CN212359757U - Pre-buried grout pipe pop-up device of inclined shaft slipform - Google Patents

Pre-buried grout pipe pop-up device of inclined shaft slipform Download PDF

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CN212359757U
CN212359757U CN202021043149.5U CN202021043149U CN212359757U CN 212359757 U CN212359757 U CN 212359757U CN 202021043149 U CN202021043149 U CN 202021043149U CN 212359757 U CN212359757 U CN 212359757U
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pipe
guide
embedded
buried
plug
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CN202021043149.5U
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蒋洪亮
马琪琪
王贺
孟庆强
张春丽
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Sinohydro Bureau 6 Co Ltd
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Sinohydro Bureau 6 Co Ltd
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Abstract

The utility model provides a pre-buried grout pipe of inclined shaft slipform pops out device, include: the guide tube, spring, thimble, guide block, end cap and pre-buried pipe. The device that this application provided, install to the assigned position before slip form concrete construction, the one end of pre-buried pipe pushes up to the rock on, the other end pushes up to the slip form template on, the thimble contracts to in the stand pipe under slip form template pressure, the spring compression, treat concrete construction slip form slip-lift back, the spring pops out the thimble to the concrete face, the top takes out stand pipe etc. from the pre-buried pipe, the pre-buried pipe is stayed in the concrete, form the grout hole promptly on concrete lining structural plane. The application provides a pop-up device, can be accurate find pre-buried grout hole, improve the efficiency of construction, avoided breaking reinforcing bar, repeated drilling, appearing more dead hole, influence grouting quality and lining concrete quality's the condition at drilling process, the device simple manufacture simultaneously, cost of manufacture is low, the installation is convenient, convenient to use.

