CN220871656U - Coaxiality detection mechanism for positioning shaft - Google Patents
Coaxiality detection mechanism for positioning shaft Download PDFInfo
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- CN220871656U CN220871656U CN202322741334.1U CN202322741334U CN220871656U CN 220871656 U CN220871656 U CN 220871656U CN 202322741334 U CN202322741334 U CN 202322741334U CN 220871656 U CN220871656 U CN 220871656U
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- 238000001514 detection method Methods 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 238000005452 bending Methods 0.000 claims description 3
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- 230000006872 improvement Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a positioning shaft coaxiality detection mechanism, which comprises a bottom plate and is characterized in that: the utility model relates to a detection device for detecting the position of a bottom plate, which comprises a bottom plate, a mounting plate, a positioning assembly, a moving plate, a positioning assembly and a positioning assembly, wherein the mounting plate is fixedly connected to one side of the outer wall of the top of the bottom plate, the rotating plate is rotatably connected to the middle of the mounting plate, the positioning assembly is arranged in the middle of the rotating plate and comprises a screw rod which is rotatably connected to the outer wall of one side of the rotating plate in a centering way, the screw rod is sleeved with threads of the screw rod, the moving plate is rotatably connected with two connecting rods, two symmetrically arranged limiting grooves are formed in the middle of the rotating plate, the two limiting grooves are slidably connected with the positioning plate, the two connecting rods are rotatably connected with the two positioning plates respectively, and the detection assembly is arranged at one end of the bottom plate.
Description
Technical Field
The utility model relates to the technical field of coaxiality detection, in particular to a positioning shaft coaxiality detection mechanism.
Background
The coaxiality is a positioning tolerance, the theoretical correct position is the reference axis, and as different points of the measured axis to the reference axis possibly appear in all directions in space, the tolerance zone is a cylinder taking the reference axis as the axis, so that the positioning axis can be conveniently and normally used later, and the coaxiality of the positioning axis needs to be detected before leaving a factory.
Through searching, the utility model of Chinese patent publication No. CN217504638U discloses a gear shaft coaxiality detection device, which comprises a base, a first fixed plate and a second fixed plate are respectively fixedly arranged at the left end and the right end of the upper surface of the base, two guide rods are fixedly arranged between the first fixed plate and the second fixed plate, the two guide rods are correspondingly and fixedly arranged on the fixed plates left and right, a clamping device is arranged on the guide rods, a rotating device and a testing device are respectively arranged on the clamping device, rectangular grooves are respectively formed in the front side and the rear side of the upper surface of the base, a sliding device is arranged in the rectangular grooves, and a telescopic device is arranged on the sliding device and can place a gear shaft to be tested in the middle arc groove of the two arc plates.
The device is that the workpiece is placed in the arc-shaped groove and then the height of the workpiece is adjusted, so that the center points of the left side and the right side of the workpiece correspond to the left side of the first clamping head and the right side axis of the second clamping head, the adjustment process is complicated, the complete correspondence cannot be achieved, and an improvement space exists.
Disclosure of Invention
The utility model aims to provide a positioning shaft coaxiality detection mechanism for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a location axle axiality detection mechanism, includes bottom plate, its characterized in that: the utility model discloses a locating device for the motor vehicle, including bottom plate top outer wall one side fixedly connected with mounting panel, rotate in the middle of the mounting panel and be connected with the commentaries on classics board, install locating component in the middle of the commentaries on classics board, locating component is including the screw rod of commentaries on classics board one side outer wall centering rotation connection, the screw rod thread bush is equipped with the movable plate, the movable plate rotates and is connected with two connecting rods, set up the spacing groove that two symmetries set up in the middle of the commentaries on classics board, two equal sliding connection of spacing groove has the locating plate, two the connecting rod rotates in two locating plate respectively and connects.
