CN220893676U - Spring brake chamber airtight performance testing arrangement convenient to adjust - Google Patents
Spring brake chamber airtight performance testing arrangement convenient to adjust Download PDFInfo
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- CN220893676U CN220893676U CN202322879907.7U CN202322879907U CN220893676U CN 220893676 U CN220893676 U CN 220893676U CN 202322879907 U CN202322879907 U CN 202322879907U CN 220893676 U CN220893676 U CN 220893676U
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000003028 elevating effect Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 238000013522 software testing Methods 0.000 description 1
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Abstract
The utility model relates to a device for testing the airtight performance of a spring brake chamber, which comprises a base, a mounting frame fixedly arranged on the upper surface of the base, a bottom frame slidingly arranged outside the mounting frame and a spring brake chamber arranged on the bottom frame, wherein a jack is fixedly arranged on the lower surface of the mounting frame, a mounting clamp is arranged on the upper surface of the bottom frame, a lifting mechanism for lifting and displacing the bottom frame is arranged on the upper surface of the base, and positioning structures are arranged on the bottom frame and the mounting frame; the lifting mechanism comprises a double-shaft motor fixedly arranged on the upper surface of the base, a screw rod fixedly arranged on two output shafts of the double-shaft motor and two support rods arranged between the base and the underframe. This spring brake chamber airtight performance testing arrangement convenient to adjust, quota and use through elevating system and location structure not only can be fast to the chassis lift, reduce adjustment time, improve test efficiency to reach the practicality and be convenient for adjust the advantage.
Description
Technical Field
The utility model relates to the technical field of automobile brake tests, in particular to a device for testing the airtight performance of a spring brake chamber, which is convenient to adjust.
Background
The rapid development of the automobile industry puts higher and higher demands on automobile brake systems. The spring brake chamber is used as a key part in the pneumatic brake system, has large braking force and good safety performance, and enables the vehicle body to obtain larger loading quality and stronger passing capacity, so the spring brake chamber is widely used in the engineering field and the large-scale passenger car field. In the running process of the automobile, if the phenomena of air leakage, damage and the like of the braking system occur, the spring braking air chamber can also automatically apply braking, and traffic accidents caused by failure of the braking system can be effectively avoided, so that the spring braking air chamber is increasingly used on the light automobile.
The air tightness testing device is needed in the production process of the spring brake chamber, and Chinese patent CN217833541U discloses an auxiliary device for disassembling and assembling the spring brake chamber, which comprises two mounting frames arranged in parallel, wherein the top of one side of each mounting frame, which is close to each other, is fixedly provided with the same top frame. The spring brake chamber can be conveniently and quickly disassembled and assembled, is suitable for various types of spring brake chambers, and has the advantages of simple structure and convenient operation.
According to the auxiliary device for disassembling and assembling the spring brake chamber, the positions of the underframe are adjusted according to the requirements of the spring brake chambers of different types, and then the underframe is fixed through the mounting bolts, but the adjustment is manually adjusted, so that the auxiliary device is troublesome in operation and low in efficiency, the detection time of the spring brake chamber is prolonged, and the mounting holes matched with the mounting bolts are easily enlarged in aperture and influence the adjustment after long-time compression, so that the use requirement cannot be met, and the air tightness performance testing device for the spring brake chamber is convenient to adjust, so that the problem of the spring brake chamber is solved.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the air tightness performance testing device for the spring brake chamber, which has the advantages of strong practicability, convenient adjustment and the like, and solves the problem that the adjustment of the placing heights of the spring brake chambers of different types is inconvenient.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a spring brake chamber airtight performance testing arrangement convenient to adjust, includes base, fixed mounting in the mounting bracket of base upper surface, slidable mounting in the outside chassis of mounting bracket and the spring brake chamber of setting on the chassis, the lower surface fixed mounting of mounting bracket has the jack, the upper surface mounting of chassis has mounting fixture, the upper surface of base is provided with the elevating system who carries out elevating displacement to the chassis, be provided with location structure on chassis and the mounting bracket;
The lifting mechanism comprises a double-shaft motor fixedly arranged on the upper surface of the base, lead screws fixedly arranged on two output shafts of the double-shaft motor, and two support rods arranged between the base and the underframe, wherein the outer parts of the two lead screws are respectively connected with a movable block in a threaded manner, the separated ends of the two support rods are respectively hinged with a hinged seat, the two hinged seats at the bottom are respectively fixedly arranged on the upper surfaces of the two movable blocks, and the two hinged seats at the top are slidably arranged on the lower surface of the underframe;
The positioning structure comprises a positioning rod arranged in the bottom frame, an adjusting hole matched with the positioning rod is formed in the mounting frame, and the positioning rod is spliced with the adjusting hole.
Further, two the movable block symmetric distribution, and the equal fixed mounting of lower surface of two movable blocks has the stopper, the spout with two stopper looks adaptations has been seted up to the inside of base, and two stoppers respectively with two spouts sliding connection.
Further, the two support rods are crossed and rotatably connected, threads on the two lead screws are opposite, and one separated end of each lead screw is connected with an inner bearing of the mounting frame.
Further, a guide rod is arranged at the output end of the jack, and the spring brake air chamber is arranged in the mounting fixture.
Further, two extension springs which are symmetrically distributed are fixedly arranged on the inner bottom wall of the mounting frame, a fixing plate is arranged on the outer portion of the jack, and the bottom ends of the two extension springs are fixed with the upper surface of the fixing plate.
Further, the quantity of regulation hole is a plurality of in the location structure, and a plurality of regulation holes equidistance distributes in the both sides of mounting bracket.
Further, the number of the lifting mechanisms is two, and the two lifting mechanisms are symmetrically arranged.
Compared with the prior art, the utility model provides the air tightness performance testing device for the spring brake chamber, which is convenient to adjust and has the following beneficial effects:
1. This airtight performance testing arrangement of spring brake chamber convenient to adjust, quota and use through elevating system and location structure not only can be fast to the chassis lift, reduce adjustment time, improve efficiency of software testing, stability when can also improving the test to reach the practicality and be convenient for adjust the advantage, effectively solved the spring brake chamber of different models and placed the comparatively inconvenient problem of regulation of height.
2. This spring brake chamber airtight performance testing arrangement convenient to adjust leads the stopper through the spout, guarantees two movable blocks linear displacement, improves the regulation to the chassis, through extension spring's setting, is convenient for fix the mounting panel, the position of the fixed jack of being convenient for.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
Fig. 3 is a front view of the structure of the present utility model.
In the figure: 1. a base; 2. a mounting frame; 3. a chassis; 4. a spring brake chamber; 5. a jack; 6. installing a clamp; 7. a tension spring; 8. a guide rod; 9. a biaxial motor; 10. a screw rod; 11. a moving block; 12. a support rod; 13. a hinge base; 14. a limiting block; 15. a positioning rod; 16. an adjustment aperture; 17. and a support structure.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
Referring to fig. 1-2, a spring brake chamber airtight performance testing arrangement convenient to adjust, including base 1, fixed mounting in the mounting bracket 2 of base 1 upper surface, slidable mounting in the outside chassis 3 of mounting bracket 2 and set up the spring brake chamber 4 on chassis 3, the lower fixed surface of mounting bracket 2 installs jack 5, and the last surface mounting fixture 6 of chassis 3 has, and mounting fixture 6 includes tray, sleeve, horizontal pole and montant, the sleeve is located the top of tray, and horizontal pole and montant are three, and three horizontal pole equidistance interval is fixed around the sleeve, and montant fixed mounting is in the bottom of horizontal pole, the tray is run through to the bottom of montant, multilayer recess has been seted up at the top of tray, spring brake chamber 4 is placed on the tray, and with multilayer recess looks adaptation.
It should be noted that the mounting fixture belongs to a conventional technology known to the public in the prior art, so that the specific structural composition and working principle thereof will not be repeated herein.
