CN110763401A - Air tightness testing equipment convenient for cleaning internal parts for rail health maintenance - Google Patents

Air tightness testing equipment convenient for cleaning internal parts for rail health maintenance Download PDF

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Publication number
CN110763401A
CN110763401A CN201910985473.4A CN201910985473A CN110763401A CN 110763401 A CN110763401 A CN 110763401A CN 201910985473 A CN201910985473 A CN 201910985473A CN 110763401 A CN110763401 A CN 110763401A
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CN
China
Prior art keywords
gear
internal parts
cleaning
layer base
maintenance
Prior art date
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Pending
Application number
CN201910985473.4A
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Chinese (zh)
Inventor
邓君
路崧
龙建宇
张绍辉
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Dongguan University of Technology
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Dongguan University of Technology
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.)
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Publication date
Application filed by Dongguan University of Technology filed Critical Dongguan University of Technology
Priority to CN201910985473.4A priority Critical patent/CN110763401A/en
Publication of CN110763401A publication Critical patent/CN110763401A/en
Pending legal-status Critical Current

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    • 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

Abstract

The invention discloses an air tightness test device convenient for cleaning internal parts for rail health maintenance, which relates to the technical field of rail test devices, in particular to an air tightness test device convenient for cleaning internal parts for rail health maintenance, comprising a support base and a power control mechanism, wherein a main body shell is arranged above the support base, the power control mechanism is arranged above the main body shell and comprises a power gear, a rotating wheel, a transmission gear, a rotating shaft, a control gear and a threaded sleeve, the transmission gear is arranged on the left side and the right side of the power gear, the control gear is arranged on one side of the transmission gear, which is far away from the power gear, the air tightness test device convenient for cleaning internal parts for rail health maintenance is provided, the structure is increased, the service performance of the whole device is greatly improved, and the improved device is simpler and more convenient to use, the device is opened, closed and driven by the meshing of the gears, and the use requirements of people are effectively met.

Description

Air tightness testing equipment convenient for cleaning internal parts for rail health maintenance
Technical Field
The invention relates to the technical field of rail test equipment, in particular to air tightness test equipment convenient for cleaning internal parts for rail health maintenance.
Background
Railway tracks, in short rails, tracks, etc., for railway use, which cooperate with switches to allow the train to move without turning, are usually made up of two parallel rails fixed on sleepers, under which are ballast, rails made of steel, which can bear a greater weight than other materials, sleepers, or sleepers, which function to distribute the weight of the rails separately and to keep the rails fixed, maintaining the track pitch of the rails, generally, the bottom of the track is gravel-laid ballast, which is also called ballast, gravel or ballast bed, which provides the track with elastic and water-draining functions, and the rails can also be laid on concrete-laid bases or even embedded in concrete.
But the inside and outside structure of current test equipment is comparatively simple, and the practicality in the use is obvious not enough to general gas tightness test equipment uses convenient and fast inadequately, thereby influences equipment work efficiency to the material testing in-process, can not well satisfy shortcomings such as people's user demand.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the air tightness test equipment for rail health maintenance, which is convenient for cleaning internal parts, and solves the problems that the internal and external structures of the test equipment provided in the background technology are simpler, the practicability in the use process is obviously insufficient, and the common air tightness test equipment is not convenient and quick to use, so that the working efficiency of the equipment in the material detection process is influenced, the use requirements of people cannot be well met, and the like.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a rail is healthy to be maintained with gas tightness test equipment of interior part clearance of being convenient for, includes supporting pedestal and power control mechanism, the top of supporting pedestal is provided with main body cover, and main body cover's the left and right sides all is provided with guiding mechanism, main body cover's top is provided with power control mechanism, power control mechanism includes power gear, runner, drive gear, pivot, control gear and thread bush, and power gear's top is provided with the runner, power gear's the left and right sides all is provided with drive gear, and drive gear's inside is provided with the pivot, one side that drive gear kept away from power gear is provided with control gear, and control gear's inside is provided with the thread bush.
Optionally, the supporting base includes lower floor's base, composite rubber pad, pressure-bearing spring, pressure-bearing seat, upper base and universal wheel, and the below of lower floor's base is provided with the universal wheel, the top of lower floor's base is provided with composite rubber pad, and composite rubber pad's the left and right sides all is provided with pressure-bearing spring, pressure-bearing spring's top is provided with the pressure-bearing seat, and the top of pressure-bearing seat is provided with upper base.
Optionally, the lower-layer base, the composite rubber pad and the upper-layer base are tightly attached to each other, the central axes of the lower-layer base, the composite rubber pad and the upper-layer base are overlapped with each other, and the upper-layer base forms an elastic structure through a pressure-bearing spring.
Optionally, the main body casing includes spacing seat, supporting shoe, shell body, top cap shell, rubber circle, sealing door and connection hinge, be provided with the shell body between the spacing seat, and the one side that the shell body was kept away from to spacing seat is provided with the supporting shoe, the upper end of shell body is provided with the rubber circle, and the top of rubber circle is provided with the top cap shell, the front end of top cap shell is provided with sealing door, and the upper end of sealing door is provided with the connection hinge.
Optionally, the limiting seat and the supporting block are symmetrical with respect to the central axis of the outer shell, the outer structure of the upper end of the outer shell is matched with the outer structure of the lower end of the top cover shell, and the rubber ring uniformly covers the edge of the upper end of the outer shell.
Optionally, guiding mechanism includes connecting seat, support column, screw thread post, position sleeve, roof, links up post and carousel, the middle part of roof is provided with the carousel, and the left and right sides of carousel all is provided with links up the post, both ends inside all is provided with the position sleeve about the roof, and the inside of position sleeve is provided with the screw thread post, the lower extreme of screw thread post is provided with the support column, and the lower extreme of support column is provided with the connecting seat.
Optionally, the top plate is connected with the upper end of the top cover shell through matching between the connecting column and the rotary disc, the threaded column and the positioning sleeve are symmetrical about the central axis of the top plate, and the threaded column and the supporting column are of an integrated structure.
Optionally, the central axis of the power gear coincides with the central axis of the rotating wheel, the transmission gear is in gear engagement transmission with the power gear, and the transmission gear is connected with the upper end of the top plate through the rotating shaft.
Optionally, the threaded sleeve and the control gear are of an integrated structure, and the threaded column penetrates through the control gear.
The invention provides an air tightness testing device convenient for cleaning internal parts for rail health maintenance, which has the following beneficial effects:
1. this rail is healthy to be maintained with gas tightness test equipment of interior part clearance of being convenient for, cooperation through between lower floor's base, composite rubber pad, pressure-bearing spring, bearing seat, upper base and the universal wheel has constituted the device's supporting pedestal, relies on the cooperation between pressure-bearing spring and the bearing seat to provide shock attenuation buffer capacity for whole device, keeps the stability of equipment in the use to utilize composite rubber pad can avoid the rigidity friction between lower floor's base and the upper base.
2. This track is healthy to be maintained with gas tightness test equipment of interior part clearance of being convenient for, through spacing seat, the supporting shoe, the shell body, the top cap shell, the rubber circle, the cooperation between sealing door and the connection hinge has constituted the device's main body housing, rely on the cooperation between shell body and the top cap shell to form independent airtight space, thereby realize the gas tightness test to the material, utilize the rubber circle to improve the leakproofness between shell body and the top cap shell simultaneously, wherein the device adopts the mode of opening of two kinds of differences, convenient to use person's operation.
3. This track is air tightness test equipment of interior part clearance of being convenient for health maintenance has constituted the device's guiding mechanism through the cooperation between connecting seat, support column, screw thread post, position sleeve, roof, linking post and the carousel, relies on the connecting seat to carry out fixed support to support column and screw thread post to cooperation through between position sleeve and the screw thread post keeps the axiality between roof and the supporting pedestal.
