CN213536950U - Safe anti-falling device for T-shaped rail lifting operation platform - Google Patents
Safe anti-falling device for T-shaped rail lifting operation platform Download PDFInfo
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- CN213536950U CN213536950U CN202022404076.4U CN202022404076U CN213536950U CN 213536950 U CN213536950 U CN 213536950U CN 202022404076 U CN202022404076 U CN 202022404076U CN 213536950 U CN213536950 U CN 213536950U
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- guide rail
- chain
- lifting
- rail frame
- platform main
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Abstract
The utility model relates to a T type rail lift operation platform safety anti-falling device, including the guide rail frame, upper portion transversely is provided with the mount in the guide rail frame, and guide rail frame one side is provided with the lift platform main part, and a side symmetry that the lift platform main part is close to the guide rail frame is provided with two chains, and the one end that the chain is close to the lift platform main part is connected with the chain connecting block, and the chain connecting block lower extreme is connected and is prevented weighing down trigger spring one end, prevents weighing down the trigger spring other end and fixes in the lift platform main part, prevents weighing down the trigger. When the chain is loosened, the tension of the spring is reduced, the brake trigger device and the safety tongs are matched, and the safety tongs can act and hold the guide rail tightly to play a braking role. Even if the clamped position is loosened, the lifting platform main body cannot fall out of control. The utility model discloses effectively avoid producing wrong operation, improved the security, effectively avoided taking place to fall when the lift platform that blocks because of the accident is not hard up.
Description
Technical Field
The utility model relates to a jacking equipment technical field especially relates to a safe anti-falling device of T type rail lift operation platform.
Background
Nowadays, machines such as construction lifting operation platforms play a great role in more and more building fields at the beginning of the high-speed development of national economy, and the use of the construction lifting operation platforms is particularly important for large projects and high-rise building places. Compared with other lifting equipment, the T-shaped rail lifting operation platform in the prior art is simple and reasonable in structure, the whole equipment is relatively stable and heavy, and the lifting speed of the T-shaped rail lifting platform is relatively high.
Present T type rail lift operation platform need rely on the chain to promote the platform, because promote the chain and probably take place the condition that the chain fracture or lift platform decline process blocked suddenly after long-time heavy load operation, can lead to the lift operation platform to take place to fall, not only can cause the damage of equipment, still can cause the casualties when serious, brings the hidden danger of very big economic loss and incident for the enterprise.
At the present stage, most of anti-falling devices of the T-shaped rail lifting operation platform adopt a plurality of oil wire ropes to be used side by side, so that the anti-falling devices have a safety function mutually. In a popular way, one oil wire rope is a safety rope of other oil wire ropes, when an emergency occurs in the descending process, the lifting platform is clamped, the hydraulic system continues to return oil, the chain continues to loosen, when the clamped part loosens again, the lifting platform falls out of control, and the safety function is not achieved fundamentally. Therefore, new techniques are needed to improve the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, a safe anti-falling device for a T-shaped rail lifting operation platform is provided, so as to solve the problems in the background technology. The utility model discloses rational in infrastructure, prevent weighing down effectually, work efficiency is high, blocks the back when lift platform, and the safety tongs in time protects the interception, has effectively avoided falling once more.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
the utility model provides a T type rail lift operation platform safety anti-falling device, includes the guide rail frame, upper portion transversely is provided with the mount in the guide rail frame, guide rail frame one side is provided with the lift platform main part, the one side symmetry that the lift platform main part is close to the guide rail frame is provided with two chains, the one end that the chain is close to the lift platform main part is connected with the chain connecting block, chain connecting block lower extreme is connected and is prevented weighing down trigger spring one end, prevent weighing down the trigger spring other end and fix in the lift platform main part, it is provided with brake trigger device to prevent weighing down the trigger spring. When the lifting platform normally operates, the chain connecting block is pulled upwards by the chain, the spring is pulled upwards by the chain connecting block, and the spring is in a stretching state; when the chain is not flexible, the chain connecting block no longer receives ascending pulling force, and the chain connecting block is not flexible, and spring pulling force reduces.
As a further technical solution of the present invention: the chain lifting platform is characterized in that threads are arranged on the middle lower portion of the chain connecting block, a chain lifting seat is arranged on the outer side of the chain connecting block and fixed on the lifting platform main body, a locking nut is arranged below the chain lifting seat, and a locking nut is arranged below the locking nut. The chain promotes the seat and plays the effect of fixing the chain to the lift platform main part, and lock nut and chain connecting block threaded connection play the effect of fixed chain promotion seat.
As a further technical solution of the present invention: and the guide rail frame is provided with safety tongs, one end of each safety tong is connected with the guide rail frame in a sliding manner, and the other end of each safety tong is fixedly connected with the lifting platform main body. The safety gear rises or descends along with the lifting platform, and when the tension of the spring is reduced, the brake trigger device and the safety gear are matched, so that the safety gear can act and hold the guide rail tightly to play a braking role.
