CN112611560B - Bearing capacity detection equipment adaptive to heavy truck transmission shafts with different diameters - Google Patents
Bearing capacity detection equipment adaptive to heavy truck transmission shafts with different diameters Download PDFInfo
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- CN112611560B CN112611560B CN202011486959.2A CN202011486959A CN112611560B CN 112611560 B CN112611560 B CN 112611560B CN 202011486959 A CN202011486959 A CN 202011486959A CN 112611560 B CN112611560 B CN 112611560B
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- 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
- G01M13/02—Gearings; Transmission mechanisms
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Abstract
The invention relates to the technical field of heavy truck part detection, in particular to bearing capacity detection equipment adaptive to heavy truck transmission shafts with different diameters, which is characterized in that the centering adjustment and fixation of the positions of the transmission shafts in the upper, lower, left and right directions are realized through a second centering positioning device and a third centering positioning device in a gear rack form, one end of the transmission shaft is clamped and fixed through the matching of a first flexible arc-shaped pad and a pressing plate of the first centering positioning device, and in the structure of a pressure application device, through designing the structures of a second adjusting cylinder and a second flexible arc-shaped pad, after a second sliding seat moves downwards, the second flexible arc-shaped pad can be attached to the surface of the transmission shaft in a large area, through increasing the contact area, the pressure application device can more stably apply downward pressure to the transmission shaft, the accuracy of the bearing capacity detection result of the transmission shaft is ensured, and the structure can be used for centering and fixing and accurately detecting the bearing capacity of the transmission shafts with different diameters and models.
Description
Technical Field
The invention relates to the technical field of heavy truck part detection, in particular to bearing capacity detection equipment adaptive to heavy truck transmission shafts with different diameters.
Background
The heavy truck usually needs to bear heavy goods, a transmission shaft of the heavy truck needs strong bearing capacity so as to avoid the phenomenon that the transmission shaft is bent and broken under the load of the heavy goods, so that the bearing capacity of the transmission shaft needs to be detected, and most of transmission shaft bearing capacity detection devices consist of fixing devices and pressure detection devices; but original fixing device can only fix to the transmission shaft of single specification, and mainly through the bolt fastening, the fixed of transmission shaft need consume a large amount of man-hours, and along with the abundance of heavy truck class, has produced the demand that carries out bearing capacity detection to the transmission shaft of different diameter specifications, how can be high-efficient, stable and can carry out the accurate detection of bearing capacity to the transmission shaft of different diameter specifications and be the technical problem that needs to solve urgently.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the bearing capacity detection equipment is adaptive to heavy truck transmission shafts with different diameters.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a bearing capacity detection device adaptive to heavy truck transmission shafts with different diameters comprises a rack, a first centering positioning device, a second centering positioning device, a third centering positioning device and a pressure applying device; the first centering positioning device, the second centering positioning device, the third centering positioning device and the pressure applying device are sequentially connected to the rack in a straight line;
