CN117629525A - Axle differential mechanism installation gas tightness detection device - Google Patents
Axle differential mechanism installation gas tightness detection device Download PDFInfo
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- CN117629525A CN117629525A CN202311469833.8A CN202311469833A CN117629525A CN 117629525 A CN117629525 A CN 117629525A CN 202311469833 A CN202311469833 A CN 202311469833A CN 117629525 A CN117629525 A CN 117629525A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 218
- 238000001514 detection method Methods 0.000 title claims abstract description 46
- 238000009434 installation Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- 238000003825 pressing Methods 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 26
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 25
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 25
- 241001330002 Bambuseae Species 0.000 claims description 25
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 25
- 239000011425 bamboo Substances 0.000 claims description 25
- 210000000078 claw Anatomy 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000000407 epitaxy Methods 0.000 claims description 4
- 210000003739 neck Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 description 12
- 230000001105 regulatory effect Effects 0.000 description 12
- 238000001914 filtration Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to the technical field of detection devices and discloses an axle differential mechanism installation air tightness detection device which comprises a water tank and a differential mechanism placing cylinder which is arranged in the water tank and has an opening at the upper end and a cylindrical structure, wherein a cover plate for supporting the extension of a differential mechanism is arranged at the upper end of the differential mechanism placing cylinder, the cover plate is in sealing connection with the opening at the upper end of the differential mechanism placing cylinder, the middle part of the cover plate is provided with a movable pressing fixing mechanism for sealing and fixing differential mechanisms with different sizes, the axle differential mechanism installation air tightness detection device also comprises a lifting mechanism for driving the differential mechanism placing cylinder to move up and down, the differential mechanism placing cylinder is connected with the water tank through the lifting mechanism, and the lifting mechanism comprises a lifting oil cylinder fixed on the water tank, and a telescopic shaft of the lifting oil cylinder is connected with a connecting lug fixed on the differential mechanism placing cylinder.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to an axle differential mechanism installation air tightness detection device.
Background
The differential consists of parts such as a planetary gear, a planetary carrier (differential case), a half shaft gear and the like. The power of the engine enters the differential mechanism through the transmission shaft to directly drive the planetary wheel carrier, and then the planetary wheel drives the left half shaft and the right half shaft to respectively drive the left wheel and the right wheel. The design requirement of the differential mechanism meets the following conditions: (left axle shaft rotational speed) + (right axle shaft rotational speed) =2 (carrier rotational speed). When the automobile runs straight, the rotation speeds of the left wheel, the right wheel and the planetary wheel carrier are equal and are in a balanced state, and when the automobile turns, the balanced state of the left wheel, the right wheel and the planetary wheel carrier is destroyed, so that the rotation speed of the inner wheel is reduced, and the rotation speed of the outer wheel is increased. In order to ensure that gears are meshed, rotated and smooth, the assembled differential mechanism is free from the conditions of jamming, rust and the like, antirust liquid and lubricating oil can be filled into the differential mechanism, and the normal use of the gears in the differential mechanism is ensured, so that the differential mechanism is required to be completely assembled, and no leakage is caused at other parts except for an oil outlet which can be normally opened and closed, therefore, tightness detection is an essential link in the production process, and a special set of airtight detection equipment is used for airtight detection.
The existing detection equipment and method are complex in operation and various in process, an operator is required to operate the detection clamp for multiple times, different personnel, different methods and different forces are involved in the detection of products and the production efficiency of workshops, the working procedure is long in time for the operator to put on duty, and the operator is reluctant to select the working procedure. And the different sizes of differential mechanism model are also different, and some assembly workshops are in the assembly with the differential mechanism mixture of different models together, need carry out the gas tightness respectively after the assembly is accomplished and detect, and many gas tightness detection in the actual production only can correspond the product test of a model, if the product changes or have the product of new increase can't satisfy collineation production.
Disclosure of Invention
The invention aims to provide an axle differential mechanism installation air tightness detection device, which aims to solve the problems that the existing detection equipment is complex in operation, various in process and poor in detection precision, and can not realize the collinear production of products with various types.
The technical aim of the invention is realized by the following technical scheme:
the utility model provides an axle differential mechanism installation gas tightness detection device, is including being used for the water tank and setting up in the water tank and the differential mechanism of upper end opening, tubular structure places a section of thick bamboo, the differential mechanism is placed the upper end of section of thick bamboo and is equipped with the apron that supports the differential mechanism epitaxy, the apron is with differential mechanism place the upper end opening sealing connection of section of thick bamboo, the middle part of apron is equipped with and is used for carrying out sealed fixed activity to differential mechanism of equidimension and compresses tightly fixed establishment and connect, still including the elevating system who is used for driving differential mechanism and places a section of thick bamboo up-and-down motion, differential mechanism is placed a section of thick bamboo and is connected with the water tank through elevating system, elevating system is including fixing the lift cylinder on the water tank, the telescopic shaft of lift cylinder is connected with the engaging lug of fixing on differential mechanism placement section of thick bamboo.
