CN217174406U - Steel box girder sliding device - Google Patents

Abstract

The utility model provides a steel box girder slider, including supporting mechanism, the track that slides, slide mechanism and drive mechanism, supporting mechanism is used for supporting the track that slides, sliding connection in the track that slides slide mechanism, slide mechanism is used for bearing the weight of the steel box girder, the track relative both ends that slide set up drive mechanism, drive mechanism is used for drawing slide mechanism, and follow the track reciprocating motion that slides. Through set up on the supporting mechanism the track that slides, through draw gear pulls steel box girder on the slide mechanism makes steel box girder follows slide mechanism follows the track that slides removes through simple structural design, can replace traditional hoist and mount removal technology, and is little to the material requirement of component structure, and the operation requirement is low, when effectively solving hoist and mount place restriction problem, can improve control accuracy, reduces the installation risk, practices thrift engineering time, reduction in production cost.

Description

Steel box girder sliding device

Technical Field

The utility model relates to a bridge construction technical field, in particular to steel box girder displacement device.

Background

At present, the mode of precast beam is mostly adopted to domestic bridge body, and is concrete, along the bridge shaft direction, opens up the prefabricated place at the rear, prefabricates the beam body (being the steel box girder) stage by stage to link into whole back with each section, pull the beam section to the opposite bank, wait to fall the roof beam after all accomplishing, can accomplish the bridge construction.

The existing steel box girder traction work is basically completed by hoisting by a crane, particularly for the girder feeding and installation of a large-span girder body.

When the hoisting process cannot be adopted due to the limited site, if a trestle is forcibly erected to create a hoisting platform, a large amount of time and production cost are wasted.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a steel box girder slider aims at solving among the prior art because of the place is limited, adopts hoist and mount technology to feed roof beam and installation, leads to consuming time power, and manufacturing cost draws high technical problem.

In order to achieve the above purpose, the present invention is realized by the following technical solution:

the utility model provides a steel box girder slider, includes supporting mechanism, the track that slides, slide mechanism and drive mechanism, supporting mechanism is used for supporting the track that slides, sliding connection in the track that slides slide mechanism, slide mechanism is used for bearing the steel box girder, the track relative both ends that slide set up drive mechanism, drive mechanism is used for pulling slide mechanism, and follow the track reciprocating motion that slides.

Compared with the prior art, the beneficial effects of the utility model reside in that: through set up on the supporting mechanism the track that slides, through draw gear pulls steel box girder on the slide mechanism makes steel box girder follows slide mechanism follows the track that slides removes through simple structural design, can replace traditional hoist and mount removal technology, and is little to the material requirement of component structure, and the operation requirement is low, when effectively solving hoist and mount place restriction problem, can improve control accuracy, reduces the installation risk, practices thrift engineering time, reduction in production cost. The method can be used for the in-situ unidirectional sliding of the large-span precast beam and the steel box girder, and can also be used for engineering projects such as heavy object movement, transportation, installation and the like with the condition of creating a sliding rail device.

Further, supporting mechanism includes the first support group of a plurality of, a plurality of first support group interval evenly distributed, first support group is including stone pad and basin formula support, the top of stone pad is connected the basin formula support, the basin formula support dorsad the one side of stone pad is connected the track that slides.

Furthermore, a pre-buried hole is formed in one surface, facing the basin-shaped support, of the cushion stone, and the basin-shaped support is fixed on the cushion stone through inserting a high-strength bolt.

Furthermore, the supporting mechanism further comprises a second supporting group, the second supporting group is arranged between the adjacent first supporting groups and comprises a supporting steel pipe and a flange plate, the top of the supporting steel pipe is connected with the flange plate, and the flange plate faces away from one side of the supporting steel pipe and is connected with the sliding track.

Furthermore, the track that slides includes H shaped steel, track steel and first angle steel, the one side of H shaped steel is connected supporting mechanism, H shaped steel is kept away from supporting mechanism's one side is connected the track steel, the relative both sides of track steel are along connecting first angle steel, first angle steel certainly the track steel is to keeping away from supporting mechanism's direction extends.

Furthermore, a yellow oil layer is covered on one surface of the rail steel, which is back to the H-shaped steel.

Furthermore, traction mechanism is including drawing support and electric block, draw and set up on the support electric block, electric block detachable connects the steel box roof beam, so that the steel box roof beam is followed the track that slides removes.

Furthermore, the traction mechanism further comprises a control switch, the control switch is arranged on the traction support, and the control switch is electrically connected with the electric hoist.

