CN116277408A

CN116277408A - Threaded connecting piece capable of sliding wires between duct piece mold and embedded sleeve and mounting method of threaded connecting piece

Info

Publication number: CN116277408A
Application number: CN202310545996.3A
Authority: CN
Inventors: 姚国伟; 张艳平; 董仁玉; 李波; 尹文; 龚湛林
Original assignee: Dongguan Rail Transit Co ltd; Guangdong Sunlite Science & Technology Co ltd
Current assignee: Dongguan Rail Transit Co ltd; Guangdong Sunlite Science & Technology Co ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-06-23

Abstract

The invention discloses a threaded connecting piece and an installation method of a slidable wire between a duct piece die and an embedded sleeve, wherein the threaded connecting piece comprises the duct piece die, the embedded sleeve and a connecting piece for connecting the duct piece die and the embedded sleeve, the embedded sleeve comprises an end part and a sleeve arranged on the end part, a reinforcing part is arranged at the joint of the end part and the sleeve, a disassembling part for screwing/loosening a tool is arranged on the end part, an internal threaded hole is arranged on the sleeve, and an internal threaded hole is arranged on the duct piece die; the connecting piece used by the invention is provided with the external threads at both ends, so that the pipe piece mold, the embedded sleeve and the connecting piece are connected and fixed together in a threaded mode, the effect of quick installation is realized, the connecting and fixing in a violent beating mode is avoided, the installation quality and the installation precision are effectively ensured, the damage to the pipe piece mold or the embedded sleeve is avoided, the connecting piece is also provided with the isolation part, the threaded holes of the embedded sleeve and the pipe piece mold can be effectively protected, and the poured concrete is prevented from leaking into the holes to influence the subsequent assembly.

Description

Threaded connecting piece capable of sliding wires between duct piece mold and embedded sleeve and mounting method of threaded connecting piece

Technical Field

The invention relates to the technical field of shield tunnel construction, in particular to a threaded connector with slidable wires between a segment mold and an embedded sleeve and an installation method thereof.

Background

Along with continuous prosperity and innovation of urban economy, traffic facilities in the city are also continuously perfected, and along with increasing traffic flow on roads, traffic jam on the roads is formed, and traffic travel is seriously influenced, so that urban planning is continuously developing public traffic routes, subways or underground pedestrian corridors below the ground are also continuously displayed, and traffic pressure on the ground is relieved.

At the construction initial stage of subway or humanoid corridor, need to carry out the open circuit through the shield constructs the machine to lay the section of jurisdiction mould that is accomplished by concrete filling rapidly in the tunnel, play and bear the effect of soil pressure, avoid collapsing in the tunnel, influence the progress of construction.

At present, a pipe piece mold on the market is provided with a fixing piece on the mold in advance before pouring, an embedded sleeve is installed on the fixing piece to be stable, then the pipe piece mold is made through filling concrete, and after the pipe piece mold is formed, the outer mold and the fixing piece are removed to obtain the pipe piece mold which is used for being installed in a tunnel.

But pre-buried sleeve on the market at present is when placing, and very inconvenient, needs to be in the same place with the three connection through violent mounting means, can produce the cutting of clout between pre-buried sleeve and the connecting piece at the in-process of beating installation for pre-buried sleeve installs in place, and causes the fracture and block in the section of jurisdiction mould to the connecting piece at the installation easily, needs the workman to knock out cracked connecting piece through other instruments, and at this in-process easily causes the damage to the section of jurisdiction mould, can influence subsequent equipment, reduces the efficiency of processing equipment.

Therefore, a new technical solution is needed to solve the above problems.

