CN209520531U - An improved device for PCCP installation internal pull method - Google Patents

Abstract

The utility model discloses an improved device for installing an internal pulling method for PCCP, which comprises two supporting devices supported in the PCCP pipe; the supporting device includes a cross bar, an arc-shaped plate arranged at one end of the cross bar, and The first arc-shaped plate arranged at the other end of the cross bar, the inner arc surface of the arc-shaped plate is welded with a pipe fitting, the cross bar is inserted into the pipe fitting, and the connection between the pipe fitting and the cross bar Screws are interposed, and a threaded hole is processed at the other end of the cross bar, and a screw is fitted through the threaded hole. The left end of the screw is provided with a cylindrical insert, and the inner circle of the first arc-shaped plate A first pipe fitting is welded on the arc surface, the insert block fits inside the first pipe fitting, a bar-shaped groove is provided through the front end surface of the cross bar; a tightening fitting is fitted between the two support devices Device; this product can tighten two adjacent PCCP pipes to form a complete weld.

Description

An improved device for PCCP installation internal pull method

technical field

The utility model relates to an improvement device for a PCCP installation inner pull method appliance.

Background technique

During the installation and construction of PCCP, it is necessary to hoist the PCCP pipe to the pre-installation position through hoisting equipment, and then it is necessary to connect two adjacent PCCP pipes. After the docking is completed, it is necessary to keep the two PCCP pipes in the center before welding Fixed, but the diameter of the PCCP pipe is large, and manual movement is laborious. It can only be lifted by hoisting equipment, but the hoisting equipment is a large-scale equipment with poor accuracy.

Based on the above problems, it is necessary to provide an improved device for PCCP installation inner-drawing appliances that can tighten two adjacent PCCP pipes to facilitate the formation of a complete weld.

Utility model content

The technical problem to be solved by the utility model is to provide an improved device for PCCP installation internal pull method that can tighten two adjacent PCCP pipes to facilitate the formation of a complete weld.

The utility model is achieved through the following technical solutions:

An improved device for installing internal pulling method appliances for PCCP, comprising two supporting devices supported in the PCCP pipe;

The support device includes a cross bar, an arc-shaped plate arranged at one end of the cross bar, and a first arc-shaped plate arranged at the other end of the cross bar, and the inner arc-shaped surface of the arc-shaped plate is welded There is a pipe fitting, the cross bar is inserted into the pipe fitting, a screw is matched between the pipe fitting and the cross bar, a threaded hole is processed at the other end of the cross bar, and a screw rod is fitted through the threaded hole, so The left end of the screw rod is provided with a cylindrical insert, and the first pipe is welded on the inner arc surface of the first arc-shaped plate, and the insert is fitted in the first pipe, and the insert can be connected with the first pipe. The first pipe piece rotates coaxially, and a bar-shaped groove is provided through the front end surface of the cross bar;

A tightening device is fitted between the two supporting devices;

The tightening device includes a rod, the rear end of the rod is processed with a limited end, the rod is processed with a first rod at a position close to the end, and the first rod The diameter of the rod is greater than the diameter of the rod, transition fit between the first rod and the bar-shaped groove, the rod passes through the two bar-shaped grooves and is threaded to a nut, the nut After the cap rotates and moves successively, it acts on the cross bar, and more than two handle rods are annularly welded on the outer wall of the nut.

Preferably, the outer circular surfaces of the arc-shaped plate and the first arc-shaped plate are glued and fixed with a stop plate made of rubber material, and the stop plate will be deformed after being squeezed, when the stop plate When deformation occurs, the arc-shaped plate and the first arc-shaped plate form a tight fit with the inner wall of the PCCP pipe, generating sufficient frictional force to avoid loosening during the drawing process.

Preferably, the thickness of the stop plate is 4mm-6mm.

Preferably, a polygonal stressed portion is processed on the screw.

Preferably, each plane of the force-receiving part is provided with a force-receiving hole.

Preferably, the pitch of the screw is 2mm-4mm.