Can fix the locating shaft fast to make locating shaft and rotating plate axial lead keep unanimous state, thereby make subsequent detection work go on convenient and fast more, be favorable to improving work efficiency, place the locating shaft that will wait to detect between two locating plates, drive the screw rod through the handle and rotate in the middle of rotating the board, the movable plate receives the spacing unable rotation of a plurality of connecting rods, the screw rod just can drive the movable plate and keep away from the rotating plate this moment, the connecting rod will be driven gradually towards the horizontal direction change, two connecting rods drive two locating plates respectively and are close to each other along the spacing groove, locating shaft one end will be limited in rotating plate centre position.
As a further preferable mode of the technical scheme, the detection assembly is arranged at one end of the bottom plate and comprises a first sliding groove formed in one end of the outer wall of the top of the bottom plate, a vertical rod is connected in the first sliding groove in a sliding mode, a locking bolt is connected with the outer wall of one end of the vertical rod in a threaded mode, and the locking bolt penetrates through the sliding groove and extends outwards.
As a further preferable mode of the technical scheme, a second sliding groove is formed in the vertical rod, a cross rod is connected in the second sliding groove in a sliding mode, one end of the cross rod is connected with another locking bolt in a threaded mode, the other locking bolt penetrates through the second sliding groove and extends outwards, and a detection meter is fixedly arranged at the other end of the cross rod.
The detection table can adapt to detection work of positioning shafts with different positions and different specifications, the locking bolt at the bottom of the reverse rotation is prevented from being in contact with the bottom plate, the vertical rod can slide at will in the middle of the first sliding groove, the different positions of the positioning shafts can be detected by the detection table, the locking bolt above the reverse rotation is prevented from being in contact with the vertical rod, the cross rod can also move at will in the middle of the second sliding groove, and the positioning shafts with different specifications can be detected.
As a further preferable mode of the technical scheme, the outer wall of one side of the rotating plate is coaxially fixed with a toothed ring, the outer wall of the top of the bottom plate is fixedly provided with a motor, and the output end of the motor is coaxially fixed with a gear meshed with the toothed ring.
The motor is started, the motor drives the gear to rotate, the gear can drive the toothed ring meshed with the gear to rotate, and the toothed ring drives the rotating plate and the positioning shaft on one side of the rotating plate to rotate in the middle of the mounting plate, so that detection work can be completed.
As a further preferable mode of the technical scheme, the two positioning plates are in a bending state and are symmetrically arranged.
As a further preferred aspect of the present invention, the lead angle of the screw flight is smaller than the equivalent friction angle.
The utility model provides a locating shaft coaxiality detection mechanism, which has the following beneficial effects:
(1) According to the utility model, the positioning assembly is arranged, so that the positioning shaft can be quickly fixed, the positioning shaft and the axis of the rotating plate are kept in a consistent state, the subsequent detection work is more convenient and quick, the improvement of the work efficiency is facilitated, the positioning shaft to be detected is placed between the two positioning plates, the screw rod is driven to rotate in the middle of the rotating plate through the handle, the moving plate is limited by the plurality of connecting rods and cannot rotate, at the moment, the screw rod can drive the moving plate to be far away from the rotating plate, the connecting rods are driven to gradually change towards the horizontal direction, the two connecting rods respectively drive the two positioning plates to be mutually close along the limiting grooves, and one end of the positioning shaft is limited at the middle position of the rotating plate.
(2) According to the utility model, the detection assembly is arranged, so that the detection meter can adapt to detection work of positioning shafts with different positions and different specifications, the locking bolt at the bottom is reversely rotated to enable the positioning shafts not to be in contact with the bottom plate, at the moment, the vertical rods can freely slide in the first sliding groove, different positions of the positioning shafts can be detected by the detection meter, the locking bolt above the positioning shafts is reversely rotated to enable the positioning shafts not to be in contact with the vertical rods, at the moment, the cross rod can also freely move in the second sliding groove, and the positioning shafts with different specifications can be detected.
