CN114543737A - Concentricity detection device for joint pin shaft of engineering machinery - Google Patents
Concentricity detection device for joint pin shaft of engineering machinery Download PDFInfo
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- CN114543737A CN114543737A CN202210153431.6A CN202210153431A CN114543737A CN 114543737 A CN114543737 A CN 114543737A CN 202210153431 A CN202210153431 A CN 202210153431A CN 114543737 A CN114543737 A CN 114543737A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
- G01B21/24—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes for testing alignment of axes
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Abstract
The invention relates to the technical field of pin shaft concentricity detection equipment, in particular to an engineering machinery joint pin shaft concentricity detection device which comprises a base, wherein four corners of the bottom end of the top end of the base are fixedly connected with support legs, the top end of the base is provided with two annular grooves, the left sides of the bottom ends of the two annular grooves are respectively provided with a first guide groove, the right sides of the bottom ends of the two annular grooves are respectively provided with a second guide groove, the rear side of the bottom end of the first guide groove and the front side of the bottom end of the second guide groove are respectively embedded with a pressure sensor, the right sides of the inner parts of the two annular grooves are respectively provided with a support column in a sliding manner, a first sliding groove is arranged in each support column, a first sliding block is arranged in each first sliding groove in a sliding manner, and the top end of each first sliding block is connected with a first compression spring; the accuracy of the concentricity detection of the pin shaft is guaranteed, the non-concentric positions are conveniently and quickly positioned, people can quickly confirm the positions needing to be repaired, the repairing efficiency is improved, the detection time is shortened, and the detection efficiency is improved.
Description
Technical Field
The invention relates to the technical field of pin shaft concentricity detection equipment, in particular to a device for detecting the concentricity of a pin shaft of an engineering machinery joint.
Background
As is known to all, coaxiality is an important technical index for evaluating cylindrical workpieces, coaxiality errors directly affect assembly and use of the workpieces, and the concentricity of a pin shaft is detected by a device for detecting the concentricity of the pin shaft after production of an engineering mechanical joint pin shaft.
Through retrieval, the invention patent with Chinese patent publication No. CN112629386A discloses an engineering machinery joint pin shaft concentricity detection device, which comprises a base and a control console, wherein four corners of the lower end of the base are fixedly provided with pad feet, the right part of the upper end of the base is fixedly provided with a bottom plate, the upper end of the bottom plate is fixedly provided with a universal support, the universal support is fixedly provided with a concentricity detector, the front part of the upper end of the base is provided with a first sliding groove, an adjusting mechanism is connected in the first sliding groove in a sliding manner, and a rotating mechanism is arranged on the adjusting mechanism.
The above prior art solutions have the following drawbacks in use:
1. when detecting the round pin axle, need put the round pin axle on supporting mechanism, round pin axle and the perpendicular setting of ceramic rod, at round pin axle pivoted in-process, can rub each other, for guaranteeing that the quality of round pin axle is up to standard, need all carry out the concentricity to every round pin axle and detect, the quantity of the round pin axle that detects every day is more relatively, and long-time ceramic rod can wear and tear, influences the degree of accuracy that detects the concentricity of round pin axle.
