CN111792549A

CN111792549A - Bridge construction hoisting support

Info

Publication number: CN111792549A
Application number: CN202010687365.1A
Authority: CN
Inventors: 李林; 陈刚
Original assignee: Sichuan Zhongqiao Heavy Industry Co ltd
Current assignee: Sichuan Zhongqiao Heavy Industry Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2020-10-20

Abstract

The invention relates to a bridge construction hoisting support which comprises a bottom support frame, a hydraulic system, a hydraulic telescopic rod, a first boom, a second boom and a cable rope, wherein the hydraulic system is arranged on the bottom support frame and is connected with the hydraulic telescopic rod, an output shaft of the hydraulic telescopic rod is connected with a universal rotating shaft, and the universal rotating shaft is connected with a rotating shaft; the rotating shaft is connected with two rotating blocks which are connected with the rotating shaft in an articulated manner, one rotating block is connected with the second crane boom, the other crane boom is connected with the first crane boom, one end, away from the rotating block, of the first crane boom is provided with a hook, one end, away from the rotating block, of the second crane boom is provided with a winch, the winch is installed on the crane boom, and a winding cable on the winch is connected with the hook along the connecting direction of the first crane boom and the second crane boom. According to the technical scheme, the electric control system drives the universal rotating shaft to rotate in the horizontal direction, and then drives the first crane boom and the second crane boom to move in the horizontal direction.

Description

Bridge construction hoisting support

Technical Field

The invention relates to the field of hoisting supports, in particular to a hoisting support for bridge construction.

Background

The bridge is generally a structure erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass through, and is also extended to be a building which is erected to span mountain stream, unfavorable geology or meet other traffic needs to enable the vehicles, pedestrians and the like to pass through more conveniently in order to adapt to the modern high-speed developed traffic industry.

In the bridge work progress, often need pass through hoisting equipment with materials such as silt concrete, reinforcing bar pipe fitting and hang high to the bridge from the low to carry out bridge construction, current hoisting support is large-scale crane mostly, and is bulky, and the use of being not convenient for needs utilize small-size portable hoisting support.

When the existing small movable hoisting support is used, the vertical height of the same position can be adjusted only, and the horizontal position cannot be adjusted, so that the use range of the support is small; in actual operation, the position needs to be moved continuously, and the direction is adjusted so as to meet the hoisting requirements of objects at different positions.

Meanwhile, after the object is hung and taken, the hook needs to manually take down the connecting piece hung on the object and the hook, and the operation is very inconvenient.

Based on the method, a bridge construction hoisting support is researched and developed.

Disclosure of Invention

The invention aims to: the technical problems that the prior art is one of the prior art is solved, the bridge construction hoisting support is provided, and the technical problems that the existing hoisting support cannot be horizontally adjusted in the using process, the use range of the support is small, an object hung on a hook is inconvenient to move out of a binding line and the like are solved.

A bridge construction hoisting support comprises a bottom support frame, a hydraulic system, a hydraulic telescopic rod, a first lifting arm, a second lifting arm, a cable rope, a winch, a weight block, an electric control system and a hook, wherein the hydraulic system is installed on the bottom support frame and is connected with the hydraulic telescopic rod, an output shaft of the hydraulic telescopic rod is connected with a universal rotating shaft, and the universal rotating shaft is connected with a rotating shaft;

two rotating blocks hinged with the rotating shaft are connected to the rotating shaft respectively, one rotating block is connected with the second crane boom, the other crane boom is connected with the first crane boom, a hook is arranged at one end, far away from the rotating block, of the first crane boom, a winch is arranged at one end, far away from the rotating block, of the second crane boom, the winch is installed on the weight block, and a cable rope wound on the winch is connected with the hook along the connecting direction of the first crane boom and the second crane boom;

the electric control system is connected with the universal rotating shaft.

Furthermore, a wedge block is arranged below one end, connected with the hook, of the first lifting arm, a vertical hook is arranged on the lower end face of the wedge block, and a hook ring is arranged on the back face of the opening face in the hook.

