CN201716049U - Servo valve sheet-shaped orifice testing clamp - Google Patents
Servo valve sheet-shaped orifice testing clamp Download PDFInfo
- Publication number
- CN201716049U CN201716049U CN2010202276282U CN201020227628U CN201716049U CN 201716049 U CN201716049 U CN 201716049U CN 2010202276282 U CN2010202276282 U CN 2010202276282U CN 201020227628 U CN201020227628 U CN 201020227628U CN 201716049 U CN201716049 U CN 201716049U
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- throttle orifice
- pedestal
- construction section
- blind hole
- blind
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Abstract
The utility model relates to a testing technology, which relates to a servo valve sheet-shaped orifice testing clamp, comprising a base seat (1), an orifice seat (2), a pressing plate (3), and two screws (4). The utility model is characterized in that a blind hole (1g) is disposed at the left side of the base seat (1); a convex circular boss (1h) is disposed at the center of the blind hole (1g); an oil return port (1a) and an oil inlet (1c) are disposed at the lower surface of the base seat (1); an orifice seat (2) consists of an orifice installation portion (2a) and a handle portion (2b); an orifice installation blind hole is disposed at the center of the right end face of the orifice installation portion (2a) which is disposed in the blind hole (1g) of the base seat (1). The utility model has advantages of being suitable for testing a servo valve sheet-shaped orifice; resolving the testing problem of the flow quantity of a sheet-shaped orifice.
Description
Technical field
The utility model belongs to measuring technology, relates to a kind of servo-valve sheet throttle orifice test fixture.
Background technology
The structure of sheet throttle orifice that is used for servo-valve is referring to Fig. 1, and it is a disk, at the center of disk aperture is arranged, and the right output port of this aperture has hydraucone.This sheet throttle orifice is a kind of throttle orifice of new construction, is not suitable for the test fixture of sheet throttle orifice at present.
Summary of the invention
The purpose of this utility model is: propose a kind of servo-valve sheet throttle orifice test fixture, to solve the flow rate test problem of chip throttle orifice.
The technical solution of the utility model is: servo-valve sheet throttle orifice test fixture, it is characterized in that it is made up of pedestal, throttle orifice seat, pressing plate and two screws,
(1) pedestal is a rectangular hexahedron, a blind hole is arranged on the left surface of pedestal, there is the round boss of a projection at the center at the bottom of the hole of blind hole, oil return opening and oil-in are arranged on the lower surface of pedestal, the oil return O-ring seal is arranged in oil return opening, the oil-feed O-ring seal is arranged in oil-in, an in-line is arranged in the inside of pedestal, the lower port of in-line is communicated with oil-in, the upper port of in-line is positioned at the center of the round boss end face at the bottom of the blind hole hole, an oil return line is arranged in the inside of pedestal, the lower port of oil return line is communicated with oil return opening, and respectively there is a tapped blind hole both sides, front and back of blind hole on the pedestal left surface, and the line of centres of two tapped blind holes is positioned at the top at blind hole center, two tapped blind holes equate with the centre distance of blind hole, in 4 jiaos of dormant bolt holes that a perforation upper and lower surface is respectively arranged of pedestal upper surface;
(2) the throttle orifice seat is a step axle, the right section that throttle orifice seat diameter is big is the throttle orifice construction section, the left side section that throttle orifice seat diameter is little is means, at the center, right side of throttle orifice construction section a throttle orifice installing blind is arranged, there is a ring groove at middle part, the face of cylinder at the throttle orifice construction section, a ring groove inner gateway is arranged in the inside of throttle orifice construction section, the ring groove inner gateway connects the bottom land up and down of ring groove along the diameter of throttle orifice construction section, a throttle orifice installing blind inner gateway is arranged in the inside of throttle orifice construction section, the right output port of throttle orifice installing blind inner gateway is positioned at center at the bottom of the hole of throttle orifice installing blind, the left port of throttle orifice installing blind inner gateway is communicated with the ring groove inner gateway, on the face of cylinder of throttle orifice construction section, ring groove a seal groove each side arranged, throttle orifice construction section O-ring seal is installed in the above-mentioned seal groove, the throttle orifice construction section be positioned at pedestal 1 blind hole and with the blind hole clearance fit, the upper port of the oil return line of base interior is communicated with ring groove on the throttle orifice construction section;
(3) pressing plate is a rectangular slab, there is a U-lag that Open Side Down at lower limb middle part at pressing plate, in the both sides of U-lag a through hole is arranged respectively, the position of two through holes is corresponding with two tapped blind holes on the pedestal left surface, two screws pass respectively in two tapped blind holes that are screwed into behind above-mentioned two through holes on the pedestal left surface, at this moment, the handle section of throttle orifice seat is arranged in the U-lag of pressing plate, and the right flank of pressing plate is pressed on the step end face of throttle orifice seat.