As a further technical solution of the present invention: the inner side of the guide rail frame is provided with a sliding groove, and the lifting platform body is clamped on the sliding groove on the inner side of the guide rail frame. The lifting platform main body slides in the sliding groove to ascend or descend.
As a further technical solution of the present invention: the hydraulic lifting platform is characterized in that a hydraulic oil cylinder is vertically arranged in the middle of the guide rail frame, a jacking mechanism is arranged at the top end of the hydraulic oil cylinder, and the hydraulic oil cylinder stretches and retracts to drive the lifting platform body to move up and down along the guide rail frame through the jacking mechanism.
As a further technical solution of the present invention: the jacking mechanism comprises a lifting power rod, the lifting power rod is connected with the top end of the hydraulic oil cylinder, two ends of the lifting power rod are connected with a guide rail in the vertical direction of the guide rail frame in a matched mode, two chain wheels are symmetrically arranged on the lower end face of the lifting power rod, chains are arranged on the chain wheels respectively, one ends of the two chains are connected with the fixed frame, and the other ends of the two chains bypass the corresponding chain wheels and are connected with the lifting platform body. When the hydraulic oil cylinder stretches, the lifting power rod is driven to lift along the guide rail frame, and the chain wheel on the lifting power rod is matched with the corresponding chain to drive the lifting platform body to lift.
The utility model has the advantages that: when the lift platform main part accident blocked, hydraulic cylinder continued the oil return, and the chain is not hard up, and the chain connecting block no longer receives ascending pulling force, and the chain connecting block is not hard up, and spring tension reduces, and at this moment, brake trigger device and safety tongs cooperation effect, safety tongs will move like this and hug closely the guide rail, play the brake effect. Even if the clamped position is loosened, the lifting platform main body cannot fall out of control. The utility model discloses effectively avoid producing the maloperation, improved the security, realize automaticly, effectively avoided taking place to fall when the lift platform that blocks because of the accident is not hard up.
Drawings
FIG. 1 is a schematic structural view of a T-rail lifting platform;
FIG. 2 is an enlarged view of a portion of FIG. 1;
in the figure: the anti-falling safety brake system comprises a guide rail frame 1, a lifting platform body 2, a hydraulic oil cylinder 3, a lifting power rod 4, a chain wheel 5, a chain 6, a fixed frame 7, a chain connecting block 8, a chain lifting seat 9, a locking nut 10, a locknut 11, an anti-falling trigger spring 12, a brake trigger device 13 and a safety clamp 14.
Detailed Description
The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a safe anti-falling device for a T-shaped rail lifting operation platform comprises a guide rail frame 1, wherein a fixed frame 7 is transversely arranged at the middle upper part of the guide rail frame 1, a lifting platform main body 2 is arranged on one side of the guide rail frame 1, two chains 6 are symmetrically arranged on one side, close to the guide rail frame 1, of the lifting platform main body 2, one end, close to the lifting platform main body 2, of each chain 6 is connected with a chain connecting block 8, the lower end of each chain connecting block 8 is connected with one end of an anti-falling trigger spring 12, and the other end. When the lifting platform main body 2 normally operates, the chain connecting block 8 is subjected to upward tension of the chain 6, the anti-falling trigger spring 12 is subjected to upward tension of the chain connecting block 8, and the anti-falling trigger spring 12 is in a stretching state; when the chain 6 is not flexible, the chain connecting block 8 is not pulled upwards any more, the chain connecting block 8 is not flexible, and the pulling force of the anti-falling trigger spring 12 is reduced.
The guide rail frame 1 is provided with a safety gear 14, one end of the safety gear 14 is connected with the guide rail frame 1 in a sliding way, the other end of the safety gear 14 is fixedly connected with the lifting platform main body 2, and the safety gear 14 ascends or descends along with the lifting platform main body 2. The brake trigger device 13 is arranged below the anti-falling trigger spring 12, when the tension of the anti-falling trigger spring 12 is reduced, the brake trigger device 13 and the safety gear 14 are matched, so that the safety gear 14 can act and tightly hold the guide rail to play a braking role.
The inner side of the guide rail frame 1 is provided with a sliding chute, the lifting platform body 2 is clamped on the sliding chute on the inner side of the guide rail frame 1, and the lifting platform body 2 can slide in the sliding chute. The middle of the guide rail frame 1 is vertically provided with a hydraulic oil cylinder 3, the top end of the hydraulic oil cylinder 3 is provided with a jacking mechanism, the jacking mechanism comprises a lifting power rod 4, the two ends of the lifting power rod 4 are connected with the guide rail in the vertical direction of the guide rail frame 1 in a matching manner, the lifting power rod 4 is connected with the top end of the hydraulic oil cylinder 3, two chain wheels 5 are symmetrically arranged on the lower end face of the lifting power rod 4, chains 6 are respectively arranged on the chain wheels 5, one ends of the two chains 6 are connected with a fixing frame 7, and the other ends of the two chains 6 are respectively connected with a lifting platform. When the hydraulic oil cylinder 3 stretches, the lifting power rod 4 is driven to lift along the guide rail frame 1, and the chain wheel 5 on the lifting power rod 4 is matched with the corresponding chain 6 to drive the lifting platform main body 2 to move up and down along the guide rail frame 1.
