CN213274720U - Medium body sealing performance detection device - Google Patents
Medium body sealing performance detection device Download PDFInfo
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- CN213274720U CN213274720U CN202022733856.3U CN202022733856U CN213274720U CN 213274720 U CN213274720 U CN 213274720U CN 202022733856 U CN202022733856 U CN 202022733856U CN 213274720 U CN213274720 U CN 213274720U
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Abstract
The utility model relates to a well body leakproofness detection device relates to the technical field that brake chamber detected, and it includes the operation panel, offer first work groove and the second work groove that is used for the water injection on the operation panel, first work groove with all install the workstation, each in the second work groove all be provided with the installation mechanism that is arranged in the installation body on the workstation and install be arranged in on the workstation lateral wall and be used for the mechanism of aerifing with the air cock intercommunication. The utility model provides a workstation, installation mechanism and the setting of aerifing the mechanism on first work groove, the second work groove for the staff can carry out gas tightness measurement work respectively to the cavity of body both sides, makes things convenient for the staff systematized, carry out the gas tightness of well body in the batchization and examines the test.
Description
Technical Field
The application relates to the technical field of brake chamber detection, in particular to a middle body sealing performance detection device.
Background
The spring brake chamber is a brake system applied to an automobile, the spring brake chamber is divided into two chambers by utilizing the inside of a cavity for charging and discharging air to perform service braking and parking braking, and is provided with a return spring, and the volume change in the chambers is controlled by utilizing a gas brake system to realize the movement of a brake rod. And the middle body is one of the constituent parts of the spring brake chamber.
The utility model discloses a body in chinese utility model patent that publication number is CN201235821Y, well body is pressed the casting by aluminium material and is formed, install respectively to the air chamber air cock that realizes the braking of two chambeies input gas of air chamber driving and parking on the well body, it has the thread bush to inlay in the air cock. During the production process of the spring brake air chamber, an air tightness detection test of the medium is generally required to ensure the safety of the spring brake air chamber during use.
In view of the above-mentioned related art, the inventor believes that, since the middle body has two air nozzles which are respectively communicated with two different chambers, when the air tightness test of the middle body is performed, the air tightness test of the two air nozzles and the chambers of the middle body needs to be performed, and an apparatus for performing the air tightness test of the two air nozzles and the chambers of the middle body is absent in actual production, so that an apparatus suitable for the air tightness test of the middle body is needed.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that lacks the device that two air cocks of centering body and cavity carry out the gas tightness and detect, this application provides a well body leakproofness detection device.
The application provides a well body leakproofness detection device adopts following technical scheme:
the utility model provides a well body leakproofness detection device, includes the operation panel, offer the first work groove and the second work groove that are used for the water injection on the operation panel, first work groove with the workstation, each are all installed to the second work inslot all be provided with on the workstation and be arranged in the installation mechanism of the body and install on the workstation lateral wall and be arranged in with the mechanism of aerifing of air cock intercommunication.
By adopting the technical scheme, when the tightness detection work needs to be carried out on the middle body, the middle body is firstly placed on a workbench in a first working groove, then the middle body is fixedly installed on the workbench by utilizing an installation mechanism, an inflation mechanism is connected with an air nozzle of the middle body, water is injected into the first working groove until the liquid level of the water is over the middle body, the middle body is inflated by the inflation mechanism, and if no air bubble appears in the water, the air tightness of a cavity on one side of the middle body is proved to be good; otherwise, the airtightness is not good.
After the air tightness of the cavity on one side of the middle body is tested, the middle body is taken out from the first working groove and turned over, then the middle body is fixedly installed on a workbench in the second working groove by utilizing the installation mechanism, the first round of test work is repeated, and finally the air tightness detection work of the cavities on two sides of the middle body is completed.
Optionally, the mounting mechanism includes a mounting component mounted on the top surface of the workbench and a fastening component mounted on the sidewall of the workbench and used for fastening the middle body.
