CN108956035A - A kind of device for suppressing leak test for shell - Google Patents

A kind of device for suppressing leak test for shell Download PDF

Info

Publication number
CN108956035A
CN108956035A CN201810785173.7A CN201810785173A CN108956035A CN 108956035 A CN108956035 A CN 108956035A CN 201810785173 A CN201810785173 A CN 201810785173A CN 108956035 A CN108956035 A CN 108956035A
Authority
CN
China
Prior art keywords
supporting plate
strut
side wall
fixedly connected
vertical bar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810785173.7A
Other languages
Chinese (zh)
Inventor
赵笑妍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810785173.7A priority Critical patent/CN108956035A/en
Publication of CN108956035A publication Critical patent/CN108956035A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/06Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
    • G01M3/08Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
    • G01M3/085Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for pipe joints or seals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention discloses a kind of devices that leak test is suppressed for shell, including detection slot, the opposite sliding slot that is open is equipped on the two sides side wall of the detection slot, and two sliding slots are vertically arranged, fixed link is equipped in two sliding slots, horizontally disposed first supporting plate is equipped in the detection slot, and first the both ends of supporting plate be slidably located in two fixed links respectively, first supporting plate is connected by two symmetrically arranged telescopic sleeving rods and the bottom wall of detection slot, first supporting plate is equipped with installation cavity, first supporting plate is equipped with the vertical bar being vertically arranged, one end of the vertical bar is arranged through the side side wall of the first supporting plate, and the other end of vertical bar is connected with clamping device, symmetrically arranged first bull stick there are two being set in the installation cavity, and two the first bull sticks are divided into positioned at the two sides of vertical bar.The present invention can steadily clamp shell, and shell can be made gradually to submerge detection liquid, convenient for judging the position leaked on shell.

