CN215618934U - On-spot prefabricating device of super large section rectangle push pipe tube coupling - Google Patents
On-spot prefabricating device of super large section rectangle push pipe tube coupling Download PDFInfo
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- CN215618934U CN215618934U CN202121482213.4U CN202121482213U CN215618934U CN 215618934 U CN215618934 U CN 215618934U CN 202121482213 U CN202121482213 U CN 202121482213U CN 215618934 U CN215618934 U CN 215618934U
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Abstract
The utility model discloses an on-site prefabricating device for a rectangular pipe jacking pipe joint with an oversized section, which consists of a complete set of combined steel templates, wherein the templates can be disassembled and assembled according to the prefabricating construction requirement; the complete set of combined steel template comprises a base, an inner mold fixing frame, an outer mold and a socket body; the base consists of a bottom die and a bottom die frame assembly; the outer die comprises a long outer die and a short outer die, the two outer dies are arc-shaped at two ends, and the long outer die and the short outer die are bolted into a whole through bolts; the socket body is welded on one side of the upper part of the outer die close to the inner die and used for forming the F-shaped socket of the pipe joint; the inner mold fixing frame, the inner mold, the bottom mold and the outer mold are sequentially arranged from inside to outside; the outer die, the bottom die, the inner die and the inner die fixing frame are arranged on the bottom die frame assembly. The sliding type demoulding of the inner mould and the outer mould of the prefabricating device not only enables the whole set of steel templates to be conveniently and efficiently mounted and dismounted, but also accelerates the demoulding speed, and can solve the problem that the surface of a finished pipe joint is damaged due to manual misoperation when the outer mould and the inner mould are lifted by the traditional demoulding.
Description
Technical Field
The utility model relates to the technical field of pipe jacking engineering, in particular to an on-site prefabricating device for a rectangular pipe jacking joint with an ultra-large section.
Background
The rectangular pipe joints gradually become main section forms of the pipe joints due to the advantages of high space utilization rate, shallow soil covering, multiple applicable engineering types and the like, and in recent years, the ultra-large section pipe joints become hot spots for urban tunnel engineering. The rectangular jacking pipe joint is mainly formed by pouring concrete in a steel mould, vibrating and curing, and the mould is convenient to install, firm and stable, and the demoulding mode influences the production period and the finished product quality of the pipe joint. The existing mould is often suitable for medium and small-section pipe joints, and faces the problems of difficult assembly and low efficiency when facing the pipe joints with the overlarge sections, the traditional demoulding mode is to lift the external mould and the internal mould, the demoulding time is long, and if an operation error exists, the external mould is still collided with the surface of the finished pipe joint, so that the quality problem is caused. Therefore, a pipe joint field prefabricating device which is suitable for the installation and the disassembly of an oversized section, is convenient and efficient, is firmly connected and does not influence the quality of a finished pipe joint in the demolding process is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art, and provides the on-site prefabricating device which is convenient and efficient to install and disassemble, firm in connection and suitable for the rectangular push pipe joints with the oversized cross sections, and the quality of finished pipe joints is not influenced by a demolding mode.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
an on-site prefabricating device for a rectangular pipe jacking pipe joint with an oversized section comprises a complete set of combined steel templates, wherein the templates can be disassembled and assembled according to the prefabrication construction requirement; the complete set of combined steel template comprises a base, an inner mold fixing frame, an outer mold and a socket body; the base consists of a bottom die and a bottom die frame assembly; the outer die comprises a long outer die and a short outer die, the two outer dies are arc-shaped at two ends, and the long outer die and the short outer die are bolted into a whole through bolts; the socket body is welded on one side of the upper part of the outer die close to the inner die and used for forming the F-shaped socket of the pipe joint; the inner mold fixing frame, the inner mold, the bottom mold and the outer mold are sequentially arranged from inside to outside; the outer die, the bottom die, the inner die and the inner die fixing frame are arranged on the bottom die frame assembly.
Specifically, the base is provided with a positioning hole, and the base is fixedly connected with the ground through a ground embedded screw; a sliding chute is arranged at the joint of the base and the inner mold and the outer mold and is used for adjusting the distance between the outer mold and the inner mold according to the prefabrication construction requirement; the inner frame of the base is provided with positioning holes in the longitudinal and transverse drawknot steel plates for fixing screws of the inner die fixing frame.
