CN216583858U

CN216583858U - Segmental beam hanger

Info

Publication number: CN216583858U
Application number: CN202122457883.7U
Authority: CN
Inventors: 周胜民; 段继耀; 邓晓峰; 陈永光; 谢周余; 张平; 容敏; 杨佳伟; 韦高飞; 程贝贝
Original assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ No 2 Engineering Co Ltd
Current assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ No 2 Engineering Co Ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-05-24
Anticipated expiration: 2031-10-12

Abstract

The invention discloses a segment beam lifting appliance, which comprises a carrying pole beam, wherein two ends of the carrying pole beam are respectively provided with a suspender device for connecting the segment beam, the middle part of the carrying pole beam is hinged with a leveling frame for connecting a sling, one side of the leveling frame, which is close to the end part of the carrying pole beam, is provided with a leveling oil cylinder, the cylinder body of the leveling oil cylinder is hinged with the leveling frame, and one end of the carrying pole beam is provided with a connecting frame hinged with a piston rod of the leveling oil cylinder. This application has the stability that improves the segmental beam and lift by crane the in-process to reduce the wobbling range of shoulder pole roof beam, thereby improve construction safety's effect.

Description

Segmental beam hanger

Technical Field

The invention relates to the technical field of lifting appliances, in particular to a segmental beam lifting appliance.

Background

In the construction industry, a conventional segmental beam hanger generally includes a carrying pole beam, a sling is connected to the middle of the carrying pole beam, and suspenders are disposed at both ends of the carrying pole beam. In the in-service use process, because of the weight of the segmental beam of different segments, the focus differs to lead to the hoist at the in-process of hoist segmental beam, the shoulder pole roof beam easily takes place to incline, thereby lead to the segmental beam great at the in-process amplitude of fluctuation of lifting by crane, the hoist and mount process is unstable, has great potential safety hazard. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

In order to make the segmental beam more steady in the hoisting process, the application provides a segmental beam hanger.

The application provides a section roof beam hoist adopts following technical scheme:

the utility model provides a festival section roof beam hoist, includes the shoulder pole roof beam, the both ends of shoulder pole roof beam all are provided with the jib device that is used for connecting the festival section roof beam, the middle part of shoulder pole roof beam articulates there is the leveling frame that is used for supplying the hoist cable to connect, one of them side that the leveling frame is close to the shoulder pole roof beam tip is provided with leveling cylinder, leveling cylinder's cylinder body is articulated with leveling frame, the one end of shoulder pole roof beam is provided with the link articulated with leveling cylinder's piston rod.

By adopting the technical scheme, the suspender device is used for connecting the segment beam, after the crane is connected with the leveling frame through the chain, if the carrying pole beam inclines in the lifting process of the segment beam, the leveling cylinder is started to adjust the extending length of the piston rod, and after the length of the piston rod of the leveling cylinder changes, the carrying pole beam can rotate relative to the leveling frame around the hinge shaft, so that the carrying pole beam is leveled, and the leveling cylinder can stably limit the movement of the carrying pole beam, so that the segment beam stably rises in the lifting process, the swinging amplitude of the carrying pole beam is reduced, the possibility of falling off of the carrying pole beam is further reduced, and the construction safety is improved.

Preferably, the suspender device comprises a base arranged on the upper surface of the shoulder pole beam, the base is provided with a balance beam, the balance beam and the shoulder pole beam are vertically arranged, and two ends of the balance beam extend out of the shoulder pole beam and are provided with suspenders.

Through adopting above-mentioned technical scheme, before lifting by crane the segmental beam, pass the hole of reserving on the segmental beam with the jib, jib stretch into behind the inner box of segmental beam with segmental beam locking connection to link together hoist and segmental beam. And the two ends of each balance beam are provided with the hanging rods, so that the stress of the lifting appliance is more uniform while the lifting points are increased, and the lifting process of the section beam is more stable.

Preferably, the base is in sliding clamping connection with the shoulder pole beam along the length direction of the shoulder pole beam, and a driving assembly for driving the base to move is arranged on the shoulder pole beam.

Through adopting above-mentioned technical scheme, because of the power that leveling cylinder can provide is limited, consequently, through utilizing drive assembly to order about the base to remove along the length direction of shoulder pole roof beam to can adjust the interval between jib device and the leveling frame, and then can change the moment of jib device relative leveling frame articulated shaft department when lifting by crane section roof beam, thereby reduce leveling cylinder's load, with the lifting capacity of reinforcing hoist.