Further, slide mechanism includes gyro wheel, thickening steel sheet and rotating disc, the one side of thickening steel sheet is connected the gyro wheel, the thickening steel sheet dorsad the one side of gyro wheel is used for bearing the steel case roof beam, just the thickening steel sheet dorsad the one side of gyro wheel sets up rotating disc.

Still further, slide mechanism still includes the second angle steel, the relative lateral wall of thickening steel sheet sets up the second angle steel.

Drawings

Fig. 1 is a structural schematic view of a steel box girder sliding device in a working state in an embodiment of the present invention;

FIG. 2 is a schematic structural view of a steel box girder sliding device in the embodiment of the present invention;

FIG. 3 is a schematic structural view of the sliding mechanism of FIG. 2;

description of the main element symbols:

supporting mechanism	10	First support group	110
				Mat stone	111	Basin type support	112
Second support group	120	Support steel pipe	121
				Flange plate	122	Sliding track	20
H-shaped steel	210	Rail steel	220
				First angle steel	230	Sliding mechanism	30
Roller wheel	310	Thickened steel plate	320
				Rotary cushion disc	330	Second angle steel	340
Reinforced bearing	350	Traction mechanism	40
				Traction support	410	Electric hoist	420
Control switch	430	Steel box girder	50
				Capping beam	60

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the sliding apparatus for a steel box girder 50 according to the embodiment of the present invention includes a supporting mechanism 10, a sliding rail 20, a sliding mechanism 30 and a traction mechanism 40, wherein the supporting mechanism 10 is used for supporting the sliding rail 20, and it can be understood that the supporting mechanism 10 is disposed on a cover girder 60. Specifically, supporting mechanism 10 includes first support group 110 and second support group 120, first support group 110 includes stone pad 111 and basin formula support, the bottom of stone pad 111 connect in on the bent cap 60, the top of stone pad 111 is connected basin formula support 112, basin formula support 112 dorsad the one side of stone pad 111 is connected slip track 20. It can be understood that the supporting mechanism 10 includes a plurality of the first supporting sets 110, and a plurality of the first supporting sets 110 are uniformly distributed at intervals, and the supporting work of the sliding track 20 is completed by the cooperation of a plurality of the first supporting sets 110.

The bed stone 111 detachable connects basin formula support 112, preferably, bed stone 111 orientation pre-buried hole has been seted up to the one side of basin formula support 112, the fixed orifices has been seted up on the basin formula support 112, through inserting high strength bolt, will high strength bolt passes the fixed orifices reaches pre-buried hole, in order to incite somebody to action basin formula support 112 is fixed in on the bed stone 111.

The second support group 120 is disposed between the adjacent first support groups 110, and preferably, a plurality of the second support groups 120 are disposed between the adjacent first support groups 110, and the plurality of the second support groups 120 are uniformly distributed at intervals. Specifically, the second support group 120 includes a support steel pipe 121 and a flange 122, the support steel pipe 121 is fixed to the cap beam 60 by driving screws into the bottom of the support steel pipe 121, the flange 122 is connected to the top of the support steel pipe 121, and the sliding rail 20 is connected to a surface of the flange 122 facing away from the support steel pipe 121. Preferably, one surface of the flange 122, which faces away from the sliding rail 20, is connected to a plurality of the support steel pipes 121, so that the support points of the support steel pipes 121 are distributed more uniformly. The sliding rail 20 is supported more stably by the cooperation of the first support groups 110 and the second support groups 120. It can be understood that the heights of the first support group 110 and the second support group 120 are consistent, so that the sliding track 20 is always on the same horizontal line.

Slip track 20 includes H shaped steel 210, rail steel 220 and first angle steel 230, the one side of H shaped steel 210 is connected supporting mechanism 10, H shaped steel 210 is kept away from the one side of supporting mechanism 10 is connected rail steel 220, H shaped steel 210 is hot rolling H shaped steel 210, understandably, H shaped steel 210 dorsad the one side of supporting mechanism 10 is leveled with the iron plate copy pad, so that the connection of rail steel 220 is more level and more smooth, avoids producing the condition of jolting and derailing in the transportation of slipping to take place. It can be understood that the track steel 220 and the H-shaped steel 210 can be formed by splicing a plurality of steel plates, so that the length controllability is realized, and the track steel and the H-shaped steel can be adapted to various production sites and working conditions.

The opposite two side edges of the rail steel 220 are connected to the first angle steel 230, the first angle steel 230 extends from the rail steel 220 to a direction away from the supporting mechanism 10, and by arranging the first angle steel 230, a sliding groove is formed between the first angle steel 230 and the rail steel 220, so that the sliding mechanism 30 is slidably connected in the sliding rail 20. Meanwhile, the first angle steel 230 can be used as a limiting mechanism, so that the sliding mechanism 30 is prevented from being separated from the sliding track 20, and construction accidents are avoided.