Specifically, the inner mold and the outer mold are provided with lower ear plates for positioning with the base, and four corners are tightened and positioned through screws.
Further, the inner die and the outer die are connected through a pull rod screw at the top of the inner die fixing frame; pulley blocks are arranged at the lower parts of the inner mold and the outer mold; the distance between the outer die and the inner die is adjusted through pulley blocks at the bottoms of the inner die and the outer die, and the inner die and the outer die are connected through a pull rod screw at the top of a fixing frame and used for adjusting the thickness of a component.
Specifically, the centre form mount is assembled by the steel framework through the bolt and forms, and the centre form mount is equipped with the spiro union hole site of fixing with the centre form, and the stability of centre form in the concrete pouring in-process is guaranteed to the welding bracing piece in the centre form mount.
Preferably, the support rod is divided into a main rod and a support rod; the main rod horizontally stretches along the axis, and the connecting part of the support rods is provided with a rotating bearing which can rotate around the rotating bearing; the limited displacement setting of mobile jib and branch can guarantee that the centre form realizes certain slip in the base spout.
The inner die and the fixing frame do not need to be assembled and disassembled after being assembled once, and when the pipe joint product is prefabricated, the outer die is assembled and disassembled only through the adjusting pulley block, the pull rod screw and the bolt.
Has the advantages that:
the utility model provides a field prefabricating device for a rectangular pipe-jacking pipe joint with an ultra-large section, aiming at the problems of difficult assembly and low efficiency of the existing pipe joint prefabricating device in the production of the rectangular pipe-jacking pipe joint with the ultra-large section and the problems of longer demolding time caused by the traditional demolding mode and the quality of pipe joint finished products possibly generated in the process of lifting an outer mold and an inner mold.
Drawings
The foregoing and/or other advantages of the utility model will become further apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.
Fig. 1 is a plan view of a pipe joint prefabricating apparatus.
Fig. 2 is an elevation view of a pipe section prefabricating apparatus.
Fig. 3 is a schematic view of a base structure.
Fig. 4 is a schematic view of the inner mold fixing frame.
Fig. 5 is a schematic view of the assembly of the long outer mold and the short outer mold.
Fig. 6 is a schematic view of the inner mold in elevation configuration.
Fig. 7 is an external mold elevation construction schematic.
Wherein each reference numeral represents: 1-a base; 2-an inner mold; 3-an internal mold fixing frame; 4-external mold; 5-a socket body; 6-bottom die; 7-bottom die frame assembly; 8-a chute; 9-long external mold; 10-short external mold; 11-1, 11-2, 11-3-bolts; 12-positioning holes; 13-a drawknot steel plate; 14-a steel frame; 15-support rods; 16-the main pole; 17-a strut; 18-a rotational bearing; 19-inner mold lower ear plate; 20-outer mold lower ear plate; 21-a conical pin boss; 22-a screw; 23-a pulley block; 24-stay screw.
Detailed Description
The utility model will be better understood from the following examples.
The structures, proportions, and dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the skilled in the art. In addition, the terms "upper", "lower", "front", "rear" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.
As shown in fig. 1-7, the utility model provides a field prefabrication device for a rectangular pipe jacking pipe joint with an oversized section, wherein the pipe joint is prefabricated by adopting a combined steel template shape and comprises a base 1, an inner mold 2, an inner mold fixing frame 3, an outer mold 4 and a socket body 5; the base consists of a bottom die 6 and a bottom die frame assembly 7, and a sliding groove 8 is arranged at the joint of the base 1 and the inner die 2 and the outer die 3; the outer die 4 comprises a long outer die 9 and a short outer die 10 which are respectively in an arc shape at two ends, and the long outer die 9 and the short outer die 10 are bolted into a whole through bolts 11-1; the socket strip is welded on one side of the upper part of the outer die 4 close to the inner die 2 and used for forming an F-shaped socket of the pipe joint; the inner mold fixing frame 3, the inner mold 2, the bottom mold 6 and the outer mold 4 are sequentially arranged from inside to outside; the outer die 4, the bottom die 6, the inner die 2 and the inner die fixing frame 3 are arranged on a bottom die frame assembly 7.