The output end of the jack 5 is provided with a guide rod 8, and the spring brake chamber 4 is arranged in the mounting fixture 6. Two extension springs 7 which are symmetrically distributed are fixedly arranged on the inner bottom wall of the mounting frame 2, a fixed plate is arranged outside the jack 5, and the bottom ends of the two extension springs 7 are fixed with the upper surface of the fixed plate.
In this embodiment, a lifting mechanism for lifting and displacing the chassis 3 is disposed on the upper surface of the base 1, the lifting mechanism includes a dual-shaft motor 9 fixedly mounted on the upper surface of the base 1, a lead screw 10 fixedly mounted on two output shafts of the dual-shaft motor 9, and two support rods 12 disposed between the base 1 and the chassis 3, the two lead screws 10 are externally threaded and connected with moving blocks 11, two hinge seats 13 are hinged at opposite ends of the two support rods 12, and two hinge seats 13 at the bottom are respectively fixedly mounted on the upper surfaces of the two moving blocks 11, and two hinge seats 13 at the top are slidably mounted on the lower surface of the chassis 3; the two support rods 12 are crossed and rotatably connected, threads on the two lead screws 10 are opposite, and the opposite ends of the two lead screws 10 are respectively connected with the inner bearings of the mounting frame 2.
It should be noted that, the two moving blocks 11 are symmetrically distributed, the limiting blocks 14 are fixedly installed on the lower surfaces of the two moving blocks 11, the sliding grooves matched with the two limiting blocks 14 are formed in the base 1, and the two limiting blocks 14 are respectively and slidably connected with the two sliding grooves. The limiting block 14 is guided through the sliding groove, so that the linear displacement of the two moving blocks 14 is guaranteed, and the adjustment of the underframe 3 is improved. The number of the lifting mechanisms is two, and the two lifting mechanisms are symmetrically arranged.
When the spring brake device is used, the double-shaft motor 9 is started to drive the screw rod 10 to rotate, the screw rod 10 rotates to drive the two moving blocks 11 to move, the two moving blocks 11 move to lift and adjust the underframe 3 through the two support rods 12, and therefore spring brake air chambers 4 of different types are convenient to use.
In the embodiment, positioning structures are arranged on the underframe 3 and the mounting frame 2; the positioning structure comprises a positioning rod 15 arranged in the bottom frame 3, an adjusting hole 16 matched with the positioning rod 15 is formed in the mounting frame 2, and the positioning rod 15 is spliced with the adjusting hole 16. The positioning rod 15 is inserted into the adjusting hole 16 to further fix the underframe 3, so that the support of the underframe 3 is improved, and meanwhile, the safety of the spring brake chamber during the test 4 is improved.
The number of the adjusting holes 16 in the positioning structure is multiple, and the adjusting holes 16 are equidistantly distributed on two sides of the mounting frame 2. Through a plurality of regulation holes 16, can be better cooperate elevating system to carry out the lift adjustment to chassis 3.
Embodiment two:
Referring to fig. 1-3, in accordance with a first embodiment, the device comprises a support structure 17 fixedly mounted on a lower surface of a base 1, wherein the support structure comprises a support base and a support rod, and the support rod is welded on an upper surface of the support base. The top of the supporting rod is fixedly arranged on the lower surface of the base 1.
In this embodiment, the number of the supporting structures 17 is four, and the four supporting structures 17 are distributed in a rectangular shape.
Wherein, the lower surface mounting of supporting seat has the rubber pad, not only can realize the buffering effect, can also increase frictional force, guarantees that the device is stable to be placed.
By adopting the technical scheme, the device is stably placed, and the test effect on the spring brake chamber 4 is improved.
The working principle of the embodiment is as follows:
The screw rod 10 is driven to rotate by starting the double-shaft motor 9, the screw rod 10 rotates to drive the two moving blocks 11 to move, the two moving blocks 11 move to lift and adjust the underframe 3 through the two supporting rods 12, spring brake chambers 4 of different models are convenient to use, after the underframe 3 is adjusted, the positioning rods 15 are inserted into the adjusting holes 16, the underframe 3 is further fixed, the support to the underframe 3 is improved, and meanwhile, the safety of the spring brake chambers during testing 4 is improved.
