CN210341678U - Pushing device for construction of large-span steel arch bridge of inland waterway - Google Patents
Pushing device for construction of large-span steel arch bridge of inland waterway Download PDFInfo
- Publication number
- CN210341678U CN210341678U CN201921169400.XU CN201921169400U CN210341678U CN 210341678 U CN210341678 U CN 210341678U CN 201921169400 U CN201921169400 U CN 201921169400U CN 210341678 U CN210341678 U CN 210341678U
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- China
- Prior art keywords
- clamping piece
- wedge clamping
- arch bridge
- hydraulic jack
- slide rail
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Abstract
The utility model provides a thrustor that is used for big span steel arch bridge construction of inland waterway, include: the steel slide rail anchor device comprises an anchor seat and a hydraulic jack, wherein an accommodating cavity is formed in the anchor seat, a wedge clamping piece is arranged in the accommodating cavity, the wedge clamping piece is connected with the accommodating cavity in a sliding mode through a clamping rail, the wedge clamping piece is in inclined surface contact with the accommodating cavity, and one side, close to the steel slide rail, of the wedge clamping piece is a rough surface; one end of the hydraulic jack is hinged with the anchoring seat, and the other end of the hydraulic jack is hinged with the steel arch bridge. Compared with the prior art, the beneficial effects of the utility model reside in that, the utility model provides a thrustor for interior river channel is long strides footpath steel arch bridge construction does not need to set up the reaction point alone through setting up the slide wedge clamping piece to the one-way clamp of steel slide rail through the slide wedge clamping piece, secondly, one side of slide wedge clamping piece laminating steel slide rail be rough surface, increased with the steel slide rail lateral wall between the frictional force, during the counter-force supports, be difficult to take place to slide.
Description
Technical Field
The utility model relates to a bridge construction technical field particularly, relates to a thrustor that is used for interior river channel to stride footpath steel arch bridge construction greatly.
Background
At present, more and more large-scale steel structures adopt hydraulic crawlers to carry out the construction of horizontal top pushing displacement, and its advantage does not need to set up the reaction point alone, and the distance of sliding is unrestricted. Firstly, lay the rail on the ground and do the track, then place the heavy object on the rail, installation hydraulic pressure crawl device, one end is connected with the heavy object, the other end is connected with the rail through wedge-shaped clamping piece in the anchor seat, and rely on the clamping piece centre gripping or loosen the rail and pass the heavy object (the piston stretches the jar, the anchor seat compresses tightly the clamping piece, form the anchor reaction point when the clamping piece is forced to press from both sides tight rail, the anchor force is greater than the heavy object frictional force, so the heavy object is forced to be removed, when the piston contracts the jar, anchor seat and clamping piece break away from, the clamping piece relaxs the rail, the anchor seat is forced to be drawn next to the heavy object, when the piston stretches the.
In the actual work progress, when the anchor seat compressed tightly the clamping piece, when the rail lateral wall was more smooth, promptly, when the frictional force between clamping piece and the rail lateral wall was not enough, the anchor seat produced easily and slided, can't form the reaction point, leads to the unable antedisplacement of heavy object.
In view of the above-mentioned defects, the present designer has made active research and innovation to create a pushing device for the construction of a large-span steel arch bridge in inland waterway, so as to make it more practical.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a thrustor for inland waterway long span steel arch bridge construction aims at solving prior art, and when the thrustor pushed away the steel arch bridge, the technical problem who slides takes place easily.
The utility model provides a thrustor that is used for big span steel arch bridge construction of inland waterway, include: an anchoring seat and a hydraulic jack;
an accommodating cavity is formed in the anchoring seat, a wedge clamping piece is arranged in the accommodating cavity and movably connected with the accommodating cavity through a clamping rail, the wedge clamping piece is in contact with the inclined surface of the accommodating cavity, and one side, close to the steel slide rail, of the wedge clamping piece is a rough surface;
one end of the hydraulic jack is hinged with the anchoring seat, and the other end of the hydraulic jack is hinged with the steel arch bridge.
