CN211255021U

CN211255021U - Multi-stage buffer device of crane trolley

Info

Publication number: CN211255021U
Application number: CN201922000203.1U
Authority: CN
Inventors: 刘朝慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-08-14
Anticipated expiration: 2029-11-19

Abstract

The utility model provides a monkey's multistage buffer. The multistage buffer device of crane trolley comprises a crane girder, a track is arranged on the crane girder, the crane trolley is arranged on the track, a first-stage buffer device is arranged on the right side of the crane trolley, a second-stage buffer device is fixedly connected to the right side of the first-stage buffer device, the second-stage buffer device comprises an outer sleeve, an inner sleeve is slidably connected to the inner portion of the outer sleeve, and a buffer head is fixedly connected to the right end of the inner sleeve. The utility model provides a crane trolley's multistage buffer has realized the multistage buffering to crane trolley through one-level buffer, second grade buffer and tertiary baffle-box, and buffering effect is good, can protect second grade buffer can not damage because of the striking through the blotter, uses the rear of a vehicle direct contact striking that can avoid crane trolley through the cooperation of buffer head and cushion collar, has protected crane trolley's life.

Description

Multi-stage buffer device of crane trolley

Technical Field

The utility model relates to a hoist field especially relates to a monkey's multistage buffer.

Background

The crane is a multi-action crane for vertically lifting and horizontally carrying heavy objects in a certain range, the crane trolley runs in the limited range of the cart beam, and the buffer is an essential component for relieving the impact of the crane trolley on the limit gear.

Most of the traditional buffering devices are single in structure and limited in protection range, the buffering effect of the existing buffering devices is not good enough, inertia is large when a trolley moves, and the protection degree of the crane trolley is not enough.

Therefore, there is a need to provide a multi-stage buffer device for crane trolley to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a monkey's multistage buffer has solved current buffer structure singleness, the not good problem of buffering effect.

In order to solve the technical problems, the multi-stage buffer device of the crane trolley provided by the utility model comprises a crane girder, a track is arranged on the crane girder, the crane trolley is arranged on the track, a first-stage buffer device is arranged on the right side of the crane trolley, a second-stage buffer device is fixedly connected on the right side of the first-stage buffer device, the second-stage buffer device comprises an outer sleeve, an inner sleeve is slidably connected in the outer sleeve, a buffer head is fixedly connected at the right end of the inner sleeve, an elastic support member is fixedly connected between the top of the right side of the inner wall of the buffer head and the top of the left side of the inner wall of the outer sleeve and between the bottom of the right side of the inner wall of the buffer head and the bottom of the left side of the inner wall of the outer, the buffer sleeve is matched with the buffer head.

Preferably, the top and the bottom on cushion collar right side all fixedly connected with connecting piece, two the right-hand member fixedly connected with buffering box of connecting piece, fixedly connected with locating lever between the top of buffering box inner wall and the bottom, the right side fixedly connected with fixed plate of tertiary baffle-box inner wall.

Preferably, the equal fixedly connected with support piece in left top of fixed plate and bottom, support piece's left end fixedly connected with slide rail, the inside sliding connection of slide rail has the bracing piece, the left end of bracing piece runs through the inside that the buffering box extended to the buffering box, fixedly connected with stopper on the locating lever, sliding connection has the connecting block on the locating lever, the quantity of connecting block is two.

Preferably, the left end of the supporting rod is fixedly connected with the right side of the connecting block, and a spring is sleeved on the surface, located between one side of the connecting block opposite to the limiting block and located on the positioning rod, of the connecting block.

Preferably, a cushion pad is fixedly connected to the left side of the cushion sleeve.