4. The air tightness testing device for the rail health maintenance and convenient for cleaning of the internal parts forms a power control mechanism of the device through the cooperation of the power gear, the rotating wheel, the transmission gear, the rotating shaft, the control gear and the threaded sleeve, and the rotation operation of the control gear is realized by the power gear and the transmission gear, so that the threaded connection between the threaded sleeve and the threaded column is realized, the gear meshing transmission has a large adaptive range, high transmission efficiency, long service life, stable transmission and high reliability, and the constant instantaneous transmission ratio can be ensured.
Drawings
FIG. 1 is a front view of the external structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 5 is a schematic view of the internal structure of the control gear of the present invention.
In the figure: 1. a support base; 101. a lower base; 102. a composite rubber pad; 103. a pressure-bearing spring; 104. a pressure bearing seat; 105. an upper base; 106. a universal wheel; 2. a main body housing; 201. a limiting seat; 202. a support block; 203. an outer housing; 204. a top cover housing; 205. a rubber ring; 206. a sealing door; 207. connecting a hinge; 3. a guide mechanism; 301. a connecting seat; 302. a support pillar; 303. a threaded post; 304. a positioning sleeve; 305. a top plate; 306. connecting the column; 307. a turntable; 4. a power control mechanism; 401. a power gear; 402. a rotating wheel; 403. a transmission gear; 404. a rotating shaft; 405. a control gear; 406. and (4) a threaded sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", and the like are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations.
Referring to fig. 1 to 5, the present invention provides a technical solution: an air tightness test device convenient for cleaning internal parts for rail health maintenance comprises a support base 1 and a power control mechanism 4, a main body shell 2 is arranged above the support base 1, guide mechanisms 3 are arranged on the left side and the right side of the main body shell 2, the support base 1 comprises a lower layer base 101, a compound rubber pad 102, a pressure bearing spring 103, a pressure bearing seat 104, an upper layer base 105 and a universal wheel 106, the universal wheel 106 is arranged below the lower layer base 101, the compound rubber pad 102 is arranged above the lower layer base 101, the pressure bearing spring 103 is arranged on the left side and the right side of the compound rubber pad 102, the pressure bearing seat 104 is arranged above the pressure bearing spring 103, the upper layer base 105 is arranged above the pressure bearing seat 104, the lower layer base 101, the compound rubber pad 102 and the upper layer base 105 are tightly attached, and the central axes of the lower layer base 101, the compound rubber pad 102 and the upper layer base 105 are overlapped, and the upper base 105 forms an elastic structure through the bearing spring 103, the supporting base 1 of the device is formed through the matching among the lower base 101, the compound rubber pad 102, the bearing spring 103, the bearing base 104, the upper base 105 and the universal wheel 106, the whole device is provided with a shock absorption and buffering capacity through the matching between the bearing spring 103 and the bearing base 104, the stability of the device in the using process is kept, and the compound rubber pad 102 can be used for avoiding rigid friction between the lower base 101 and the upper base 105.
The main body shell 2 comprises limiting seats 201, supporting blocks 202, an outer shell 203, a top cover shell 204, a rubber ring 205, a sealing door 206 and connecting hinges 207, the outer shell 203 is arranged between the limiting seats 201, the supporting block 202 is arranged on one side, far away from the outer shell 203, of the limiting seats 201, the rubber ring 205 is arranged at the upper end of the outer shell 203, the top cover shell 204 is arranged above the rubber ring 205, the sealing door 206 is arranged at the front end of the top cover shell 204, the connecting hinges 207 are arranged at the upper end of the sealing door 206, the limiting seats 201 and the supporting blocks 202 are respectively symmetrical about the central axis of the outer shell 203, the outer structure of the upper end of the outer shell 203 is matched with the outer structure of the lower end of the top cover shell 204, the rubber ring 205 uniformly covers the edge of the upper end of the outer shell 203, and the main body shell 2 of the device is formed by matching among the limiting seats 201, the supporting blocks, rely on the cooperation between shell body 203 and the top cap shell 204 to form independent airtight space to realize the gas tightness test to the material, utilize rubber circle 205 to improve the leakproofness between shell body 203 and the top cap shell 204 simultaneously, wherein the device adopts two kinds of different opening methods, convenient to use person's operation.
The guide mechanism 3 comprises a connecting seat 301, a supporting column 302, a threaded column 303, a positioning sleeve 304, a top plate 305, a connecting column 306 and a rotating disc 307, wherein the rotating disc 307 is arranged in the middle of the top plate 305, the connecting column 306 is arranged on each of the left side and the right side of the rotating disc 307, the positioning sleeves 304 are arranged inside each of the left end and the right end of the top plate 305, the threaded column 303 is arranged inside each positioning sleeve 304, the supporting column 302 is arranged at the lower end of the threaded column 303, the connecting seat 301 is arranged at the lower end of the supporting column 302, the top plate 305 is connected with the upper end of the top cover shell 204 through the matching between the connecting column 306 and the rotating disc 307, the threaded column 303 and the positioning sleeve 304 are symmetrical about the central axis of the top plate 305, the threaded column 303 and the supporting column 302 are of an integrated structure, and the guide mechanism 3 of the device is formed through the matching between the connecting seat 301, the supporting, the support column 302 and the threaded column 303 are fixedly supported by means of the connecting base 301, and the coaxiality between the top plate 305 and the support base 1 is maintained by the fit between the positioning sleeve 304 and the threaded column 303.
A power control mechanism 4 is arranged above the main body casing 2, the power control mechanism 4 comprises a power gear 401, a rotating wheel 402, a transmission gear 403, a rotating shaft 404, a control gear 405 and a threaded sleeve 406, the rotating wheel 402 is arranged above the power gear 401, the transmission gears 403 are arranged on the left side and the right side of the power gear 401, the rotating shaft 404 is arranged inside the transmission gear 403, the control gear 405 is arranged on one side, away from the power gear 401, of the transmission gear 403, the threaded sleeve 406 is arranged inside the control gear 405, the central axis of the power gear 401 is overlapped with the central axis of the rotating wheel 402, gear meshing transmission is adopted between the transmission gear 403 and the power gear 401, the transmission gear 403 is connected with the upper end of the top plate 305 through the rotating shaft 404, the threaded sleeve 406 and the control gear 405 are of an integrated structure, the threaded column 303 penetrates through the inside the control gear, The cooperation among runner 402, drive gear 403, pivot 404, control gear 405 and thread bush 406 constitutes the power control mechanism 4 of the device, relies on power gear 401 and drive gear 403 to realize the rotation operation of control gear 405 to realize the threaded connection between thread bush 406 and threaded post 303, and gear meshing transmission accommodation is big, transmission efficiency is higher, long service life, the transmission is steady, the reliability is high, can guarantee that instantaneous drive ratio is invariable.
