CN213714132U - Positioning structure for axle measuring machine - Google Patents
Positioning structure for axle measuring machine Download PDFInfo
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- CN213714132U CN213714132U CN202022704688.5U CN202022704688U CN213714132U CN 213714132 U CN213714132 U CN 213714132U CN 202022704688 U CN202022704688 U CN 202022704688U CN 213714132 U CN213714132 U CN 213714132U
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- positioning mechanism
- top surface
- fixedly connected
- base
- bottom plate
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- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses an axletree is location structure for measuring machine, concretely relates to precision measurement equipment technical field, comprising a base plate, the bottom plate top surface is provided with mirror symmetry's first positioning mechanism and second positioning mechanism, first positioning mechanism and second positioning mechanism are located same axis, first positioning mechanism includes first base, first base bottom surface fixed connection is in the bottom plate, first base one side fixedly connected with connecting rod, first three-jaw chuck is installed to the connecting rod end, trapezoidal spout has been seted up to bottom plate top surface opposite side, the inside sliding connection of spout has the sliding block, sliding block top surface fixedly connected with second base, second base one side is provided with buffer gear, second three-jaw chuck is installed to buffer gear end. The utility model discloses a set up first positioning mechanism and second positioning mechanism, press from both sides the axle along same axis tightly with first three-jaw chuck and second three-jaw chuck, replace the tight axletree in two top tops, realize the location.
Description
Technical Field
The utility model relates to an accurate check out test set technical field, more specifically says, the utility model relates to an axletree is location structure for measuring machine.
Background
With the development of railway transportation, in the technical field of railway vehicles, in consideration of the safety and service life of the railway vehicles, the requirement on the processing precision of axles is generally high, and when the axles are used as main components for bearing loads in the railway vehicles, the processing precision is unqualified, the defects of uneven axle load distribution, serious axle abrasion and the like can be caused, and even accidents such as axle breakage, train derailment and the like can be caused in serious cases.
In the prior art, when an axle is positioned, a mechanical centering mode that double tips can move relatively is adopted, the axle is tightly propped by the double tips through the driving of a hydraulic oil cylinder, the positioning error is large, and the improved part exists.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an axletree is location structure for measuring machine to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a positioning structure for an axle measuring machine comprises a bottom plate, wherein a first positioning mechanism and a second positioning mechanism which are in mirror symmetry are arranged at two ends of the top surface of the bottom plate, the first positioning mechanism and the second positioning mechanism are positioned on the same axis, the first positioning mechanism comprises a first base, the bottom surface of the first base is fixedly connected with one side of the top surface of the bottom plate, one side of the first base is fixedly connected with a connecting rod, the tail end of the connecting rod is provided with a first three-jaw chuck, the other side of the top surface of the bottom plate is provided with a trapezoidal sliding chute, the inside of the sliding chute is connected with a matched sliding block in a sliding way, the top surface of the sliding block is fixedly connected with a second base, one side of second base is provided with buffer gear, second three-jaw chuck is installed to buffer gear's end, first three-jaw chuck and second three-jaw chuck are mirror symmetry and are located same axis.
Further, the top surface and the bottom surface of sliding block run through and have seted up first screw thread through-hole, the second base seted up with first screw thread through-hole assorted second screw thread through-hole, second screw thread through-hole runs through and sets up the top surface and the bottom surface of second base, first screw thread through-hole and second screw thread through-hole are linked together, first screw thread through-hole and second screw thread through-hole threaded connection have the bolt, the bottom butt of bolt is in the bottom plate.
Further, buffer gear includes the connecting block, one side fixed connection of connecting block is in the second base, the cavity has been seted up to the opposite side of connecting block, the connecting block is in one side fixedly connected with spring of cavity, the opposite side fixedly connected with gag lever post of spring, the opposite side fixedly connected with telescopic link of gag lever post, the opposite side of connecting block is worn to locate by the opposite side of telescopic link extends outside and fixed connection in the third jaw chuck of connecting block.
Further, the top surface and the bottom surface of gag lever post are laminated in the inner wall of connecting block respectively, the connecting block is in the symmetrical stopper of spring of one side fixedly connected with of cavity, two stopper and gag lever post are located same axis.
Furthermore, the top surface of bottom plate is provided with measuring mechanism, measuring mechanism is located between first positioning mechanism and the second positioning mechanism, measuring mechanism includes the detector, the recess of symmetry is seted up to the top surface of bottom plate, two the inside of recess is sliding connection respectively has the bracing piece of symmetry, two the top fixedly connected with connecting plate of bracing piece, the detector is installed in the top surface of connecting plate.
Furthermore, the bottom surface of the bottom plate is fixedly connected with fixing blocks which are arranged in a rectangular array in a pairwise symmetry manner, and the bottom surfaces of the fixing blocks are fixedly connected with suckers.
Furthermore, the top surface of the bottom plate is fixedly connected with symmetrical supporting blocks, and the two supporting blocks are positioned between the first positioning mechanism and the second positioning mechanism.
The utility model discloses a technological effect and advantage:
1. compared with the prior art, through setting up first positioning mechanism and second positioning mechanism, press from both sides the axletree along same axis tightly with first three-jaw chuck and second three-jaw chuck, replace two top tight axletree tops simultaneously, reduce positioning error.
2. Compared with the prior art, through setting up the bolt, with first screw thread through-hole and second screw thread through-hole threaded connection, bolt bottom butt bottom plate to be convenient for fix a position second positioning mechanism's position.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the schematic view of the sectional structure of the bolt of the present invention.
Fig. 3 is a schematic view of the structure of the measuring mechanism of the present invention.
Fig. 4 is the schematic sectional structural view of the buffering mechanism of the present invention.
The reference signs are: 1. a base plate; 2. a first positioning mechanism; 3. a second positioning mechanism; 4. a first base; 5. a connecting rod; 6. a second base; 7. a buffer mechanism; 8. a first three-jaw chuck; 9. a second three-jaw chuck; 10. a chute; 11. a slider; 12. a limiting rod; 13. a first threaded through hole; 14. a second threaded through hole; 15. a bolt; 16. a fixed block; 17. a suction cup; 18. connecting blocks; 19. a cavity; 20. a spring; 21. a limiting block; 22. a telescopic rod; 23. a support block; 24. a support bar; 25. a detector; 26. a groove; 27. a connecting plate; 28. and a measuring mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, a positioning structure for axle measuring machine, including bottom plate 1, bottom plate 1's top surface both ends are provided with mirror symmetry's first positioning mechanism 2 and second positioning mechanism 3, first positioning mechanism 2 and second positioning mechanism 3 are located same axis, first positioning mechanism 2 includes first base 4, the bottom surface fixed connection of first base 4 is in top surface one side of bottom plate 1, one side fixedly connected with connecting rod 5 of first base 4, first three-jaw chuck 8 is installed to the end of connecting rod 5, trapezoidal spout 10 has been seted up to bottom plate 1's top surface opposite side, the inside sliding connection of spout 10 has assorted sliding block 11, the top surface fixed connection of sliding block 11 has second base 6, one side of second base 6 is provided with buffer gear 7, second three-jaw chuck 9 is installed to buffer gear 7's end, first three-jaw chuck 8 and second three-jaw chuck 9 are mirror symmetry and are located same axis.
In a preferred embodiment, the top surface and the bottom surface of the sliding block 11 are provided with a first threaded through hole 13, the second base 6 is provided with a second threaded through hole 14 matched with the first threaded through hole 13, the second threaded through hole 14 is provided on the top surface and the bottom surface of the second base 6, the first threaded through hole 13 is communicated with the second threaded through hole 14, the first threaded through hole 13 and the second threaded through hole 14 are in threaded connection with a bolt 15, the bottom end of the bolt 15 abuts against the bottom plate 1 so as to position the sliding block 11, the first threaded through hole 13 and the second threaded through hole 14 are in threaded connection with the bolt 15, the bolt 15 abuts against the bottom plate 1 so as to position the sliding block 11.
In a preferred embodiment, the buffer mechanism 7 includes a connection block 18, one side of the connection block 18 is fixedly connected to the second base 6, the other side of the connection block 18 is provided with a cavity 19, the connection block 18 is fixedly connected with a spring 20 at one side of the cavity 19, the other side of the spring 20 is fixedly connected with a limiting rod 12, the other side of the limiting rod 12 is fixedly connected with a telescopic rod 22, the other side of the telescopic rod 22 penetrates through the other side of the connection block 18 to extend to the outside of the connection block 18 and is fixedly connected to the second three-jaw chuck 9, so as to provide buffer protection for the second three-jaw chuck 9, when the second three-jaw chuck 9 is in contact with the shaft, the spring 20 provides elastic buffer effect for the second three-jaw chuck 9, and rigid impact caused by inertia is.
In a preferred embodiment, the top surface and the bottom surface of the limiting rod 12 are respectively attached to the inner wall of the connecting block 18, the connecting block 18 is fixedly connected to the symmetrical limiting blocks 21 of the spring 20 at one side of the cavity 19, the two limiting blocks 21 and the limiting rod 12 are located on the same axis, so as to protect the spring 20, and the limiting rod 12 and the limiting blocks 21 prevent the spring 20 from being plastically deformed when being compressed.
In a preferred embodiment, the top surface of the bottom plate 1 is provided with a measuring mechanism 28, the measuring mechanism 28 is located between the first positioning mechanism 2 and the second positioning mechanism 3, the measuring mechanism 28 includes a detector 25, the top surface of the bottom plate 1 is provided with symmetrical grooves 26, the insides of the two grooves 26 are respectively connected with symmetrical support rods 24 in a sliding manner, the tops of the two support rods 24 are fixedly connected with a connecting plate 27, the detector 25 is installed on the top surface of the connecting plate 27 so as to measure the shaft, the support rods 24 of the measuring mechanism 28 are pushed to slide in the grooves 26 to drive the detector 25 and the connecting plate 27 to move, and the detector 25 is used for measuring different parts of the shaft.
In a preferred embodiment, the bottom surface of the bottom plate 1 is fixedly connected with two symmetrically arranged fixed blocks 16 in a rectangular array, the bottom surfaces of the fixed blocks 16 are fixedly connected with suction cups 17, so as to increase the stability of the structure, and the suction cups 17 at the bottoms of the fixed blocks 16 are sucked on the ground, so that the whole device is reinforced and stabilized.
In a preferred embodiment, the top surface of the bottom plate 1 is fixedly connected with symmetrical supporting blocks 23, and the two supporting blocks 23 are positioned between the first positioning mechanism 2 and the second positioning mechanism 3 so as to realize accurate measurement of the shaft, and the shaft is supported by the supporting blocks 23, so that the influence on the measurement accuracy due to bending deformation caused by overlong shaft or overweight shaft middle part is avoided.
The utility model discloses the theory of operation: one end of the axle is clamped by the first three-jaw chuck 8, the sliding block 11 and the second base 6 are pushed to slide to the other end of the axle in the sliding groove 10, and the other end of the axle is clamped by the second three-jaw chuck 9, so that the axle is positioned.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an axletree is location structure for measuring machine, includes bottom plate (1), its characterized in that: the improved structure of the sliding block is characterized in that a first positioning mechanism (2) and a second positioning mechanism (3) which are in mirror symmetry are arranged at two ends of the top surface of the bottom plate (1), the first positioning mechanism (2) and the second positioning mechanism (3) are located on the same axis, the first positioning mechanism (2) comprises a first base (4), the bottom surface of the first base (4) is fixedly connected to one side of the top surface of the bottom plate (1), a connecting rod (5) is fixedly connected to one side of the first base (4), a first three-jaw chuck (8) is installed at the tail end of the connecting rod (5), a trapezoidal sliding groove (10) is formed in the other side of the top surface of the bottom plate (1), a sliding block (10) is connected with a matched sliding block (11) in a sliding mode, a second base (6) is fixedly connected to the top surface of the sliding block (11), a buffering mechanism (7) is, second three-jaw chuck (9) are installed to the end of buffer gear (7), first three-jaw chuck (8) and second three-jaw chuck (9) are mirror symmetry and are located same axis.
2. The positioning structure for an axle measuring machine according to claim 1, characterized in that: first screw thread through-hole (13) have been seted up in the top surface and the bottom surface of sliding block (11) run through, second screw thread through-hole (14) with first screw thread through-hole (13) assorted are seted up in second base (6), second screw thread through-hole (14) run through the top surface and the bottom surface of seting up in second base (6), first screw thread through-hole (13) and second screw thread through-hole (14) are linked together, first screw thread through-hole (13) and second screw thread through-hole (14) threaded connection have bolt (15), the bottom butt in bottom plate (1) of bolt (15).
3. The positioning structure for an axle measuring machine according to claim 1, characterized in that: buffer gear (7) include connecting block (18), one side fixed connection in second base (6) of connecting block (18), cavity (19) have been seted up to the opposite side of connecting block (18), connecting block (18) in one side fixedly connected with spring (20) of cavity (19), the opposite side fixedly connected with gag lever post (12) of spring (20), opposite side fixedly connected with telescopic link (22) of gag lever post (12), the opposite side of connecting block (18) is worn to locate by the opposite side of telescopic link (22) outside and fixed connection in second three-jaw chuck (9) that extend to connecting block (18).
4. The positioning structure for an axle measuring machine according to claim 3, characterized in that: the top surface and the bottom surface of gag lever post (12) laminate in the inner wall of connecting block (18) respectively, connecting block (18) in one side fixedly connected with of cavity (19) in symmetrical stopper (21) of spring (20), two stopper (21) and gag lever post (12) are located same axis.
5. The positioning structure for an axle measuring machine according to claim 1, characterized in that: the top surface of bottom plate (1) is provided with measuring mechanism (28), measuring mechanism (28) are located between first positioning mechanism (2) and second positioning mechanism (3), measuring mechanism (28) include detector (25), recess (26) of symmetry, two are seted up to the top surface of bottom plate (1) the inside difference sliding connection of recess (26) has bracing piece (24) of symmetry, two the top fixedly connected with connecting plate (27) of bracing piece (24), the top surface in connecting plate (27) is installed in detector (25).
6. The positioning structure for an axle measuring machine according to claim 1, characterized in that: the bottom surface of the bottom plate (1) is fixedly connected with fixing blocks (16) which are arranged in a rectangular array in a pairwise symmetry mode, and sucking discs (17) are fixedly connected to the bottom surfaces of the fixing blocks (16).
7. The positioning structure for an axle measuring machine according to claim 1, characterized in that: the top surface of the bottom plate (1) is fixedly connected with symmetrical supporting blocks (23), and the two supporting blocks (23) are located between the first positioning mechanism (2) and the second positioning mechanism (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022704688.5U CN213714132U (en) | 2020-11-20 | 2020-11-20 | Positioning structure for axle measuring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022704688.5U CN213714132U (en) | 2020-11-20 | 2020-11-20 | Positioning structure for axle measuring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213714132U true CN213714132U (en) | 2021-07-16 |
Family
ID=76806904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022704688.5U Expired - Fee Related CN213714132U (en) | 2020-11-20 | 2020-11-20 | Positioning structure for axle measuring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213714132U (en) |
-
2020
- 2020-11-20 CN CN202022704688.5U patent/CN213714132U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210716 |