The base 1 is provided with a positioning hole 12, and the base is fixedly connected with the ground through a ground embedded screw; a sliding chute 8 is arranged at the joint of the base 1 and the inner mold 2 and the outer mold 4 and is used for adjusting the distance between the outer mold 4 and the inner mold 2 according to the prefabrication construction requirement; the inner frame of the base is provided with positioning holes in the longitudinal and transverse drawknot steel plates 13 for fixing the screws of the inner die fixing frame 3.
The inner die 2 and the outer die 4 are respectively provided with an inner die lower ear plate 19 and an outer die lower ear plate 20. The lower ear plate 19 of the internal mold is inserted into the positioning seat on the base 1 to position the internal mold, and the internal mold 2 is connected and fixed with the internal mold fixing frame 3 through the bolt 11-3. The lower ear plate 20 of the outer die is inserted into a conical pin seat 21 on the base 1 for positioning, and the four corners are tightened and positioned by screws 22. The inner die 2 and the outer die 4 are connected with each other through a pull rod screw 24 at the top of the inner die fixing frame 3; the lower parts of the inner die 2 and the outer die 4 are provided with a pulley block 23; the distance between the outer die 4 and the inner die 2 is adjusted through pulley blocks 23 at the bottoms of the inner die 2 and the outer die 4, the inner die 2 and the outer die 4 are connected with the inner die and the outer die through pull rod screws 24 at the tops of the fixed frames 3, and the thickness of the component is adjusted.
The internal mold fixing frame 3 is formed by assembling a steel frame 14 through bolts 11-2 in a bolted mode, the internal mold fixing frame 3 is provided with a screwed hole position fixed with the internal mold 2, and a supporting rod 15 is welded in the internal mold fixing frame 3 to ensure the stability of the internal mold in the concrete pouring process.
The support rod 15 is divided into a main rod 16 and a branch rod 17; the main rod 16 horizontally stretches along the axis, and a rotating bearing 18 is arranged at the joint of the support rod 17 and can rotate around the rotating bearing; the limited displacement of the main rod 16 and the branch rod 17 can ensure that the inner mold can realize certain sliding in the sliding groove of the base.
The inner die and the fixing frame do not need to be assembled and disassembled after being assembled once, and when the pipe joint product is prefabricated, the outer die is assembled and disassembled only through the adjusting pulley block, the pull rod screw and the bolt.
The installation process of the pipe joint on-site prefabricating device is as follows:
firstly, assembling the bottom die 6 and the bottom die frame assembly 7 on a horizontal ground, measuring the levelness of the base, and connecting and fixing the base and the ground through the base positioning hole 12 and the ground embedded screw.
The inner die fixing frame 3 is fixed by screws through positioning holes on the longitudinal and transverse tie steel plates 13 of the inner frame of the base, and dislocation or hole leakage cannot occur; the inner mold fixing frame 3 is formed by bolting and assembling a steel frame 14 through bolts 11-2, the inner mold fixing frame 3 is provided with a screw hole site fixed with the inner mold 2, and the inner mold fixing frame 3 is welded with a support rod 15 to ensure the stability of the inner mold 2 in the concrete pouring process; the supporting rod is divided into a main rod 16 and a supporting rod 17; the main rod 16 can horizontally stretch along the axis, and the rotating bearing 18 is arranged at the joint of the branch rod 17, so that the branch rod 17 has certain rotating capacity; the limited displacement of the main rod 16 and the branch rod 17 can ensure that the inner mold 2 can realize certain sliding in the base sliding groove 8.
Inserting the inner mold 2 into a positioning seat on the base 1 through an inner mold lower lug plate 19 to position the inner mold, and connecting and fixing the inner mold 2 and an inner mold fixing frame 3 through bolts 11-3; hoisting the pipe joint steel lantern ring and the steel reinforcement cage, and positioning the embedded part.
The outer die 3 is inserted into a conical pin seat 21 on the base through an outer die lower lug plate 20 for positioning, and the four corners are tightened and positioned through screws 22.
According to the prefabrication construction requirement, the distance between the outer die 3 and the inner die 2 is adjusted through the pulley block 23 at the bottoms of the inner die 2 and the outer die, the inner die 2 and the outer die 3 are connected through the pull rod screw 24 at the top of the fixing frame, and the thickness size of the component is adjusted.