The electrical components appearing herein are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device for controlling a computer and the like, and the prior art of power connection is not described in detail herein.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a spring brake air chamber airtight performance testing arrangement convenient to adjust, includes base (1), fixed mounting in mounting bracket (2) of base (1) upper surface, slidable mounting in outside chassis (3) of mounting bracket (2) and sets up spring brake air chamber (4) on chassis (3), its characterized in that: the lifting device is characterized in that a jack (5) is fixedly arranged on the lower surface of the mounting frame (2), a mounting clamp (6) is arranged on the upper surface of the bottom frame (3), a lifting mechanism for lifting and displacing the bottom frame (3) is arranged on the upper surface of the base (1), and a positioning structure is arranged on the bottom frame (3) and the mounting frame (2);
The lifting mechanism comprises a double-shaft motor (9) fixedly mounted on the upper surface of the base (1), a screw rod (10) fixedly mounted on two output shafts of the double-shaft motor (9) and two support rods (12) arranged between the base (1) and the underframe (3), wherein the outer parts of the screw rods (10) are respectively connected with a movable block (11) in a threaded manner, the opposite ends of the two support rods (12) are respectively hinged with a hinged seat (13), the two hinged seats (13) at the bottom are respectively fixedly mounted on the upper surfaces of the two movable blocks (11), and the two hinged seats (13) at the top are slidably mounted on the lower surface of the underframe (3);
The positioning structure comprises a positioning rod (15) arranged in the underframe (3), an adjusting hole (16) matched with the positioning rod (15) is formed in the mounting frame (2), and the positioning rod (15) is inserted into the adjusting hole (16).
2. The device for testing the airtight performance of the spring brake chamber convenient to adjust according to claim 1, wherein: the two movable blocks (11) are symmetrically distributed, limiting blocks (14) are fixedly mounted on the lower surfaces of the two movable blocks (11), sliding grooves matched with the two limiting blocks (14) are formed in the base (1), and the two limiting blocks (14) are respectively connected with the two sliding grooves in a sliding mode.
3. The device for testing the airtight performance of the spring brake chamber convenient to adjust according to claim 1, wherein: the two support rods (12) are crossed and rotatably connected, threads on the two lead screws (10) are opposite, and the separated ends of the two lead screws (10) are respectively connected with the inner bearings of the mounting frame (2).
4. The device for testing the airtight performance of the spring brake chamber convenient to adjust according to claim 1, wherein: the output end of the jack (5) is provided with a guide rod (8), and the spring brake air chamber (4) is arranged in the mounting fixture (6).
5. The device for testing the airtight performance of the spring brake chamber convenient to adjust according to claim 1, wherein: two extension springs (7) which are symmetrically distributed are fixedly arranged on the inner bottom wall of the mounting frame (2), a fixing plate is arranged outside the jack (5), and the bottom ends of the two extension springs (7) are fixed with the upper surface of the fixing plate.
6. The device for testing the airtight performance of the spring brake chamber convenient to adjust according to claim 1, wherein: the number of the adjusting holes (16) in the positioning structure is multiple, and the adjusting holes (16) are equidistantly distributed on two sides of the mounting frame (2).
7. The device for testing the airtight performance of the spring brake chamber convenient to adjust according to claim 1, wherein: the number of the lifting mechanisms is two, and the two lifting mechanisms are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322879907.7U CN220893676U (en) | 2023-10-26 | 2023-10-26 | Spring brake chamber airtight performance testing arrangement convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322879907.7U CN220893676U (en) | 2023-10-26 | 2023-10-26 | Spring brake chamber airtight performance testing arrangement convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220893676U true CN220893676U (en) | 2024-05-03 |
Family
ID=90842134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322879907.7U Active CN220893676U (en) | 2023-10-26 | 2023-10-26 | Spring brake chamber airtight performance testing arrangement convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220893676U (en) |
-
2023
- 2023-10-26 CN CN202322879907.7U patent/CN220893676U/en active Active
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