Furthermore, the caliber of the wedge clamping piece close to one side of the hydraulic jack is smaller than the caliber of the wedge clamping piece far away from one side of the hydraulic jack, and when the hydraulic jack extends, the wedge clamping piece clamps the steel slide rail to form a counter-force structure.
Furthermore, one side of the wedge clamping piece, which is close to the steel slide rail, is provided with a one-way limiting mechanism for further preventing the anchoring seat from sliding when supported in counter force.
Furthermore, the one-way limiting mechanism comprises a spring and a limiting column;
the limiting column is arranged in the fixing groove of the wedge clamping piece;
the spring sets up the tip of spacing post, the one end that spacing post kept away from the spring is provided with the guide face.
Further, the guide surface is a quarter spherical surface.
Further, still be provided with a plurality of rollers in the anchor seat, the roller sets up along steel slide rail width direction.
Compared with the prior art, the beneficial effects of the utility model reside in that, the utility model provides a thrustor for interior river channel is long strides footpath steel arch bridge construction does not need to set up the reaction point alone through setting up the slide wedge clamping piece to the one-way clamp of steel slide rail through the slide wedge clamping piece, secondly, one side of slide wedge clamping piece laminating steel slide rail be rough surface, increased with the steel slide rail lateral wall between the frictional force, during the counter-force supports, be difficult to take place to slide.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is an axial view of a pushing device for the construction of a large-span steel arch bridge of an inland waterway according to an embodiment of the present invention;
FIG. 2 is a top view of a pushing device for the construction of a large-span steel arch bridge of an inland waterway according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram for embodying the one-way limiting mechanism according to the embodiment of the present invention;
fig. 4 is a front view of a steel slide rail provided by an embodiment of the present invention;
fig. 5 is a schematic diagram for showing the position of a roller according to an embodiment of the present invention;
reference numerals: 1. an anchoring seat; 11. an accommodating chamber; 12. a wedge clamping piece; 13. a roller; 14. a one-way limiting mechanism; 141. a spring; 142. a limiting column; 1421. a guide surface; 2. a hydraulic jack; 3. a steel slide rail.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 5, it can be known from the figure that the embodiment of the utility model provides a thrustor for interior river channel long span steel arch bridge construction, include: anchor seat 1, hydraulic jack 2, wherein, be provided with in anchor seat 1 and hold chamber 11, hold and be provided with slide wedge clamping piece 12 in the chamber 11, slide wedge clamping piece 12 through card rail 121 with hold 11 slides in the chamber and be connected, slide wedge clamping piece 12 with hold 11 inclined plane contacts in the chamber, slide wedge clamping piece 12 is close to one side of steel slide rail 3 for rough surface, hydraulic jack 2 wherein one end is articulated with anchor seat 1, the other end is articulated with the steel arched bridge. The setting of card rail 121, the fixed and change of the slide wedge clamping piece 12 of being convenient for, the friction between slide wedge clamping piece 12 and the steel slide rail 3 lateral wall can be increased in the setting of rough surface, and when the jack-up, the phenomenon of sliding is difficult to take place.
In this embodiment, the caliber of the wedge clip 12 close to the hydraulic jack 2 side is smaller than the caliber of the hydraulic jack 2 side, and when the hydraulic jack 2 extends, the wedge clip 12 clamps the steel slide rail 3 to form a counter-force structure.
In this embodiment, one side that the slide wedge clamping piece 12 is close to the steel slide rail 3 is provided with one-way stop gear 14 for further prevent taking place to slide when anchor seat 1 reaction supports, specifically, one-way stop gear 14 includes spring 141, spacing post 142, wherein, spacing post 142 sets up in the fixed slot of slide wedge clamping piece 12, spring 141 sets up the tip at spacing post 142, the one end that spring 141 was kept away from to spacing post 142 is provided with guide surface 1421, guide surface 1421 is the spherical surface of fourth, when frictional force is not enough, one-way stop gear 14 can further prevent anchor seat 1 and slide.
