CN211452169U

CN211452169U - Special compasses for PCCP (prestressed concrete cylinder pipe) detection

Info

Publication number: CN211452169U
Application number: CN201820349868.6U
Authority: CN
Inventors: 袁建峰; 王子轩; 冯兴龙; 王昊; 杨婕; 吴倩平; 吴小刚; 王瑞
Original assignee: Zhengzhou Huilong Pipe Industry Co ltd
Current assignee: Zhengzhou Huilong Pipe Industry Co ltd
Priority date: 2018-03-15
Filing date: 2018-03-15
Publication date: 2020-09-08
Anticipated expiration: 2028-03-15

Abstract

The utility model discloses a PCCP pipe detects special back gauge, including the back gauge main part, the back gauge main part become smoothly for the surface, be the ring form, back gauge main part surface be equipped with the handle, handle and back gauge main part appearance match each other, the handle be ring shape through-hole, back gauge main part tip be equipped with the micrometer of beating, the micrometer of beating on be equipped with the pointer of beating, the handle tip be equipped with the meter of beating, the back gauge main part include back gauge inner arc and back gauge outer arc. This practical structure is simple does not need electrical equipment only to need simple mechanical structure just can the accurate measurement to be not conform to the tubular product of error requirement to corrosion-resistant use accuracy is high.

Description

Special compasses for PCCP (prestressed concrete cylinder pipe) detection

Technical Field

The utility model relates to a special detection tool specifically is a PCCP pipe detects special compasses.

Background

Because the PCCP pipe is a water supply pipeline and has certain working pressure during normal use, in order to ensure that a pipeline joint does not leak after installation, the requirement on the working clearance of a socket of the PCCP pipe is very strict, under general conditions, the most suitable working clearance of a bell mouth and a spigot of the PCCP pipe is controlled between 0.4mm and 1.4mm, detection through precision equipment can be realized in the production process, but the deformation is caused by local stress and collision in the hoisting, transportation and installation processes of the PCCP pipe, but the deformation is very small, the PCCP pipe is difficult to see by naked eyes under general conditions, but many problems can be caused in the installation process, for example, butt joint is not connected, a joint water closing and pressurizing test cannot pass after installation, and the installed pipeline needs to be detached again, so the construction and installation efficiency is very low.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the technical scheme provided by the utility model is as follows: the utility model provides a PCCP manages and detects special back gauge, includes the back gauge main part, the back gauge main part become smoothly for the surface, be the ring form, back gauge main part surface be equipped with the handle, handle and back gauge main part appearance match each other, the handle be ring shape through-hole, back gauge main part tip be equipped with the micrometer of beating, the micrometer of beating on be equipped with the pointer of beating, the handle tip be equipped with the meter of beating, the back gauge main part include back gauge inner arc and back gauge outer arc.

The technical advantages provided by the utility model are: the special back gauge for detecting the socket and spigot of the PCCP pipe is light and convenient, whether the socket and spigot has ovality or local deformation can be found only by tightly attaching the back gauge to the socket or spigot of the PCCP pipe, if a problem exists, the quality can be maintained in time to meet the requirement, the working efficiency is improved, the cost is saved, the structure is simple, the special back gauge is corrosion-resistant and firm in material, can be used for a long time, and can be stored for a long time only by polishing the surface with oil because of convenient maintenance.

As an improvement, the number of the run-out micrometers is two, the run-out micrometers are respectively located at the end portions of the inner arc and the outer arc of the master gauge, the number of the pointers is matched with the number of the run-out micrometers, and the number of the run-out gauges is two, and the two run-out gauges are respectively located at two ends of the master gauge body. The radial distance can be conveniently measured through the graduated scale and the micrometer, and specific parameters of the distance are read.

As an improvement, a graduated scale is arranged on the jumping micrometer, the jumping pointer can transfer the jumping distance to the jumping meter by shifting, and the graduated scale is arranged on the dial plate of the jumping meter.

As an improvement, the inner arc of the gauge is attached to the socket of the pipe body, the jumping pointer is shifted to detect the flatness of the socket, and the radial distance from the inner arc of the gauge to the socket is transmitted to the jumping meter; the outer arc of the gauge is attached to the socket to detect the flatness of the surface of the socket. The surface fluctuation degree can be directly transmitted to the jitter meter through simple smooth jitter, and the reading number is read through the jitter meter.

As an improvement, the jumping pointer is hinged with a jumping meter, and the inner arc and the outer arc of the gauge are respectively hinged with one jumping meter.

