PCCP (prestressed concrete cylinder pipe) butt joint device

Abstract

The utility model discloses a PCCP (prestressed concrete cylinder pipe) butt-joint device which comprises an L-shaped base, two inner side faces of the L-shaped base are respectively provided with two sliding grooves; two sliding grooves are formed in the L-shaped base, the movable lower support is arranged in the two sliding grooves in a sliding mode, the fixed lower support is arranged on the L-shaped base and corresponds to the movable lower support, and the inner side face of the movable lower support and the inner side face of the fixed lower support are both in a semi-arc shape; the inner side face of the movable upper support and the inner side face of the fixed upper support are both in a semi-arc shape, and the movable upper support and the fixed upper support are detachably connected with the movable lower support and the fixed lower support respectively. And the movable upper support and the movable lower support as well as the fixed upper support and the fixed lower support define a complete circle. The PCCP butt joint device can achieve rapid and accurate butt joint of PCCPs and is convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field related to PCCP pipelines, and more specifically, to a PCCP pipeline docking device. Background Art

[0002] PCCP (prestressed concrete cylinder pipe) is a composite structure composed of steel plates, concrete, high-strength steel wire and cement mortar. It has the characteristics of steel and concrete, and has excellent characteristics such as withstanding high internal and external pressures, strong earthquake resistance, quick construction and convenient maintenance. In the construction process of PCCP pipelines, PCCP pipeline docking is an important link. The existing technology mainly achieves docking through manual cooperation. Obviously, this method has low precision, low efficiency and high cost. There are also some docking auxiliary devices in the prior art, such as the utility model patent with application number 202222344959X, but this device is not conducive to the PCCP pipeline passing through the limiting hole, nor is it conducive to the proximity of the pipeline to be docked and the docked pipeline. Therefore, it is necessary to design a technical solution that can overcome the above-mentioned defects. Utility Model Content

[0003] One purpose of the utility model is to provide a PCCP pipe docking device, which can achieve accurate and rapid docking of PCCP pipes and is easy to operate.

[0004] In order to achieve these purposes and other advantages of the utility model, according to one aspect of the utility model, a PCCP pipeline docking device is provided, including: an L-shaped base, whose two inner side surfaces are respectively provided with two slide grooves; a movable lower support and a fixed lower support, the movable lower support is slidably arranged in the two slide grooves, the fixed lower support is arranged on the L-shaped base and corresponding to the movable lower support, the inner side surfaces of the movable lower support and the fixed lower support are both semicircular; a movable upper support and a fixed upper support, the inner side surfaces of the movable upper support and the fixed upper support are both semicircular, the movable upper support and the fixed upper support are respectively detachably connected to the movable lower support and the fixed lower support, and the movable upper support and the movable lower support and the fixed upper support and the fixed lower support form a complete circle.

[0005] Furthermore, the L-shaped base has a vertical plate and a horizontal plate, and the inner sides of the vertical plate and the horizontal plate are respectively provided with two sliding grooves, and the axes of the two sliding grooves are parallel.

[0006] Furthermore, the movable lower support and the fixed lower support are also L-shaped, and two outer side surfaces of the movable lower support are respectively connected to two connecting rods for respectively connecting to rollers arranged in the two sliding grooves.

[0007] Furthermore, a straight hole is provided at the top of the slide groove, the straight hole is for the connecting rod to pass through, and the size of the straight hole is smaller than the roller.

[0008] Furthermore, the movable upper support, the movable lower support, the fixed upper support, and the fixed lower support are provided with fixing holes at positions corresponding to the edges, and detachable connection is achieved by inserting bolts in the fixing holes.

[0009] Furthermore, a threaded hole is provided on the movable lower support, a through hole is provided at a position of the fixed lower support corresponding to the threaded hole, a screw rod is passed through the threaded hole, and the screw rod also passes through the through hole and is connected to a crank.

[0010] According to another aspect of the present embodiment, a PCCP pipeline docking device is also provided, comprising: an L-shaped base, which has a vertical plate and a horizontal plate, the inner side surfaces of the vertical plate and the horizontal plate are respectively provided with two said slide grooves, and the axes of the two said slide grooves are parallel; a movable lower support and a fixed lower support, the movable lower support and the fixed lower support are also L-shaped, and the two outer side surfaces of the movable lower support are respectively connected to two connecting rods for respectively connecting to the rollers arranged in the two said slide grooves, the fixed lower support is arranged on the L-shaped base and is arranged corresponding to the movable lower support, and the inner side surfaces of the movable lower support and the fixed lower support are both semicircular arc-shaped, The movable lower support is provided with a threaded hole, and the fixed lower support is provided with a through hole at a position corresponding to the threaded hole, a screw rod is inserted into the threaded hole, and the screw rod also passes through the through hole and is connected to a crank; the movable upper support and the fixed upper support, the inner side surfaces of the movable upper support and the fixed upper support are both semicircular arc-shaped, the movable upper support and the movable lower support and the fixed upper support and the fixed lower support are provided with fixing holes at positions corresponding to the edges, and a detachable connection is achieved by inserting bolts in the fixing holes, and the movable upper support and the movable lower support and the fixed upper support and the fixed lower support all form a complete circle.

[0011] The utility model at least has the following beneficial effects:

[0012] The utility model includes an L-shaped base, a movable lower support, a fixed lower support, a movable upper support and a fixed upper support. The inner side surfaces of the movable lower support and the fixed lower support are both semicircular arc-shaped, and the inner side surfaces of the movable upper support and the fixed upper support are also semicircular arc-shaped. The fixed upper support and the fixed lower support cooperate to clamp the installed pipe, and the movable upper support and the fixed upper support cooperate to clamp the pipe to be installed. Compared with the prior art, the utility model is easier to clamp the installed pipe and the pipe to be installed, and it is easier to accurately and quickly achieve the approach and docking of the two.

[0013] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a base according to an embodiment of the utility model;

[0015] Figure 2 This is a structural schematic diagram of a fixed lower support and a fixed upper support in one embodiment of the utility model;

[0016] Figure 3 This is a structural schematic diagram of a movable lower support and a movable upper support in one embodiment of the utility model;

[0017] Figure 4 This is a structural schematic diagram of a fixed lower support and a fixed upper support in one embodiment of the utility model;

[0018] Figure 5 The figure is a schematic diagram of the structure of a lead screw and a crank handle according to an embodiment of the utility model. DETAILED DESCRIPTION

[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0020] It should be understood that the terms such as "having", "including" and "comprising" used in the embodiments of the present application do not exclude the existence or addition of one or more other elements or their combinations. In the embodiments of the present application, all directional indications (such as up, down, left, right, front, back ...) are only used to explain the relative positional relationship, movement, etc. between the components under a certain specific posture. If the specific posture changes, the directional indication also changes accordingly. When an element is referred to as "fixed on" or "set on" another element, it can be directly on another element or there may be a centering element at the same time. When an element is referred to as "connecting" another element, it can be directly connected to another element or it can also be indirectly connected to another element through a centering element. The description of the embodiments of the present application involving "first", "second", etc. is only for descriptive purposes, and cannot be understood as indicating or implying its relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features.

[0021] It should be noted that the technical solutions between the various embodiments of the present application can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0022] like Figure 1-5 As shown, an embodiment of the present application provides a PCCP pipeline docking device, including: an L-shaped base 1, two inner side surfaces of which are respectively provided with two slide grooves 101; a movable lower support 4 and a fixed lower support 2, the movable lower support 4 is slidably arranged in the two slide grooves 101, the fixed lower support 2 is arranged on the L-shaped base 1 and is arranged corresponding to the movable lower support 4, and the inner side surfaces of the movable lower support 4 and the fixed lower support 2 are both semi-circular arc-shaped; a movable upper support 5 and a fixed upper support 3, the inner side surfaces of the movable upper support 5 and the fixed upper support 3 are both semi-circular arc-shaped, the movable upper support 5 and the fixed upper support 3 are respectively detachably connected to the movable lower support 4 and the fixed lower support 2, and the movable upper support 5 and the movable lower support 4 and the fixed upper support 3 and the fixed lower support 2 form a complete circle.

[0023] During the docking process, the fixed upper support 3 and the fixed lower support 2 are buckled together to clamp the installed pipe, the movable upper support 5 and the movable lower support 4 are buckled together to clamp the pipe to be installed, and the movable lower support 4 is pushed to achieve the docking of the pipe to be installed with the installed pipe.

[0024] Exemplarily, the L-shaped base 1 has two parts that are perpendicular to each other or have an obtuse angle between them, and the two parts are respectively provided with a slide groove 101, that is, both parts are provided with a slide groove 101, which is used for sliding connection with the movable lower support. Compared with the single track in the prior art, the connection between this embodiment and the movable support is more stable, and is not prone to shaking or displacement, and the docking accuracy is higher.