Preferably, a yellow oil layer is covered on a surface of the rail steel 220 opposite to the H-shaped steel 210, and by providing the yellow oil layer, the moving resistance of the sliding mechanism 30 in the sliding rail 20 can be reduced, so that the sliding mechanism 30 can slide more smoothly in the sliding rail 20.

Slide mechanism 30 is used for bearing weight of steel box girder 50, specifically, slide mechanism 30 includes gyro wheel 310, thickening steel sheet 320 and swivel disc 330, thickening steel sheet 320's one side is connected gyro wheel 310, understandably, thickening steel sheet 320 orientation track steel 220's one side is connected gyro wheel 310, so that thickening steel sheet 320 can follow the gyro wheel 310 is followed track steel 220's length direction slides. Thickened steel board 320 dorsad the one side of gyro wheel 310 is used for bearing steel box girder 50, just thickened steel board 320 dorsad the one side of gyro wheel 310 sets up swivel disc 330, through setting swivel disc 330 can steel box girder 50 is fixed in back on the thickened steel board 320 is gone on steel box girder 50's position control, so that steel box girder 50 is in the best position of sliding all the time, makes things convenient for the constructor to operate. Preferably, the sliding mechanism 30 further includes a reinforced bearing 350, and the reinforced bearing 350 is disposed on the opposite side wall of the thickened steel plate 320, so that the overall structure of the sliding mechanism 30 is more stable and the bearing capacity is higher.

Slide mechanism 30 still includes second angle steel 340, the relative lateral wall of thickening steel sheet 320 sets up second angle steel 340, second angle steel 340 with first angle steel 230 sets up relatively. By arranging the second angle steel 340, the impact force generated by collision between the sliding mechanism 30 and the first angle steel 230 when the sliding mechanism 30 slides on the sliding track 20 can be reduced, and the situation that the steel box girder 50 on the sliding mechanism 30 is offset due to collision and the sliding mechanism 30 is blocked is avoided. Preferably, a grease layer is arranged on one surface of the first angle steel 230 facing the second angle steel 340, and a grease layer is arranged on one surface of the second angle steel 340 facing the first angle steel 230, so that impact force generated by collision is further reduced, and meanwhile, the whole sliding process is smooth.

And two opposite ends of the sliding rail 20 are provided with traction mechanisms 40, and the traction mechanisms 40 are used for drawing the sliding mechanism 30 and reciprocating along the sliding rail 20. Through set up on the supporting mechanism 10 the track 20 that slides, through draw gear pulls steel box girder 50 on the slide mechanism 30 makes steel box girder 50 follows slide mechanism 30 is followed slide track 20 removes, through simple structural design, can replace traditional hoist and mount removal technology, and the material requirement to the integral structure is little, and the operation requirement is low, when effectively solving hoist and mount place restriction problem, can improve control accuracy, reduces the installation risk, practices thrift engineering time, reduction in production cost. Besides being used for the in-situ unidirectional sliding of the large-span precast beam and the steel box girder 50, the device can also be used for engineering projects such as heavy object movement, transportation, installation and the like with the condition of creating the sliding track 20.

The traction mechanism 40 comprises a traction support 410 and an electric hoist 420, wherein the traction support 410 is composed of a steel plate and section steel. The opposite both ends of track roof beam set up pull support 410, pull and set up on the support 410 electric block 420, electric block 420 detachable connects steel box girder 50, so that steel box girder 50 follows the track 20 that slides moves. Specifically, the electric hoist 420 is provided with a hook, the steel box girder 50 is provided with a fixed point, and the hook penetrates through the fixed point to realize the detachable connection between the traction mechanism 40 and the steel box girder 50. The steel box girder 50 is placed on the sliding mechanism 30, and the traction mechanisms 40 arranged at the two opposite ends of the rail steel 220 alternately drag and push the steel box girder 50 to generate a position, the steel box girder 50 drives the sliding mechanism 30, and the sliding mechanism 30 and the traction mechanisms 40 are mutually matched to realize the sliding of the steel box girder 50.

The traction mechanism 40 further includes a control switch 430, the control switch 430 is disposed on the traction support 410, the control switch 430 is electrically connected to an external power source and the electric hoist, and the external power source can be turned on by turning on the control switch 430, so that the electric hoist 420 is powered on and operated. It is understood that the control switch 430 can also control the operation speed of the electric block 420, so as to avoid the situation that the work process is delayed due to too low speed or the sliding mechanism 30 is derailed due to too high speed.

