CN210141370U - Adjustable support of steel pipe for pipe jacking construction - Google Patents
Adjustable support of steel pipe for pipe jacking construction Download PDFInfo
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- CN210141370U CN210141370U CN201920964787.1U CN201920964787U CN210141370U CN 210141370 U CN210141370 U CN 210141370U CN 201920964787 U CN201920964787 U CN 201920964787U CN 210141370 U CN210141370 U CN 210141370U
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Abstract
The utility model discloses an adjustable steel pipe support for pipe jacking construction, which comprises a base, a support and a rolling shaft; the support is arranged above the base, and the lower side surface of the support is connected with the upper side surface of the base through two adjusting screws; the adjusting screw is provided with an adjusting piece, and the support can move up and down by rotating the adjusting piece; the upper side surface of the support is provided with at least one roller groove along the length direction, a roller is respectively arranged in each roller groove, the lower side of each roller is attached to the bottom of the roller groove, and the upper side of each roller is protruded out of the upper side surface of the support; two sides of the base are respectively provided with a connecting plate, and the positioning plate is provided with a fixing hole. The utility model can better realize the (up-down) alignment of the steel pipe and the concrete pipe, has strong adaptability and convenient construction, thereby greatly improving the anti-deformation capability of the whole pipeline; meanwhile, the corrosion-resistant layer on the outer wall of the steel pipe can be prevented from being damaged due to friction; thereby prolonging the service life of the steel pipe.
Description
Technical Field
The utility model relates to a push pipe construction technical field especially relates to an adjustable support of steel pipe is used in push pipe construction.
Background
The pipe-jacking construction is a non-excavation construction method, and is a pipeline burying construction technology without excavation or with few excavations. The pipe jacking construction is that the friction force between the pipeline and the surrounding soil is overcome by means of the jacking force generated by jacking equipment in a working pit, the pipeline is jacked into the soil according to the designed gradient, and earthwork is transported away. After one section of pipe is pushed into the soil layer, the second section of pipe is pushed into the soil layer continuously. The principle is that by means of the thrust of the main top oil cylinder, the pipeline and the relay, the tool pipe or the development machine is pushed into the receiving pit from the working pit through the soil layer and is lifted. The pipeline is buried between the two pits after following the tool pipe or the heading machine.
In the process of on-site actual construction, a part of pipelines pass through the tunnel, the subway and the like, and according to design requirements, a steel pipe needs to be sleeved in the concrete pipeline in the environment, so that the influence of water seepage on the operation of the subway below is avoided due to the fact that the concrete pipe is settled. In the traditional construction process, the steel pipe is directly placed inside the concrete pipe and jacked by a jack, and an anticorrosive coating outside the steel pipe can be directly ground off by the wall of the concrete pipe, so that the anticorrosive coating is ineffective, and the service life of the steel pipe is greatly shortened; and, after the construction, the steel pipe can't carry on (upper and lower) centering with the concrete pipe effectively, also can cause the concrete pipe to be out of shape like this, directly act on the steel pipe, make the steel pipe suffer damage, greatly reduced the resistance to deformation ability of whole pipeline (including concrete pipe and steel pipe).
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to solve the problems that the steel pipe cannot be centered (up and down) in the pushing process of the steel pipe, the corrosion-resistant layer of the steel pipe is easy to rub with the concrete pipe to cause damage and the like, and provides an adjustable support for the steel pipe for pipe-jacking construction, which can better realize the centering (up and down) of the steel pipe and the concrete pipe, has strong adaptability and convenient construction, thereby greatly improving the deformation resistance of the whole pipeline; meanwhile, the corrosion-resistant layer on the outer wall of the steel pipe can be prevented from being damaged due to friction; thereby prolonging the service life of the steel pipe.