Preferably, one-level buffer includes casing and fixed block, the quantity of fixed block is two, the right side fixed connection of fixed block and monkey, fixedly connected with slide bar between shells inner wall's top and the bottom, the surface of slide bar has first slider and second slider from last to sliding connection in proper order down, the surface cover that just is located the slide bar between the one side that first slider and second slider are relative is equipped with buffer spring, the shifting chute has been seted up in the left side of casing, the surface of first slider and second slider all rotates and is connected with the buffer beam, the left end rotation of buffer beam is connected with the fixed block.

Compared with the prior art, the utility model provides a monkey's multistage buffer has following beneficial effect:

the utility model provides a crane trolley's multistage buffer has realized the multistage buffering to crane trolley through one-level buffer, second grade buffer and tertiary baffle-box, and buffering effect is good, can protect second grade buffer can not damage because of the striking through the blotter, uses the rear of a vehicle direct contact striking that can avoid crane trolley through the cooperation of buffer head and cushion collar, has protected crane trolley's life.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a multi-stage buffering device of a crane trolley according to the present invention;

FIG. 2 is a schematic structural diagram of the primary buffer device shown in FIG. 1;

FIG. 3 is a schematic structural diagram of the secondary buffer device shown in FIG. 1;

fig. 4 is a partially enlarged view of a portion a shown in fig. 1.

Reference numbers in the figures: 1. crane girder, 2, rail, 3, crane trolley, 4, primary buffer device, 401, shell, 402, slide bar, 403, first slide block, 404, second slide block, 405, buffer spring, 406, moving groove, 407, buffer bar, 408, fixed block, 5, secondary buffer device, 501 outer sleeve, 502, inner sleeve, 503, buffer head, 504, elastic support, 6, tertiary buffer box, 7, buffer sleeve, 8, connecting piece, 9, buffer box, 10, locating rod, 11, fixed plate, 12, support piece, 13, slide rail, 14, support bar, 15, limiting block, 16, connecting block, 17, spring, 18, buffer pad.

Detailed Description

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

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a multi-stage buffering device of a crane trolley according to the present invention; FIG. 2 is a schematic structural diagram of the primary buffer device shown in FIG. 1; FIG. 3 is a schematic structural diagram of the secondary buffer device shown in FIG. 1; fig. 4 is a partially enlarged view of a portion a shown in fig. 1. The multistage buffering device of the crane trolley comprises a crane girder 1, a track 2 is arranged on the crane girder 1, the crane trolley 3 is arranged on the track 2, a first-stage buffering device 4 is arranged on the right side of the crane trolley 3, a second-stage buffering device 5 is fixedly connected to the right side of the first-stage buffering device 4, the second-stage buffering device 5 comprises an outer sleeve 501, an inner sleeve 502 is slidably connected inside the outer sleeve 501, a buffering head 503 is fixedly connected to the right end of the inner sleeve 502, an elastic supporting piece 504 is fixedly connected between the top of the right side of the inner wall of the buffering head 503 and the top of the left side of the inner wall of the outer sleeve 501 and the bottom of the right side of the inner wall of the punch 503 and the bottom of the left side of the inner wall of the outer sleeve 501 through fixing blocks, a third-stage buffer, the buffer sleeve 7 is matched with the buffer head 503, after the crane trolley 3 moves to the right end of the crane girder 1, the secondary buffer device 5 is firstly contacted with the tertiary buffer tank 6, the buffer head 503 is pressed by the buffer sleeve 7 to press the inner sleeve 502 into the outer sleeve 501, and the elastic support piece 504 is compressed to provide a certain supporting force, so that the buffering effect is achieved.

The top and the equal fixedly connected with connecting piece 8 in bottom on cushion collar 7 right side, two the right-hand member fixedly connected with buffering box 9 of connecting piece 8, fixedly connected with locating lever 10 between the top of buffering box 9 inner wall and the bottom, the right side fixedly connected with fixed plate 11 of tertiary buffer tank 6 inner wall, the movable groove has been seted up on the right side of buffering box 9, can supply bracing piece 14 to remove.