[0025] Exemplarily, the circle enclosed by the movable upper support 5 and the movable lower support 4 and the fixed upper support 3 and the fixed lower support 2 matches the outer circle of the PCCP pipe to lock the PCCP pipe, and the inner semicircular arc surfaces of the movable upper support 5, the movable lower support 4, the fixed upper support 3 and the fixed lower support 2 can be provided with a flexible layer, such as a rubber layer, to enhance the locking effect on the PCCP pipe and facilitate pushing the pipe to be installed.

[0026] Exemplarily, a linear drive mechanism such as a cylinder, a lead screw 6 and a nut is provided on the L-shaped support to drive the movable lower support 4 to approach the fixed lower support 2.

[0027] Exemplarily, the detachable connection is achieved by means of threaded connection, snap connection, etc.

[0028] Compared with the prior art in which the limiting hole can only be inserted into and out of the end of the PCCP pipe, the present embodiment can more easily clamp the installed pipe and the pipe to be installed by snapping the movable upper support 5 with the movable lower support 4 and the fixed upper support 3 with the fixed lower support 2, and the movable lower support 4 can be stably installed through the two slide grooves 101 in the horizontal and vertical directions, so as to accurately and quickly achieve the approach and docking of the two.

[0029] In another embodiment, the L-shaped base 1 has a vertical plate and a horizontal plate that are perpendicular to each other. Two slide grooves 101 are respectively provided on the inner sides of the vertical plate and the horizontal plate. The axes of the two slide grooves 101 are parallel and parallel to the axis of the PCCP pipe to fully ensure the docking accuracy.

[0030] In another embodiment, a simple sliding connection method between the movable lower support 4 and the base 1 is provided, the movable lower support 4 and the fixed lower support 2 are also L-shaped, and two outer side surfaces of the movable lower support 4 are respectively connected to two connecting rods 403, which are used to connect with rollers 402 respectively arranged in the two slide grooves 101.

[0031] In another embodiment, a straight hole is opened at the top of the slide groove 101, through which the connecting rod 403 passes, and the straight hole is smaller than the roller 402 to prevent the roller 402 from falling out.

[0032] In another embodiment, a simple detachable connection method is provided, and fixing holes 301 are provided at corresponding positions on the edges of the movable upper support 5 and the movable lower support 4 and the fixed upper support 3 and the fixed lower support 2, and the detachable connection is achieved by inserting bolts in the fixing holes 301.

[0033] In another embodiment, a simple method is provided for pushing the movable lower support 4 toward the fixed lower support 2 so that the pipe to be installed can be docked with the installed pipe. A threaded hole 401 is provided on the movable lower support 4, and a through hole 201 is provided at a position corresponding to the threaded hole 401 of the fixed lower support 2. A screw rod is inserted into the threaded hole 401, and the screw rod also passes through the through hole 201 and is connected to a crank 7, that is, the screw rod is driven to rotate by shaking, thereby driving the movable lower support 4 to move toward the fixed lower support 2.

[0034] The embodiment of the present application also provides a PCCP pipeline docking device, including: an L-shaped base 1, which has a vertical plate and a horizontal plate, the inner sides of the vertical plate and the horizontal plate are respectively provided with two slide grooves 101, and the axes of the two slide grooves 101 are parallel; a movable lower support 4 and a fixed lower support 2, the movable lower support 4 and the fixed lower support 2 are also L-shaped, and the two outer sides of the movable lower support 4 are respectively connected to two connecting rods 403, which are used to be connected to the rollers 402 respectively arranged in the two slide grooves 101, the fixed lower support 2 is arranged on the L-shaped base 1, and is arranged corresponding to the movable lower support 4, the inner sides of the movable lower support 4 and the fixed lower support 2 are both semicircular arc-shaped, and the movable lower support A threaded hole 401 is provided on the seat 4, and a through hole 201 is provided at a position corresponding to the threaded hole 401 of the fixed lower support 2, and a screw rod is inserted into the threaded hole 401, and the screw rod also passes through the through hole 201 and is connected to a crank 7; the movable upper support 5 and the fixed lower support 2, the inner side surfaces of the movable upper support 5 and the fixed upper support 3 are both semicircular arc-shaped, and the movable upper support 5 and the movable lower support 4 and the fixed upper support 3 and the fixed lower support 2 are provided with fixing holes 301 at positions corresponding to the edges, and a detachable connection is achieved by passing bolts through the fixing holes 301, and the movable upper support 5 and the movable lower support 4 and the fixed upper support 3 and the fixed lower support 2 all form a complete circle.

