CN219279316U

CN219279316U - Stop buffer structure of crane

Info

Publication number: CN219279316U
Application number: CN202321377379.9U
Authority: CN
Inventors: 钱文俊
Original assignee: Henan Heavy Industry Lifting Supporting Equipment Co ltd
Current assignee: Henan Heavy Industry Lifting Supporting Equipment Co ltd
Priority date: 2023-06-01
Filing date: 2023-06-01
Publication date: 2023-06-30
Anticipated expiration: 2033-06-01

Abstract

The utility model discloses a stop buffer structure of a crane, and relates to the technical field of hoisting equipment. The utility model comprises a movable cylinder, a movable piston, a movable rod and a connecting pipe, wherein the movable cylinder is movably connected with the movable piston, the movable piston is movably connected with the movable rod, one end of the movable piston is fixed with the connecting pipe, and the movable rod is movably connected in the connecting pipe. The utility model solves the problems that the buffer effect of the buffer structure is limited and the impacted workpiece is easy to damage when the buffer structure contacts the corresponding impacted workpiece by arranging the movable cylinder, the movable piston, the movable rod and the connecting pipe, and has the advantages that: the buffer structure has better buffering effect, and can better protect the impacted workpiece when contacting the corresponding impacted workpiece.

Description

Stop buffer structure of crane

Technical Field

The utility model belongs to the technical field related to hoisting equipment, and particularly relates to a stop buffer structure of a crane.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, also called crown block, aerial crane and crane, and the hoisting equipment has the working characteristics of intermittent motion, namely corresponding mechanisms for taking materials, moving, unloading and the like in one working cycle are alternately operated, the crane is more and more widely developed and used in the market, and in the using process, in order to prevent the corresponding crane from impacting on a corresponding structure, the impact is more likely to be damaged, so that the crane needs to be buffered by a buffering structure, but the crane still has the following defects in actual use:

1. the buffer structure directly buffers through a single-step buffer structure when in operation, the buffer effect is limited in the buffer process when in operation, the buffer effect is limited when in operation, and the protection of the crane is limited;

2. the buffer structure directly buffers the crane through being installed on the corresponding crane, but the impact is larger when the corresponding structure contacts an impacted object, and the workpiece impacted by the crane is damaged when the buffer structure works, so that the buffer structure is inconvenient to use.

Disclosure of Invention

The utility model aims to provide a stop buffer structure of a crane, which solves the problems that the buffer effect of the buffer structure is limited and the impacted workpiece is easy to damage when the buffer structure contacts the corresponding impacted workpiece by arranging a movable cylinder, a movable piston, a movable rod and a connecting pipe.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a stop buffer structure of a crane, which comprises a movable cylinder, a movable piston, a movable rod and a connecting pipe, wherein the movable cylinder is internally and movably connected with the movable piston, the movable rod is movably connected with the movable piston, one end of the movable piston is fixedly connected with the connecting pipe, the movable rod is movably connected with the connecting pipe, the movable piston, the movable rod and the connecting pipe are connected in the connecting pipe through the movable cylinder when in operation, corresponding impact is primarily absorbed through the movable piston when in operation, the positions of the connecting pipe and hydraulic oil are changed when in operation through the movable rod, and the corresponding impact is absorbed.

Further, one end of the movable cylinder is fixed with a mounting plate, mounting holes are formed in four corners of the mounting plate in a penetrating mode, and the movable cylinder is movably connected with corresponding mounting bolts through the mounting holes in the mounting plate.

Further, one end of the circumference side of the movable cylinder, which is close to the mounting plate, is fixedly communicated with an air outlet pipe, a top hole is formed in the top end of the air outlet pipe, and when the movable cylinder works, air in the movable cylinder is discharged through the top hole on the air outlet pipe.

Further, the movable hole is formed in the center of the inside of the moving piston in a penetrating mode, a pressure spring is fixed at one end, close to the mounting plate, of the moving piston, the mounting plate is fixed at one end, far away from the moving piston, of the pressure spring, and the moving piston can reset through the pressure spring when in operation.

Further, the movable rod is movably connected in a movable hole in the movable piston, a connecting disc is fixed at one end of the movable rod, which is close to the mounting plate, and when the movable rod works, the movable rod is released through the limitation of the connecting disc, so that the contact position between the movable rod and the mounting plate is increased.

