CN220565074U

CN220565074U - Equipment is assembled to portable asymmetric bridge cantilever

Info

Publication number: CN220565074U
Application number: CN202321812599.XU
Authority: CN
Inventors: 陈杨
Original assignee: Bolong Heavy Industry Jiangsu Co ltd
Current assignee: Bolong Heavy Industry Jiangsu Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-03-08
Anticipated expiration: 2033-07-11

Abstract

The utility model discloses movable asymmetric bridge cantilever assembling equipment which comprises an equipment body, wherein the equipment body comprises a main beam, a crown block and a supporting seat, an oil storage cavity is arranged at the top of the crown block, an oil pump is connected to the oil storage cavity, a first guide pipe is arranged at the other end of the oil pump, an annular pipe is connected to the other end of the first guide pipe, a second guide pipe is communicated around the annular pipe, a spray head is arranged at the lower end of the second guide pipe, a lower hinged support is fixed on the supporting seat, a lower push rod is rotatably arranged on the lower hinged support, an upper push rod is rotatably connected to the upper end of the lower push rod, a movable shaft is rotatably arranged between the adjacent upper push rods, and a bidirectional screw rod is rotatably arranged on the supporting seat and is in threaded connection with two groups of movable shafts.

Description

Equipment is assembled to portable asymmetric bridge cantilever

Technical Field

The utility model relates to the technical field of bridge assembly, in particular to movable asymmetric bridge cantilever assembly equipment.

Background

At present, the bridge cantilever assembly of the U+box prefabricated structure is mainly constructed by adopting a symmetrically arranged movable bridge deck crane, namely, the bridge deck crane is symmetrically arranged on an originating block by taking a bridge pier as a center, the current prefabricated beam section is symmetrically lifted and installed, then the bridge deck crane is symmetrically moved forward to the next installation position, the next prefabricated beam section is symmetrically lifted and installed, and the steps are repeated until all beam sections on two sides of the bridge pier are installed;

at present, a bridge cantilever is usually required to be operated by adopting a crane or a crown block during assembly operation, the structure and the function of the existing crown block are generally complete, the sling part is required to be pulled up to the bridge cantilever in the use process of the crown block, the weight of the bridge cantilever is large, the loss of the sling is large, the service life of the sling is influenced, the sling is required to be frequently maintained and lubricated, but the existing equipment does not have a convenient and fast lubricating function on the crown block sling, the service efficiency of the equipment is influenced by time and labor consumption and poor safety through manual operation, and meanwhile, the existing equipment does not have the capability of stably supporting the crown block and the crown block, and when the crown block carries the bridge cantilever to stagnate or assemble, the crown block cannot be stably lifted or supported, so that the crown block is easy to have the position deviation or sliding problem, and therefore, the crown block is required to be upgraded and improved on the basis of the prior art.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the movable asymmetric bridge cantilever assembling equipment, which can realize maintenance and lubrication operation of a lifting rope and directionally spray lubricating oil, improve the stability and safety of the crane equipment in use, solve the problem that the lifting rope is inconvenient to maintain and lubricate, realize lifting control of the crane, enable a movable wheel to be separated from a main beam, and improve the stability of the crane when stopping moving.

In order to solve the problems, the following technical scheme is provided:

the movable asymmetric bridge cantilever assembling equipment comprises an equipment body, wherein the equipment body comprises a main beam, a crown block and a supporting seat, four groups of lifting slings are arranged at the bottom of the crown block, the lower ends of the lifting slings are connected with lifting frames, an oil storage cavity is arranged at the top of the crown block, an oil pump is connected to the oil storage cavity, a first guide pipe is arranged at the other end of the oil pump, an annular pipe is connected to the other end of the first guide pipe, four groups of second guide pipes are conducted around the annular pipe, and a spray head is arranged at the lower ends of the second guide pipes;

the four groups of lower hinge supports are fixed on the supporting base, lower push rods are rotatably arranged on the lower hinge supports, the upper ends of the lower push rods are rotatably connected with upper push rods, movable shafts are rotatably arranged between the adjacent upper push rods, the upper ends of the upper push rods are rotatably connected with the upper hinge supports and are fixed with the crown block, two-way screws and two-way screws are rotatably arranged on the supporting base and are in threaded connection with the two groups of movable shafts, and driving components are arranged in the middle positions of the two-way screws.

Further, the second guide pipe is provided with an electromagnetic valve, and the front end of the spray head is obliquely arranged and faces to the lifting cable position.

Further, a fixing buckle is arranged on the outer side wall of the crown block, and the fixing buckle is fixedly sleeved on the second guide pipe.

Further, two rows of moving wheels are arranged at the lower end of the inner side of the crown block, and the two rows of moving wheels are movably positioned at two sides of the main beam.