2. When the detection of the pin shaft is carried out, the detected pin shaft is taken down after the detection of one pin shaft is finished, a new pin shaft is placed on the detection device for detection, and in the pin shaft detection process, a worker for loading can only wait, so that a large amount of time is wasted, and the pin shaft detection efficiency is reduced.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects in the prior art, the invention provides a device for detecting the concentricity of a pin shaft of an engineering machine joint, which aims to solve the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a concentricity detection device for a joint pin shaft of engineering machinery comprises a base, wherein supporting legs are fixedly connected to four corners of the bottom end of the top end of the base, two annular grooves are formed in the top end of the base, a first guide groove is formed in the left side of the bottom end of each annular groove, a second guide groove is formed in the right side of the bottom end of each annular groove, pressure sensors are embedded and installed in the rear side of the bottom end of each first guide groove and the front side of the bottom end of each second guide groove, a supporting column is arranged on the right side of the inner part of each annular groove in a sliding manner, a first sliding groove is formed in each supporting column, a first sliding block is arranged in each first sliding groove in a sliding manner, a first compression spring is connected to the top end of each first sliding block, a guide column is fixedly connected to the bottom end of each first sliding block, one end, extending to the lower side of each guide column, is inserted into the inner part of each second guide groove, and the top end of the base is connected with a supporting plate through a driving mechanism, the bottom left side and the bottom right side of backup pad all are provided with first protruding type groove, and the inside in first protruding type groove slides and is provided with first protruding type piece, and the left end of first protruding type piece is connected with second compression spring, the left end of second compression spring and the left end fixed connection in first protruding type groove, the bottom of two first protruding type pieces respectively with the top fixed connection of two support columns, two supporting mechanism of the equal fixedly connected with in top front side and the top rear side of backup pad, the top left side fixedly connected with counter shaft pin concentricity of base detects the detection mechanism, the top right side of base is connected with the rotary mechanism that drives pivot pivoted.
Preferably, the drive structure includes first motor, the top of base is provided with second protruding type groove, and the inside in second protruding type groove slides and is provided with second protruding type piece, and the inside threaded connection of second protruding type piece has first screw rod, and first screw rod rotates with the base to be connected, the front end at the base is installed to first motor, the output of first motor and the front end fixed connection of first screw rod.
Further, supporting mechanism includes the supporting seat, the top of supporting seat is provided with the V type groove that the effect runs through, and the spin is installed in the equal embedding of two sides in V type groove.
Still further, detection mechanism includes the fixed column, the top fixedly connected with fixed plate of fixed column, the bottom of fixed plate is provided with the second spout, the inside slip of second spout is provided with the second slider, the inside threaded connection of second slider has the second screw rod, the second screw rod rotates with the fixed plate to be connected, the second motor is installed to the left end of fixed plate, the output of second motor and the left end fixed connection of second screw rod, the bottom of second slider is connected with the concentricity detector through first electronic jar, the bottom of fixed plate is located the left side fixedly connected with fixed block of second spout, the right-hand member fixedly connected with distance sensor of fixed block.
As a further scheme of this scheme, rotary mechanism includes the electronic jar of second and third motor, the bottom of the electronic jar of second and the top fixed connection of base, the top fixedly connected with fixing base of the electronic jar of second, the bottom left side of fixing base is provided with the swivelling chute, and the inside front side and the inside rear side of swivelling chute all rotate through the pivot and are connected with the swiveling wheel, and the inside right side that is located the swivelling chute of fixing base is provided with the dead slot, and two pivots extend to the equal fixedly connected with first sprocket of the inside one end of dead slot, the right-hand member at the fixing base is installed to the third motor, and the output shaft of third motor extends to the inside one end fixedly connected with second sprocket of dead slot, and the second sprocket passes through the chain and is connected with two first sprocket drive.
As a further scheme of the scheme, the rubber sleeve is sleeved outside the rotating wheel, and anti-skid lines are arranged outside the rubber sleeve.
On the basis of the scheme, the left end of the fixing column is fixedly connected with a control console, and a display screen is arranged on the control console.
(III) advantageous effects
Compared with the prior art, the invention provides a device for detecting the concentricity of the pin shaft of the joint of the engineering machinery, which has the following beneficial effects:
1. according to the invention, the rolling balls are rotatably connected to the supporting seat, the pin shaft is placed between the two rolling balls, and in the rotating process of the pin shaft, the rolling balls can rotate along with the pin shaft, so that the friction force between the pin shaft and the rolling balls is reduced, the rolling balls are prevented from being worn, and the accuracy of detecting the concentricity of the pin shaft is ensured.