In order to solve the technical problem, the utility model discloses a technical scheme is like this: the utility model provides a push pipe construction is with adjustable support of steel pipe which characterized in that: comprises a base, a support and a roller; the support is arranged above the base, and the lower side surface of the support is connected with the upper side surface of the base through two adjusting screws; a counter bore is arranged at the position, corresponding to the adjusting screw, of the lower side surface of the support, and the upper end of the adjusting screw extends into the counter bore; the upper side surface of the base is provided with a guide hole, and the lower end of the adjusting screw rod extends into the guide hole; the adjusting screw is provided with an adjusting piece, and the support can move up and down by rotating the adjusting piece;
at least one roller groove is formed in the upper side face of the support along the length direction of the support, and the bottom face of the roller groove is in a circular arc shape corresponding to the side wall of the roller; a roller is arranged in each roller groove, the lower side of each roller is attached to the bottom of each roller groove, the upper side of each roller is protruded out of the upper side surface of the support, and the rollers can freely rotate around the axial lead of the rollers; two sides of the base are respectively provided with a connecting plate, and the positioning plate is provided with a fixing hole.
This scheme is when using, through fixing bolt or expansion bolts with the downside fixed connection of the medial surface of base and concrete pipe, wherein, makes the roller bearing be in the horizontality in the installation to its axial is perpendicular with the axial of concrete pipe, then, through rotating the regulating part, makes the upside of roller bearing reach the height that needs, can realize the installation location of whole adjustable support fast like this. In the steel pipe pushing process, the steel pipe is in contact with the roller, so that friction between the steel pipe and the roller is rolling friction, friction force of the steel pipe received in the pushing process can be greatly reduced, and the corrosion-resistant layer on the surface of the steel pipe is prevented from being damaged. Simultaneously, after adopting this support frame, can effectively improve the centering effect (especially centering from top to bottom) of steel pipe and concrete pipe to effectively promote the anti deformability of whole pipeline (including concrete pipe and steel pipe). And, because the distance between support and the base can be adjusted to make whole adjustable support's application scope stronger, can effectively reduce construction cost.
Preferably, the upper end of the adjusting screw is fixedly connected with the support, and the adjusting screw is in clearance fit with the guide hole; the adjusting piece is an adjusting nut sleeved on the adjusting screw rod, and the adjusting nut is connected with the adjusting screw rod in a threaded matching manner. In the scheme, the screw rod pair is formed between the adjusting nut and the adjusting screw rod, and the adjusting screw rod is fixed with the support and cannot rotate, and the adjusting nut is attached to the base, so that the adjusting nut cannot move downwards, and the adjusting screw rod can move upwards in the process of rotating the adjusting nut, thereby realizing the height adjustment of the support; the whole scheme is simple and convenient to assemble, and the construction operation is simpler.
Furthermore, a gasket is arranged between the adjusting nut and the base; therefore, the abrasion of the adjusting nut or the base caused by the friction generated by the direct contact of the adjusting nut and the base can be prevented, and the service life of the whole adjustable support is prolonged.
Preferably, the upper end of the adjusting screw rod can freely rotate in the counter bore, the lower end of the adjusting screw rod is connected with the base in a threaded fit mode, and the adjusting piece is a polygonal operating handle which is sleeved on the adjusting screw rod and fixedly connected with the adjusting screw rod. By adopting the technical scheme, the adjusting screw is in threaded connection with the base, so that the stability of the whole adjustable support is better and the bearing capacity is stronger.
Furthermore, a bearing is arranged in a counter bore on the lower side surface of the support, and the upper end of the adjusting screw rod is connected with the bearing; like this, in adjusting screw's adjustment process, it is more smooth and easy, can effectively reduce the friction between adjusting screw and the support to it is more convenient to operate.
Furthermore, the roller is rotatably connected with two ends of the roller groove through a connecting shaft, the side walls of the two ends of the roller groove are respectively provided with an installation groove, and the upper end of the installation groove penetrates through the upper side surface of the support; the connecting shaft is placed into the mounting groove from the upper end of the mounting groove and is rotatably connected with the mounting groove. By adopting the scheme, the shaft axis of the roller can be ensured to be always positioned at the same position, and the phenomenon that the whole roller sinks due to the abrasion of the roller or the abrasion of the support is avoided, so that the service life of the whole support frame can be further prolonged.
