CN117260590A - Test bench connecting device - Google Patents
Test bench connecting device Download PDFInfo
- Publication number
- CN117260590A CN117260590A CN202311549377.8A CN202311549377A CN117260590A CN 117260590 A CN117260590 A CN 117260590A CN 202311549377 A CN202311549377 A CN 202311549377A CN 117260590 A CN117260590 A CN 117260590A
- Authority
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- China
- Prior art keywords
- sleeve
- driving motor
- clamping screw
- gear
- adapter sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 230000006978 adaptation Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 18
- 210000002445 nipple Anatomy 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/033—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/04—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like with clamping hub; with hub and longitudinal key
- F16D1/05—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a testboard connecting device belongs to connecting tool's technical field, and it is applicable to the axletree, including the workstation, driving motor and loading table are installed respectively to the both sides of workstation, and the axletree setting is between driving motor and loading table, the both ends of axletree all overlap and are equipped with the adapter sleeve, interference fit between adapter sleeve and the axletree, and two adapter sleeves are connected with driving motor and loading table respectively, all overlap on two adapter sleeves and are equipped with the wedge seat, all overlap on two wedge seats and are equipped with fixed bolster, install the bearing between wedge seat and the fixed bolster, and the outer wall of fixed bolster processes into the sphere, and two supporting base have set firmly on the surface of workstation, and the quantity of supporting base and the quantity of fixed bolster are the same and one-to-one, and one of them supporting base deviates from the surface of workstation and has seted up the recess with the fixed bolster looks adaptation, and this application has the effect that improves test efficiency.
Description
Technical Field
The application relates to the technical field of connecting tools, in particular to a test bench connecting device.
Background
Before the axle is tested, a worker firstly fixes one end of the axle with an output shaft of a driving motor through a connecting device, then connects the other end of the axle with a loading table, and finally starts the driving motor to finish the test of the axle.
In the test of the axle, the requirement for the installation of the axle is high, and if the axle cannot be centered, the test precision of the axle is affected, so that the installation and debugging time of the axle is long, and the test efficiency is reduced.
Disclosure of Invention
In order to improve test efficiency, the application provides a test board connecting device.
The application provides a testboard connecting device adopts following technical scheme:
the utility model provides a testboard connecting device, is applicable to the axletree, includes the workstation, driving motor and loading table are installed respectively to the both sides of workstation, and the axletree sets up between driving motor and loading table, the both ends of axletree all overlap and are equipped with the adapter sleeve, interference fit between adapter sleeve and the axletree, and two adapter sleeves are connected with driving motor and loading table respectively, all overlap on two adapter sleeves and are equipped with the wedge seat, all overlap on two wedge seats and are equipped with the fixed bolster, install the bearing between wedge seat and the fixed bolster, and the outer wall of fixed bolster processes into the sphere, and the surface of workstation has set firmly two supporting bases, and the quantity of supporting base and the quantity of fixed bolster are the same and one-to-one, and one of them supporting base deviates from the surface of workstation and has seted up the recess with the fixed bolster looks adaptation.
By adopting the technical scheme, the supporting base with the grooves and the corresponding fixed support can be automatically and quickly centered through the spherical surface, so that the mounting and debugging time of an axle can be shortened under the condition of ensuring the mounting precision, and the effect of improving the testing efficiency is realized. Meanwhile, the support base without the grooves and the corresponding fixed support cannot restrict the position of the axle, so that one end of the axle is restricted, the other end of the axle is not restricted, the situation of over-restriction of the axle is prevented, and the effect of improving the test precision is achieved.
Optionally, two one ends that the adapter sleeve kept away from each other are fixedly connected with first intermediate flange and second intermediate flange respectively, and one side fixedly connected with base that first intermediate flange deviates from the adapter sleeve, one side fixedly connected with ring gear that the base deviates from first intermediate flange, the cover is equipped with the crown gear on the driving motor output shaft, meshes through the crown gear between ring gear and the crown gear, interference fit between crown gear and driving motor's the output shaft, and one side that second intermediate flange deviates from the adapter sleeve is fixed mutually with the loading platform.
