CN213834274U - Lifting trolley for walking type self-balancing overpass bridge girder erection machine - Google Patents

Abstract

The utility model discloses a lifting trolley for a walking self-balancing cross-over bridge girder erection machine, which comprises a crane frame, a hoisting top plate, a fixed support and a lifting frame; the fixed crane boom that is provided with in top of crane boom frame, the fixed jack-up roof that is provided with in top of crane boom, the fixed fixing support that is provided with in one side at jack-up roof top, fixing support's inboard rotation is connected with slow hoist engine, the one end fixed mounting in the fixing support outside has hoisting motor, the surface transmission of slow hoist engine is connected with a plurality of groups steel wire cable, the utility model discloses trolley structural design is reasonable, and light nimble stability is strong, adopts shoulder pole type movable pulley group formula design, can utilize the advantage of combination movable pulley ingeniously, has promoted trolley's hoisting capacity to a certain extent, and is more laborsaving, can make the bridge body promote and the pine fall, can make its gentle translation again, and the security is high, can satisfy the in-service use demand, has very high practical value.

Description

Lifting trolley for walking type self-balancing overpass bridge girder erection machine

Technical Field

The utility model relates to a stride bridge crane technical field specifically is a walking self-balancing crosses a crane trolley for bridge crane.

Background

The trolley mainly comprises a hoisting mechanism, a metal structure, a walking driving mechanism and the like. The hoisting mechanism is the basic working mechanism of the crane and is mostly composed of a hanging system and a steel wire cable. The metal structure is the framework of the crane trolley, the main bearing parts such as a bridge frame, an arm support and a portal frame can be of a box structure or a truss structure, also can be of a web plate structure, and some can use section steel as a supporting beam. With the vigorous development of the infrastructure of China, the walking type self-balancing bridge crossing machine and the crane trolley play an important role as an important component structure.

The conventional trolley is complex in structure, not light and flexible enough to move and use on a bridge-spanning machine, relatively low in safety, not labor-saving enough to use, and not capable of well meeting the actual bridge-erecting requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a walking self-balancing crosses a bridge crane and uses hoisting trolley to current hoisting trolley that proposes in solving above-mentioned background art is complicated in structure usually, moves on the bridge crane and uses not light nimble enough, and the security is lower relatively, uses simultaneously laborsaving inadequately, can not fine satisfy the problem of actual bridge crane demand.

In order to achieve the above object, the utility model provides a following technical scheme: a lifting trolley for a walking self-balancing cross-over bridge crane comprises a crane frame, a lifting top plate, a fixed support and a lifting frame, wherein the top of the crane frame is fixedly provided with the crane frame, the top of the crane frame is fixedly provided with the lifting top plate, one side of the top of the lifting top plate is fixedly provided with the fixed support, the inner side of the fixed support is rotatably connected with a slow-speed winch, one end of the outer side of the fixed support is fixedly provided with a lifting motor, the surface of the slow-speed winch is in transmission connection with a plurality of groups of steel wire cables, the other side of the top of the lifting top plate is fixedly provided with a brake, the inner part of the crane frame is fixedly provided with a fixed pulley block, the inner part of the lifting frame is rotatably connected with a plurality of carrying pole type pulley blocks, the bottom ends of the steel wire cables are in transmission connection with the carrying pole type pulley blocks respectively by bypassing the brake and the fixed pulley blocks, the four corners of the bottom of the crane frame are rotatably connected with movable clamping wheels, driving shafts are fixedly arranged between the corresponding two movable clamping wheels, linkage fluted discs are fixedly arranged in the middle of the two driving shafts, a driving motor is fixedly mounted inside the crane frame, and a driving wheel disc is fixedly arranged at the output end of the driving motor.

As an optimal technical scheme of the utility model, hoisting motor's output and the transmission shaft fixed connection of slow-speed hoist engine.

As a preferred technical scheme of the utility model, the fixed pulley group includes that fixed axle and six play the pulley again, the surperficial rotation of fixed axle is connected with six evenly distributed's jack-up fixed pulley, the group number of steel wire cable is three, and the number of shoulder pole type movable pulley group is three.

As an optimal technical scheme of the utility model, it is three shoulder pole type movable pulley group all includes two second movable pulleys and first movable pulley, just first movable pulley sets up the top between two second movable pulleys.

As an optimal technical scheme of the utility model, the both sides of promotion frame bottom are all fixed and are provided with the jack-up hoist.

As a preferred technical scheme of the utility model, the surperficial meshing of drive wheel dish is connected with drive chain, drive chain's inboard is connected with the outside meshing of two linkage fluted discs.