The utility model discloses specific embodiment: when the lifting platform main body normally operates: the hydraulic oil cylinder 3 stretches to drive the lifting power rod 4 to lift along the guide rail frame 1, and the chain wheel 5 on the lifting power rod 4 is matched with the corresponding chain 6 to drive the lifting platform main body 2 to move up and down along the guide rail frame 1; at the moment, the chain connecting block 8 can receive the upward pulling force of the chain 6, the anti-falling trigger spring 12 receives the upward pulling force of the chain connecting block 8, and the anti-falling trigger spring 12 is in a stretching state. When the lifting platform main body 2 is clamped in descending, the hydraulic oil cylinder 3 continues to shrink, the lifting power rod 4 continues to descend, the chain 6 is loosened, the chain connecting block 8 does not receive upward pulling force any more, the chain connecting block 8 is loosened, the pulling force of the anti-falling trigger spring 12 is reduced, the brake trigger device 13 and the safety tongs 14 are matched, so that the safety tongs 14 can act and tightly hold the guide rail, a braking effect is achieved, and falling caused when the lifting platform main body 2 clamped accidentally is loosened is effectively avoided. The safety accidents are avoided, and property loss is avoided.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a safe anti-falling device of T type rail lift operation platform, includes guide rail frame (1), upper portion transversely is provided with mount (7), its characterized in that in guide rail frame (1): guide rail frame (1) one side is provided with lift platform main part (2), the one side symmetry that lift platform main part (2) are close to guide rail frame (1) is provided with two chains (6), the one end that chain (6) are close to lift platform main part (2) is connected with chain connecting block (8), prevent weighing down trigger spring (12) one end is connected to chain connecting block (8) lower extreme, prevent weighing down trigger spring (12) other end and fix lift platform main part (2) is last, it is provided with brake trigger device (13) to prevent weighing down trigger spring (12) below.
2. The safety anti-falling device for the T-shaped rail lifting operation platform is characterized in that: the chain lifting mechanism is characterized in that threads are arranged on the middle lower portion of the chain connecting block (8), a chain lifting seat (9) is arranged on the outer side of the chain connecting block (8), the chain lifting seat (9) is fixed on the lifting platform main body (2), a locking nut (10) is arranged below the chain lifting seat (9), and a locking nut (11) is arranged below the locking nut (10).
3. The safety anti-falling device for the T-shaped rail lifting operation platform is characterized in that: the safety gear (14) is arranged on the guide rail frame (1), one end of the safety gear (14) is connected with the guide rail frame (1) in a sliding mode, and the other end of the safety gear is fixedly connected with the lifting platform main body (2).
4. The safety anti-falling device for the T-shaped rail lifting operation platform is characterized in that: the inner side of the guide rail frame (1) is provided with a sliding groove, and the lifting platform body (2) is clamped on the sliding groove on the inner side of the guide rail frame (1).
5. The safety anti-falling device for the T-shaped rail lifting operation platform is characterized in that: the hydraulic lifting platform is characterized in that a hydraulic oil cylinder (3) is vertically arranged in the middle of the guide rail frame (1), a jacking mechanism is arranged at the top end of the hydraulic oil cylinder (3), and the hydraulic oil cylinder (3) stretches and retracts to drive the lifting platform main body (2) to move up and down along the guide rail frame (1).
6. The safety anti-falling device for the T-shaped rail lifting operation platform is characterized in that: the jacking mechanism comprises a lifting power rod (4), the two ends of the lifting power rod (4) are connected with a guide rail in the vertical direction of the guide rail frame (1) in a matching mode, the lifting power rod (4) is connected with the top end of the hydraulic oil cylinder (3), two chain wheels (5) are symmetrically arranged on the lower end face of the lifting power rod (4), chains (6) are arranged on the chain wheels (5) respectively, one ends of the two chains (6) are connected with the fixing frame (7), and the other ends of the two chains (6) respectively bypass the corresponding chain wheels (5) and then are connected with the lifting platform main body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022404076.4U CN213536950U (en) | 2020-10-26 | 2020-10-26 | Safe anti-falling device for T-shaped rail lifting operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022404076.4U CN213536950U (en) | 2020-10-26 | 2020-10-26 | Safe anti-falling device for T-shaped rail lifting operation platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213536950U true CN213536950U (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022404076.4U Active CN213536950U (en) | 2020-10-26 | 2020-10-26 | Safe anti-falling device for T-shaped rail lifting operation platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213536950U (en) |
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2020
- 2020-10-26 CN CN202022404076.4U patent/CN213536950U/en active Active
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