Description

Pre-buried grout pipe pop-up device of inclined shaft slipform
Technical Field
The utility model relates to an inclined shaft, shaft slipform construction technical field especially relate to a pre-buried grout pipe of inclined shaft slipform pops out device.
Background
The slip form is formed by a slowly moving structure of a template, is generally a fixed-size shaping template and is pulled by a traction device. The slip form engineering technology is a construction technology which has high mechanization degree, high construction speed, small occupied site, strong structural integrity, good earthquake resistance, guaranteed safe operation and obvious comprehensive environmental and economic benefits in the cast-in-place concrete structural engineering construction in China, and is generally called slip form for short.
The slip form not only comprises common or special tool type templates, but also comprises power slip lifting equipment, a matched construction process and other comprehensive technologies, mainly uses hydraulic jacks as slip lifting power, and under the synchronous action of a group of jacks, a tool type template or a slip frame with the height of more than 1 m is driven to slide along the surface of the concrete or the template which is just formed, the concrete is poured into a sleeve groove from the upper opening of the template in a layered mode, after the concrete at the lowest layer in the template reaches a certain strength, the sleeve groove of the template slides along the surface of the poured concrete or the slip frame slides along the outer surface of the template by means of the action of a lifting tool, and the operation is continuously circulated until the designed height is reached, so that the whole construction is completed. The slip form construction technology is used as a high-efficiency rapid mechanical construction mode of a modern (reinforced) concrete engineering structure, and is widely applied to various industries of civil and architectural engineering.
In drilling engineering, slip-form construction is usually required, grouting pipes are usually embedded during slip-form construction of inclined shafts and vertical shafts, and grouting is carried out by utilizing embedded grouting holes in the later stage. However, the grouting pipes pre-embedded during the construction of inclined shafts and shaft sliding forms are difficult to find the pre-embedded grouting holes at the later stage, so that holes need to be drilled on the surface of lining concrete, and reinforcing steel bars cannot be avoided during drilling, so that the reinforcing steel bars in the lining concrete are frequently broken in the drilling process, holes are wasted, the drilling of the grouting holes needs to be carried out again, the labor and the time are consumed, and the construction efficiency and the progress are greatly influenced; meanwhile, more waste holes are formed at the periphery, so that phenomena of slurry stringing, slurry bleeding and the like are easy to occur in grouting construction, the grouting quality is influenced, the concrete lining quality is also influenced, and the construction cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pre-buried grout pipe of inclined shaft slipform pops out device to solve the problem of prior art inefficiency with high costs.
The utility model provides a pre-buried grout pipe of inclined shaft slipform pops out device, include: the device comprises a guide pipe, a spring, a thimble, a guide block, a plug and a pre-buried pipe;
the guide pipe is positioned in the embedded pipe, one end of the guide pipe is plugged, the other end of the guide pipe is tightly matched with the plug, and one end of the embedded pipe is sleeved outside the plug;
the spring is located in the guide pipe, a guide block is fixed to one end of the ejector pin, the guide block is located in the guide pipe, one end of the spring is in tight fit with the guide block, and the other end of the ejector pin penetrates through the plug and is located outside the embedded pipe.
Preferably, the thimble includes fixed connection's ejecting portion and connecting portion, the external diameter of connecting portion is less than the external diameter of ejecting portion, the guide block cup joints the outside of connecting portion, the free end of connecting portion sets up the external screw thread, the guide block is fixed in through the nut on the connecting portion.
Preferably, the nut is an M10 nut.
Preferably, the guide block is in a convex structure.
Preferably, the plug is in a three-step shape, the minimum outer diameter of the plug is located in the guide pipe and is tightly matched with the guide pipe, the maximum outer diameter of the plug is larger than the outer diameter of the embedded pipe, and the middle outer diameter of the plug is sleeved in the embedded pipe.
Preferably, the guide pipe is a welded steel pipe.
Preferably, the embedded pipe is a PVC pipe with the inner diameter of 50 mm.
Preferably, the thimble and the guide block are made of steel.
The embodiment of the utility model provides a technical scheme can include following beneficial effect:
the utility model provides a pre-buried grout pipe of inclined shaft slipform pops out device, include: the guide tube, spring, thimble, guide block, end cap and pre-buried pipe. The device provided by the application is installed to a specified position before slip form concrete construction, one end of a pre-buried pipe is propped against a rock and fixed with a lining reinforcing steel bar, the other end of the pre-buried pipe is propped against a slip form template, an ejector pin is contracted into a guide pipe under the pressure of the slip form template, a spring is compressed, after the slip form of the concrete construction is lifted in a sliding mode, the spring rebounds without bearing the pressure, the ejector pin is ejected to the concrete surface and is connected with the spring through a guide block, the spring moves outwards along with the ejector pin when the ejector pin is pulled outwards, one end of an opening of the guide pipe is connected with a plug, the plug is stopped when the ejector pin is pulled outwards and is driven to move outwards, the plug is movably sleeved with the pre-buried pipe, so that the guide pipe is pulled out of the pre-buried pipe, and the guide pipe and the like can be taken out of the pre-buried pipe after the ejector pin is ejected, the pre-buried pipe is left, the outside of the guide pipe is sleeved with the embedded pipe again, and the device can be installed repeatedly along with the lifting of the sliding mould. Utilize the utility model provides a pop-up device can be accurate find pre-buried grout hole, improves the efficiency of construction, has avoided breaking reinforcing bar, repeated drilling, appearing more dead hole, influencing the grout quality and lining the condition such as concrete quality at drilling process, the device simple manufacture, cost of manufacture are low, simple to operate, convenient to use simultaneously.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is the embodiment of the utility model provides a pre-buried grout pipe pop-up device of inclined shaft slipform's structural schematic diagram.