Further, the driving assembly comprises a first gear and a motor, the first gear is fixed on the bidirectional screw rod, a second gear is fixed at the driving end of the motor, and the second gear is meshed with the first gear.

Further, a mounting sleeve is sleeved outside the motor, and the mounting sleeve is fixed on the surface of the supporting seat.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the oil storage cavity, the oil pump, the first guide pipe, the annular pipe, the second guide pipe, the spray head and the electromagnetic valve are arranged in the device, when in use, lubricating oil is pumped from the oil storage cavity through the oil pump, is conveyed into the appointed spray head through the guide pipe and the annular pipe, and is sprayed onto the lifting sling, so that maintenance and lubrication operation of the lifting sling can be realized, the lubricating oil can be sprayed directionally, the stability and safety of the crane equipment in use are improved, the problems that the lifting sling is inconvenient to maintain and lubricate are solved, and the problem that the lubricating oil is wasted due to comprehensive spraying is avoided.

2. According to the utility model, the supporting seat, the lower push rod, the upper push rod, the movable shaft, the bidirectional screw rod and the driving assembly are arranged in the device, when the device is used, the bidirectional screw rod is controlled to rotate through the driving assembly, the movable shafts on two sides are pushed to move through the bidirectional screw rod, the movable shafts drive the upper push rod and the lower push rod to move, the upper push rod and the lower push rod jack up the crown block and enable the supporting seat to be in contact with the main cross beam, lifting control of the crown block can be realized, the movable wheel is separated from the main cross beam, the stability of the crown block when the crown block stops moving is improved, and the problem of position deviation when the crown block lifts a bridge cantilever is avoided.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a mobile asymmetric bridge cantilever assembly apparatus according to the present utility model;

FIG. 2 is a schematic diagram of a lubrication structure of a movable asymmetric bridge cantilever assembling apparatus according to the present utility model;

FIG. 3 is a cross-sectional view of an overhead travelling crane structure of a mobile asymmetric bridge cantilever assembly apparatus according to the present utility model;

fig. 4 is an exploded view of a lifting structure of a movable asymmetric bridge cantilever assembling apparatus according to the present utility model.

In the figure: 1. a device body; 2. a main beam; 3. a crown block; 4. a lifting rope; 5. hoisting the frame; 6. an oil storage chamber; 7. an oil pump; 8. a first conduit; 9. an annular tube; 10. a second conduit; 101. an electromagnetic valve; 11. a spray head; 12. a fixing buckle; 13. a moving wheel; 14. a support base; 15. a lower hinge support; 16. a push rod is downwards pushed; 17. an upper push rod; 18. a movable shaft; 19. an upper hinge support; 20. a bidirectional screw; 21. a drive assembly; 211. a first gear; 212. a second gear; 213. a motor; 214. and (5) installing a sleeve.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, the mobile asymmetric bridge cantilever assembling device provided by the embodiment comprises a device body 1, wherein the device body 1 comprises a main beam 2, a crown block 3 and a supporting seat 14, four groups of lifting ropes 4 are arranged at the bottom of the crown block 3, lifting frames 5 are connected to the lower ends of the lifting ropes 4, an oil storage cavity 6 is arranged at the top of the crown block 3, an oil pump 7 is connected to the oil storage cavity 6, a first guide pipe 8 is arranged at the other end of the oil pump 7, an annular pipe 9 is connected to the other end of the first guide pipe 8, four groups of second guide pipes 10 are conducted around the annular pipe 9, a spray head 11 is arranged at the lower end of the second guide pipe 10, four groups of lower hinge seats 15 are fixed on the supporting seat 14, lower push rods 16 are rotatably arranged on the lower hinge seats 15, upper end of the lower push rods 16 are rotatably connected with upper push rods 17, movable shafts 18 are rotatably arranged between the adjacent upper push rods 17, upper hinge seats 19 are fixedly connected with the crown block 3, bidirectional screw rods 20 are rotatably arranged on the supporting seat 14, bidirectional screw rods 20 are rotatably connected with the two groups of movable shafts 18, and a driving component 21 is arranged in the middle of the positions 21.

Preferably, the second guide pipe 10 is provided with the electromagnetic valve 101, the front end of the spray head 11 is obliquely arranged and faces the position of the lifting rope 4, the outer side wall of the crown block 3 is provided with the fixing buckle 12, the fixing buckle 12 is fixedly sleeved on the second guide pipe 10, the lower end of the inner side of the crown block 3 is provided with two rows of movable wheels 13, the two rows of movable wheels 13 are movably arranged on two sides of the main beam 2, the second guide pipe 10 is fixedly installed through the fixing buckle 12, the on-off and flow of the second guide pipe 10 are conveniently controlled through the electromagnetic valve 101, and the crown block 3 walks on the main beam 2 through the movable wheels 13.

