CN220165538U - Safety tongs for elevator - Google Patents

Abstract

The utility model provides a safety gear for a hoisting machine, comprising: the safety tongs comprise a safety tongs body, wherein a moving block is arranged in the safety tongs body; a caliper disposed at one side of the moving block; the mounting frame is fixedly arranged on the top surface of the safety tongs body; the limiting column is arranged on the top surface of the mounting frame; a connection plate fixedly installed at one side of the moving block; wherein, the top of safety tongs body is provided with adjusting part for right the calliper removes and adjusts, when the staff need remove the calliper and adjust, can pass through the regulation movable block, then carry out spacing fixedly through spacing post to make things convenient for the staff to adjust the calliper, when the connecting plate removes, carry out spacingly through the movable hole, after the staff removes the regulation movable block and calliper, carry out movable sleeve through spacing post and spacing hole and spacing groove and establish the back, can make the movable block fix.

Description

Safety tongs for elevator

Technical Field

The utility model relates to the field of elevators, in particular to a safety tongs for an elevator.

Background

The hoisting machine is large-scale mechanical equipment for transporting by changing potential energy, such as a mine hoisting machine, a dam passing hoisting machine and the like, and in a broad sense, an elevator, a crown block, a hoisting machine, a steady car, a crane, a hoist and the like can be called as the hoisting machine, the hoisting machine generally refers to large-scale mechanical equipment with larger power and stronger lifting capacity, a flexible piece steel wire rope and transported goods are dragged up and down by a power machine to complete the transportation process, the steel wire rope is an indispensable important part of hoisting machinery, and main varieties include a phosphating coating steel wire rope, a galvanized steel wire rope, a stainless steel wire rope, a smooth surface steel wire rope and the like.

According to publication No.: chinese patent CN217076900U, a new safety tongs device for a stacker or elevator load bed, comprising: a stacker column; the driving assembly is arranged on the surface of the upright post of the stacker and used for driving the cargo carrying platform to move up and down; the safety clamp group is arranged on the surface of the cargo carrying platform; the transmission assembly is arranged on the surface of the cargo carrying platform, is used for driving calipers in the safety clamp group to move and is close to the surface of the upright post of the stacker; the utility model has the technical key points that a transmission assembly is designed on the cargo carrying platform, a steel wire rope is used for pulling up a second connecting rod and pushing a caliper to move, the second connecting rod is simultaneously close to the upright post of the stacker under the action of a caliper base, friction force is generated between the second connecting rod and the upright post of the stacker, and when the friction force is larger than the gravity of the cargo carrying platform, the cargo carrying platform descends, decelerates and stops.

The above solution still has the following drawbacks: this a safety tongs for lifting machine is in the in-process of using, through calliper base, calliper, spacing groove, gag lever post, spring and No. two connecting rods lock anti-falling's effect, however, this calliper and calliper base can not adjust, and this kind of design has led to the safety tongs unable to adjust to the lifting machine of different models, can not satisfy the requirement of various application, needs to match corresponding safety tongs when using, and this just greatly reduced practicality and flexibility, simultaneously, this also has increased the cost of maintaining and changing the safety tongs, we propose a safety tongs for lifting machine.

Disclosure of Invention

The present utility model aims to provide a safety gear for a hoist, which overcomes or at least partially solves the above problems, so as to solve the problem that the safety gear for a hoist is locked and anti-falling through a caliper base, a caliper, a limiting groove, a limiting rod, a spring and a second connecting rod in the use process, however, the caliper and the caliper base cannot be adjusted, the design causes that the safety gear cannot be adjusted for different types of hoists, the requirements of various application occasions cannot be met, and the safety gear needs to be matched when the safety gear is used, so that the practicability and the flexibility are greatly reduced, and meanwhile, the cost problem of maintaining and replacing the safety gear is increased.

In order to achieve the above purpose, the technical scheme of the utility model is specifically realized as follows:

the utility model provides a safety gear for a hoisting machine, comprising: safety tongs body, the inside of safety tongs body is provided with the movable block, callipers, and it sets up one side of movable block, the mounting bracket, its fixed mounting is in the top surface of safety tongs body, spacing post, it sets up the top surface of mounting bracket, the connecting plate, its fixed mounting is in one side of movable block, wherein, the top of safety tongs body is provided with adjusting part, is used for right the calliper removes and adjusts.

Through adopting above-mentioned technical scheme, through setting up spacing post, spacing post sets up the top surface at the mounting bracket, and then when the staff need remove the calliper and adjust, can be through adjusting the movable block, then carry out spacing fixedly through spacing post to make things convenient for the staff to adjust the calliper.

As a further aspect of the present utility model, the adjusting assembly includes: the safety tongs comprises a connecting plate, a plurality of limiting holes, a plurality of moving holes, a moving hole, a moving groove, a caliper and a safety tongs body, wherein the upper surface of the connecting plate is provided with one of the limiting holes, the inner circular wall surface of the limiting hole and the outer circular wall surface of the limiting column are movably sleeved, the two sides of the moving block are respectively provided with a guide block, the guide blocks are in sliding clamping connection with the caliper, the top surface of the mounting frame is provided with the moving hole, the inner circular wall surface of the moving hole and the outer circular wall surface of the limiting column are movably sleeved, the moving hole is formed in one side of the safety tongs body, the inner circular wall surface of the moving hole and the outer circular wall surface of the connecting plate are movably sleeved, and the inner bottom surface of the moving hole is provided with the limiting groove.

Through adopting above-mentioned technical scheme, through setting up the movable hole, the movable hole is established with the connecting plate movable sleeve, and then when the connecting plate removes, carries out spacingly through the movable hole, after the staff removes movable block and calliper and adjusts, carries out movable sleeve through spacing post and spacing hole and spacing groove and establishes the back, can make the movable block fix.

As a further scheme of the utility model, the top surface of the safety tongs body is provided with a connecting hole, the connecting hole is communicated with the moving hole, the inner circular wall surface of the connecting hole is movably sleeved with the outer circular wall surface of the limiting column, the top end of the limiting column is fixedly provided with a mounting column, the outer circular wall surface of the limiting column is movably sleeved with a tension spring, the top end of the tension spring is fixedly mounted with the bottom end of the mounting column, the outer circular wall surface of the limiting column is fixedly sleeved with a mounting ring, and the top end of the mounting ring is fixedly mounted with the bottom end of the tension spring.

Through adopting above-mentioned technical scheme, through setting up the collar, collar and extension spring fixed mounting, and then loosen again after the staff pulls spacing post, can make spacing post reset through the extension spring.

As a further scheme of the utility model, a moving groove is formed in the inner bottom surface of the safety tongs body, a movable block is fixedly arranged on the bottom surface of the moving block, the movable block is in sliding clamping connection with the moving groove, two threaded holes are formed in two sides of the guide block, two threaded grooves are formed in two sides of the moving block, a first bolt is connected with the internal threads of the threaded grooves, and the first bolt is connected with the internal threads of the threaded holes.

Through adopting above-mentioned technical scheme, through setting up first bolt, first bolt and thread groove threaded connection, and then the staff can dismantle and install the guide block through rotating first bolt, can carry out spacingly when moving the movable block through the movable block.

As a further scheme of the utility model, a friction block is arranged in the safety tongs body, two fixing holes are formed in one side of the inner wall surface of the safety tongs body, a second bolt is movably sleeved on the inner wall surface of the fixing holes, one end of the second bolt is fixedly mounted on one side of the friction block, a spring is movably sleeved on the outer wall surface of the second bolt, one end of the spring is fixedly mounted on one side of the friction block, the other end of the spring is fixedly mounted on one side of the inner wall surface of the safety tongs body, and a nut is connected with the second bolt in a threaded manner.

Through adopting above-mentioned technical scheme, through setting up the second bolt, second bolt and nut threaded connection, and then after the staff removes the regulation to the friction disc, can fix spacingly through rotating the nut.

As a further scheme of the utility model, the inner top surface and the bottom surface of the safety tongs body are respectively provided with a sliding groove, the top surface and the bottom surface of the friction block are respectively fixedly provided with a sliding block, and the sliding blocks are in sliding clamping connection with the sliding grooves.

Through adopting above-mentioned technical scheme, through setting up the sliding block, sliding block and sliding tray slip joint, and then when the friction block removes the regulation, can carry out spacingly to the friction block through the sliding block, avoid producing the skew.

The utility model provides a safety tongs for a hoisting machine, which has the beneficial effects that:

through setting up adjusting part, adjusting part can remove the regulation to the calliper, adjusting part passes through the mounting bracket, spacing post, the connecting plate, extension spring and collar can remove the regulation to the calliper, and then can satisfy the requirement of various application, practicality and flexibility have been improved, simultaneously, this also reduced the cost of maintaining and changing the safety tongs body, safety tongs for the lifting machine is in the in-process of using, through the calliper base, the calliper, the spacing groove, the gag lever post, spring and No. two connecting rods carry out the effect of locking anti-falling, however, this calliper and calliper base can not adjust, this design has led to the safety tongs can't adjust to the lifting machine of different models, can not satisfy the requirement of various application, need match corresponding safety tongs during the use, this has greatly reduced practicality and flexibility, simultaneously, this also has increased the cost of maintaining and changing the safety tongs, through setting up spacing post, and then when the staff need remove the regulation to the calliper, can carry out spacing fixed through adjusting the calliper through the spacing post, thereby make things convenient for the staff to carry out the regulation to the calliper, through setting up and moving the hole, can carry out the clearance hole with the movable sleeve with the movable connection plate, and can carry out the clearance hole after the movable sleeve is moved with the movable connection plate.

Through setting up the collar, collar and extension spring fixed mounting, and then loosen after the spacing post of staff's pulling, can make spacing post reset through the extension spring, through setting up first bolt, first bolt and thread groove threaded connection, and then the staff can dismantle and install the guide block through rotating first bolt, when can remove the movable block through the movable block, it is spacing to carry out, through setting up the second bolt, second bolt and nut threaded connection, and then after the staff removes the regulation to the friction block, can fix spacingly through rotating the nut, through setting up the sliding block, sliding block and sliding groove slip joint, and then when the friction block removes the regulation, can carry out spacingly to the friction block through the sliding block, avoid producing the skew.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an embodiment of the present utility model;

fig. 2 is a schematic diagram of a split structure according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a connection board structure according to an embodiment of the present utility model;

fig. 4 is an enlarged schematic view of a partial structure of fig. 2 a.

In the figure: 1. a safety tongs body; 2. a moving block; 3. a caliper; 4. a mounting frame; 5. a limit column; 6. a connecting plate; 7. a limiting hole; 8. a guide block; 9. a movable hole; 10. a moving hole; 11. a limit groove; 12. a connection hole; 13. a mounting column; 14. a tension spring; 15. a mounting ring; 16. a moving groove; 17. a movable block; 18. a threaded hole; 19. a thread groove; 20. a first bolt; 21. a friction block; 22. a fixing hole; 23. a second bolt; 24. a spring; 25. a nut; 26. a sliding groove; 27. a sliding block.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a safety tongs for a hoist provided by the embodiment of the utility model comprises a safety tongs body 1, the safety tongs body 1 is of an existing structure, the safety tongs body 1 is not repeated at the position, a moving block 2 and a caliper 3 are arranged in the safety tongs body 1, the caliper 3 is of an existing structure, the structure is not repeated at the position, the structure is arranged on one side of the moving block 2, a mounting frame 4 is fixedly connected to the top surface of the safety tongs body 1, a limit cylinder 5 is arranged on the top surface of the mounting frame 4, a connecting plate 6 is fixedly connected to one side of the moving block 2, an adjusting component is arranged above the safety tongs body 1, the limit cylinder 5 is arranged on the top surface of the mounting frame 4, when a worker needs to move and adjust the caliper 3, a connecting hole 12 is formed in the top surface of the safety tongs body 1 through the adjusting moving block 2, the limit cylinder 5, the connecting hole 12 is communicated with the moving hole 10, a tension spring 5 is arranged on the inner circular wall surface of the connecting hole 12, a tension spring 5 is movably arranged on the top end of the mounting frame 14, a tension spring 14 is fixedly connected to the top end of the mounting frame 14 through the tension spring 5, and is fixedly arranged on the top end of the mounting frame 14, and is fixedly connected to the top end of the mounting frame 14 through the tension spring 15, and is fixedly connected to the top end of the mounting frame 14, and is fixedly connected to the top end of the tension cylinder 14 through the tension spring 15.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the inside bottom surface of safety tongs body 1 has been seted up and has been moved groove 16, the bottom surface fixedly connected with movable block 17 of movable block 2, movable block 17 and the slip joint of movable groove 16, two screw holes 18 have all been seted up to the both sides of guide block 8, two screw grooves 19 have all been seted up to the both sides of movable block 2, the inside threaded connection of screw groove 19 has first bolt 20, first bolt 20 is for having the structure and do not doing in here and repeating, first bolt 20 and screw hole 18's inside threaded connection, through setting up first bolt 20, first bolt 20 and screw groove 19 threaded connection, and then the staff can dismantle and install guide block 8 through rotating first bolt 20, when can remove movable block 17 to movable block 2, the limit is provided with friction block 21 to the inside of safety tongs body 1, friction block 21 is for having the structure and do not do here and repeating, two fixed orifices 22 have been seted up to one side of the inner wall surface of safety tongs body 1, the interior wall face movable sleeve of fixed orifices 22 has second bolt 23, second bolt 23 has been equipped with for having the structure and does not do in here and repeating the structure and do not do in the solid state with the spring 23, the second bolt 23 is equipped with one side of the second bolt 23 and is equipped with the end 25 through rotating the second bolt 25 and is connected with the second bolt 25, the end is equipped with the friction block, and is connected with the friction block through the second bolt 25, and is connected with the end through the second bolt 25, and has been connected with the second bolt 25, and has been connected through the second bolt 25.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the sliding tray 26 has been seted up respectively to inside top surface and the bottom surface of safety tongs body 1, the top surface and the bottom surface of clutch block 21 are fixedly connected with sliding block 27 respectively, sliding block 27 and sliding tray 26 slip joint, through setting up sliding block 27, and then when clutch block 21 removes the regulation, can carry out spacing to clutch block 21 through sliding block 27, avoid producing the skew, adjusting part includes a plurality of spacing hole 7, the top surface at connecting plate 6 is all seted up to a plurality of spacing hole 7, the interior wall surface of one of them spacing hole 7 of a plurality of spacing hole 7 and the outer wall surface movable sleeve of spacing cylinder 5 are established, the both sides of clutch block 2 all are provided with guide block 8, guide block 8 and calliper 3 slip joint, movable hole 9 has been seted up to the top surface of mounting bracket 4, the interior wall surface of movable hole 9 and the outer wall surface movable sleeve of spacing cylinder 5 are established, further, moving hole 10 has been seted up to one side of safety tongs body 1, interior wall surface of moving hole 10 and the outer wall surface movable sleeve of spacing cylinder 5 are established, avoid producing the skew, the adjusting part includes a plurality of spacing hole 7 and one side of spacing hole 10 is established through moving hole 10 and moving hole 10, the inside wall surface 10 is established with the movable sleeve of spacing hole 11 and moving hole 11 is established with the movable sleeve 2, after the spacing hole 11 is established with the movable sleeve is fixed with the movable sleeve, the movable sleeve is carried out the movable sleeve 2, the inner wall surface through setting up the movable sleeve 10 and moving hole 10, and the movable sleeve is connected with the movable sleeve 11.

Working principle: referring to fig. 1-4, when in use, a worker can detach and install the guide block 8 by rotating the first bolt 20, when the movable block 2 can be moved by the movable block 17, the movable block 2 is limited, when the lifting mechanism falls, the caliper 3 is triggered to act, the caliper 3 and the friction block 21 are locked on the guide rail of the lifting machine, the lifting mechanism is prevented from falling down, when the worker needs to move and adjust the caliper 3, the movable block 2 can be adjusted, and then the limiting column 5 is used for limiting and fixing, so that the worker can conveniently adjust the caliper 3, when the connecting plate 6 moves, the movable block 2 and the caliper 3 are limited by the movable hole 10, after the worker moves and adjusts the movable block 2 and the movable block 3, the movable block 2 can be fixed by the limiting column 5 and the limiting groove 11, when the worker pulls the limiting column 5 and then loosens, the limiting column 5 can reset by the tension spring 14, after the worker moves and adjusts the friction block 21, the movable block 21 can be fixed and limited by the rotating nut 25, and the sliding block 21 can be prevented from shifting by the sliding block 27.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (6)

1. A safety tongs for a hoist, comprising:

the safety tongs comprise a safety tongs body (1), wherein a moving block (2) is arranged in the safety tongs body (1);

a caliper (3) provided on one side of the moving block (2);

the mounting frame (4) is fixedly arranged on the top surface of the safety tongs body (1);

the limiting column (5) is arranged on the top surface of the mounting frame (4);

a connecting plate (6) fixedly installed at one side of the moving block (2);

wherein, the top of safety tongs body (1) is provided with adjusting part for to calliper (3) are removed and are adjusted.

2. The safety gear for a hoist of claim 1, characterized in that the adjustment assembly includes:

the utility model provides a plurality of spacing hole (7), a plurality of spacing hole (7) all offer the top surface of connecting plate (6), a plurality of spacing hole (7) one of them the interior circular wall face of spacing hole (7) with the outer circular wall face movable sleeve of spacing post (5) is established, the both sides of movable block (2) all are provided with guide block (8), guide block (8) with calliper (3) slip joint, movable hole (9) have been seted up to the top surface of mounting bracket (4), the interior circular wall face of movable hole (9) with the outer circular wall face movable sleeve of spacing post (5) is established, movable hole (10) have been seted up to one side of safety tongs body (1), movable hole (10) inner wall face with the outer circular wall face movable sleeve of connecting plate (3), movable hole (9) have been seted up inside circular wall face (11) of spacing post (5), spacing groove (11) have been established.

3. The safety tongs for a hoisting machine according to claim 2, characterized in that the top surface of the safety tongs body (1) is provided with a connecting hole (12), the connecting hole (12) is communicated with the moving hole (10), the inner circular wall surface of the connecting hole (12) is movably sleeved with the outer circular wall surface of the limiting column (5), the top end of the limiting column (5) is fixedly provided with a mounting column (13), the outer circular wall surface of the limiting column (5) is movably sleeved with a tension spring (14), the top end of the tension spring (14) is fixedly mounted with the bottom end of the mounting column (13), the outer circular wall surface of the limiting column (5) is fixedly sleeved with a mounting ring (15), and the top end of the mounting ring (15) is fixedly mounted with the bottom end of the tension spring (14).

4. Safety tongs for a hoisting machine according to claim 2, characterized in that the inner bottom surface of the safety tongs body (1) is provided with a moving groove (16), the bottom surface of the moving block (2) is fixedly provided with a moving block (17), the moving block (17) is in sliding clamping connection with the moving groove (16), two threaded holes (18) are formed in two sides of the guide block (8), two threaded grooves (19) are formed in two sides of the moving block (2), a first bolt (20) is connected with internal threads of the threaded grooves (19), and the first bolt (20) is connected with internal threads of the threaded holes (18).

5. The safety tongs for a hoisting machine according to claim 1, characterized in that a friction block (21) is arranged in the safety tongs body (1), two fixing holes (22) are formed in one side of the inner wall surface of the safety tongs body (1), a second bolt (23) is movably sleeved on the inner wall surface of the fixing holes (22), one end of the second bolt (23) is fixedly mounted on one side of the friction block (21), a spring (24) is movably sleeved on the outer wall surface of the second bolt (23), one end of the spring (24) is fixedly mounted on one side of the friction block (21), the other end of the spring (24) is fixedly mounted on one side of the inner wall surface of the safety tongs body (1), and a nut (25) is in threaded connection with the second bolt (23).

6. The safety tongs for a hoisting machine according to claim 5, wherein sliding grooves (26) are respectively formed in the top surface and the bottom surface of the safety tongs body (1), sliding blocks (27) are respectively fixedly arranged on the top surface and the bottom surface of the friction block (21), and the sliding blocks (27) are in sliding clamping connection with the sliding grooves (26).