Preferably, the driving assembly comprises a screw rod installed on the upper surface of the shoulder pole beam, the screw rod extends from the end part of the shoulder pole beam to the direction close to the leveling frame, the screw rod rotates relative to the shoulder pole beam, and the screw rod penetrates through the base and is in threaded connection with the base.

Through adopting above-mentioned technical scheme, because of base and shoulder pole roof beam slip joint, consequently, can drive the base and move towards the direction of being close to or keeping away from the alignment frame through rotating the screw rod to the realization is to the regulation of jib device relative alignment frame position.

Preferably, the base comprises an I-steel, and the two wing plates of the I-steel are respectively positioned on two sides of the length direction of the carrying pole beam and are in sliding connection with the carrying pole beam.

Through adopting above-mentioned technical scheme, the work steel plays the guide effect to the jib device for the jib device can only move along the direction that is on a parallel with the screw rod axis under the drive of screw rod, thereby drives the jib device and removes towards the direction that is close to or keeps away from the leveling frame.

Preferably, fixedly connected with channel-section steel on the I-steel, the compensating beam is arranged in the channel-section steel and is articulated with the channel-section steel and set up, leave the clearance between the diapire of compensating beam and channel-section steel.

Through adopting above-mentioned scheme for the channel-section steel rotates relatively to the compensating beam, thereby conveniently is connected jib and festival section roof beam.

Preferably, both ends of the balance beam are hinged with supports, the rotating plane of each support is parallel to the rotating plane of the shoulder pole, and the hanging rods are fixed on the supports.

Through adopting above-mentioned technical scheme, the compensating beam rotates relatively to the support, thereby the jib is fixed on the support and is made the compensating beam rotation relatively to the jib, and the compensating beam base relatively rotates to make the jib can be at two mutually perpendicular's orientation internal rotation, convenience when further improving jib and section roof beam and being connected.

Preferably, the carrying pole beam is arranged in a hollow mode, and a plurality of reinforcing plates are arranged in the carrying pole beam at intervals.

By adopting the technical scheme, the hollow arrangement of the shoulder pole beam is favorable for reducing the whole weight of the lifting appliance, thereby reducing the useless work of lifting the section beam and playing a role in energy conservation. The existence of the reinforcing plate strengthens the structural strength of the shoulder pole beam and greatly enhances the bearing capacity of the shoulder pole beam.

In summary, the present application includes at least one of the following beneficial technical effects:

after the segment beam is hoisted by the hoist, if the carrying pole beam inclines, the carrying pole beam can be driven to rotate by adjusting the extending length of the piston rod of the leveling cylinder, so that the carrying pole beam is leveled, and the segment beam can stably ascend in the hoisting process;

the screw rod is rotated to drive the base to move towards the direction close to or far away from the leveling frame, so that the distance between the suspender device and the leveling frame can be adjusted, the gravity center of the section beam can be better matched, the burden of the leveling cylinder is reduced, and the lifting capacity of the lifting appliance is enhanced;

by arranging the balance beam in a hinged manner with the base and the support in a hinged manner with the balance beam, the suspension rod can rotate in two directions, so that the suspension rod is connected with the section beam.

Drawings

Fig. 1 is a schematic view 1 of the overall construction of a spreader in the present application;

fig. 2 is a schematic view 2 of the overall construction of a spreader in the present application;

fig. 3 is an enlarged schematic view of a in fig. 2 in the present application.

Description of reference numerals:

1. a shoulder pole beam; 2. a reinforcing plate; 3. leveling frames; 31. leveling; 32. connecting blocks; 4. a movable pulley; 5. a leveling cylinder; 6. a connecting frame; 7. a base; 71. i-shaped steel; 72. channel steel; 8. a balance beam; 9. a support; 10. a boom; 11. a drive assembly; 111. a screw; 112. a fixed block; 113. a handwheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a segmental beam hanger. Referring to fig. 1, the lifting appliance comprises a carrying pole beam 1, wherein the cross section of the carrying pole beam 1 is square, and the carrying pole beam 1 is hollow so as to reduce the whole weight of the lifting appliance. A plurality of reinforcing plates 2 are welded and fixed in the shoulder pole beam 1, and the reinforcing plates 2 are distributed at intervals along the length direction of the shoulder pole beam 1 so as to enhance the structural strength of the shoulder pole beam 1. Both ends of the shoulder pole beam 1 are provided with a group of suspender devices used for connecting the segmental beams. The middle part of the shoulder pole beam 1 is provided with a leveling frame 3 for connecting a sling.