Through adopting above-mentioned technical scheme, when carrying out the gas tightness and examining, only need to fall into differential mechanism and place in the section of thick bamboo, make the epitaxial support of differential mechanism place on the apron of section of thick bamboo upper end at differential mechanism, the one side that differential mechanism gear exposes gets into differential mechanism and places in the inner chamber of section of thick bamboo, the rethread activity compresses tightly fixed establishment and automatic fix differential mechanism epitaxial pressure on differential mechanism places the apron of section of thick bamboo upper end, make between differential mechanism epitaxy and the apron relatively fixed, seal, afterwards, it descends to place the section of thick bamboo to drive differential mechanism automatically through elevating system, make the surface of water tank submerge the differential mechanism top, whether the stationary observation surface of water has the bubble to produce, if there is the bubble, then it has the leakage point to demonstrate differential mechanism, if there is not the bubble, then it is the gas tightness is good, equipment simple structure, and is convenient for operation, the greatly reduced manual operation's detection precision's influence, simultaneously, high automation degree, and activity compresses tightly fixed establishment can realize carrying out the sealing and fix to differential mechanism of different sizes automatically, make the equipment commonality better, can satisfy the collineation production of multiple products.
The invention is further provided with: the movable compression fixing mechanism comprises a plurality of adjusting grooves which are circumferentially and uniformly distributed on the cover plate, one ends of the adjusting grooves close to the center of the cover plate penetrate through, each adjusting groove is internally provided with an adjusting block, each adjusting block is in sliding fit with the corresponding adjusting groove, the upper end face of each adjusting block is flush with the upper end face of the cover plate, one end, away from the center of the cover plate, of each adjusting block is connected with one end, away from the center of the cover plate, of each adjusting block through a spring, one side, close to the center of the cover plate, of each adjusting block is arc-shaped, an upwardly extending arc-shaped boss is arranged on one side, close to the center of the cover plate, of each adjusting block is provided with an annular air bag with an L-shaped cross section, a plurality of arc-shaped supporting pieces with L-shaped cross sections are arranged in the annular air bag, the end parts of each two adjacent arc-shaped supporting pieces are mutually overlapped, the inner side wall of the annular air bag abuts against one side, away from the center of the cover plate, of the arc-shaped boss is far smaller than the thickness of the annular air bag.
By adopting the technical scheme, each adjusting block slides to the position close to the center of the cover plate under the extrusion of the spring, so that the arc plates arranged on one side of each adjusting block close to the center of the cover plate are gathered, the diameter of the circumference of each arc plate is ensured to be smaller than the diameter of the opening on the inner side of the extension of the differential mechanism, the extension of the differential mechanism can be borne on the annular air bag on the flush surface of the adjusting block and the cover plate when the differential mechanism is placed into the differential mechanism placing cylinder in an inverted mode, the arc plates on the adjusting block are positioned in the inner cavity of the differential mechanism, when the adjusting blocks are driven to overcome the spring force and slide towards one side far away from the center of the cover plate, the arc plates expand along with the direction that the adjusting block is far away from the center of the cover plate, so that the side surface of the arc plates far from the center of the cover plate is gradually extruded on the inner side wall of the differential mechanism, one end of the annular air bag is extruded between the outer edge bottom of the differential mechanism and the upper end surface of the adjusting block and the cover plate, the other end of the annular air bag is extruded between the inner wall of the differential mechanism and the side wall of the arc plate far away from the center of the cover plate, the differential mechanism can well fill gaps between the bottom of the outer edge of the differential mechanism and the upper end surface of the adjusting block and the cover plate and between the inner wall of the differential mechanism and the side wall of the arc plate far away from the center of the cover plate under the action of the extrusion force of the inner wall of the differential mechanism and the arc plate, so that after the differential mechanism is compressed, the differential mechanism is relatively fixed and sealed between the outer edge of the differential mechanism and the cover plate, the arc-shaped supporting sheet in the annular air bag is used for supporting the annular air bag, and when the arc plate on the adjusting block slides back and forth along the adjusting groove along with the adjusting block, the annular air bag is enlarged or contracted, the annular air bag can be always kept to be enlarged or contracted in the annular state with the L-shaped section under the support of the arc-shaped supporting sheet, thereby adapting to the relative fixation and sealing between the differential mechanism and the cover plate with different sizes.
The invention is further provided with: the movable pressing and fixing mechanism further comprises a pressing lever used for pressing the extension of the differential mechanism, a fulcrum of the pressing lever is fixed on the cover plate through a hinged support, one end of the pressing lever is located above the cover plate and opposite to the upper end face of the adjusting block on the cover plate, and the other end of the pressing lever is connected with the water tank through a connecting rod mechanism used for driving the adjusting block to seal and fix the differential mechanism.
Through adopting above-mentioned technical scheme, the hold-down lever passes through link mechanism and is connected with the water tank for when the apron placed section of thick bamboo along with the differential mechanism for the water tank downward movement, the hold-down lever is upwards perk with the one end that link mechanism is connected, consequently, the hold-down lever is located the one end that the up end of the regulating block on apron is relative down movement, until contact with the epitaxial up end of differential on the differential regulating block and support the annular gasbag on regulating block and apron with the epitaxial of differential, thereby realize the sealed fixation between differential epitaxial bottom and the apron, can drive the regulating block and overcome spring force and slide to the one side that keeps away from the apron center when upwards perk simultaneously, thereby make the arc that fixes on the regulating block gradually to the direction motion that keeps away from the apron center, until the arc is kept away from the side of apron center one side and is extruded gradually on the differential inside wall, the one end of annular gasbag is extruded between differential outer edge bottom and regulating block and apron up end, the other end is extruded between the inner wall of differential and the lateral wall that keeps away from the center, consequently, the relative fixation between differential and the apron has been realized.
The invention is further provided with: the connecting rod mechanism comprises a first connecting rod and a second connecting rod which are equal in length and are arranged in parallel, the end parts of the same side of the first connecting rod and the second connecting rod are respectively hinged with the inner wall of the water tank, the end parts of the other sides of the first connecting rod and the second connecting rod are respectively hinged with the two ends of the third connecting rod, the bottom of the third connecting rod is in sliding fit with a long hole on the pressing lever through a driving shaft, the two ends of the driving shaft are respectively hinged with the connecting parts of the two sides of the regulating block through a fourth connecting rod and a fifth connecting rod, and a pressure sensor is arranged on the connecting part.
Through adopting above-mentioned technical scheme, when the apron placed the section of thick bamboo along with the differential mechanism and is down-moved for the water tank, compress tightly the lever and place the apron synchronous down-movement on the section of thick bamboo along with the differential mechanism, can drive the connecting rod three down-movement rather than being connected when compressing tightly the lever down-movement, connecting rod one and connecting rod two respectively with connecting rod three both ends articulated can rotate down around its articulated point with the water tank inner wall when connecting rod three down-movement, thereby make the lower extreme of connecting rod three follow the slot hole on compressing tightly the lever and transversely slide to the direction that is close to the water tank inner wall in the in-process of down-movement, in the process of transversely sliding, the drive shaft of connecting rod three below can transversely pull connecting rod four and connecting rod five, make connecting rod four and connecting rod five apply transverse tension to the connecting portion of regulating block both sides, thereby make the regulating block drive the arc slide to the direction that keeps away from the end cover center and prop up differential mechanism from the differential mechanism, after the arc supports tightly on the inner wall of differential mechanism, the lower extreme of compressing tightly of lever just compresses tightly on regulating block and apron up the upper end face. Therefore, synchronous compression fixation of the differential is realized. At this time, the regulating block and the arc plate can not continue the transverse movement any more, at this time, after the pressure sensor on the connecting part of the two sides of the regulating block detects that the tension of the connecting rod IV and the connecting rod V gradually reaches the upper limit, the differential mechanism placing cylinder is controlled by the controller to stop the downward movement, at this time, water is injected into the water tank, the water surface of the water tank is enabled to exceed the top end of the differential mechanism, and then the air tightness of the differential mechanism product is judged by observing whether air bubbles are generated or not.
The invention is further provided with: be equipped with the air inlet with intake-tube connection on the differential mechanism placed section of thick bamboo, the water tank is connected with the cistern through inlet tube and outlet pipe, be equipped with the ooff valve on inlet tube and the outlet pipe respectively, the cistern includes two chambeies, and two chambeies separate through filter equipment, filter equipment include with cistern cross-section assorted filter screen frame and the draw-in groove of setting on the opposite both sides wall of cistern, filter screen frame and the vertical sliding fit of draw-in groove, inlet tube and outlet pipe communicate with two chambeies of cistern respectively.
Through adopting above-mentioned technical scheme, when the surface of water tank is beyond differential mechanism top, can place the gas of certain pressure in the inner chamber of section of thick bamboo to differential mechanism through the intake pipe, and can realize the gas tightness of differential mechanism under different pressure states through changing the pressure of filling in gas, the variety that has improved the gas tightness greatly detects, after detecting, with water drainage cistern after again will newly wait to detect the differential mechanism and install in the water tank and reinjection water detects, so relapse, in addition, just to the water injection in the water tank after differential mechanism is compressed tightly sealed fixed, can effectively avoid water to get into the inner chamber of differential mechanism and form the water seal, and can't detect the gas leakage position, lead to the big problem of detection error, effectively improved the precision that the gas tightness detected, the cistern is used for supplying water to the water tank with the chamber of inlet tube intercommunication, the cistern is used for holding the water of discharging from the water tank, the water that discharges in the water tank can get into the water tank again after filtering through filter equipment, filter the water that gets into the water tank again, make the water that gets into the water tank keep clean all the time, the differential mechanism of being convenient for observe more, the differential mechanism and the gas leakage position is qualified position of gas leakage position, thereby the differential mechanism is convenient for observe the gas leakage position.
