CN211117960U - Main jacking device for pipe jacking construction - Google Patents
Main jacking device for pipe jacking construction Download PDFInfo
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- CN211117960U CN211117960U CN201922493050.9U CN201922493050U CN211117960U CN 211117960 U CN211117960 U CN 211117960U CN 201922493050 U CN201922493050 U CN 201922493050U CN 211117960 U CN211117960 U CN 211117960U
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Abstract
The utility model discloses a push pipe construction is with main top device, including main top device main part, back wall, the back wall include preceding steel sheet, back steel sheet, I-steel connecting rod and precast concrete cushion, the vertical setting of back steel sheet to support with the interior wall of foundation ditch and lean on, preceding steel sheet and back steel sheet parallel arrangement to and leave the space between the back steel sheet, the I-steel connecting rod set up left side end and the right side end in this space to left side end and the right side end in this space of shutoff, I-steel connecting rod both ends are connected with preceding steel sheet and back steel sheet detachable respectively, precast concrete cushion pack in this space to precast concrete cushion both ends face supports with preceding steel sheet and back steel sheet and leans on, the utility model discloses simple structure, convenient to use.
Description
Technical Field
The utility model relates to a construction equipment's technical field specifically is a push pipe construction is with main top device.
Background
The pipe-jacking construction method is mainly characterized in that jacking force generated by jacking equipment in a foundation pit is used, friction between the pipeline and surrounding soil is overcome, the pipeline is jacked into the soil according to a designed gradient, earthwork is transported away, a back wall is usually arranged on one surface of the foundation pit far away from the pipe jacking, and a prefabricated cement pipe is jacked by means of jacking equipment arranged on the back wall through turnover jacking iron and a mouth guard ring, and a pipeline tunnel is formed in a circulating manner.
The back wall in the existing engineering is generally a reinforced concrete layer, binding, formwork erecting, pouring and maintenance are needed when the back wall is manufactured, the process is complicated, a long manufacturing period is needed after all the back wall is manufactured, and the construction progress is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a main top device is used in push pipe construction provides a back wall structure that can be prefabricated, convenient transfer and installation.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a push pipe construction is with main top device, includes main top device main part, back wall, the back wall include preceding steel sheet, back steel sheet, I-steel connecting rod and precast concrete cushion, the vertical setting of back steel sheet to support with the interior wall of foundation ditch and lean on, preceding steel sheet and back steel sheet parallel arrangement to and leave the space between the back steel sheet, the I-steel connecting rod set up left side end and the right side end in this space, and left side end and the right side end in this space of shutoff, I-steel connecting rod both ends are connected with preceding steel sheet and back steel sheet detachable respectively, precast concrete cushion pack in this space to precast concrete cushion both ends face supports with preceding steel sheet and back steel sheet and leans on.
Further, the I-steel connecting rod includes I-steel and connecting rod, the left side and the right side of preceding steel sheet seted up through-hole one respectively, the left side of back steel sheet and the position that the right side corresponds seted up the screw, the I-steel on the position of through-hole one that corresponds seted up through-hole two, the diameter of connecting rod respectively with through-hole one and through-hole two adaptations, the front end side of connecting rod sets up the screw thread, the rear end is provided with spacing cap, the connecting rod passes through-hole one and through-hole two in proper order to the front end spiro union is in the screw, spacing cap's terminal surface supports with preceding steel sheet and leans on.
Furthermore, the gap is also provided with an I-steel limiting seat in the middle, and the I-steel limiting seat is detachably connected with the front steel plate.
Further, precast concrete cushion block include concrete body and parallels, concrete body include middle rectangular block and the lug that is located the left and right sides of center rectangular block, the parallels fixed front and the back that sets up at center rectangular block and lug, the parallels of middle rectangular block cooperate with preceding steel sheet and back steel sheet slidable respectively, the groove adaptation of lug and I-steel and the spacing seat of I-steel.
Furthermore, the bottom of the front steel plate is vertically and fixedly provided with a bottom plate, a reinforcing plate is arranged between the bottom plate and the front steel plate, a fixing hole is formed in the bottom plate, and a positioning nail is arranged in the fixing hole.
Compared with the prior art, the beneficial effects of the utility model are that:
the prefabrication of the back wall structure of the main jacking device is realized, the front steel plate, the back steel plate, the I-shaped steel connecting rod and the precast concrete cushion block can be prefabricated, the prefabricated back wall structure is installed on a construction site, the construction time is saved, the prefabricated back wall structure can be repeatedly used, the transportation is convenient, and the assembly and the disassembly are all very convenient.