Referring to fig. 1, the leveling frame 3 includes two leveling plates 31 disposed opposite to each other and a connecting block 32 welded and fixed between the two leveling plates 31. The two leveling plates 31 are respectively positioned at two sides of the length direction of the carrying pole beam 1 and are abutted against the carrying pole beam 1, and the two leveling plates 31 are rotatably connected with the carrying pole beam 1 through pin shafts. A space is left between the shoulder pole beam 1 and the bottom of the connecting block 32, so that the shoulder pole beam 1 and the leveling frame 3 can rotate relatively. One end of the leveling frame 3, which is far away from the shoulder pole beam 1, is hinged with a movable pulley 4, and the movable pulley 4 is used for being connected with a crane.

Referring to fig. 1, a leveling cylinder 5 is installed on one side wall of the connecting block 32 facing the end of the carrying pole beam 1, the cylinder body of the leveling cylinder 5 is hinged with the side wall of the connecting block 32, and a connecting frame 6 connected with the leveling cylinder 5 is arranged at one end of the carrying pole beam 1. The connecting frame 6 is arranged in an L shape, one end of the connecting frame 6 is vertically welded and fixed with the upper surface of the carrying pole beam 1, and the other end of the connecting frame 6 is hinged with a piston rod of the leveling cylinder 5. After the suspender device is connected with the segment beam, if the carrying pole beam 1 inclines, the carrying pole beam 1 can be driven to rotate around the pin shaft by adjusting the extension or the shortening of the piston rod of the leveling cylinder 5, so that the carrying pole beam 1 is straightened, and the segment beam is kept stable in the hoisting process.

Referring to fig. 1 and 2, the boom device includes a base 7 disposed on an upper surface of the carrying pole beam 1, a balance beam 8 is hinged to the base 7, and a hinge shaft of the balance beam 8 and the base 7 passes through a middle portion of the balance beam 8. The axis of the balance beam 8 is vertical to the axis of the carrying pole beam 1, and two ends of the balance beam 8 extend out of the carrying pole beam 1. Both ends of compensating beam 8 all are provided with support 9, and support 9 is the square frame form setting, and compensating beam 8 passes and articulates with the last frame of support 9 from support 9 is inside, has the interval between compensating beam 8 and the side frame of support 9. The middle part of the lower frame of the bracket 9 is fixedly connected with a suspender 10, the suspender 10 is provided with an external thread, and the suspender 10 is in threaded connection with a nut. When the segmental beam is lifted, the balance beam 8 is hinged to the base 7, the support 9 is hinged to the balance beam 8, the suspender 10 can be dragged, the suspender 10 penetrates through a hole reserved in the segmental beam and extends into an inner box of the segmental beam, then the nut is sleeved on the suspender 10 and screwed, and the suspender 10 and the segmental beam are locked, so that the segmental beam can be lifted.

Referring to fig. 2 and 3, the base 7 is slidably engaged with the carrying pole beam 1, and the carrying pole beam 1 is provided with a driving assembly 11 for driving the base 7 to move. The base 7 comprises an I-shaped steel 71 and a channel steel 72 fixed on the I-shaped steel 71. Two wing plates of the I-shaped steel 71 are respectively positioned at two sides of the length direction of the carrying pole beam 1 and are in sliding connection with the carrying pole beam 1, and a web plate of the I-shaped steel 71 is in sliding butt joint with the upper surface of the carrying pole beam 1.

Channel-section steel 72 is horizontal on the web of I-steel 71, and the compensating beam 8 is arranged in channel-section steel 72 and is articulated the setting with the pterygoid lamina 72 of channel-section steel, leaves the clearance between the bottom of compensating beam 8 and channel-section steel 72 to make compensating beam 8 can rotate at the relative channel-section steel 72 of certain extent.