Disclosure of Invention

In view of the above, the present invention aims at overcoming the drawbacks of the prior art, and its primary object is to provide a threaded connection piece with slidable threads between a segment mold and a pre-buried sleeve, and a method for installing the same.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a but section of jurisdiction mould and pre-buried sleeve inter-sliding thread's threaded connection spare, includes section of jurisdiction mould, pre-buried sleeve and is used for connecting the connecting piece of two, pre-buried sleeve is including tip and the sleeve pipe of setting on the tip, tip and sheathed tube junction are equipped with the reinforcing part, be equipped with the dismouting portion that is used for supplying the instrument to screw up/loosen on the tip, be equipped with the internal thread hole on the sleeve pipe;

an internal threaded hole is formed in the duct piece mold;

the connecting piece comprises a front end part, an isolation part and a rear end part, wherein the isolation part is arranged between the front end part and the rear end part, external threads are arranged on the outer surfaces of the front end part and the rear end part, an installation groove extending towards the rear end part is formed in the front end surface from the top surface, and the connecting piece is in threaded connection with the pipe piece die and the internal threaded holes of the embedded sleeve through the external threads.

As a preferable scheme, the sleeve is provided with first limiting surfaces, the first limiting surfaces are respectively arranged at two side ends of the top of the sleeve, and the first limiting surfaces extend downwards from the upper end face of the sleeve.

As a preferable scheme, the dismounting part is provided with a concave groove which is arranged downwards, and the shape structure of the concave groove is provided with a hexagonal, straight-line or cross-shaped concave groove structure.

As a preferable scheme, the dismounting portion is provided with an upward protruding strip, and the shape structure of the protruding strip is provided with a hexagonal, straight or cross protruding structure.

As a preferable scheme, the end part is also provided with a second limiting surface, and the second limiting surface is arranged at the side edge of the end part.

As a preferred solution, the second limiting surface of the end portion and the first limiting surface of the sleeve are arranged in the same axial extending direction.

As a preferable scheme, the second limiting surface of the end part and the first limiting surface of the sleeve are arranged in different axial extending directions to form an up-down staggered arrangement.

As a preferable scheme, the shape of mounting groove sets up into hexagon, cross or the cell body shape of style of calligraphy, one side terminal surface of isolated part is provided with the chamfer that extends from inside to outside, and the isolated part that has the chamfer sets up in the tip be used for in the one side with pre-buried sleeve's terminal surface is inconsistent, the rear of isolated part is used for inconsistent with the top face of section of jurisdiction mould.

As a preferable mode, the connecting piece is integrally made of plastic materials, the diameter of the front end portion is smaller than or equal to that of the rear end portion, and the lengths of the front end portion and the rear end portion are the same.

The installing method of the sliding wire threaded connecting piece between the duct piece die and the embedded sleeve comprises the following specific installing steps:

s1: firstly, the rear end part of a connecting piece with external threads is assembled and screwed on an embedded sleeve in a preliminary way, so that the connecting piece and the embedded sleeve are connected together through threads, and one surface with a chamfer is abutted against the end surface of the embedded sleeve;

s2: the electric tool is inserted into the mounting groove on the connecting piece, and the connecting piece and the embedded sleeve are connected and fixed together by adopting proper rotation speed and torque;

s3: placing the embedded sleeve with the connecting piece in a duct piece die, enabling the front end part of the connecting piece to be in primary threaded connection with a bottom plate of the duct piece die, screwing and installing the embedded sleeve by extending an electric tool to a dismounting part on the embedded sleeve, and connecting and fastening the embedded sleeve and the bottom plate together by adopting proper torque;

s4: placing a reinforcing mesh into the forming die for reinforcing the formed duct piece;

s5: pouring concrete into the forming mold to uniformly spread the concrete on the forming mold;

s6: after the concrete is cured and solidified, the formed duct piece is separated by the hoisting equipment, and the external thread at the front end part of the connecting piece is separated from the internal thread of the duct piece die by sliding threads, so that the internal thread of the duct piece die is not damaged; thereby completing the demoulding of the duct piece;

s7: when the embedded sleeve is used, the connecting piece connected to the upper part is required to be detached through the knob, so that the fixed installation of the external channel steel in the later stage is facilitated.

Compared with the prior art, the invention has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:

the connecting piece used by the invention is provided with the external threads at both ends, so that the pipe piece mold, the embedded sleeve and the connecting piece are connected and fixed together in a threaded mode, a rapid and unified installation effect is realized, the connecting and fixing in a violent beating mode is avoided, the installation quality and the installation precision are effectively ensured, the damage to the pipe piece mold or the embedded sleeve is avoided, the connecting piece is also provided with the isolation part, the embedded sleeve and the threaded hole of the pipe piece mold can be effectively protected, and the poured concrete is prevented from leaking into the hole to influence the subsequent assembly.

