CN212356210U

CN212356210U - Auxiliary hoisting device for bridge girder erection machine

Info

Publication number: CN212356210U
Application number: CN202021112548.2U
Authority: CN
Inventors: 韩际彪; 宋雯雯; 徐庆贺
Original assignee: Henan Xindongfang Crane Group Co ltd
Current assignee: Henan Xindongfang Crane Group Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-01-15
Anticipated expiration: 2030-06-16

Abstract

The utility model relates to the field of auxiliary hoisting of bridge girder erection machines, and discloses an auxiliary hoisting device of a bridge girder erection machine, which comprises a hoisting arm; sliding grooves are formed in two sides of the inner portion of the hoisting arm, sliding blocks are movably mounted in the sliding grooves, screw rods are transversely and movably mounted in the sliding grooves, screw holes are formed in the sliding blocks, and the screw rods rotatably penetrate through the screw holes; the slider bottom is equipped with the hoist and mount piece, gear A is installed in the screw rod outside, the motor is installed to the inside top in hoist and mount arm both sides. The utility model discloses a motor drives gear B rotatoryly, and gear B can drive gear A and screw rod rotatoryly, and the screw rod is located the screw internal rotation and can accomplishes the removal that the slider is located the spout, then can drive hoist and mount piece and hoist cable and control the removal this moment, can accomplish the regulation work of hoist and mount piece opposite direction removal hoist and mount cable interval through two sets of, makes its prefabricated bridge plate that can be suitable for different widths, and stability is relatively poor when avoiding the narrower or wide bridge plate of hoist and mount width.

Description

Auxiliary hoisting device for bridge girder erection machine

Technical Field

The utility model relates to a bridge crane hoist and mount supplementary field specifically is a bridge crane hoist and mount auxiliary device.

Background

The bridge girder erection machine is mainly used for lifting the girder, then conveying the girder to a proper position and then putting down the girder, has very different requirements from a general crane, has harsh conditions and travels on the girder or moves longitudinally, and is divided into a public road bridge, a conventional railway bridge, a passenger-dedicated railway bridge and the like, but the existing auxiliary device for lifting the bridge girder erection machine has some defects, such as defects;

when the bridge plate with different widths is hoisted by the existing bridge girder erection machine, the sling of the existing bridge girder erection machine is easy to incline, so that the hoisting is easy to shake, the stability in the hoisting moving process cannot be ensured, and the hoisting safety is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge crane hoist and mount auxiliary device has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bridge girder erection machine hoisting auxiliary device comprises a hoisting arm;

sliding grooves are formed in two sides of the inner portion of the hoisting arm, sliding blocks are movably mounted in the sliding grooves, screw rods are transversely and movably mounted in the sliding grooves, screw holes are formed in the sliding blocks, and the screw rods rotatably penetrate through the screw holes;

the improved lifting arm is characterized in that a lifting block is arranged at the bottom of the sliding block, a gear A is installed on the outer side of the screw rod, a motor is installed above the inner portion of each of two sides of the lifting arm, a gear B is installed at the left end of the motor, and the gear B and the gear A are meshed with each other.

As an optimal implementation mode of the utility model, the printing of hoist and mount piece front side has the pointer, the printing of hoist and mount arm front side below has the distance scale.

As an optimal implementation mode of the utility model, the hoist and mount arm both sides are equipped with the protection casing, gear A all locates the protection casing inboard with gear B.

As an optimal implementation manner of the present invention, the bottom of the hoisting block is provided with a sling.

As a preferred embodiment of the utility model, hoist and mount arm right side bottom is equipped with control switch, the power cord is installed to the control switch below, power cord and control switch and motor series connection.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a bridge crane hoist and mount auxiliary device, it is rotatory to drive gear B through the motor, gear B can drive gear A and screw rod rotation, the screw rod is located the screw internal rotation and can accomplishes the removal that the slider is located the spout, then can drive hoist and mount piece and hoist cable and control the removal this moment, can accomplish the regulation work of hoist and mount piece opposite direction removal hoist and mount cable interval through two sets of, make its prefabricated bridge plate that can be suitable for different widths, stability is relatively poor when avoiding the bridge plate of hoist and mount width narrower or broad, improve hoist and mount stability.

2. The utility model relates to a bridge crane hoist and mount auxiliary device can learn its concrete interval of removal through the pointer directional distance scale, can effectively improve its accurate nature, and the observation mode is directly perceived clear.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of a front-view cross-sectional structure of an auxiliary hoisting device of a bridge girder erection machine of the present invention;

fig. 2 is the utility model relates to a structure schematic diagram is looked sideways at to bridge crane hoist and mount auxiliary device's slider.

In the figure: 1. hoisting the arm; 2. a chute; 3. a screw; 4. a slider; 5. hoisting the blocks; 6. a pointer; 7. a sling; 8. distance scales; 9. a motor; 10. a gear B; 11. a gear A; 12. a protective cover; 13. a control switch; 14. a power line; 15. and a screw hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and for simplicity of description, but do not indicate or imply that the device or element referred to must have a specific shape or simplified description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a bridge girder erection machine hoisting auxiliary device comprises a hoisting arm 1;

sliding grooves 2 are formed in two sides of the interior of the hoisting arm 1, sliding blocks 4 are movably mounted in the sliding grooves 2, screw rods 3 are transversely and movably mounted in the sliding grooves 2, screw holes 15 are formed in the sliding blocks 4, and the screw rods 15 penetrate through the screw holes 15 in a rotating mode;

4 bottoms of slider are equipped with hoist and mount piece 5, gear A11 is installed in the screw rod 3 outside, motor 9 is installed to the inside top in hoist and mount arm 1 both sides, gear B10 is installed to motor 9 left end, gear B10 and gear A11 intermeshing.

