CN220202472U

CN220202472U - Perpendicularity adjusting device for first column of bridge girder erection machine

Info

Publication number: CN220202472U
Application number: CN202321749262.9U
Authority: CN
Inventors: 张元浩; 高志杰; 刘朝阳; 王秀民; 秦洪义; 孙植; 张小水; 张高波; 姜义民; 苏海明
Original assignee: Zhengzhou Engineering Co Ltd of China Railway Seventh Group Co Ltd
Current assignee: Zhengzhou Engineering Co Ltd of China Railway Seventh Group Co Ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2023-12-19
Anticipated expiration: 2033-07-05

Abstract

The utility model provides a first column verticality adjusting device of a bridge girder erection machine, which comprises: the support beam, push-pull mechanism and upright post are arranged at the bottom of the first column; the push-pull mechanism includes: the device comprises a power unit and a push-pull arm, wherein one end of the push-pull arm is in transmission connection with the power unit, and the other end of the push-pull arm penetrates through the supporting beam and is connected with an adapter; the upright post is inserted into a reserved hole of the pier body filler. The utility model can still complete the adjustment operation of the perpendicularity of the first column without using a hand-pulled guide chain, does not need manual operation by workers, has high safety coefficient and does not threaten the life safety of the workers, although the implementation of the utility model needs to use the reserved hole of the pier body and the reserved hole belongs to the necessary structure of the pier body, the utility model is necessary to exist simultaneously and is different from the guardrail around the pier body, so the problem of increasing the difficulty coefficient of the adjustment operation of the perpendicularity of the first column can not occur in the implementation of the utility model.

Description

Perpendicularity adjusting device for first column of bridge girder erection machine

Technical Field

The utility model belongs to the technical field of bridge girder erection machines, and particularly relates to a first column verticality adjusting device of a bridge girder erection machine.

Background

The JQ900A bridge girder erection machine is high-speed railway box girder erection equipment, the whole operation process is divided into two large steps of via holes and girder erection, when the JQ900A bridge girder erection machine is used for via hole operation, the first column, namely the front landing leg, of the bridge girder erection machine needs to carry out the following procedures: lifting longitudinally moves the first column, and moving the first column to the front abutment and supporting.

When a column is lifted and longitudinally moved, the reverse hanging wheel at the upper part of the column is stressed, the whole column state of the column is changed into an upper, front, lower and rear inclined state, the column is moved to the front abutment to be moved backwards, the column state of the column is required to be readjusted into a vertical state, and then the support pad is used for supporting the column, so that the stress of the whole column is stable.

In the prior art, when adjusting a post to the vertical state, firstly, use fixing device to fix the position of cylinder in the top of a post, then the below personnel use 2t hand guide chain to be connected with pier shaft protection railing with the lower part of a post bottom crossbeam, afterwards adjust the straightness that hangs down of a post through fastening hand guide chain, after the straightness that hangs down of cylinder accords with the requirement, support the cylinder again, however, after the both ends of hand guide chain are fixed in protection railing, unhook phenomenon appears easily, after the hand guide chain unhook, can lead to the fact the threat to staff's life safety, and hand guide chain is fixed on the guardrail, easily cause guardrail bending deformation, and have some pier shafts to be not set up the guardrail, when carrying out the hole operation on the pier shaft of no guardrail, the guide chain can not fix, this adjustment operation degree of difficulty coefficient of difficulty increase that can lead to a post straightness.

Accordingly, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.

Disclosure of Invention

The utility model aims to solve the problems that the hand-pulled guide chain for adjusting the perpendicularity of the first column of the bridge girder erection machine has potential safety hazards, the guide chain cannot be fixed without arranging pier bodies of guardrails, and great inconvenience is brought to construction in the prior art, and provides the perpendicularity adjusting device for the first column of the bridge girder erection machine.

In order to achieve the above object, the present utility model provides the following technical solutions:

a bridge girder erection machine first column straightness adjusting device that hangs down includes: the support beam, push-pull mechanism and upright post are arranged at the bottom of the first column; the push-pull mechanism includes: the device comprises a power unit and a push-pull arm, wherein one end of the push-pull arm is in transmission connection with the power unit, and the other end of the push-pull arm penetrates through the supporting beam and is connected with an adapter; the upright post is inserted into a preformed hole of the pier body bolster, and the upright post and the adapter are in butt joint in a hinged manner; the push-pull arm pushes the upright post through the adapter, so that the first upright post swings to adjust the verticality of the first upright post.