By adopting the technical scheme, the primary installation work of the middle body on the top surface of the workbench is realized by the arrangement of the installation assembly; support the setting of tight subassembly, further carry on spacingly to the position of body at the workstation, the probability that the body takes place the skew in the time of having reduced to carry out gas tightness testing, strengthened gas tightness testing's stability to a certain extent.
Optionally, the mounting assembly comprises a mounting disc and a locking bolt, a threaded hole is formed in the mounting disc, the locking bolt penetrates through the threaded hole and is in threaded fit with the workbench, a mounting groove for mounting the middle body is formed in the mounting disc, and a sealing ring is mounted in the mounting groove.
By adopting the technical scheme, the locking bolt is matched with the mounting disc, so that the mounting and dismounting of the mounting disc on the workbench can be conveniently carried out by workers; the installation of well body installation back on getting into the mounting disc, the interference that does not closely laminate and produce to the test of body gas tightness between well body side wall and mounting groove is reduced to the setting of mounting groove and sealing washer.
Optionally, the axis of the mounting plate is provided with a positioning rod for clamping and matching with the middle body.
Through adopting above-mentioned technical scheme, the setting of locating lever plays the positioning action of well body position in the mounting disc, and locating lever and well body joint complex mode simultaneously for the locating lever plays the limiting displacement to the body position in the mounting disc, reduces the probability that the body takes place the skew in carrying out gas tightness detection achievement time.
Optionally, the abutting assemblies are provided with two groups, each group of abutting assemblies comprises an abutting cylinder and an abutting plate, a piston rod of each group of abutting cylinder is connected with the abutting plate, and cylinder bodies of the two abutting cylinders are respectively and fixedly mounted on two opposite side walls of the workbench.
By adopting the technical scheme, when the position of the middle body on the workbench needs to be locked, the two groups of abutting cylinders are respectively started, the piston rods of the two groups of abutting cylinders respectively push the corresponding abutting plates to move, and the two abutting plates are close to each other and abut against the two sides of the middle body, so that the clamping and fixing of the middle body are realized.
Optionally, an arc-shaped notch is formed in one side, away from the abutting cylinder, of the abutting plate.
Through adopting above-mentioned technical scheme, compare in support tightly not set up the arc breach on the board, increased two blocks and supported the area of contact between tight board and the well body to make well body obtain better supporting tight effect, further reduce the probability that the body takes place the skew in carrying out gas tightness detection achievement.
Optionally, the inflation mechanism comprises a mounting table fixedly mounted on the side wall of the workbench, a cylinder fixedly mounted on the mounting table and an inflation tube mounted at the end part of the piston rod of the cylinder, an inflation inlet is formed in the inflation tube, and the inflation tube is used for being connected with the air faucet.
By adopting the technical scheme, after the middle body is fixedly arranged on the workbench, the air cylinder is started, the piston rod of the air cylinder pushes the inflation tube to further abut against the air nozzle, so that the inflation tube and the air nozzle are in a communicated state, then the first working groove or the second working groove is sealed with water, the inflation tube is inflated through the inflation port, whether bubbles are generated in water or not is observed, and if the bubbles are generated, the air sealing of a cavity on one side of the middle body is poor; otherwise, the air tightness of the chamber at the side of the middle body is good.
Optionally, an installation plate is installed on one side of the operating platform, and a pressure gauge is installed on the installation plate.
Through adopting above-mentioned technical scheme, the setting of manometer on the installation table makes things convenient for the staff to observe the gas tube in real time, the internal atmospheric pressure value of midbody measurement cavity, reduces the probability that causes the accident because of atmospheric pressure is too big in gas tube, the midbody measurement cavity, ensures the security of carrying out midbody gas tightness test.
In summary, the present application includes at least one of the following beneficial technical effects:
through the arrangement of the workbench, the mounting mechanism and the inflating mechanism on the first working groove and the second working groove, workers can respectively perform air tightness measurement on the cavities on two sides of the middle body, and the air tightness detection test of the middle body can be conveniently performed by the workers systematically and in batches.
Drawings
FIG. 1 is a schematic perspective view of a mid-body according to an embodiment of the present application;
FIG. 2 is a schematic perspective view of a detecting device according to an embodiment of the present application;
fig. 3 is a schematic perspective view of the table shown in fig. 2.
Description of reference numerals: 100. a middle body; 101. a cylinder; 102. a tray body;
110. connecting grooves; 120. an air tap; 130. connecting holes; 140. an operation table; 150. mounting a plate; 160. a first working tank; 170. a second working tank; 180. a work table;
190. mounting the component; 191. mounting a disc; 192. locking the bolt;
200. mounting grooves; 201. a first mounting groove; 202. a second mounting groove;
210. a seal ring; 220. positioning a rod;
230. a propping component; 231. tightly abutting against the air cylinder; 232. a propping plate;
240. an arc-shaped notch;
250. an inflation mechanism; 251. an installation table; 252. a cylinder; 253. an inflation tube;
260. an inflation inlet; 270. an air intake passage; 280. an air tube; 290. and a pressure gauge.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Referring to fig. 1, the middle body 100 includes a cylinder 101 and trays 102 fixedly connected to both ends of the cylinder 101, a connecting groove 110 is provided on an end surface of each tray 102 far from the cylinder 101, an area of a groove bottom of the connecting groove 110 is smaller than an area of a notch of the connecting groove 110, two air nozzles 120 are fixedly connected to an outer side wall of the cylinder 101, each air nozzle 120 is correspondingly communicated with one connecting groove 110, and a connecting hole 130 is provided along a line where an axis of the cylinder 101 is located at each of groove bottoms of the two connecting grooves 110.
The embodiment of the application discloses midbody leakproofness detection device. Referring to fig. 2, the middle body sealing performance detecting device includes an operation table 140 and an installation plate 150 fixedly installed on one side of the operation table 140, a first working groove 160 and a second working groove 170 are formed in the operation table 140, working tables 180 are fixedly connected in the first working groove 160 and the second working groove 170, installation mechanisms for installing the middle body 100 are arranged on the two working tables 180, and an inflation mechanism 250 (see fig. 3) for communicating with the air nozzle 120 is installed on the side walls of the two working tables 180. A pressure gauge 290 for detecting air pressure is installed on the mounting plate 150.
Referring to fig. 2 and 3, the mounting mechanism includes a mounting member 190 mounted on the top surface of the table 180 and a tightening member 230 mounted on the sidewall of the table 180 and used for tightening the middle body 100.
Referring to fig. 2 and 3, the mounting assembly 190 includes a mounting plate 191 and two locking bolts 192, two threaded holes are respectively formed in the mounting plate 191 and the workbench 180, and the locking bolts 192 sequentially pass through the threaded holes in the mounting plate 191 and the workbench 180 and tightly mount the mounting plate 191 on the workbench 180. The mounting groove 200 that is used for installing the middle body 100 is offered to the one end terminal surface that workstation 180 was kept away from to mounting disc 191, and mounting groove 200 is the echelonment, and mounting groove 200 includes first mounting groove 201 and second mounting groove 202, and first mounting groove 201 is located the one end of keeping away from mounting disc 191 top surface, and the area of first mounting groove 201 is less than the area of second mounting groove 202. Usually, the opening depth of the first mounting groove 201 is the same as the height of the tray body 102 on the middle body 100, and simultaneously, the bottom surface of the second mounting groove 202 is flush with the end of the tray body 102 far away from the bottom of the first mounting groove 201, so that a worker can conveniently observe whether bubbles are generated in the tray body 102 during the air tightness detection test. A sealing ring 210 is fixedly connected to the inner wall of the first mounting groove 201, and a positioning rod 220 which is in clamping fit with the connecting hole 130 (see fig. 1) of the middle body 100 is fixedly connected to the axis of the mounting plate 191.
Referring to fig. 2 and 3, two sets of abutting assemblies 230 are provided, each set of abutting assembly 230 includes an abutting cylinder 231 fixedly installed on the side wall of the working table 180 and an abutting plate 232 fixedly installed on the abutting cylinder 231. The two cylinder bodies abutting against the tight cylinder 231 are respectively and fixedly installed on two opposite side walls of the workbench 180, the piston rod of each group of abutting against the tight cylinder 231 is fixedly connected with the abutting against plate 232 in the group, and one side, away from the group of abutting against cylinder 231, of each group of abutting against plate 232 is provided with an arc-shaped notch 240 for abutting against the outer peripheral wall of the middle body 100.
Referring to fig. 2 and 3, the inflation mechanism 250 includes a mounting table 251 fixedly mounted on a side wall of the table 180, an air cylinder 252 fixedly mounted on the mounting table 251, and an inflation tube 253 fixedly mounted on an end portion of a piston rod of the air cylinder 252, the mounting table 251 being located on a side wall of the table 180 away from the mounting plate 150. The end of the inflation tube 253 close to the piston rod is solid, and the end of the inflation tube 253 far from the piston rod is hollow and is used for connecting with the air faucet 120. The inflation tube 253 is provided with an inflation port 260 along the vertical direction, the mounting plate 150 is provided with an air inlet channel 270, an air tube 280 is arranged in the air inlet channel 270, and two ends of the air tube 280 are respectively communicated with the pressure gauge and the inflation port 260.
The implementation principle of the middle body sealing performance detection device in the embodiment of the application is as follows:
when the airtightness detection work of the middle body 100 needs to be performed, the middle body 100 is clamped into the first mounting groove 201 by aligning the positioning rod 220 on the mounting plate 191 with the connecting hole 130 on the middle body 100, one of the plate bodies 102 of the middle body 100 abuts against the groove bottom of the first mounting groove 201, the side wall of the plate body 102 abutting against the groove bottom of the first mounting groove 201 abuts against the sealing ring 210, and at the moment, the groove bottom of the second mounting groove 202 is flush with one end of the plate body 102 far away from the groove bottom of the first mounting groove 201.
The support cylinders 231 are started while the disc body 102 is supported against the bottom of the first mounting groove 201, the piston rods of the two support cylinders 231 respectively push the corresponding support plates 232 to move, the two support plates 232 approach each other until the arc-shaped notches 240 on the two support plates 232 are supported against the outer wall of the cylinder 101 on the middle body 100, and therefore the middle body 100 is fixedly mounted on the workbench 180.
Starting the air cylinder 252, pushing the inflation tube 253 to abut against the air nozzle 120 by a piston rod of the air cylinder 252, then injecting water into the first working groove 160 until the liquid level exceeds the middle body 100, inflating the inflation port 260 through the air tube 280, moving the air flow to the connecting groove 110 in the disc body 102 through the inflation tube 253, observing the indication change of the pressure gauge or observing whether bubbles are generated in the water by a worker, and if the indication of the pressure gauge is reduced or the bubbles are generated in the water, proving that the air tightness of the disc body 102 on the side of the middle body 100 is poor; on the contrary, the airtightness of the side disk 102 on the middle body 100 is proved to be good.
After the airtightness detection test on the tray body 102 on one side of the medium 100 is completed, the medium 100 is taken out from the first working groove 160, the tray body 102 is turned over by 180 degrees, the work in the first working groove 160 is repeated in the second working groove 170, and finally the airtightness detection test on the tray body 102 on two sides of the medium 100 is completed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a midbody leakproofness detection device which characterized in that: including operation panel (140), offer first work groove (160) and second work groove (170) that are used for the water injection on operation panel (140), first work groove (160) with all install workstation (180) in second work groove (170), each all be provided with on workstation (180) and be arranged in the installation mechanism of body (100) and install on workstation (180) lateral wall and be used for the mechanism (250) of aerifing with air cock (120) intercommunication.
2. The device for detecting the tightness of a midbody according to claim 1, wherein: the mounting mechanism comprises a mounting component (190) mounted on the top surface of the workbench (180) and a pressing component (230) mounted on the side wall of the workbench (180) and used for pressing the middle body (100).
3. The device for detecting the tightness of a midbody according to claim 2, wherein: the mounting assembly (190) comprises a mounting disc (191) and a locking bolt (192), a threaded hole is formed in the mounting disc (191), the locking bolt (192) penetrates through the threaded hole and is in threaded fit with the workbench (180), a mounting groove (200) used for mounting the middle body (100) is formed in the mounting disc (191), and a sealing ring (210) is mounted in the mounting groove (200).
4. The device for detecting the tightness of a midbody according to claim 3, wherein: and a positioning rod (220) which is used for being clamped and matched with the middle body (100) is arranged at the axis of the mounting disc (191).
5. The device for detecting the tightness of a midbody according to claim 2, wherein: the two groups of abutting assemblies (230) are arranged, each group of abutting assemblies (230) comprises an abutting air cylinder (231) and an abutting plate (232), a piston rod of each group of abutting air cylinder (231) is connected with the abutting plate (232), and cylinder bodies of the two abutting air cylinders (231) are fixedly installed on two opposite side walls of the workbench (180) respectively.
6. The device for detecting the tightness of a midbody according to claim 5, wherein: an arc-shaped notch (240) is formed in one side, away from the abutting cylinder (231), of the abutting plate (232).
7. The device for detecting the tightness of a midbody according to claim 1, wherein: the inflation mechanism (250) comprises a mounting table (251) fixedly mounted on the side wall of the workbench (180), a cylinder (252) fixedly mounted on the mounting table (251) and an inflation tube (253) mounted at the end part of a piston rod of the cylinder (252), an inflation opening (260) is formed in the inflation tube (253), and the inflation tube (253) is used for being connected with the air tap (120).
8. The device for detecting the tightness of a midbody according to claim 1, wherein: the mounting plate (150) is installed to operation panel (140) one side, install manometer (290) on mounting plate (150).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022733856.3U CN213274720U (en) | 2020-11-23 | 2020-11-23 | Medium body sealing performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022733856.3U CN213274720U (en) | 2020-11-23 | 2020-11-23 | Medium body sealing performance detection device |
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| Publication Number | Publication Date |
|---|---|
| CN213274720U true CN213274720U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022733856.3U Active CN213274720U (en) | 2020-11-23 | 2020-11-23 | Medium body sealing performance detection device |
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| CN (1) | CN213274720U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654743A (en) * | 2021-06-30 | 2021-11-16 | 眉山中车制动科技股份有限公司 | Main valve middle body air tightness detection system |
| CN115493773A (en) * | 2022-11-16 | 2022-12-20 | 济宁市坤铭金属制品有限公司 | Device and method for detecting air tightness of casting part |
-
2020
- 2020-11-23 CN CN202022733856.3U patent/CN213274720U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654743A (en) * | 2021-06-30 | 2021-11-16 | 眉山中车制动科技股份有限公司 | Main valve middle body air tightness detection system |
| CN113654743B (en) * | 2021-06-30 | 2024-05-28 | 眉山中车制动科技股份有限公司 | Main valve midbody gas tightness detecting system |
| CN115493773A (en) * | 2022-11-16 | 2022-12-20 | 济宁市坤铭金属制品有限公司 | Device and method for detecting air tightness of casting part |
| CN115493773B (en) * | 2022-11-16 | 2023-02-17 | 济宁市坤铭金属制品有限公司 | Device and method for detecting air tightness of casting part |
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