CN110926674B - Special clamp for automatic detection of bearing ring channel stress - Google Patents
Special clamp for automatic detection of bearing ring channel stress Download PDFInfo
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- CN110926674B CN110926674B CN201911221485.6A CN201911221485A CN110926674B CN 110926674 B CN110926674 B CN 110926674B CN 201911221485 A CN201911221485 A CN 201911221485A CN 110926674 B CN110926674 B CN 110926674B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0009—Force sensors associated with a bearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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Abstract
A special clamp for automatic detection of bearing ring channel stress relates to the technical field of automatic detection of bearing ring channel stress. The device aims to solve the problems that the existing device can not detect the channel stress of the bearing ring aiming at the bearing with the diameter larger than phi 150mm, can not automatically detect the bearing ring between phi 150mm and phi 260mm, and has lower detection efficiency. Two ends of the rack bottom plate are respectively provided with a rack side plate, the lower surface of the rack bottom plate is provided with an adjustable support unit, one end of the clamping unit is hinged with one rack side plate, the other end of the clamping unit is hinged with the other rack side plate, and a rotary transmission unit is arranged at the joint of the clamping unit and the rack side plate. The invention is suitable for clamping the bearing and automatically detecting the stress of the bearing ring channel.
Description
Technical Field
The invention relates to the technical field of automatic detection of bearing ring channel stress, in particular to a special clamp for automatic detection of the bearing ring channel stress.
Background
The existing stress detector can only realize the automatic detection of the stress of the bearing ring channel with the outer diameter of less than 150mm at present, and can be placed on the detector for clamping only by cutting off the sampling. Therefore, the detection cost is increased due to the damage to the detection piece.
In summary, the conventional device cannot detect the stress of the bearing ring channel for the bearing with the diameter larger than phi 150mm, and cannot automatically detect the bearing ring with the diameter between phi 150mm and phi 260mm, so that the detection efficiency is low.
Disclosure of Invention
The invention provides a special clamp for automatically detecting the channel stress of a bearing ring, aiming at solving the problems that the existing device can not detect the channel stress of the bearing ring aiming at the bearing with the diameter larger than phi 150mm, can not automatically detect the bearing ring between phi 150mm and phi 260mm and has lower detection efficiency.
The invention relates to a special clamp for automatically detecting the stress of a bearing ring channel, which comprises a clamping unit, an adjustable support unit, a rotary transmission unit, a hydraulic unit, two rack side plates and a rack bottom plate, wherein the clamping unit is arranged on the adjustable support unit;
two ends of the rack bottom plate are respectively provided with a rack side plate, the lower surface of the rack bottom plate is provided with an adjustable support unit, one end of the clamping unit is hinged with one rack side plate, the other end of the clamping unit is hinged with the other rack side plate, a rotary transmission unit is arranged at the joint of the clamping unit and the rack side plate, and the rotary transmission unit is connected with the output end of the hydraulic unit;
furthermore, the clamping unit comprises a bearing supporting plate, a left connecting plate, a supporting plate, a V-shaped frame bottom plate, a right connecting plate, a V-shaped frame, a movable pressing plate, a locking nut, a rotary handle, a guide plate, a locking shaft, a check ring and a check block;
the bottom of the V-shaped frame is provided with a cavity, two outer side surfaces of the V-shaped frame are respectively provided with a bearing supporting plate, the middle part of the outer side of one bearing supporting plate is fixedly connected with one end of a left connecting plate, the middle part of the outer side of the other bearing supporting plate is fixedly connected with one end of a right connecting plate, the other ends of the left connecting plate and the right connecting plate are respectively fixedly connected with one end of a supporting plate, the bottom end of the V-shaped frame is provided with a V-shaped frame bottom plate, the inner side of the V-shaped frame is embedded with a movable pressing plate, the bottom surface of the inner part of the cavity of the V-shaped frame is provided with a guide plate, the middle part of the upper surface of the guide plate is provided with a stop block, the middle part of the side surface of the stop block is provided with a check ring, one end;