The invention is further provided with: the automatic feeding and discharging device is characterized in that a feeding and discharging mechanism used for feeding and discharging the differential mechanism is arranged above the water tank, the feeding and discharging mechanism comprises a portal frame, a transverse sliding rail and a screw rod parallel to the transverse sliding rail are arranged above the portal frame, one end of the screw rod is connected with a feeding and discharging driving motor, the transverse sliding rail is in sliding fit with the transverse sliding block, the transverse sliding block is in threaded fit with the screw rod, a reel is fixedly arranged on the transverse sliding block, the reel is connected with the winding motor through a reel rotating shaft, a cable used for feeding and discharging is wound on the reel, one end of the cable is fixed on the reel, and one end of the cable is provided with a material taking mechanism.
Through adopting above-mentioned technical scheme, go up unloading mechanism and be used for the automatic feeding of differential mechanism as far as the heart and unloading, thereby reach the purpose that reduces artifical intensity of labour, during the material loading, start up unloading driving motor, make last unloading driving motor drive lead screw rotatory, thereby make with lead screw threaded connection's horizontal slider slide to the position relative with the differential mechanism that waits to detect, then start the wire winding motor, wire winding motor drive reel is rotatory, thereby release the cable to the grabbing position of differential mechanism and grasp differential mechanism, then reverse drive wire winding motor, make the wire winding reel reverse rotation, thereby promote the differential mechanism of grabbing to the position that is higher than the water tank, then reverse drive goes up unloading driving motor again, make the slider take the differential mechanism that will grab to the water tank in the differential mechanism place the section of thick bamboo, then control wire winding motor drive wire winding wheel rotation place the differential mechanism on the cable on the differential mechanism place the section of thick bamboo, realize with the material loading of differential mechanism, the unloading process is similar to the material taking process after the differential mechanism with the detection is accomplished and is put down and is moved to the automatic position of setting for the whole material taking process, labour saving and time saving.
The invention is further provided with: the material taking mechanism comprises two L-shaped material taking claws which are symmetrically arranged, the upper ends of the longitudinal extending parts of the material taking claws are fixed at the end parts of a cable through connecting seats, the two transverse extending parts of the lower ends of the material taking claws are opposite, semicircular grooves are respectively formed in one sides, close to each other, of the two transverse extending parts of the lower ends of the material taking claws, and the semicircular grooves are matched with the neck part of the differential mechanism assembly body.
Through adopting above-mentioned technical scheme, when the feeding mechanism gets the material, the lower extreme of getting the claw with two "L" shapes through the staff separates to make two half-round grooves on two lateral extension parts of the lower extreme of two "L" shapes get the claw loosen behind the neck of differential mechanism assembly respectively, then lift up through the hawser, two lateral extension parts of two "L" shapes get the claw naturally fold under the action of gravity and block the neck of differential mechanism assembly through two box half-round grooves, consequently realized the snatch of differential mechanism, when needing to put down the differential mechanism, through making the hawser keep on down the motion after two "L" shapes get the claw with the differential mechanism place, then the manual lower extreme with two "L" shapes get the claw separate can, and is simple in structure, convenient operation.
The invention is further provided with: and a first conveying belt for conveying the product to be detected and a second conveying belt for conveying the product after detection are respectively arranged at the positions below the feeding and discharging mechanism and at the two sides of the water tank.
Through adopting above-mentioned technical scheme, conveyer belt one and conveyer belt are used for respectively treating the product of detecting and detecting the product after accomplishing and support and carry, need not artifical transport, have further reduced people's intensity of labour.
The beneficial effects of the invention are as follows:
1. when the air tightness detection is carried out, the differential mechanism is only required to be placed in the differential mechanism placing cylinder in an inverted mode, so that the extension of the differential mechanism is supported on the cover plate at the upper end of the differential mechanism placing cylinder, one exposed surface of the differential mechanism gear enters the inner cavity of the differential mechanism placing cylinder, the extension of the differential mechanism is automatically pressed and fixed on the cover plate at the upper end of the differential mechanism placing cylinder through the movable pressing fixing mechanism, the differential mechanism extension and the cover plate are relatively fixed and sealed, the differential mechanism placing cylinder is automatically driven to descend through the lifting mechanism, the water surface of the water tank is enabled to be over the top end of the differential mechanism, whether air bubbles are generated on the water surface or not is statically observed, if the air bubbles are generated, the differential mechanism is indicated to have leakage points, if the air bubbles are not generated, the air tightness is indicated to be good, the device is simple in structure and convenient to operate, the influence of manual operation detection precision is greatly reduced, meanwhile, the degree of automation is high, the manual labor intensity is low, and the movable pressing fixing mechanism can automatically realize sealing fixing of the differential mechanisms with different sizes, so that the device has better universality and can meet the collinear production of various products.