In this embodiment (please refer to fig. 1 and 2), the gear B10 is driven to rotate by the motor 9, the gear B10 can drive the gear a11 to rotate with the screw rod 3, the screw rod 3 is located in the screw hole 15 to rotate to complete the left and right movement of the slide block 4 in the sliding groove 2, at this time, the hoisting blocks 5 and the slings 7 can be driven to move left and right, the adjustment work of the distance between the slings 7 can be completed by the opposite movement of the two sets of hoisting blocks 5, so that the prefabricated bridge slab can be suitable for prefabricated bridge slabs with different widths, the poor stability when the narrow or wide bridge slab is hoisted is avoided, and the.

The front side of the hoisting block 5 is printed with a pointer 6, and the lower part of the front side of the hoisting arm 1 is printed with distance scales 8.

In this embodiment (please refer to fig. 1), the specific moving distance can be known by pointing the pointer 6 to the distance scale 8, so that the accuracy can be effectively improved, and the observation manner is intuitive and clear.

The two sides of the hoisting arm 1 are provided with the protective covers 12, and the gear A11 and the gear B10 are both arranged on the inner sides of the protective covers 12.

In this embodiment (see fig. 1), the protection operation of the gear a11 and the gear B10 can be realized by the protection cover 12.

Wherein, the bottom of the hoisting block 5 is provided with a sling 7.

In this embodiment (see fig. 1), the prefabricated bridge deck can be lifted by the slings 7.

Wherein, hoist and mount arm 1 right side bottom is equipped with control switch 13, control switch 13 installs the power cord 14 in the below, power cord 14 and control switch 13 and motor 9 series connection.

In this embodiment (see fig. 1), the start and stop of the motor 9 can be controlled conveniently by the control switch 13.

The utility model relates to a bridge girder erection machine hoisting auxiliary device, which comprises a hoisting arm 1; 2. a chute; 3. a screw; 4. a slider; 5. hoisting the blocks; 6. a pointer; 7. a sling; 8. distance scales; 9. a motor; 10. a gear B; 11. a gear A; 12. a protective cover; 13. a control switch; 14. a power line; 15. the screw holes and the parts are all universal standard parts or parts known by a person skilled in the art, at the idle position of the device, all the electric parts, which refer to power elements, electric parts, adaptive monitoring computers and power supplies, are connected through leads, specific connecting means are realized, the electric connection between the electric parts is completed in sequence by referring to the following working principle, the detailed connecting means are known in the art, the working principle and the process are mainly described below, the description of electric control is not needed, the structure and the principle of the electric connecting device can be known by technical manuals or conventional experimental methods, when in use, the lifting arm 1 can be installed on a bridge erecting machine, the lifting arm can be fixedly connected with a prefabricated bridge plate through a sling 7, the lifting is completed, the power supply is connected through a power supply line 14, and the motor 9 is started through a control switch 13, at this moment, the motor 9 can drive the gear B10 to rotate, the gear B10 can drive the gear A11 to rotate with the screw rod 3, the screw rod 3 is located the 15 internal rotations of screw and can accomplish the removal that the slider 4 is located the spout 2, then can drive the hoist and mount piece 5 and remove with the hoist and mount 7, can accomplish the regulation work of hoist and mount 7 interval through two sets of 5 opposite directions of hoist and mount pieces, make it can be suitable for the prefabricated bridge plate of different width, stability is relatively poor when avoiding hoisting the narrow or broad bridge plate of width, improve hoist and mount stability, and when hoist and mount piece 5 removed, can learn its concrete interval of removal through the pointer 6 directive distance scale 8, can effectively improve its accurate nature, and the observation mode is directly perceived and clearly.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A bridge girder erection machine hoisting auxiliary device is characterized by comprising a hoisting arm (1);

sliding grooves (2) are formed in two sides of the interior of the hoisting arm (1), a sliding block (4) is movably mounted in each sliding groove (2), a screw rod (3) is transversely and movably mounted in each sliding groove (2), a screw hole (15) is formed in each sliding block (4), and each screw rod (3) rotatably penetrates through each screw hole (15);

slider (4) bottom is equipped with hoist and mount piece (5), gear A (11) are installed in screw rod (3) outside, motor (9) are installed to the inside top in hoist and mount arm (1) both sides, gear B (10) are installed to motor (9) left end, gear B (10) and gear A (11) intermeshing.

2. The bridge girder erection machine hoisting auxiliary device of claim 1, wherein: the front side of the hoisting block (5) is printed with a pointer (6), and the lower part of the front side of the hoisting arm (1) is printed with distance scales (8).

3. The bridge girder erection machine hoisting auxiliary device of claim 1, wherein: protection covers (12) are arranged on two sides of the hoisting arm (1), and the gear A (11) and the gear B (10) are arranged on the inner sides of the protection covers (12).

4. The bridge girder erection machine hoisting auxiliary device of claim 1, wherein: and a sling (7) is arranged at the bottom of the hoisting block (5).

5. The bridge girder erection machine hoisting auxiliary device of claim 1, wherein: hoist and mount arm (1) right side bottom is equipped with control switch (13), power cord (14) are installed to control switch (13) below, power cord (14) and control switch (13) and motor (9) series connection.