The utility model has the advantages that: be applicable to test servo-valve sheet throttle orifice, solved the test problem of chip throttle orifice flow.
Description of drawings
Fig. 1 is the structural representation of servo-valve sheet throttle orifice.
Fig. 2 is a structural representation of the present utility model.
Embodiment
Below the utility model is described in further details.Referring to Fig. 2, servo-valve sheet throttle orifice test fixture is characterized in that, it is made up of pedestal 1, throttle orifice seat 2, pressing plate 3 and two screws 4, and direction is stipulated among Fig. 2 for convenience of explanation, direction is the rear in the paper, and paper the place ahead is to being the place ahead, and direction is constant up and down.
(1) pedestal 1 is a rectangular hexahedron, a blind hole 1g is arranged on the left surface of pedestal 1, there is the round boss 1h of a projection at the center at the bottom of the hole of blind hole 1g, oil return opening 1a and oil-in 1c are arranged on the lower surface of pedestal 1, oil return O-ring seal 1b is arranged in oil return opening 1a, oil-feed O-ring seal 1d is arranged in oil-in 1c, an in-line 1f is arranged in the inside of pedestal 1, the lower port of in-line 1f is communicated with oil-in 1c, the upper port of in-line 1f is positioned at the center of the round boss 1h end face at the bottom of the blind hole 1g hole, an oil return line 1e is arranged in the inside of pedestal 1, the lower port of oil return line 1e is communicated with oil return opening 1a, respectively there is a tapped blind hole both sides, front and back of blind hole 1g on pedestal 1 left surface, the line of centres of two tapped blind holes is positioned at the top at blind hole 1g center, two tapped blind holes equate with the centre distance of blind hole 1g, in 4 jiaos of dormant bolt holes that a perforation upper and lower surface is respectively arranged of pedestal 1 upper surface;
(2) throttle orifice seat 2 is step axles, the right section that throttle orifice seat 2 diameters are big is throttle orifice construction section 2a, the left side section that throttle orifice seat 2 diameters are little is means 2b, at the center, right side of throttle orifice construction section 2a a throttle orifice installing blind is arranged, there is a ring groove 2c at middle part, the face of cylinder at throttle orifice construction section 2a, a ring groove inner gateway 2e is arranged in the inside of throttle orifice construction section 2a, ring groove inner gateway 2e connects the bottom land up and down of ring groove 2c along the diameter of throttle orifice construction section 2a, a throttle orifice installing blind inner gateway 2f is arranged in the inside of throttle orifice construction section 2a, the right output port of throttle orifice installing blind inner gateway 2f is positioned at center at the bottom of the hole of throttle orifice installing blind, the left port of throttle orifice installing blind inner gateway 2f is communicated with ring groove inner gateway 2e, on the face of cylinder of throttle orifice construction section 2a, ring groove 2c each side has a seal groove, throttle orifice construction section O-ring seal 2d is installed in the above-mentioned seal groove, throttle orifice construction section 2a be positioned at pedestal 1 blind hole 1g and with blind hole 1g clearance fit, the upper port of the oil return line 1e of pedestal 1 inside is communicated with ring groove 2c on the throttle orifice construction section 2a;
(3) pressing plate 3 is rectangular slabs, there is a U-lag that Open Side Down at lower limb middle part at pressing plate 3, in the both sides of U-lag a through hole is arranged respectively, the position of two through holes is corresponding with two tapped blind holes on pedestal 1 left surface, two screws 4 pass respectively in two tapped blind holes that are screwed into behind above-mentioned two through holes on pedestal 1 left surface, at this moment, the U-lag that means 2b is arranged in pressing plate 3 of throttle orifice seat 2, the right flank of pressing plate 3 is pressed on the step end face of throttle orifice seat 2.
Using method of the present utility model is: the pedestal 1 of test fixture is contained on the testing table, and the advancing of pedestal 1, oil return opening dock with the advancing of testing table, oil return opening respectively.Tested sheet throttle orifice is put into the throttle orifice installing blind of throttle orifice construction section 2a, the hydraucone of tested throttle orifice to the right, then throttle orifice construction section 2a is inserted in the blind hole 1g of pedestal 1, the right flank of tested throttle orifice and the round boss 1h in the blind hole 1g are adjacent to, compress pressing plate 3 and tighten screw 4, can carry out the throttle orifice flow measurement.After measuring end, unclamp pressing plate 3, extract throttle orifice construction section 2a out and can unload the sheet throttle orifice.