Further, when the mooring rope drives the hook to move upwards to the upper end of the hook to abut against the first lifting arm, the vertical hook is connected with the shackle.

Furthermore, universal rotating wheels are arranged below the bottom support frame.

Furthermore, the first crane boom and the second crane boom are provided with rope fixing rings which facilitate the telescopic movement of the cable.

Furthermore, the rope fixing ring is an arc-shaped hanging ring fixed on the surfaces of the first crane boom and the second crane boom.

Furthermore, the cross section of the wedge-shaped block is triangular, and a right-angle surface of the wedge-shaped block is connected with the first lifting arm.

Further, the vertical hook is installed on the inclined plane of the wedge-shaped block, and the vertical distance from the contact surface of the first lifting arm and the wedge-shaped block to the bottom end face of the vertical hook is equal to the vertical distance from the connecting end of the hook and the cable to the shackle.

Further, the hook ring and the hook are connected to form a ring.

Further, hydraulic system, electrical system, weight are all installed on the bottom sprag frame.

Compared with the prior art, the bridge construction hoisting bracket provided by the invention has the following advantages and effects:

1) through setting up hydraulic system among this technical scheme, hydraulic system drives hydraulic telescoping rod and carries out flexible removal, and hydraulic telescoping rod's flexible removal drives universal axis of rotation, first jib loading boom, second jib loading boom isotructure and reciprocates, and the rotation of horizontal direction is made to the universal axis of rotation of electrical system drive, and then drives the removal of first jib loading boom, second jib loading boom in the horizontal direction.

2) Set up the shackle on the couple among this technical scheme, and can carry out the accordant connection with the vertical couple on the wedge, connect the back, the hawser shifts up the in-process and makes the couple be the slope form, does benefit to and ties up article binding line on moving object and shifts out from the couple in.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure described in example 1;

in the figure: 1. hooking; 2. a first lifting arm; 2a, a second crane arm; 3. a rotating shaft; 4. rotating the block; 5. a cable; 6. a winch; 7. a weight block; 8. a hydraulic system; 9. a bottom support frame; 10. a universal swivel wheel; 11. an electronic control system; 12. a universal rotating shaft; 13. a hydraulic telescopic rod; 14. vertically hooking; 15. a wedge block; 16. a shackle; 17. a universal rotating shaft.

Detailed Description

The technical solutions of the present invention are described in further detail below, but the scope of the present invention is not limited to the following.

Example 1:

a bridge construction hoisting support comprises a bottom support frame 9, a hydraulic system 8, a hydraulic telescopic rod 13, a first boom 2, a second boom 2a, a mooring rope 5, a winch 6, a weight block 7, an electric control system 11 and a hook 1, wherein the hydraulic system 8 is installed on the bottom support frame 9, the hydraulic system 8 is connected with the hydraulic telescopic rod 13, an output shaft of the hydraulic telescopic rod 13 is connected with a universal rotating shaft 17, and the universal rotating shaft 12 is connected with a rotating shaft 3;

the rotating shaft 3 is respectively connected with two rotating blocks 4 which are hinged with the rotating shaft, one rotating block is connected with a second crane boom 2a, the other crane boom is connected with a first crane boom 2, one end, far away from the rotating blocks 4, of the first crane boom 2 is provided with a hook 1, one end, far away from the rotating blocks 4, of the second crane boom 2a is provided with a winch 6, the winch 6 is installed on a weight block 7, and a cable 5 wound on the winch 6 is connected with the hook 1 along the connecting direction of the first crane boom 2 and the second crane boom 2 a;

the electric control system 11 is connected with the universal rotating shaft 12.

In this embodiment, the first boom 2 and the second boom 2a have the same structure and are always kept on the same horizontal plane in the vertical and horizontal movement processes.

The working principle is as follows: hydraulic system 8 control hydraulic telescoping rod 13 reciprocates, and hydraulic telescoping rod 13 can drive first jib boom 2, second jib boom 2a, and couple 1 reciprocates, and electrical system 11 can drive universal axis of rotation 12 and rotate, can remove at the horizontal direction, consequently, can be convenient for the hoisting support carries out the hoist and mount of different regional article in same position.