Drawings
FIG. 1 is a schematic view of a first view angle structure of the present utility model;
FIG. 2 is a schematic diagram of an overall second view structure according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;
In the figure: 1. a bottom plate; 2. a mounting plate; 3. a rotating plate; 4. a motor; 5. a gear; 6. a toothed ring; 7. a positioning assembly; 8. a detection assembly; 701. a limit groove; 702. a positioning plate; 703. a connecting rod; 704. a screw; 705. a moving plate; 801. a first chute; 802. a vertical rod; 803. a locking bolt; 804. a second chute; 805. a cross bar.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The utility model provides the technical scheme that: as shown in fig. 1, 2 and 3, in this embodiment, a positioning shaft coaxiality detecting mechanism includes a base plate 1, and is characterized in that: the utility model provides a bottom plate 1 top outer wall one side fixedly connected with mounting panel 2, rotate in the middle of the mounting panel 2 and be connected with revolving plate 3, install locating component 7 in the middle of the revolving plate 3, locating component 7 is including the screw rod 704 of revolving plate 3 one side outer wall centering rotation connection, screw rod 704 thread bush is equipped with movable plate 705, movable plate 705 rotates and is connected with two connecting rods 703, the spacing groove 701 of two symmetry settings has been seted up in the middle of the revolving plate 3, two equal sliding connection of spacing groove 701 has locating plate 702, two connecting rods 703 are respectively in two locating plate 702 swivelling joint, two locating plates 702 are the bending state, and mutual symmetry sets up.
The positioning shaft to be detected is placed between the two positioning plates 702, the screw rod 704 is driven to rotate in the middle of the rotating plate 3 through the handle, the moving plate 705 is limited by the connecting rods 703 and cannot rotate, at the moment, the screw rod 704 can drive the moving plate 705 to be far away from the rotating plate 3, the connecting rods 703 are driven to gradually change towards the horizontal direction, the two connecting rods 703 respectively drive the two positioning plates 702 to be close to each other along the limiting groove 701, and one end of the positioning shaft is limited at the middle position of the rotating plate 3.
As shown in fig. 2 and fig. 4, a detection component 8 is installed at one end of the bottom plate 1, the detection component 8 includes a first chute 801 formed at one end of an outer wall of a top of the bottom plate 1, a vertical rod 802 is slidably connected in the first chute 801, a locking bolt 803 is threadably connected to an outer wall of one end of the vertical rod 802, the locking bolt 803 penetrates through the first chute 801 and extends outwards, a second chute 804 is formed in the vertical rod 802, a cross rod 805 is slidably connected in the second chute 804, one end of the cross rod 805 is threadably connected with another locking bolt 803, and another locking bolt 803 penetrates through the second chute 804 and extends outwards, and a detection meter is fixedly arranged at the other end of the cross rod 805.
The detection table can adapt to detection work of positioning shafts with different positions and different specifications, the locking bolt 803 at the bottom is reversely rotated to enable the positioning shafts not to be in contact with the bottom plate 1, at the moment, the vertical rod 802 can slide in the first sliding chute 801 at will, the different positions of the positioning shafts can be detected by the detection table, the locking bolt 803 above the reverse rotation can not be in contact with the vertical rod 802 any more, at the moment, the transverse rod 805 can also move in the second sliding chute 804 at will, and the positioning shafts with different specifications can be detected.
As shown in fig. 1 and 3, a toothed ring 6 is coaxially fixed on the outer wall of one side of the rotating plate 3, a motor 4 is fixedly installed on the outer wall of the top of the bottom plate 1, and a gear 5 meshed with the toothed ring 6 is coaxially fixed at the output end of the motor 4.
The motor 4 drives the gear 5 to rotate, the gear 5 can drive the toothed ring 6 meshed with the gear 5 to rotate, and the toothed ring 6 drives the rotating plate 3 and the positioning shaft on one side of the rotating plate to rotate in the middle of the mounting plate 2, so that detection work can be completed.
As shown in fig. 1 and 3, the lead angle of the screw 704 threads is less than the equivalent friction angle, enabling self-locking capability.