Preferably, the relative both ends of track steel 220 still are provided with hand block, hand block detachable connects steel box girder 50, through setting up hand block can further control steel box girder 50's dilatory speed, simultaneously, also can avoid when electric block 420 damages, steel box girder 50 can't transport.

Preferably, the first angle steel 230 is marked with scale marks at intervals of the same distance, the scale marks are marked with corresponding numerical values, and by observing the positions of the scale marks where the sliding mechanisms 30 are located on the first angle steel 230, an observer can observe and record the traveling distance of the steel box girder 50, so that the pushing speeds of the traction mechanisms 40 arranged at the two opposite ends of the track girder are ensured to be different, and the situation that engineering accidents occur due to inconsistent force on the two sides is avoided.

The steel box girder 50 sliding device is further provided with a jack, the jack is used for jacking the sliding track 20, whether the sliding mechanism 30 travels along a straight line or not can be confirmed by observing the traveling route of the sliding mechanism 30, and if the sliding mechanism 30 is close to the side edge of the H-shaped steel 210, the sliding track 20 can be jacked by the jack, so that the sliding mechanism 30 travels along a correct route, and the sliding mechanism 30 is prevented from colliding with the sliding track 20.

After the sliding mechanism 30 transports the steel box girder 50 to a designated position, the sliding rail 20 is jacked up by using a plurality of jacks, after the steel box girder 50 is fixed, the sliding rail 20 is removed, and the steel box girder 50 is gradually pressed down until the steel box girder 50 falls onto the basin-shaped support 112, so as to complete the girder falling operation of the steel box girder 50. The structure of the steel box girder 50 moving and sliding device can be completed by adopting common materials, the requirement on the materials is low, and the production cost can be reduced to a certain degree.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a steel box girder sliding device, its characterized in that includes supporting mechanism, the track that slides, slide mechanism and drive mechanism, supporting mechanism is used for supporting the track that slides, sliding connection in the track that slides slide mechanism, slide mechanism is used for bearing the steel box girder, the relative both ends in track that slides set up drive mechanism, drive mechanism is used for pulling slide mechanism, and follow the track reciprocating motion that slides.

2. The steel box girder sliding device according to claim 1, wherein the supporting mechanism comprises a plurality of first supporting groups, the first supporting groups are evenly distributed at intervals, the first supporting groups comprise a cushion stone and a basin-shaped support, the basin-shaped support is connected to the top of the cushion stone, and the sliding rail is connected to the surface of the basin-shaped support, which faces away from the cushion stone.

3. The steel box girder sliding device according to claim 2, wherein a pre-buried hole is formed in one surface of the pad stone facing the basin-shaped support, and the basin-shaped support is fixed on the pad stone by inserting a high-strength bolt.

4. The steel box girder sliding device according to claim 2, wherein the supporting mechanism further comprises a second supporting group, the second supporting group is arranged between the adjacent first supporting groups, the second supporting group comprises a supporting steel pipe and a flange, the top of the supporting steel pipe is connected with the flange, and one surface of the flange, which faces away from the supporting steel pipe, is connected with the sliding rail.

5. The steel box girder sliding device according to claim 1, wherein the sliding rail comprises an H-shaped steel, a rail steel and a first angle steel, one surface of the H-shaped steel is connected with the supporting mechanism, one surface of the H-shaped steel, which is far away from the supporting mechanism, is connected with the rail steel, two opposite side edges of the rail steel are connected with the first angle steel, and the first angle steel extends from the rail steel in a direction far away from the supporting mechanism.

6. The steel box girder sliding device according to claim 5, wherein a layer of grease is covered on one surface of the rail steel, which is opposite to the H-shaped steel.

7. The steel box girder sliding device according to claim 1, wherein the traction mechanism comprises a traction support and an electric hoist, the electric hoist is arranged on the traction support, and the electric hoist is detachably connected with the steel box girder so that the steel box girder moves along the sliding track.

8. The steel box girder sliding device according to claim 7, wherein the traction mechanism further comprises a control switch, the control switch is arranged on the traction support and electrically connected with the electric hoist.

9. The steel box girder sliding device of claim 1, wherein the sliding mechanism comprises a roller, a thickened steel plate and a rotating disc, one side of the thickened steel plate is connected with the roller, the thickened steel plate faces away from the roller, one side of the roller is used for bearing the steel box girder, and the thickened steel plate faces away from the roller, one side of the roller is provided with the rotating disc.

10. The steel box beam skid of claim 9, wherein said sliding mechanism further comprises a second angle steel, said second angle steel being disposed on an opposite side wall of said thickened steel plate.

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