furthermore, the left connecting plate and the right connecting plate are arranged on the same horizontal line;
furthermore, the rotary transmission unit comprises a transmission gear, two rotary shafts, a rotary connecting piece and a transmission rack;
the two rotating shafts are T-shaped shafts, the small end face end of one rotating shaft sequentially penetrates through a center hole of the transmission gear, a supporting plate and a rack side plate, the end face of the transmission gear is fixedly connected with the side face of the supporting plate, the transmission gear is meshed with the transmission rack, one end of the transmission rack is fixedly connected with the output end of the hydraulic unit, and the small end face end of the other rotating shaft sequentially penetrates through the rotating connecting piece, the other supporting plate and the other rack side plate;
furthermore, the rotary transmission unit also comprises a limiting shaft; two limiting shafts are arranged on the inner side of the side plate of the frame;
furthermore, the two limiting shafts are arranged in a staggered manner;
furthermore, the hydraulic unit comprises an oil cylinder, a regulating valve, an overflow valve, an oil filter, an oil pump, an electromagnetic directional valve and a directional switch;
an oil inlet of an oil cylinder is connected with one end of a regulating valve through an oil pipe, the other end of the regulating valve is connected with an oil outlet of an electromagnetic directional valve through an oil pipe, an oil inlet of the electromagnetic directional valve is fixedly connected with an output end of an oil pump and an input end of an overflow valve respectively through oil pipes, an output end of the overflow valve is connected with an oil tank, an input end of the oil pump is connected with the oil tank through an oil pipe and an oil filter, an oil outlet of the oil cylinder is connected with an oil outlet of the electromagnetic directional valve through an oil pipe, an output end of the oil cylinder is fixedly connected with one end of a transmission rack, two reversing switches are arranged on the side;
furthermore, the adjustable support unit comprises a pressing handle, a lifting adjusting nut, a threaded upright post and a magnetic base;
the lower surface of the bottom plate of the rack is uniformly provided with two through holes along the axis direction, a threaded upright column is arranged in each through hole, the bottom end of each threaded upright column penetrates through a lifting adjusting nut and is fixedly connected with the upper surface of the magnetic base, the lifting adjusting nut is in threaded connection with the threaded upright column, and the top end of each threaded upright column is provided with a pressing handle;
further, an operator adjusts the horizontal position of the automatic detection mechanism according to the size of the workpiece, adjusts a rotary handle on the clamping unit, drives the movable pressing plate and the guide plate to slide forwards along a hole below the stop block, adjusts the width of the inside of the V-shaped frame, places the workpiece into the clamping unit, fixes the workpiece to be detected through locking of the rotary handle, and moves the original equipment detection head to the central position of a channel to be detected of the workpiece. The switch is started, the oil pump and the electromagnetic directional valve are started, oil is supplied to the oil cylinder, the piston of the oil cylinder extends out, the transmission rack is driven to move transversely and is meshed with the transmission gear, the clamping unit is driven to rotate by an included angle of 30 degrees, the hydraulic part pushes the rotary transmission part to drive the workpiece to swing, and the stress detector enters a detection state. And stopping when the workpiece clamp swings to a vertical position, and finishing detection.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the invention overcomes the defects of the prior art, and adopts the rotary handle on the adjusting and clamping unit to drive the V-shaped pressing plate and the guide plate to slide forwards along the hole below the stop block, so as to adjust the width of the inner bottom surface of the V-shaped frame, thereby being suitable for the bearing with the outer diameter larger than phi 150mm to detect the channel stress of the bearing ring.
The hydraulic transmission unit is adopted, the electromagnetic reversing valve is arranged in the hydraulic transmission unit, oil supply and oil discharge of the oil cylinder are controlled through the two reversing switches, circumferential swing of the clamping unit is achieved, the clamping unit is matched with the detection probe, automatic detection of the bearing ring with the diameter of 150 mm-260 mm is achieved, and detection efficiency is improved.
Thirdly, the invention has simple operation and wide application range.
