CN216925527U

CN216925527U - Hole measuring device

Info

Publication number: CN216925527U
Application number: CN202220580529.5U
Authority: CN
Inventors: 董锋; 陈震东; 刘源; 张凯; 李庆芝; 李强
Original assignee: Xian Thermal Power Research Institute Co Ltd
Current assignee: Xian Thermal Power Research Institute Co Ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-08
Anticipated expiration: 2032-03-17

Abstract

The utility model provides a hole measuring device, which belongs to the technical field of detection devices and comprises: the shell is covered at the reserved opening of the pipeline; an accommodating cavity is formed in the shell and communicated with the pipeline reserved opening; the shell is provided with a test hole for communicating the accommodating cavity with an external space; a sealing member having a sealing portion and a communicating portion; the plugging piece has a plugging state that the plugging part plugs on the test hole and also has a test state that the communication part is communicated with the test hole; the communicating part comprises at least two communicating holes with different apertures. According to the utility model, the holes with different apertures are formed in the plugging piece, and the holes with different apertures are selected in the use process of the plugging piece, so that the degree of matching with the apertures during equipment testing can be realized, the leakage of smoke is avoided, and the accuracy of test data is ensured.

Description

Hole measuring device

Technical Field

The utility model relates to the technical field of detection devices, in particular to a hole measuring device.

Background

In a coal-fired power plant, in order to solve the operation conditions of equipment such as a coal-fired boiler, an air preheater, a denitration device and the like, tests such as an air preheater air leakage rate test, a denitration performance test, an electric dust removal performance test, a desulfurization performance test and the like are often required to be carried out so as to measure the operation conditions of each equipment, carry out data acquisition and serve as a basis for providing an adjustment suggestion as an operation parameter. Generally, a pipeline reserved hole is reserved in a pipeline, and field data acquisition and measurement of each device are realized.

Set up the apron of taking the shutoff piece on the pipeline reservation mouth among the prior art, the shutoff piece passes through the screw thread with the lid and can dismantle the connection, but the aperture of apron form can not be adjusted, often the aperture mismatch when using different instrument and equipment test different projects, uses not assorted aperture can cause revealing of flue gas when the test, influences the accuracy of test data still can cause the discomfort to the testing personnel.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the hole diameter of the hole measuring device in the prior art cannot be adjusted, thereby providing a hole measuring device.

In order to solve the above technical problem, the present invention provides a hole measuring device, including:

the shell is covered at the reserved opening of the pipeline; an accommodating cavity is formed in the shell and communicated with the pipeline reserved opening; the shell is provided with a test hole for communicating the accommodating cavity with an external space;

a sealing member having a sealing portion and a communicating portion; the plugging piece has a plugging state that the plugging part plugs on the test hole and also has a test state that the communication part is communicated with the test hole; the communicating part comprises at least two communicating holes with different apertures.

Preferably, the blocking piece is rotatably arranged in the accommodating cavity of the shell.

Preferably, the method further comprises the following steps:

an adjustment device having a drive rod; the driving rod is connected with the shell in a rotating and sealing mode, and one end of the driving rod is connected with the plugging piece.

Preferably, the plugging piece is spherical; the blocking part is provided with a blocking end extending out of the surface of the blocking piece.

Preferably, the shell is provided with a slotted hole; the driving rod is arranged in the strip-shaped slotted hole in a sliding mode.

Preferably, the method further comprises the following steps:

one end of the elastic piece is connected with the driving rod, and the other end of the elastic piece is connected with the shell; the elastic piece has the drive power that drives shutoff piece and test hole butt.

Preferably, a sealing assembly is arranged on the driving rod, and the sealing assembly is provided with two sealing balls which are respectively arranged on two sides of a slotted hole of the shell.

Preferably, the shell is connected with the reserved opening of the pipeline through a bolt.

Preferably, a handle is mounted on the end of the drive rod remote from the seal.

Preferably, the material of the plugging piece is stainless steel.

The technical scheme of the utility model has the following advantages:

1. the utility model provides a hole measuring device, which comprises:

According to the utility model, the holes with different apertures are formed in the plugging piece, and the holes with different apertures are selected in the use process of the plugging piece, so that the degree of matching with the apertures during equipment testing can be realized, the leakage of smoke is avoided, and the accuracy of test data is ensured.

2. According to the hole measuring device provided by the utility model, the plugging piece is made of stainless steel material, can cope with a complex environment in a pipeline, and is not easy to corrode.

3. According to the hole measuring device provided by the utility model, the shell and the plugging piece need to be assembled in advance and are directly connected with the pipeline through the bolt, and the hole measuring device has the advantages of convenience in installation and simplicity in operation.

