CN211922307U - Pier stud guiding and limiting device - Google Patents
Pier stud guiding and limiting device Download PDFInfo
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- CN211922307U CN211922307U CN201922472059.1U CN201922472059U CN211922307U CN 211922307 U CN211922307 U CN 211922307U CN 201922472059 U CN201922472059 U CN 201922472059U CN 211922307 U CN211922307 U CN 211922307U
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Abstract
The utility model relates to a pier stud guiding and limiting device, wherein a supporting seat (12) is fixed on a bearing platform; the steel cross beam (15) is arranged on the bearing platform at the periphery of the bearing platform slot, and the steel cross beam (15) is tightly clamped with the positioning embedded steel plate; the cylinder seat of the pushing device (11) is connected with the steel beam (15) in a welding or bolt mode, and the seat plate of the guide wheel (13) is connected with the steel beam (15); the ejector rod of the pushing device (11) directly or indirectly pushes against the supporting seat (12); the steel wheel of the guide wheel (13) leans against a clamping apparatus (14), the center of the clamping apparatus (14) is aligned with the center of the slot of the bearing platform, and the cross frame body of the clamping apparatus (14) is lapped on the steel beam (15). The utility model discloses the time spent is few, and the assembly precision is high.
Description
Technical Field
The utility model relates to a prefabricated assembled bridge technical field especially relates to a pier stud direction stop device.
Background
In the field of bridge construction, the prefabricated bridge can effectively improve the construction speed, ensure the quality of structural members, improve the structural durability and has wide application range and prospect. According to the research progress at home and abroad, higher requirements are provided for the rapid construction of bridges, and therefore, higher requirements are provided for equipment for bridge assembly and an assembly method.
The structure of the existing prefabricated bridge generally comprises a bearing platform, a pier column, a capping beam, a box girder and an auxiliary structure; the mating arrangement of the platform and pier stud is shown in figure 1.
The bearing platform is cast on the ground in situ, and the bearing platform is provided with a slot for mounting a pier stud; vertically inserting the prefabricated pier stud into the slot of the bearing platform, and grouting and fixing gaps in the slot of the bearing platform; the bent cap is prefabricated in advance, positioning grooves are formed in the bottom of the bent cap, the bent cap is inserted into each pair of pier columns perpendicular to the direction of the bridge floor through the positioning grooves, gaps in the grooves are grouted and fixed, and erection of the bent cap is achieved; and the plurality of parallel prefabricated box girders are vertically arranged between the prefabricated bent caps erected on the two adjacent pairs of pier studs along the direction of the bridge deck.
In the above-mentioned structure, the accurate installation of pier stud plays the key role to the stability and the life-span of whole bridge.
In the existing pier column installation method, firstly, a pier column is inserted into a slot of a bearing platform, then the horizontal position of the pier column in the slot of the bearing platform is adjusted, then the adjusted horizontal position of the pier column is temporarily fixed, and finally, a gap in the slot is grouted to fix the pier column.
At present, a horizontal position adjusting method of a pier column in a socket slot of a bearing platform mainly adopts a method of manually adjusting the movement of the pier column and a horizontal hydraulic pushing device arranged on the side surface of the pier column to adjust the horizontal position of a prefabricated pier column in the socket slot of the bearing platform. At present, the method for temporarily fixing the horizontal position of the pier column which is well adjusted mainly adopts a wooden wedge or a steel wedge to be inserted into a gap between the pier column and a bearing platform.
The horizontal position of the manual adjustment pier stud in the socket slot is suitable for adjusting the small prefabricated pier stud, the adjustment time is long, the labor cost is high, the working efficiency of the matched machinery is low, the error randomness is large, and the manual adjustment pier stud is not suitable for standardized quick assembly.
The method for adjusting the horizontal position of the pier stud in the socket of the bearing platform by using the hydraulic pushing device is relatively complex in equipment, relatively heavy in overall weight of the equipment, poor in portability, relatively high in cost, and unsuitable for portable rapid assembly, and power supply is required on site, and regular maintenance is required.