2. According to the invention, when the water surface of the water tank passes through the top end of the differential mechanism, gas with certain pressure can be filled into the inner cavity of the differential mechanism placing cylinder through the air inlet pipe, the air tightness of the differential mechanism in different pressure states can be realized through changing the pressure of the filled gas, the diversity of air tightness detection is greatly improved, after the detection is finished, the water is discharged into the reservoir, a new differential mechanism to be detected is installed in the water tank and water is refilled for detection, and the operation is repeated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of an axle differential mounting air tightness detecting device of the present invention.
Fig. 2 is an enlarged partial schematic view of a in fig. 1.
FIG. 3 is a schematic structural view of an axle differential for inspection.
Fig. 4 is a schematic diagram of a connection structure between movable compression fixing and a link mechanism in the axle differential installation air tightness detection device of the present invention.
Fig. 5 is a schematic diagram of a partial method of B in fig. 4.
Fig. 6 is a schematic structural view of a material taking mechanism in an axle differential mounting air tightness detecting device according to the present invention.
Fig. 7 is a schematic view of a lifting mechanism in an axle differential mounting air tightness detecting device according to the present invention.
In the figure, 1, a water tank; 2. a differential placement barrel; 3. a differential; 4. epitaxy; 5. a cover plate; 6. a movable compression fixing mechanism; 601. an adjustment tank; 602. an adjusting block; 603. a spring; 604. arc-shaped bosses; 605. an annular air bag; 606. an arc-shaped supporting piece; 607. a pressing lever; 608. a hinged support; 7. a lifting mechanism; 701. a lifting oil cylinder; 702. a connecting lug; 8. a link mechanism; 801. a first connecting rod; 802. a second connecting rod; 803. a connecting rod III; 804. a drive shaft; 805. a connecting rod IV; 806. a connecting rod V; 807. a connection part; 808. a long hole; 9. an air inlet; 10. a loading and unloading mechanism; 1001. a portal frame; 1002. a slide rail; 1003. a screw rod; 1004. feeding and discharging driving motors; 1005. a transverse slide block; 1006. a reel; 1007. a reel shaft; 1008. a wound motor; 1009. a cable; 11. a material taking mechanism; 1101. a material taking claw; 1102. a longitudinal extension; 1103. a connecting seat; 1104. a lateral extension; 1105. a semicircular groove; 12. a first conveyer belt; 13. a second conveyer belt; 14. a water inlet pipe; 15. a water outlet pipe; 16. a reservoir; 17. a filtering device; 171. a filter screen frame; 172. a clamping groove.
Detailed Description
The technical scheme of the present invention will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
As shown in fig. 1 to 7, an axle differential mechanism installation tightness detection device comprises a differential mechanism placing cylinder 2 which is used for a water tank 1 and is arranged in the water tank 1 and is provided with an opening at the upper end and a tubular structure, wherein the upper end of the differential mechanism placing cylinder 2 is provided with a cover plate 5 which supports the extension 4 of a differential mechanism 3, the cover plate 5 is in sealing connection with the opening at the upper end of the differential mechanism placing cylinder 2, the middle part of the cover plate 5 is provided with a movable pressing fixing mechanism 6 which is used for sealing and fixing the differential mechanism 3 with different sizes, the axle differential mechanism installation tightness detection device further comprises a lifting mechanism 7 which is used for driving the differential mechanism placing cylinder 2 to move up and down, the differential mechanism placing cylinder 2 is connected with the water tank 1 through the lifting mechanism 7, the lifting mechanism 7 comprises a lifting oil cylinder 701 which is fixed on the water tank 1, and a telescopic shaft of the lifting oil cylinder 701 is connected with a connecting lug 702 which is fixed on the differential mechanism placing cylinder 2.
