CN220432082U

CN220432082U - Buffering device of crane

Info

Publication number: CN220432082U
Application number: CN202322126039.5U
Authority: CN
Inventors: 洪金彦
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-02-02
Anticipated expiration: 2033-08-09

Abstract

The utility model discloses a buffer device of a crane, which comprises: the left end and the right end of the guide rail are respectively fixed at the top part between the opposite sides of the support column, and a crane trolley is arranged on the guide rail; the mounting plates are detachably mounted at the top of the support column, the inside of the mounting plates is sleeved and fixed with a sleeve seat, an air pressure cavity is formed in the sleeve seat, air chambers are respectively formed in the upper side and the lower side of the mounting plates, which are positioned on the sleeve seat, the air pressure cavity and the air chamber are communicated, and a piston is movably sleeved in the air pressure cavity; the pair of movable sleeves are respectively and movably sleeved on the opposite side end parts of the two sets of connecting seats, are fixedly connected with the connecting seats through elastic telescopic structures, and are fixedly provided with buffer plates which are connected with the piston. Compared with the prior art, the method has the advantages that: the utility model discloses a be provided with the atmospheric pressure chamber, can carry out further buffering through atmospheric pressure on the basis that uses the spring to cushion, avoid the spring to receive whole impact force to can increase of service life.

Description

Buffering device of crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a buffer device of a crane.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, and the working characteristic of the crane is that the crane does intermittent motion, namely, corresponding mechanisms of taking, moving, unloading and other actions in one working cycle work alternately, and the crane is increasingly widely developed and used in the market. The bridge crane trolley is arranged on the crane girder, a hook is arranged below the crane trolley, and the trolley walks on the crane girder to realize the object lifting by the hook. Because the dead weight of the crane trolley is large, the crane trolley can continue to slide forwards after being braked due to the action of inertia, the crane trolley can easily collide with end beams on two sides of the main beam, the damage of the limiting device is easy to cause, the trolley is damaged, and therefore, a buffer device is required to be arranged for buffer protection of the crane.

The existing buffer device for the crane is mainly used for buffering the crane trolley only through a spring structure, after the buffer device is used for a long time, the crane trolley collides with the buffer device for many times, the spring structure can bear larger impact, the spring structure stretches repeatedly, the elastic buffer effect can be weakened gradually, and the service life of the buffer device is short.

Disclosure of Invention

The utility model aims to solve the technical problems and provide the buffer device of the crane, which can prolong the service life of the buffer device.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

a buffering device of a crane, comprising:

the left end and the right end of the guide rail are respectively fixed at the top between the opposite sides of the support column, and a crane trolley is movably arranged on the guide rail along the guide rail;

the two mounting plates are detachably mounted at the top between the opposite sides of the support column, the sleeve seat is fixedly sleeved in the mounting plates, an air pressure cavity is formed in the sleeve seat, air chambers are respectively formed in the upper side and the lower side of the mounting plates, which are located on the sleeve seat, the air pressure cavity and the air chambers are communicated, and a piston is movably sleeved in the air pressure cavity;

the two movable sleeves are respectively and movably sleeved on the opposite side end parts of the two sets of connecting seats, the two movable sleeves are fixedly connected with the connecting seats through elastic telescopic structures, the opposite side end parts of the two movable sleeves are fixedly provided with buffer plates, and the buffer plates are connected with the piston.

As an improvement, the mounting plate is mounted and fixed on the top of the support column through a plurality of bolts.

As an improvement, one side of the air pressure cavity, which is close to the mounting plate, is transversely penetrated and provided with an air outlet hole, the fixed end part of the sleeve seat is vertically provided with an air inlet hole communicated with the air outlet hole, and the upper end and the lower end of the air inlet hole are respectively communicated with the inside of the air chambers at the upper side and the lower side. When the piston moves in the air pressure cavity, the air in the air pressure cavity can be discharged into the two air chambers.

As an improvement, one side of the buffer plate, which is close to the sleeve seat, is fixedly connected with the piston through a push rod, and the push rod movably penetrates through one side of the air pressure cavity. When the buffer plate is impacted by the crane trolley, the piston can be pushed by the push rod to move in the air pressure cavity, and air in the air pressure cavity is extruded.