Adopt the wood wedge to carry out interim fixed, the wood wedge warp greatly under the exogenic action, produces the extrusion destruction to notch concrete easily, and interim fixed precision is relatively poor, and the wood wedge position needs carry out the secondary and pours into. Adopt the steel wedge to carry out interim fixed, produce the extrusion to the notch concrete easily and destroy, the steel wedge position need carry out the secondary and pour into.
Therefore, the existing pier column installation method has low installation efficiency and poor fixing precision, and cannot keep pace with the rapid construction requirement of the new generation of bridges. The frock that uses in the installation of current pier stud to a certain extent can not satisfy the construction requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problem that prior art exists, provide a pier stud direction stop device, it can solve the low and relatively poor technical problem of fixed precision of current pier stud installation effectiveness.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a pier stud direction stop device, it includes:
the pushing device, the supporting seat, the guide wheel, the fixture and the steel beam;
the supporting seat is fixed on the bearing platform; the steel cross beams are arranged on the bearing platforms at the peripheries of the bearing platform slots; a mandril of the pushing device pushes the supporting seat, and the cylinder seat is connected with the steel beam; the seat plate of the guide wheel is connected with the steel beam, and the steel wheel of the guide wheel abuts against the clamping tool; the centers of the fixtures are aligned with the centers of the bearing platform slots, and the crossed frame bodies of the fixtures are erected on the steel cross beam.
More preferably, the support seat includes:
pre-burying a steel plate and a supporting section steel; the embedded steel plate is fixed on the bearing platform, and the supporting section steel is fixed on the embedded steel plate through a fastener.
More preferably, the guide wheel includes:
the seat plate, the lug plate, the wheel shaft, the bearing and the steel wheel; the two ear plates are welded on the seat plate in parallel; two ends of the wheel shaft are fixed on the lug plates at two sides through fasteners, and the steel wheel is arranged on the wheel shaft through a bearing; the bottom plate is connected with the steel beam in a welding or bolt mode.
More preferably, the clip comprises:
the cross frame body and the square frame body;
the cross frame body is erected on the square frame body, and the central shaft of the cross frame body is superposed with the central shaft of the square frame body; the maximum size of the cross frame body is larger than that of the square frame body; the inner size of the square frame body is the same as the outer size of the pier column;
the cross frame body is erected on the steel beam, and the center of the cross frame body is aligned with the bearing platform; the square frame body is positioned at the placing position of the guide wheel.
By the aforesaid the technical scheme of the utility model can see out, for prior art, the utility model, following technological effect has:
(1) the prefabricated pier stud has high assembly precision
The pier stud can be accurately positioned in the slot of the bearing platform by inserting the pier stud into the square frame body of the fixture, the horizontal position does not need to be adjusted during hoisting, and the accuracy of the horizontal position after the pier stud is inserted into the slot is high.
(2) Short time for hoisting pier stud and high efficiency for assembling pier stud
Because the pier stud is hoisted and inserted into the square frame body of the fixture, the horizontal position of the pier stud does not need to be adjusted, the hoisting in-place time can be basically ignored, and more prefabricated pier studs can be hoisted in each class.
(3) The hoisting matching personnel are few.
For current method that adopts horizontal hydraulic pressure thrustor and manual regulation pier stud, when this application was taken one's place through the prefabricated pier stud of pier stud direction stop device installation, need not the personnel of taking one's place of supplementary prefabricated pier stud of regulation. The existing method at least needs two persons to adjust the prefabricated pier stud in place in a matching way.
(4) Portable economy of pier stud direction stop device
The pier stud guiding and limiting device is simple in structure, the main components are formed by combining a guide wheel, a pushing device and an H steel beam, and the cost is particularly low compared with that of the existing horizontal hydraulic pushing device; and can process the spacing equipment of many sets of direction, improve work efficiency and installation progress under the prerequisite that does not increase constructor and machinery.
Drawings
FIG. 1 is a schematic structural view of an existing bearing platform and pier stud assembly;
fig. 2 is a schematic structural view of a pier stud guiding and limiting device of the present invention;
fig. 3 is a schematic structural view of the fixture of the present invention.
In the drawings:
the pushing device 11, the supporting seat 12, the guide wheel 13, the fixture 14 and the steel beam 15.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present application, the present invention will be further described in detail below by way of examples with reference to fig. 1 to 2.