In this embodiment, still be provided with a plurality of rollers 13 in anchor seat 1, roller 13 sets up along 3 width direction of steel slide rail for prevent the problem of steel slide rail 3 upper surface unevenness.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides a thrustor that is used for big span steel arch bridge construction of inland waterway, its characterized in that includes: an anchoring seat (1) and a hydraulic jack (2);
an accommodating cavity (11) is formed in the anchoring seat (1), a wedge clamping piece (12) is arranged in the accommodating cavity (11), the wedge clamping piece (12) is connected with the accommodating cavity (11) in a sliding mode through a clamping rail (121), the wedge clamping piece (12) is in inclined surface contact with the accommodating cavity (11), and one side, close to the steel slide rail (3), of the wedge clamping piece (12) is a rough surface;
one end of the hydraulic jack (2) is hinged with the anchoring seat (1), and the other end of the hydraulic jack is hinged with the steel arch bridge.
2. The thrustor for inland waterway large-span steel arch bridge construction according to claim 1, wherein the caliber of the side, close to the hydraulic jack (2), of the tapered wedge clamping piece (12) is smaller than that of the side, far away from the hydraulic jack (2), and when the hydraulic jack (2) is extended, the tapered wedge clamping piece (12) clamps the steel slide rail (3) to form a counter-force structure.
3. The thrustor for the construction of the large-span steel arch bridge of the inland waterway according to claim 2, wherein one side of the wedge clip (12) close to the steel slide rail (3) is provided with a one-way limiting mechanism (14) for further preventing the anchoring seat (1) from slipping during counterforce support.
4. The thrustor for inland waterway large-span steel arch bridge construction according to claim 3, wherein the one-way limiting mechanism (14) comprises a spring (141) and a limiting column (142);
the limiting column (142) is arranged in a fixing groove of the wedge clamping piece (12);
the spring (141) is arranged at the end part of the limiting column (142), and one end, far away from the spring (141), of the limiting column (142) is provided with a guide surface (1421).
5. The thruster for the construction of large-span steel arch bridges for inland waterways according to claim 4, wherein said guiding surface (1421) is a quarter-spherical surface.
6. The thrustor for the construction of the large-span steel arch bridge of the inland waterway according to the claim 1, wherein a plurality of rollers (13) are further arranged in the anchoring seat (1), and the rollers (13) are arranged along the width direction of the steel slide rail (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921169400.XU CN210341678U (en) | 2019-07-23 | 2019-07-23 | Pushing device for construction of large-span steel arch bridge of inland waterway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921169400.XU CN210341678U (en) | 2019-07-23 | 2019-07-23 | Pushing device for construction of large-span steel arch bridge of inland waterway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210341678U true CN210341678U (en) | 2020-04-17 |
Family
ID=70216412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921169400.XU Expired - Fee Related CN210341678U (en) | 2019-07-23 | 2019-07-23 | Pushing device for construction of large-span steel arch bridge of inland waterway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210341678U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502742A (en) * | 2021-05-20 | 2021-10-15 | 中铁四局集团建筑工程有限公司 | Pushing construction method for steel-structured passenger overbridge crossing business line |
| CN113513630A (en) * | 2021-04-30 | 2021-10-19 | 四川石油天然气建设工程有限责任公司 | Pipeline crossing pushing system for narrow deep valley or wide river and process thereof |
-
2019
- 2019-07-23 CN CN201921169400.XU patent/CN210341678U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513630A (en) * | 2021-04-30 | 2021-10-19 | 四川石油天然气建设工程有限责任公司 | Pipeline crossing pushing system for narrow deep valley or wide river and process thereof |
| CN113502742A (en) * | 2021-05-20 | 2021-10-15 | 中铁四局集团建筑工程有限公司 | Pushing construction method for steel-structured passenger overbridge crossing business line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 Termination date: 20210723 |