Further, the movable pressing fixing mechanism 6 comprises a plurality of adjusting grooves 601 circumferentially and uniformly distributed on the cover plate 5, one end of each adjusting groove 601 close to the center of the cover plate 5 penetrates through, each adjusting groove 601 is internally provided with an adjusting block 602, each adjusting block 602 is in sliding fit with the corresponding adjusting groove 601, the upper end face of each adjusting block 602 is flush with the upper end face of the corresponding cover plate 5, one end, far away from the center of the cover plate 5, of each adjusting block 602 is connected with one end, far away from the center of the cover plate 5, of each adjusting block 602 through a spring 603, one side, close to the center of the cover plate 5, of each adjusting block 602 is arc-shaped, one side, close to the center of the cover plate 5, of each adjusting block 602 is provided with an arc-shaped boss 604 extending upwards, an annular air bag 605 with an L-shaped cross section is arranged on the surface of the cover plate 5 flush with the adjusting block 602, a plurality of arc-shaped supporting pieces 606 with L-shaped cross sections are arranged in the annular air bag 605, the end parts of the adjacent two arc-shaped supporting pieces 606 are mutually overlapped, the inner side walls of the annular air bag 605 abut against one side, far away from the center of the cover plate 5, and the thickness of the arc-shaped supporting pieces 605 is smaller than that of the annular air bag 605.
Further, the movable pressing and fixing mechanism 6 further includes a pressing lever 607 for pressing the extension 4 of the differential 3, the fulcrum of the pressing lever 607 is fixed on the cover plate 5 through a hinge 608, one end of the pressing lever 607 is located above the cover plate 5 and opposite to the upper end face of the adjusting block 602 on the cover plate 5, and the other end of the pressing lever 607 is connected to the water tank 1 through a link mechanism 8 for driving the adjusting block 602 to seal and fix the differential 3.
Further, the link mechanism 8 includes a first link 801 and a second link 802 which are equal in length and are arranged in parallel, the ends of the same side of the first link 801 and the second link 802 are respectively hinged with the inner wall of the water tank 1, the ends of the other side of the first link 801 and the second link 802 are respectively hinged with the two ends of a third link 803, the bottom of the third link 803 is in sliding fit with a long hole 808 on the pressing lever 607 through a driving shaft 804, the two ends of the driving shaft 804 are respectively hinged with connecting portions 807 on two sides of the adjusting block 602 through a fourth link 805 and a fifth link 806, and a pressure sensor is arranged on the connecting portions 807.
Further, the differential mechanism placing cylinder 2 is provided with an air inlet 9 connected with an air inlet pipe, the water tank 1 is connected with the water reservoir 16 through the water inlet pipe 14 and the water outlet pipe 15, the water reservoir 16 comprises two cavities, the two cavities are separated by the filtering device 17, the filtering device 17 comprises a filtering screen frame 171 matched with the section of the water reservoir 16 and clamping grooves 172 arranged on two opposite side walls of the water reservoir 16, the filtering screen frame 171 is longitudinally matched with the clamping grooves 172 in a sliding mode, and the water inlet pipe 14 and the water outlet pipe 15 are respectively communicated with the two cavities of the water reservoir 16.
Further, a loading and unloading mechanism 10 for loading and unloading the differential mechanism 3 is arranged above the water tank 1, the loading and unloading mechanism 10 comprises a portal frame 1001, a transverse sliding rail 1002 and a screw 1003 parallel to the transverse sliding rail 1002 are arranged above the portal frame 1001, one end of the screw 1003 is connected with a loading and unloading driving motor 1004, the transverse sliding rail 1002 is in sliding fit with the transverse sliding block 1005, the transverse sliding block 1005 is in threaded fit with the screw 1003, a reel 1006 is fixedly arranged on the transverse sliding block 1005, the reel 1006 is connected with the reel motor 1008 through a reel spool 1007, a cable 1009 for loading and unloading is wound on the reel 1006, one end of the cable 1009 is fixed on the reel 1006, and one end of the cable 1009 is provided with a material taking mechanism 11.
Further, the material taking mechanism 11 includes two symmetrically-disposed L-shaped material taking claws 1101, the upper ends of the longitudinal extending portions 1102 of the material taking claws 1101 are opposite to the end portions fixed on the cable 1009 by the connecting base 1103, the two lateral extending portions 1104 at the lower ends of the material taking claws 1101 are opposite to each other, a semicircular groove 1105 is respectively formed at one side, close to each other, of the two lateral extending portions 1104 at the lower ends of the material taking claws 1101, and the semicircular groove 1105 is matched with the neck portion of the differential mechanism 3.
Further, a first conveyor belt 12 for conveying the product to be detected and a second conveyor belt 13 for conveying the product after detection are respectively arranged below the feeding and discharging mechanism 10 at the two sides of the water tank 1.