By adopting the technical scheme, the working circular section of the crowned teeth is curved teeth, and can be shaped along the tooth length direction, so that the offset load of the gears caused by shaft deformation is improved, the crowned teeth are larger than the angular displacement compensation quantity of the straight teeth, the meshing of the crowned gears and the annular gear can realize angular displacement, the axial movement is allowed, and the torque which can be transmitted is larger.
Optionally, the driving motor output shaft is sleeved with a sliding sleeve, the sliding sleeve is arranged between the crown gear and the driving motor output shaft, the driving motor output shaft is in interference fit with the sliding sleeve, the sliding sleeve is in interference fit with the crown gear, and the torque transmitted by the interference between the sliding sleeve and the driving motor output shaft is greater than the torque transmitted by the interference between the crown gear and the sliding sleeve.
By adopting the technical scheme, if the transmission torque suddenly increases to or exceeds the critical value in the test process, the sliding sleeve and the crown gear slide first, so that the driving motor and the tested axle are protected.
Optionally, an end cover is sleeved on the drum gear, the end cover is fixedly connected with the inner gear ring, a sealing ring is fixedly connected with an inner ring of the end cover, a sealing cavity is formed in an inner ring of the sealing ring in a ring shape, and lubricating grease is filled in the sealing cavity.
By adopting the technical scheme, the sealing cavity is formed in the inner ring of the end cover, so that double-lip seal is formed, lubricating grease is sealed in the sealing cavity through the double-lip seal, and the double-lip seal can always play a sealing role when the crowned teeth are subjected to deflection compensation.
Optionally, a mounting sleeve is arranged between the connecting sleeve and the wedge-shaped seat, the mounting sleeve is hollow round table-shaped, and the connecting sleeve and the wedge-shaped seat are in interference fit with the mounting sleeve.
By adopting the technical scheme, the mounting sleeve between the connecting sleeve and the wedge-shaped seat is provided with taper, so that the interference fit between the connecting sleeve and the wedge-shaped seat can be realized, the disassembly and the assembly are convenient, and the surface is not easy to scratch in the disassembly and the assembly process; therefore, when axles with different specifications are tested, quick replacement can be realized, and time waste caused by replacement of parts is reduced.
Optionally, an oil cavity is annularly formed in the sleeve body of the connecting sleeve, a nipple is mounted on the outer wall of the connecting sleeve and is communicated with the oil cavity, a balance plug is fixedly connected to the connecting sleeve, and the balance plug and the nipple are oppositely arranged.
By adopting the technical scheme, after the axle is arranged on the connecting sleeve, a worker injects oil with pressure into the oil cavity through the oil nozzle, so that the connecting sleeve is extruded by the oil with pressure, the end part of the axle is held tightly, and the effect of interference fit between the axle and the connecting sleeve is realized.
Optionally, two opposite sides of the connecting sleeve are provided with first guide blocks, the first guide blocks are fixed with the wedge-shaped seat, and the inner ring of each first guide block is provided with a first inclined surface.
By adopting the technical scheme, the axle is guided into the connecting sleeve through the first inclined surface, so that the axle is convenient to install.
Optionally, the adapter sleeve includes a intercommunication section of thick bamboo and connecting web, and the axletree tip interference is connected in a section of thick bamboo, and connecting web sets firmly in a section of thick bamboo, is fixed mutually through the bolt between connecting web and the axletree.
By adopting the technical scheme, the connecting web plate and the axle are fixed through the bolts, so that the transmission of large torque can be realized, and the occurrence of slipping between the connecting sleeve and the axle is reduced.