Fig. 2 is the embodiment of the utility model provides an inclined shaft slipform pre-buried grout pipe pop-up device's installation state structure sketch map.
Fig. 3 is a schematic structural diagram of an ejector pin of the device for popping out a pre-buried grout pipe of a sliding form of a slant well shaft provided by the embodiment of the utility model.
Fig. 4 is a schematic structural diagram of a guide block of the device for popping out a pre-buried grout pipe of a sliding form of a slant shaft according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of an end cap of the device for popping out a pre-buried grout pipe of a sliding form of a slant shaft according to an embodiment of the present invention.
Shown in the figure:
the device comprises a guide pipe 1, a spring 2, a thimble 3, a push-out part 31, a connecting part 32, a nut 4, a guide block 5, a plug 6 and a pre-buried pipe 7.
Detailed Description
In order to make the technical solutions in the present invention better understood, the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a schematic structural diagram of a slant-shaft sliding-form embedded grouting pipe ejecting device and a schematic structural diagram of an installation state provided by the embodiment of the application are respectively shown. As can be seen from fig. 1 and 2, the inclined shaft sliding mode pre-embedded grouting pipe ejecting device provided by the embodiment of the application comprises a guide pipe 1, a spring 2, a thimble 3, a guide block 5, a plug 6 and a pre-embedded pipe 7;
the guide pipe 1 is positioned in the embedded pipe 7, one end of the guide pipe 1 is plugged, the other end of the guide pipe 1 is tightly matched with the plug 6, and one end of the embedded pipe 7 is sleeved outside the plug 6;
the spring 2 is located in the guide pipe 1, one end of the ejector pin 3 is fixed with a guide block 5, the guide block 5 is located in the guide pipe 1, one end of the spring 2 is in tight fit with the guide block 5, and the other end of the ejector pin 3 penetrates through the plug 6 and is located outside the embedded pipe 7.
Specifically, as shown in fig. 3, the thimble 3 includes an ejecting portion 31 and a connecting portion 32 that are fixedly connected, an outer diameter of the connecting portion 32 is smaller than an outer diameter of the ejecting portion 31, the guide block 5 is sleeved outside the connecting portion 32, a free end of the connecting portion 32 is provided with an external thread, and the guide block 5 is fixed to the connecting portion 32 through a nut 4. Thimble 3 passes through nut 4 with guide block 5 and realizes dismantling the connection to can change alone when thimble 3 or guide block 5 damage, and can dismantle connected mode makes the device that this application provided be convenient for deposit and transport etc..
In the embodiment of the present application, the thimble 3 is fixedly connected to the wire block 5 through the nut 4, the guide block 5 is sleeved on the connecting portion 32, the outer diameter of the nut 4 is necessarily greater than the inner diameter of the guide block 5, and the outer diameter of the ejection portion 31 is necessarily greater than the inner diameter of the guide block 5. In the embodiment of the present application, as shown in fig. 4, the guide block 5 is in a "convex" structure, and the nut 4 is an M10 nut. Therefore, the inner diameter of the guide block 5 with the convex structure is 10mm, the smaller outer diameter is 20.5mm, the larger outer diameter is 26mm, and the whole thickness is 10 mm.
Further, in order to avoid the activity of end cap 6 in buried pipe 7 and drive thimble 3 activity to buried pipe 7 in, this application embodiment will end cap 6 sets up to the third order step, as shown in fig. 5, if establish the minimum external diameter of end cap 6 as first section step, the maximum external diameter establishes to the third order step, the centre establishes to the second order step, then, the first order step is located stand pipe 1, and with stand pipe 1 tight fit, the second order step is located buried pipe 7 in advance, cup joint with buried pipe 7 activity, the third order step is located the outside of buried pipe 7 in advance, as shown in fig. 1 and fig. 2, the external diameter of third order step is greater than the internal diameter of buried pipe 7 in advance, make the third order step block outside buried pipe 7 in advance, avoided guide pipe 6 to slide in buried pipe 7 in advance and influence the condition that the thimble used.
Specifically, in the embodiment of the present application, the guide pipe 1 is a welded steel pipe. The embedded pipe 7 adopts a PVC pipe with the inner diameter of 50 mm. The thimble 3 and the guide block 5 are made of steel, so that the structural strength is improved.
In the practical use process of the inclined shaft sliding mode pre-buried grouting pipe ejecting device provided by the embodiment of the application, before sliding mode concrete construction, the inclined shaft sliding mode pre-buried grouting pipe ejecting device is installed to a specified position, one end of a pre-buried pipe 7 is ejected to a rock, a thin iron wire is bound and fixed with a lining reinforcing steel bar, the other end (one end of a plug 6) is ejected to a sliding mode template, an ejector pin 3 is retracted into a guide pipe 1 under the pressure of the sliding mode template, a spring 2 is compressed, after the concrete construction sliding mode slides up, the sliding mode template leaves from the ejector pin 3, the spring 2 rebounds without bearing the pressure, under the elastic force of the spring 2, the ejector pin 3 is ejected to the concrete surface, the ejector pin 3 is connected with the spring 2 through a guide block 5, after the ejector pin 3 is ejected, the spring 2 moves outwards along with the ejector pin 3 when the ejector pin 3 is pulled outwards, one open end of the guide pipe 1 is connected with the plug 6, the plug 6 is stopped when the ejector, the second step of end cap 6 cup joints with embedded pipe 7 is mobilizable, consequently can pull out stand pipe 1 from embedded pipe 7, consequently, after thimble 3 popped out, pulling thimble 3 can take out stand pipe 1 etc. from embedded pipe 7, and embedded pipe 7 stays in the concrete, forms the grout hole promptly on concrete lining structural plane, and the outside of stand pipe 1 is overlapped again and is established embedded pipe 7 and can continue to use, and along with this device of reinstallation of slip form promotion.
Utilize the pop-up device that this application embodiment provided, can be accurate find pre-buried grout hole, improve the efficiency of construction, avoided breaking reinforcing bar, repeated drilling, appearing more dead hole, influencing the grout quality and lining concrete quality circumstances such as quality at drilling in-process, the device simple manufacture simultaneously, cost of manufacture is low, simple to operate, convenient to use.
The present invention is not limited to the precise arrangements described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It is to be understood that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The present invention is not limited to the precise arrangements described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (8)

