CN210034667U - Reinforced anti-settling jacking pipe for trenchless construction - Google Patents
Reinforced anti-settling jacking pipe for trenchless construction Download PDFInfo
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- CN210034667U CN210034667U CN201920727648.7U CN201920727648U CN210034667U CN 210034667 U CN210034667 U CN 210034667U CN 201920727648 U CN201920727648 U CN 201920727648U CN 210034667 U CN210034667 U CN 210034667U
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Abstract
The utility model relates to a reinforced anti-settling jacking pipe for trenchless construction, which comprises a concrete sleeve and a steel cylinder embedded in the concrete sleeve, the steel cylinder comprises an inner cylinder and an outer cylinder, the outer diameter of the outer cylinder is equal to the inner diameter of the concrete sleeve, the axes of the outer cylinder and the inner cylinder are positioned on the same straight line, and a supporting structure is fixedly arranged between the outer cylinder and the inner cylinder, one end of the steel cylinder is positioned outside the concrete sleeve, the outer cylinder in the end is contracted towards the axis of the steel cylinder and is fixedly connected with the inner cylinder, the end is a socket, the inner side wall of the inner cylinder at the inserting port is fixedly provided with a reinforcing rib, the inner cylinder in the other end of the steel cylinder expands towards one side far away from the axis of the steel cylinder and is fixedly connected with the outer cylinder, the end is a socket, and in the section of the steel cylinder passing through the axis of the steel cylinder, the included angles between the inclined planes at the two ends of the steel cylinder and the axis are equal. The soil layer can be conveniently separated, the top pipe can be conveniently inserted into the soil layer, and then the phenomenon that the insertion port is difficult to deform and damage is avoided.
Description
Technical Field
The utility model relates to a non-excavation construction equipment's technical field especially relates to a strenghthened type prevents subsiding push pipe for non-excavation construction.
Background
The non-excavation means a new construction technology for laying, replacing and repairing various underground pipelines by utilizing various rock-soil drilling equipment and technical means and adopting the modes of guiding, directional drilling and the like under the condition of excavating at a very small part of the earth surface, has small damage and influence on surrounding traffic, environment and surrounding buildings, and has higher social and economic effects. The jacking pipe is an important facility in the trenchless technology and mainly comprises a plug socket, a socket and a pipe core, wherein the plug socket and the socket are respectively fixed at two ends of the pipe core. With the rapid development of urban infrastructure construction, trenchless pipe jacking construction is widely used. The socket and the bell and spigot of the existing jacking pipe need to be butted, and the jacking pipe is easy to damage due to the fact that the jacking pipe needs to bear extremely large resistance when being nailed into a soil layer.
If the chinese patent with the publication number of CN202719282U discloses a reinforced anti-settling jacking pipe for trenchless construction, which comprises a concrete pipe core, a steel cylinder embedded in the concrete pipe core, an insertion port and a bell and spigot, wherein the insertion port and the bell and spigot are respectively and fixedly installed at two ends of the steel cylinder, and a reinforcing rib is arranged on the inner wall of the insertion port. The pipe jacking device has the advantages of simple structure and convenience in operation, but when the pipe jacking device is nailed into a soil layer, the phenomenon of deformation and damage of the insertion port is easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a jack is prevented subsiding by strenghthened type for non-excavation construction, when nailing this jack pipe into the soil layer, the phenomenon of deformation damage is difficult for appearing in the interface.
The above object of the present invention can be achieved by the following technical solutions: a reinforced anti-settling jacking pipe for trenchless construction comprises a concrete sleeve and a steel cylinder embedded in the concrete sleeve, the steel cylinder comprises an inner cylinder and an outer cylinder, the outer diameter of the outer cylinder is equal to the inner diameter of the concrete sleeve, the inner cylinder is positioned at the inner side of the outer cylinder, the outer diameter of the inner cylinder is smaller than the inner diameter of the outer cylinder, the axes of the outer cylinder and the inner cylinder are positioned on the same straight line, and a supporting structure is fixedly arranged between the outer cylinder and the inner cylinder, one end of the steel cylinder is positioned outside the concrete sleeve, the outer cylinder in the end is contracted towards the axis of the steel cylinder and is fixedly connected with the inner cylinder, the end is a socket, the inner side wall of the inner cylinder at the inserting port is fixedly provided with a reinforcing rib, the inner cylinder in the other end of the steel cylinder expands towards one side far away from the axis of the steel cylinder and is fixedly connected with the outer cylinder, the end is a socket, and in the section of the steel cylinder passing through the axis of the steel cylinder, the included angles between the inclined planes at the two ends of the steel cylinder and the axis are equal.