Drawings
FIG. 1 is a front view of a special fixture for automatically detecting the stress of a bearing ring channel according to the present invention;
FIG. 2 is a side view of the clamp for automatically detecting the stress of the bearing ring channel according to the present invention;
FIG. 3 is a front view of a clamping unit in the clamp for automatically detecting the stress of the bearing ring channel according to the invention;
FIG. 4 is a side view of a clamping unit in the special fixture for automatically detecting the stress of the bearing ring channel according to the invention;
FIG. 5 is a perspective view of an adjustable supporting unit in the special fixture for automatically detecting the stress of the bearing ring channel according to the present invention;
FIG. 6 is a front view of a rotary transmission unit in the clamp for automatically detecting the stress of the bearing ring channel according to the present invention;
FIG. 7 is a side view of a rotary transmission unit in the clamp for automatically detecting the stress of the bearing ring channel according to the invention;
FIG. 8 is a schematic rotation diagram of the clamping unit in a working state of the clamp special for automatic detection of stress of a bearing ring channel according to the present invention;
FIG. 9 is a schematic diagram of the oil circuit connection of the hydraulic unit in the clamp special for automatic detection of the stress of the bearing ring channel.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 9, and the clamp special for automatically detecting the stress of the bearing ring channel in the embodiment includes a clamping unit 1, an adjustable support unit 2, a rotary transmission unit 3, a hydraulic unit 4, two frame side plates 5 and a frame bottom plate 6;
two ends of a rack bottom plate 6 are respectively provided with a rack side plate 5, the lower surface of the rack bottom plate 6 is provided with an adjustable support unit 2, one end of a clamping unit 1 is hinged with one rack side plate 5, the other end of the clamping unit 1 is hinged with the other rack side plate 5, a rotary transmission unit 3 is arranged at the joint of the clamping unit 1 and the rack side plate 5, and the rotary transmission unit 3 is connected with the output end of a hydraulic unit 4;
according to the specific embodiment, an operator adjusts the horizontal position of the automatic detection mechanism according to the size of a workpiece, adjusts the rotary handle 1-9 on the clamping unit 1, drives the movable pressing plate 1-7 and the guide plate 1-10 to slide forwards along the hole below the stop block 1-13, adjusts the width of the inner bottom surface of the V-shaped frame 1-6, puts the workpiece into the clamping unit 1, locks the workpiece through the rotary handle 1-9, fixes the workpiece to be detected, and moves the original equipment detection head to the central position of the workpiece channel to be detected. An oil pump 4-5 and an electromagnetic directional valve 4-6 are started, oil is supplied to an oil cylinder 4-1, a piston in the oil cylinder 4-1 is deep, a transmission rack 3-5 is driven to move transversely and is meshed with a transmission gear 3-1, a clamping unit 1 is driven to rotate by an included angle of 30 degrees, a hydraulic part pushes a rotary transmission part to drive a workpiece to swing, and a stress detector enters a detection state. And stopping when the workpiece clamp swings to a vertical position, and finishing detection.
The second embodiment is as follows: the embodiment is described with reference to fig. 3 and 4, and the embodiment is a further limitation of the fixture described in the first embodiment, and the fixture described in the first embodiment is a fixture for automatically detecting the channel stress of a bearing ring, and the clamping unit 1 includes a bearing support plate 1-1, a left connecting plate 1-2, a support plate 1-3, a V-shaped frame bottom plate 1-4, a right connecting plate 1-5, a V-shaped frame 1-6, a movable pressure plate 1-7, a locking nut 1-8, a rotary handle 1-9, a guide plate 1-10, a locking shaft 1-11, a retainer ring 1-12, and a stopper 1-13;
the bottom of the V-shaped frame 1-6 is provided with a cavity, two outer side surfaces of the V-shaped frame 1-6 are respectively provided with a bearing supporting plate 1-1, the middle part of the outer side of one bearing supporting plate 1-1 is fixedly connected with one end of a left connecting plate 1-2, the middle part of the outer side of the other bearing supporting plate 1-1 is fixedly connected with one end of a right connecting plate 1-5, the other ends of the left connecting plate 1-2 and the right connecting plate 1-5 are respectively fixedly connected with one end of a supporting plate 1-3, the bottom end of the V-shaped frame 1-6 is provided with a V-shaped frame bottom plate 1-4, the inner side of the V-shaped frame 1-6 is embedded with a movable pressing plate 1-7, the bottom surface inside the cavity of the V-shaped frame 1-6 is provided with a guide plate 1-10, the middle part of the upper surface of the guide plate 1, the middle part of the side surface of the stop block 1-13 is provided with a check ring 1-12, one end of a locking shaft 1-11 is fixedly connected with a rotary handle 1-9, and the other end of the locking shaft 1-11 sequentially penetrates through the outer wall of the V-shaped frame 1-6, a movable pressing plate 1-7 and a locking nut 1-8 to be fixedly connected with the other side surface of the stop block 1-13;
in the specific embodiment, the rotary handle on the adjusting and clamping unit is adopted to drive the stop block to slide on the guide plate, so that the width of the inner bottom surface of the V-shaped frame is adjusted, and the bearing ring groove stress detection device is suitable for bearings with the outer diameter larger than phi 150mm to detect the groove stress of the bearing ring.