4. The hole measuring device provided by the utility model is provided with the strip-shaped groove, and the plugging piece can be displaced through the strip-shaped groove in the hole changing process through the strip-shaped groove, so that the hole diameter is more convenient to adjust.

5. According to the hole measuring device provided by the utility model, the sealing balls are respectively arranged inside and outside, so that the sealing performance of the pipeline in positive pressure and negative pressure can be met in the working process, the sealing balls inside the pipeline can be tightly attached to the slotted holes under the action of atmospheric pressure in the positive pressure process to play a role in sealing, and the sealing balls outside the pipeline can be tightly attached to the slotted holes under the action of atmospheric pressure in the negative pressure process to play a role in sealing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is an overall front view of an alternative aperture hole-measuring device of the present invention;

FIG. 2 is a front view of a closure of the present invention;

FIG. 3 is a side cross-sectional view of a closure of the present invention;

figure 4 is a top view of the whole of the alternative aperture hole-measuring device of the present invention.

Description of reference numerals:

1. a blocking member; 2. a plugging section; 3. a hole A; 4. b hole; 5. c hole; 6. a C-hole inlet; 7. an outlet of hole C; 8. an aperture A inlet; 9. an outlet of the A hole; 10. a hole B inlet; 11. an outlet of the hole B; 12. a housing; 13. A test well; 14. a slotted hole; 15. a sealing ball; 17. a drive rod; 18. a handle; 19. an elastic member; 20. an elastic stopper; 21. and (4) bolts.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The embodiment provides a hole measuring device, which comprises a shell 12, a hole measuring device and a hole measuring device, wherein the shell is covered at a reserved opening of a pipeline; the shell 12 is internally provided with an accommodating cavity which is communicated with a pipeline reserved opening; the shell 12 is provided with a test hole 13 for communicating the accommodating cavity with an external space;

a block 1 having a block portion 2 and a communicating portion; the plugging piece 1 has a plugging state in which the plugging portion 2 plugs the test hole 13, and also has a test state in which the communication portion communicates with the test hole 13; the communicating part comprises at least two communicating holes with different apertures.

The hole in different apertures is seted up through the inside of shutoff piece 1 to this embodiment, and the in-process of deuterogamying shutoff piece 1 in using selects the hole in different apertures, and with the degree of cooperation in aperture when can realizing the equipment test, avoid causing revealing of flue gas, guarantee test data's accuracy.

As shown in fig. 1, the hole measuring device is divided into a housing 12 and a plugging member 1. Casing 12, the lid is established in pipeline reservation mouth department to leave test hole 13 in the top of casing 12, test hole 13 establishes directly over the pipeline reservation mouth, and test hole 13 aperture size should be greater than the aperture that shutoff piece 1 intercommunication portion was seted up, it holds the cavity to have in the casing 12, it sets up with pipeline reservation mouth intercommunication to hold the cavity.

The test hole 13 is provided with a plugging piece 1, the plugging piece 1 is provided with a plugging part 2 which can be plugged on the test hole 13 to plug the test hole 13, and also provided with a communicating part which can communicate the communicating hole and the test hole 13. The plugging piece 1 is rotatably arranged in the accommodating cavity of the shell 12, and the switching between the plugging state and the testing state of the plugging piece 1 is realized by rotating the plugging piece 1.

Specifically, the plugging portion 2 should be designed to be a plugging end which is matched with the shape of the test hole 13 on the housing 12 in order to ensure the sealing performance of the device, the plugging portion 2 can also be directly a spherical surface in order to reduce the processing technology, the testing hole 13 is tightly attached through the force provided in the device, so that the sealing effect is achieved, in order to enhance the sealing performance of the plugging portion 2 and the testing hole 13, the material of the plugging end portion can be changed into a rubber material, the plugging end of the rubber material can be slightly larger than the aperture of the test hole 13, and the rubber material can be tightly attached to the test hole 13 due to certain ductility, so that the sealing performance is enhanced. The closure 1 is rotatably arranged in the receiving cavity of the housing 12 at the communicating portion of the closure 1. The closure 1 may also be of other regular shapes, preferably of spherical shape.

When the rotation of the block piece 1 is realized, an adjusting device is arranged on the block piece 1, and the adjusting device is provided with a driving rod 17; the driving rod 17 is connected with the shell 12 in a rotating and sealing manner, a strip-shaped slot is arranged on the shell 12, the driving rod 17 penetrates through the strip-shaped slot 14, and the driving rod 17 can move up and down in the strip-shaped slot 14. In order to ensure the sealing of the housing 12, a pair of sealing balls 15 is provided on the driving rod 17, each pair of sealing balls 15 is respectively located inside and outside the slotted hole 14, and the diameter of the sealing balls 15 needs to be larger than the length of the slotted hole 14. Inside and outside respectively set up a ball sealer 15 can satisfy the leakproofness when malleation and negative pressure in the pipeline in the course of the work, the inside ball sealer 15 of malleation in-process can closely laminate slotted hole 14 under the effect of atmospheric pressure and play sealed effect, can closely laminate slotted hole 14 under the effect of atmospheric pressure at the outside ball sealer 15 of negative pressure in-process and play sealed effect.