The top and the bottom of the left side of the fixed plate 11 are both fixedly connected with a supporting piece 12, the left end of the supporting piece 12 is fixedly connected with a sliding rail 13, the inside of the sliding rail 13 is slidably connected with a supporting rod 14, the left end of the supporting rod 14 penetrates through the buffer box 9 and extends to the inside of the buffer box 9, the positioning rod 10 is fixedly connected with a limiting block 15, the positioning rod 10 is slidably connected with two connecting blocks 16, when the buffer sleeve 7 is pressed inwards, the buffer box 9 is pressed into the inside of the third-stage buffer box 6 through the connecting piece 8, then the supporting rod 14 is pressed towards the right side by the buffer box 9, the supporting rod 14 moves in the sliding rail 13, the supporting rod 14 cannot rotate under the action of the positioning rod 10, the two supporting rods 14 approach to the middle under the condition of keeping parallel, and therefore the spring 17 is, the spring 17 acts as a buffer.

The left end of bracing piece 14 and the right side fixed connection of connecting block 16, the surface cover that just is located locating lever 10 between the one side that is relative with stopper 15 of connecting block 16 is equipped with spring 17, spring 17's both ends respectively with stopper 15 and bracing piece 14 fixed connection.

The left side of the buffer sleeve 7 is fixedly connected with a buffer pad 18, and the buffer pad 18 is made of rubber, has certain elasticity and can play a certain buffering role.

The primary buffer device 4 comprises a shell 401 and two fixed blocks 408, the number of the fixed blocks 408 is two, the fixed blocks 408 are fixedly connected with the right side of the crane trolley 3, a slide bar 402 is fixedly connected between the top and the bottom of the inner wall of the shell 401, the surface of the slide bar 402 is sequentially connected with a first slide block 403 and a second slide block 404 in a sliding manner from top to bottom, a buffer spring 405 is sleeved on the surface of the slide bar 402 between one side opposite to the first slide block 403 and the second slide block 404, a moving groove 406 is formed in the left side of the shell 401, buffer rods 407 are respectively connected on the surfaces of the first slide block 403 and the second slide block 404 in a rotating manner, the left end of each buffer rod 407 is rotatably connected with the fixed block 408, raised blocks are respectively arranged on the top of the first slide block and the top of the second slide block 404, the top of each raised block is slidably connected with the top of the inner wall of, under the action of pressure, the two buffer rods 407 push the first slider 403 and the second slider 404 towards the middle, the buffer spring 405 is compressed under force, then the buffer spring 405 pushes the first slider 403 and the second slider 404 outwards, and the whole shell 401 is supported and returned to the initial position through the rotation of the buffer rods 407.

The utility model provides a monkey's multistage buffer's theory of operation as follows:

after the crane trolley 3 moves to the right end of the crane girder 1, the secondary buffer device 5 firstly contacts with the tertiary buffer box 6, the buffer head 503 is pressed by the buffer sleeve 7 to press the inner sleeve 502 into the outer sleeve 501, the elastic support 504 is compressed to provide a certain supporting force to achieve the buffering effect, then the secondary buffer device 5 presses down the shell 401 leftwards, under the action of the pressure, the two buffer rods 407 push the first slide block 403 and the second slide block 404 towards the middle, the buffer spring 405 is compressed under the action of the force, then the buffer spring 405 pushes the first slide block 403 and the second slide block 404 outwards, the buffer rod 407 rotates to restore the whole shell 401 to the initial position for further buffering, when the buffer sleeve 7 is pressed inwards, the buffer box 9 is pressed into the tertiary buffer box 6 through the connecting piece 8, then the buffer box 9 presses down the support rod 14 rightwards, the supporting rods 14 move in the sliding rails 13, and because the supporting rods 14 cannot rotate under the action of the positioning rods 10, the two supporting rods 14 are close to the middle under the condition of keeping parallel, so that the connecting blocks 16 and the limiting blocks 15 compress the springs 17, and further buffer is realized on the crane trolley 3.

realized the multistage buffering to monkey 3 through one-level buffer 4, second grade buffer 5 and tertiary baffle-box 6, buffering effect is good, can protect second grade buffer 5 through blotter 18 can not damage because of the striking, can avoid the rear of a vehicle direct contact striking of monkey 3 through the cooperation use of buffer head 503 and cushion collar 7, has protected the life of monkey 3.

