven wheel 412, the second guide rod is slidably fitted in the second guide sleeve, the driving wheel 411 and the driven wheel 412 are both rotatably connected to the bottom of the lifting platform, a motor is mounted on the lifting platform, the motor is connected with the driving wheel, the driving wheel and the driven wheel are connected through a belt in a transmission manner, the first guide rod is fixedly connected with a belt 413 through an upper connecting block 414, and the second guide rod is fixedly connected with the belt through a lower connecting block 415. The motor rotates to drive the first guide rod and the second guide rod to slide along the first guide sleeve and the second guide sleeve simultaneously.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
Claims (7)
1. The utility model provides a hydraulic lifting platform's electromagnetic type anti-falling device, its characterized in that, includes lifting platform, lifting platform is along the well oscilaltion, the lifting platform bottom is equipped with first uide bushing, sliding fit has first guide bar in the uide bushing, first guide bar is connected with actuating mechanism, be provided with the jack on the well lateral wall, actuating mechanism orders about first guide bar and slides and insert in the jack along first uide bushing.
2. The electromagnetic anti-fall device for a hydraulic lifting platform of claim 1, wherein the sidewall of the shaft is provided with a fixing plate, the fixing plate is provided with an insertion block, and the insertion block is provided with a plug hole.
3. The electromagnetic fall arrest device for hydraulic lifting platforms according to claim 1 or 2, characterized in that the driving mechanism is an electric cylinder which pushes the first guiding rod along the first guiding sleeve.
4. The electromagnetic anti-falling device for the hydraulic lifting platform according to claim 1 or 2, wherein the driving mechanism further comprises a second guide sleeve and a second guide rod, the second guide rod is slidably fitted in the second guide sleeve, a rotating shaft is arranged at the bottom of the lifting platform, a swinging plate is rotatably connected to the rotating shaft, a first guide rod is hinged to the upper end of the swinging plate, a second guide rod is hinged to the lower end of the swinging plate, the rotating shaft is connected with a motor, and the first guide rod and the second guide rod are elastic rods.
5. The electromagnetic anti-falling device for the hydraulic lifting platform according to claim 1 or 2, wherein the driving mechanism further comprises a second guide sleeve and a second guide rod, the second guide rod is slidably fitted in the second guide sleeve, a rotating shaft is arranged at the bottom of the lifting platform, a gear is arranged at one end of the rotating shaft, a motor is arranged at the other end of the rotating shaft, an upper rack is arranged on the first guide rod, a lower rack is arranged on the second guide rod, and the upper rack and the lower rack are respectively meshed with the gear.
6. The electromagnetic type anti-falling device for the hydraulic lifting platform is characterized in that the driving mechanism further comprises a second guide sleeve, a second guide rod, a driving wheel and a driven wheel, the second guide rod is arranged in the second guide sleeve in a sliding fit mode, the driving wheel and the driven wheel are both rotatably connected to the bottom of the lifting platform, a motor is mounted on the lifting platform and connected with the driving wheel, the driving wheel and the driven wheel are in transmission connection through a belt, the first guide rod is fixedly connected with the belt through an upper connecting block, and the second guide rod is fixedly connected with the belt through a lower connecting block.
7. The electromagnetic anti-fall device for a hydraulic lifting platform according to claim 1 or 2, characterized in that a limit switch is arranged on the side wall of the well, a limit control board is arranged on the lifting platform, and the limit control board is matched with the limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021320560.2U CN212558974U (en) | 2020-07-08 | 2020-07-08 | Electromagnetic type anti-falling device of hydraulic lifting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021320560.2U CN212558974U (en) | 2020-07-08 | 2020-07-08 | Electromagnetic type anti-falling device of hydraulic lifting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212558974U true CN212558974U (en) | 2021-02-19 |
Family
ID=74620340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021320560.2U Expired - Fee Related CN212558974U (en) | 2020-07-08 | 2020-07-08 | Electromagnetic type anti-falling device of hydraulic lifting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212558974U (en) |
-
2020
- 2020-07-08 CN CN202021320560.2U patent/CN212558974U/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: 20210219 |