Description

A kind of device for suppressing leak test for shell
Technical field
The present invention relates to shell detection technique field more particularly to a kind of devices that leak test is suppressed for shell.
Background technique
Bulge test be judge water pipe line connection whether one of reliable common method.It to be examined one by one when pressure testing Connector, interior Threaded Connector Coupling are looked into, plug cannot all have infiltration, otherwise just will have a direct impact on the indicator of pressure tester.Bulge test is a kind of Shell is tested with the presence or absence of the means of leakage, shell needs to be suppressed after mounting, guarantees ne-leakage phenomenon, but practical in production In shell leakage problems when often suppressing, it is therefore desirable to using it is a kind of for shell suppress the device of leak test come to shell into Row test.
Summary of the invention
The purpose of the present invention is to solve problems of the prior art, and the one kind proposed suppresses examination for shell The device of leakage.
To achieve the goals above, present invention employs following technical solutions:
A kind of device for suppressing leak test for shell, including detection slot are equipped with out on the two sides side wall of the detection slot The opposite sliding slot of mouth, and two sliding slots are vertically arranged, and fixed link is equipped in two sliding slots, is set in the detection slot There is horizontally disposed first supporting plate, and the both ends of the first supporting plate are slidably located in respectively in two fixed links, first supporting plate It being connected by two symmetrically arranged telescopic sleeving rods and the bottom wall of detection slot, first supporting plate is equipped with installation cavity, and described the One supporting plate is equipped with the vertical bar being vertically arranged, and one end of the vertical bar is arranged through the side side wall of the first supporting plate, and vertical bar The other end is connected with clamping device, is set in the installation cavity there are two symmetrically arranged first bull stick, and two the first bull sticks point For the side side wall setting for running through the first supporting plate positioned at one end of the two sides of vertical bar, two first bull sticks, and two the The other end of one bull stick is respectively connected with first gear, and the two sides side wall of the vertical bar is equipped be engaged with first gear One tooth socket, the clamping device include horizontally disposed second supporting plate and the third supporting plate being vertically arranged, the 4th supporting plate, and described The upper end of two supporting plates is fixedly connected with the lower end of vertical bar, and the third supporting plate is fixedly connected with the side side wall of the second supporting plate, and 4th supporting plate is slidably connected with the second supporting plate, and horizontally disposed threaded rod, institute are equipped between the third supporting plate and the 4th supporting plate The side side wall of one end and third supporting plate for stating threaded rod is rotatablely connected, and the other end of threaded rod runs through the side of the 4th supporting plate Side wall is simultaneously threadedly coupled with the 4th supporting plate.
Preferably, two telescopic sleeving rods include the first strut and the second strut, the upper end of second strut with The lower end of first supporting plate is fixedly connected, and the lower end of first strut is fixedly connected with the bottom wall of detection slot, first strut For hollow structure, and the second strut is plugged in the first strut, and second strut passes through the bottom of buffer unit and the first strut Wall is fixedly connected, and the second bull stick is rotatably connected in first strut, one end of second bull stick is through the first strut Side side wall setting, and the other end of the second bull stick is fixedly connected with second gear, the side wall of second strut be equipped with The second tooth socket that second gear is engaged.
Preferably, the both ends of first supporting plate are equipped with the opposite mounting groove that is open, and on the bottom wall of two mounting grooves Mounting blocks are fixedly connected with by multiple first springs, are rotatably connected to pulley on two mounting blocks.
Preferably, the buffer unit includes fixed plate and slide plate, and passes through multiple second bullets between fixed plate and slide plate Spring is fixedly connected, and the upper side of the slide plate is fixedly connected with the lower end of the second strut, the two sides of the slide plate and the first supporting plate Inner wall is slidably connected, and fixed plate is fixedly connected with the bottom wall of the first strut.
Preferably, the side side wall of the 4th supporting plate is equipped with sliding lock block, and sliding lock block is arranged through threaded rod.
Preferably, the bottom wall of the detection slot is equipped with rubber antiskid pad.
It is had the beneficial effect that in the present invention:
In the present invention, it will test liquid and be added in detection slot, the shell for needing to suppress leak test is placed on third supporting plate and the Between four supporting plates, rotation threaded rod drives the 4th supporting plate to move on the second supporting plate, and cooperating third supporting plate and the 4th supporting plate will Shell clamps, and using sliding lock block by screw thread rod locking, rotates the second bull stick and is able to drive second gear rotation, and then adjusts the One supporting plate and detection groove bottom wall between relative distance, rotation the first bull stick drive first gear rotation, and then drive vertical bar to Lower movement enables the shell on clamping device gradually to submerge in detection liquid, carries out suppressing leak test detection, judges to leak on shell Position.The present invention can steadily clamp shell, and shell can be made gradually to submerge detection liquid, convenient for judgement The position leaked on shell.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for the device that leak test is suppressed for shell proposed by the present invention;
Fig. 2 is the structural schematic diagram in Fig. 1 at A;
Fig. 3 is the structural schematic diagram in Fig. 1 at B;
Fig. 4 is the structural schematic diagram in Fig. 1 at C.