The utility model provides a coaxiality detection mechanism for a positioning shaft, which has the following specific working principle:
When the device works, the positioning shaft to be detected is placed between the two positioning plates 702, the screw 704 is driven to rotate in the middle of the rotating plate 3 through the handle, the moving plate 705 is limited by the plurality of connecting rods 703, the screw 704 can drive the moving plate 705 to be far away from the rotating plate 3 at the moment, the connecting rods 703 are driven to gradually change towards the horizontal direction, the two connecting rods 703 respectively drive the two positioning plates 702 to be close to each other along the limiting groove 701, one end of the positioning shaft is limited at the middle position of the rotating plate 3, then the position of the testing table is adjusted through the detecting component 8, so that the testing table can adapt to the detection work of the positioning shafts with different positions and different specifications, the locking bolts 803 at the bottom are reversely rotated to enable the testing table to be not contacted with the bottom plate 1, at the moment, the vertical rods 802 can slide at random in the middle of the first sliding grooves 801, the different positions of the positioning shafts can be detected by the testing table, at the moment, the locking bolts at the upper part of the reverse rotation can also be freely moved in the middle of the second sliding grooves 804, the positioning shafts with different specifications can be detected, finally, the motor 4 is started, the gear 5 is driven by the motor 803, the gear 5 is driven by the gear 5, the gear 3 can be meshed with the gear ring 6, and the gear 3 can be meshed with the gear ring is driven to rotate, and the gear ring is meshed with the gear 3, and the gear can be positioned by the gear ring is meshed with the gear 2.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a location axle axiality detection mechanism, includes bottom plate (1), its characterized in that: bottom plate (1) top outer wall one side fixedly connected with mounting panel (2), rotate in the middle of mounting panel (2) and be connected with revolving board (3), install locating component (7) in the middle of revolving board (3), locating component (7) are including revolving board (3) one side outer wall centering rotation screw rod (704) of connecting, screw rod (704) thread bush is equipped with movable plate (705), movable plate (705) rotate and are connected with two connecting rods (703), set up spacing groove (701) of two symmetry settings in the middle of revolving board (3), two spacing groove (701) equal sliding connection have locating plate (702), two connecting rod (703) rotate in two locating plate (702) respectively and are connected.
2. The positioning shaft coaxiality detection mechanism according to claim 1, wherein: the detection assembly is characterized in that the detection assembly (8) is arranged at one end of the bottom plate (1), the detection assembly (8) comprises a first chute (801) formed in one end of the outer wall of the top of the bottom plate (1), a vertical rod (802) is connected to the first chute (801) in a sliding mode, a locking bolt (803) is connected to one end of the outer wall of the vertical rod (802) in a threaded mode, and the locking bolt (803) penetrates through the first chute (801) and extends outwards.
3. The positioning shaft coaxiality detection mechanism according to claim 2, wherein: a second sliding groove (804) is formed in the vertical rod (802), a cross rod (805) is connected to the second sliding groove (804) in a sliding mode, one end of the cross rod (805) is connected with another locking bolt (803) in a threaded mode, the other locking bolt (803) penetrates through the second sliding groove (804) and extends outwards, and a detection meter is fixedly arranged at the other end of the cross rod (805).
4. The positioning shaft coaxiality detection mechanism according to claim 1, wherein: the gear ring (6) is coaxially fixed on the outer wall of one side of the rotating plate (3), the motor (4) is fixedly installed on the outer wall of the top of the bottom plate (1), and a gear (5) meshed with the gear ring (6) is coaxially fixed at the output end of the motor (4).
5. The positioning shaft coaxiality detection mechanism according to claim 1, wherein: the two positioning plates (702) are in a bending state and are symmetrically arranged.
6. The positioning shaft coaxiality detection mechanism according to claim 1, wherein: the lead angle of the screw (704) thread is smaller than the equivalent friction angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322741334.1U CN220871656U (en) | 2023-10-12 | 2023-10-12 | Coaxiality detection mechanism for positioning shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322741334.1U CN220871656U (en) | 2023-10-12 | 2023-10-12 | Coaxiality detection mechanism for positioning shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220871656U true CN220871656U (en) | 2024-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322741334.1U Active CN220871656U (en) | 2023-10-12 | 2023-10-12 | Coaxiality detection mechanism for positioning shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220871656U (en) |
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2023
- 2023-10-12 CN CN202322741334.1U patent/CN220871656U/en active Active
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