According to the invention, the mounting grooves or the dismounting parts for the electric tool to extend into are formed in the tops of the connecting piece and the embedded sleeve, so that the quick dismounting effect of the electric tool is realized, the mounting efficiency is improved, and compared with the traditional violent beating assembly, the electric tool has better safety and connection strength, and the situation that the connecting piece is broken and clamped inside is avoided.

The connecting piece adopts plastics to make, forms the screw thread flexible coupling between the preceding tip of connecting piece and the section of jurisdiction mould, but when the section of jurisdiction drawing of patterns, smooth silk drawing of patterns between connecting piece and the section of jurisdiction mould that the plastic was made to can not harm the internal thread of section of jurisdiction mould, make the screw hole of section of jurisdiction mould bottom plate can reuse, reduce wearing and tearing consumption.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic exploded view of the present invention.

FIG. 3 is a schematic view of the overall structure of the connector of the present invention.

FIG. 4 is a schematic view of another view of the connector of the present invention.

FIG. 5 is a schematic diagram of the connector of the present invention in full section.

Fig. 6 is a schematic diagram of the overall structure of the embedded sleeve of the present invention.

FIG. 7 is a schematic view of another view of the sleeve of the present invention.

FIG. 8 is a schematic view of a second construction of the mounting and dismounting portion of the embedded sleeve of the present invention.

FIG. 9 is a schematic view of a third construction of the mounting/dismounting portion of the embedded sleeve of the present invention.

FIG. 10 is a schematic view of the whole structure of another embodiment of the embedded sleeve of the present invention.

FIG. 11 is a schematic view of another view of the sleeve of FIG. 10 according to the present invention.

FIG. 12 is a schematic view of a second construction of the mounting and dismounting portion of the embedment sleeve of FIG. 10 according to the present invention.

FIG. 13 is a schematic view of a third construction of the mounting and dismounting portion of the embedment sleeve of FIG. 10 according to the present invention.

Wherein, each reference sign in the figure:

100. segment mold; 200. embedding a sleeve; 210. an end portion; 211. the second limiting surface; 220. a sleeve; 221. a first limiting surface; 230. a reinforcing part; 240. a mounting/dismounting portion; 300. a connecting piece; 310. a front end portion; 320. an isolation part; 321. chamfering; 330. a rear end portion; 340. an external thread; 350. a mounting groove; 400. an internal threaded hole.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.

Referring to fig. 1-9, example 1: the utility model provides a but section of jurisdiction mould and pre-buried sleeve inter-sliding wire's threaded connection spare, including section of jurisdiction mould 100, pre-buried sleeve 200 and be used for connecting the connecting piece 300 of two, wherein, pre-buried sleeve 200 is including tip 210 and sleeve pipe 220 of setting on tip 210, and be equipped with reinforcing part 230 in the junction of tip 210 and sleeve pipe 220, further connect together with both through reinforcing part 230, improve joint strength, and reinforcing part 230 still has arc chamfer with sleeve pipe 220 contact, can make the overall connectivity of pre-buried sleeve 200 better and more pleasing to the eye, still be equipped with the dismouting portion 240 that is used for supplying the instrument to screw up/loosen on tip 210, assemble it fast through dismouting portion 240, improve packaging efficiency, and be equipped with downwardly extending's internal thread hole 400 in the inner of sleeve pipe 220 top.

In this embodiment, an internal threaded hole 400 is also provided in the segment mold 100 for mating connection with the connector 300.