As an optimal technical scheme of the utility model, hoisting motor, driving motor and stopper are all through external switch and power electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: this trolley structure reasonable in design, light nimble stability is strong, adopts shoulder pole type movable pulley group formula design, can utilize the advantage of combination movable pulley ingeniously, has promoted trolley's hoisting capacity to a certain extent, and is more laborsaving, can make the bridge body promote and the pine falls, can make its translation gently again, and the security is high, can satisfy the in-service use demand, has very high practical value.

Drawings

FIG. 1 is a schematic structural view of a main body of the present invention in front view;

FIG. 2 is a schematic structural view of a main body side view cross section of the present invention;

fig. 3 is a schematic top cross-sectional structure view of the frame of the crane of the present invention;

fig. 4 is a schematic view of the front view appearance structure of the lifting frame of the present invention.

In the figure: 1. a crane frame; 2. a hoisting frame; 3. hoisting a top plate; 4. a brake; 5. a slow speed hoist; 6. a fixed support; 7. a fixed pulley block; 8. moving the clamping wheel; 9. a drive shaft; 10. a steel wire cable; 11. lifting the frame; 12. hoisting a sling; 13. a shoulder pole type movable pulley block; 14. a hoisting motor; 15. a fixed shaft; 16. hoisting a fixed pulley; 17. a drive motor; 18. a drive wheel disc; 19. a linkage fluted disc; 20. a drive chain; 21. a first movable pulley; 22. and a second movable pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model provides a lifting trolley for walking self-balancing striding bridging machine, including crane truck frame 1, crane boom 2, jack-up roof 3, fixing support 6, lifting frame 11, crane truck frame 1's fixed crane boom 2 that is provided with in top, fixed jack-up roof 3 that is provided with in top of crane boom 2, fixed fixing support 6 that is provided with in one side at jack-up roof 3 top, fixing support 6's inboard rotation is connected with slow-speed hoist 5, the one end fixed mounting in the fixing support 6 outside has hoisting motor 14, slow-speed hoist 5's surface transmission is connected with three group's steel wire cables 10, the opposite side fixed mounting at jack-up roof 3 top has stopper 4, crane truck 2's inside fixed crown block 7 that is provided with, lifting frame 11's inside rotation is connected with three shoulder pole type movable pulley block 13, the bottom of three group's steel wire cables 10 is walked around stopper 4 and crown block 7 and is passed with three shoulder pole type movable pulley block 13 respectively and is walked around Move the connection, four corners of 1 bottom of crane frame are all rotated and are connected with removal calorie of wheel 8, two corresponding removal calorie of all fixed drive shaft 9 that sets up between the wheel 8, the middle part of two drive shaft 9 is all fixed and is provided with linkage fluted disc 19, the inside fixed mounting of crane frame 1 has driving motor 17, driving motor 17's the fixed drive rim plate 18 that is provided with of output, can make the bridge body promote and the pine falls, can make its gentle translation again, and the security is high, can satisfy the in-service use demand, there is very high practical value.

Preferably, the output end of the hoisting motor 14 is fixedly connected with the transmission shaft of the slow winch 5, the structural design is reasonable, and the slow winch 5 can be driven.

Preferably, the fixed pulley group 7 comprises a fixed shaft 15 and six hoisting fixed pulleys 16, six hoisting fixed pulleys 16 which are uniformly distributed are rotatably connected to the surface of the fixed shaft 15, the fixed shaft 15 fixes six re-positioning pulleys 16, the six re-positioning pulleys 16 are grouped in pairs, three groups of re-positioning pulleys 16 correspond to three groups of wire cables 10, one end of each wire cable 10 passes through one hoisting fixed pulley 16 of the hoisting fixed pulleys 16 in the group which is opposite, then passes through two second movable pulleys 22 and a first movable pulley 21 of the carrying pole type movable pulley group 13 which is right below, passes through the second movable pulley 22 on one side, then passes through the first movable pulley 21, then passes through the second movable pulley 22 on the other side, then passes through the other hoisting fixed pulley 16 in the same group upwards, and finally is connected to the crane frame 1 to change the direction of the wire cable 10.

Preferably, the three shoulder pole type movable pulley blocks 13 all include two second movable pulleys 22 and a first movable pulley 21, and the first movable pulley 21 is arranged above the space between the two second movable pulleys 22, so that the advantages of the combined movable pulleys can be skillfully utilized, the lifting capacity of the crane trolley is improved to a certain extent, and the crane trolley is more labor-saving.

Preferably, the hoisting slings 12 are fixedly arranged on both sides of the bottom of the hoisting frame 11, which is beneficial to hoisting heavy objects.

