CN212893521U

CN212893521U - Bridge crane buffer stop

Info

Publication number: CN212893521U
Application number: CN202021237550.2U
Authority: CN
Inventors: 孙科; 胡科东; 岑琪; 胡群威
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-04-06
Anticipated expiration: 2030-06-29

Abstract

The utility model provides a bridge crane buffer stop. Bridge crane buffer stop includes the mounting panel, the shake reducing mechanism, buffer board and gasbag, fixed mounting has two symmetric distribution's mounting bracket on the mounting panel, the mounting groove has all been seted up on the preceding terminal surface of mounting bracket, install the shake reducing mechanism in the mounting groove, the shake reducing mechanism includes the inflator, the piston rod, fixed lantern ring and spring, the inflator is installed in the mounting groove, and install the piston in the inflator, the one end of piston rod is inserted and is established to the inflator and be connected with the piston in and, and the other end of piston rod extends out the inflator and installs the skid-proof cap, fixed the cup joint has the fixed lantern ring on the inflator, the spring concatenates on the piston rod, the both ends of buffer board respectively with two shake reducing mechanism go up the skid-proof cap fixed connection of piston rod top installation. The utility model provides a bridge crane buffer stop has the great advantage of rubber buffer block loss on the reduction current hoist.

Description

Bridge crane buffer stop

Technical Field

The utility model relates to an engineering machine tool technical field especially relates to a bridge crane buffer stop.

Background

The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment.

And when the hoist moved to the stroke end, the rubber buffer block on the hoist collided with spacing equipment on the track mutually, alleviated the reaction force that produces when spacing equipment took place to effectual protection and avoid colliding the harm that causes hoist own equipment and bearing structure, present hoist all was direct to collide with the rubber buffer block and realize the buffering, and such buffering setting is very big to the harm of rubber buffer block.

Therefore, it is necessary to provide a collision-prevention device for a bridge crane to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a reduce the great bridge crane buffer stop of rubber buffer block loss on current hoist.

The utility model provides a bridge crane buffer stop includes: the mounting panel, the shake reduction mechanism, buffer board and gasbag, fixed mounting has two symmetric distribution's mounting bracket on the mounting panel, the mounting groove has all been seted up on the preceding terminal surface of each mounting bracket, all install the shake reduction mechanism in the mounting groove that each mounting bracket was seted up, and shake reduction mechanism includes the inflator, the piston rod, fixed lantern ring and spring, inflator fixed mounting is in the mounting groove, and install sliding connection's piston in the inflator, the one end of piston rod is inserted and is established to the inflator in and with piston fixed connection, and the other end of piston rod extends out the inflator and fixed mounting has the anti-skidding cap, the fixed lantern ring that has cup jointed on the section of thick bamboo wall that the inflator is close to the opening part, the spring concatenates on the piston rod, the both ends of buffer board respectively with two shake reduction mechanism go up the anti-skidding.

Preferably, one end of the spring is fixedly connected with the outer annular wall of the fixed lantern ring, and the other end of the spring is fixedly connected with the inner cap wall of the anti-skid cap on the piston rod.

Preferably, the baffle fixing frame is arranged between the two mounting frames, the baffle is close to the rear end face of the mounting frames, the air bag is fixedly embedded on the baffle, and the two air ports on the back face of the air bag are fixedly connected with the connecting air ports on the rear end faces of the air cylinders on the two vibration reduction mechanisms through two elastic hoses.

Preferably, the air bag is filled with a proper amount of nitrogen, and the front end face of the air bag is positioned 2-4cm behind the fixed lantern ring.

Preferably, the inner wall of the buffer plate is fixedly embedded with the pressure head, and the front end face of the buffer plate is fixedly embedded with the rubber pad.

Preferably, the cartridge is filled with a sufficient amount of nitrogen gas.