Optionally, be provided with a plurality of grip blocks in the adapter sleeve, a plurality of grip blocks set up around the central axis interval of adapter sleeve, the inside annular of cover body of adapter sleeve has seted up the cavity, be provided with a plurality of clamping screw in the cavity, the quantity of clamping screw is the same and the one-to-one with the quantity of grip block, the one end of clamping screw runs through adapter sleeve and grip block fixed connection, slip adaptation between clamping screw and the adapter sleeve, the clamping screw has the centre gripping swivel nut at the one end threaded connection of cavity, rotate between centre gripping swivel nut and the adapter sleeve to be connected, be provided with the linkage subassembly that makes all centre gripping swivel nuts synchronous rotation in the cavity.
By adopting the technical scheme, the clamping screw sleeve is rotated through the linkage assembly, so that the clamping plate moves through the clamping screw, axles with different specifications can be clamped, and the adaptability of the device is improved.
Optionally, one end of the connecting sleeve is of a blocking structure, the other end of the connecting sleeve is of an opening structure, a rotating motor is installed in the cavity, the linkage assembly comprises a driving bevel gear and a driven bevel gear, the driving bevel gear is fixedly connected with an output shaft of the rotating motor, the driven bevel gear is meshed with the driving bevel gear, the number of the driven bevel gears corresponds to the number of the clamping screw sleeves one by one, and the driven bevel gear is fixedly connected with the clamping screw sleeves.
By adopting the technical scheme, the rotating motor is started to enable the clamping screw sleeves to rotate through the driving bevel gear and the driven bevel gear, so that the effect of enabling all the clamping screw sleeves to synchronously rotate is achieved.
In summary, the present application includes the following beneficial technical effects:
the supporting base with the grooves is automatically aligned and quickly centered through the spherical surface between the supporting base and the corresponding fixed support, so that the installation and debugging time is shortened; meanwhile, the mounting sleeve arranged between the connecting sleeve and the wedge-shaped seat can realize quick assembly and disassembly of the connecting sleeve, shorten the time for replacing the connecting sleeve, or change the specification of the clamped axle through the clamping plate. Through the structure, the effect of improving the test efficiency is realized.
Drawings
FIG. 1 is a schematic view of a test bench connection device according to embodiment 1 of the present application;
FIG. 2 is a partial cross-sectional view of example 1 of the present application showing an axle mounting and axle testing;
FIG. 3 is an enlarged schematic view of a portion A of FIG. 2;
FIG. 4 is a partially enlarged schematic view of portion B of FIG. 2
Fig. 5 is a partial cross-sectional view showing an axle fixing method in embodiment 2 of the present application.
In the figure, 1, an axle; 2. a work table; 21. a driving motor; 211. a crown gear; 212. a sliding sleeve; 22. a loading table; 23. a support base; 231. a groove; 3. connecting sleeves; 31. a connecting cylinder; 311. a first intermediate flange; 312. a second intermediate flange; 313. a mounting sleeve; 314. an oil chamber; 315. a nipple; 316. balancing and plugging; 317. a first guide block; 3171. a first inclined surface; 32. a connecting web; 4. a wedge-shaped seat; 41. a fixed support; 411. a second mounting groove; 42. a bearing; 43. a first mounting groove; 5. a base; 51. an inner gear ring; 511. an end cap; 5111. a third mounting groove; 512. a seal ring; 5121. sealing the cavity; 6. a clamping plate; 61. a second inclined surface; 7. a cavity; 71. a linkage assembly; 711. a drive bevel gear; 712. a driven bevel gear; 72. a rotating motor; 8. clamping a screw; 81. clamping the screw sleeve; 82. a limit groove; 9. a through hole; 91. and a limiting block.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a test board connecting device.
Example 1
Referring to fig. 1, a test board connecting device is applicable to an axle 1, including a workbench 2, two sides of the workbench 2 are fixedly connected with a driving motor 21 and a loading platform 22 respectively, the axle 1 is arranged between the driving motor 21 and the workbench 2, two ends of the axle 1 are sleeved with a fixed support 41, the outer wall of the fixed support 41 is processed into a spherical surface, the surface of the workbench 2 facing the axle 1 is fixedly connected with a supporting base 23, the surface of the supporting base 23 close to the driving motor 21, which is away from the workbench 2, is processed into a groove 231 matched with the spherical surface of the outer wall of the fixed support 41, and the surface of the supporting base 23 close to the loading platform, which is away from the workbench 2, is processed into a plane.
The staff fixes the both ends of axletree 1 respectively in two fixed support 41, then with two fixed support 41 respectively with driving motor 21 and loading platform fixed connection, the fixed support 41 and the support that are close to driving motor 21 pass through sphere and recess 231 can be centered fast.
Referring to fig. 2 and 3, the connecting sleeve 3 includes a connecting cylinder 31, the connecting cylinder 31 is of a hollow tubular structure, the end portion of the axle 1 is arranged in the connecting cylinder 31, a mounting sleeve 313 is sleeved on the circumferential side wall of the connecting cylinder 31, the mounting sleeve 313 is in a hollow circular truncated cone shape, the taper of the mounting sleeve 313 is set to be 1:50, a wedge-shaped seat 4 is sleeved on the circumferential side wall of the mounting sleeve 313, the connecting cylinder 31 and the wedge-shaped seat 4 are in interference fit with the mounting sleeve 313, a first guide block 317 is arranged on one side, facing the axle 1, of the connecting cylinder 31, the first guide block 317 is annular, the section of the first guide block 317 is L-shaped, the first guide block 317 is made of nylon materials, the first guide block 317 is fixedly connected with the wedge-shaped seat 4 through bolts, and a first inclined surface 3171 is annularly formed in the inner wall of the first guide block 317.
Referring to fig. 1 and 2, a first intermediate flange 311 is fixedly connected to the connection cylinder 31 adjacent to the driving motor 21, and the first intermediate flange 311 is fixedly connected to one side of the connection cylinder 31 facing away from the axle 1 by bolts; a second intermediate flange 312 is fixedly connected to the connecting cylinder 31 near the loading table 22, and the second intermediate flange 312 is fixedly connected between the connecting cylinder 31 and the loading table 22 by bolts.
Referring to fig. 2 and 3, a bearing 42 is sleeved on the circumferential side wall of the wedge-shaped seat 4, a first mounting groove 43 is annularly formed in the outer wall of the wedge-shaped seat 4, an inner ring of the bearing 42 is embedded in the first mounting groove 43, the inner ring of the bearing 42 is fixedly connected with the wedge-shaped seat 4 through a bolt, a second mounting groove 411 is annularly formed in the inner wall of the fixed support 41, an outer ring of the bearing 42 is embedded in the second mounting groove 411, and the outer ring of the bearing 42 is fixedly connected with the fixed support 41 through a bolt.
Referring to fig. 2 and 3, an oil cavity 314 is annularly formed in a cylinder body of the connecting cylinder 31, a nipple 315 is mounted on the outer wall of the connecting cylinder 31, the nipple 315 is communicated with the oil cavity 314, a balance plug 316 is fixedly connected to the outer wall of the connecting cylinder 31, the balance plug 316 and the nipple 315 are oppositely arranged, and the weights of the balance plug 316 and the nipple 315 are the same.
Referring to fig. 2, the connecting sleeve 3 further includes a connecting web 32, the cross section of the connecting sleeve 3 is H-shaped, the connecting web 32 is fixedly arranged in the connecting cylinder 31, and the connecting web 32 is fixedly connected with the end portion of the axle 1 extending into the connecting cylinder 31 through a bolt.
The staff selects the adapter sleeve 3 of adaptation according to the specification of axletree 1, then through the interference fit between adapter sleeve 3 and the wedge seat 4 of installation cover 313, two connecting cylinders 31 of rethread first intermediate flange 311 and second intermediate flange 312 are connected with driving motor 21 and loading platform 22 respectively. After the connecting sleeve 3 is installed, a worker inserts two ends of the axle 1 into the two connecting cylinders 31 respectively, then fills oil with pressure into the oil cavity 314 through the oil nozzle 315, closes the oil nozzle 315 after filling, and finally fixedly connects the connecting web 32 with the end part of the axle 1 extending into the connecting cylinders 31 through bolts.