As an improvement, the elastic telescopic structure comprises a plurality of springs uniformly fixed between the buffer plate and the sleeving seat, wherein one spring is sleeved on the push rod. When the cushion plate is impacted, the spring can generate opposite cushion force to the cushion plate.

As an improvement, the piston plate has been cup jointed in the inside activity of air chamber, one side that the piston plate is close to the buffer plate is connected and is fixed with the buffer rod, the buffer rod activity runs through one side of air chamber, and the unfixed end is fixed with the rubber piece, leave the interval between rubber piece and the buffer plate, and the interval is less than the buffer plate and cup joints the distance between the seat. After the buffer plate is impacted, the piston pushes and extrudes the gas in the gas pressure cavity into the two gas chambers, so that the piston plate inside the two gas chambers can be correspondingly pushed and moved, the two buffer rods can move, and the rubber block can reversely push the buffer plate.

As an improvement, rubber buffer pads are arranged on opposite sides of the two buffer plates, and rubber plates are respectively fixed on the left side and the right side of the crane trolley. Hard contact of the crane trolley and the buffer plate can be avoided.

Compared with the prior art, the utility model has the advantages that: the utility model discloses a be provided with the atmospheric pressure chamber, can carry out further buffering through atmospheric pressure on the basis that uses the spring to cushion, avoid the spring to receive whole impact force to can increase of service life.

Drawings

Fig. 1 is a schematic front view of a buffering device of a crane according to the present utility model.

Fig. 2 is an enlarged schematic view of the buffering device of the crane of fig. 1.

As shown in the figure: 1. a guide rail; 2. a support column; 3. a crane trolley; 4. a mounting plate; 5. a socket is sleeved; 6. an air pressure chamber; 7. a gas chamber; 8. a piston; 9. a movable sleeve; 10. a buffer plate; 11. an air outlet hole; 12. an air inlet hole; 13. a push rod; 14. a spring; 15. a piston plate; 16. a buffer rod; 17. a rubber block; 18. a rubber cushion pad; 19. a rubber plate.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.

The present utility model will be described in further detail with reference to the accompanying drawings.

A buffering device of a crane, comprising:

the left end and the right end of the guide rail 1 are respectively fixed at the top between the opposite sides of the support column 2, and a crane trolley 3 is movably arranged on the guide rail 1 along the guide rail 1.

A pair of mounting plates 4 are removably mounted on top between opposite sides of the support column 2. Specifically, the mounting plate 4 is mounted and fixed on the top of the support column 2 through a plurality of bolts.

The inside of mounting panel 4 cup joints and is fixed with cover seat 5, the inside of cup jointing seat 5 is provided with atmospheric pressure chamber 6, the upper and lower both sides that are located cover seat 5 of mounting panel 4 are provided with air chamber 7 respectively, atmospheric pressure chamber 6 and air chamber 7 are linked together, just piston 8 has been cup jointed in the inside activity of atmospheric pressure chamber 6. Specifically, the air outlet hole 11 has been transversely offered to the one side that the atmospheric pressure chamber 6 is close to mounting panel 4, cup joint the fixed tip of seat 5 and vertically offered the inlet port 12 that is linked together with air outlet hole 11, the upper and lower both ends of inlet port 12 are respectively in the inside of the air chamber 7 of upper and lower both sides.

The pair of movable sleeves 9 are respectively and movably sleeved on the opposite side end parts of the two sleeve seats 5 and are fixedly connected with the sleeve seats 5 through elastic telescopic structures, the opposite side end parts of the two movable sleeves 9 are fixedly provided with buffer plates 10, and the buffer plates 10 are connected with the pistons 8. Specifically, one side of the buffer plate 10, which is close to the sleeve seat 5, is fixedly connected with the piston 8 through a push rod 13, and the push rod 13 movably penetrates through one side of the air pressure cavity 6. Specifically, the elastic telescopic structure comprises a plurality of springs 14 uniformly fixed between the buffer plate 10 and the sleeve joint seat 5, wherein one spring 14 is sleeved on the push rod 13. Specifically, rubber cushion pads 18 are provided on opposite sides of the two buffer boards 10, and rubber boards 19 are respectively fixed to the left and right sides of the crane trolley 3.