The third concrete implementation mode: the present embodiment will be described with reference to fig. 3, which is a further limitation of the clamp according to the second embodiment, and in the clamp according to the present embodiment, the left connecting plate 1-2 and the right connecting plate 1-5 are disposed on the same horizontal line;
in the embodiment, the left connecting plate 1-2 and the right connecting plate 1-5 are arranged on the same horizontal line, so that two ends of the clamping unit 1 are respectively hinged with the side plates of the frame, and the two hinged points are kept on the same horizontal line.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 3 and 4, and the present embodiment is a further limitation of the fixture according to the first embodiment, and the fixture for automatically detecting a channel stress of a bearing ring according to the present embodiment includes a rotary transmission unit 3 including a transmission gear 3-1, two rotary shafts 3-2, a rotary connecting member 3-3, and a transmission rack 3-5;
the two rotating shafts 3-2 are both T-shaped shafts, the small end face end of one rotating shaft 3-2 sequentially penetrates through the central opening of the transmission gear 3-1, one supporting plate 1-3 and one rack side plate 5, the end face of the transmission gear 3-5 is fixedly connected with the side face of the supporting plate 1-3, the transmission gear 3-1 is meshed with the transmission rack 3-5, one end of the transmission rack 3-5 is fixedly connected with the output end of the hydraulic unit 4, and the small end face end of the other rotating shaft 3-2 sequentially penetrates through the rotating connecting piece 3-3, the other supporting plate 1-3 and the other rack side plate 5.
The fifth concrete implementation mode: the present embodiment is described with reference to fig. 5, fig. 6, and fig. 7, and the present embodiment further defines the fixture according to the fourth embodiment, and the fixture for automatically detecting a stress in a bearing ring groove according to the present embodiment further includes a limiting shaft 3-4; two limiting shafts 3-4 are arranged on the inner side of the side plate 5 of the frame;
in the embodiment, the rotary transmission unit 3 further comprises a limiting shaft 3-4; two limiting shafts 3-4 are arranged on the inner side of the side plate 5 of the rack, so that the clamping unit can only rotate 30 degrees along the circumference to be controlled, and the limiting effect is achieved.
The sixth specific implementation mode: the present embodiment will be described with reference to fig. 5, 6 and 7, and the present embodiment is a further limitation of the jig according to the fifth embodiment, and in the jig for automatically detecting a bearing ring groove stress according to the present embodiment, the two stopper shafts 3 to 4 are disposed in a staggered manner.
The seventh embodiment: the present embodiment is described with reference to fig. 9, and is a further limitation of the fixture according to the first embodiment, and the hydraulic unit 4 includes an oil cylinder 4-1, a regulating valve 4-2, a relief valve 4-3, an oil filter 4-4, an oil pump 4-5, an electromagnetic directional valve 4-6, and a directional switch 4-7;
an oil inlet of the oil cylinder 4-1 is connected with one end of the regulating valve 4-2 through an oil pipe, the other end of the regulating valve 4-2 is connected with a first oil outlet of the electromagnetic directional valve 4-6 through an oil pipe, a first oil inlet of the electromagnetic directional valve 4-6 is respectively and fixedly connected with an output end of the oil pump 4-5 and an input end of the overflow valve 4-3 through oil pipes, an output end of the overflow valve is connected with an oil tank, an input end of the oil pump 4-5 is connected with an oil filter 4-4 through an oil pipe, the oil outlet of the oil cylinder 4-1 is connected with the second oil outlet of the electromagnetic directional valve 4-6 through an oil pipe, the output end of the oil cylinder 4-1 is fixedly connected with one end of the transmission rack 3-5, two directional switches 4-7 are arranged on the side surface of the side plate of the rack, and the directional switches 4-7 are connected with the electromagnetic directional valve 4-6 through a lead;
in the specific embodiment, a hydraulic transmission 4 unit is adopted, an electromagnetic directional valve 4-6 is arranged in the hydraulic transmission 4 unit, oil supply and oil discharge of an oil cylinder 4-1 are controlled through two directional switches 4-7, circumferential swing of a clamping unit is realized, the clamping unit is matched with a detection probe, automatic detection of a bearing ring between phi 150mm and phi 260mm is realized, and detection efficiency is improved.