Through adopting above-mentioned technical scheme, because this one end of interface in the steel cylinder sets up sharp-pointed structure into, when the steel pipe is nailed in the soil horizon, can be convenient for part the soil horizon, be convenient for insert this push pipe in the soil horizon. Thereby preventing the interface from deformation and damage. In the process of pegging graft, because the lateral wall that inserts the interface in the steel cylinder receives the extrusion, can support the interface of steel cylinder through the strengthening rib, further make the difficult phenomenon that deformation damaged that appears of interface.
The utility model discloses further set up to: the structure between the end of the outer cylinder, which is contracted towards the axis of the steel cylinder, and the inner cylinder is a solid structure.
Through adopting above-mentioned technical scheme, make the interface be solid structure to when the interface receives the extrusion, can bear bigger power, thereby make the difficult phenomenon that deformation damaged of appearing of interface.
The utility model discloses further set up to: the inner side surface of the outer cylinder in the shape of a cone is provided with a guide thread.
By adopting the technical scheme, when the jacking pipe is jacked into the soil layer, the outer cylinder is enabled to be as a drill bit by the guide thread, and the outer cylinder is conveniently jacked into the soil layer.
The utility model discloses further set up to: the supporting structure comprises supporting rings, the supporting rings are perpendicular to the axis of the steel pipe, the outer side faces of the supporting rings are fixedly connected with the outer cylinder, the inner side faces of the supporting rings are fixedly connected with the inner cylinder, and the number of the supporting rings is at least two.
Through adopting above-mentioned technical scheme, the urceolus can be supported to the support ring, makes the structure of whole steel cylinder more firm.
The utility model discloses further set up to: the support ring on wear to be equipped with the bracing piece, the bracing piece perpendicular to support ring, and the both ends of bracing piece are coniform medial surface and the inner tube respectively and are coniform lateral surface fixed connection with the urceolus, the bracing piece be provided with at least two and equal with the distance between the axis of steel pipe, the distance between two adjacent steel pipes equals, the medial surface laminating of bracing piece and urceolus.
Through adopting above-mentioned technical scheme, when the steel cylinder received the extrusion, because the medial surface of bracing piece laminating urceolus supports the urceolus under the effect of the bracing piece of support ring, makes the difficult emergence deformation of urceolus, and the steadiness of whole steel pipe is higher.
The utility model discloses further set up to: the inner cylinder be seted up annular seal groove on the conical medial surface, the axis of seal groove and the axis of steel cylinder are located same straight line, the seal groove is embedded to be equipped with the sealing washer.
By adopting the technical scheme, when the inserting port is inserted into the bearing port, the sealing ring can seal a gap between the inserting port and the bearing port, and the connecting and sealing performance between two adjacent jacking pipes is improved.
The utility model discloses further set up to: the outer cylinder is provided with an annular positioning groove on the outer side surface in a conical shape, the axis of the positioning groove and the axis of the steel cylinder are located on the same straight line, and the size of the cross section of the sealing ring located on the outer side of the sealing groove is larger than that of the cross section of the positioning groove.
Through adopting above-mentioned technical scheme, the constant head tank can fix a position the sealing washer, and when inserting the interface and accepting intraorally, the difficult emergence offset of sealing washer. And because the cross section size that the sealing washer is located the seal groove outside is greater than the cross section size of constant head tank, makes to form interference fit's structure between sealing washer and the constant head tank, sealing performance is better.
The utility model discloses further set up to: the constant head tank all seted up two at least with the seal groove.
By adopting the technical scheme, the gap between the plug-in port and the socket can be further sealed, and when one sealing ring cannot well seal the plug-in port and the socket, other sealing rings can still seal the gap between the plug-in port and the socket.
To sum up, the utility model discloses a beneficial technological effect does:
1. the soil layer can be conveniently separated, the top pipe can be conveniently inserted into the soil layer, and the phenomenon of deformation and damage of the insertion port is difficult to occur;
2. the whole steel cylinder is not easy to deform, and the stability of the whole steel pipe is higher.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention along a plane parallel to the axis;
fig. 3 is a cross-sectional view of the present invention along a plane perpendicular to the axis.