Referring to fig. 2 and 3, two sets of driving assemblies 11 are provided, and the two sets of driving assemblies 11 are respectively used for driving the two bases 7 to move. The driving assembly 11 includes a screw 111 and two fixing blocks 112. The same set of two fixed blocks 112 are located on either side of the direction of movement of the boom assembly. The screw 111 penetrates through one fixing block 112, the two wing plates of the channel steel 72 and the other fixing block 112 in sequence, the screw 111 is rotatably connected with the fixing block 112 through a bearing, and the screw 111 is in threaded connection with the channel steel 72. A hand wheel is fixedly connected to one end of the screw 111 far away from the leveling frame 3, so that the screw 111 can be rotated.

When the position of the leveling frame 3 is adjusted relatively to the boom device, the hand wheel is rotated to drive the screw rod 111 to rotate, and the I-steel 71 limits the channel steel 72 to rotate along with the screw rod 111, so that the boom device moves towards the direction close to or far away from the leveling frame 3, the position of the boom device is adjusted, and the boom device can be better adapted to the gravity center of the section beam. The stability of the segmental beam in the hoisting process is further improved by matching with the correction effect of the leveling cylinder 5 on the carrying pole beam 1; meanwhile, the load of the leveling cylinder 5 is reduced, so that the lifting capacity of the lifting appliance is enhanced.

The implementation principle of this application section roof beam hoist does:

when the segmental beam is hoisted, the position of the gravity center of the segmental beam is roughly estimated according to the size of the segmental beam, and then the screw rod 111 is rotated to drive the suspender device to move, so that the distance between the suspender device and the leveling frame 3 is adjusted, and the stress on the two ends of the shoulder pole beam 1 is relatively balanced. And then, hoisting the section beam, and when the section beam is lifted off the ground, if the carrying pole beam 1 is inclined, leveling the carrying pole beam 1 through the leveling oil cylinder 5, so that the shaking of the section beam in the hoisting process is reduced, the section beam is kept stable in the hoisting process, and the construction safety is favorably improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A segmental beam hanger comprises a carrying pole beam (1), and is characterized in that: the suspension rod device is characterized in that suspension rod devices used for connecting the segmental beams are arranged at two ends of each carrying pole beam (1), the middle of each carrying pole beam (1) is hinged with a leveling frame (3) used for connecting suspension cables, one side, close to the end part of each carrying pole beam (1), of each leveling frame (3) is provided with a leveling oil cylinder (5), a cylinder body of each leveling oil cylinder (5) is hinged with each leveling frame (3), and one end of each carrying pole beam (1) is provided with a connecting frame (6) hinged with a piston rod of each leveling oil cylinder (5).

2. A segment beam spreader according to claim 1, wherein: the suspender device comprises a base (7) arranged on the upper surface of the carrying pole beam (1), wherein a balance beam (8) is arranged on the base (7), the balance beam (8) is perpendicular to the carrying pole beam (1), and two ends of the balance beam (8) extend out of the carrying pole beam (1) and are provided with suspenders (10).

3. A segment beam spreader according to claim 2, wherein: the base (7) is in sliding clamping connection with the shoulder pole beam (1) along the length direction of the shoulder pole beam (1), and a driving assembly (11) for driving the base (7) to move is arranged on the shoulder pole beam (1).

4. A segment beam spreader according to claim 3, wherein: the driving assembly (11) comprises a screw rod (111) installed on the upper surface of the carrying pole beam (1), the screw rod (111) extends from the end part of the carrying pole beam (1) to the direction close to the leveling frame (3), the screw rod (111) rotates relative to the carrying pole beam (1), and the screw rod (111) penetrates through the base (7) and is in threaded connection with the base (7).

5. A segment beam spreader according to claim 3, wherein: the base (7) comprises an I-shaped steel (71), and two wing plates of the I-shaped steel (71) are respectively positioned on two sides of the length direction of the carrying pole beam (1) and are in sliding connection with the carrying pole beam (1).

6. A segmental beam spreader according to claim 5, wherein: fixedly connected with channel-section steel (72) on I-steel (71), compensating beam (8) are arranged in channel-section steel (72) and are articulated to be set up with channel-section steel (72), leave the clearance between the diapire of compensating beam (8) and channel-section steel (72).

7. A segmental beam spreader according to claim 6, wherein: both ends of the balance beam (8) are hinged with brackets (9), the rotating plane of the brackets (9) is parallel to the rotating plane of the carrying pole beam (1), and the suspender (10) is fixed on the brackets (9).

8. A segment beam spreader according to claim 1, wherein: the carrying pole beam (1) is arranged in a hollow mode, and a plurality of reinforcing plates (2) are arranged in the carrying pole beam (1) at intervals.