CN211740882U - Pressure test auxiliary tool for socket-and-spigot joint nodular cast iron pipe - Google Patents

Pressure test auxiliary tool for socket-and-spigot joint nodular cast iron pipe Download PDF

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Publication number
CN211740882U
CN211740882U CN201921597380.6U CN201921597380U CN211740882U CN 211740882 U CN211740882 U CN 211740882U CN 201921597380 U CN201921597380 U CN 201921597380U CN 211740882 U CN211740882 U CN 211740882U
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China
Prior art keywords
cast iron
iron pipe
pipe
nodular cast
auxiliary tool
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Active
Application number
CN201921597380.6U
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Chinese (zh)
Inventor
陶远旺
吴善浒
杨方
刘阳
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First Construction Co Ltd of China Construction Third Engineering Division
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First Construction Co Ltd of China Construction Third Engineering Division
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Priority to CN201921597380.6U priority Critical patent/CN211740882U/en
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Abstract

The utility model belongs to the technical field of building construction, and discloses a pressure test auxiliary tool for a socket joint connection nodular cast iron pipe, which is provided with a pipe hoop matched with the nodular cast iron pipe; the fastening bolt is sleeved on the connecting noses at the upper end and the lower end of the pipe hoop; and the screw is movably arranged in the middle of the fastening bolt. The socket joint nodular cast iron pipe pressure testing auxiliary tool has the advantages of convenience, safety and reusability. The structure is simple, and the function is easy to implement; the safety and reliability are realized, and the cost is saved; has mobility, and can be moved to any required place for use.

Description

Pressure test auxiliary tool for socket-and-spigot joint nodular cast iron pipe
Technical Field
The utility model belongs to the technical field of the construction, especially, relate to a socket joint connection nodular cast-iron pipe pressure testing appurtenance.
Background
Currently, the current state of the art commonly used in the industry is such that: in the existing engineering construction, the socket joint connection nodular cast iron pipe is more and more widely applied, when the socket joint connection nodular cast iron pipe is applied to a system with pressure, pressure testing is needed after construction is completed to ensure that the quality meets the requirement, but due to the limitation of the socket joint connection mode, the disc bearing is in a pressure state during pressure testing, the disc bearing is easy to separate after bearing certain pressure, and at present, the pressure testing of the cast iron pipeline is generally carried out by using a steel pipe to support the disc bearing and a flange blind plate by external force.
Although the pressure test can be successfully carried out by using the steel pipe for propping the disc bearing and the flange blind plate by external force, the pressure test is limited by the construction conditions on site, and meanwhile, the reliability of the method is not high, when the external force can not prop the disc bearing and the blind plate in a pressure-bearing state, the disc bearing and the blind plate are easy to be separated, and because the external force has pressure, the pressure test has certain life danger to peripheral personnel, and meanwhile, the labor and materials are wasted.
In summary, the problems of the prior art are as follows:
1. under limited construction conditions, the flange bearing disc is fixed by external force and is easy to fall off;
2. the prior art does not form a mature pressure test scheme;
3. most of the existing pressure testing methods are used by workers on site, and no safety guarantee is provided;
when the external force can not support the disc bearing and the blind plate in a pressure-bearing state, the disc bearing and the blind plate are easy to separate, and the disc bearing and the blind plate have certain life danger due to the pressure, and simultaneously cause the waste of manpower and materials.
Disclosure of Invention
Problem to prior art existence, the utility model provides a nodular cast-iron pipe pressure testing appurtenance is connected in socket joint.
The utility model discloses a realize like this, a bell and spigot joint nodular cast-iron pipe pressure testing appurtenance, because the socket joint is deviate from easily after receiving pressure when the pressure testing to the pipeline of bell and spigot joint, so this scheme adopts the clamp fastening on the pipe shaft, and two screw rods of back rethread are fixed with flange bearing dish.
Further, the inner diameter of the pipe hoop is the same as the outer diameter of the ductile iron pipe.
Further, the pipe hoop is clamped outside the nodular cast iron pipe.
Further, the pipe hoop is fixedly arranged on the pipeline,
furthermore, the tail end of the screw is connected with the flange bearing disc through a bolt and is fixed.
Another object of the utility model is to provide a ripe, can adapt to a pressure testing instrument under various occasions and the condition, can guarantee operation workman's safety, again can reduce cost, save the manual work.
In summary, the advantages and positive effects of the invention are: the socket joint nodular cast iron pipe pressure testing auxiliary tool has the advantages of convenience, safety and reusability. The structure is simple, and the function is easy to implement; the safety and reliability are realized, and the cost is saved; has mobility, and can be moved to any required place for use.
Drawings
Fig. 1 is the embodiment of the utility model provides a socket joint nodular cast iron pipe pressure testing appurtenance's structural sketch.
Fig. 2 is the utility model provides a socket joint nodular cast-iron pipe pressure testing appurtenance in service state picture is connected.
In the figure: 1. ball milling a cast iron pipe; 2. fastening a bolt; 3. a pipe hoop; 4. carrying out disc bearing; 5. a flange pad; 6. a flange blind plate; 7. a screw.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
Aiming at the problems in the prior art, the invention provides a socket joint nodular cast iron pipe pressure test auxiliary tool, and the utility model is described in detail with reference to the attached drawings 1 and 2.
This socket joint nodular cast iron pipe pressure testing appurtenance includes: the pipe hoop 3, the screw 7 and the fastening bolt 2. The inner diameter of the pipe hoop 3 is the same as the outer diameter of the nodular cast iron pipe, the pipe hoop 3 is screwed through the fastening bolts 2 after embracing the nodular cast iron pipe 1, two screw rods 7 are installed in the middle of the fastening bolts 2 at two ends of the pipe hoop 3, and the other ends of the screw rods 7 penetrate through bolt holes in the disc bearing 4 and the flange blind plate 6 and then are fastened through bolts.
As shown in fig. 2, firstly, the disc 4 is connected with the nodular cast iron pipe 1, then the pipe hoop 3 is installed, one end of the screw 7 is connected with the pipe hoop 3 through the bolt while the pipe hoop 3 is installed, the bolt 2 is not fastened, the pipe hoop 3 is moved along the direction of the nodular cast iron pipe 1, the screw 7 is inserted into the flange connecting bolt hole of the disc 4, then the pipe hoop 3 is adjusted to a proper position, then the bolt on the pipe hoop 3 is fastened, after the bolt is installed, the flange pad 5 is installed on the disc 4, then the blind plate 6 is installed, two holes through which the screw 7 passes are fastened by the bolt, and the other flange bolts also need to be fastened by the bolt.
The working principle part is as follows: the one end clamp of appurtenance is fixed with the pipeline, for the screw rod 7 that links to each other with the clamp provides the pulling force, and the screw rod 7 other end passes through bolted connection and flange basin is fixed, and the flange basin that fixes that can be fine when pipeline pressure test avoids causing under the pressure effect flange basin to deviate from to guarantee that pressure test work goes on smoothly, avoid the occurence of failure.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.