the first centering positioning device comprises a first support, a first hydraulic cylinder, a first sliding seat, a first flexible arc-shaped pad, a first adjusting cylinder, a second hydraulic cylinder and a pressing plate; the first support is provided with a first vertical sliding rail, the first sliding seat is connected with the first vertical sliding rail in a sliding fit manner, the first hydraulic cylinder is vertically and upwards fixed on the rack, a piston rod of the first hydraulic cylinder is connected to the first sliding seat, the middle part of the first flexible arc-shaped pad is fixed to the upper part of the first sliding seat, an arc opening of the first flexible arc-shaped pad is upwards, two first adjusting cylinders which are symmetrical to each other are arranged on two sides of the first sliding seat, and a piston rod of each first adjusting cylinder is connected to the end part of the first flexible arc-shaped pad; the second hydraulic cylinder is vertically and downwards connected to the first support, and the pressing plate is connected to the lower end of a piston rod of the second hydraulic cylinder;
the second centering positioning device comprises a first vertical guide rail, a second vertical guide rail, a first rack, a second rack, a first gear, a first clamping block, a second clamping block and a first driving device; the first rack is connected to the first vertical guide rail in a sliding mode, the second rack is connected to the second vertical guide rail in a sliding mode, two sides of the first gear are respectively meshed with the first rack and the second rack, the first gear is rotatably connected to the rack, and a first through hole for allowing the transmission shaft to penetrate through is formed in the middle of the first gear; the first driving device is in transmission connection with the first rack and is used for driving the first rack to slide along the first vertical guide rail, the first clamping block is connected to the first rack, and the second clamping block is connected to the second rack;
the third centering and positioning device comprises a first horizontal guide rail, a second horizontal guide rail, a third rack, a fourth rack, a second gear, a third clamping block, a fourth clamping block and a second driving device, the third rack is connected to the first horizontal guide rail in a sliding mode, the fourth rack is connected to the second horizontal guide rail in a sliding mode, the upper end of the second gear is meshed with the third rack, the lower end of the second gear is meshed with the fourth rack, the second gear is connected to the rack in a rotating mode, and a second through hole for allowing the transmission shaft to penetrate through is formed in the middle of the second gear; the second driving device is in transmission connection with the third rack and is used for driving the third rack to slide along the first horizontal guide rail, the third clamping block is connected to the third rack, and the fourth clamping block is connected to the fourth rack;
the pressure applying device comprises a second bracket, a second sliding seat, a third hydraulic cylinder, a second adjusting cylinder and a second flexible arc-shaped pad; the second support is fixed in the frame, the second support is equipped with the vertical slide rail of second, the second slide and the vertical slide rail sliding fit of second, the cylinder body of third pneumatic cylinder is fixed in the second support, the piston rod of third pneumatic cylinder is connected in the second slide, the lower part at the second slide is fixed at the middle part of the flexible arc pad of second, the arc opening of the flexible arc pad of second is down, the both sides of second slide are equipped with two second adjusting cylinder of mutual symmetry, the piston rod of second adjusting cylinder is connected in the tip of the flexible arc pad of second.
The invention has the beneficial effects that: according to the bearing capacity detection equipment structure adaptive to heavy truck transmission shafts with different diameters, centering adjustment and fixation of the positions of the transmission shafts in the up, down, left and right directions are achieved through the second centering positioning device and the third centering positioning device in the gear rack mode, one end of the transmission shaft is clamped and fixed through the matching of the first flexible arc-shaped pad and the pressing plate of the first centering positioning device, in the structure of the pressing device, through designing the structures of the second adjusting cylinder and the second flexible arc-shaped pad, after the second sliding seat moves downwards, the second flexible arc-shaped pad can be attached to the surface of the transmission shaft in a large area, the pressing device can stably apply downward pressure to the transmission shaft through increasing the contact area, the accuracy of the bearing capacity detection result of the transmission shaft is guaranteed, and the structure can perform centering fixation and accurate bearing capacity detection on the transmission shafts with different diameters.