1. The utility model provides a pre-buried grout pipe pop-up device of inclined shaft slipform which characterized in that includes: the device comprises a guide pipe (1), a spring (2), an ejector pin (3), a guide block (5), a plug (6) and a pre-buried pipe (7);
the guide pipe (1) is positioned in the embedded pipe (7), one end of the guide pipe (1) is plugged, the other end of the guide pipe is tightly matched with the plug (6), and one end of the embedded pipe (7) is sleeved outside the plug (6);
spring (2) are located in stand pipe (1), the one end of thimble (3) is fixed with guide block (5), guide block (5) are located in stand pipe (1), the one end of spring (2) with guide block (5) tight fit, the other end of thimble (3) passes end cap (6) are located buried pipe (7) outside in advance.
2. The inclined shaft sliding form embedded grouting pipe ejection device as claimed in claim 1, wherein the ejector pin (3) comprises an ejection portion (31) and a connecting portion (32) which are fixedly connected, the outer diameter of the connecting portion (32) is smaller than that of the ejection portion (31), the guide block (5) is sleeved outside the connecting portion (32), the free end of the connecting portion (32) is provided with external threads, and the guide block (5) is fixed on the connecting portion (32) through a nut (4).
3. The slant shaft slipform embedded grouting pipe ejection device according to claim 2, wherein the nut (4) is an M10 nut.
4. The slant shaft slipform embedded grouting pipe ejection device according to claim 2, wherein the guide block (5) is of a convex structure.
5. The inclined shaft sliding mode embedded grouting pipe ejection device as claimed in claim 1, wherein the plug (6) is in a three-step shape, the minimum outer diameter of the plug (6) is located in the guide pipe (1) and is tightly matched with the guide pipe (1), the maximum outer diameter of the plug (6) is larger than the outer diameter of the embedded pipe (7), and the middle outer diameter of the plug (6) is sleeved in the embedded pipe (7).
6. The slant shaft slipform embedded grouting pipe ejection device according to claim 1, wherein the guide pipe (1) is a welded steel pipe.
7. The slant shaft slipform embedded grouting pipe ejection device according to claim 1, wherein the embedded pipe (7) is a PVC pipe with an inner diameter of 50 mm.
8. The inclined shaft sliding form embedded grouting pipe ejecting device as claimed in claim 1, wherein the ejector pins (3) and the guide blocks (5) are made of steel.
CN202021043149.5U 2020-06-09 2020-06-09 Pre-buried grout pipe pop-up device of inclined shaft slipform Active CN212359757U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021043149.5U CN212359757U (en) 2020-06-09 2020-06-09 Pre-buried grout pipe pop-up device of inclined shaft slipform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021043149.5U CN212359757U (en) 2020-06-09 2020-06-09 Pre-buried grout pipe pop-up device of inclined shaft slipform

Publications (1)

Publication Number Publication Date
CN212359757U true CN212359757U (en) 2021-01-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021043149.5U Active CN212359757U (en) 2020-06-09 2020-06-09 Pre-buried grout pipe pop-up device of inclined shaft slipform

Country Status (1)

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CN (1) CN212359757U (en)

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