In the testing process, the first middle flange 311 rotates to drive the connecting sleeve 3 to rotate, the connecting sleeve 3 drives the wedge-shaped seat 4 to rotate through the mounting sleeve 313, the wedge-shaped seat 4 drives the inner ring of the bearing 42 to rotate, and the connecting sleeve 3 drives one end of the axle 1 to rotate, so that the torque resistance test of the axle 1 is completed.
Referring to fig. 2, referring to the drawing, a base 5 is disposed at a side of the first intermediate flange 311 facing away from the connection barrel 31, the base 5 is fixedly connected with the first intermediate flange 311 through bolts, an inner gear ring 51 is disposed at a side of the base 5 facing away from the first intermediate flange 311, the inner gear ring 51 is annular, and the inner gear ring 51 is fixedly connected with the base 5 through welding.
Referring to fig. 2, a sliding sleeve 212 is sleeved on an output shaft of the driving motor 21, the sliding sleeve 212 is in interference fit with the output shaft of the driving motor 21, a crown gear 211 is arranged in the inner gear ring 51, the inner gear ring 51 is meshed with the crown gear 211 through the crown gear, the crown gear 211 is in interference fit with the sliding sleeve 212, and torque which can be transmitted by the interference between the sliding sleeve 212 and the output shaft of the driving motor 21 is larger than torque which can be transmitted by the interference between the crown gear 211 and the sliding sleeve 212.
Referring to fig. 2 and 4, an end cover 511 is disposed on one side of the ring gear 51 facing away from the first middle flange 311, the end cover 511 is fixedly connected with the ring gear 51 through welding, the end cover 511 is annular, a third mounting groove 5111 is formed in the inner wall of the end cover 511 in an annular mode, a sealing ring 512 is disposed between the end cover 511 and the sliding sleeve 212, the sealing ring 512 is annular, the sealing ring 512 is embedded into the third mounting groove 5111 and is fixedly connected with the end cover 511, a sealing cavity 5121 is formed in the inner wall of the sealing ring 512 in an annular mode, and lubricating grease is disposed in the sealing cavity 5121.
After the axle 1 is installed, a worker starts the driving motor 21, the driving motor 21 drives the crown gear 211 to rotate through the sliding sleeve 212, the crown gear 211 drives the inner gear ring 51 to rotate, the inner gear ring 51 drives the base 5 to rotate, and the base 5 drives the first middle flange 311 to rotate, so that the axle 1 is tested.
In the testing process, after the sudden abnormal torque breaks through to a critical value, slipping occurs between the sliding sleeve 212 and the crown gear 211, and meanwhile, the equipment stops testing.
The implementation principle of the test bench connection device of embodiment 1 of the application is as follows: the worker selects the matched connecting sleeve 3 according to the tested axle 1, after the connecting sleeve 3 is fixed with the wedge-shaped seat 4, one connecting sleeve 3 is connected with the driving motor 21 through the first intermediate flange 311, and finally the other connecting sleeve 3 is connected with the loading table 22 through the second intermediate flange 312. After the axle 1 is installed, a worker starts the driving motor 21, and drives one end of the axle 1 to rotate through the driving motor 21, so that the torsion resistance test of the axle 1 is completed. Through the structure, the effect of improving the test efficiency is realized.
Example 2
Example 2 differs from example 1 in that: referring to fig. 5, one end of the connecting sleeve 3 is of a blocking structure, the other end of the connecting sleeve 3 is of an opening structure, a plurality of clamping plates 6 are arranged in the connecting sleeve 3, in the embodiment of the application, four clamping plates 6 are arranged around the central axis of the connecting sleeve 3 at equal intervals, the clamping plates 6 are arc-shaped plates, one end of each clamping plate 6 is abutted to the blocking end of the connecting sleeve 3, the other end of each clamping plate 6 is aligned with the opening end of the connecting sleeve 3, and the clamping plates 6 are close to the annular of one end of the opening end of the connecting sleeve 3 to form a second inclined surface 61.