In figure: 1 detection slot, 2 sliding slots, 3 fixed links, 4 first supporting plates, 5 sliding lock blocks, 6 installation cavitys, 7 vertical bars, 8 first turns Bar, 9 first gears, 10 mounting grooves, 11 first springs, 12 mounting blocks, 13 pulleys, 14 second supporting plates, 15 third supporting plates, 16 the 4th Supporting plate, 17 threaded rods, 18 first struts, 19 second struts, 20 second bull sticks, 21 second gears, 22 second springs, 23 slide plates, 24 fixed plates.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, a kind of device for suppressing leak test for shell, including detection slot 1, the bottom wall of detection slot 1 are equipped with Rubber antiskid pad, rubber antiskid pad can prevent detection slot 1 from sliding, and be equipped with opening phase on the two sides side wall of detection slot 1 Pair sliding slot 2, and two sliding slots 2 are vertically arranged, and fixed link 3 is equipped in two sliding slots 2, is equipped with level in detection slot 1 The first supporting plate 4 being arranged, and the both ends of the first supporting plate 4 are slidably located in respectively in two fixed links 3, the first supporting plate 4 passes through two A symmetrically arranged telescopic sleeving rod is connect with the bottom wall of detection slot 1, and the both ends of the first supporting plate 4 are equipped with the opposite mounting groove that is open 10, and mounting blocks 12, two mounting blocks 12 are fixedly connected with by multiple first springs 11 on the bottom wall of two mounting grooves 10 On be rotatably connected to pulley 13, pulley 13 can slide on the bottom wall of sliding slot 2, make the motion state of the first supporting plate 4 more Stablize;
Two telescopic sleeving rods include the first strut 18 and the second strut 19, the upper end of the second strut 19 and the first supporting plate 4 Lower end be fixedly connected, the lower end of the first strut 18 is fixedly connected with the bottom wall of detection slot 1, the first strut 18 be hollow structure, And second strut 19 be plugged in the first strut 18, the fixed company of bottom wall that the second strut 19 passes through buffer unit and the first strut 18 It connects, buffer unit includes fixed plate 24 and slide plate 23, and fixed by multiple second springs 24 between fixed plate 24 and slide plate 23 Connection, the upper side of slide plate 23 are fixedly connected with the lower end of the second strut 19, and the two sides inner wall of slide plate 23 and the first supporting plate 18 is sliding Dynamic connection, and fixed plate 24 is fixedly connected with the bottom wall of the first strut 18, and the second bull stick 20 is rotatably connected in the first strut 18, One end of second bull stick 20 is arranged through the side side wall of the first strut 18, and the other end of the second bull stick 20 is fixedly connected with the Two gears 21, the side wall of the second strut 19 are equipped with the second tooth socket being engaged with second gear 21, rotate the second bull stick 20 It is able to drive the rotation of second gear 21, and then adjusts the relative distance between the first supporting plate 4 and 1 bottom wall of detection slot, fixed plate 24 With slide plate 23 under the cooperation of multiple second springs 24, make the second strut 19 being capable of Rapid reset after completing work;
First supporting plate 4 is equipped with installation cavity 6, and the first supporting plate 4 is equipped with the vertical bar 7 being vertically arranged, and one end of vertical bar 7 is run through The side side wall of first supporting plate 4 is arranged, and the other end of vertical bar 7 is connected with clamping device, sets that there are two symmetrically set in installation cavity 6 The first bull stick 8 set, and two the first bull sticks 8 divide to run through positioned at one end of the two sides of vertical bar 7, two the first bull sticks 8 The side side wall of one supporting plate 4 is arranged, and the other end of two the first bull sticks 8 is respectively connected with first gear 9, the two sides side of vertical bar 7 Wall is equipped with the first tooth socket being engaged with first gear 9, and the first bull stick 8 of rotation is rotated with moving gear 9, and then drives vertical bar 7 move downward, and the shell on clamping device is enable to submerge in detection liquid, carry out suppressing leak test detection;
Clamping device includes horizontally disposed second supporting plate 14 and the third supporting plate 15 being vertically arranged, the 4th supporting plate 16, and The upper end of two supporting plates 14 is fixedly connected with the lower end of vertical bar 7, and third supporting plate 15 is fixedly connected with the side side wall of the second supporting plate 14, And the 4th supporting plate 16 be slidably connected with the second supporting plate 14, between third supporting plate 15 and the 4th supporting plate 16 be equipped with horizontally disposed screw thread Bar 17, one end of threaded rod 17 and the side side wall of third supporting plate 15 are rotatablely connected, and the other end of threaded rod 17 runs through the 4th The side side wall of supporting plate 16 is simultaneously threadedly coupled with the 4th supporting plate 16, and the side side wall of the 4th supporting plate 16 is equipped with sliding lock block 5, and sliding Dynamic closing piece 5 is arranged through threaded rod 17, and the shell for needing to suppress leak test is placed between third supporting plate 15 and the 4th supporting plate 16, Rotation threaded rod 17 drives the 4th supporting plate 16 to move on the second supporting plate 14, cooperates third supporting plate 15 and the 4th supporting plate 16 by shell Body clamps, and sliding lock block 5 can lock threaded rod 17, guarantees the stabilization that third supporting plate 15 and the 4th supporting plate 16 clamp shell.
In the present invention, will test liquid be added detection slot 1 in, by the shell for needing to suppress leak test be placed on third supporting plate 15 and Between 4th supporting plate 16, rotation threaded rod 17 drives the 4th supporting plate 16 to move on the second supporting plate 14, makes third supporting plate 15 and the The cooperation of four supporting plates 16 clamps shell, is locked threaded rod 17 using sliding lock block 5, and the second bull stick 20 of rotation is able to drive second Gear 21 rotates, and then adjusts the relative distance between the first supporting plate 4 and 1 bottom wall of detection slot, and the first bull stick 8 of rotation drives first Gear 9 rotates, and then vertical bar 7 is driven to move downward, and so that the shell on clamping device is gradually submerged in detection liquid, is beaten Leak test detection is pressed, judges the position leaked on shell.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (6)