[0035] During the docking process, the fixed upper support 3 and the fixed lower support 2 are interlocked with each other by bolts inserted into the fixing hole 301 to clamp the installed pipe, and the movable upper support 5 and the movable lower support 4 are interlocked with each other by bolts inserted into the fixing hole 301 to clamp the pipe to be installed. The handle 7 is shaken to push the movable lower support 4 toward the fixed lower support 2 through the screw rod to achieve the docking of the pipe to be installed with the installed pipe.

[0036] Compared with the prior art in which the limiting hole can only be inserted into and out of the end of the PCCP pipe, the present embodiment can more easily achieve the clamping of the installed pipe and the pipe to be installed by the buckling of the movable upper support 5 with the movable lower support 4 and the fixed upper support 3 with the fixed lower support 2, and the movable lower support 4 can be stably installed through the two slide grooves 101 in the horizontal and vertical directions, and the movable lower support 4 can be driven to move by swinging and the screw rod, so as to accurately achieve the approach and docking of the two, and the operation is also more convenient.

[0037] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and implementation modes. It can be fully applied to various fields suitable for the utility model. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. PCCP pipe docking device, characterized in that: include: The L-shaped base has two inner sides provided with two slide grooves respectively; A movable lower support and a fixed lower support, wherein the movable lower support is slidably arranged in the two slide grooves, and the fixed lower support is arranged on the L-shaped base and is arranged corresponding to the movable lower support, and the inner side surfaces of the movable lower support and the fixed lower support are both semicircular arc-shaped; The movable upper support and the fixed upper support, the inner side surfaces of the movable upper support and the fixed upper support are both semicircular arc-shaped, the movable upper support and the fixed upper support are respectively detachably connected to the movable lower support and the fixed lower support, and the movable upper support and the movable lower support and the fixed upper support and the fixed lower support all form a complete circle.

2. The PCCP pipe docking device according to claim 1, characterized in that: The L-shaped base has a vertical plate and a horizontal plate. The inner sides of the vertical plate and the horizontal plate are respectively provided with two sliding grooves, and the axes of the two sliding grooves are parallel.

3. The PCCP pipe docking device according to claim 1, characterized in that: The movable lower support and the fixed lower support are also L-shaped, and two outer side surfaces of the movable lower support are respectively connected to two connecting rods for respectively connecting to the rollers arranged in the two sliding grooves.

4. The PCCP pipe docking device according to claim 3, characterized in that: A straight hole is provided on the top of the slide groove, through which the connecting rod passes, and the straight hole has a size smaller than that of the roller.

5. The PCCP pipe docking device according to claim 1, characterized in that: The movable upper support, the movable lower support, the fixed upper support and the fixed lower support are provided with fixing holes at positions corresponding to the edges, and detachable connection is achieved by inserting bolts in the fixing holes.

6. The PCCP pipe docking device according to claim 1, characterized in that: The movable lower support is provided with a threaded hole, and the fixed lower support is provided with a through hole at a position corresponding to the threaded hole. A screw rod is inserted into the threaded hole, and the screw rod also passes through the through hole and is connected to a crank.

7. PCCP pipe docking device, characterized in that: include: An L-shaped base having a vertical plate and a horizontal plate, wherein the inner sides of the vertical plate and the horizontal plate are respectively provided with two slide grooves, and the axes of the two slide grooves are parallel; A movable lower support and a fixed lower support, the movable lower support and the fixed lower support are also L-shaped, two outer side surfaces of the movable lower support are respectively connected to two connecting rods, which are used to be connected to the rollers arranged in the two slide grooves respectively, the fixed lower support is arranged on the L-shaped base and is arranged corresponding to the movable lower support, the inner side surfaces of the movable lower support and the fixed lower support are both semicircular, the movable lower support is provided with a threaded hole, the fixed lower support is provided with a through hole at a position corresponding to the threaded hole, a threaded rod is penetrated in the threaded hole, the threaded rod also passes through the through hole and is connected to a crank; The movable upper support and the fixed upper support, the inner sides of the movable upper support and the fixed upper support are both semicircular arc-shaped, the movable upper support and the movable lower support and the fixed upper support and the fixed lower support are provided with fixing holes at positions corresponding to the edges, and a detachable connection is achieved by bolts passing through the fixing holes, and the movable upper support and the movable lower support and the fixed upper support and the fixed lower support all form a complete circle.

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