CN111676834A - Double-stroke adjustable walking type pushing device and pushing method - Google Patents
Double-stroke adjustable walking type pushing device and pushing method Download PDFInfo
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- CN111676834A CN111676834A CN202010708903.0A CN202010708903A CN111676834A CN 111676834 A CN111676834 A CN 111676834A CN 202010708903 A CN202010708903 A CN 202010708903A CN 111676834 A CN111676834 A CN 111676834A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 210000001503 joint Anatomy 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The invention discloses a double-stroke adjustable walking type pushing device and a pushing method, comprising a first pushing structure and a second pushing structure which are positioned on a base, wherein the first pushing structure and the second pushing structure both comprise: the jacking structure comprises a jacking jack positioned on the base, the jacking jack is connected with the base in a front-back sliding manner, an output shaft of the jacking jack is arranged far away from the base, and a jack cap is connected to the output shaft of the jacking jack; the stroke structure comprises a front pushing jack and a rear pushing jack, the front pushing jack and the rear pushing jack are connected with the base, and output shafts of the front pushing jack and the rear pushing jack are connected with the jacking jacks; the pushing directions of the front and rear pushing jacks of the first pushing structure and the second pushing structure are on the same straight line. This scheme can improve and push away construction efficiency that advances, reduce time cost and cost of labor.
Description
Technical Field
The invention relates to the technical field of construction, in particular to a double-stroke adjustable walking type pushing device and a pushing method.
Background
In the era of rapid development of building engineering, the incremental launching construction technology is also commonly applied to building engineering, because of the large amount of applications of steel structure bridges in the present stage, its molding is more and more diversified, in the construction of traditional bridge incremental launching, as the atress conversion equipment of the bridge in the incremental launching process through incremental launching jack and shaped steel cushion group, in order to guarantee that shaped steel cushion block and beam bottom are closely knit to contact, need the continuous steel sheet of using different thickness in the incremental launching process, shaped steel is copied and is filled up in order to satisfy the temporary support atress requirement, the extravagant a large amount of manpowers of cushion group handling work, the material cost, need constantly take out and change shaped steel cushion block and adjust the discrepancy in elevation in the incremental launching construction process, this process is time-consuming and energy-wasting, and incremental launching construction.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a double-stroke adjustable walking type pushing device and a pushing method aiming at the defects of the prior art, which can improve the pushing forward construction efficiency and reduce the time cost and the labor cost.
The technical scheme is as follows: the invention provides a double-stroke adjustable walking type pushing device, which comprises a first pushing structure and a second pushing structure which are positioned on a base, wherein the first pushing structure and the second pushing structure both comprise:
the jacking structure comprises a jacking jack positioned on the base, the jacking jack is connected with the base in a front-back sliding manner, an output shaft of the jacking jack is arranged far away from the base, and a jack cap is connected to the output shaft of the jacking jack;
the stroke structure comprises a front pushing jack and a rear pushing jack, the front pushing jack and the rear pushing jack are connected with the base, and output shafts of the front pushing jack and the rear pushing jack are connected with the jacking jacks;
the pushing directions of the front and rear pushing jacks of the first pushing structure and the second pushing structure are on the same straight line.
Furthermore, the base is provided with two guide grooves for connecting the first pushing structure and the second pushing structure respectively, and the two guide grooves are on the same straight line;
the jacking jack is connected with the guide groove in a sliding mode front and back through the base.
Furthermore, the jacking jack is connected with the base in a left-right sliding manner;
the base is provided with a left pushing jack and a right pushing jack, and output shafts of the left pushing jack and the right pushing jack are connected with the jacking jacks.
Furthermore, two fixed platforms for erecting the front and rear pushing jacks are arranged on the base.
Furthermore, an angle adjusting piece is arranged between the output shaft of the jacking jack and the jack cap.
Further, the angle adjusting piece comprises an adjusting ball;
the jack is characterized in that a ball support for embedding the adjusting ball is arranged on the jack output shaft, an accommodating cavity in butt joint with the ball support is formed in the jack cap, and the adjusting ball is located between the ball support and the accommodating cavity.
Furthermore, a distribution beam seat is connected below the base.