The working principle of the invention is as follows: before the air tightness detection is carried out, the differential mechanism 3 is reversely placed into the differential mechanism placing cylinder 2 through the feeding and discharging mechanism 10, the extension 4 of the differential mechanism 3 is supported on the cover plate 5 at the upper end of the differential mechanism placing cylinder 2, one exposed surface of the differential mechanism 3 gear enters the inner cavity of the differential mechanism placing cylinder 2, the differential mechanism 3 extension 4 is automatically pressed and fixed on the cover plate 5 at the upper end of the differential mechanism placing cylinder 2 through the movable pressing and fixing mechanism 6, the differential mechanism 3 extension 4 and the cover plate 5 are relatively fixed and sealed, then the differential mechanism placing cylinder 2 is automatically driven to descend to the lower part of the water tank 1 through the lifting mechanism, the water surface of the water tank 1 is enabled to be over the top end of the differential mechanism 3, whether air bubbles are generated or not is statically observed, if the air bubbles are generated, the differential mechanism 3 is enabled to have a leakage point, if the air bubbles are not generated, the air tightness is enabled to be good, the device is simple in structure, the influence of manual operation is greatly reduced, meanwhile, the degree of automation is high, the manual labor intensity is small, the movable pressing and the fixing mechanism 6 can automatically realize fixing the differential mechanism 3 with different sizes to be sealed and fixed, and various common products can be produced. When the water surface of the water tank 1 is beyond the top end of the differential mechanism 3, the differential mechanism can be filled with gas with certain pressure through the air inlet pipe, the air tightness of the differential mechanism 3 in different pressure states can be achieved through changing the pressure of the filled gas, the diversity of air tightness detection is greatly improved, after the water is discharged into the reservoir 16 after detection, the novel differential mechanism 3 to be detected is installed in the water tank 1 and water is re-injected for detection, and the water is repeatedly injected into the water tank 1 after the differential mechanism 3 is pressed and sealed and fixed, water is effectively prevented from entering the inner cavity of the differential mechanism 3 to form a water seal, the air leakage position cannot be detected, the problem of large detection error is solved, the air tightness detection precision is effectively improved, the reservoir 16 and the cavity communicated with the water inlet pipe are used for supplying water to the water tank 1, the reservoir 16 and the cavity communicated with the water outlet pipe are used for accommodating water discharged from the water tank 1, the water discharged from the water tank 1 can enter the water tank 1 again after being filtered through the filtering device, the water entering the water tank 1 is filtered continuously, the water entering the water tank 1 is enabled to be always clean, the differential mechanism is convenient to observe the air leakage position, and the air leakage position of the differential mechanism is more convenient to observe, and the air leakage position of the differential mechanism is not qualified, and the air leakage position is detected.
Claims (8)
1. An axle differential mechanism installation gas tightness detection device, its characterized in that: including being used for water tank (1) and setting up differential mechanism that just upper end opening, tubular structure placed section of thick bamboo (2) in water tank (1), differential mechanism places the upper end of section of thick bamboo (2) and is equipped with apron (5) that support differential mechanism (3) epitaxy (4), apron (5) and differential mechanism place the upper end opening sealing connection of section of thick bamboo (2), the middle part of apron (5) is equipped with and is used for carrying out sealed fixed activity to differential mechanism (3) of equidimension and compresses tightly fixed establishment (6) and connect, still includes elevating system (7) that are used for driving differential mechanism and place section of thick bamboo (2) up-and-down motion, differential mechanism places section of thick bamboo (2) and is connected with water tank (1) through elevating system (7), elevating system (7) are including fixing lifting cylinder (701) on water tank (1), the telescopic shaft of lifting cylinder (701) is connected with connecting lug (702) of fixing on differential mechanism place section of thick bamboo (2).
2. The axle differential mounting air tightness detection device as defined in claim 1, wherein: the movable compression fixing mechanism (6) comprises a plurality of adjusting grooves (601) circumferentially and uniformly distributed on the cover plate (5), one end of each adjusting groove (601) close to the center of the cover plate (5) penetrates through, each adjusting groove (601) is internally provided with an adjusting block (602), the adjusting blocks (602) are in sliding fit with the adjusting grooves (601), the upper end faces of the adjusting blocks (602) are flush with the upper end faces of the cover plate (5), one end of each adjusting block (602) far away from the center of the cover plate (5) is connected with one end of each adjusting groove (601) far away from the center of the cover plate (5) through a spring (603), one side of each adjusting block (602) close to the center of the cover plate (5) is arc-shaped, one side of each adjusting block (602) close to the center of the cover plate (5) is provided with an arc-shaped boss (604) extending upwards, the surface flush with the adjusting block (602) is provided with an annular air bag (605) with an L-shaped section, a plurality of arc-shaped supporting pieces (606) with L-shaped sections are arranged in the annular air bag (605), one side of each adjacent arc-shaped supporting pieces (606) is pressed against one side of the arc-shaped supporting pieces (604) far from the center of the cover plate (5), the thickness of the arc-shaped supporting sheet (606) is far smaller than that of the annular air bag (605).
3. The axle differential mounting air tightness detection device as defined in claim 2, wherein: the movable pressing and fixing mechanism (6) further comprises a pressing lever (607) used for pressing the extension (4) of the differential mechanism (3), a fulcrum of the pressing lever (607) is fixed on the cover plate (5) through a hinged support (608), one end of the pressing lever (607) is located above the cover plate (5) and opposite to the upper end face of the adjusting block (602) on the cover plate (5), and the other end of the pressing lever (607) is connected with the water tank (1) through a connecting rod mechanism (8) used for driving the adjusting block (602) to seal and fix the differential mechanism (3).