Referring to fig. 5, a cavity 7 is annularly formed in a sleeve body of the connecting sleeve 3, through holes 9 are formed in the inner wall of the position of the cavity 7 in a penetrating manner of the connecting sleeve 3, the number of the through holes 9 is the same as that of the clamping plates 6 and corresponds to that of the clamping plates 6 one by one, one end of the clamping screw 8 stretches into the cavity 7 is in threaded connection with a clamping screw sleeve 81, the clamping screw sleeve 81 is in rotary connection with the inner wall of the position of the cavity 7 of the connecting sleeve 3, and the other end of the clamping screw 8 penetrates through the through holes 9 and is fixedly connected with the clamping plates 6.
Referring to fig. 5, the inner wall of the connecting sleeve 3 at the through hole 9 is fixedly connected with a limiting block 91, and the outer wall of the clamping screw 8 is provided with a limiting groove 82 which is in sliding fit with the limiting block 91.
Referring to fig. 5, a rotation motor 72 is installed in a cavity 7, a linkage assembly 71 is arranged in the cavity 7, the linkage assembly 71 comprises a driving bevel gear 711 and a driven bevel gear 712, the driving bevel gear 711 is fixedly connected with an output shaft of the rotation motor 72, the driven bevel gear 712 is meshed with the driving bevel gear 711, the number of the driven bevel gears 712 corresponds to the number of the clamping screw sleeves 81 one by one, and the driven bevel gears 712 are sleeved on the clamping screw sleeves 81 and are fixedly connected with one another.
Example 2 of the present application differs from example 1 in the following principle: the end of the axle 1 is inserted into the connecting sleeve 3 by a worker, then the worker starts the rotating motor 72, the rotating motor 72 drives the driving bevel gear 711 to rotate, the driving bevel gear 711 drives the driven bevel gear 712 to rotate, the driven bevel gear 712 drives the driving clamping screw sleeve 81 to rotate, and the clamping screw sleeve 81 drives the clamping plate 6 to be close to the axle 1 through the clamping screw 8, so that the end of the axle 1 is clamped and fixed. During the movement of the clamping screw 8, the limiting block 91 slides along the limiting groove 82, so that the clamping screw 8 is not easy to rotate along with the clamping screw sleeve 81.
The embodiments of the present invention are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. The utility model provides a testboard connecting device, is applicable to axletree (1), includes workstation (2), driving motor (21) and loading platform (22) are installed respectively to the both sides of workstation (2), axletree (1) set up between driving motor (21) and loading platform (22), its characterized in that: the utility model discloses a motor vehicle axle, including axletree (1), including base (41), bearing (42), bearing (41), bearing (23) are set firmly on the surface of workstation (2), the quantity of bearing (23) is the same with the quantity of fixed bolster (41) and one-to-one, one of them bearing (23) deviates from recess (231) of fixed bolster (41) looks adaptation are offered on the surface that fixed bolster (2) are equipped with wedge seat (4) on two adapter sleeve (3), all cover between wedge seat (4) and fixed bolster (41) are equipped with adapter sleeve (3), interference fit between adapter sleeve (3) and axletree (1), two adapter sleeve (3) are connected with driving motor (21) and loading table (22) respectively.
2. A test stand connection device according to claim 1, wherein: two one ends that adapter sleeve (3) kept away from each other are fixedly connected with first intermediate flange (311) and second intermediate flange (312) respectively, one side fixedly connected with base (5) that first intermediate flange (311) deviate from adapter sleeve (3), one side fixedly connected with ring gear (51) that base (5) deviate from first intermediate flange (311), the cover is equipped with crown gear (211) on driving motor (21) output shaft, mesh through the crown gear between ring gear (51) and crown gear (211), interference fit between crown gear (211) and driving motor (21) output shaft, one side that second intermediate flange (312) deviate from adapter sleeve (3) is fixed with the loading platform.