A double-stroke adjustable walking type pushing method comprises the following steps:
connecting the base to the distribution beam seat, and enabling the jack cap to face the bridge to be pushed;
controlling a rear jacking jack to jack the bridge to be separated from the bridge assembly jig frame, controlling corresponding front and rear jacking jacks to push the base, and pushing the bridge to move forward to a certain distance;
controlling the front jacking jack to jack the bridge to be separated from the rear jacking jack, controlling the corresponding front and rear jacking jacks to push the movable base, and pushing the bridge to move forward to a certain distance;
meanwhile, the rear jacking jack and the front and rear jacking jacks fall back to the initial positions, and the next jacking is carried out;
the continuous jacking, pushing and cylinder returning of the bridge are completed through the two jacking jacks and the front and rear pushing jacks to continuously and circularly jack up and push forward until the bridge is translated to a set position.
Has the advantages that:
(1) the scheme utilizes the first pushing structure and the second pushing structure which work alternately to push the bridge alternately, wherein the bridge is pushed up by the jacking structure, the bridge is pushed forward by the stroke structure, and the profile steel cushion block does not need to be filled in the process, so that the problems of long height difference adjusting time, low construction efficiency and high economic cost caused by the replacement of the profile steel cushion block in the pushing construction process are solved;
(2) the angle adjusting piece arranged in the scheme can enable the pushing radian of the jack cap to be changed continuously by using the adjusting ball, so that the stress of the bridge is uniform, and the pushing process is more stable;
(3) the left and right jacking jacks can adjust the transverse positions of the jacking jacks on the base, so that the jacking jacks can jack the bridge more stably.
Drawings
FIG. 1 is a schematic structural view of the present solution for embodying a front and rear jack and a left and right jack;
FIG. 2 is a schematic structural view of a distribution beam seat according to the present embodiment;
FIG. 3 is a schematic structural diagram of the present solution for embodying the pushing process;
FIG. 4 is a schematic structural diagram of the present solution for embodying the pushing process;
fig. 5 is a schematic structural diagram of the present solution for embodying the pushing process.
In the figure: 1. a base; 11. a guide groove; 2. a jacking jack; 21. a jack cap; 22. a base; 3. pushing the jack forwards and backwards; 31. a fixed table; 4. adjusting the ball; 41. a ball support; 42. an accommodating chamber; 5. a distribution beam seat; 6. and a jack is pushed leftwards and rightwards.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example 1: a double-stroke adjustable walking type pushing device is shown in figures 1-5 and comprises a first pushing structure and a second pushing structure which are positioned on a base 1, and in order to realize the pushing of a bridge, the pushing directions of front and rear pushing jacks 3 of the first pushing structure and the second pushing structure are on the same straight line. It can be understood that the first pushing structure and the second pushing structure are connected to the base 1, and can work alternately to realize the pushing of the bridge.
In some embodiments, the base 1 may be a base 1 with a two-stroke guiding slot 11, the first pushing structure and the second pushing structure are respectively installed in the corresponding two-stroke guiding slot 11, and in order to utilize the first pushing structure and the second pushing structure to push the bridge forward, the first pushing structure and the second pushing structure may be respectively installed in the guiding slot 11, so as to implement the alternative pushing work.
In order to realize the connection between the first pushing structure and the second pushing structure and the base 1, the jacking jack 2 may be connected with the guide groove 11 through the base 22 in a sliding manner, that is, the base 22 is connected with the guide groove 11 in a sliding manner, and the first pushing structure and the second pushing structure are located on the base 22, so as to realize the sliding connection between the first pushing structure and the base 1.
Wherein, first top pushes up the structure and the second pushes up the structure all includes jacking structure and stroke structure, and jacking structure is used for jacking up the bridge, and the stroke structure is used for advancing the jacking structure to the bridge that will be jacked advances forward.
Jacking structure slides around being connected including being located jacking jack 2 on base 1, jacking jack 2 and base 1, and base 1 setting is kept away from to jacking jack 2's output shaft, and is connected with jack cap 21 on jacking jack 2's the output shaft.
It can be understood that jacking jack 2 is contradicted with the bridge downside through jack-cap 21, and during jacking work, jacking jack 2 control output shaft upwards exports, with bridge jack-up, makes it break away from the bridge and assembles the bed-jig and can carry out the top of next step and push away.
The stroke structure comprises a front pushing jack 3 and a rear pushing jack 3, the front pushing jack 3 and the rear pushing jack 3 are connected with the base 1, and an output shaft of the front pushing jack 3 and the rear pushing jack 3 are connected with the base 22.
It can be understood that the jacking jack 2 is connected to the base 1 through the base 22, and the output shaft of the front and rear jacking jacks 3 is connected with the base 22, and during operation, the output shaft of the front and rear jacking jacks 3 can push the base 22 to slide in the guide groove 11, so as to realize forward pushing of the jacking jack 2, and further realize forward pushing of the bridge.