Drawings
FIG. 1 is a side view of the back wall of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a cross-sectional elevation view of the front steel plate of the present invention;
FIG. 4 is a side cross-sectional view of a front steel plate of the present invention;
fig. 5 is a front view of the rear steel plate of the present invention;
fig. 6 is a plan view of the precast concrete pad of the present invention.
In the figure: the main jacking device comprises a main jacking device body-1, a back wall-2, a front steel plate-3, a back steel plate-4, an I-steel connecting rod-5, a precast concrete cushion block-6, a foundation pit-7, a gap-8, I-steel-9, a connecting rod 10, a through hole I-11, a screw hole-12, a through hole II-13, a limiting cap-14, an I-steel limiting seat-15, a through hole III-16, a concrete body-17, a sizing block-18, a central rectangular block-19, a bump-20, a bottom plate-21, a reinforcing plate-22, a fixing hole-23, a positioning nail-24 and a hanging ring-25.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the attached drawings, a main jacking device for pipe jacking construction comprises a main jacking device body 1 and a back wall 2, wherein the main jacking device body 1 refers to other equipment for pipe jacking construction and generally comprises a pipe jacking machine, a guide rail, a hydraulic jack bracket, a driving device and a tunneling machine, the structure of the main jacking device body 1 can be designed according to actual conditions, the back wall 2 comprises a front steel plate 3, a back steel plate 4, an I-steel connecting rod 5 and a precast concrete cushion block 6, the back steel plate 4 is vertically arranged and is abutted against the inner wall surface of a foundation pit 7, the front steel plate 3 and the back steel plate 4 are arranged in parallel, a gap 8 is reserved between the front steel plate 3 and the back steel plate 4, generally, the thickness of the front steel plate 3 is larger than that of the back steel plate 4, the front steel plate 3 is the main part of the main jacking device body 1 for applying force, and the thicker front steel plate 3 can prevent deformation, the service life is ensured, the assembly difficulty is reduced by the steel plate 3 before deformation does not occur, the I-steel connecting rods 5 are arranged at the left side end and the right side end of the gap 8 and seal the left side end and the right side end of the gap 8, the two ends of the I-steel connecting rods 5 are detachably connected with the front steel plate 3 and the rear steel plate 4 respectively, namely, the I-steel connecting rods 5 connect the front steel plate 3 with the rear steel plate 4, the precast concrete cushion block 6 is filled in the gap 8, the two end faces of the precast concrete cushion block 6 are abutted against the front steel plate 3 and the rear steel plate 4, namely, the precast concrete cushion block 6 supports the front steel plate 3, the position of the main jacking device body 1 for applying force is mainly positioned in the middle of the front steel plate 3 and supported by the precast concrete cushion block 6, the stability of the back wall 2 is ensured, the I-steel connecting rods 5 arranged at the two sides limit the position of the precast concrete cushion block 6 after assembly, the assembly difficulty is reduced, and the gap 8 can be filled with the precast concrete cushion block 6.
Specifically, I-steel connecting rod 5 includes I-steel 9 and connecting rod 10, the left side and the right side of preceding steel sheet 3 seted up through-hole one 11 respectively, the left side of back steel sheet 4 and the position that the right side corresponds seted up screw 12, I-steel 9 on the position of through-hole one 11 that corresponds seted up through-hole two 13, the diameter of connecting rod 10 respectively with through-hole one 11 and two 13 adaptations of through-hole, the front end side of connecting rod 10 sets up the screw thread, the rear end is provided with spacing cap 14, connecting rod 10 passes through-hole one 11 and two 13 in proper order to the front end spiro union is in screw 12, the terminal surface of spacing cap 14 supports with preceding steel sheet 3 and leans on, the connecting rod 10 of setting has restricted I-steel 9's position.
Specifically, the space 8 is further provided with an I-steel limiting seat 15 in the middle, the I-steel limiting seat 15 is detachably connected with the front steel plate 3, the I-steel limiting seat 15 is connected with the front steel plate 3 through screws, namely, the middle of the front steel plate 3 is provided with three through holes 16, the front of the I-steel limiting seat 15 is provided with screw holes, the screws connect the I-steel limiting seat 15 to the front steel plate 3, the space 8 is divided into two parts by the I-steel limiting seat 15, and the corresponding precast concrete cushion block 6 can be provided with a smaller size to facilitate transportation and disassembly.