Further, one end swing joint that the mounting panel was kept away from to the connecting pipe inner wall has the movable disk, be fixed with the separation dish on the connecting pipe inner wall between movable disk and the movable rod tip, the transport hole has been offered in a mouthful link up to separation dish inside central axis, the one end that the connecting pipe kept away from the motion piston is fixed with the contact floppy disk, and the connecting pipe is at the during operation, through the movable disk during the motion, compressed air, absorbs the impact.

The utility model has the following beneficial effects:

1. the utility model solves the problem that the buffering effect of the buffering structure is limited by arranging the movable cylinder, the movable piston, the movable rod and the connecting pipe, when the corresponding crane works, the structure which is in collision contacts with the flexible disc firstly, the corresponding impact is absorbed firstly, then the structure is transmitted to the movable piston through the connecting pipe, the position of the movable piston in the movable cylinder is changed, at the moment, the air in the movable cylinder between the movable piston and the mounting plate is guided into the air outlet pipe and is guided out through the top hole, a certain amount of energy is absorbed, and at the same time, the movable rod contacts with the mounting plate through the connecting disc and is then inserted into the connecting pipe, then hydraulic damping is generated when the hydraulic oil between the separation disc and the movable rod in the connecting pipe is extruded and passes through the conveying hole in the separation disc, the impact is absorbed, the position of the movable disc is changed, the corresponding impact is absorbed, the buffering effect of the buffering structure is better when the crane is used, and the corresponding crane is prevented from being damaged better.

2. The utility model solves the problem that the impact workpiece is easy to damage when the buffer structure contacts the corresponding impact workpiece by arranging the connecting pipe, and protects the corresponding impact workpiece by contacting the flexible disk when the corresponding position of the crane provided with the movable cylinder impacts the corresponding workpiece during working, thereby better protecting the impacted workpiece.

Drawings

FIG. 1 is a cross-sectional perspective view of an assembled structure of a stop buffer structure of a crane;

FIG. 2 is a perspective view of a movable barrel structure;

FIG. 3 is a perspective view of a moving piston structure;

FIG. 4 is a perspective view of a movable rod structure;

fig. 5 is a cross-sectional perspective view of the structure of the connection pipe.

Reference numerals:

1. a movable cylinder; 101. an air outlet pipe; 102. a top hole; 103. a mounting plate; 104. a mounting hole; 2. a moving piston; 201. a movable hole; 202. a pressure spring; 3. a movable rod; 301. a connecting disc; 4. a connecting pipe; 401. a separation plate; 402. a delivery hole; 403. a movable plate; 404. contacting the floppy disk.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-5, the utility model discloses a stop buffer structure of a crane, which comprises a movable cylinder 1, a movable piston 2, a movable rod 3 and a connecting pipe 4, wherein the movable cylinder 1 is internally and movably connected with the movable piston 2, the movable rod 3 and the connecting pipe 4 are movably connected in the movable cylinder 1, a certain amount of air is limited in the movable cylinder 2 when the movable cylinder 1 works through the movable piston 2, the movable rod 3 is movably connected in the movable piston 2 when the movable cylinder 1 works, one end of the movable piston 2 is fixedly connected with the connecting pipe 4, the movable rod 3 is movably connected in the connecting pipe 4, the movable rod 3 is pressed into the connecting pipe 4 when the movable rod 3 works, and corresponding hydraulic oil is extruded in the connecting pipe 4 to move so as to enable corresponding impact to be absorbed.

As shown in fig. 1 and 2, one end of the movable cylinder 1 is fixed with a mounting plate 103, four corners of the mounting plate 103 are all provided with mounting holes 104 in a penetrating manner, and when the movable cylinder 1 works, the corresponding mounting bolts are movably connected through the mounting holes 104 on the mounting plate 103 and are screwed to corresponding positions of the crane, so that the movable cylinder 1 is mounted on the corresponding positions.

As shown in fig. 1 and 2, one end, close to the mounting plate 103, of the circumference of the movable cylinder 1 is fixedly communicated with an air outlet pipe 101, a top hole 102 is formed in the top end of the air outlet pipe 101, and when the movable cylinder 1 works, the movable piston 2 moves through the top hole 102 on the air outlet pipe 101 to cause the balance of air pressure and atmospheric pressure in a space between the movable piston 2 and the mounting plate 103.

As shown in fig. 1-3, a movable hole 201 is formed in the center of the inside of the moving piston 2, a pressure spring 202 is fixed at one end of the moving piston 2, which is close to the mounting plate 103, a mounting plate 103 is fixed at one end of the pressure spring 202, which is far away from the moving piston 2, and the moving piston 2 is reset in the movable cylinder 1 through the pressure spring 202 when the moving piston 2 works.