The base 1 is provided with two fixed platforms 31 for erecting the front and rear pushing jacks 3, and it can be understood that, for pushing, the body of the front and rear pushing jacks 3 can be fixedly connected with the fixed platforms 31, and the base 22 can be pushed to slide in the guide groove 11 by the expansion and contraction of the output shaft.
In some embodiments, an angle adjuster is provided between the jack 2 output shaft and the jack cap 21. The degree regulating part comprises a regulating ball 4, a ball support 41 for embedding the regulating ball 4 is arranged on an output shaft of the jacking jack 2, a containing cavity 42 butted with the ball support 41 is arranged on the jack cap 21, and the regulating ball 4 is positioned between the ball support 41 and the containing cavity 42.
It can be understood that the angle adjusting piece that sets up utilizes adjusting ball 4 can make the top of jack cap 21 push the radian constantly change to make the atress of bridge even, make the top push process more stable.
In practical application, the distribution beam seat 5 is connected below the base 1, and when the distribution beam seat 5 is connected to the base 1 in operation, the base can start to work after being adjusted.
A double-stroke adjustable walking type pushing method comprises the following steps:
connecting the base 1 to the distribution beam base 5, and enabling the jack cap 21 to be arranged towards the bridge to be pushed;
controlling the rear jacking jack 2 to jack the bridge to be separated from the bridge assembly jig frame, controlling the corresponding front and rear jacking jacks 3 to jack the movable base 22, and jacking the bridge to a certain distance;
controlling the front jacking jack 2 to jack the bridge to be separated from the rear jacking jack 2, controlling the corresponding front and rear jacking jacks 3 to push the base 22, and jacking the bridge to a certain distance;
meanwhile, the rear jacking jack 2 and the front and rear jacking jacks 3 fall back to the initial positions, and the next jacking is carried out;
the continuous jacking, pushing and cylinder returning of the bridge are finished by the two jacking jacks 2 and the front and rear pushing jacks 3 in a continuous circulating jacking, pushing and cylinder returning mode until the bridge is translated to a set position.
Example 2: the utility model provides a two stroke adjustable walking thrustor, differs from embodiment 1 in that, as shown in fig. 1, in order to adjust the left and right positions of jacking jack 2, jacking jack 2 slides about with base 22 and is connected, specifically as follows:
the base 22 is provided with a left pushing jack 6 and a right pushing jack 6, output shafts of the left pushing jack 6 and the right pushing jack 6 are connected with the jacking jack 2, wherein machine bodies of the left pushing jack 6 and the right pushing jack 6 can be fixedly connected with a base body of the base 22, and the jacking jack 2 is pushed to be located in the base 22 by the aid of stretching of the output shafts.
Jacking jack 6 can adjust the transverse position of jacking jack 2 on base 1 about this scheme sets up to make jacking jack 2 can be more stable carry out the jacking to the bridge.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a two stroke adjustable walking thrustor which characterized in that pushes away the structure including being located first top on base (1) and pushing away the structure with the second, first top pushes away the structure with the second and pushes away the structure and all includes:
the jacking structure comprises a jacking jack (2) positioned on the base (1), the jacking jack (2) is connected with the base (1) in a sliding mode in a front-back mode, an output shaft of the jacking jack (2) is far away from the base (1), and a jack cap (21) is connected to the output shaft of the jacking jack (2);
the stroke structure comprises a front pushing jack and a rear pushing jack (3), the front pushing jack and the rear pushing jack (3) are connected with the base (1), and an output shaft of the front pushing jack and the rear pushing jack (3) is connected with the jacking jack (2);
the pushing directions of the front and rear pushing jacks (3) of the first pushing structure and the second pushing structure are on the same straight line.
2. The double-stroke adjustable walking thruster of claim 1, wherein the base (1) is provided with two guide grooves (11) for connecting the first thruster structure and the second thruster structure, respectively, and the two guide grooves (11) are on the same straight line;
the jacking jack (2) is connected with the guide groove (11) in a sliding mode front and back through a base (22).
3. The double-stroke adjustable walking thruster of claim 2, wherein the jacking jack (2) is connected with the base (22) in a left-right sliding manner;
the base (22) is provided with a left pushing jack and a right pushing jack (6), and output shafts of the left pushing jack and the right pushing jack (6) are connected with the jacking jack (2).
4. The double-stroke adjustable walking thruster of claim 3, wherein the base (1) is provided with two fixed platforms (31) for the front and rear thrusting jacks (3) to be erected.
5. The double-stroke adjustable walking thruster of claim 1, wherein an angle adjusting piece is arranged between the output shaft of the jacking jack (2) and the jack cap (21).
6. The double-stroke adjustable walking thruster of claim 5, wherein the angle adjusting piece comprises an adjusting ball (4);
the jack is characterized in that a ball support (41) for embedding the adjusting ball (4) is arranged on an output shaft of the jacking jack (2), an accommodating cavity (42) which is in butt joint with the ball support (41) is formed in the jack cap (21), and the adjusting ball (4) is located between the ball support (41) and the accommodating cavity (42).
7. The double-stroke adjustable walking thruster of claim 1, wherein a distribution beam seat (5) is connected below the base (1).
8. A double-stroke adjustable walking type pushing method is characterized by comprising the following steps:
connecting the base (1) to the distribution beam seat (5) and enabling the jack cap (21) to face the bridge to be pushed;
controlling a rear jacking jack (2) to jack the bridge to be separated from the bridge assembly jig frame, controlling corresponding front and rear jacking jacks (3) to jack a movable base (22), and jacking the bridge to a certain distance;
controlling the front jacking jack (2) to jack the bridge to be separated from the rear jacking jack (2), controlling the corresponding front and rear jacking jacks (3) to push the base (22), and jacking the bridge to a certain distance;
meanwhile, the rear jacking jack (2) and the front and rear jacking jacks (3) fall back to the initial positions to be pushed for the next time;
the uninterrupted incremental launching of the bridge is completed through the two jacking jacks (2) and the front and rear incremental launching jacks (3) to realize uninterrupted cyclic jacking, incremental launching and cylinder returning until the bridge is translated to a set position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010708903.0A CN111676834A (en) | 2020-07-22 | 2020-07-22 | Double-stroke adjustable walking type pushing device and pushing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010708903.0A CN111676834A (en) | 2020-07-22 | 2020-07-22 | Double-stroke adjustable walking type pushing device and pushing method |
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| Publication Number | Publication Date |
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| CN111676834A true CN111676834A (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010708903.0A Pending CN111676834A (en) | 2020-07-22 | 2020-07-22 | Double-stroke adjustable walking type pushing device and pushing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942138A (en) * | 2021-01-14 | 2021-06-11 | 中铁七局集团武汉工程有限公司 | High-precision walking pushing equipment |
| CN112942139A (en) * | 2021-01-14 | 2021-06-11 | 中铁七局集团武汉工程有限公司 | Steel box girder construction method |
| CN113529588A (en) * | 2021-08-09 | 2021-10-22 | 中建八局第三建设有限公司 | Pushing mechanism for bridge or steel structure roof pushing construction |
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| CN202672044U (en) * | 2012-06-30 | 2013-01-16 | 中铁二十三局集团有限公司 | Device for bridge construction pushing power |
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| CN109930494A (en) * | 2019-04-11 | 2019-06-25 | 中交二公局第五工程有限公司 | Suitable for the curve and in length and breadth bridge construction thrustor on slope |
| CN110306445A (en) * | 2019-07-11 | 2019-10-08 | 中国建筑第八工程局有限公司 | Incremental launching device and bridge incremental launching method for bridge incremental launching construction |
| CN110894708A (en) * | 2019-12-03 | 2020-03-20 | 山东省路桥集团有限公司 | Module walking type multi-point pushing equipment for bridge pushing and construction method |
| CN212375728U (en) * | 2020-07-22 | 2021-01-19 | 中建八局第三建设有限公司 | Double-stroke adjustable walking type pushing device |
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2020
- 2020-07-22 CN CN202010708903.0A patent/CN111676834A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202672044U (en) * | 2012-06-30 | 2013-01-16 | 中铁二十三局集团有限公司 | Device for bridge construction pushing power |
| CN103911953A (en) * | 2014-04-14 | 2014-07-09 | 上海市机械施工集团有限公司 | Combined pushing device for mounting of overhead highways and bridges and unintermittent pushing method of combined pushing device |
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| CN212375728U (en) * | 2020-07-22 | 2021-01-19 | 中建八局第三建设有限公司 | Double-stroke adjustable walking type pushing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942138A (en) * | 2021-01-14 | 2021-06-11 | 中铁七局集团武汉工程有限公司 | High-precision walking pushing equipment |
| CN112942139A (en) * | 2021-01-14 | 2021-06-11 | 中铁七局集团武汉工程有限公司 | Steel box girder construction method |
| CN113529588A (en) * | 2021-08-09 | 2021-10-22 | 中建八局第三建设有限公司 | Pushing mechanism for bridge or steel structure roof pushing construction |
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