The specific implementation mode is eight: the present embodiment is described with reference to fig. 9, and the present embodiment is a further limitation of the clamp according to the first embodiment, and the clamp according to the present embodiment is a clamp for automatically detecting a stress of a bearing ring channel, wherein the adjustable support unit 2 includes a pressing handle 2-1, a lifting adjusting nut 2-2, a threaded column 2-3, and a magnetic base 2-4;
the lower surface of the bottom plate 6 of the rack is uniformly provided with two through holes along the axial direction, the two through holes are internally provided with a threaded upright post 2-3 respectively, the bottom end of the threaded upright post 2-3 passes through the lifting adjusting nut 2-2 and is fixedly connected with the upper surface of the magnetic base 2-4, the lifting adjusting nut 2-2 is in threaded connection with the threaded upright post 2-3, and the top end of the threaded upright post 2-3 is provided with a pressing handle 2-1;
this embodiment adopts through rotatory lift adjusting nut 2-2, realizes adjusting the height of whole anchor clamps to utilize two magnetic base to fix on the operation panel, magnetic base suction is great, and general operation panel is iron, can be through the effectual absorption of magnetic base on the operation panel, stability is higher, the reliability is high.
Principle of operation
An operator adjusts the horizontal position of the automatic detection mechanism according to the size of a workpiece, adjusts a rotary handle 1-9 on the clamping unit 1, drives a stop block 1-13 to slide on a guide plate 1-10, adjusts the width of the inner bottom surface of the V-shaped frame 1-6, puts the workpiece into the clamping unit 1, locks the workpiece through the rotary handle 1-9, fixes the workpiece to be detected, and moves the original equipment detection head to the central position of a channel to be detected of the workpiece. The reversing switch 4-7 and the oil pump 4-5 are started, oil is supplied to the oil cylinder 4-1, the piston in the oil cylinder 4-1 is deep, the transmission rack 3-5 is driven to move transversely and is meshed with the transmission gear 3-1, the clamping unit 1 is driven to rotate by an included angle of 30 degrees, the hydraulic part pushes the rotary transmission part to drive the workpiece to swing, and the stress detector enters a detection state. And stopping when the workpiece clamp swings to a vertical position, and finishing detection.
Claims (5)
1. The utility model provides a bearing ring channel stress automated inspection special fixture which characterized in that: the clamp comprises a clamping unit (1), an adjustable support unit (2), a rotary transmission unit (3), a hydraulic unit (4), two rack side plates (5) and a rack bottom plate (6);
two ends of a rack bottom plate (6) are respectively provided with a rack side plate (5), the lower surface of the rack bottom plate (6) is provided with an adjustable support unit (2), one end of a clamping unit (1) is hinged with one rack side plate (5), the other end of the clamping unit (1) is hinged with the other rack side plate (5), a rotary transmission unit (3) is arranged at the joint of the clamping unit (1) and the rack side plate (5), and the rotary transmission unit (3) is connected with the output end of a hydraulic unit (4); the clamping unit (1) comprises a bearing supporting plate (1-1), a left connecting plate (1-2), a supporting plate (1-3), a V-shaped frame bottom plate (1-4), a right connecting plate (1-5), a V-shaped frame (1-6), a movable pressing plate (1-7), a locking nut (1-8), a rotary handle (1-9), a guide plate (1-10), a locking shaft (1-11), a check ring (1-12) and a check block (1-13);
the bottom of the V-shaped frame (1-6) is provided with a cavity, two outer side surfaces of the V-shaped frame (1-6) are respectively provided with a bearing supporting plate (1-1), the middle part of the outer side of one bearing supporting plate (1-1) is fixedly connected with one end of a left connecting plate (1-2), the middle part of the outer side of the other bearing supporting plate (1-1) is fixedly connected with one end of a right connecting plate (1-5), the other ends of the left connecting plate (1-2) and the right connecting plate (1-5) are respectively fixedly connected with one end of a supporting plate (1-3), the bottom end of the V-shaped frame (1-6) is provided with a V-shaped frame bottom plate (1-4), the inner side of the V-shaped frame (1-6) is