Compared with the prior art, the utility model provides a bridge crane buffer stop has following beneficial effect:

1. when the crane slides to the terminal of the track, the rubber buffer block on the crane pushes the buffer plate to enable the piston rod to slide along the air cylinder, and meanwhile, the spring can relieve the direct collision between the crane and the rubber buffer block through deformation, so that the shock reducing mechanism can play a good role in protecting the rubber buffer block, the damage to the rubber buffer block is avoided, and the utilization rate of the rubber buffer block is improved;

2. the utility model discloses when the piston rod slided into the inflator and promoted the piston, injected the gasbag with the nitrogen gas in the inflator through flexible hose, made the expanded degree of gasbag better, and thereby along with the internal slip pressure head pressfitting gasbag of buffer board, further improved hoist buffering effect, reduced hoist and the epaxial stop gear degree of bumping and the friction dynamics of having.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of an anti-collision device for a bridge crane according to the present invention;

FIG. 2 is a schematic structural diagram of the seismic mitigation mechanism shown in FIG. 1;

fig. 3 is a schematic view of the back structure shown in fig. 1.

Reference numbers in the figures: 1. the damping device comprises a mounting plate, 2, a mounting frame, 3, a damping mechanism, 31, an air cylinder, 32, a piston rod, 33, a fixing lantern ring, 34, a spring, 4, a mounting groove, 5, a buffer plate, 6, a baffle, 7, an air bag, 8, an elastic hose, 9 and a pressure head.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of an anti-collision device for a bridge crane according to the present invention; FIG. 2 is a schematic structural diagram of the seismic mitigation mechanism shown in FIG. 1; fig. 3 is a schematic view of the back structure shown in fig. 1. Bridge crane buffer stop includes: the damping device comprises a mounting plate 1, a damping mechanism 3, a buffer plate 5 and an air bag 7.

In the specific implementation process, as shown in fig. 1 and 2, two symmetrically distributed mounting frames 2 are fixedly mounted on a mounting plate 1, a mounting groove 4 is formed on the front end surface of each mounting frame 2, the damping mechanism 3 is arranged in the mounting groove 4 arranged on each mounting frame 2, the damping mechanism 3 comprises an air cylinder 31, a piston rod 32, a fixed lantern ring 33 and a spring 34, the air cylinder 31 is fixedly arranged in the mounting groove 4, and a piston slidably connected is installed in the cylinder 31, one end of the piston rod 32 is inserted into the cylinder 31 and fixedly connected with the piston, the other end of the piston rod 32 extends out of the air cylinder 31 and is fixedly provided with an anti-slip cap, the cylinder wall of the air cylinder 31 close to the opening is fixedly sleeved with a fixed lantern ring 33, a spring 34 is connected on the piston rod 32 in series, and the two ends of the buffer plate 5 are respectively fixedly connected with the anti-skid caps arranged on the tops of the piston rods 32 on the two shock reducing mechanisms 3.

It should be noted that: install mounting panel 1 at orbital stroke end through screw fixed mounting, when the hoist slided orbital terminal, the rubber buffer block on the hoist promoted buffer board 5 and makes piston rod 32 slide along inflator 31 in, and simultaneously spring 34 also can alleviate the direct clash with rubber buffer block 15 of hoist through deformation, consequently the mechanism 3 that shakes can play fine guard action to rubber buffer block, has avoided the harm to rubber buffer block, has improved rubber buffer block's the rate of utilization.

One end of the spring 34 is fixedly connected with the outer annular wall of the fixed lantern ring 33, and the other end of the spring 34 is fixedly connected with the inner cap wall of the anti-slip cap on the piston rod 32, so that the phenomenon that the spring 34 jumps along the piston rod 32 is avoided.

Referring to fig. 1 and 3, the air bag 7 is installed between the two installation frames 2 through the baffle 6, the baffle 6 is fixedly arranged between the two installation frames 2, the baffle 6 is close to the rear end face of the installation frame 2, the air bag 7 is fixedly embedded on the baffle 6, two air ports on the back face of the air bag 7 are respectively and fixedly connected with connecting air ports on the rear end face of an air cylinder 31 on the two shock absorbing mechanisms 3 through two elastic hoses 8, the air bag 7 is filled with a proper amount of nitrogen, the front end face of the air bag 7 is 2-4cm behind a fixed lantern ring 33, the air cylinder 31 is filled with a sufficient amount of nitrogen, a pressure head 9 is fixedly embedded on the inner wall of the buffer plate 5, and a rubber pad is fixedly embedded on the front end face of.