Furthermore, the end of the connecting shaft is provided with a bearing, and the bearing is installed in the installation groove and is fixedly connected with the support. The roller can rotate more smoothly, so that the friction force generated by the steel pipe in the moving process can be further reduced, the steel pipe can move more quickly, and the abrasion of the steel pipe is further reduced.
Further, the base and the rolling shaft are both made of steel, and the support is made of a polypropylene material. The base and the rolling shaft are both made of steel and have stronger structural stability and bearing capacity; the support is made of polypropylene materials, and the polypropylene materials have the characteristics of no deformation, high rigidity, high surface strength, good chemical stability, smooth surface and the like, so that the support is convenient to install and maintain as a whole, long in service life and excellent in corrosion resistance, and has strong corrosion resistance to common acids, alkalis, salts and various solvents.
Further, the lower side surface of the base is an arc-shaped surface; like this, in the use, the base can better with the laminating of concrete pipe inner wall to improve the stability of whole adjustable support.
Further, the connecting plate is close to the lower side of the base, so that the base is installed and fixed through the connecting plate, and the fixing effect is better and more convenient and quicker.
Compared with the prior art, the utility model has the advantages of as follows: the structure is simple, and the use is convenient; the centering of the steel pipe and the concrete pipe can be effectively realized, and the construction is convenient, so that the deformation resistance of the whole pipeline can be greatly improved; meanwhile, the damage of an anticorrosive coating on the outer wall of the steel pipe due to friction can be avoided, so that the service life of the steel pipe is prolonged; moreover, the application range of the whole adjustable support is wider, and the construction cost can be effectively reduced.
Drawings
Fig. 1 is a schematic structural view of embodiment 1.
In the figure: the device comprises a base, a support, a roller, a regulating screw, a regulating piece and a connecting plate, wherein the base is 1, the support is 2, the roller is 3, the regulating screw is 4, and the connecting plate is 6.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1: referring to fig. 1, an adjustable support for a steel pipe for pipe jacking construction comprises a base 1, a support 2 and a roller 3; the support 2 is arranged above the base 1, and the lower side surface of the support is connected with the upper side surface of the base 1 through two adjusting screw rods 4. Wherein, the lower side surface of the base 1 is an arc surface (an arc surface corresponding to the inner wall of the concrete pipe); like this, in the use, base 1 can be better with the laminating of concrete pipe inner wall to improve the stability of whole adjustable support. A counter bore is arranged at the position of the lower side surface of the support 2 corresponding to the adjusting screw rod 4, and the upper end of the adjusting screw rod 4 extends into the counter bore. The upper side surface of the base 1 is provided with a guide hole, and the lower end of the adjusting screw rod 4 extends into the guide hole; an adjusting part 5 is arranged on the adjusting screw 4, and the support 2 can move up and down by rotating the adjusting part 5. In specific implementation, the adjusting screw rod 4 is in clearance fit with the guide hole, the adjusting piece 5 is an adjusting nut sleeved on the adjusting screw rod 4, and the adjusting nut is in threaded fit connection with the adjusting screw rod 4; and the adjusting nut is attached to the upper surface of the base 1. In the scheme, a screw rod pair is formed between the adjusting nut and the adjusting screw rod 4, and the adjusting screw rod 4 is fixedly connected with the support 2 and is attached to the base 1, so that the adjusting nut cannot move downwards, and the adjusting screw rod 4 can move upwards in the process of rotating the adjusting nut, thereby realizing the height adjustment of the support 2; the whole scheme is simple and convenient to assemble, and the construction operation is simpler. A gasket is arranged between the adjusting nut and the base 1; therefore, the abrasion of the adjusting nut or the base 1 caused by the friction generated by the direct contact of the adjusting nut and the base 1 can be prevented, and the service life of the whole adjustable support is prolonged.