embedded with a movable pressing plate (1-7), the bottom surface inside the cavity of the V-shaped frame (1-6, a check block (1-13) is arranged in the middle of the upper surface of the guide plate (1-10), the check block (1-13) is connected with the guide plate (1-10) in a sliding manner, a check ring (1-12) is arranged in the middle of the side surface of the check block (1-13), one end of a locking shaft (1-11) is fixedly connected with a rotary handle (1-9), and the other end of the locking shaft (1-11) sequentially penetrates through the outer wall of the V-shaped frame (1-6), a movable pressing plate (1-7) and a locking nut (1-8) to be fixedly connected with the other side surface of the check block (1-13);
the hydraulic unit (4) comprises an oil cylinder (4-1), a regulating valve (4-2), an overflow valve (4-3), an oil filter (4-4), an oil pump (4-5), an electromagnetic directional valve (4-6) and a directional switch (4-7);
an oil inlet of an oil cylinder (4-1) is connected with one end of a regulating valve (4-2) through an oil pipe, the other end of the regulating valve (4-2) is connected with a first oil outlet of an electromagnetic directional valve (4-6) through an oil pipe, a first oil inlet of the electromagnetic directional valve (4-6) is respectively and fixedly connected with an output end of an oil pump (4-5) and an input end of an overflow valve (4-3) through oil pipes, an output end of the overflow valve (4-3) is connected with an oil tank, an input end of the oil pump (4-5) is connected with the oil tank through an oil pipe and an oil filter (4-4), an oil outlet of the oil cylinder (4-1) is connected with a second oil outlet of the electromagnetic directional valve (4-6) through an oil pipe, an output end of the oil cylinder (4-1) is, two reversing switches (4-7) are arranged on the side surface of the side plate of the rack, and the reversing switches (4-7) are connected with electromagnetic reversing valves (4-6) through leads;
the rotary transmission unit (3) comprises a transmission gear (3-1), two rotary shafts (3-2), a rotary connecting piece (3-3) and a transmission rack (3-5);
the two rotating shafts (3-2) are both T-shaped shafts, the small end face end of one rotating shaft (3-2) sequentially penetrates through the central opening of the transmission gear (3-1), one supporting plate (1-3) and one rack side plate (5), the end face of the transmission gear (3-1) is fixedly connected with the side face of the supporting plate (1-3), the transmission gear (3-1) is meshed with the transmission rack (3-5), one end of the transmission rack (3-5) is fixedly connected with the output end of the hydraulic unit (4), and the small end face end of the other rotating shaft (3-2) sequentially penetrates through the rotating connecting piece (3-3), the other supporting plate (1-3) and the other rack side plate (5).
2. The special clamp for automatically detecting the stress of the bearing ring channel according to claim 1, wherein the special clamp comprises: the left connecting plate (1-2) and the right connecting plate (1-5) are arranged on the same horizontal line.
3. The special clamp for automatically detecting the stress of the bearing ring channel according to claim 1, wherein the special clamp comprises: the rotary transmission unit (3) also comprises a limiting shaft (3-4); two limiting shafts (3-4) are arranged on the inner side of the side plate (5) of the machine frame.
4. The special clamp for automatically detecting the stress of the bearing ring channel according to claim 3, wherein the special clamp comprises: the two limiting shafts (3-4) are arranged in a staggered manner.
5. The special clamp for automatically detecting the stress of the bearing ring channel according to claim 1, wherein the special clamp comprises: the adjustable support unit (2) comprises a pressing handle (2-1), a lifting adjusting nut (2-2), a threaded upright post (2-3) and a magnetic base (2-4);
two through holes are uniformly formed in the lower surface of the rack bottom plate (6) along the axis direction, a threaded upright post (2-3) is arranged in each through hole, the bottom end of each threaded upright post (2-3) penetrates through the lifting adjusting nut (2-2) and is fixedly connected with the upper surface of the magnetic base (2-4), the lifting adjusting nut (2-2) is in threaded connection with the threaded upright post (2-3), and a pressing handle (2-1) is arranged at the top end of each threaded upright post (2-3).
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