In the first column verticality adjusting device of the bridge girder erection machine, preferably, the power unit is an oil cylinder, and the oil cylinder is fixed on the side part of the supporting beam;

the push-pull arm is used as a power output rod of the oil cylinder, and an external thread is arranged at the power output end of the push-pull arm.

Preferably, the adaptor includes: the power output end of the push-pull arm is in threaded assembly with one end of the threaded sleeve;

the other end of the threaded sleeve is in butt joint with the outer ring surface of the connecting ring.

Preferably, the upright comprises: the positioning rod is matched with the reserved hole of the pier body filler, and the lower end of the positioning rod stretches into the reserved hole of the pier body filler.

Preferably, two hinge plates are arranged, and the two hinge plates are arranged at the upper ends of the positioning rods in a left-right mode.

Preferably, the connecting ring is disposed between the two hinge plates such that the ring hole of the connecting ring corresponds to the hinge hole of the hinge plate;

the connecting ring is connected with the hinged plate by inserting a pin shaft into the ring hole and the hinge hole which are mutually corresponding.

Preferably, the top surface of the supporting beam is provided with a level meter.

Preferably, rib plates are arranged on two sides of the supporting beam.

The beneficial effects are that: the utility model can still complete the adjustment operation of the perpendicularity of the first column without using a hand-pulled guide chain, does not need to be manually operated by workers, has high safety coefficient and does not threaten the life safety of the workers, although the implementation of the utility model needs to use the reserved hole of the pier body and the reserved hole belongs to the necessary structure of the pier main body, the utility model is necessary to exist simultaneously and is different from the guardrail around the pier body, so the problem of increasing the difficulty coefficient of the adjustment operation of the perpendicularity of the first column can not occur in the implementation of the utility model, and the stability of the construction progress is ensured.

Drawings

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

FIG. 1 is an overall schematic of the present utility model;

FIG. 2 is a schematic view of the present utility model's upright post applied to a pier shaft bolster;

FIG. 3 is an enlarged view of FIG. 1 at A;

FIG. 4 is an enlarged view at B in FIG. 2;

fig. 5 is a top view of the adaptor structure of the present utility model.

In the figure: 1. a support beam; 2. a first column; 3. a push-pull arm; 4. an oil cylinder; 5. a threaded sleeve; 6. a connecting ring; 7. a positioning rod; 8. a hinged plate; 9. a level gauge; 10. rib plates.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

In the description of the present utility model, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present utility model and do not require that the present utility model must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.

The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

Examples

Referring to fig. 1, a device for adjusting perpendicularity of a first column of a bridge girder erection machine includes: the support beam 1, push-pull mechanism and stand, the support beam 1 is fixed in the post bottom of post 2, the support beam 1 includes braced frame and backup pad, braced frame is around the side profile a week of backup pad, braced frame and backup pad are steel, make braced frame and backup pad welding together, simultaneously in the both sides equipartition full floor 10 of backup pad, the supporting property of support beam 1 is strengthened through floor 10, the spirit level 9 has all been installed to the top surface left and right sides of backup pad, this spirit level 9 can be the bubble spirit level, make the workman accurately know the vertical angle of post 2 through this spirit level 9, it is convenient to the regulation operation of post 2 straightness to the workman.

Referring to fig. 1, 3 and 5, the push-pull mechanism comprises a power unit and push-pull arms 3, wherein through holes are formed in the left side and the right side of the plate surface of the supporting plate, the push-pull arms 3 penetrate through the through holes, the rear ends of the push-pull arms 3 are in transmission connection with the power unit, the front ends of the push-pull arms 3 are connected with an adapter, and the front ends of the push-pull arms 3 avoid rib plates 10; the power unit is an oil cylinder 4, the oil cylinder 4 is arranged at the rear side of the supporting plate, the oil cylinder 4 is fixed with the supporting plate through a flange plate, the push-pull arm 3 is used as a power output rod of the oil cylinder 4, the push-pull arm 3 is controlled to stretch and retract through the oil cylinder 4, and an external thread is processed at the power output end of the push-pull arm 3; the adaptor includes: the rear end of the threaded sleeve 5 is assembled with the power output end of the push-pull arm 3 through threads, the front end of the threaded sleeve 5 is in butt joint with the outer annular surface of the connecting ring 6, and the annular hole orientation of the connecting ring 6 is consistent with the length direction of the supporting beam 1 so as to be connected with the upright post, wherein the threaded sleeve 5 and the push-pull arm 3 are sleeved together through threads, the assembly of the adapter and the push-pull arm 3 is facilitated, and meanwhile, the annular hole orientation of the connecting ring 6 is also convenient to adjust.

Referring to fig. 2, 3 and 4, the column includes: the positioning rod 7 and the hinged plate 8, the positioning rod 7 is matched with the preformed hole of the pier body filler, the lower end of the positioning rod 7 stretches into the preformed hole of the pier body filler, the hinged plate 8 is provided with two hinged plates 8, the upper ends of the positioning rod 7 are arranged on the left side and the right side of the two hinged plates 8, the connecting ring 6 is arranged between the two hinged plates 8, so that the annular hole of the connecting ring 6 corresponds to the hinge hole of the hinged plate 8, and based on the positioning rod, the connecting ring 6 and the hinge plate 8 can be connected together by inserting a pin shaft into the corresponding annular hole and hinge hole.

During actual operation, after the first column 2 moves forward to the upper part of the bridge pier, the displacement distance of the column bottom of the first column 2 exceeds the reserved hole of the pier body backing stone, the column bottom of the first column 2 is ensured not to correspond to the reserved hole of the pier body backing stone, so as to avoid interference to the connection of the push-pull arm 3 and the upright post, then an adapter is arranged at the front end of the push-pull arm 3 in a threaded manner, the annular hole direction of a connecting ring 6 on the adapter is consistent with the left-right direction, then the upright post is arranged, a worker holds a positioning rod 7, the interval of two hinge plates 8 at the upper end of the positioning rod 7 corresponds to the connecting ring 6 and is close to the connecting ring 6, the connecting ring 6 is finally positioned between the two hinge plates 8, the annular hole of the connecting ring 6 is ensured to correspond to the hinge hole of the hinge plate 8, then a pin shaft is inserted into the annular hole and the hinge plate 8 which are mutually corresponding, the butt joint of the two is completed, the telescopic length of the push-pull arm 3 is adjusted through the oil cylinder 4, the position of the positioning rod 7 is continuously changed through the telescopic of the push-pull arm 3, but the vertical state of the positioning rod 7 is not influenced, so that the positioning rod 7 finds the position corresponding to the pier body and the bolster preformed hole, the bottom of the positioning rod 7 is inserted into the corresponding preformed hole, the bottom of the positioning rod 7 is not required to be contacted with the bottom of the preformed hole, a space capable of moving downwards is reserved for the positioning rod 7, because the first column 2 swings in an arc track, the initial state is an inclined state from top to bottom, the vertical degree of the first column 2 can be adjusted towards the correct direction only by the pushing force generated by the push-pull arm 3 to the vertical column, the height of one end of the connecting adaptor of the push-pull arm 3 is lowered correspondingly, the height of the positioning rod 7 is lowered, and finally, the column number 2 is adjusted to be horizontal against the level gauge 9 on the support beam 1.

It is to be understood that the above description is exemplary only and that the embodiments of the present application are not limited thereto.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.

Claims

1. Bridge crane column one straightness adjusting device that hangs down, its characterized in that includes:

the support beam is arranged at the bottom of the first column;

a push-pull mechanism comprising: the device comprises a power unit and a push-pull arm, wherein one end of the push-pull arm is in transmission connection with the power unit, and the other end of the push-pull arm penetrates through the supporting beam and is connected with an adapter;

the upright post is inserted into the reserved hole of the pier body bolster, and the upright post and the adapter are in butt joint in a hinged manner;

the push-pull arm pushes the upright post through the adapter, so that the first upright post swings to adjust the verticality of the first upright post.

2. The bridge girder erection machine number one column verticality adjusting device according to claim 1, wherein the power unit is an oil cylinder, and the oil cylinder is fixed on the side part of the supporting beam;

3. The bridge girder erection machine primary column verticality adjustment device according to claim 2, wherein the adapter comprises: the power output end of the push-pull arm is in threaded assembly with one end of the threaded sleeve;

4. A first column verticality adjustment device of a bridge girder erection machine according to claim 3, wherein the upright comprises: the positioning rod is matched with the reserved hole of the pier body filler, and the lower end of the positioning rod stretches into the reserved hole of the pier body filler.

5. The first column verticality adjusting device of a bridge girder erection machine according to claim 4, wherein two hinge plates are arranged, and the two hinge plates are arranged at the upper ends of the positioning rods in a left-right mode.

6. The bridge girder erection machine number one column verticality adjustment device according to claim 5, wherein the connection ring is disposed between two hinge plates such that an annular hole of the connection ring corresponds to a hinge hole of the hinge plate;

7. The bridge girder erection machine number one column verticality adjusting device according to claim 1, wherein a level gauge is arranged on the top surface of the supporting beam.

8. The bridge girder erection machine number one column verticality adjusting device according to claim 1, wherein rib plates are arranged on two sides of the supporting beam.