The concrete is hung the hanging hopper to tube coupling prefabrication device top by the crane, opens the sluice gate, goes into the mould pouring, makes the concrete evenly to the interior landing all around of mould, vibrates closely knit, tube coupling steam curing.
When demoulding, the inner and outer mould joint is opened to separate the inner and outer moulds from the pipe joint, the inner and outer mould pulley blocks move the inner and outer mould plates to safe positions, and finally the pipe joint is lifted away by a special lifting appliance.
The utility model provides a thought and a method of an on-site prefabricating device for a rectangular push pipe joint with an oversized section, and a method and a way for realizing the technical scheme are numerous, the above description is only a preferred embodiment of the utility model, and it should be noted that for a person skilled in the art, on the premise of not departing from the principle of the utility model, a plurality of improvements and decorations can be made, and the improvements and decorations are also regarded as the protection scope of the utility model. All the components not specified in the present embodiment can be realized by the prior art.
Claims (6)
1. An on-site prefabricating device for a rectangular pipe jacking pipe joint with an oversized section is characterized by consisting of a complete set of combined steel templates and comprising a base, an internal mold fixing frame, an external mold and a socket body; the base consists of a bottom die and a bottom die frame assembly; the outer die comprises a long outer die and a short outer die, the two outer dies are arc-shaped at two ends, and the long outer die and the short outer die are bolted into a whole through bolts; the socket body is welded on one side of the upper part of the outer die close to the inner die and used for forming the F-shaped socket of the pipe joint; the inner mold fixing frame, the inner mold, the bottom mold and the outer mold are sequentially arranged from inside to outside; the outer die, the bottom die, the inner die and the inner die fixing frame are arranged on the bottom die frame assembly.
2. The on-site prefabricating device for the ultra-large section rectangular pipe jacking pipe joint as claimed in claim 1, wherein the base is provided with positioning holes, and the base is fixedly connected with the ground through ground embedded screws; a sliding chute is arranged at the joint of the base and the inner mold and the outer mold and is used for adjusting the distance between the outer mold and the inner mold according to the prefabrication construction requirement; the inner frame of the base is provided with positioning holes in the longitudinal and transverse drawknot steel plates for fixing screws of the inner die fixing frame.
3. The on-site prefabricating device for the ultra-large section rectangular pipe jacking pipe joint as recited in claim 1, wherein the inner die and the outer die are provided with lower ear plates for positioning with the base, and four corners are tightened and positioned by screws.
4. The on-site prefabricating device for the ultra-large section rectangular pipe jacking pipe joint as recited in claim 1, wherein the inner die and the outer die are connected through a pull rod screw at the top of the inner die fixing frame; pulley blocks are arranged at the lower parts of the inner mold and the outer mold; the distance between the outer die and the inner die is adjusted through pulley blocks at the bottoms of the inner die and the outer die, and the inner die and the outer die are connected through a pull rod screw at the top of a fixing frame and used for adjusting the thickness of a component.
5. The on-site prefabricating device for the oversized-section rectangular pipe jacking pipe joint according to claim 1, wherein the inner die fixing frame is formed by splicing a steel frame through bolt bolting, the inner die fixing frame is provided with a bolt hole position fixed with the inner die, and a support rod is welded in the inner die fixing frame to ensure the stability of the inner die in a concrete pouring process.
6. The on-site prefabricating device for the ultra-large section rectangular pipe jacking pipe joint as claimed in claim 5, wherein the supporting rod is divided into a main rod and a supporting rod; the mobile jib is flexible along the axis level, and the branch junction is equipped with rolling bearing, can rotate around rolling bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121482213.4U CN215618934U (en) | 2021-07-01 | 2021-07-01 | On-spot prefabricating device of super large section rectangle push pipe tube coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121482213.4U CN215618934U (en) | 2021-07-01 | 2021-07-01 | On-spot prefabricating device of super large section rectangle push pipe tube coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215618934U true CN215618934U (en) | 2022-01-25 |
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ID=79947189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121482213.4U Active CN215618934U (en) | 2021-07-01 | 2021-07-01 | On-spot prefabricating device of super large section rectangle push pipe tube coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215618934U (en) |
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2021
- 2021-07-01 CN CN202121482213.4U patent/CN215618934U/en active Active
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