The terms of orientation such as up, down, left, right, front, and rear in the present specification are established based on the positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.
The present invention relates to a portable electronic device, and more particularly, to a portable electronic device, which can be connected to a portable electronic device, and can be connected to a portable electronic device through a connection structure, such as a connector, a. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example one
The utility model provides a pier stud direction stop device, its structure is as shown in figure 2, and this pier stud direction stop device includes: the pushing device 11, the supporting seat 12, the guide wheel 13, the fixture 14 and the steel beam 15.
The supporting seat 12 is fixed on the bearing platform; the four steel cross beams 15 can be H-shaped steel and are arranged on the bearing platform at the periphery of the bearing platform slot, and the H-shaped steel is tightly clamped with the positioning embedded steel plate; the cylinder seat of the pushing device 11 is connected with the steel beam 15 in a welding or bolt mode, and the seat plate of the guide wheel 13 is connected with the steel beam 15 in a welding or bolt mode; the top rod of the pushing device 11 directly or indirectly pushes against the supporting seat 12; the steel wheel of the guide wheel 13 leans against a clamping apparatus 14, the center of the clamping apparatus 14 is aligned with the center of the slot of the bearing platform, and the cross frame body of the clamping apparatus 14 is lapped on the steel beam 15.
The supporting seat 12 is used for supporting the pushing device to provide a reaction force for the guide wheel 13, and comprises an embedded steel plate and supporting section steel, the embedded steel plate is fixed on the bearing platform, and the supporting section steel is fixed on the embedded steel plate through fasteners such as bolts.
The guide wheel 13 is connected with the steel beam 15 in a welding or bolt mode, is used for plane guide of the pier stud and comprises a seat plate, an ear plate, a wheel shaft, a bearing and a steel wheel. The two lug plates are welded on the seat plate in parallel, two ends of the wheel shaft are fixed on the lug plates on two sides through fasteners, and the steel wheel is arranged on the wheel shaft through a bearing. The bottom plate is connected with the steel beam 15 by welding or bolts.
The fixture 14 is used for positioning and shaping the pier stud, and has a structure shown in fig. 3, and comprises a cross frame body and a square frame body. The cross frame body is arranged on the square frame body in a lapping mode, and the central shaft of the cross frame body is overlapped with the central shaft of the square frame body. The cross frame body can be formed by cross welding of square steel pipes, and the maximum size of the cross frame body is larger than that of the square frame body, such as larger than 0.5m of the square frame. The square frame body is made of rectangular steel pipes, and the inner size of the square frame body is the same as the outer size of the pier stud. During placement, the cross frame body is arranged on the steel beam 15 in a lapping mode, and the center of the cross frame body is aligned with the bearing platform. The square frame body is positioned at the placement position of the guide wheel 13, and after the position is determined, the square frame body is removed.
The working principle of the application is as follows:
a supporting seat 12 in a pier guiding and limiting device is fixed through an embedded part of a bearing platform fixing pier, a steel cross beam 15 is arranged on one side, close to a bearing platform slot, of the supporting seat 12, a pushing device 11 is fixed above the steel cross beam 15, a guide wheel 13 is fixed on one side, close to the bearing platform slot, of the steel cross beam 15, and a top rod of the pushing device 11 is tightly pushed against the supporting seat 12. After the installation of the components in the pier stud guiding and limiting device is finished, placing a fixture 14 to enable the center of the cross frame body of the fixture 14 to be aligned with the center of the socket of the bearing platform; adjusting the pushing device 11 to push the steel beam 15 to drive the guide wheel 13 to move, so that the guide wheel 13 leans against the outer side of the square frame body of the clamping apparatus 14, and the position of the guide wheel 13 is adjusted; removing the cross frame body on the fixture 14, and setting slurry in the slot of the bearing platform; hoisting the prefabricated pier stud, adjusting a guide wheel 13 by adjusting a pushing device 11 to guide the pier stud into a square frame body of a fixture 14 and then into a bearing platform slot, and finishing the positioning of the pier stud into the bearing platform slot; the perpendicularity of the pier column is adjusted through the inclined strut, so that the vertical adjustment of the pier column is completed; completing slot gap grouting before initial setting of the foundation grout, and finishing the installation of the prefabricated pier stud; and removing the rest parts of the pier stud guiding and limiting device, wherein the rest parts comprise a square frame body of the fixture 14, a steel beam 15, a guide wheel 13 and a pushing device 11.