Drawings

FIG. 1 is a schematic view of a testing socket of a special gauge for testing PCCP pipes according to the present invention;

FIG. 2 is a schematic view of a testing socket of the special gauge for testing PCCP pipes according to the present invention;

as shown in the figure: 1. the main body of the back gauge, 2, a handle, 3, a jump micrometer, 4, a jump pointer, 5, a jump meter, 6, an inner arc of the back gauge, 7 and an outer arc of the back gauge.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Combine a PCCP pipe to detect special back gauge, including back gauge main part 1, back gauge main part 1 become smoothly for the surface, be the ring form, 1 surface of back gauge main part be equipped with handle 2, handle 2 and 1 appearance of back gauge main part match each other, handle 2 be ring shape through-hole, 1 tip of back gauge main part be equipped with the micrometer 3 of beating, the micrometer 3 of beating on be equipped with the pointer 4 of beating, 2 tip of handle be equipped with the meter 5 of beating, back gauge main part 1 include back gauge inner arc 6 and back gauge outer arc 7.

The number of the run-out micrometer 3 is two, the run-out micrometer 3 is respectively located at the end parts of the inner arc 6 and the outer arc 7 of the master gauge, the number of the pointers is matched with the number of the run-out micrometer 3, and the number of the run-out meters 5 is two, and the two run-out meters are respectively located at two ends of the master gauge main body 1.

The micrometer 3 of beating be equipped with the scale, the pointer 4 of beating stir and can transmit the distance of beating for the table 5 of beating, the dial plate of the table 5 of beating on the scale.

The inner arc 6 of the gauge is attached to the socket of the pipe body, the jumping pointer 4 is shifted to detect the flatness of the socket, and the radial distance from the inner arc 6 of the gauge to the socket is transmitted to the jumping meter 5; the outer arc 7 of the gauge is attached to the socket to detect the flatness of the surface of the socket.

The jumping pointer 4 is hinged with a jumping meter 5, and the inner arc 6 and the outer arc 7 of the gauge are respectively hinged with one jumping meter 5.

The device is held by the handle, the socket and the socket of the PCCP pipe are sequentially checked, the inner arc 6 of the gauge is attached to the socket, the jumping pointer 4 is shifted slowly and the farthest distance of the jumping meter 5 is recorded, the outer arc 7 of the gauge is attached to the socket, the jumping pointer 4 is shifted slowly and the farthest distance of the jumping meter 5 is recorded, the farthest distance of the record is the position needing to be corrected again, the reasonable distance specified according to the processing technology is 0.4 mm-1.4 mm, and the correction can be gradually carried out until the distance is within an allowable error.

The present invention and the embodiments thereof have been described above, but the present invention is not limited to the above description, and the embodiments shown in the drawings are only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they can devise similar structural modes and embodiments without departing from the spirit of the present invention, and shall fall within the scope of the present invention.

Claims

1. The utility model provides a special master gauge of PCCP pipe detection which characterized in that: including master gauge main part (1), master gauge main part (1) become smoothly for the surface, be the ring form, master gauge main part (1) surface be equipped with handle (2), handle (2) match each other with master gauge main part (1) appearance, handle (2) for ring shape through-hole, master gauge main part (1) tip be equipped with micrometer (3) of beating, micrometer (3) of beating on be equipped with pointer (4) of beating, handle (2) tip be equipped with meter (5) of beating, master gauge main part (1) including master gauge inner arc (6) and master gauge outer arc (7).

2. The special master gauge for detecting the PCCP pipe according to claim 1, wherein: the number of the run-out micrometers (3) is two, the run-out micrometers are respectively located at the end portions of the inner arc (6) and the outer arc (7) of the master gauge, the number of the pointers is matched with the number of the run-out micrometers (3), and the number of the run-out meters (5) is two, and the run-out micrometers are respectively located at two ends of the master gauge main body (1).

3. The special master gauge for detecting the PCCP pipe according to claim 1, wherein: the dial plate jump gauge is characterized in that a graduated scale is arranged on the jump micrometer (3), the jump pointer (4) is shifted to transmit the jump distance to the jump gauge (5), and the graduated scale is arranged on the dial plate of the jump gauge (5).

4. The special master gauge for detecting the PCCP pipe according to claim 1, wherein: the inner arc (6) of the gauge is attached to the socket of the pipe body, the jumping pointer (4) is shifted to detect the flatness of the socket, and the radial distance from the inner arc (6) of the gauge to the socket is transmitted to the jumping meter (5); the outer arc (7) of the gauge is attached to the socket to detect the flatness of the surface of the socket.

5. The special master gauge for detecting the PCCP pipe according to claim 1, wherein: the jumping pointer (4) is hinged with a jumping meter (5), and the inner arc (6) and the outer arc (7) of the gauge are respectively hinged with the jumping meter (5).