In summary, when the air tightness testing device for cleaning internal parts for rail health maintenance is used, a user can drive the power gear 401 to rotate through the rotating wheel 402, the rotating operation of the control gear 405 is realized by means of the power gear 401 and the transmission gear 403, so that the threaded connection between the threaded sleeve 406 and the threaded column 303 is realized, the gear meshing transmission adaptation range is large, the transmission efficiency is high, the service life is long, the transmission is stable, the reliability is high, and the instant transmission ratio is ensured to be constant, the adjustment of the horizontal height of the top cover shell 204 can be realized by means of the threaded connection between the threaded sleeve 406 and the threaded column 303, the support column 302 and the threaded column 303 are fixedly supported by the connecting seat 301, the coaxiality between the top plate 305 and the support base 1 is maintained by means of the matching between the positioning sleeve 304 and the threaded column 303, and an independent closed space is formed by means of the matching between the, therefore, the air tightness test of the material is realized, and meanwhile, the sealing performance between the outer shell 203 and the top cover shell 204 is improved by using the rubber ring 205, wherein the device adopts two different opening modes, so that the operation of a user is facilitated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. An air tightness test device convenient for cleaning internal parts for rail health maintenance comprises a support base (1) and a power control mechanism (4), and is characterized in that: the utility model discloses a power gear, including support base (1), main body cover (2), and the left and right sides of main body cover (2) all is provided with guiding mechanism (3), the top of main body cover (2) is provided with power control mechanism (4), power control mechanism (4) are including power gear (401), runner (402), drive gear (403), pivot (404), control gear (405) and thread bush (406), and the top of power gear (401) is provided with runner (402), the left and right sides of power gear (401) all is provided with drive gear (403), and the inside of drive gear (403) is provided with pivot (404), one side that power gear (401) were kept away from in drive gear (403) is provided with control gear (405), and the inside of control gear (405) is provided with thread bush (406).
2. The airtightness testing apparatus for facilitating the cleaning of internal parts for the maintenance of health of a rail according to claim 1, wherein: the supporting base (1) comprises a lower layer base (101), a composite rubber pad (102), a pressure bearing spring (103), a pressure bearing seat (104), an upper layer base (105) and a universal wheel (106), wherein the universal wheel (106) is arranged below the lower layer base (101), the composite rubber pad (102) is arranged above the lower layer base (101), the pressure bearing spring (103) is arranged on the left side and the right side of the composite rubber pad (102), the pressure bearing seat (104) is arranged above the pressure bearing spring (103), and the upper layer base (105) is arranged above the pressure bearing seat (104).
3. The airtightness testing apparatus for facilitating cleaning of internal parts for use in rail health maintenance according to claim 2, wherein: the lower-layer base (101), the composite rubber pad (102) and the upper-layer base (105) are tightly attached, the central axes of the lower-layer base (101), the composite rubber pad (102) and the upper-layer base (105) are overlapped, and the upper-layer base (105) forms an elastic structure through the pressure-bearing spring (103).
4. The airtightness testing apparatus for facilitating the cleaning of internal parts for the maintenance of health of a rail according to claim 1, wherein: the main body shell (2) comprises limiting seats (201), supporting blocks (202), an outer shell body (203), a top cover shell (204), a rubber ring (205), a sealing door (206) and connecting hinges (207), the outer shell body (203) is arranged between the limiting seats (201), the supporting blocks (202) are arranged on one side, away from the outer shell body (203), of the limiting seats (201), the rubber ring (205) is arranged at the upper end of the outer shell body (203), the top cover shell (204) is arranged above the rubber ring (205), the sealing door (206) is arranged at the front end of the top cover shell (204), and the connecting hinges (207) are arranged at the upper end of the sealing door (206).
5. The airtightness testing apparatus for facilitating the cleaning of internal parts for the rail health maintenance according to claim 4, wherein: the limiting seat (201) and the supporting block (202) are symmetrical relative to the central axis of the outer shell (203), the outer structure of the upper end of the outer shell (203) is matched with the outer structure of the lower end of the top cover shell (204), and the rubber ring (205) uniformly covers the edge of the upper end of the outer shell (203).
6. The airtightness testing apparatus for facilitating the cleaning of internal parts for the maintenance of health of a rail according to claim 1, wherein: guiding mechanism (3) are including connecting seat (301), support column (302), screw thread post (303), position sleeve (304), roof (305), link up post (306) and carousel (307), the middle part of roof (305) is provided with carousel (307), and the left and right sides of carousel (307) all is provided with links up post (306), both ends are inside all to be provided with position sleeve (304) about roof (305), and the inside of position sleeve (304) is provided with screw thread post (303), the lower extreme of screw thread post (303) is provided with support column (302), and the lower extreme of support column (302) is provided with connecting seat (301).
7. The airtightness testing apparatus for facilitating the cleaning of internal parts for the maintenance of health of a rail according to claim 6, wherein: the top plate (305) is connected with the upper end of the top cover shell (204) through the matching between the connecting column (306) and the rotating disc (307), the threaded column (303) and the positioning sleeve (304) are symmetrical relative to the central axis of the top plate (305), and the threaded column (303) and the supporting column (302) are of an integrated structure.
8. The airtightness testing apparatus for facilitating the cleaning of internal parts for the maintenance of health of a rail according to claim 1, wherein: the central axis of the power gear (401) coincides with the central axis of the rotating wheel (402), the transmission gear (403) is in gear meshing transmission with the power gear (401), and the transmission gear (403) is connected with the upper end of the top plate (305) through the rotating shaft (404).
9. The airtightness testing apparatus for facilitating the cleaning of internal parts for the maintenance of health of a rail according to claim 1, wherein: the threaded sleeve (406) and the control gear (405) are of an integrated structure, and the threaded column (303) penetrates through the control gear (405).
CN201910985473.4A 2019-10-17 2019-10-17 Air tightness testing equipment convenient for cleaning internal parts for rail health maintenance Pending CN110763401A (en)