2. According to the invention, the concentricity of the pin shaft detected by the concentricity detector, the distance between the second slide block and the distance sensor detected by the distance sensor, the detected signal is transmitted to the console through the concentricity detector and the distance sensor, the detected data is recorded and analyzed by the console, when a certain part of the pin shaft is not concentric, a worker numbers the pin shaft according to the display on the console and marks the number at the left end of the pin shaft, and then people judge the specific position of the pin shaft to be non-concentric according to the data detected by the concentricity detector and the distance sensor, so that the people can conveniently analyze the detected data and judge whether the pin shaft can be repaired, the non-concentric position can be quickly positioned, the people can conveniently and quickly confirm the position to be repaired, and the repairing efficiency is improved.
3. In the invention, the front side and the rear side of the supporting plate are both fixedly connected with two supporting mechanisms, a first screw rod is driven to rotate by a first motor, the first screw rod rotates to enable the first convex block and the supporting plate to move back and forth, the two supporting mechanisms of the supporting plate are positioned below a concentricity detector and a rotating mechanism, pin shafts on the two supporting mechanisms are driven to rotate by the rotating mechanism, the concentricity of the pin shafts is detected by the concentricity detector, a worker can take down the pin shafts on the other two supporting mechanisms and place the pin shafts to be detected on the other two supporting mechanisms while detecting the pin shafts, after the detection of the pin shafts is finished, the first motor drives the first convex block and the supporting plate to move, the pin shafts to be detected are moved to the lower part of the concentricity detector to be detected, and the pin shafts are not required to be replaced after the detection of the pin shafts is finished, the waiting of the working personnel beside is avoided, so that the detection time is shortened, and the detection efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic left sectional view of the two rotatable wheels and the fixing base of the present invention;
FIG. 3 is a left side view of the supporting mechanism of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 1A;
FIG. 5 is an enlarged view of a portion of FIG. 1 at B according to the present invention;
FIG. 6 is an enlarged partial view of FIG. 1 at C;
fig. 7 is a schematic perspective view of the support plate of the present invention.
In the figure: 1. a base; 2. a support leg; 3. a pressure sensor; 4. a support pillar; 5. a first slider; 6. a first compression spring; 7. a guide post; 8. a support plate; 9. a first male block; 10. a second compression spring; 11. a first motor; 12. a second male block; 13. a first screw; 14. a supporting seat; 15. rolling a ball; 16. fixing a column; 17. a fixing plate; 18. a second slider; 19. a second screw; 20. a second motor; 21. a first electric cylinder; 22. a concentricity detector; 23. a fixed block; 24. a distance sensor; 25. a second electric cylinder; 26. a third motor; 27. a fixed seat; 28. a rotating shaft; 29. a rotating wheel; 30. a first sprocket; 31. a second sprocket; 32. a chain; 33. a rubber sleeve; 34. anti-skid lines; 35. a console; 36. a display screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-7, an engineering machinery joint pin shaft concentricity detection device comprises a base 1, supporting legs 2 are fixedly connected to four corners of the top end of the base 1, two ring grooves are formed in the top end of the base 1, first guide grooves are formed in the left sides of the bottom ends of the two ring grooves, the depth of each first guide groove is sequentially increased from front to back, second guide grooves are formed in the right sides of the bottom ends of the two ring grooves, the depth of each second guide groove is sequentially increased from back to front, pressure sensors 3 are embedded in the rear sides of the bottom ends of the first guide grooves and the front sides of the bottom ends of the second guide grooves, supporting columns 4 are slidably arranged on the right sides of the inner portions of the two ring grooves, first sliding grooves are formed in the supporting columns 4, first sliding blocks 5 are slidably arranged in the first sliding grooves, first compression springs 