1. a kind of device for suppressing leak test for shell, including detection slot (1), which is characterized in that the two sides of the detection slot (1) It is equipped with the opposite sliding slot (2) that is open on side wall, and two sliding slots (2) are vertically arranged, is all provided in two sliding slots (2) Have fixed link (3), horizontally disposed first supporting plate (4), and the both ends difference of the first supporting plate (4) are equipped in the detection slot (1) It is slidably located on two fixed links (3), first supporting plate (4) passes through two symmetrically arranged telescopic sleeving rods and detection slot (1) bottom wall connection, first supporting plate (4) are equipped with installation cavity (6), and first supporting plate (4) is equipped with and is vertically arranged Vertical bar (7), side side wall of the one end of the vertical bar (7) through the first supporting plate (4) is arranged, and the other end connection of vertical bar (7) There is a clamping device, set that there are two symmetrically arranged first bull sticks (8) in the installation cavity (6), and two the first bull sticks (8) are divided into Positioned at the two sides of vertical bar (7), the side side wall setting of the first supporting plate (4) is run through in one end of two first bull sticks (8), and The other end of two the first bull sticks (8) is respectively connected with first gear (9), and the two sides side wall of the vertical bar (7) is equipped with and first The first tooth socket that gear (9) is engaged, the clamping device include horizontally disposed second supporting plate (14) and are vertically arranged The upper end of third supporting plate (15), the 4th supporting plate (16), second supporting plate (14) is fixedly connected with the lower end of vertical bar (7), described Third supporting plate (15) is fixedly connected with the side side wall of the second supporting plate (14), and the 4th supporting plate (16) and the second supporting plate (14) are slided Connection is equipped with horizontally disposed threaded rod (17) between the third supporting plate (15) and the 4th supporting plate (16), the threaded rod (17) the side side wall of one end and third supporting plate (15) is rotatablely connected, and the other end of threaded rod (17) runs through the 4th supporting plate (16) side side wall is simultaneously threadedly coupled with the 4th supporting plate (16).
2. a kind of device for suppressing leak test for shell according to claim 1, which is characterized in that two telescopics Bar includes the first strut (18) and the second strut (19), the lower end of the upper end and the first supporting plate (4) of second strut (19) It is fixedly connected, the lower end of first strut (18) is fixedly connected with the bottom wall of detection slot (1), during first strut (18) is Hollow structure, and the second strut (19) is plugged in the first strut (18), second strut (19) passes through buffer unit and first The bottom wall of strut (18) is fixedly connected, and is rotatably connected to the second bull stick (20) in first strut (18), second bull stick (20) side side wall of the one end through the first strut (18) is arranged, and the other end of the second bull stick (20) is fixedly connected with second Gear (21), the side wall of second strut (19) are equipped with the second tooth socket being engaged with second gear (21).
3. a kind of device for suppressing leak test for shell according to claim 1, which is characterized in that first supporting plate (4) both ends are equipped with the opposite mounting groove (10) that is open, and pass through multiple first springs on the bottom wall of two mounting grooves (10) (11) it is fixedly connected with mounting blocks (12), is rotatably connected to pulley (13) on two mounting blocks (12).
4. a kind of device for suppressing leak test for shell according to claim 2, which is characterized in that the buffer unit packet Fixed plate (24) and slide plate (23) are included, and are connected between fixed plate (24) and slide plate (23) by the way that multiple second springs (24) are fixed It connects, the upper side of the slide plate (23) is fixedly connected with the lower end of the second strut (19), the slide plate (23) and the first supporting plate (18) two sides inner wall is slidably connected, and fixed plate (24) is fixedly connected with the bottom wall of the first strut (18).
5. a kind of device for suppressing leak test for shell according to claim 1, which is characterized in that the 4th supporting plate (16) side side wall is equipped with sliding lock block (5), and sliding lock block (5) is arranged through threaded rod (17).
6. a kind of device for suppressing leak test for shell according to claim 1, which is characterized in that the detection slot (1) Bottom wall be equipped with rubber antiskid pad.
CN201810785173.7A 2018-07-17 2018-07-17 A kind of device for suppressing leak test for shell Pending CN108956035A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810785173.7A CN108956035A (en) 2018-07-17 2018-07-17 A kind of device for suppressing leak test for shell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810785173.7A CN108956035A (en) 2018-07-17 2018-07-17 A kind of device for suppressing leak test for shell