Preferably, the surface of the driving wheel disc 18 is in meshing connection with a transmission chain 20, and the inner side of the transmission chain 20 is in meshing connection with the outer sides of the two linkage fluted discs 19, so that the trolley can be flexibly moved and adjusted conveniently.

Preferably, hoisting motor 14, driving motor 17 and stopper 4 are all through external switch and power electric connection, can make the bridge body promote and the pine falls, can make its translation gently again, and the security is high, can satisfy the in-service use demand, has very high practical value.

When the crane trolley is used in detail, the crane trolley frame 1 is stably fixed on a longitudinal-moving truss trolley beam rail directly according to the normal use mode of the crane trolley, a heavy object is normally hung on a lifting frame 11, and the crane trolley can be operated normally, and the crane trolley has reasonable structural design, is light, flexible and strong in stability, and the design of the carrying pole type movable pulley block 13 can skillfully utilize the advantages of the combined movable pulley, so that the lifting capacity of the crane trolley frame 1 is improved to a certain extent, the crane trolley is more labor-saving, in the use process, the driving motor 17 can drive the transmission chain 20 to move through the driving wheel disc 18, so that the driving shaft 9 is driven to move through the two linked fluted discs 19, and then the movable clamping wheel 8 is driven to move, the bridge body can be lifted and loosened and descended, and can be translated smoothly, the safety is high, and the actual use requirements can be met, has high practical value.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a walking self-balancing crosses a bridge crane with jack-up dolly, includes crane truck frame (1), crane boom (2), jack-up roof (3), fixing support (6), hoisting frame (11), its characterized in that: the hoisting device is characterized in that a hoisting frame (2) is fixedly arranged at the top of a frame (1) of the hoisting frame, a hoisting top plate (3) is fixedly arranged at the top of the hoisting frame (2), a fixed support (6) is fixedly arranged on one side of the top of the hoisting top plate (3), a slow-speed winch (5) is rotatably connected to the inner side of the fixed support (6), a hoisting motor (14) is fixedly mounted at one end of the outer side of the fixed support (6), a plurality of groups of steel wire cables (10) are in transmission connection with the surface of the slow-speed winch (5), a brake (4) is fixedly mounted at the other side of the top of the hoisting top plate (3), a fixed pulley block (7) is fixedly arranged in the hoisting frame (2), a plurality of carrying pole type movable pulley blocks (13) are rotatably connected in the hoisting frame (11), and the bottom ends of the steel wire cables (10) are in transmission connection with the carrying pole type movable pulley blocks (13) respectively by bypassing the brake (4) and the fixed pulley block (7), four corners of crane car frame (1) bottom are all rotated and are connected with and remove calorie of wheel (8), corresponding two remove and all fixedly set up drive shaft (9) between calorie of wheel (8), two the middle part of drive shaft (9) is all fixedly provided with linkage fluted disc (19), the inside fixed mounting of crane car frame (1) has driving motor (17), the fixed drive rim plate (18) that is provided with of output of driving motor (17).

2. The crane trolley for the walking self-balancing overpass bridge crane according to claim 1, wherein: the output end of the hoisting motor (14) is fixedly connected with the transmission shaft of the slow-speed winch (5).

3. The crane trolley for the walking self-balancing overpass bridge crane according to claim 1, wherein: the fixed pulley block (7) comprises a fixed shaft (15) and six hoisting fixed pulleys (16), the surface of the fixed shaft (15) is rotatably connected with the six hoisting fixed pulleys (16) which are uniformly distributed, the number of groups of steel wire cables is three, and the number of the shoulder pole type movable pulley blocks is three.

4. The crane trolley for the walking self-balancing overpass bridge crane according to claim 1, wherein: the shoulder pole type movable pulley block (13) comprises two second movable pulleys (22) and a first movable pulley (21), and the first movable pulley (21) is arranged above the two second movable pulleys (22).

5. The crane trolley for the walking self-balancing overpass bridge crane according to claim 1, wherein: and hoisting slings (12) are fixedly arranged on two sides of the bottom of the lifting rack (11).

6. The crane trolley for the walking self-balancing overpass bridge crane according to claim 1, wherein: the surface of the driving wheel disc (18) is connected with a transmission chain (20) in a meshing manner, and the inner side of the transmission chain (20) is connected with the outer sides of the two linkage fluted discs (19) in a meshing manner.

7. The crane trolley for the walking self-balancing overpass bridge crane according to claim 1, wherein: the hoisting motor (14), the driving motor (17) and the brake (4) are electrically connected with a power supply through an external switch.

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