Claims (1)
1. servo-valve sheet throttle orifice test fixture is characterized in that, it is made up of pedestal [1], throttle orifice seat [2], pressing plate [3] and two screws [4],
(1) pedestal [1] is a rectangular hexahedron, a blind hole [1g] is arranged on the left surface of pedestal [1], there is the round boss [1h] of a projection at the center at the bottom of the hole of blind hole [1g], oil return opening [1a] and oil-in [1c] are arranged on the lower surface of pedestal [1], oil return O-ring seal [1b] is arranged in oil return opening [1a], oil-feed O-ring seal [1d] is arranged in oil-in [1c], in the inside of pedestal [1] in-line [1f] is arranged, the lower port of in-line [1f] is communicated with oil-in [1c], the upper port of in-line [1f] is positioned at the center of round boss [1h] end face at the bottom of blind hole [1g] hole, in the inside of pedestal [1] oil return line [1e] is arranged, the lower port of oil return line [1e] is communicated with oil return opening [1a], respectively there is a tapped blind hole both sides, front and back of blind hole [1g] on pedestal [1] left surface, the line of centres of two tapped blind holes is positioned at the top at blind hole [1g] center, two tapped blind holes equate with the centre distance of blind hole [1g], in 4 jiaos of dormant bolt holes that a perforation upper and lower surface is respectively arranged of pedestal [1] upper surface;
(2) throttle orifice seat [2] is a step axle, the right section that throttle orifice seat [2] diameter is big is throttle orifice construction section [2a], the left side section that throttle orifice seat [2] diameter is little is means [2b], at the center, right side of throttle orifice construction section [2a] a throttle orifice installing blind is arranged, there is a ring groove [2c] at middle part, the face of cylinder at throttle orifice construction section [2a], in the inside of throttle orifice construction section [2a] a ring groove inner gateway [2e] is arranged, ring groove inner gateway [2e] connects the bottom land up and down of ring groove [2c] along the diameter of throttle orifice construction section [2a], in the inside of throttle orifice construction section [2a] a throttle orifice installing blind inner gateway [2f] is arranged, the right output port of throttle orifice installing blind inner gateway [2f] is positioned at center at the bottom of the hole of throttle orifice installing blind, the left port of throttle orifice installing blind inner gateway [2f] is communicated with ring groove inner gateway [2e], on the face of cylinder of throttle orifice construction section [2a], ring groove [2c] a seal groove each side arranged, throttle orifice construction section O-ring seal [2d] is installed in the above-mentioned seal groove, throttle orifice construction section [2a] be positioned at pedestal [1] blind hole [1g] and with blind hole [1g] clearance fit, the upper port of the oil return line [1e] that pedestal [1] is inner is communicated with the ring groove [2c] on the throttle orifice construction section [2a];
(3) pressing plate [3] is a rectangular slab, there is a U-lag that Open Side Down at lower limb middle part at pressing plate [3], in the both sides of U-lag a through hole is arranged respectively, the position of two through holes is corresponding with two tapped blind holes on pedestal [1] left surface, two screws [4] pass respectively in two tapped blind holes that are screwed into behind above-mentioned two through holes on pedestal [1] left surface, at this moment, the U-lag that means [2b] is arranged in pressing plate [3] of throttle orifice seat [2], the right flank of pressing plate [3] is pressed on the step end face of throttle orifice seat [2].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202276282U CN201716049U (en) | 2010-06-18 | 2010-06-18 | Servo valve sheet-shaped orifice testing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202276282U CN201716049U (en) | 2010-06-18 | 2010-06-18 | Servo valve sheet-shaped orifice testing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201716049U true CN201716049U (en) | 2011-01-19 |
Family
ID=43462053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202276282U Expired - Fee Related CN201716049U (en) | 2010-06-18 | 2010-06-18 | Servo valve sheet-shaped orifice testing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201716049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074933A (en) * | 2021-03-18 | 2021-07-06 | 深圳市特种设备安全检验研究院 | Safety valve discharge capacity testing device and method |
-
2010
- 2010-06-18 CN CN2010202276282U patent/CN201716049U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074933A (en) * | 2021-03-18 | 2021-07-06 | 深圳市特种设备安全检验研究院 | Safety valve discharge capacity testing device and method |
| CN113074933B (en) * | 2021-03-18 | 2024-05-03 | 深圳市质量安全检验检测研究院 | Safety valve displacement testing device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20170618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |