CN205228739U - Gas tightness detection device is held to car transfer case axon - Google Patents
Gas tightness detection device is held to car transfer case axon Download PDFInfo
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- CN205228739U CN205228739U CN201521075957.9U CN201521075957U CN205228739U CN 205228739 U CN205228739 U CN 205228739U CN 201521075957 U CN201521075957 U CN 201521075957U CN 205228739 U CN205228739 U CN 205228739U
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- top board
- outer ring
- bearing
- support
- positioning seat
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Abstract
The utility model discloses a gas tightness detection device is held to car transfer case axon rotationally installs the axis of rotation on supporting platform, the lower extreme of axis of rotation passes through the output shaft of shaft coupling and motor, and the upper end of axis of rotation is located outer lane bottom pivot, opens on outer lane bottom pivot's the wall and aerifys the hole, and outer lane bottom pivot passes through the trachea and is connected with the gas pitcher, be equipped with the outer lane top board directly over the axis of rotation, the upper end of outer lane top board is connected with the piston rod of cylinder through the switching subassembly, sets up positioning seat and inner circle top board in the top board of outer lane, and the positioning seat lies in the top of inner circle top board, and the upper end of positioning seat passes through flat housing and outer lane upper pressing board connection, is connected with compression spring between positioning seat and inner circle top board, and the bottom surface of inner circle top board is inlayed and is adorned the O sealing washer that appears. The utility model relates to an it is ingenious, simple structure, compactness, easy dismounting through simulating the operating condition that the transfer case axon was held, can detect its sealing performance, and the testing result is accurate, reliable.
Description
Technical field
The utility model relates to a class automotive transfer case body bearing assemble manufacturing line, for the air-leakage test of a class automotive transfer case body bearing.
Background technology
At present, along with the enforcement of national Defective vehicle recall system, to the properties of product of auto parts and components and quality requirements more and more higher.Automotive transfer case must stop leakage of oil, otherwise causes Defective vehicle recall thus, causes huge economic loss can to automobile production producer.But automobile production producer does not carry out special detection for the sealing property of transfer casing bearing, cannot the performance of accurate assurance transfer casing bearing and serviceable life.
Utility model content
Because the above-mentioned defect of prior art, technical problem to be solved in the utility model is to provide a kind of automotive transfer case body bearing air-tightness detection device.
Technical solutions of the utility model are as follows: a kind of automotive transfer case body bearing air-tightness detection device, it is characterized in that: at the top of frame, support platform is set, this support platform is rotatably mounted rotation axis, the lower end of rotation axis is connected with the output shaft of motor by shaft coupling, described motor is installed on support, top and the support platform of support fix, the upper end of described rotation axis is positioned at outer ring lower bearing support, the wall of outer ring lower bearing support has air-filled pore, outer ring lower bearing support is connected with gas tank by tracheae, and gas tank is positioned at the below of motor, outer ring top board is provided with directly over described rotation axis, this outer ring top board is the uncovered straight tube structure in upper end closed lower end, the upper end of outer ring top board is connected with the piston rod of cylinder by adapter assembly, described cylinder is installed on support, bottom and the support platform of support fix, positioning seat and inner ring top board are set in the top board of described outer ring, positioning seat is positioned at the top of inner ring top board, and the upper end of positioning seat is connected with outer ring top board by surface bearing, Compress Spring is connected with between described positioning seat and inner ring top board, bottom surface setting-in first O-ring seals of inner ring top board.
Adopt above technical scheme, the transfer casing bearing holder (housing, cover) that need detect is loaded on the upper end of rotation axis, and this transfer casing bearing embeds in the lower bearing support of outer ring simultaneously, and on transfer casing bearing, cover has the second O-ring seals.When detecting, the action of pioneer's dynamic air cylinder, the piston rod of cylinder is made to drive outer ring top board and inner ring top board to move downward by adapter assembly, the screen resilience produced during Compress Spring compression makes the first O-ring seals be sealed by transfer casing bearing inner race, prevent from leaking gas from transfer casing bearing inner race, and the outer ring of transfer casing bearing is oppressed on the lower bearing support of outer ring by outer ring top board, second O-ring seals and outer ring lower bearing support are adjacent to, prevent the outer ring end gas leakage from transfer casing bearing, the gas volume of outer ring lower bearing support and gas tank simulated automotive transfer casing, identical with actual condition gas volume when reaching detection, then motor rotation is controlled, make the output shaft of motor drive rotation axis to rotate, rotation axis makes transfer casing bearing inner race simulated condition rotate while rotating, then inflate in gas tank and outer ring lower bearing support, enter inflationtime, voltage stabling control, test duration and deflation time.In the test duration, whether qualifiedly carry out air pressure test, whether leak gas, thus judge the whether leakage of oil of transfer casing bearing.
In order to make structure compacter, and be conducive to assembling, bearing seat is provided with between described support platform and outer ring lower bearing support, annular boss in the middle part of bearing seat is fixed with support platform and outer ring lower bearing support respectively by bolt, the upper end of bearing seat is stretched in the lower bearing support of outer ring, the lower end of bearing seat is stretched in support platform, and the two ends up and down of bearing seat are all connected with rotation axis by bearing.
Offset to prevent positioning seat and inner ring top board, the lower end of described positioning seat is stretched in the locating slot of inner ring top board top correspondence setting, be equipped with thru-bolt at the center of described outer ring top board, the lower end of this thru-bolt is passed the central through hole of positioning seat and stretches in inner ring top board.
Conveniently whole device moves, and roller is all equipped with in four angles place bottom described frame.
Beneficial effect: the utility model design is ingenious, and structure is simple, compact, easy accessibility, by the actual condition of simulation transfer casing bearing, can detect its sealing property, and testing result accurately, reliably.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Constitutional diagram when Fig. 2 is the utility model detection.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1 and Figure 2, frame 1 is framed structure, and roller 18 is all equipped with, to facilitate movement in four angles place bottom frame 1.The top of frame 1 is fixedly installed support platform 2, and the middle part of this support platform 2 is provided with bearing seat 17, and the lower end of bearing seat 17 is stretched in support platform 2, and the annular boss in the middle part of bearing seat 17 is fixed by bolt and support platform 2.Outer ring lower bearing support 7 is provided with above bearing seat 17, outer ring lower bearing support 7 is the straight tube structure of open at both ends, the upper end of bearing seat 17 is stretched in outer ring lower bearing support 7, fit in the bottom surface of the annular boss in the middle part of bearing seat 17 and outer ring lower bearing support 7, the annular boss in the middle part of bearing seat 17 is fixed by bolt and outer ring lower bearing support 7.In bearing seat 17, wear rotation axis 3, the two ends up and down of bearing seat 17 are all connected with rotation axis 3 by bearing.
As shown in Figure 1 and Figure 2, the lower end of rotation axis 3 is connected with the output shaft of motor 5 by shaft coupling 4, and motor 5 is positioned at the below of support platform 2, and is installed on support 6, and top and the support platform 2 of support 6 fix.The upper end of rotation axis 3 is positioned at outer ring lower bearing support 7, the wall of outer ring lower bearing support 7 has air-filled pore 7a, air-filled pore 7a is connected to tracheae, and outer ring lower bearing support 7 is connected with gas tank 8 by tracheae, gas tank 8 is positioned at the below of motor 5, and gas tank 8 is arranged in frame 1.
As shown in Figure 1 and Figure 2, be provided with support 12 above support platform 2, bottom and the support platform 2 of support 12 fix.Install cylinder 11 at the middle part on support 12 top, the axial line of cylinder 11 and the axial line of motor 5 are located along the same line.The piston rod of cylinder 11 stretches out straight down, and the lower end of cylinder 11 piston rod is connected with the upper end of outer ring top board 9 by adapter assembly 10.Outer ring top board 9 is positioned at directly over rotation axis 3, and this outer ring top board 9 is the uncovered straight tube structure in upper end closed lower end.
As shown in Figure 1 and Figure 2, in outer ring top board 9, arrange positioning seat 13 and inner ring top board 14, positioning seat 13 is positioned at the top of inner ring top board 14, and the upper end of positioning seat 13 is connected with outer ring top board 9 by surface bearing.The lower end of positioning seat 13 is stretched in the locating slot of inner ring top board 14 top correspondence setting, thru-bolt is equipped with at the center of outer ring top board 9, the head boss of this thru-bolt is arranged in outer ring top board 9, and the lower end of thru-bolt is passed the central through hole of positioning seat 13 and stretches in inner ring top board 14.Sheathed Compress Spring 15 on inner ring top board 14, the upper end of Compress Spring 15 is connected with positioning seat 13, and the lower end of Compress Spring 15 is connected with inner ring top board 14.Bottom surface setting-in first O-ring seals 16 of inner ring top board 14.
Principle of work of the present utility model is as follows:
The transfer casing bearing 19 that need detect is set in the upper end of rotation axis 3, and this transfer casing bearing 19 embeds in outer ring lower bearing support 7, and on transfer casing bearing 19, cover has the second O-ring seals 20.When detecting, pioneer's dynamic air cylinder 11 action, the piston rod of cylinder 11 is made to drive outer ring top board 9 and inner ring top board 14 to move downward by adapter assembly 10, inner ring top board 14 first contacts the inner ring of transfer casing bearing 19, when inner ring top board 14 is slack, outer ring top board 9 can also move downward certain stroke, the screen resilience produced when Compress Spring 15 compresses makes the first O-ring seals 16 be sealed by transfer casing bearing 19 inner ring, prevent from leaking gas from transfer casing bearing 19 inner ring, and the outer ring of transfer casing bearing 19 is oppressed on outer ring lower bearing support 7 by outer ring top board 9, second O-ring seals 20 is adjacent to outer ring lower bearing support 7, prevent the outer ring end gas leakage from transfer casing bearing 19, the gas volume of outer ring lower bearing support 7 simulated automotive transfer casing, identical with actual condition gas volume when reaching detection, then control motor 5 to operate, make the output shaft of motor 5 drive rotation axis 3 to rotate, rotation axis 3 makes transfer casing bearing 19 inner ring simulated condition rotate while rotating, then inflate in gas tank 8 and outer ring lower bearing support 7, enter inflationtime, voltage stabling control, test duration and deflation time.In the test duration, whether qualifiedly carry out air pressure test, whether leak gas, thus judge transfer casing bearing 19 whether leakage of oil.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (4)
1. an automotive transfer case body bearing air-tightness detection device, it is characterized in that: at the top of frame (1), support platform (2) is set, this support platform (2) is rotatably mounted rotation axis (3), the lower end of rotation axis (3) is connected with the output shaft of motor (5) by shaft coupling (4), described motor (5) is installed on support (6), top and the support platform (2) of support (6) fix, the upper end of described rotation axis (3) is positioned at outer ring lower bearing support (7), the wall of outer ring lower bearing support (7) has air-filled pore (7a), outer ring lower bearing support (7) is connected with gas tank (8) by tracheae, gas tank (8) is positioned at the below of motor (5), outer ring top board (9) is provided with directly over described rotation axis (3), this outer ring top board (9) is the uncovered straight tube structure in upper end closed lower end, the upper end of outer ring top board (9) is connected with the piston rod of cylinder (11) by adapter assembly (10), described cylinder (11) is installed on support (12), bottom and the support platform (2) of support (12) fix, positioning seat (13) and inner ring top board (14) are set in described outer ring top board (9), positioning seat (13) is positioned at the top of inner ring top board (14), and the upper end of positioning seat (13) is connected with outer ring top board (9) by surface bearing, Compress Spring (15) is connected with between described positioning seat (13) and inner ring top board (14), bottom surface setting-in first O-ring seals (16) of inner ring top board (14).
2. automotive transfer case body bearing air-tightness detection device as claimed in claim 1, it is characterized in that: between described support platform (2) and outer ring lower bearing support (7), be provided with bearing seat (17), the annular boss at bearing seat (17) middle part is fixed with support platform (2) and outer ring lower bearing support (7) respectively by bolt, the upper end of bearing seat (17) is stretched in outer ring lower bearing support (7), the lower end of bearing seat (17) is stretched in support platform (2), the two ends up and down of bearing seat (17) are all connected with rotation axis (3) by bearing.
3. automotive transfer case body bearing air-tightness detection device as claimed in claim 1, it is characterized in that: the lower end of described positioning seat (13) is stretched in the locating slot of inner ring top board (14) top correspondence setting, be equipped with thru-bolt at the center of described outer ring top board (9), the lower end of this thru-bolt is passed the central through hole of positioning seat (13) and stretches in inner ring top board (14).
4. the automotive transfer case body bearing air-tightness detection device as described in claim 1 or 2 or 3, is characterized in that: at four angles place of described frame (1) bottom, roller (18) is all housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521075957.9U CN205228739U (en) | 2015-12-22 | 2015-12-22 | Gas tightness detection device is held to car transfer case axon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521075957.9U CN205228739U (en) | 2015-12-22 | 2015-12-22 | Gas tightness detection device is held to car transfer case axon |
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| Publication Number | Publication Date |
|---|---|
| CN205228739U true CN205228739U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521075957.9U Active CN205228739U (en) | 2015-12-22 | 2015-12-22 | Gas tightness detection device is held to car transfer case axon |
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| CN (1) | CN205228739U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197892A (en) * | 2016-07-30 | 2016-12-07 | 沧州惠邦重工装备制造有限公司 | A kind of Battery case air tightness detection equipment |
| CN109341611A (en) * | 2018-10-26 | 2019-02-15 | 江苏世冠自动化设备有限公司 | A kind of inner ring automatic detection device |
| CN112629773A (en) * | 2020-12-31 | 2021-04-09 | 黄河水利职业技术学院 | Sealing performance detection device |
-
2015
- 2015-12-22 CN CN201521075957.9U patent/CN205228739U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197892A (en) * | 2016-07-30 | 2016-12-07 | 沧州惠邦重工装备制造有限公司 | A kind of Battery case air tightness detection equipment |
| CN106197892B (en) * | 2016-07-30 | 2018-09-07 | 沧州惠邦重工装备制造有限公司 | A kind of Battery case air tightness detection equipment |
| CN109341611A (en) * | 2018-10-26 | 2019-02-15 | 江苏世冠自动化设备有限公司 | A kind of inner ring automatic detection device |
| CN112629773A (en) * | 2020-12-31 | 2021-04-09 | 黄河水利职业技术学院 | Sealing performance detection device |
| CN112629773B (en) * | 2020-12-31 | 2022-09-20 | 黄河水利职业技术学院 | Sealing performance detection device |
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