Example 2:

in this embodiment, on the basis of embodiment 1, it is further limited that a wedge block 15 is arranged below one end of the first boom 2 connected to the hook 1, a vertical hook 14 is arranged on the lower end surface of the wedge block 15, and a hook ring 16 is arranged on the back surface of the opening surface in the hook 1. Wherein, when the hawser 5 drives the hook 1 to move upwards to the upper end of the hook 1 to abut against the first lifting arm 2, the vertical hook 14 is connected with the shackle 16.

In this embodiment, the first boom 2 is a mechanism adopted by a box-shaped mobile crane, and can be driven by the hydraulic telescopic rod 13 to move up and down and also move transversely under the driving action of the rotating shaft 3 in the horizontal direction, and the rotating range of the first boom 2 is in the range of-90 degrees to 90 degrees vertical to the second boom 2a and in the horizontal range.

Therefore, the bridge construction hoisting support in the whole embodiment can move in the horizontal and vertical range directions, and the problems that the existing support is small in application range, cannot move positions, is complex in azimuth adjustment operation and the like are solved.

In addition, first jib 2 connection couple 1 below sets up wedge 15, and vertical hook 14 sets up the lower terminal surface at wedge 15, and couple 1 rises gradually under the effect of hoist engine to hawser 5 pulling to being close to wedge 15, then vertical hook 14 is connected with the shackle 16 suitability on the couple 1, and vertical hook 14 is connected with shackle 16 promptly, and after the thing that hangs reachd the position that concrete will remove, makes couple 1 be the tilt state, makes string article such as the rope in couple 1 follow its inside roll-off.

Wherein, a universal rotating wheel 10 is arranged below the bottom support frame 9.

The specific structure of the universal rotary wheel 10 and its working principle are well known to those skilled in the art, and the specific function is to drive the whole bottom support 9 to move within the moving range.

The first boom 2 and the second boom 2a are provided with rope fixing rings convenient for the rope 5 to move in a telescopic manner, the specific structures of the rope fixing rings are shown in fig. 1, the rope fixing rings are specifically used for providing a certain moving space for the movement of the rope 5 driven by the winch 6, and meanwhile, the moving path of the rope 5 is preset. Preferably, the rope fixing ring is an arc-shaped suspension ring fixed on the surfaces of the first lifting arm 2 and the second lifting arm 2 a.

Example 3:

this embodiment is further defined on the basis of the above embodiment, wherein the cross section of the wedge block 15 is triangular, and a right-angle surface of the wedge block 14 is connected with the first lifting arm 2. The vertical hook 14 is installed on the inclined plane of the wedge block 15, and the vertical distance from the contact surface of the first lifting arm 2 and the wedge block 15 to the bottom end face of the vertical hook 14 is equal to the vertical distance from the connecting end of the hook 1 and the cable 5 to the shackle 16.

Wherein the hook ring 16 is connected with the hook 1 to form a circular ring.

In this embodiment, wedge 15 is right angle triangle, and vertical couple 14 installs on wedge 15's inclined plane, for the convenience of vertical couple 14 and the structurally better adaptation of shackle 16, sets up first boom 2 and the vertical distance that is equal to couple 1 and hawser 5 connection end to shackle 16 with wedge 15's contact surface to the vertical couple 14 bottom end face.

Namely, when the connecting end of the hook 1 and the cable 5 is close to the free end of the first boom 2 far away from the second boom 2a, the hook ring 16 is just hung on the vertical hook 14, and as the cable 5 continues to move, the hook 1 is in an inclined state, namely, the lowest point of the hook 1 moves upwards, the free end of the hook 1 moves downwards, and the wire or rope which is in situ bound with the moving object in the hook 1 moves downwards or slides out.

In the embodiment, in the vertical direction, the orthographic projection area of the vertical hook 14 is just located in the orthographic projection area of the hook ring 16, so that the hook ring 16 is matched and stably connected with the vertical hook 14 in the process that the cable 5 drives the hook 1 to move upwards.

When the first boom 2 and the second boom 2a of the hoisting support move to a position lower than the ground, the winch 6 operates the cable 5 to move so as to drive the hook 1 to move to the free end of the first boom 2. When the upper end of the hook 1 abuts against the lower surface of the first lifting arm 2, the vertical hook 14 is connected with the shackle 16, so that the hook 1 is inclined, the inclination degree is increased, and structures such as a rope and the like which are hung in the hook 1 and used for binding a moving object automatically slide down.

Wherein, hydraulic system 8, electrical system 11, weight 7 are all installed on bottom sprag frame 9.

The structures of the hydraulic system 8, the electric control system 11, the weight 7 and the like and the working principles thereof described in the embodiment are well known to those skilled in the art and will not be described in detail.

The weight 7 is installed on the bottom support frame 9, the specific structure of the weight 7 can be a bearing block, the specific structure of the bottom support frame 9 can be a support plate, specifically a quadrangular plate-shaped structure, or other structural members capable of supporting or supporting, which is well known by those skilled in the art and will not be described in detail.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A bridge construction hoisting support is characterized by comprising a bottom support frame (9), a hydraulic system (8), a hydraulic telescopic rod (13), a first crane boom (2), a second crane boom (2a), a mooring rope (5), a winch (6), a weight block (7), an electric control system (11) and a hook (1), wherein the hydraulic system (8) is installed on the bottom support frame (9), the hydraulic system (8) is connected with the hydraulic telescopic rod (13), an output shaft of the hydraulic telescopic rod (13) is connected with a universal rotating shaft (17), and the universal rotating shaft (12) is connected with a rotating shaft (3);

the rotating shaft (3) is respectively connected with two rotating blocks (4) which are hinged with the rotating shaft, one rotating block is connected with a second crane boom (2a), the other crane boom is connected with a first crane boom (2), one end, far away from the rotating blocks (4), of the first crane boom (2) is provided with a hook (1), one end, far away from the rotating blocks (4), of the second crane boom (2a) is provided with a winch (6), the winch (6) is installed on a weight block (7), and a cable (5) wound on the winch (6) is connected with the hook (1) along the connecting direction of the first crane boom (2) and the second crane boom (2 a);

the electric control system (11) is connected with the universal rotating shaft (12).

2. The bridge construction hoisting support according to claim 1, wherein a wedge block (15) is arranged below one end of the first jib (2) connected to the hook (1), a vertical hook (14) is arranged on the lower end face of the wedge block (15), and a hook ring (16) is arranged on the back of the open face in the hook (1).

3. A bridge construction lifting support according to claim 2, characterised in that the vertical hook (14) is connected to the shackle (16) when the cable (5) drives the hook (1) upwards to the point where the upper end of the hook (1) abuts the first jib (2).

4. A bridge construction lifting support according to claim 1, characterised in that below the bottom bracket (9) there are provided universal swivel wheels (10).

5. A hoisting support for bridge construction according to claim 1, wherein the first boom (2) and the second boom (2a) are provided with rope-fixing rings for facilitating the telescopic movement of the cable (5).

6. A hoisting support for bridge construction according to claim 1, characterized in that the rope fastening ring is an arc-shaped suspension ring fixed on the surface of the first and second crane arms (2, 2 a).

7. A bridge construction lifting support according to claim 2, characterised in that the cross-section of the wedge-shaped block (15) is triangular, and a right-angled side of the wedge-shaped block (15) is connected to the first jib (2).

8. A bridge construction lifting bracket according to claim 7, characterized in that the vertical hooks (14) are mounted on the inclined surface of the wedge-shaped block (15).

9. A bridge construction lifting bracket according to claim 7, characterised in that the shackle (16) is connected to the hook (1) to form a ring.

10. A bridge construction lifting support according to claim 7, wherein the hydraulic system (8), the electric control system (11) and the weight (7) are mounted on the bottom support frame (9).