Preferably, the driving assembly 21 comprises a first gear 211 and a motor 213, the first gear 211 is fixed on the bi-directional screw 20, a second gear 212 is fixed at the driving end of the motor 213, the second gear 212 is meshed with the first gear 211, a mounting sleeve 214 is sleeved outside the motor 213, the mounting sleeve 214 is fixed on the surface of the supporting seat 14, the second gear 212 and the first gear 211 are driven to rotate by the motor 213, the bi-directional screw 20 is conveniently driven to rotate by the first gear 211, and the motor 213 is conveniently fixed by the mounting sleeve 214.

The application principle and the application flow of the utility model are as follows: when the crane is used, the travelling block 3 is driven to move on the main beam 2 through the moving wheel 13, the second gear 212 is driven to rotate through the motor 213 after the travelling block is moved, the second gear 212 drives the first gear 211 and the bidirectional screw rod 20 to rotate, the bidirectional screw rod 20 drives the two side movable shafts 18 to move oppositely, the two groups of movable shafts 18 respectively push the two side lower push rods 16 and the upper push rods 17 to rotate oppositely, the lower push rods 16 push the lower end supporting seat 14 to move downwards and support the lower push rods on the main beam 2, at the moment, the lower push rods 16 cannot move continuously, the upper push rods 17 push the travelling block 3 to integrally lift and enable the moving wheel 13 to be separated from the main beam 2 through the upper hinge seat 19, at the moment, only the supporting seat 14 in the travelling block 3 is contacted with the main beam 2, the lifting slings 4 and the lifting frame 5 are used for lifting and splicing bridge cantilevers, when the lifting slings 4 are required to be maintained, the oil pump 7 can be opened, the oil pump 7 pumps the lubricating oil from the oil storage cavity 6 and pumps the lubricating oil into the annular tube 9 through the first guide tube 8, the lubricating oil in the annular tube 9 reaches the position of the spray head 11 through the second guide tube 11 and sprays the lubricating oil on the surface of the lifting slings 4 according to the required maintenance amount, and the required lifting electromagnetic valve 101 is different in the consumption can be selectively started.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

Claims

1. The utility model provides a portable asymmetric bridge cantilever equipment of assembling which characterized in that: the device comprises a device body (1), wherein the device body (1) comprises a main beam (2), a crown block (3) and a supporting seat (14), four groups of lifting slings (4) are arranged at the bottom of the crown block (3), the lower ends of the lifting slings (4) are connected with lifting frames (5), an oil storage cavity (6) is arranged at the top of the crown block (3), an oil pump (7) is connected to the oil storage cavity (6), a first guide pipe (8) is arranged at the other end of the oil pump (7), an annular pipe (9) is connected to the other end of the first guide pipe (8), and four groups of second guide pipes (10) are conducted around the annular pipe (9), and spray heads (11) are arranged at the lower ends of the second guide pipes (10);

four groups of lower hinged supports (15) are fixed on the supporting base (14) and lower push rods (16) are rotatably arranged on the lower hinged supports (15), upper push rods (17) are rotatably connected to the upper ends of the lower push rods (16), movable shafts (18) are rotatably arranged between the adjacent upper push rods (17), upper hinged supports (19) and upper hinged supports (19) are rotatably connected to the upper ends of the upper push rods (17) and fixed to the crown block (3), two-way screws (20) are rotatably arranged on the supporting base (14) and are in threaded connection with the two groups of movable shafts (18), and driving assemblies (21) are arranged in the middle positions of the two-way screws (20).

2. The mobile asymmetric bridge cantilever assembling apparatus according to claim 1, wherein: the second guide pipe (10) is provided with an electromagnetic valve (101), and the front end of the spray head (11) is obliquely arranged and faces to the position of the lifting rope (4).

3. The mobile asymmetric bridge cantilever assembling apparatus according to claim 1, wherein: the outer side wall of the crown block (3) is provided with a fixing buckle (12), and the fixing buckle (12) is fixedly sleeved on the second guide pipe (10).

4. The mobile asymmetric bridge cantilever assembling apparatus according to claim 1, wherein: two rows of moving wheels (13) are arranged at the lower end of the inner side of the crown block (3), and the two rows of moving wheels (13) are movably positioned at two sides of the main beam (2).

5. The mobile asymmetric bridge cantilever assembling apparatus according to claim 1, wherein: the driving assembly (21) comprises a first gear (211) and a motor (213), the first gear (211) is fixed on the bidirectional screw rod (20), a second gear (212) is fixed at the driving end of the motor (213), and the second gear (212) is meshed with the first gear (211).

6. The mobile asymmetric bridge cantilever assembling apparatus according to claim 5, wherein: the outside of the motor (213) is sleeved with a mounting sleeve (214), and the mounting sleeve (214) is fixed on the surface of the supporting seat (14).