6 are connected to the top ends of the first sliding blocks 5, guide columns 7 are fixedly connected to the bottom ends of the first sliding blocks 5, one end of the guide post 7 extending to the lower part of the support post 4 is inserted into the second guide groove, the guide post 7 is pushed to move downwards by the first compression spring 6, the guide post 7 is inserted into the first guide groove and the second guide groove, the support post 4 and the guide post 7 move along the direction of the first guide groove or the second guide groove, when the pressure sensor 3 is extruded by the guide post 7, the driving mechanism is controlled by the control console 35 to stop working, at the moment, the pin shaft to be detected and the two corresponding supporting mechanisms just move to the position under the detection mechanism, when the top end of the base 1 is connected with the support plate 8 by the driving mechanism, the driving mechanism comprises a first motor 11, the top end of the base 1 is provided with a second convex groove, the inside of the second convex groove is provided with a second convex block 12 in a sliding manner, the inside of the second convex block 12 is connected with a first screw 13 by a thread, the first screw 13 is rotatably connected with the base 1, the first motor 11 is arranged at the front end of the base 1, the output end of the first motor 11 is fixedly connected with the front end of the first screw 13, the first screw 13 is driven to rotate by the first motor 11, the first screw 13 rotates to enable the first convex block 9 and the support plate 8 to slide back and forth, the position of a pin shaft on the support mechanism is adjusted, the left side of the bottom end and the right side of the bottom end of the support plate 8 are both provided with first convex grooves, the first convex blocks 9 are slidably arranged in the first convex grooves, the left end of the first convex blocks 9 is connected with a second compression spring 10, the left end of the second compression spring 10 is fixedly connected with the left end of the first convex grooves, the bottom ends of the two first convex blocks 9 are respectively fixedly connected with the top ends of the two support columns 4, the front side of the top end and the back side of the top end of the support plate 8 are both fixedly connected with two support mechanisms, the support mechanisms comprise a support seat 14, the top end of the supporting seat 14 is provided with a V-shaped groove for penetrating, two side ends of the V-shaped groove are embedded with rolling balls 15, the rolling balls 15 are connected with the supporting seat 14 in a rotating way, a pin shaft is placed between the two rolling balls 15, in the rotating process of the pin shaft, the rolling balls 15 can rotate along with the pin shaft, the friction force between the pin shaft and the rolling balls 15 is reduced, the abrasion of the rolling balls 15 is avoided, the concentricity detection accuracy of the pin shaft is ensured, the left side of the top end of the base 1 is fixedly connected with a detection mechanism for concentricity detection of the pin shaft, the right side of the top end of the base 1 is connected with a rotating mechanism for driving the pin shaft to rotate, the rotating mechanism drives the pin shaft to rotate, the front side and the rear side of the supporting plate 8 are fixedly connected with two supporting mechanisms, the first screw 13 is driven to rotate by the first motor 11, the first screw 13 rotates to enable the first convex block 9 and the supporting plate 8 to move back and forth, so that the two supporting mechanisms of the supporting plate 8 are positioned below the concentricity detector 22 and the rotating mechanism, the rotating mechanism drives the pin shafts on the two supporting mechanisms to rotate, the concentricity of the pin shafts is detected through the concentricity detector 22, when the pin shafts are detected, workers can take the pin shafts on the other two supporting mechanisms down and place the pin shafts to be detected on the other two supporting mechanisms, after the pin shaft detection is completed, the first motor 11 drives the first convex block 9 and the supporting plate 8 to move, the pin shafts to be detected are moved to the position below the concentricity detector 22 to be detected, the pin shafts are not required to be replaced after the pin shaft detection is completed, the workers are prevented from waiting aside, the detection time is shortened, and the detection efficiency is improved.
It should be further noted that the detection mechanism includes a fixed column 16, a left end fixedly connected with console 35 of the fixed column 16, the device is convenient to operate and control through the console 35, the detected data is analyzed and stored through a controller, a display screen 36 is arranged on the console 35, the detected data is displayed through the display screen 36, a top end fixedly connected with a fixed plate 17 of the fixed column 16, a second sliding groove is arranged at the bottom end of the fixed plate 17, a second sliding block 18 is arranged in the second sliding groove in a sliding manner, a second screw 19 is connected to the inner thread of the second sliding block 18, the second screw 19 is rotatably connected with the fixed plate 17, a second motor 20 is installed at the left end of the fixed plate 17, the output end of the second motor 20 is fixedly connected with the left end of the second screw 19, the bottom end of the second sliding block 18 is connected with a concentricity detector 22 through a first electric cylinder 21, the bottom end of the concentricity detector 22 and the top end of a pin shaft when the concentricity detector 22 is pushed to move downwards through the first electric cylinder 21 End contact, the bottom end of the fixed plate 17 is positioned at the left side of the second chute and is fixedly connected with a fixed block 23, the right end of the fixed block 23 is fixedly connected with a distance sensor 24, a second motor 20 drives a second screw rod 19 to rotate, the second screw rod 19 rotates to drive a second slide block 18 to slide in the second chute, the second slide block 18 drives a first electric cylinder 21 and a concentricity detector 22 to move, the concentricity of the pin shaft detected by the concentricity detector 22, the distance between the second slide block 18 and the distance sensor 24 detected by the distance sensor 24, detected signals are transmitted to a control console 35 through the concentricity detector 22 and the distance sensor 24, the detected data are recorded and analyzed through the control console 35, when a certain part of the pin shaft is not concentric, a worker numbers the pin shaft according to the display on the control console 35 and marks the number at the left end of the pin shaft, follow-up people judge the position of the pin shaft according to the data detected by the concentricity detector 22 and the distance sensor 24, so that the people can conveniently analyze according to the detected data, judge whether the pin shaft can be repaired, conveniently and quickly position the position with the decentration, and conveniently and quickly confirm the position needing to be repaired, thereby improving the repairing efficiency, the rotating mechanism comprises a second electric cylinder 25 and a third motor 26, the bottom end of the second electric cylinder 25 is fixedly connected with the top end of the base 1, the top end of the second electric cylinder 25 is fixedly connected with a fixed seat 27, the left side of the bottom end of the fixed seat 27 is provided with a rotating groove, the inner front side and the inner rear side of the rotating groove are both rotatably connected with a rotating wheel 29 through a rotating shaft 28, the outer part of the rotating wheel 29 is sleeved with a rubber sleeve 33, the outer part of the rubber sleeve 33 is provided with anti-skid veins 34, so as to improve the friction force on the surface of the rubber sleeve 33, and conveniently, the rotating wheel 29 drives the pin shaft to rotate, two swiveling wheels 29 set up the upside at the supporting mechanism that is located the right side, the inside right side that is located the swivelling chute of fixing base 27 is provided with the dead slot, two equal fixedly connected with first sprocket 30 of one end that pivot 28 extended to the dead slot inside, the right-hand member at fixing base 27 is installed to third motor 26, the one end fixedly connected with second sprocket 31 that the output shaft of third motor 26 extended to the dead slot inside, second sprocket 31 is connected with two first sprocket 30 transmissions through chain 32, adjust the height of fixing base 27 and two swiveling wheels 29 through the electronic jar 25 of second, make the side of two swiveling wheels 29 and the side contact of round pin axle, it rotates to drive second sprocket 31 through third motor 26, second sprocket 31 drives two first sprockets 30 through chain 32 and rotates, two first sprockets 30 rotate and drive two swiveling wheels 29 and rotate, two swiveling wheels 29 drive the round pin axle and rotate.
