CN210953251U - Radial hole pressure test device - Google Patents

Radial hole pressure test device Download PDF

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Publication number
CN210953251U
CN210953251U CN201922130479.1U CN201922130479U CN210953251U CN 210953251 U CN210953251 U CN 210953251U CN 201922130479 U CN201922130479 U CN 201922130479U CN 210953251 U CN210953251 U CN 210953251U
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CN
China
Prior art keywords
air inlet
pressure test
radial
assembly
air
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Active
Application number
CN201922130479.1U
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Chinese (zh)
Inventor
张�成
雷娇娇
张晓威
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Shannxi Diesel Engine Heavy Industry Co Ltd
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Shannxi Diesel Engine Heavy Industry Co Ltd
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Priority to CN201922130479.1U priority Critical patent/CN210953251U/en
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Abstract

The utility model discloses a radial hole pressure test device, which comprises a welding frame, an air inlet assembly connected with one side of the welding frame, and a fixing assembly connected with the other side of the welding frame, wherein the air inlet assembly comprises an air inlet joint, an air inlet pressing block and a first sealing ring, and the air inlet assembly is connected with a radial air passage of a gas distribution shaft; the fixing assembly comprises a bolt, a fastening pressing block and a second sealing ring, and acts on the journal surface of the gas distribution shaft. The utility model discloses can realize that radial blind hole or through-hole admit air or the sealed of oil or water, the utility model discloses simple structure, processing low in manufacturing cost, simple to operate, commonality and security are good, easily promote.

