CN211871285U - Anti-falling mechanism for lifting platform - Google Patents
Anti-falling mechanism for lifting platform Download PDFInfo
- Publication number
- CN211871285U CN211871285U CN202020240419.5U CN202020240419U CN211871285U CN 211871285 U CN211871285 U CN 211871285U CN 202020240419 U CN202020240419 U CN 202020240419U CN 211871285 U CN211871285 U CN 211871285U
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- locking
- lift platform
- weighing down
- locking piece
- fall arrest
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Abstract
The utility model discloses a prevent weighing down mechanism for lift platform, lift platform liftable locate in the pit, prevent weighing down mechanism, a relative locking for between lift platform and the pit, prevent weighing down mechanism including the sticking department of locating the lift platform bottom, locate the pit inner wall and be located the cooperation portion of sticking department one side, the sticking department can cooperate lock in the cooperation portion, the sticking department includes the locking body, locate the electromagnetic module on the locking body, the rotatable locking piece of locating on the locking body, locking piece one end can the complex adsorb on the locking body or break away from the locking body. The utility model discloses a prevent weighing down mechanism for lift platform through setting up electromagnetic module, locking piece and cooperation portion, when lift platform cuts off the power supply, electromagnetic module can lose magnetism because of the outage, and the locking piece can break away from electromagnetic module and lock in the cooperation portion this moment, realizes the relative locking between lift platform and the pit, has prevented falling of lift platform, has stopped the potential safety hazard.
Description
Technical Field
The utility model relates to a prevent weighing down mechanism for lift platform.
Background
The transformer substation is a place for changing voltage, and converts high-voltage current transmitted by a power plant into low-voltage current for users to use, so the transformer substation is generally arranged in a crowd-concentrated place. In consideration of safety, a lifting type underground transformer is generally adopted, and a transformer substation is arranged in a pit in a lifting manner, so that the safety performance of the transformer substation is relatively high.
At present, a transformer substation is usually arranged on a lifting platform, and the transformer substation is driven to achieve the purpose of lifting through the lifting platform. However, the lifting platform is usually driven to lift through electric power, if the power system is in failure and is powered off in the lifting process, the lifting platform directly falls, the transformer substation is driven to fall, and the consequences are unreasonable if an operator is in a pit at the moment.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, providing a prevent weighing down mechanism for lift platform, should prevent weighing down mechanism and can pin lift platform when lift platform cuts off the power supply, prevented falling of lift platform, stopped the potential safety hazard.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a prevent weighing down mechanism for lift platform, lift platform liftable locate in the pit, prevent weighing down mechanism, be used for lift platform with relative locking between the pit, prevent weighing down mechanism including locating the lift platform bottom the sticking department, locate pit inner wall just is located the cooperation portion of sticking department one side, the sticking department can cooperate lock in the cooperation portion, the sticking department includes the locking body, locates electromagnetic module on the locking body, rotatable locating locking piece on the locking body, locking piece one end can cooperate adsorb in on the locking body or break away from the locking body.
Preferably, the locking piece has a locking position and an unlocking position, when the electromagnetic module is powered on, the locking piece can be fittingly adsorbed on the locking body, and at the moment, the locking piece is in the unlocking position; when the electromagnetic module is powered off, the locking piece is separated from the locking body and can be matched and locked in the matching part, and the locking piece is in a locking position at the moment.
Preferably, the rotation axis of the locking piece extends in a horizontal direction and is perpendicular to the arrangement direction of the locking portion and the fitting portion.
Preferably, the locking member and the electromagnetic module are located on opposite sides of the locking body, respectively.
Preferably, the locking member is a locking hook.
Preferably, the electromagnetic module is an electromagnet.
Preferably, the anti-falling mechanism further comprises an anti-falling plate extending along the vertical direction, the matching part is arranged on the anti-falling plate at intervals along the extending direction of the anti-falling plate, and the locking part can be matched with the locking groove to realize locking.
Further preferably, the openings of the plurality of locking grooves are arranged toward the locking member.
Preferably, the locking parts are four in number and are respectively located at four ends of the lifting platform.