At least one roller groove is arranged on the upper side surface of the support 2 along the length direction of the support, and the bottom surface of the roller groove is in a circular arc shape corresponding to the side wall of the roller 3. A roller 3 is respectively arranged in each roller groove, the lower side of the roller 3 is attached to the bottom of the roller groove, the upper side of the roller is protruded out of the upper side surface of the support 2, and the roller 3 can freely rotate around the axis line. The roller 3 is rotatably connected with two ends of the roller groove through a connecting shaft, the side walls of the two ends of the roller groove are respectively provided with an installation groove, and the upper end of the installation groove penetrates through the upper side surface of the support 2; the connecting shaft is placed into the mounting groove from the upper end of the mounting groove and is rotatably connected with the mounting groove. By adopting the scheme, the axial lead of the roller 3 can be ensured to be always positioned at the same position, and the phenomenon that the roller 3 is integrally sunk due to the abrasion of the roller 3 or the abrasion of the support 2 is avoided, so that the service life of the whole support frame can be further prolonged. The end of the connecting shaft is also provided with a bearing, and the bearing is arranged in the mounting groove and is fixedly connected with the support 2. Make roller bearing 3's rotation more smooth and easy like this to can further reduce the frictional force that the steel pipe produced at the removal in-process, make the removal of steel pipe more swift, further reduce the wearing and tearing of steel pipe simultaneously. Two sides of the base 1 are respectively provided with a connecting plate 6, and the positioning plates are provided with fixing holes. The connecting plate 6 is close to the lower side of the base 1, so that the base 1 is installed and fixed through the connecting plate 6, and the fixing effect is better and more convenient and rapid.
The base 1 and the rolling shaft 3 are both made of steel, and the support 2 is made of polypropylene materials. The base 1 and the rolling shaft 3 are both made of steel and have stronger structural stability and bearing capacity; the support 2 is made of polypropylene materials, and the polypropylene materials have the characteristics of no deformation, high rigidity, high surface strength, good chemical stability, smooth surface and the like, so that the support 2 is convenient to install and maintain integrally, long in service life and excellent in corrosion resistance, and has strong corrosion resistance to common acids, alkalis, salts and various solvents.
This scheme is when using, through fixing bolt or expansion bolts with the downside fixed connection of base 1 and the medial surface of concrete pipe, wherein, makes roller bearing 3 be in the horizontality in the installation to its axial is perpendicular with the axial of concrete pipe, then, through rotating adjusting part 5, makes roller bearing 3's the side of going up reach the height that needs, can realize the installation location of whole adjustable support fast like this. In the steel pipe pushing process, the steel pipe is in contact with the roller 3, so that friction between the steel pipe and the roller 3 is rolling friction, friction force of the steel pipe received in the pushing process can be greatly reduced, and the corrosion-resistant layer on the surface of the steel pipe is prevented from being damaged. Simultaneously, after adopting this support frame, can effectively improve the centering effect (especially centering from top to bottom) of steel pipe and concrete pipe to effectively promote the anti deformability of whole pipeline (including concrete pipe and steel pipe). And, because the distance between support 2 and the base 1 can be adjusted to make whole adjustable support's application scope stronger, can effectively reduce construction cost.