Description

Radial hole pressure test device
Technical Field
The utility model relates to a pressure test field specifically relates to a radial hole pressure test device.
Background
The gas distribution shaft is one of key parts on a large clutch system for a certain ship, a radial gas passage for control is designed on the gas distribution shaft, and in order to ensure the tightness of a gas path of the gas distribution shaft, a tightness test needs to be carried out on the gas path (the test pressure is 2.5MPa, the pressure is maintained for 24 hours, and the pressure drop is less than or equal to 0.01 MPa).
In the prior art, after the gas distribution shaft is connected with system parts such as a clutch and the like, the radial gas holes of the gas distribution shaft are communicated with the parts on the system to form a through gas path, the whole system is subjected to a tightness test, and once the test fails, reasons of all parts need to be analyzed, so that the process is complex and the efficiency is low.
During the air distribution shaft sealing performance test, the axial orifices are sealed by product screw plugs, but the radial air hole orifices are all on the circular arc surface of the air distribution shaft journal, threaded holes are not designed on the orifices, threaded holes which can be attached to a test device are not designed on the periphery of the orifices, and the scheme of designing a universal pressure test connector, a plug, a transition flange and the like cannot be implemented.
After the gas distribution shaft is connected with the system parts, tens of parts need to be repeatedly disassembled and assembled, the pressure test is unqualified, leakage of each part of the system needs to be discharged one by one, finally, the gas path tightness of the gas distribution shaft needs to be confirmed, the operation is complex, the process is long, the efficiency is low, and the mass production of the product is not facilitated.
A pressure test scheme is used for sealing an oil hole or a water hole on an arc surface or a curved surface and is characterized by comprising a rubber ring arranged at one end of a mandrel, wherein the mandrel is inserted into the oil hole or the water hole, a supporting sleeve in contact with the rubber ring is arranged on the mandrel, a nut is arranged at the tail of the supporting sleeve, and the supporting sleeve and the nut are screwed relatively. The device accessible extrusion rubber circle, only can seal the oilhole or the water hole that aperture and pressure are less, can not the oil feed or water, require pore wall processing situation good moreover, and to the distribution shaft control gas circuit, test pressure is great, and the gas tightness requires highly, use this scheme sealed, easily exist because of the sealed bad or inefficacy that the rubber circle selection is not good, pore wall unevenness etc. leads to there is the mandrel because of the great potential safety hazard that the inefficacy fled out of pressure.
Therefore, a set of device capable of performing pressure test on the air passage of the air distribution shaft body is urgently needed to be designed.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
The utility model provides a radial hole pressure test device, can realize that radial blind hole or through-hole admit air (or oil, water), seal, the utility model discloses simple structure, processing low in manufacturing cost, simple to operate, commonality and security are good, easily promote.
To achieve these objects and other advantages in accordance with the purpose of the invention, a radial hole pressure test device is provided, including: a welding frame for fastening and hoisting can adjust the posture and position of a pressure test device to ensure that orifices are aligned, one side of the welding frame is fastened on a journal surface of a radial orifice of a gas distribution shaft by an air inlet press block and a first sealing ring, the end head of the air inlet press block is provided with an air inlet joint and a flat gasket and can be connected with an external universal pressure test component (comprising a press machine, a pressure pipeline, a joint, a valve, a pressure gauge and the like) in series, the other side of the welding frame is fastened on the journal surface of the gas distribution shaft by a fastening press block and a second sealing ring (such as a radial blind hole which is fastened on the journal surface and used for reverse fastening; such as a radial through hole which is fastened on the journal surface of the radial orifice of the other side and used for sealing the orifices and reverse fastening), a fastening bolt which is connected on the welding frame through threads is abutted against a groove of the fastening press block, all parts of the device can be ensured to, the locking pressure testing device realizes the tightness test of the air passage of the distribution shaft
The utility model has the advantages that:
1. the utility model discloses be suitable for the oil, water, the atmospheric pressure test of all kinds of radial holes.
2. The utility model discloses the leakproofness is good, and the pressure-bearing is high, stable in structure, reliable, the security is strong.
3. The utility model discloses simple structure, processing low in manufacturing cost, simple to operate accomplishes the installation about 3 ~ 5 minutes through the use verification.
4. The utility model discloses the commonality is good, and batch production cost is lower, has more extensive application and better spreading value.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of one embodiment of the present invention.
Fig. 2 is a schematic structural view of a welding stand according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an intake briquetting according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a fastening press block according to an embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
The terms "first" and "second" and the like in the description and claims of the embodiments of the present invention are used for distinguishing different objects, not for describing a specific order of the objects.
The utility model provides a radial hole 10 pressure test device utilizes air intake assembly and fixed subassembly to treat the distribution axle 9 that detects and sticiss, through extrusion rubber circle pad, locks the pressure testing device, realizes the leakproofness test of distribution axle 9 air flues.
The positioning fixture provided by the present invention will be further described in detail through specific embodiments and application scenarios thereof with reference to the accompanying drawings.
As shown in fig. 1, 3 and 4, the gas distribution device comprises a welding frame 1, a gas inlet assembly connected with one side of the welding frame 1, and a fixing assembly connected with the other side of the welding frame 1, wherein the gas inlet assembly comprises a gas inlet connector 2, a gas inlet pressing block 4 and a first sealing ring 5, and the gas inlet assembly is connected with a radial gas passage of a gas distribution shaft 9; the fixing component comprises a bolt 8, a fastening pressing block 7 and a second sealing ring 6, and acts on the journal surface of the gas distribution shaft 9.
It can be understood that the radial blind hole is fastened on the journal surface and used for reverse fastening; such as radial through hole, fastened on the journal surface of radial hole on the other side, and used for sealing the hole and reversely fastening.
As shown in fig. 2, in the embodiment of the present invention, optionally, the welding stand 1 includes a hanging plate 11, a bottom plate 12, two wing plates 13, and two side plates 14; the hanger plate 11, the bottom plate 12, the wing plate 13 and the side plate 14 are all connected by welding.
It can be understood that, in the embodiment of the present invention, the upper end of the side plate 14 is provided with a through hole for installing the air intake assembly and the fixing assembly, so as to install the air intake assembly and the fixing assembly, and facilitate the subsequent tightness detection of the air distribution shaft 9.
It can be understood that in order to make the bolt 8 compress tightly each part better, need be equipped with corresponding screw thread in the through-hole, in the embodiment of the utility model discloses an in the inside first internal thread that is equipped with of through-hole of fixed subassembly.
Optionally, in order to reduce the wear of the air intake assembly in actual use, a buffer needs to be placed between the air intake joint 2 and the air intake pressure block 4, in an embodiment of the present invention, the air intake assembly further includes a flat gasket 3, and the flat gasket 3 is used between the air intake joint 2 and the air intake pressure block 4.
Optionally, the plain washer 3 is different kinds of metal cladding class gasket, can have different environment and operation requirement very much and select different kinds of gasket, in the utility model discloses an embodiment, the plain washer 3 adopts the red copper gasket that 2-3mm is thick.
It can be understood, in order to ensure to carry out leakproofness to distribution shaft 9 and detect time measuring atmospheric pressure, then need guarantee the leakproofness of the subassembly that admits air the utility model discloses an in the embodiment, 2 surfaces of admission connector are equipped with the external screw thread, admit air briquetting 4 and 2 coupling parts's of admission connector inboard be equipped with the second internal thread that the external screw thread matches is guaranteed through the form of screw thread tightening the leakproofness of subassembly that admits air.
Optionally, in order to avoid bolt 8 when sticising, fastening briquetting 7 displacement, the embodiment of the utility model discloses one side of fastening briquetting 7 is equipped with the recess that is used for the directional tightening of bolt 8.
Optionally, the first sealing ring 5 and the second sealing ring 6 are nitrile rubber rings with the thickness of 3-5mm, the pad has good oil resistance, water resistance, solvent resistance and high-pressure oil resistance, and has good compressibility, wear resistance and elongation force.
Optionally, the bolt 8 is a fine thread with a hexagonal structure, and the top end of the bolt 8 is in an arc structure.
The utility model discloses an in the embodiment, distribution shaft 9 carries out leakproofness and examines time measuring, need be through the external pressure test subassembly of subassembly that admits air, the pressure test subassembly includes press, pressure line, joint, valve, manometer etc..
The utility model discloses an among the global design structure, exert a radial fastening power through holding bolt 8, the extrusion rubber circle can be effectively with test device and distribution axle 9 locking, accomplishes pressure test, and preferred welding frame 1 is 0.2 ~ 0.5mm clearance fit with briquetting 4 admits air.
In the overall design structure of the utility model, the welding frame 1 preferably selects the equal-thickness plate of Q235A GB/T700-2006, the fillet welding is spliced, the hanging plate 11, the bottom plate 12, the wing plate 13 and the side plate 14 are arranged, the wing plate 13 and the hanging plate 11 reinforce the overall structure of the welding frame 1, the welding frame 1 is ensured to have enough strength and rigidity, the post-welding stress relief annealing and crack detection are carried out, and the stable and reliable structure of the welding frame 1 is ensured; processing a unthreaded hole for installing the air inlet pressing block 4 and a threaded hole for installing the fastening bolt 8 after welding, and ensuring the position precision of the hole; lifting holes are designed on the lifting plate 11, so that the pressure testing device can be lifted and adjusted conveniently.
The utility model discloses an among the global design structure, the briquetting 4 of admitting air, design screw hole erection joint body, the whole square structure that is equal length of side L of the preferred briquetting 4 of admitting air, design R240 circular arc is concentric with distribution shaft 9, guarantees to paste tightly, the compaction.
The utility model discloses an among the global design structure, tightly decide the briquetting, design diameter D3's recess for tightly decide the directional tightening of bolt 8, the preferred square structure that tightly decides the whole equilateral long L that is of briquetting, design R240 circular arc is concentric with distribution shaft 9, guarantees to paste tightly, the compaction.
While embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (9)