Reference numerals: 1. a concrete sleeve; 2. a steel cylinder; 21. an inner barrel; 22. an outer cylinder; 3. an interface; 31. a socket; 32. reinforcing ribs; 4. a support ring; 41. a support bar; 5. a sealing groove; 51. positioning a groove; 52. and (5) sealing rings.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the reinforced anti-settling jacking pipe for trenchless construction comprises a concrete casing pipe 1 and a steel cylinder 2 embedded in the concrete casing pipe 1. The steel cylinder 2 comprises an inner cylinder 21 and an outer cylinder 22, and the axes of the outer cylinder 22 and the inner cylinder 21 and the axis of the concrete sleeve 1 are located on the same axis. The outer diameter of the outer cylinder 22 is equal to the inner diameter of the concrete sleeve 1. The outer cylinder 22 and the inner cylinder 21 are connected by a support structure.
As shown in fig. 2, one end of the outer cylinder 22 is located outside the concrete sleeve 1 and is the socket 3, and the other end of the outer cylinder 22 is located inside the concrete sleeve 1 and is the socket 31. One end of the outer cylinder 22, which is positioned at the interface 3, is contracted towards the axis of the outer cylinder 22 and is fixedly connected with the inner cylinder 21, and one end of the inner cylinder 21, which is positioned at the socket 31, is expanded towards one side far away from the axis of the outer cylinder 22 and is fixedly connected with the outer cylinder 22. The solid structure is arranged between one end of the outer cylinder 22 located at the interface 3 and the inner cylinder 21, the guide screw thread is carved on the conical outer side surface of the outer cylinder 22, the inner cylinder 21 is convexly formed on the inner side wall located at the interface 3, eight reinforcing ribs 32 are arranged on the reinforcing ribs 32, and the distance between every two adjacent reinforcing ribs 32 is equal. In the section of the steel cylinder 2 passing through the axis, the included angle between the inclined planes at the two ends of the steel cylinder 2 and the axis is equal, and the inserting port 3 and the bearing port 31 in the two adjacent steel cylinders 2 are tightly attached.
As shown in fig. 2 and 3, the support structure includes support rings 4 and support rods 41, the support rings 4 are perpendicular to the axis of the outer cylinder 22, three support rings are arranged in one steel cylinder 2, and the distance between two adjacent support rings 4 is equal. The support rods 41 are parallel to the axis of the outer cylinder 22 and penetrate through the support rings 4, eight support rods 41 penetrate through one support ring 4, and the distance between every two adjacent support rods 41 is equal. The diameter of the support rod 41 is smaller than the difference between the outer diameter and the inner diameter of the support ring 4, and the support rod 41 is attached to the inner side wall of the outer cylinder 22. The two ends of the support rod 41 are respectively fixedly connected with the conical inner side surface of the outer cylinder 22 and the conical outer side surface of the inner cylinder 21. When the steel cylinder 2 is extruded, the supporting rod 41 is attached to the inner side surface of the outer cylinder 22, and the outer cylinder 22 is supported under the action of the supporting rod 41 of the supporting ring 4, so that the outer cylinder 22 is not easy to deform, and the stability of the whole steel pipe is higher.
As shown in fig. 2 and 3, two annular seal grooves 5 are formed on the conical inner surface of the inner tube 21, and two annular positioning grooves 51 are formed on the conical outer surface of the outer tube 22. The axes of the sealing groove 5 and the positioning groove 51 are positioned on the same straight line with the axis of the outer cylinder 22, a sealing ring 52 is embedded in the density groove, the size of the cross section of the sealing ring 52 is larger than that of the cross section of the sealing groove 5, and the size of the cross section of the part, positioned outside the sealing groove 5, of the sealing ring 52 is larger than that of the cross section of the positioning groove 51. When the spigot 3 and the socket 31 of two adjacent steel cylinders 2 are tightly attached, the part of the sealing ring 52 positioned outside the sealing groove 5 is embedded in the positioning groove 51. When inserting interface 3 into bellmouth 31, sealing washer 52 can seal the gap between bayonet 3 and the bellmouth 31, has improved the connection sealing performance between two adjacent push pipes, because the cross section size that sealing washer 52 is located the 5 outsides of seal groove is greater than the cross section size of constant head tank 51, makes to form interference fit's structure between sealing washer 52 and the constant head tank 51, and sealing performance is better.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a strenghthened type prevents subsiding push pipe for non-excavation construction, includes concrete pipe (1) and inlays steel cylinder (2) of establishing in concrete pipe (1), its characterized in that: the steel cylinder (2) comprises an inner cylinder (21) and an outer cylinder (22), the outer diameter of the outer cylinder (22) is equal to the inner diameter of the concrete sleeve (1), the inner cylinder (21) is positioned on the inner side of the outer cylinder (22), the outer diameter of the inner cylinder (21) is smaller than the inner diameter of the outer cylinder (22), the axes of the outer cylinder (22) and the inner cylinder (21) are positioned on the same straight line, a supporting structure is fixedly arranged between the outer cylinder (22) and the inner cylinder (21), one end of the steel cylinder (2) is positioned on the outer side of the concrete sleeve (1), the outer cylinder (22) in the end is contracted towards the axis of the steel cylinder (2) and is fixedly connected with the inner cylinder (21), the end is a plug port (3), a reinforcing rib (32) is fixedly arranged on the inner side wall of the inner cylinder (21) positioned at the plug port (3), the inner cylinder (21) in the other end of the steel cylinder (2) is expanded towards, and is fixedly connected with the outer cylinder (22), the end is a bearing opening (31), and in the section of the steel cylinder (2) passing through the axis of the steel cylinder (2), the included angles between the inclined planes at the two ends of the steel cylinder (2) and the axis are equal.