In conclusion, when the device for detecting the concentricity of the pin shaft of the engineering machinery joint is used, the pin shaft to be detected is placed on the two supporting seats 14 positioned on the front side, then the first motor 11 is started, the first screw 13 is driven to rotate anticlockwise through the first motor 11, the first screw 13 rotates anticlockwise to enable the first convex block 9 and the supporting plate 8 to move backwards, the guide post 7 moves backwards from the inside of the second guide groove, when the guide post 7 moves backwards in the first guide groove, the guide post 7 is pushed to move downwards through the first compression spring 6, the guide post 7 is inserted into the first guide groove and extrudes the pressure sensor 3, the pressure sensor 3 transmits the limit number to the control console 35, the first motor 11 is controlled to stop working through the control console 35, at the moment, the pin shaft positioned on the two supporting seats 14 on the front side is just positioned below the concentricity detector 22, a worker marks the left side of the top end of the pin shaft, then drives the second screw rod 19 to rotate through the second motor 20, the second screw rod 19 rotates to enable the second sliding block 18 to slide left and right in the second sliding groove, the left and right positions of the concentricity detector 22 are adjusted, the concentricity detector 22 is pushed to move downwards through the first electric cylinder 21, the bottom end of the concentricity detector 22 is enabled to be in contact with the marked positions on the pin shaft, then the fixed seat 27 is pulled to move downwards through the second electric cylinder 25, the side ends of the two rotating wheels 29 are enabled to be in contact with the side ends of the pin shaft, the second chain wheel 31 is driven to rotate through the third motor 26, the second chain wheel 31 drives the two first chain wheels 30 to rotate through the chain 32, the two first chain wheels 30 rotate to drive the two rotating wheels 29 to rotate, the two rotating wheels 29 drive the pin shaft to rotate, and the second sliding block 18 is enabled to rotate through the matching of the second motor 20 and the second screw rod 19 when the pin shaft rotates, The first electric cylinder 21 and the concentricity detector 22 slowly move to the right side, the second slider 18 is detected by the distance sensor 24, the distance between the second slider 18 and the distance sensor 24 is detected by the distance sensor 24, the detected signals are transmitted to the console 35 by the concentricity detector 22 and the distance sensor 24, the detected data are recorded and analyzed by the console 35, when one part of the pin shaft is not concentric, a worker marks the number at the left end of the pin shaft according to the pin shaft number displayed on the console 35, the pin shaft with detection is placed on the other two supporting seats 14 while detecting the pin shaft, after the pin shaft detection is finished, the first motor 11 is controlled by the console 35 to rotate reversely, the supporting plate 8 moves to the front side, the guide post 7 moves forward in the first guide groove, when the guide post 7 is extruded with the pressure sensor 3 in the second guide groove, the first motor 11 is controlled to stop working by the console 35, the pin shafts on the two supporting seats 14 on the rear side are just below the concentricity detector 22, and then the pin shaft to be detected is detected according to the steps.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The concentricity detection device for the joint pin shaft of the engineering machinery comprises a base (1) and is characterized in that supporting legs (2) are fixedly connected to four corners of the bottom end of the top end of the base (1), two annular grooves are formed in the top end of the base (1), first guide grooves are formed in the left sides of the bottoms of the two annular grooves, second guide grooves are formed in the right sides of the bottoms of the two annular grooves, pressure sensors (3) are embedded into the rear sides of the bottoms of the first guide grooves and the front sides of the bottoms of the second guide grooves, supporting columns (4) are arranged on the right sides of the inner parts of the two annular grooves in a sliding manner, first sliding grooves are formed in the supporting columns (4), first sliding blocks (5) are arranged in the sliding manner, first compression springs (6) are connected to the top ends of the first sliding blocks (5), guide columns (7) are fixedly connected to the bottom ends of the first sliding blocks (5), and the guide columns (7) extend to one ends below the supporting columns (4) to be inserted into the inner parts of the second guide grooves, the top of base (1) is connected with backup pad (8) through actuating mechanism, and the bottom left side and the bottom right side of backup pad (8) all are provided with first protruding type groove, and the inside in first protruding type groove slides and is provided with first protruding type piece (9), and the left end of first protruding type piece (9) is connected with second compression spring (10), the left end of second compression spring (10) and the left end fixed connection in first protruding type groove, the bottom of two first protruding type pieces (9) respectively with the top fixed connection of two support columns (4), the top front side of backup pad (8) and two supporting mechanism of the equal fixedly connected with in top rear side, the top left side fixedly connected with of base (1) is to the detection mechanism that the axiality of counter shaft pin detected, the top right side of base (1) is connected with and drives pivot pivoted rotary mechanism.