The adjustable support can effectively realize the centering of the steel pipe and the concrete pipe, and is convenient to construct, thereby greatly improving the deformation resistance of the whole pipeline; meanwhile, the damage of an anticorrosive coating on the outer wall of the steel pipe due to friction can be avoided, so that the service life of the steel pipe is prolonged; moreover, the application range of the whole adjustable support is wider, and the construction cost can be effectively reduced.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a push pipe construction is with adjustable support of steel pipe which characterized in that: comprises a base, a support and a roller; the support is arranged above the base, and the lower side surface of the support is connected with the upper side surface of the base through two adjusting screws; a counter bore is arranged at the position, corresponding to the adjusting screw, of the lower side surface of the support, and the upper end of the adjusting screw extends into the counter bore; the upper side surface of the base is provided with a guide hole, and the lower end of the adjusting screw rod extends into the guide hole; the adjusting screw is provided with an adjusting piece, and the support can move up and down by rotating the adjusting piece;
at least one roller groove is formed in the upper side face of the support along the length direction of the support, and the bottom face of the roller groove is in a circular arc shape corresponding to the side wall of the roller; a roller is arranged in each roller groove, the lower side of each roller is attached to the bottom of each roller groove, the upper side of each roller is protruded out of the upper side surface of the support, and the rollers can freely rotate around the axial lead of the rollers; two sides of the base are respectively provided with a connecting plate, and the positioning plate is provided with a fixing hole.
2. The adjustable support of steel pipe for pipe jacking construction according to claim 1, wherein: the upper end of the adjusting screw rod is fixedly connected with the support, and the adjusting screw rod is in clearance fit with the guide hole; the adjusting piece is an adjusting nut sleeved on the adjusting screw rod, and the adjusting nut is connected with the adjusting screw rod in a threaded matching manner.
3. The adjustable support of steel pipe for pipe jacking construction according to claim 2, wherein: a gasket is arranged between the adjusting nut and the base.
4. The adjustable support of steel pipe for pipe jacking construction according to claim 1, wherein: the upper end of the adjusting screw rod can freely rotate in the counter bore, the lower end of the adjusting screw rod is connected with the base in a threaded fit mode, and the adjusting piece is a polygonal operating handle which is sleeved on the adjusting screw rod and fixedly connected with the adjusting screw rod.
5. The adjustable support of steel pipe for pipe jacking construction according to claim 4, wherein: and a bearing is arranged in a counter bore on the lower side surface of the support, and the upper end of the adjusting screw rod is connected with the bearing.
6. The adjustable support of steel pipe for pipe jacking construction according to claim 1, wherein: the roller is rotatably connected with two ends of the roller groove through a connecting shaft, the side walls of the two ends of the roller groove are respectively provided with an installation groove, and the upper end of the installation groove penetrates through the upper side surface of the support; the connecting shaft is placed into the mounting groove from the upper end of the mounting groove and is rotatably connected with the mounting groove.
7. The adjustable support of steel pipe for pipe jacking construction according to claim 6, wherein: the end of the connecting shaft is provided with a bearing, and the bearing is arranged in the mounting groove and fixedly connected with the support.
8. The adjustable support of steel pipe for pipe jacking construction according to claim 1, wherein: the base and the rolling shaft are both made of steel, and the support is made of polypropylene materials.
9. The adjustable support of steel pipe for pipe jacking construction according to claim 1, wherein: the downside of base is the arcwall face.
10. The adjustable support of steel pipe for pipe jacking construction according to claim 1, wherein: the connecting plate is close to the lower side of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964787.1U CN210141370U (en) | 2019-06-25 | 2019-06-25 | Adjustable support of steel pipe for pipe jacking construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964787.1U CN210141370U (en) | 2019-06-25 | 2019-06-25 | Adjustable support of steel pipe for pipe jacking construction |
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| Publication Number | Publication Date |
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| CN210141370U true CN210141370U (en) | 2020-03-13 |
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| CN201920964787.1U Active CN210141370U (en) | 2019-06-25 | 2019-06-25 | Adjustable support of steel pipe for pipe jacking construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173594A (en) * | 2019-06-25 | 2019-08-27 | 中冶建工集团有限公司 | Jacking construction steel pipe adjustable supporting device |
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2019
- 2019-06-25 CN CN201920964787.1U patent/CN210141370U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173594A (en) * | 2019-06-25 | 2019-08-27 | 中冶建工集团有限公司 | Jacking construction steel pipe adjustable supporting device |
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