2. The reinforced anti-settling jacking pipe for trenchless construction as claimed in claim 1, wherein: the structure between one end of the outer cylinder (22) which is contracted towards the axis of the steel cylinder (2) and the inner cylinder (21) is a solid structure.
3. The reinforced anti-settling jacking pipe for trenchless construction as claimed in claim 2, wherein: the outer side surface of the outer cylinder (22) in a conical shape is provided with a guide thread.
4. The reinforced anti-settling jacking pipe for trenchless construction as claimed in claim 1, wherein: the supporting structure comprises a supporting ring (4), the supporting ring (4) is perpendicular to the axis of the steel pipe, the outer side face of the supporting ring (4) is fixedly connected with an outer cylinder (22), the inner side face of the supporting ring (4) is fixedly connected with an inner cylinder (21), and at least two supporting rings are arranged on the supporting ring (4).
5. The reinforced anti-settling jacking pipe for trenchless construction as claimed in claim 4, wherein: the support ring (4) on wear to be equipped with bracing piece (41), bracing piece (41) perpendicular to support ring (4), and the both ends of bracing piece (41) are coniform medial surface and inner tube (21) and are coniform lateral surface fixed connection with urceolus (22) respectively, bracing piece (41) be provided with at least two and equal with the distance between the axis of steel pipe, the distance between two adjacent steel pipes equals, the medial surface laminating of bracing piece (41) and urceolus (22).
6. The reinforced anti-settling jacking pipe for trenchless construction as claimed in claim 1, wherein: the inner cylinder (21) be seted up annular seal groove (5) on the conical medial surface, the axis of seal groove (5) is located same straight line with the axis of steel cylinder (2), seal ring (52) are equipped with to seal groove (5) embedded.
7. The reinforced anti-settling jacking pipe for trenchless construction as claimed in claim 6, wherein: the outer cylinder (22) is provided with an annular positioning groove (51) on the outer side surface in a conical shape, the axis of the positioning groove (51) and the axis of the steel cylinder (2) are located on the same straight line, and the size of the cross section of the sealing ring (52) located on the outer side of the sealing groove (5) is larger than that of the cross section of the positioning groove (51).
8. The reinforced anti-settling jacking pipe for trenchless construction as claimed in claim 7, wherein: the positioning groove (51) and the sealing groove (5) are both provided with at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920727648.7U CN210034667U (en) | 2019-05-15 | 2019-05-15 | Reinforced anti-settling jacking pipe for trenchless construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920727648.7U CN210034667U (en) | 2019-05-15 | 2019-05-15 | Reinforced anti-settling jacking pipe for trenchless construction |
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| Publication Number | Publication Date |
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| CN210034667U true CN210034667U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920727648.7U Active CN210034667U (en) | 2019-05-15 | 2019-05-15 | Reinforced anti-settling jacking pipe for trenchless construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211535A (en) * | 2020-02-22 | 2020-05-29 | 北京泰德市政工程有限公司 | Pipe jacking device and pipe jacking construction process |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111211535A (en) * | 2020-02-22 | 2020-05-29 | 北京泰德市政工程有限公司 | Pipe jacking device and pipe jacking construction process |
| CN111211535B (en) * | 2020-02-22 | 2021-03-30 | 北京泰德市政工程有限公司 | Pipe jacking device and pipe jacking construction process |
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