2. The concentricity detection device for the joint pin shaft of the engineering machine according to claim 1, wherein the driving structure comprises a first motor (11), a second convex groove is formed in the top end of the base (1), a second convex block (12) is slidably arranged in the second convex groove, a first screw (13) is connected to the inner portion of the second convex block (12) in a threaded manner, the first screw (13) is rotatably connected with the base (1), the first motor (11) is installed at the front end of the base (1), and the output end of the first motor (11) is fixedly connected with the front end of the first screw (13).
3. The concentricity detection device for the joint pin shaft of the engineering machine according to claim 2, wherein the support mechanism comprises a support base (14), a V-shaped groove for penetrating is formed in the top end of the support base (14), and rolling balls (15) are embedded in two side ends of the V-shaped groove.
4. The concentricity detection device for the joint pin shaft of the engineering machinery according to claim 3, wherein the detection mechanism comprises a fixed column (16), a fixed plate (17) is fixedly connected to the top end of the fixed column (16), a second sliding groove is formed in the bottom end of the fixed plate (17), a second sliding block (18) is slidably arranged in the second sliding groove, a second screw rod (19) is connected to the second sliding block (18) in a threaded manner, the second screw rod (19) is rotatably connected with the fixed plate (17), a second motor (20) is installed at the left end of the fixed plate (17), the output end of the second motor (20) is fixedly connected with the left end of the second screw rod (19), a concentricity detector (22) is connected to the bottom end of the second sliding block (18) through a first electric cylinder (21), a fixed block (23) is fixedly connected to the left side of the second sliding groove at the bottom end of the fixed plate (17), the right end of the fixed block (23) is fixedly connected with a distance sensor (24).
5. The concentricity detection device for the pin shaft of the joint of the engineering machinery according to claim 4, wherein the rotating mechanism comprises a second electric cylinder (25) and a third motor (26), the bottom end of the second electric cylinder (25) is fixedly connected with the top end of the base (1), the top end of the second electric cylinder (25) is fixedly connected with a fixed seat (27), the left side of the bottom end of the fixed seat (27) is provided with a rotating groove, the front side and the rear side of the inner part of the rotating groove are both rotatably connected with a rotating wheel (29) through rotating shafts (28), the right side of the rotating groove in the fixed seat (27) is provided with a hollow groove, one ends of the two rotating shafts (28) extending to the inside of the hollow groove are both fixedly connected with a first chain wheel (30), the third motor (26) is installed at the right end of the fixed seat (27), and one end of the output shaft of the third motor (26) extending to the inside of the hollow groove is fixedly connected with a second chain wheel (31), the second chain wheel (31) is in transmission connection with the two first chain wheels (30) through a chain (32).
6. The concentricity detection device for the pin shaft of the joint of the engineering machine according to claim 5, wherein a rubber sleeve (33) is sleeved outside the rotating wheel (29), and anti-skid lines (34) are arranged outside the rubber sleeve (33).
7. The concentricity detection device for the joint pin shaft of the engineering machinery as claimed in claim 6, wherein a control console (35) is fixedly connected to the left end of the fixed column (16), and a display screen (36) is arranged on the control console (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210153431.6A CN114543737A (en) | 2022-02-18 | 2022-02-18 | Concentricity detection device for joint pin shaft of engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210153431.6A CN114543737A (en) | 2022-02-18 | 2022-02-18 | Concentricity detection device for joint pin shaft of engineering machinery |
Publications (1)
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Cited By (1)
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| CN117146761A (en) * | 2023-10-31 | 2023-12-01 | 南通市中吕齿轮有限公司 | Gear shaft concentricity detection device and method |
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