Specifically, the precast concrete pad 6 comprises a concrete main body 17 and a sizing block 18, the concrete main body 17 comprises a middle rectangular block 19 and convex blocks 20 positioned at the left side and the right side of the central rectangular block 19, the sizing block 18 is fixedly arranged at the front side and the back side of the central rectangular block 19 and the convex blocks 20, the sizing block 18 of the middle rectangular block 19 is respectively matched with the front steel plate 3 and the back steel plate 4 in a sliding manner, the convex blocks 20 are matched with the grooves of the i-beams 9 and the grooves of the i-beam limiting seats 15, the middle rectangular block 19 is a main structure for supporting the front steel plate 3, as the precast concrete pad 6 is provided with a plurality of blocks, the sectional stress between the split precast concrete pads 6 can only be borne by the front steel plate 3 and the back steel plate 4 when being pushed by external force, the convex blocks 20 are arranged at the two sides of the middle rectangular block 19, and the convex blocks 20 are respectively matched with the grooves of the i-beams 9 and the grooves of the i-beam limiting seats 15, and the lug 20 is matched with the I-steel 9 and the I-steel limiting seat 15 to bear the section stress. The sizing block 18 that sets up prevents that other structure striking of central rectangular block 19 and lug 20 from causing concrete structure's damage when the assembly to influence precast concrete cushion 6 assembly precision, and precast concrete cushion 6's top can set up link 25, and link 25 conveniently lifts by crane and ships.
Specifically, the bottom of the front steel plate 3 is vertically and fixedly provided with a bottom plate 21, a reinforcing plate 22 is arranged between the bottom plate 21 and the front steel plate 3, a fixing hole 23 is formed in the bottom plate 21, and a positioning nail 24 is arranged in the fixing hole 23.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a push pipe construction is with main top device, includes main top device main part, its characterized in that still includes back wall, back wall include preceding steel sheet, back steel sheet, I-steel connecting rod and precast concrete cushion, the vertical setting of back steel sheet to support with the interior wall of foundation ditch and lean on, preceding steel sheet and back steel sheet parallel arrangement to and leave the space between the back steel sheet, the I-steel connecting rod set up left side end and the right side end in this space, and left side end and the right side end in this space of shutoff, I-steel connecting rod both ends are connected with preceding steel sheet and back steel sheet detachable respectively, precast concrete cushion pack in this space to precast concrete cushion both ends face supports with preceding steel sheet and back steel sheet and leans on.
2. The main jacking device for pipe jacking construction according to claim 1, wherein: the I-steel connecting rod includes I-steel and connecting rod, the left side and the right side of preceding steel sheet seted up through-hole one respectively, the left side of back steel sheet and the position that the right side corresponds seted up the screw, the I-steel on the position of the through-hole one that corresponds seted up through-hole two, the diameter of connecting rod respectively with through-hole one and through-hole two adaptations, the front end side of connecting rod sets up the screw thread, the rear end is provided with spacing cap, the connecting rod passes through-hole one and through-hole two in proper order to the front end spiro union is in the screw, the terminal surface and the preceding steel sheet of spacing cap support and lean on.
3. The main jacking device for pipe jacking construction according to claim 2, wherein: the gap is also provided with an I-steel limiting seat in the middle, and the I-steel limiting seat is detachably connected with the front steel plate.
4. The main jacking device for pipe jacking construction according to claim 3, wherein: precast concrete cushion include concrete main part and parallels, concrete main part include middle rectangular block and the lug that is located the left and right sides of center rectangular block, the parallels fixed front and the back that sets up at center rectangular block and lug, the parallels of middle rectangular block cooperate with preceding steel sheet and back steel sheet slidable respectively, the groove adaptation of lug and I-steel and the spacing seat of I-steel.
5. The main jacking device for pipe jacking construction according to claim 4, wherein: the bottom of the front steel plate is vertically and fixedly provided with a bottom plate, a reinforcing plate is arranged between the bottom plate and the front steel plate, a fixing hole is formed in the bottom plate, and a positioning nail is arranged in the fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922493050.9U CN211117960U (en) | 2019-12-31 | 2019-12-31 | Main jacking device for pipe jacking construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922493050.9U CN211117960U (en) | 2019-12-31 | 2019-12-31 | Main jacking device for pipe jacking construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211117960U true CN211117960U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922493050.9U Active CN211117960U (en) | 2019-12-31 | 2019-12-31 | Main jacking device for pipe jacking construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357435A (en) * | 2021-06-08 | 2021-09-07 | 中交一公局西北工程有限公司 | Assembled back rest device for pipe jacking construction |
-
2019
- 2019-12-31 CN CN201922493050.9U patent/CN211117960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357435A (en) * | 2021-06-08 | 2021-09-07 | 中交一公局西北工程有限公司 | Assembled back rest device for pipe jacking construction |
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