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Application Number Priority Date Filing Date Title
CN201910985473.4A CN110763401A (en) 2019-10-17 2019-10-17 Air tightness testing equipment convenient for cleaning internal parts for rail health maintenance

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Application Number Priority Date Filing Date Title
CN201910985473.4A CN110763401A (en) 2019-10-17 2019-10-17 Air tightness testing equipment convenient for cleaning internal parts for rail health maintenance

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111907560A (en) * 2020-07-20 2020-11-10 重庆工商大学 Rail circuit sleeper and railway roadbed are foreign matter detection device for health maintenance

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100516365B1 (en) * 2005-01-27 2005-09-26 강명희 Oil leakage inspection apparatus of oil filter for motor car
CN204831720U (en) * 2015-08-10 2015-12-02 安徽工程大学 Internal -combustion engine valve leakproofness detection device
CN206016536U (en) * 2016-08-31 2017-03-15 山东新华医疗器械股份有限公司 A kind of gear drive lifts door
CN206656834U (en) * 2017-04-26 2017-11-21 四川省犍为恒益铝业有限公司 A kind of quick leakage tester
CN110118688A (en) * 2019-06-05 2019-08-13 福建顺邦防护科技有限公司 A kind of water-proof jacket pulls power detection device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100516365B1 (en) * 2005-01-27 2005-09-26 강명희 Oil leakage inspection apparatus of oil filter for motor car
CN204831720U (en) * 2015-08-10 2015-12-02 安徽工程大学 Internal -combustion engine valve leakproofness detection device
CN206016536U (en) * 2016-08-31 2017-03-15 山东新华医疗器械股份有限公司 A kind of gear drive lifts door
CN206656834U (en) * 2017-04-26 2017-11-21 四川省犍为恒益铝业有限公司 A kind of quick leakage tester
CN110118688A (en) * 2019-06-05 2019-08-13 福建顺邦防护科技有限公司 A kind of water-proof jacket pulls power detection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111907560A (en) * 2020-07-20 2020-11-10 重庆工商大学 Rail circuit sleeper and railway roadbed are foreign matter detection device for health maintenance

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