Because stop device is located the cushion cap top surface, with the pre-buried steel sheet chucking of location, can fix prefabricated pier stud displacement in the level for pier stud direction stop device is from taking horizontal fixing device, and pier stud direction stop device itself has certain intensity and rigidity, so pier stud direction stop device can also play the effect of interim fixing after accomplishing the direction work, so no longer need set up fixing device.
The pushing device 11 may be a jack, an air cylinder, an oil cylinder, or a nut-screw jacking structure.
The above structure is described by taking a cross frame as an example, but the present invention is not limited to this, and the cross frame may be a frame with any shape that crosses in the middle, and is herein referred to as a cross frame.
The utility model discloses with the two integration of pier stud guider and interim fixed equipment, adjust pier stud direction stop device's planar position in advance through the deciding tool, then take one's place by leading wheel 13 guide pier stud, and equipment has interim fixed function, realizes prefabricated assembled pier stud economy, convenient, standardized rapid Assembly.
Although the present invention has been described in connection with the preferred embodiments, the embodiments are not intended to limit the present invention. Any equivalent changes or modifications made without departing from the spirit and scope of the present invention also belong to the protection scope of the present invention. The scope of protection of the invention should therefore be determined with reference to the claims that follow.
Claims (4)
1. The utility model provides a pier stud direction stop device, its characterized in that, pier stud direction stop device include:
the pushing device (11), the supporting seat (12), the guide wheel (13), the clamp (14) and the steel beam (15);
the supporting seat (12) is fixed on the bearing platform; the steel cross beams (15) are arranged on the bearing platforms on the periphery of the bearing platform slots; a mandril of the pushing device (11) pushes against the supporting seat (12), and the cylinder seat is connected with the steel beam (15); the seat plate of the guide wheel (13) is connected with a steel beam (15), and the steel wheel of the guide wheel (13) abuts against a clamping apparatus (14); the center of the fixture (14) is aligned with the center of the slot of the bearing platform, and the cross frame body of the fixture (14) is erected on the steel beam (15).
2. The pier stud guiding and limiting device according to claim 1, wherein the supporting seat (12) comprises:
pre-burying a steel plate and a supporting section steel; the embedded steel plate is fixed on the bearing platform, and the supporting section steel is fixed on the embedded steel plate through a fastener.
3. The pier stud guiding and limiting device according to claim 1, wherein the guide wheel (13) comprises:
the seat plate, the lug plate, the wheel shaft, the bearing and the steel wheel; the two ear plates are welded on the seat plate in parallel; two ends of the wheel shaft are fixed on the lug plates at two sides through fasteners, and the steel wheel is arranged on the wheel shaft through a bearing; the bottom plate is connected with the steel beam (15) in a welding or bolt mode.
4. The pier guiding and limiting device according to claim 1, wherein the jig (14) comprises:
the cross frame body and the square frame body;
the cross frame body is erected on the square frame body, and the central shaft of the cross frame body is superposed with the central shaft of the square frame body; the maximum size of the cross frame body is larger than that of the square frame body; the inner size of the square frame body is the same as the outer size of the pier column;
the cross frame body is erected on the steel cross beam (15), and the center of the cross frame body is aligned with the bearing platform; the square frame body is positioned at the placement position of the guide wheel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922472059.1U CN211922307U (en) | 2019-12-31 | 2019-12-31 | Pier stud guiding and limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922472059.1U CN211922307U (en) | 2019-12-31 | 2019-12-31 | Pier stud guiding and limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211922307U true CN211922307U (en) | 2020-11-13 |
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ID=73326797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922472059.1U Active CN211922307U (en) | 2019-12-31 | 2019-12-31 | Pier stud guiding and limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211922307U (en) |
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2019
- 2019-12-31 CN CN201922472059.1U patent/CN211922307U/en active Active
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