In this embodiment, the connector 300 includes a front end 310, an isolation part 320 and a rear end 330, where the isolation part 320 is disposed between the front end 310 and the rear end 330, and external threads 340 are disposed on the outer surfaces of the front end 310 and the rear end 330, and the diameters of the front end 310 are smaller than the diameter of the rear end 330, so as to achieve different diameters, so as to be quickly installed in a correct hole site, and the lengths of the front end 310 and the rear end 330 are set to be the same distance, so that the forces applied to the two ends of the connector 300 are equal, and an installation groove 350 extending toward the rear end 330 is disposed above the front end surface and from the top surface, so that the electric tool is fixed thereto and screwed, so that the connector 300 can be screwed with the internal threaded holes 400 of the mold 100 and the pre-buried sleeve 200 through the external threads 340, so as to achieve the effect of quick assembly.

In practical use, there is provided a connector 300 of a different concept, in which the front end portion 310 and the rear end portion 330 of the connector 300 have the same diameter, but the external thread 340 provided on the front end portion 310 has a radial length smaller than that of the external thread 340 provided on the rear end portion 330, so that the front end portion 310 receives a smaller force than that received by the rear end portion 330, and is convenient to slide out from the internal thread hole 400 of the segment mold 100.

In actual use, the first limiting surfaces 221 are arranged on the sleeve 220, and the first limiting surfaces 221 are respectively arranged at two side ends of the top of the sleeve 220, so that the first limiting surfaces 221 extend downwards from the upper end surface of the sleeve 220, the contact area between the sleeve 220 and concrete is increased, the anti-rotation contact surface between the sleeve 220 and the concrete is increased, and the problem that the sleeve 220 is loosened when the connecting piece 300 is detached to influence the subsequent assembly and use is avoided.

In this embodiment, the dismounting portion 240 is configured as a concave groove, and the shape structure of the concave groove is configured as a hexagonal, a straight or a cross-shaped groove structure, so that the electric tool can be adapted to the electric tool currently in the market, and has adaptability.

In another scheme, the disassembly and assembly part 240 can be set to be an upward protruding strip, and the shape structure of the protruding strip is set to be a hexagonal, a straight or a cross protruding structure, so that the sleeve of the electric tool commonly used in the market at present can be adapted, a new sleeve tool is not required to be purchased, and the practicability of the product is improved.

In this embodiment, the second limiting surface 211 is further disposed on the end 210, and the second limiting surface 211 is disposed on the side edge of the end 210, and the second limiting surfaces 211 are disposed on two side ends of the end 210, so that gaps are formed on two sides of the end 210, the contact area between the two sides of the end 210 and concrete is increased, the friction effect is improved, and the loosening and dropping situations are prevented.

In this embodiment, the second limiting surface 211 of the end 210 and the first limiting surface 221 of the sleeve 220 are disposed in the same axial extending direction, so that the embedded sleeve 200 has a larger contact area, and the loosening is avoided during use, so as not to affect the subsequent use.

In practical use, the mounting groove 350 is shaped like a hexagon, a cross or a linear groove body, so as to be convenient for adapting to the electric tool on the market at present, improve the applicability of the product, and further, a chamfer 321 extending from inside to outside is arranged on one side end surface of the isolation part 320, the isolation part 320 with the chamfer 321 is arranged at the rear end 330 and is used for abutting against the end surface of the duct piece mold 100, and the rear of the isolation part 320 is used for abutting against the top end surface of the pre-buried sleeve 200, so that the poured concrete can be effectively prevented from flowing into the holes of the pre-buried sleeve 200 or the duct piece mold 100 by the isolation part 320, and the situation that the concrete is accumulated in the internal threaded hole 400, so that the assembly cannot be completed, and the assembly efficiency is affected is avoided; and the connector 300 is pulled away without damaging the internally threaded hole 400 of the pipe die 100.

Referring to FIGS. 1-5 and 10-13, example 2: the utility model provides a but section of jurisdiction mould and pre-buried sleeve inter-sliding wire's threaded connection spare, including section of jurisdiction mould 100, pre-buried sleeve 200 and be used for connecting the connecting piece 300 of two, wherein, pre-buried sleeve 200 is including tip 210 and sleeve pipe 220 of setting on tip 210, and be equipped with reinforcing part 230 in the junction of tip 210 and sleeve pipe 220, further connect together with both through reinforcing part 230, improve joint strength, and reinforcing part 230 still has arc chamfer with sleeve pipe 220 contact, can make the overall connectivity of pre-buried sleeve 200 better and more pleasing to the eye, still be equipped with the dismouting portion 240 that is used for supplying the instrument to screw up/loosen on tip 210, assemble it fast through dismouting portion 240, improve packaging efficiency, and be equipped with downwardly extending's internal thread hole 400 in the inner of sleeve pipe 220 top.