Further preferably, the anti-falling plate is provided with four locking parts which correspond to the four locking parts one by one.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a prevent weighing down mechanism for lift platform through setting up electromagnetic module, locking piece and cooperation portion, when lift platform cuts off the power supply, electromagnetic module can lose magnetism because of the outage, and the locking piece can break away from electromagnetic module and lock in the cooperation portion this moment, realizes the relative locking between lift platform and the pit, has prevented falling of lift platform, has stopped the potential safety hazard.
Drawings
FIG. 1 is a schematic view of the installation of the anti-falling mechanism on the lifting platform;
FIG. 2 is an enlarged view of the locking member shown in FIG. 1 at A, in a locked position;
fig. 3 is a schematic structural view of the locking member of the present invention in the unlocked position.
Wherein: 1. a lifting platform; 1a, a hydraulic cylinder; 2. a pit; 3. a locking portion; 31. a lock body; 32. an electromagnetic module; 33. a locking member; 4. a fitting portion; 41. locking the groove; 5. an anti-falling plate;
100. and (5) a transformer substation.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
The utility model relates to an improvement to lift platform. The lifting platform is generally used for bearing various devices and driving the devices to lift, and the existing lifting platform generally drives a hydraulic cylinder by using an electric power system, and the lifting platform is driven to lift by the stretching of the hydraulic cylinder. The improved lifting platform is innovatively provided with the anti-falling mechanism, the lifting platform can be locked when the power system is powered off, the lifting platform is prevented from falling, and potential safety hazards are eliminated.
Referring to fig. 1, a lifting platform is shown, wherein a lifting platform 1 is arranged in a pit 2 in a lifting manner, and is driven to lift through hydraulic cylinders 1a respectively arranged at four ends of the lifting platform, and the hydraulic cylinders 1a are driven by an electric power system. In this embodiment, the lifting platform 1 is used for driving the substation 100 to lift.
The anti-falling mechanism is used for relative locking between a lifting platform 1 and a pit 2, and comprises a locking part 3 arranged at the bottom of the lifting platform 1 and a matching part 4 arranged on the inner wall of the pit 2 and positioned on one side of the locking part 3, wherein the locking part 3 can be matched and locked in the matching part 4, the locking part 3 comprises a locking body 31, an electromagnetic module 32 arranged on the locking body 31 and a locking piece 33 rotatably arranged on the locking body 31, and one end of the locking piece 33 can be matched and adsorbed on the locking body 31 or separated from the locking body 31.
Here, the locking member 33 is a locking hook, the electromagnetic module 32 is an electromagnet, the locking hook is made of a magnetic material and can be attracted by the electromagnet, the locking member 33 and the electromagnetic module 32 are respectively located on two opposite sides of the locking body 31, and a rotation axis of the locking member 33 extends along a horizontal direction and is perpendicular to an arrangement direction of the locking portion 3 and the matching portion 4. The locking piece 33 has a locking position and an unlocking position, when the electromagnetic module 32 is powered on, the locking piece 33 can be fittingly adsorbed on the locking body 31, and at the moment, the locking piece 33 is in the unlocking position; when the electromagnetic module 32 is deenergized, the locking member 33 is disengaged from the locking body 31 and can be fittingly locked in the fitting portion 4, with the locking member 33 in the locked position.
Specifically, as shown in fig. 3, when the power system of the lifting platform 1 operates normally, the electromagnet has magnetic force due to electrification, the latch hook is adsorbed on the electromagnet, and the lifting platform 1 can be lifted freely; as shown in fig. 2, when the power system fails and the power is cut off, the electromagnet loses magnetic force, and the locking hook rotates clockwise under the action of gravity and is locked in the matching part 4, so that locking is realized, and the lifting platform 1 is prevented from falling.
In this embodiment, the above-mentioned falling-preventing mechanism further includes a falling-preventing plate 5 extending along the vertical direction, the engaging portion 4 is a plurality of locking grooves 41 provided on the falling-preventing plate 5 at intervals along the extending direction of the falling-preventing plate 5, and the locking member 33 can be engaged with one of the plurality of locking grooves 41 to achieve locking. Wherein the openings of the plurality of locking grooves 41 are arranged towards the locking member 33.
In the present embodiment, there are four locking portions 3, which are respectively located at four ends of the elevating platform 1. The anti-falling plates 5 are arranged in four and correspond to the four locking parts 3 one by one.
The following specifically explains the working process of this embodiment: when the power system of the lifting platform 1 operates normally, the electromagnet has magnetic force due to electrification, the lock hook is adsorbed on the electromagnet, and the lifting platform 1 can lift freely; and when the power system trouble and the outage, the electro-magnet loses magnetic force, and the latch hook clockwise rotates and locks in cooperation portion 4 under the effect of gravity this moment, realizes the locking.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a prevent weighing down mechanism for lift platform, lift platform (1) liftable locate in pit (2), prevent weighing down mechanism, be used for lift platform (1) with relative locking between pit (2), its characterized in that: prevent weighing down the mechanism including locating locking portion (3) of lift platform (1) bottom, locating pit (2) inner wall just is located cooperation portion (4) of locking portion (3) one side, locking portion (3) can cooperate lock in cooperation portion (4), locking portion (3) including locking body (31), locate electromagnetic module (32), rotatable locating on locking body (31) locking piece (33) on locking body (31), locking piece (33) one end can cooperate adsorb in on locking body (31) or break away from locking body (31).
2. The fall arrest mechanism for a lift platform according to claim 1, wherein: the locking piece (33) has a locking position and an unlocking position, when the electromagnetic module (32) is electrified, the locking piece (33) can be fittingly adsorbed on the locking body (31), and the locking piece (33) is at the unlocking position; when the electromagnetic module (32) is powered off, the locking piece (33) is disengaged from the locking body (31) and can be matched and locked in the matching part (4), and the locking piece (33) is in a locking position.
3. The fall arrest mechanism for a lift platform according to claim 1, wherein: the axis of rotation of the locking member (33) extends in a horizontal direction and is perpendicular to the direction of arrangement of the locking portion (3) and the mating portion (4).
4. The fall arrest mechanism for a lift platform according to claim 1, wherein: the locking member (33) and the electromagnetic module (32) are located on opposite sides of the locking body (31), respectively.
5. The fall arrest mechanism for a lift platform according to claim 1, wherein: the locking piece (33) is a locking hook.
6. The fall arrest mechanism for a lift platform according to claim 1, wherein: the electromagnetic module (32) is an electromagnet.
7. The fall arrest mechanism for a lift platform according to claim 1, wherein: prevent weighing down the mechanism and still include preventing weighing down board (5) that extend along vertical direction, cooperation portion (4) are for along prevent weighing down the extending direction interval of board (5) and set up in prevent weighing down a plurality of locked groove (41) on board (5), locking piece (33) can the complex inlay card in a plurality of locked groove (41) in one realize the locking.
8. The fall arrest mechanism for a lift platform according to claim 7, wherein: the openings of the plurality of locking grooves (41) are arranged towards the direction of the locking piece (33).
9. The fall arrest mechanism for a lift platform according to claim 7, wherein: the number of the locking parts (3) is four, and the locking parts are respectively positioned at four ends of the lifting platform (1).
10. The fall arrest mechanism for a lift platform according to claim 9, wherein: the four anti-falling plates (5) are arranged in one-to-one correspondence with the four locking parts (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020240419.5U CN211871285U (en) | 2020-03-02 | 2020-03-02 | Anti-falling mechanism for lifting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020240419.5U CN211871285U (en) | 2020-03-02 | 2020-03-02 | Anti-falling mechanism for lifting platform |
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| Publication Number | Publication Date |
|---|---|
| CN211871285U true CN211871285U (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020240419.5U Active CN211871285U (en) | 2020-03-02 | 2020-03-02 | Anti-falling mechanism for lifting platform |
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| Country | Link |
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| CN (1) | CN211871285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955923A (en) * | 2022-08-03 | 2022-08-30 | 济南双力升降机械有限公司 | Lifting equipment with anti-falling protection mechanism and method |
-
2020
- 2020-03-02 CN CN202020240419.5U patent/CN211871285U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955923A (en) * | 2022-08-03 | 2022-08-30 | 济南双力升降机械有限公司 | Lifting equipment with anti-falling protection mechanism and method |
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