Publications (1)

Publication Number Publication Date
CN108956035A true CN108956035A (en) 2018-12-07

Family

ID=64481491

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810785173.7A Pending CN108956035A (en) 2018-07-17 2018-07-17 A kind of device for suppressing leak test for shell

Country Status (1)

Country Link
CN (1) CN108956035A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110118184A (en) * 2019-06-19 2019-08-13 徐州亚泰电机有限公司 A kind of drying type electric submersible pump with collaboration sealing system
CN111113298A (en) * 2019-12-28 2020-05-08 郭明旺 Fixing device is used in processing of stainless steel section bar convenient to operation
CN111637341A (en) * 2020-05-26 2020-09-08 南京林业大学 Intelligent function control device suitable for old people and home

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004101264A (en) * 2002-09-06 2004-04-02 Sumiko Stf Co Ltd Airtight inspection device and airtight inspection method
CN203519276U (en) * 2013-11-06 2014-04-02 广东出入境检验检疫局检验检疫技术中心 Airtight test machine
CN206019946U (en) * 2016-09-18 2017-03-15 湛江嘉诚科技服务有限公司 A kind of sheath air-tightness detection device
CN206038238U (en) * 2016-08-16 2017-03-22 十堰高明精密机械有限公司 Auto steering ware casing air -tight test platform
CN206556816U (en) * 2017-03-20 2017-10-13 马鞍山市峰达汽车部件有限公司 A kind of air-tightness detection device of the automobile hydraulic pump housing
CN107830834A (en) * 2017-12-26 2018-03-23 盐城市昇众鑫机械有限公司 A kind of high cubing of gasoline engine crankshaft taper
CN108168791A (en) * 2017-12-30 2018-06-15 东莞市天美新自动化设备有限公司 A kind of air-tightness detection device of automotive oil tank
CN108731882A (en) * 2018-04-25 2018-11-02 南京大雷科技有限公司 A kind of gas leak detection device of new energy car battery box cover

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004101264A (en) * 2002-09-06 2004-04-02 Sumiko Stf Co Ltd Airtight inspection device and airtight inspection method
CN203519276U (en) * 2013-11-06 2014-04-02 广东出入境检验检疫局检验检疫技术中心 Airtight test machine
CN206038238U (en) * 2016-08-16 2017-03-22 十堰高明精密机械有限公司 Auto steering ware casing air -tight test platform
CN206019946U (en) * 2016-09-18 2017-03-15 湛江嘉诚科技服务有限公司 A kind of sheath air-tightness detection device
CN206556816U (en) * 2017-03-20 2017-10-13 马鞍山市峰达汽车部件有限公司 A kind of air-tightness detection device of the automobile hydraulic pump housing
CN107830834A (en) * 2017-12-26 2018-03-23 盐城市昇众鑫机械有限公司 A kind of high cubing of gasoline engine crankshaft taper
CN108168791A (en) * 2017-12-30 2018-06-15 东莞市天美新自动化设备有限公司 A kind of air-tightness detection device of automotive oil tank
CN108731882A (en) * 2018-04-25 2018-11-02 南京大雷科技有限公司 A kind of gas leak detection device of new energy car battery box cover

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110118184A (en) * 2019-06-19 2019-08-13 徐州亚泰电机有限公司 A kind of drying type electric submersible pump with collaboration sealing system
CN111113298A (en) * 2019-12-28 2020-05-08 郭明旺 Fixing device is used in processing of stainless steel section bar convenient to operation
CN111637341A (en) * 2020-05-26 2020-09-08 南京林业大学 Intelligent function control device suitable for old people and home

Similar Documents

Publication Publication Date Title
CN108956035A (en) A kind of device for suppressing leak test for shell
CN210322458U (en) Sampling system for water quality detection and evaluation
CN113358501B (en) Strength testing device of steel pipe
CN108956298A (en) A kind of bulletproof halmet test device
CN208520524U (en) A kind of test integrated device of inertia for revolving body
CN209166989U (en) A kind of rock triaxial test rock sample push-off device
CN209043593U (en) A kind of screw valve detection platform
CN109030221A (en) A kind of electronic experimental provision for the anti-folding quality of cement
CN217879209U (en) Testing arrangement of outer blood compatibility of medical instrument halfbody for cardiovascular
CN109141748A (en) A kind of test integrated device of inertia
CN209166738U (en) A kind of underwater airtightness testing device
CN208206744U (en) A kind of metal parts Liquid Penetrant non-destructive testing permeability apparatus
CN207779734U (en) A kind of sampling equipment of Soil K+adsorption
CN220490269U (en) Clamp suitable for measuring plug pulling force of different bottles
CN210665743U (en) Test instrument for detecting alkali aggregate reaction in concrete engineering
CN108922334A (en) A kind of adjustable wide type photoelectric door physical synthesis experiment instrument
CN209166732U (en) A kind of elbow tester
CN220819416U (en) Valve pressure test detection device
CN219417003U (en) Mechanical detection device
CN205352826U (en) Film tensile test's draw gear
CN214836311U (en) High-temperature high-pressure filtration loss instrument for drilling leakage blocking slurry
CN221707114U (en) Building reinforcing steel bar tensile strength detection equipment
CN116678562B (en) Self-adaptive circulating water pump leakage testing device
CN118604395A (en) Chip conductivity test fixture
CN217716267U (en) Portable special equipment verifying attachment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20181207

RJ01 Rejection of invention patent application after publication