Claims (6)

1. The pressure test auxiliary tool for the socket joint connection nodular cast iron pipe is characterized in that a pipe hoop matched with the nodular cast iron pipe is arranged on the socket joint connection nodular cast iron pipe;
the fastening bolt is sleeved on the connecting noses at the upper end and the lower end of the pipe hoop;
and the screw is movably arranged in the middle of the fastening bolt.
2. The pressure test auxiliary tool for the socket-and-spigot joint nodular cast iron pipe as claimed in claim 1, wherein the tail end of the nodular cast iron pipe is connected with a disc bearing, a flange pad is installed on the disc bearing, and a flange blind plate is installed on the outer side of the flange pad.
3. The spigot-and-socket joint ductile cast iron pipe pressure test auxiliary tool as claimed in claim 1, wherein the inner diameter of the pipe collar is the same as the outer diameter of the ductile cast iron pipe.
4. The spigot-and-socket joint auxiliary tool for pressure testing of ductile cast iron pipes as claimed in claim 1, wherein the pipe hoop is clamped outside the ductile cast iron pipe.
5. The spigot-and-socket joint ductile cast iron pipe pressure testing auxiliary tool as claimed in claim 1, wherein the pipe collar is fixedly mounted on the pipeline.
6. The pressure test auxiliary tool for the socket-and-spigot nodular cast iron pipe as claimed in claim 1, wherein the tail end of the screw is fixed with the flange bearing disc through bolt connection.
CN201921597380.6U 2019-09-25 2019-09-25 Pressure test auxiliary tool for socket-and-spigot joint nodular cast iron pipe Active CN211740882U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921597380.6U CN211740882U (en) 2019-09-25 2019-09-25 Pressure test auxiliary tool for socket-and-spigot joint nodular cast iron pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921597380.6U CN211740882U (en) 2019-09-25 2019-09-25 Pressure test auxiliary tool for socket-and-spigot joint nodular cast iron pipe

Publications (1)

Publication Number Publication Date
CN211740882U true CN211740882U (en) 2020-10-23

Family

ID=72850592

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921597380.6U Active CN211740882U (en) 2019-09-25 2019-09-25 Pressure test auxiliary tool for socket-and-spigot joint nodular cast iron pipe

Country Status (1)

Country Link
CN (1) CN211740882U (en)

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