Drawings
Fig. 1 is a schematic structural diagram of a bearing capacity detection apparatus adapted to heavy truck transmission shafts with different diameters according to an embodiment of the present invention;
description of the reference symbols:
1. a frame; 2. a first centering device; 21. a first bracket; 211. a first vertical slide rail; 22. a first hydraulic cylinder; 23. a first slider; 24. a first flexible arced pad; 25. a first adjusting cylinder; 26. a second hydraulic cylinder; 27. pressing a plate; 3. a second centering device; 31. a first vertical guide rail; 32. a second vertical guide rail; 33. a first rack; 34. a second rack; 35. a first gear; 351. a first through hole; 36. a first clamping block; 37. a second clamping block; 4. a third centering device; 41. a first horizontal guide rail; 42. a second horizontal guide rail; 43. a third rack; 44. a fourth rack; 45. a second gear; 451. a second through hole; 46. a third clamping block; 47. a fourth clamping block; 5. a pressure applying device; 51. a second bracket; 52. a second slide; 53. a third hydraulic cylinder; 54. a second vertical slide rail; 55. a second adjusting cylinder; 56. a second flexible arcuate pad.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, the invention relates to a bearing capacity detection device adapted to heavy truck transmission shafts with different diameters, which comprises a rack 1, a first centering positioning device 2, a second centering positioning device 3, a third centering positioning device 4 and a pressing device 5; the first centering positioning device 2, the second centering positioning device 3, the third centering positioning device 4 and the pressure applying device 5 are sequentially connected to the rack 1 in a straight line;
the first centering device 2 comprises a first bracket 21, a first hydraulic cylinder 22, a first sliding seat 23, a first flexible arc-shaped pad 24, a first adjusting cylinder 25, a second hydraulic cylinder 26 and a pressing plate 27; the first support 21 is provided with a first vertical slide rail 211, the first slide seat 23 is connected with the first vertical slide rail 211 in a sliding fit manner, the first hydraulic cylinder 22 is vertically and upwardly fixed on the frame 1, a piston rod of the first hydraulic cylinder 22 is connected to the first slide seat 23, the middle part of the first flexible arc-shaped pad 24 is fixed on the upper part of the first slide seat 23, an arc opening of the first flexible arc-shaped pad 24 faces upward, two first adjusting cylinders 25 which are symmetrical to each other are arranged on two sides of the first slide seat 23, and a piston rod of each first adjusting cylinder 25 is connected to the end part of the first flexible arc-shaped pad 24; the second hydraulic cylinder 26 is vertically connected to the first bracket 21 downwards, and the pressing plate 27 is connected to the lower end of the piston rod of the second hydraulic cylinder 26;
the second centering positioning device 3 comprises a first vertical guide rail 31, a second vertical guide rail 32, a first rack 33, a second rack 34, a first gear 35, a first clamping block 36, a second clamping block 37 and a first driving device; the first rack 33 is slidably connected to the first vertical guide rail 31, the second rack 34 is slidably connected to the second vertical guide rail 32, two sides of the first gear 35 are respectively engaged with the first rack 33 and the second rack 34, the first gear 35 is rotatably connected to the rack 1, and a first through hole 351 for allowing the transmission shaft to pass through is formed in the middle of the first gear 35; the first driving device is in transmission connection with the first rack 33 and is used for driving the first rack 33 to slide along the first vertical guide rail 31, the first clamping block 36 is connected to the first rack 33, and the second clamping block 37 is connected to the second rack 34;
the third centering and positioning device 4 comprises a first horizontal guide rail 41, a second horizontal guide rail 42, a third rack 43, a fourth rack 44, a second gear 45, a third clamping block 46, a fourth clamping block 47 and a second driving device, wherein the third rack 43 is slidably connected to the first horizontal guide rail 41, the fourth rack 44 is slidably connected to the second horizontal guide rail 42, the upper end of the second gear 45 is meshed with the third rack 43, the lower end of the second gear 45 is meshed with the fourth rack 44, the second gear 45 is rotatably connected to the frame 1, and a second through hole 451 for accommodating a transmission shaft to pass through is formed in the middle of the second gear 45; the second driving device is in transmission connection with the third rack 43 and is used for driving the third rack 43 to slide along the first horizontal guide rail 41, the third clamping block 46 is connected to the third rack 43, and the fourth clamping block 47 is connected to the fourth rack 44;
the pressing device 5 comprises a second bracket 51, a second sliding seat 52, a third hydraulic cylinder 53, a second adjusting cylinder 55 and a second flexible arc-shaped pad 56; the second support 51 is fixed in frame 1, the second support 51 is equipped with the vertical slide rail 54 of second, second slide 52 and the vertical slide rail 54 sliding fit of second, the cylinder body of third pneumatic cylinder 53 is fixed in second support 51, the piston rod of third pneumatic cylinder 53 is connected in second slide 52, the lower part at second slide 52 is fixed at the middle part of the flexible arc pad 56 of second, the arc opening of the flexible arc pad 56 of second is down, the both sides of second slide 52 are equipped with two second adjusting cylinder 55 of mutual symmetry, the piston rod of second adjusting cylinder 55 is connected in the tip of the flexible arc pad 56 of second.
The working principle of the bearing capacity detection equipment matched with the heavy truck transmission shafts with different diameters is as follows: one end of a transmission shaft to be detected penetrates through the second through hole 451 and the first through hole 351, then the first driving device drives the first rack 33 to move, the first gear 35 drives the second rack 34 to synchronously and reversely move, so that the first clamping block 36 and the second clamping block 37 are mutually matched to clamp the upper part and the lower part of the transmission shaft, then the second driving device drives the third rack 43 to move, the second gear 45 drives the fourth rack 44 to synchronously and reversely move, so that the third clamping block 46 and the fourth clamping block 47 are mutually matched to clamp the two side parts of the transmission shaft, the second centering and positioning device 3 and the third centering and positioning device 4 are mutually matched to realize centering and fixing of the position of the transmission shaft in the upper direction, the lower direction and the left direction, then the interaction of the first flexible arc-shaped pad 24 and the pressing plate 27 clamps one end of the transmission shaft, the radian of the first flexible arc-shaped pad 24 can be adjusted through the first adjusting cylinder 25, so that the transmission shaft is attached to the transmission shaft, and the transmission shaft is more stably fixed; the transmission shaft obtains centering fixed back, drive second slide 52 downstream through third pneumatic cylinder 53, compress the flexible arc pad 56 of second moderately through second adjusting cylinder 55, thereby adjust the radian of the flexible arc pad 56 of second, make the radian of its radian and the radian looks adaptation of the transmission shaft of corresponding position, thereby after second slide 52 downstream, the flexible arc pad 56 of second can laminate the transmission shaft surface by a large scale, through increase area of contact, make pressure device 5 can apply decurrent pressure to the transmission shaft more steadily, guarantee the accuracy of the bearing capacity testing result of transmission shaft.
In the bearing capacity detection equipment structure of the heavy truck transmission shaft adaptive to different diameters, the centering adjustment and fixation of the positions of the transmission shaft in the up-down, left-right and four directions are realized through the second centering and positioning device 3 and the third centering and positioning device 4 in the form of the gear rack, one end of the transmission shaft is clamped and fixed through the matching of the first flexible arc-shaped pad 24 and the pressing plate 27 of the first centering and positioning device 2, in the structure of the pressure applying device 5, through designing the structures of the second adjusting cylinder 55 and the second flexible arc-shaped pad 56, after the second sliding seat 52 moves downwards, the second flexible arc-shaped pad 56 can be attached to the surface of the transmission shaft in a large area, through increasing the contact area, the pressure applying device 5 can more stably apply downward pressure to the transmission shaft, the accuracy of the bearing capacity detection result of the transmission shaft is ensured, and the structure can be centered and fixed and accurately detect the bearing capacity of the transmission shafts of different diameters.
Further, in the bearing capacity check out test set structure of the heavy truck transmission shaft of different diameter specifications of above-mentioned adaptation, first support 21 is the door-shaped support that two montants and a crossbeam connect into, the quantity of first vertical slide rail 211 is 2, and 2 first vertical slide rails 211 are located the inboard of two montants respectively.
From the above description, the door-shaped support structure and the structure of the 2 first vertical sliding rails 211 can improve the structural stability of the first centering device 2, so as to further ensure the accuracy of the detection result of the bearing capacity of the transmission shaft.
Further, in the bearing capacity detection device structure adapted to the heavy truck transmission shafts with different diameters, the second support 51 is a door-shaped support formed by connecting two vertical bars and a cross beam, the number of the second vertical slide rails 54 is 2, and the 2 first vertical slide rails 211 are respectively located on the inner sides of the two vertical bars.
As can be seen from the above description, the structure of the door-shaped support frame and the 2 first vertical sliding rails 211 can improve the structural stability of the pressing device 5, so as to further ensure the accuracy of the detection result of the bearing capacity of the transmission shaft.
Further, in the above structure of the bearing capacity detecting device adapted to heavy truck transmission shafts with different diameters, the cylinder body of the first adjusting cylinder 25 is hinged to the first sliding seat 23, and the piston rod of the first adjusting cylinder 25 is hinged to the end of the first flexible arc-shaped pad 24.
As can be seen from the above description, the structure is more flexible and the arc of the first flexible arc pad 24 can be adjusted to a greater extent.
Further, in the above structure of the bearing capacity detecting apparatus adapted to heavy truck transmission shafts with different diameters, the cylinder body of the second adjusting cylinder 55 is hinged to the second sliding seat 52, and the piston rod of the second adjusting cylinder 55 is hinged to the end of the second flexible arc-shaped pad 56.
As can be seen from the above description, the structure is more flexible and the arc of the second flexible arc pad 56 can be adjusted to a greater extent.
Furthermore, in the above structure of the bearing capacity detection device adapted to heavy truck transmission shafts with different diameters, the first flexible arc-shaped pad 24 and the second flexible arc-shaped pad 56 are made of vulcanized rubber.
As can be seen from the above description, the vulcanized rubber has elasticity, is elastically deformed under the action of the adjusting cylinder, has long service life, and can play a role in buffering when the transmission shaft is pressed, thereby avoiding the surface damage of the transmission shaft.
Further, in the structure of the bearing capacity detection device adapted to the heavy truck transmission shafts with different diameters, the first driving device is a vertical first lead screw, the first rack 33 is provided with a first nut matched with the first lead screw, the second driving device is a horizontal second lead screw, and the third rack 43 is provided with a second nut matched with the second lead screw.
Further, in the above structure of the bearing capacity detecting device adapted to the heavy truck transmission shafts with different diameters, a rubber pad is disposed at the lower part of the pressing plate 27.
Example 1
A bearing capacity detection device adaptive to heavy truck transmission shafts with different diameters comprises a rack 1, a first centering positioning device 2, a second centering positioning device 3, a third centering positioning device 4 and a pressure applying device 5; the first centering positioning device 2, the second centering positioning device 3, the third centering positioning device 4 and the pressure applying device 5 are sequentially connected to the rack 1 in a straight line; the first centering device 2 comprises a first bracket 21, a first hydraulic cylinder 22, a first sliding seat 23, a first flexible arc-shaped pad 24, a first adjusting cylinder 25, a second hydraulic cylinder 26 and a pressing plate 27; the first support 21 is provided with a first vertical slide rail 211, the first slide carriage 23 is connected with the first vertical slide rail 211 in a sliding fit manner, the first hydraulic cylinder 22 is vertically fixed to the rack 1 upwards, a piston rod of the first hydraulic cylinder 22 is connected to the first slide carriage 23, the middle part of the first flexible arc-shaped pad 24 is fixed to the upper part of the first slide carriage 23, an arc-shaped opening of the first flexible arc-shaped pad 24 faces upwards, two first adjusting cylinders 25 which are symmetrical to each other are arranged on two sides of the first slide carriage 23, and a piston rod of each first adjusting cylinder 25 is connected to the end part of the first flexible arc-shaped pad 24; the second hydraulic cylinder 26 is vertically connected to the first bracket 21, and the pressing plate 27 is connected to the lower end of the piston rod of the second hydraulic cylinder 26; the second centering and positioning device 3 comprises a first vertical guide rail 31, a second vertical guide rail 32, a first rack 33, a second rack 34, a first gear 35, a first clamping block 36, a second clamping block 37 and a first driving device; the first rack 33 is slidably connected to the first vertical guide rail 31, the second rack 34 is slidably connected to the second vertical guide rail 32, two sides of the first gear 35 are respectively engaged with the first rack 33 and the second rack 34, the first gear 35 is rotatably connected to the rack 1, and a first through hole 351 for allowing the transmission shaft to pass through is formed in the middle of the first gear 35; the first driving device is in transmission connection with the first rack 33 and is used for driving the first rack 33 to slide along the first vertical guide rail 31, the first clamping block 36 is connected to the first rack 33, and the second clamping block 37 is connected to the second rack 34; the third centering and positioning device 4 comprises a first horizontal guide rail 41, a second horizontal guide rail 42, a third rack 43, a fourth rack 44, a second gear 45, a third clamping block 46, a fourth clamping block 47 and a second driving device, wherein the third rack 43 is slidably connected to the first horizontal guide rail 41, the fourth rack 44 is slidably connected to the second horizontal guide rail 42, the upper end of the second gear 45 is meshed with the third rack 43, the lower end of the second gear 45 is meshed with the fourth rack 44, the second gear 45 is rotatably connected to the rack 1, and a second through hole 451 for allowing the transmission shaft to pass through is formed in the middle part of the second gear 45; the second driving device is in transmission connection with the third rack 43 and is used for driving the third rack 43 to slide along the first horizontal guide rail 41, the third clamping block 46 is connected to the third rack 43, and the fourth clamping block 47 is connected to the fourth rack 44; the pressing device 5 comprises a second bracket 51, a second sliding seat 52, a third hydraulic cylinder 53, a second adjusting cylinder 55 and a second flexible arc-shaped pad 56; second support 51 is fixed in frame 1, second support 51 is equipped with the vertical slide rail 54 of second, second slide 52 and the vertical slide rail 54 sliding fit of second, the cylinder body of third pneumatic cylinder 53 is fixed in second support 51, the piston rod of third pneumatic cylinder 53 is connected in second slide 52, the lower part at second slide 52 is fixed at the middle part of the flexible arc pad 56 of second, the arc opening of the flexible arc pad 56 of second faces down, the both sides of second slide 52 are equipped with two second adjusting cylinder 55 of mutual symmetry, the piston rod of second adjusting cylinder 55 is connected in the tip of the flexible arc pad 56 of second.
In summary, in the bearing capacity detection equipment structure adapted to heavy truck transmission shafts with different diameters and specifications, centering adjustment and fixation of positions of the transmission shafts in four directions, namely up, down, left and right, are realized through the second centering positioning device and the third centering positioning device in a gear rack form, one end of the transmission shaft is clamped and fixed through matching of the first flexible arc-shaped pad and the pressing plate of the first centering positioning device, and in the structure of the pressing device, through designing the structures of the second adjusting cylinder and the second flexible arc-shaped pad, after the second sliding seat moves downwards, the second flexible arc-shaped pad can be attached to the surface of the transmission shaft in a large area, and through increasing the contact area, the pressing device can more stably apply downward pressure to the transmission shaft, so that the accuracy of a bearing capacity detection result of the transmission shaft is ensured.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (8)
1. The bearing capacity detection equipment is characterized by comprising a rack, a first centering positioning device, a second centering positioning device, a third centering positioning device and a pressing device; the first centering positioning device, the second centering positioning device, the third centering positioning device and the pressure applying device are sequentially connected to the rack in a straight line;
the first centering positioning device comprises a first support, a first hydraulic cylinder, a first sliding seat, a first flexible arc-shaped pad, a first adjusting cylinder, a second hydraulic cylinder and a pressing plate; the first support is provided with a first vertical sliding rail, the first sliding seat is connected with the first vertical sliding rail in a sliding fit manner, the first hydraulic cylinder is vertically and upwards fixed on the rack, a piston rod of the first hydraulic cylinder is connected to the first sliding seat, the middle part of the first flexible arc-shaped pad is fixed to the upper part of the first sliding seat, an arc opening of the first flexible arc-shaped pad is upwards, two first adjusting cylinders which are symmetrical to each other are arranged on two sides of the first sliding seat, and a piston rod of each first adjusting cylinder is connected to the end part of the first flexible arc-shaped pad; the second hydraulic cylinder is vertically and downwards connected to the first support, and the pressing plate is connected to the lower end of a piston rod of the second hydraulic cylinder;
the second centering positioning device comprises a first vertical guide rail, a second vertical guide rail, a first rack, a second rack, a first gear, a first clamping block, a second clamping block and a first driving device; the first rack is connected to the first vertical guide rail in a sliding mode, the second rack is connected to the second vertical guide rail in a sliding mode, two sides of the first gear are respectively meshed with the first rack and the second rack, the first gear is rotatably connected to the rack, and a first through hole for allowing the transmission shaft to penetrate through is formed in the middle of the first gear; the first driving device is in transmission connection with the first rack and is used for driving the first rack to slide along the first vertical guide rail, the first clamping block is connected to the first rack, and the second clamping block is connected to the second rack;
the third centering and positioning device comprises a first horizontal guide rail, a second horizontal guide rail, a third rack, a fourth rack, a second gear, a third clamping block, a fourth clamping block and a second driving device, the third rack is connected to the first horizontal guide rail in a sliding mode, the fourth rack is connected to the second horizontal guide rail in a sliding mode, the upper end of the second gear is meshed with the third rack, the lower end of the second gear is meshed with the fourth rack, the second gear is connected to the rack in a rotating mode, and a second through hole for allowing the transmission shaft to penetrate through is formed in the middle of the second gear; the second driving device is in transmission connection with the third rack and is used for driving the third rack to slide along the first horizontal guide rail, the third clamping block is connected to the third rack, and the fourth clamping block is connected to the fourth rack;
the pressure applying device comprises a second bracket, a second sliding seat, a third hydraulic cylinder, a second adjusting cylinder and a second flexible arc-shaped pad; the second support is fixed in the frame, the second support is equipped with the vertical slide rail of second, the second slide and the vertical slide rail sliding fit of second, the cylinder body of third pneumatic cylinder is fixed in the second support, the piston rod of third pneumatic cylinder is connected in the second slide, the lower part at the second slide is fixed at the middle part of the flexible arc pad of second, the arc opening of the flexible arc pad of second is down, the both sides of second slide are equipped with two second adjusting cylinder of mutual symmetry, the piston rod of second adjusting cylinder is connected in the tip of the flexible arc pad of second.
2. The bearing capacity detection device of the heavy truck transmission shaft matched with the heavy trucks with different diameters and specifications as claimed in claim 1, wherein the first support is a door-shaped support formed by connecting two vertical rods and a cross beam, the number of the first vertical slide rails is 2, and the 2 first vertical slide rails are respectively positioned on the inner sides of the two vertical rods.
3. The bearing capacity detection device of the heavy truck transmission shaft matched with the heavy trucks with different diameters and specifications as claimed in claim 1, wherein the second support is a door-shaped support formed by connecting two vertical rods and a cross beam, the number of the second vertical slide rails is 2, and the 2 first vertical slide rails are respectively positioned on the inner sides of the two vertical rods.
4. The bearing capacity detection device for the transmission shaft of the heavy truck adapting to different diameters and specifications as claimed in claim 1, wherein the cylinder body of the first adjusting cylinder is hinged to the first sliding seat, and the piston rod of the first adjusting cylinder is hinged to the end of the first flexible arc-shaped pad.
5. The bearing capacity detection device of claim 1, wherein the cylinder body of the second adjusting cylinder is hinged to the second sliding seat, and the piston rod of the second adjusting cylinder is hinged to the end of the second flexible arc-shaped pad.
6. The bearing capacity detection device adapted to heavy truck transmission shafts with different diameters and specifications according to claim 1, wherein the first flexible arc-shaped pad and the second flexible arc-shaped pad are both made of vulcanized rubber.
7. The bearing capacity detecting device for the transmission shaft of the heavy truck adapting to the different diameter specifications as claimed in claim 1, wherein the first driving device is a vertical first screw rod, the first rack is provided with a first nut matched with the first screw rod, the second driving device is a horizontal second screw rod, and the third rack is provided with a second nut matched with the second screw rod.
8. The bearing capacity detecting apparatus for the transmission shaft of the heavy truck adapting to the different diameters of the specification as claimed in claim 1, wherein a rubber pad is provided on a lower portion of the pressing plate.
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| CN202011486959.2A CN112611560B (en) | 2020-12-16 | 2020-12-16 | Bearing capacity detection equipment adaptive to heavy truck transmission shafts with different diameters |
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| CN202011486959.2A CN112611560B (en) | 2020-12-16 | 2020-12-16 | Bearing capacity detection equipment adaptive to heavy truck transmission shafts with different diameters |
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