1. A radial hole pressure test device is characterized by comprising a welding frame, an air inlet assembly connected with one side of the welding frame, and a fixing assembly connected with the other side of the welding frame,
wherein the content of the first and second substances,
the air inlet assembly comprises an air inlet joint, an air inlet pressing block and a first sealing ring, and the air inlet assembly is connected with the radial air passage of the air distribution shaft;
the fixing assembly comprises a bolt, a fastening pressing block and a second sealing ring, and acts on the journal surface of the gas distribution shaft.
2. The radial hole pressure test device of claim 1, wherein the welding frame comprises a hanger plate, a bottom plate, two wing plates and two side plates;
the hanger plate, the bottom plate, the wing plate and the side plate are all connected in a welding mode.
3. A radial bore pressure test apparatus as claimed in claim 2, wherein said side plate has through holes at its upper end for mounting said air intake assembly and said mounting assembly.
4. A radial bore pressure test apparatus according to claim 3, wherein a first internal thread is provided for the interior of said anchor assembly through bore.
5. A radial bore pressure test apparatus as claimed in claim 1, wherein said air inlet assembly further comprises a flat washer, said flat washer being used between said air inlet fitting and said air inlet pressure block.
6. The radial hole pressure test device of claim 1, wherein the outer surface of the air inlet joint is provided with an external thread, and the inner side of the connecting part of the air inlet pressure block and the air inlet joint is provided with a second internal thread matched with the external thread.
7. A radial bore pressure test apparatus as claimed in claim 1, wherein one side of the tightening block is provided with a recess for the directional tightening of the bolt.
8. A radial bore pressure test apparatus as claimed in claim 1, wherein the first and second seal rings are resilient rubber rings.
9. A radial bore pressure test apparatus as claimed in claim 1, wherein the bolt is a fine full thread of hexagonal structure, and the top of the bolt is a circular arc structure.
CN201922130479.1U 2019-12-03 2019-12-03 Radial hole pressure test device Active CN210953251U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922130479.1U CN210953251U (en) 2019-12-03 2019-12-03 Radial hole pressure test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922130479.1U CN210953251U (en) 2019-12-03 2019-12-03 Radial hole pressure test device

Publications (1)

Publication Number Publication Date
CN210953251U true CN210953251U (en) 2020-07-07

Family

ID=71395548

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922130479.1U Active CN210953251U (en) 2019-12-03 2019-12-03 Radial hole pressure test device

Country Status (1)

Country Link
CN (1) CN210953251U (en)

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