3. A test stand connection device according to claim 2, wherein: the driving motor (21) output shaft is sleeved with a sliding sleeve (212), the sliding sleeve (212) is arranged between the crown gear (211) and the driving motor (21) output shaft, the driving motor (21) output shaft is in interference fit with the sliding sleeve (212), the sliding sleeve (212) is in interference fit with the crown gear (211), and torque transmitted by the interference between the sliding sleeve (212) and the driving motor (21) output shaft is larger than torque transmitted by the interference between the crown gear (211) and the sliding sleeve (212).
4. A test stand connection device according to claim 2, wherein: an end cover (511) is sleeved on the drum-shaped gear (211), the end cover (511) is fixedly connected with the inner gear ring (51), a sealing ring (512) is fixedly connected with the inner ring of the end cover (511), a sealing cavity (5121) is formed in the inner ring of the sealing ring (512), and lubricating grease is filled in the sealing cavity (5121).
5. A test stand connection device according to claim 1, wherein: a mounting sleeve (313) is arranged between the connecting sleeve (3) and the wedge-shaped seat (4), the mounting sleeve (313) is hollow round table-shaped, and the connecting sleeve (3) and the wedge-shaped seat (4) are in interference fit with the mounting sleeve (313).
6. A test stand connection device according to claim 1, wherein: an oil cavity (314) is annularly formed in the sleeve body of the connecting sleeve (3), a nipple (315) is mounted on the outer wall of the connecting sleeve (3), the nipple (315) is communicated with the oil cavity (314), a balance plug (316) is fixedly connected to the connecting sleeve (3), and the balance plug (316) and the nipple (315) are oppositely arranged.
7. The test stand attachment device of claim 6, wherein: two opposite sides of the connecting sleeve (3) are provided with first guide blocks (317), the first guide blocks (317) are fixed with the wedge-shaped seat (4), and a first inclined surface (3171) is formed in the inner ring of each first guide block (317).
8. The test stand attachment device of claim 6, wherein: the connecting sleeve (3) comprises a communicating cylinder and a connecting web (32), the end part of the axle (1) is connected in the connecting cylinder (31) in an interference mode, the connecting web (32) is fixedly arranged in the connecting cylinder (31), and the connecting web (32) and the axle (1) are fixed through bolts.
9. A test stand connection device according to claim 1, wherein: be provided with a plurality of grip blocks (6) in adapter sleeve (3), a plurality of grip blocks (6) set up around the central axis interval of adapter sleeve (3), cavity (7) have been seted up to the inside annular of cover of adapter sleeve (3), be provided with a plurality of clamping screw rods (8) in cavity (7), the quantity of clamping screw rods (8) is the same and one-to-one with the quantity of grip blocks (6), the one end of clamping screw rods (8) runs through adapter sleeve (3) and grip block (6) fixed connection, slip adaptation between clamping screw rods (8) and adapter sleeve (3), clamping screw rods (8) are at the one end threaded connection of cavity (7) have clamping screw sleeve (81), rotate between clamping screw sleeve (81) and adapter sleeve (3) and be connected, be provided with in cavity (7) and make all clamping screw sleeve (81) synchronous pivoted linkage subassembly (71).
10. A test stand connection device according to claim 9, wherein: one end of the connecting sleeve (3) is of a blocking structure, the other end of the connecting sleeve (3) is of an opening structure, a rotating motor (72) is installed in the cavity (7), the linkage assembly (71) comprises a driving bevel gear (711) and a driven bevel gear (712), the driving bevel gear (711) is fixedly connected with an output shaft of the rotating motor (72), the driven bevel gear (712) is meshed with the driving bevel gear (711), the number of the driven bevel gears (712) corresponds to the number of the clamping screw sleeves (81) one by one, and the driven bevel gears (712) are fixedly connected with the clamping screw sleeves (81).
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| CN202311549377.8A CN117260590B (en) | 2023-11-21 | 2023-11-21 | Test bench connecting device |
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