Specifically, the piston plate 15 has been cup jointed in the inside activity of air chamber 7, one side that piston plate 15 is close to buffer plate 10 is connected and is fixed with buffer rod 16, buffer rod 16 activity runs through one side of air chamber 7, and the unsecured end is fixed with rubber piece 17, leave the interval between rubber piece 17 and the buffer plate 10, and the interval is less than the buffer plate 10 and cup joints the distance between the seat 5.

The utility model is implemented in particular:

as shown in fig. 1, the crane trolley 3 can move on the guide rail 1, when moving to the end of the guide rail 1, the buffer plate 10 can be impacted due to inertia, as shown in fig. 2, after the buffer plate 10 is impacted, the movable sleeve 9 can be driven to move on the sleeve joint seat 5, the spring 14 is extruded, the spring 14 can generate opposite thrust to the buffer plate 10, the impact to the buffer plate 10 is buffered, the buffer plate 10 can push the piston 8 to move in the air pressure cavity 6 through the push rod 13, the air in the air pressure cavity 6 can be extruded, the air can generate opposite thrust to the piston 8, the buffer plate 10 is further buffered, the impact to the spring 14 can be shared, the air can be pushed into the two air chambers 7, the two piston plates 15 can be pushed to move, the two buffer rods 16 can move, the rubber block 17 can move to push the buffer plate 10 in the opposite direction, the impact to the buffer plate 10 is buffered again, and a good buffering effect is achieved.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. A buffering device of a crane, comprising:

the left end and the right end of the guide rail (1) are respectively fixed at the top between the opposite sides of the support column (2), and a crane trolley (3) is movably arranged on the guide rail (1) along the guide rail (1);

the pair of mounting plates (4) are detachably mounted at the top between opposite sides of the supporting columns (2), a sleeve seat (5) is sleeved and fixed in the mounting plates (4), an air pressure cavity (6) is formed in the sleeve seat (5), air chambers (7) are respectively arranged on the upper side and the lower side of the mounting plates (4) which are positioned on the sleeve seat (5), the air pressure cavity (6) is communicated with the air chambers (7), and a piston (8) is movably sleeved in the air pressure cavity (6);

the pair of movable sleeves (9) are respectively and movably sleeved on the opposite side end parts of the two sets of connecting seats (5), are fixedly connected with the connecting seats (5) through elastic telescopic structures, the opposite side end parts of the two movable sleeves (9) are fixedly provided with buffer plates (10), and the buffer plates (10) are connected with the pistons (8).

2. A crane buffer device according to claim 1, characterized in that: the mounting plate (4) is fixedly mounted on the top of the support column (2) through a plurality of bolts.

3. A crane buffer device according to claim 1, characterized in that: one side of the air pressure cavity (6) close to the mounting plate (4) is transversely penetrated and provided with an air outlet hole (11), the fixed end part of the sleeve joint seat (5) is vertically provided with an air inlet hole (12) communicated with the air outlet hole (11), and the upper end and the lower end of the air inlet hole (12) are respectively communicated with the inside of the air chambers (7) at the upper side and the lower side.

4. A crane buffer device according to claim 1, characterized in that: one side of the buffer plate (10) close to the sleeve seat (5) is fixedly connected with the piston (8) through a push rod (13), and the push rod (13) movably penetrates through one side of the air pressure cavity (6).

5. A crane buffer device according to claim 1, characterized in that: the elastic telescopic structure comprises a plurality of springs (14) which are uniformly fixed between the buffer plate (10) and the sleeving seat (5), and one spring (14) is sleeved on the push rod (13).

6. A crane buffer device according to claim 1, characterized in that: the inside activity of air chamber (7) has cup jointed piston board (15), one side that piston board (15) is close to buffer board (10) is connected and is fixed with buffer rod (16), one side that buffer rod (16) activity run through air chamber (7), and the unsecured end is fixed with rubber piece (17), leave the interval between rubber piece (17) and buffer board (10), and the interval is less than the buffer board (10) and cup joints the distance between seat (5).

7. A crane buffer device according to claim 1, characterized in that: rubber buffer pads (18) are arranged on opposite side surfaces of the two buffer plates (10), and rubber plates (19) are respectively fixed on the left side and the right side of the crane trolley (3).