The arc of the arc plate and the first arc plate are the same, and the arc is 1/5~1/3π. The contact area between the arc plate and the first arc plate and the PCCP tube is relatively large, which can better protect the inside of the PCCP tube. the integrity of the wall.

This product operates as follows:

First install one of the supporting devices in one of the PCCP pipe fittings, and install the other supporting device in the other PCCP pipe fitting. By turning the screw, the distance between the arc-shaped plate and the first arc-shaped plate is opened, and the arc The shaped plate and the first arc-shaped plate are fitted into the PCCP pipe fitting, and the support device is fixed at this time, and then the tightening device is inserted between the two support devices, and the nut is turned to make the gap between the two support devices The spacing is shortened until the two PCCP pipes are seamlessly connected, and then the PCCP pipe fittings can be connected.

The beneficial effects of the utility model are: the product structure of this product is relatively simple, and the two adjacent PCCP pipes can be pulled closer by rotating the nut, and the operation method is relatively simple, and each time the nut rotates, the PCCP pipe moves One screw pitch, the distance control is relatively fine, it is convenient to realize the seamless connection of two adjacent PCCP pipes, and it is suitable for popularization and use.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the top view of the utility model;

Fig. 2 is a front view of the supporting device.

Detailed ways

All features disclosed in this specification, or steps in all methods or processes disclosed, can be combined in any way except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

In the description of the present invention, it should be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end The orientation or positional relationship indicated by "part", "length", "outer end", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying No device or element must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In addition, in the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise clearly specified and limited, terms such as "setting", "socketing", "connecting", "through", and "inserting" should be understood in a broad sense, for example, it can be a fixed connection , can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the mutual connection of two components Functional relationship, unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

A kind of PCCP as shown in Fig. 1 and Fig. 2 installs the improvement device of internal drawing method, comprises two supporting devices 1 supported in the PCCP pipe;

Described support device 1 comprises a cross bar 101, and is arranged on the arc plate 102 of one end of described cross bar 101, and is arranged on the first arc plate 103 of described cross bar 101 other end, and described arc plate 102 A pipe fitting 111 is welded on the inner arc surface of the pipe fitting 111, the cross bar 101 is inserted into the pipe fitting 111, a screw 112 is fitted between the pipe fitting 111 and the cross bar 101, and the other end of the cross bar 101 is processed There is a threaded hole (not shown), through which a screw 113 is matched, and the left end of the screw 113 is provided with a cylindrical insert 114, which is welded on the inner arc surface of the first arc-shaped plate 103 There is a first pipe piece 115, the insert block 114 fits in the first pipe piece 115, and the insert block 114 can rotate coaxially with the first pipe piece 115, and the front end surface of the cross bar 101 is provided with a bar shaped groove 116;

A tightening device 2 is fitted between the two supporting devices 1;

The tightening device 2 includes a rod 201, the rear end of the rod 201 is processed with an end 202 for positioning, and the rod 201 is processed with a first rod 203 near the end 202 , the diameter of the first rod 203 is greater than the diameter of the rod 201, and the transition fit between the first rod 203 and the bar-shaped groove 116, the setting purpose of the first rod is to make the rod Sufficient spacing is left between the bar-shaped grooves to prevent the crossbar from scratching the threads when moving. After the rod 201 passes through the two bar-shaped grooves 116, it is threadedly connected with a nut 204, and the nut 204 After rotating and moving successively, it acts on the cross bar 101 , and two handle rods 205 are annularly welded on the outer wall of the nut 204 .

In a preferred embodiment of the present invention, the outer circular surfaces of the arc-shaped plate 102 and the first arc-shaped plate 103 are all glued and fixed with a stop plate 133 of rubber material, and the stop plate 133 is subjected to It will be deformed after the extrusion force. When the stop plate is deformed, the arc plate and the first arc plate will form a tight fit with the inner wall of the PCCP pipe, which will generate enough friction to avoid the occurrence of loose.

In a preferred embodiment of the present invention, the thickness of the stop plate 133 is 4mm.

In a preferred embodiment of the present utility model, a polygonal stress-receiving part 155 is processed on the screw rod 113 .

In a preferred embodiment of the present utility model, each plane of the force receiving portion 155 is provided with a force receiving hole 166 .

In a preferred embodiment of the present invention, the pitch of the screw rod 113 is 2mm.

The arc of the arc plate and the first arc plate are connected, and the arc is 1/5π. The contact area between the arc plate and the first arc plate and the PCCP pipe is relatively large, which can better protect the integrity of the inner wall of the PCCP pipe .

This product operates as follows:

First install one of the supporting devices in one of the PCCP pipe fittings, and install the other supporting device in the other PCCP pipe fitting. By turning the screw, the distance between the arc-shaped plate and the first arc-shaped plate is opened, and the arc The shaped plate and the first arc-shaped plate are fitted into the PCCP pipe fitting, and the support device is fixed at this time, and then the tightening device is inserted between the two support devices, and the nut is turned to make the gap between the two support devices The spacing is shortened until the two PCCP pipes are seamlessly connected, and then the PCCP pipe fittings can be connected.

The beneficial effects of the utility model are: the product structure of this product is relatively simple, and the two adjacent PCCP pipes can be pulled closer by rotating the nut, and the operation method is relatively simple, and each time the nut rotates, the PCCP pipe moves One screw pitch, the distance control is relatively fine, it is convenient to realize the seamless connection of two adjacent PCCP pipes, and it is suitable for popularization and use.

The above is only a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any change or replacement that is not thought of through creative work should be covered within the scope of protection of the utility model . Therefore, the protection scope of the present utility model should be determined by the protection scope defined in the claims.

Claims (6)

1. A kind of PCCP installs the improvement device of internal drawing method, is characterized in that: comprise two supporting devices that are supported in the PCCP pipe; The support device includes a cross bar, an arc-shaped plate arranged at one end of the cross bar, and a first arc-shaped plate arranged at the other end of the cross bar, and the inner arc-shaped surface of the arc-shaped plate is welded There is a pipe fitting, the cross bar is inserted into the pipe fitting, a screw is matched between the pipe fitting and the cross bar, a threaded hole is processed at the other end of the cross bar, and a screw rod is fitted through the threaded hole, so The left end of the screw rod is provided with a cylindrical insert, and the first pipe is welded on the inner arc surface of the first arc-shaped plate, and the insert is fitted in the first pipe, and the insert can be connected with the first pipe. The first pipe piece rotates coaxially, and a bar-shaped groove is provided through the front end surface of the cross bar; A tightening device is fitted between the two supporting devices; The tightening device includes a rod, the rear end of the rod is processed with a limited end, the rod is processed with a first rod at a position close to the end, and the first rod The diameter of the rod is greater than the diameter of the rod, transition fit between the first rod and the bar-shaped groove, the rod passes through the two bar-shaped grooves and is threaded to a nut, the nut After the cap rotates and moves successively, it acts on the cross bar, and more than two handle rods are annularly welded on the outer wall of the nut. 2. The improved device for installing internal pull method for PCCP installation according to claim 1, characterized in that: the outer arc surface of the arc-shaped plate and the first arc-shaped plate are all glued and fixed with stoppers made of rubber material plate. 3 . The device for improving PCCP internal pull-up appliances according to claim 2 , characterized in that: the thickness of the stop plate is 4 mm to 6 mm. 4 . 4. The device for improving PCCP internal pull-up appliances according to claim 1, characterized in that: a polygonal stress-bearing part is processed on the screw rod. 5. The device for improving PCCP internal pull-up appliances according to claim 4, characterized in that: each plane of the force-receiving part is provided with a force-receiving hole. 6 . The device for improving PCCP internal pull method according to claim 1 or 4 , characterized in that: the pitch of the screw rod is 2 mm to 4 mm. 7 .