As shown in fig. 1 and 4, the movable rod 3 is movably connected in a movable hole 201 in the movable piston 2, one end of the movable rod 3, which is close to the mounting plate 103, is fixed with a connecting disc 301, and the movable rod 3 is movably connected with the movable rod 3 through the movable hole 201 when in operation, and is contacted with the mounting plate 103 through the connecting disc 301, so that the mounting plate 103 is prevented from being impacted greatly when in operation.

As shown in fig. 1 and 5, one end of the inner wall of the connecting pipe 4 away from the mounting plate 103 is movably connected with a movable plate 403, a separation plate 401 is fixed on the inner wall of the connecting pipe 4 between the movable plate 403 and the end part of the movable rod 3, a conveying hole 402 is formed in the inner central axis of the separation plate 401 in a penetrating manner, a contact floppy disk 404 is fixed at one end of the connecting pipe 4 away from the moving piston 2, hydraulic oil used in the connecting pipe 4 is sealed through the movable plate 403 when the connecting pipe 4 works, and after the hydraulic oil can absorb impact when in use, the hydraulic oil is led into the connecting pipe 4 between the separation plate 401 and the movable plate 403 and is contacted with a corresponding structure through the contact floppy disk 404, so that the corresponding impact is absorbed.

The specific working principle of the utility model is as follows: when the movable cylinder 1 works, firstly, the mounting plate 103 at one end of the movable cylinder 1 is placed at the corresponding mounting position of the corresponding crane, the corresponding mounting bolt is inserted into the mounting hole 104 and screwed into the corresponding mounting position, so that the movable cylinder 1 is mounted at the corresponding position, when the corresponding crane works, the corresponding structure is impacted, firstly, the structure contacted with the flexible disc 404 is contacted, firstly, corresponding impact is absorbed, then the structure is transferred to the movable piston 2 through the connecting tube 4, the position of the movable piston 2 in the movable cylinder 1 is changed, at the moment, air in the movable cylinder 1 between the movable piston 2 and the mounting plate 103 is led into the air outlet tube 101, and then is led out through the top hole 102, a certain amount of energy is absorbed, during the working process, the movable rod 3 is contacted with the mounting plate 103 through the connecting disc 301 and then is inserted into the connecting tube 4, then hydraulic oil between the separating disc 401 and the movable rod 3 is extruded, when the hydraulic oil passes through the conveying hole 402 in the separating disc 401, the position of the movable disc 403 is changed, the corresponding impact is absorbed, after the working is completed, the movable disc 403 is reset under the action of the air pressure between the movable disc 403 and the end of the connecting tube 4.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. The utility model provides a stop buffer structure of hoist, includes movable cylinder (1), motion piston (2), movable rod (3) and connecting pipe (4), its characterized in that: the movable cylinder (1) is internally and movably connected with a movable piston (2), the movable piston (2) is internally and movably connected with a movable rod (3), one end of the movable piston (2) is fixedly provided with a connecting pipe (4), and the movable rod (3) is movably connected in the connecting pipe (4).

2. The stop buffer structure of a crane according to claim 1, wherein: one end of the movable cylinder (1) is fixed with a mounting plate (103), and four corners of the mounting plate (103) are all provided with mounting holes (104) in a penetrating mode.

3. The stop buffer structure of a crane according to claim 2, wherein: one end of the circumference side of the movable cylinder (1) close to the mounting plate (103) is fixedly communicated with an air outlet pipe (101), and a top hole (102) is formed in the top end of the air outlet pipe (101).

4. The stop buffer structure of a crane according to claim 2, wherein: the movable piston is characterized in that a movable hole (201) is formed in the center of the inside of the movable piston (2) in a penetrating mode, a pressure spring (202) is fixed at one end, close to the mounting plate (103), of the movable piston (2), and the mounting plate (103) is fixed at one end, far away from the movable piston (2), of the pressure spring (202).

5. The stop buffer structure of a crane according to claim 2, wherein: the movable rod (3) is movably connected in a movable hole (201) in the movable piston (2), and a connecting disc (301) is fixed at one end of the movable rod (3) close to the mounting plate (103).

6. The stop buffer structure of a crane according to claim 1, wherein: one end swing joint that mounting panel (103) was kept away from to connecting pipe (4) inner wall has movable dish (403), be fixed with on connecting pipe (4) inner wall between movable dish (403) and movable rod (3) tip and separate dish (401), separate the inside central axis of dish (401) and link up and seted up delivery hole (402), one end that moving piston (2) was kept away from to connecting pipe (4) is fixed with contact floppy disk (404).