The above only is 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 are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a multistage buffer of monkey, includes hoist girder (1), be provided with track (2) on hoist girder (1), be provided with monkey (3) on track (2), its characterized in that: a primary buffer device (4) is arranged on the right side of the crane trolley (3), a secondary buffer device (5) is fixedly connected on the right side of the primary buffer device (4), the secondary buffer device (5) comprises an outer sleeve (501), an inner sleeve (502) is connected inside the outer sleeve (501) in a sliding way, the right end of the inner sleeve (502) is fixedly connected with a buffering head (503), elastic supporting pieces (504) are fixedly connected between the top of the right side of the inner wall of the buffering head (503) and the top of the left side of the inner wall of the outer sleeve (501) and between the bottom of the right side of the inner wall of the buffering punch head (503) and the bottom of the left side of the inner wall of the outer sleeve (501) through fixing blocks, the right side of the top of the crane girder (1) is fixedly connected with a third-stage buffer tank (6), and a buffer sleeve (7) penetrates through the left side of the three-stage buffer box (6), and the buffer sleeve (7) is matched with the buffer head (503).

2. The multi-stage buffer device of the crane trolley as claimed in claim 1, wherein the top and the bottom of the right side of the buffer sleeve (7) are fixedly connected with connecting pieces (8), the right ends of the two connecting pieces (8) are fixedly connected with buffer boxes (9), positioning rods (10) are fixedly connected between the top and the bottom of the inner wall of each buffer box (9), and the right side of the inner wall of each third-stage buffer box (6) is fixedly connected with a fixing plate (11).

3. The multi-stage buffer device of the crane trolley as claimed in claim 2, wherein the top and the bottom of the left side of the fixing plate (11) are both fixedly connected with a support member (12), the left end of the support member (12) is fixedly connected with a slide rail (13), the inside of the slide rail (13) is slidably connected with a support rod (14), the left end of the support rod (14) penetrates through the buffer box (9) and extends to the inside of the buffer box (9), the positioning rod (10) is fixedly connected with a limit block (15), the positioning rod (10) is slidably connected with a connecting block (16), and the number of the connecting blocks (16) is two.

4. The multistage buffering device for crane trolleys according to claim 3, wherein the left end of the supporting rod (14) is fixedly connected with the right side of the connecting block (16), and a spring (17) is sleeved on the surface of the positioning rod (10) between the side, opposite to the limiting block (15), of the connecting block (16).

5. The multistage damping device for crane trolleys according to claim 1, wherein a cushion pad (18) is fixedly connected to the left side of the damping sleeve (7).

6. The multistage buffering device of the crane trolley as claimed in claim 1, wherein the primary buffering device (4) comprises a shell (401) and two fixing blocks (408), the fixing blocks (408) are two in number, the fixing blocks (408) are fixedly connected with the right side of the crane trolley (3), a sliding rod (402) is fixedly connected between the top and the bottom of the inner wall of the shell (401), a first sliding block (403) and a second sliding block (404) are sequentially connected to the surface of the sliding rod (402) in a sliding manner from top to bottom, a buffering spring (405) is sleeved on the surface of the sliding rod (402) between the opposite sides of the first sliding block (403) and the second sliding block (404), a moving groove (406) is formed in the left side of the shell (401), and buffering rods (407) are rotatably connected to the surfaces of the first sliding block (403) and the second sliding block (404), the left end of the buffer rod (407) is rotatably connected with a fixed block (408).