It should be noted that: when the piston rod 32 slides into the air cylinder 31 and pushes the piston, nitrogen in the air cylinder 31 is injected into the air bag 7 through the elastic hose 8, so that the expansion degree of the air bag 7 is better, and the pressure head 9 presses the air bag 7 along with the inner sliding of the buffer plate 5, so that the buffer effect of the crane is further improved, and the collision degree and the friction force between the crane and a limiting mechanism on a track are reduced.

The utility model provides a bridge crane buffer stop's theory of operation as follows:

the mounting plate 1 is fixedly mounted at the stroke end of the track through screws, and when the crane slides to the terminal end of the track, the rubber bumper on the crane pushes the bumper plate 5 so that the piston rod 32 slides along the cylinder 31, at the same time, the spring 34 can also relieve the collision of the crane and the rubber buffer block 15 directly through deformation, therefore, the shock reducing mechanism 3 can play a good role in protecting the rubber buffer block, avoid the damage to the rubber buffer block, improve the utilization rate of the rubber buffer block, when the piston rod 32 is slid into the air tube 31 and pushes the piston, nitrogen gas in the air tube 31 is injected into the air bag 7 through the elastic hose 8, so that the degree of expansion of the air bag 7 is more preferable, thereby along with the internal slip of buffer board 5 pressure head 9 pressfitting gasbag 7, further improved hoist buffering effect, reduced the stop gear on hoist and the track degree of colliding and the friction dynamics.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims

1. A bridge crane buffer stop, its characterized in that includes:

the mounting plate (1) is fixedly provided with two symmetrically distributed mounting frames (2), and the front end face of each mounting frame (2) is provided with a mounting groove (4);

the damping mechanism (3) is installed in a mounting groove (4) formed in each mounting frame (2), the damping mechanism (3) comprises an air cylinder (31), a piston rod (32), a fixed sleeve ring (33) and a spring (34), the air cylinder (31) is fixedly installed in the mounting groove (4), a piston is installed in the air cylinder (31) and is in sliding connection, one end of the piston rod (32) is inserted into the air cylinder (31) and is fixedly connected with the piston, the other end of the piston rod (32) extends out of the air cylinder (31) and is fixedly provided with an anti-slip cap, the fixed sleeve ring (33) is fixedly sleeved on the wall of the air cylinder (31) close to the opening, and the spring (34) is connected to the piston rod (32) in series;

the two ends of the buffer plate (5) are fixedly connected with anti-skidding caps arranged at the tops of piston rods (32) on the two shock-reducing mechanisms (3) respectively;

the air bag (7), the air bag (7) is installed between the two installation frames (2) through the baffle (6).

2. The bridge crane collision avoidance device according to claim 1, wherein one end of the spring (34) is fixedly connected to the outer annular wall of the fixed collar (33), and the other end of the spring (34) is fixedly connected to the inner cap wall of the anti-slip cap on the piston rod (32).

3. The bridge crane collision avoidance device according to claim 1, wherein the baffle (6) is fixed between the two mounting frames (2), the baffle (6) is close to the rear end face of the mounting frame (2), the air bag (7) is fixedly embedded on the baffle (6), and the two air ports on the back of the air bag (7) are respectively and fixedly connected with the connecting air ports on the rear end faces of the air cylinders (31) on the two shock reducing mechanisms (3) through two elastic hoses (8).

4. The bridge crane collision avoidance device according to claim 3, wherein the air bag (7) is filled with a proper amount of nitrogen, and the front end face of the air bag (7) is 2-4cm behind the fixed collar (33).

5. The bridge crane collision avoidance device according to claim 1, wherein the inner wall of the buffer plate (5) is fixedly embedded with the pressure head (9), and the front end surface of the buffer plate (5) is fixedly embedded with the rubber pad.

6. Bridge crane collision avoidance device according to claim 1, characterized in that the gas cylinder (31) is filled with a sufficient amount of nitrogen.