4. An axle differential mounting air tightness detection device as defined in claim 3, wherein: the connecting rod mechanism (8) comprises a first connecting rod (801) and a second connecting rod (802) which are equal in length and are arranged in parallel, the end parts of the same side of the first connecting rod (801) and the second connecting rod (802) are hinged to the inner wall of the water tank (1) respectively, the end parts of the other sides of the first connecting rod (801) and the second connecting rod (802) are hinged to the two ends of a third connecting rod (803) respectively, the bottom of the third connecting rod (803) is in sliding fit with a long hole (808) in the pressing lever (607) through a driving shaft (804), the two ends of the driving shaft (804) are hinged to connecting parts (807) on the two sides of the adjusting block (602) through a fourth connecting rod (805) and a fifth connecting rod (806) respectively, and a pressure sensor is arranged on the connecting part (807).
5. The axle differential mounting air tightness detection device as defined in claim 1, wherein: be equipped with on differential mechanism place section of thick bamboo (2) with intake-tube connection's air inlet (9), water tank (1) are connected with cistern (16) through inlet tube (14) and outlet pipe (15), be equipped with the ooff valve on inlet tube (14) and outlet pipe (15) respectively, cistern (16) are including two chambeies, and two chambeies separate through filter equipment (17), filter equipment (17) include with cistern (16) cross-section assorted filter screen frame (171) and draw-in groove (172) on the opposite both sides wall of cistern (16), filter screen frame (171) and draw-in groove (172) longitudinal sliding fit, inlet tube (14) and outlet pipe (15) communicate with two chambeies of cistern (16) respectively.
6. The axle differential mounting air tightness detection device as defined in claim 5, wherein: the automatic feeding and discharging device is characterized in that an upper and lower feeding mechanism (10) used for feeding and discharging the differential mechanism (3) is arranged above the water tank (1), the upper and lower feeding mechanism (10) comprises a portal frame (1001), a transverse sliding rail (1002) and a screw rod (1003) parallel to the transverse sliding rail (1002) are arranged above the portal frame (1001), one end of the screw rod (1003) is connected with an upper and lower feeding driving motor (1004), the transverse sliding rail (1002) is in sliding fit with the transverse sliding block (1005), the transverse sliding block (1005) is in threaded fit with the screw rod (1003), a reel (1006) is fixedly arranged on the transverse sliding block (1005), the reel (1006) is connected with a winding motor (1008) through a reel rotating shaft (1007), a cable (1009) used for feeding and discharging is wound on the reel (1006), one end of the cable (1009) is fixed on the reel (1006), and one end of the cable (1009) is provided with a material taking mechanism (11).
7. The axle differential mounting air tightness detection device as defined in claim 6, wherein: the material taking mechanism comprises two L-shaped material taking claws (1101) which are symmetrically arranged, the upper ends of longitudinal extension parts (1102) of the material taking claws (1101) are fixed at the end parts of cables (1009) through connecting seats (1103), the two transverse extension parts (1104) at the lower ends of the material taking claws (1101) are opposite, semicircular grooves (1105) are respectively formed in one sides, close to each other, of the two transverse extension parts (1104) at the lower ends of the material taking claws (1101), and the semicircular grooves (1105) are matched with the necks of the differential mechanism (3).
8. The axle differential mounting air tightness detection device as defined in claim 7, wherein: and a first conveying belt (12) for conveying the product to be detected and a second conveying belt (13) for conveying the product after detection are respectively arranged at the positions below the feeding and discharging mechanism (10) and at the two sides of the water tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311469833.8A CN117629525A (en) | 2023-11-07 | 2023-11-07 | Axle differential mechanism installation gas tightness detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311469833.8A CN117629525A (en) | 2023-11-07 | 2023-11-07 | Axle differential mechanism installation gas tightness detection device |
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| CN117629525A true CN117629525A (en) | 2024-03-01 |
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| CN202311469833.8A Pending CN117629525A (en) | 2023-11-07 | 2023-11-07 | Axle differential mechanism installation gas tightness detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118032213A (en) * | 2024-04-15 | 2024-05-14 | 茌平鲁环汽车散热器有限公司 | Leak detection device for automobile radiator assembly |
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2023
- 2023-11-07 CN CN202311469833.8A patent/CN117629525A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118032213A (en) * | 2024-04-15 | 2024-05-14 | 茌平鲁环汽车散热器有限公司 | Leak detection device for automobile radiator assembly |
| CN118032213B (en) * | 2024-04-15 | 2024-06-11 | 茌平鲁环汽车散热器有限公司 | Leak detection device for automobile radiator assembly |
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