An elastic member 19 is disposed between the housing 12 and the driving rod 17, and one end of the elastic member 19 is connected to the driving rod 17 and the other end is connected to the housing 12. The housing 12 is provided with a spring retainer 20 for connection with the spring 19. The elastic piece 19 can provide the driving force for abutting the plugging piece 1 with the test hole 13, and the plugging piece 1 is ensured to be completely abutted against the test hole 13.

As shown in fig. 2 and 3, the communicating part of the plugging member 1 includes at least two communicating holes with different apertures, and the communicating holes are penetratingly arranged on the plugging member 1. In the figure, three communicating holes are provided, namely A, B and C. The hole A3 is formed by penetrating a hole A inlet 8 and a hole A outlet 9, the hole B4 is formed by penetrating a hole B inlet 10 and a hole B outlet 11, and the hole C5 is formed by penetrating a hole C inlet 6 and a hole C outlet 7. In the actual use process, the connecting hole matched with the test sampling gun can be selected.

As shown in fig. 4, the housing 12 is connected to the reserved opening of the pipeline by bolts 21, and the connecting bolts 21 are uniformly distributed on the periphery of the housing 12.

Method of use and principles

When mounting is required, the case 12 is turned upside down, and the block portion 2 of the block piece 1 is placed in the test hole 13 inside the case 12. The driving rod 17 is passed through the slotted hole 14 of the housing 12, and the sealing ball 15 is mounted on the driving rod 17, respectively placed inside and outside the slotted hole 14. One end of the driving rod 17 is fixedly connected with the plugging piece 1. One end of the elastic member 19 is connected to the driving rod 17, and the other end is connected to the elastic stopper 20. The other end of the drive rod 17 is connected to a handle 18. The device is arranged right, and is connected with a reserved opening of a pipeline by a bolt 21.

Normally, in a plugging state, the plugging part 2 of the plugging piece 1 is placed in the test hole 13, when the hole selection is needed, the handles 18 on the two sides are pressed simultaneously to resist the elasticity of the elastic piece 19, so that the plugging part 2 of the plugging piece 1 is separated from the test hole 13, then the drive rod 17 is rotated by using the handles 18, the drive rod 17 is rotated to select a proper hole diameter, and finally the elastic piece 19 is reset.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. A hole measuring device is characterized in that a hole measuring device is arranged on the hole measuring device,

a shell (12) which is covered at the reserved opening of the pipeline; the shell (12) is internally provided with an accommodating cavity which is communicated with the pipeline reserved port; the shell (12) is provided with a test hole (13) for communicating the accommodating cavity with an external space;

a sealing member (1) having a sealing portion (2) and a communicating portion; the plugging piece (1) has a plugging state that the plugging part (2) is plugged on the test hole (13), and also has a test state that the communication part is communicated with the test hole (13); the communicating part comprises at least two communicating holes with different apertures.

2. A hole measuring device according to claim 1, characterized in that the closure member (1) is rotatably arranged in a receiving cavity of the housing (12).

3. The hole measuring device of claim 1, further comprising:

an adjustment device having a drive rod (17); the driving rod (17) is connected with the shell (12) in a rotating and sealing mode, and one end of the driving rod is connected with the plugging piece (1).

4. A hole measuring device according to claim 3, wherein the closure (1) is of spherical type; the blocking part (2) has a blocking end which protrudes beyond the surface of the blocking piece (1).

5. A hole measuring device according to claim 3, characterized in that said casing (12) is provided with a slotted hole (14); the driving rod (17) is arranged in the slotted hole (14) in a sliding manner.

6. The hole measuring device of claim 5, further comprising:

one end of the elastic piece (19) is connected with the driving rod (17), and the other end of the elastic piece is connected with the shell (12); the elastic piece (19) is provided with a driving force for driving the plugging piece (1) to abut against the hole of the test hole (13).

7. A hole measuring device according to claim 5, characterized in that a sealing assembly is provided on the driving rod (17), said sealing assembly having two sealing balls (15), said two sealing balls (15) being respectively arranged on both sides of a slotted hole (14) of the housing (12).

8. A hole measuring device according to claim 1, characterized in that the housing (12) is connected to the pipe opening by means of bolts (21).

9. A hole measuring device according to claim 3, characterized in that the end of the driving rod (17) remote from the closure member is provided with a handle (18).

10. A hole measuring device according to claim 1, characterized in that the material of the closure (1) is stainless steel.