In this embodiment, the second limiting surface 211 of the end 210 and the first limiting surface 221 of the sleeve 220 are disposed in different axial extending directions to form an up-down staggered arrangement, so that the two directions have larger contact areas, a good stabilizing effect is achieved, and the loose and falling-off condition is avoided.

The installing method of the threaded connection 300 for the duct piece mold 100 and the embedded sleeve 200 comprises the following specific installing steps:

The foregoing description of the preferred embodiments of the present invention has been provided for the purpose of illustrating the general principles of the present invention and is not to be construed as limiting the scope of the invention in any way. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention, and other embodiments of the present invention as will occur to those skilled in the art without the exercise of inventive faculty, are intended to be included within the scope of the present invention.

Claims

1. A but threaded connection spare of smooth silk between section of jurisdiction mould and pre-buried sleeve, its characterized in that: the pipe piece mold comprises a pipe piece mold, an embedded sleeve and a connecting piece for connecting the pipe piece mold and the embedded sleeve, wherein the embedded sleeve comprises an end part and a sleeve arranged on the end part, a reinforcing part is arranged at the joint of the end part and the sleeve, a disassembling and assembling part for tightening/loosening a tool is arranged on the end part, and an internal threaded hole is arranged on the sleeve;

an internal threaded hole is formed in the duct piece mold;

2. The threaded connection of slidable wires between a segment mold and a pre-buried sleeve according to claim 1, wherein: the sleeve is provided with a first limiting surface, the first limiting surfaces are respectively arranged at two side ends of the top of the sleeve, and the first limiting surfaces extend downwards from the upper end face of the sleeve.

3. The threaded connection of slidable wires between a segment mold and a pre-buried sleeve according to claim 1, wherein: the disassembly and assembly part is provided with a concave groove which is arranged downwards, and the shape structure of the concave groove is a hexagonal, straight-line or cross-shaped groove structure.

4. The threaded connection of slidable wires between a segment mold and a pre-buried sleeve according to claim 1, wherein: the disassembly and assembly part is provided with raised ribs which are raised upwards, and the shape structure of the raised ribs is a hexagonal, straight-line or cross-shaped raised structure.

5. The threaded connection of slidable wires between a segment mold and a pre-buried sleeve according to claim 2, wherein: the end part is also provided with a second limiting surface, and the second limiting surface is arranged at the side edge of the end part.

6. The threaded connection of slidable wires between a segment mold and a pre-buried sleeve of claim 5, wherein: the second limiting surface of the end part and the first limiting surface of the sleeve are arranged in the same axial extending direction.

7. The threaded connection of slidable wires between a segment mold and a pre-buried sleeve of claim 5, wherein: the second limiting surface of the end part and the first limiting surface of the sleeve are arranged in different axial extending directions to form an up-down staggered arrangement.

8. The threaded connection of slidable wires between a segment mold and a pre-buried sleeve according to claim 1, wherein: the shape of mounting groove sets to hexagon, cross or the cell body shape of in-line, one side terminal surface of isolated part is provided with from inside to outside chamfer that extends, and the isolated part that has the chamfer sets up in the tip be used for in the past with pre-buried sleeve's terminal surface is inconsistent, the rear of isolated part is used for inconsistent with the top face of section of jurisdiction mould.

9. The threaded connection of slidable wires between a segment mold and a pre-buried sleeve according to claim 1, wherein: the connecting piece is integrally made of plastic materials, the diameter of the front end part is smaller than or equal to that of the rear end part, and the lengths of the front end part and the rear end part are the same.

10. A method for installing a threaded connecting piece with slidable wires between a duct piece die and an embedded sleeve is characterized by comprising the following steps: a threaded connection comprising a slidable thread between a segment mold and a pre-buried sleeve according to any one of claims 1-9, comprising the following steps: