CN111102904A - Utensil is examined in special use of new energy automobile steering wheel machine casing aperture - Google Patents
Utensil is examined in special use of new energy automobile steering wheel machine casing aperture Download PDFInfo
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- CN111102904A CN111102904A CN201911362655.2A CN201911362655A CN111102904A CN 111102904 A CN111102904 A CN 111102904A CN 201911362655 A CN201911362655 A CN 201911362655A CN 111102904 A CN111102904 A CN 111102904A
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- 238000004140 cleaning Methods 0.000 claims description 23
- 230000005389 magnetism Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 51
- 230000008569 process Effects 0.000 description 43
- 239000012535 impurity Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
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Abstract
The invention belongs to the technical field of aperture detection, and particularly relates to a special detection tool for the aperture of a steering gear box of a new energy automobile; the device comprises a base, a first plate, a clamp, a second plate, a measuring unit and a display unit; the first board is arranged on the base; the clamp is arranged on a first plate; the second plate is arranged on the base and is parallel to the first plate, and a through hole is formed in the position, corresponding to the clamp, of the second plate; the measuring unit comprises a fixed plate, a cylinder, a sliding block, a support plate and a conical measuring head; the display unit comprises a first piston cylinder, a rubber tube, a buoy and a display panel; the precision of the hole diameter is detected through the matching of the base, the first plate, the clamp, the second plate, the measuring unit and the display unit, the condition that abrasion is generated on the conical measuring head due to direct carving of indexes is avoided, the using effect of the checking fixture is further improved, and the service life of the checking fixture is prolonged.
Description
Technical Field
The invention belongs to the technical field of aperture detection, and particularly relates to a special detection tool for the aperture of a steering gear box of a new energy automobile.
Background
The automobile steering device is also called a steering machine and a steering machine, and is the most important part in an automobile steering system; it has the following functions: increasing the force transmitted from the steering wheel to the steering transmission mechanism and changing the transmission direction of the force; common automobile steering gears are in a rack and pinion type and a worm crank pin type; a rack and pinion steering gear: it is one of the most common steering gears. The basic structure is a pair of pinion and rack gears which mesh with each other. When the steering shaft drives the pinion to rotate, the rack makes linear motion. Sometimes, the steering wheel can be steered by directly driving the tie rod by the rack. This is therefore the simplest steering gear. Its advantages are simple structure, low cost, flexible steering, small size and direct drive of tie rod. The automobile air conditioner is widely applied to automobiles; worm crankpin steering: the steering gear takes a worm as a driving part and takes a crank pin as a driven part. The worm has a trapezoidal thread, and a finger-shaped conical finger is supported by a bearing on a crank, which is formed integrally with the steering rocker shaft. When the steering wheel is turned, the worm and the conical finger pin embedded in the spiral groove of the worm rotate while doing circular arc motion around the steering rocker shaft, so that the crank and the steering vertical arm are driven to swing, and the steering wheel is deflected through the steering transmission mechanism. Such a steering gear is generally used for a truck having a large steering force.
The aperture on the automobile steering gear plays a vital role in the use process of the automobile steering gear, most of detection on the current market for the aperture of the steering gear is detected by a worker holding the detection tool, so that the precision of a detection result is seriously influenced, and the reliability of the detection result is low.
Disclosure of Invention
In order to make up for the defects of the prior art, the problem that the detection result is not high in reliability due to the fact that most of detection on the hole diameter of the steering gear is carried out by a worker holding a detection tool in the market at present, and the precision of the detection result is seriously influenced is solved; the invention provides a special checking fixture for the aperture of a steering gear box of a new energy automobile.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a special gauge for the aperture of a steering gear box shell of a new energy automobile, which comprises a base, a first plate, a clamp, a second plate, a measuring unit and a display unit, wherein the first plate is arranged on the base; the first plate is arranged on the base; the clamp is arranged on a first plate; the second plate is arranged on the base and is parallel to the first plate, and a through hole is formed in the position, corresponding to the clamp, of the second plate; the measuring unit comprises a fixed plate, a cylinder, a sliding block, a support plate and a conical measuring head; the fixed plate is arranged on the base close to the second plate, and a first sliding groove is formed in the fixed plate; the air cylinder is installed in the first sliding groove and fixedly connected with the end part, far away from the second plate, in the first sliding groove; the sliding plate is connected in the first sliding groove in a sliding mode and is fixedly connected with the output end of the air cylinder; the support plate is arranged on the sliding block; the conical measuring head is arranged on the support plate, and the axis of the conical measuring head is overlapped with the through hole and the clamp; the display unit comprises a first piston cylinder, a rubber tube, a buoy and a display panel; the first piston cylinder is arranged in the first sliding groove and fixedly connected with the end part, close to the second plate, in the first sliding groove, and the end part of the first piston cylinder is connected with the sliding block; the display panel is arranged on the base close to the fixed plate, and a second sliding groove is formed in the display panel; the buoy is connected in the second sliding groove in a sliding manner through a spring; one end of the rubber pipe is communicated with the interior of the first piston cylinder, and the other end of the rubber pipe penetrates into the second sliding groove and penetrates through the spring to be connected with the buoy; the precision of the aperture is detected through the matching of the base, the first plate, the clamp, the second plate, the measuring unit and the display unit; when the aperture size of the direction machine needs to be checked, the direction machine is clamped through the clamp firstly, the air cylinder is ventilated at the moment, the sliding block is pushed to slide in the first sliding groove, the conical measuring head is driven to pass through the through hole in the sliding process of the sliding block and is inserted into the aperture to be measured, the first piston cylinder is extruded in the sliding process of the sliding block, after the first piston cylinder is pressed, the internal air of the first piston cylinder is transferred to the rubber pipe, the rubber pipe is elastically deformed after being pressed, the buoy is pushed to slide in the second sliding groove, the surface of the display panel has a plurality of indexes, when the conical measuring head is inserted into the aperture and cannot be inserted continuously, the position of the buoy in the second sliding groove is stabilized, the index pointed by the buoy is the actual size of the aperture at the moment, the conical measuring head can be stably inserted into the aperture, and the conical measuring head is always kept balanced, and thereby avoid the direct condition of carving the wearing and tearing that produces of index on the toper measuring head, further improved the result of use of examining the utensil, prolonged the life of examining the utensil.
Preferably, a balancing unit is arranged at the through hole; the balance unit comprises a fixing ring, an annular air bag and a second piston cylinder; the fixing ring is sleeved on the through hole; the annular air bag is sleeved on the side wall of the through hole close to the clamp; the piston cylinders II are symmetrically arranged on the side wall of the through hole close to the clamp, and are communicated with the annular air bag through hoses; the force balance of the conical measuring head is strengthened through the matching of the fixing ring, the annular air bag and the second piston cylinder; when the device works, when the aperture size of the steering gear needs to be checked, the steering gear is clamped by the clamp, the air cylinder is ventilated to push the sliding block to slide in the first sliding groove, the conical measuring head is driven to pass through the through hole in the sliding process of the sliding block and is inserted into the aperture to be measured, the conical measuring head can extrude the annular air bag in the process of inserting the conical measuring head into the through hole, the internal gas of the annular air bag is transferred into the second piston cylinder through the hose after the annular air bag is pressed, so that the second piston cylinder extends out to be in contact with the side wall of the conical measuring head, the balance degree of the conical measuring head in the moving process is ensured, the conical measuring head can be inserted into the aperture under the motion track ensuring the balance, the measuring precision is ensured, the detection effect of the detection tool is improved, redundant process steps caused by the measurement error of the detection tool are avoided, and, bringing great convenience to users.
Preferably, a screw rod is arranged on the side wall of the support plate close to the second plate; a cleaning plate is arranged at the top end of the first piston cylinder; the cleaning plate is rotatably connected with a nut, and the nut is sleeved on the screw rod; an annular cleaning brush is fixed on the nut; the side wall of the conical measuring head is cleaned through the matching of the screw rod, the nut, the cleaning plate and the annular cleaning brush; the during operation, when the aperture size of direction machine is examined to needs, press from both sides the direction machine through anchor clamps earlier, make the cylinder ventilate this moment, promote the slider and slide in a spout, the slider can promote the lead screw to the direction that is close to anchor clamps at the slip in-process and remove, because the nut suit is on the lead screw, make the lead screw drive the nut in the in-process that removes and take place to rotate, thereby it rotates to drive the annular cleaning brush on the nut, thereby realized cleaning the toper measuring head, avoid the toper measuring head lateral wall to be stained with impurity, prevent that impurity card from taking place between toper measuring head and aperture, thereby influence the measurement accuracy of toper measuring head.
Preferably, the side wall of the buoy is symmetrically provided with U-shaped grooves, so that the buoy is slidably connected in the second sliding groove through the U-shaped grooves, and the stress balance of the buoy in the second sliding groove is further enhanced; when the device works, when the aperture size of the direction machine needs to be checked, the direction machine is clamped by the clamp firstly, at the moment, the air cylinder is enabled to ventilate, the sliding block is pushed to slide in the first sliding groove, the conical measuring head is driven to pass through the through hole in the sliding process of the sliding block and is inserted into the aperture to be measured, the first piston cylinder is extruded in the sliding process of the sliding block, after the first piston cylinder is pressed, the internal air of the first piston cylinder is transferred to the rubber tube, the rubber tube is elastically deformed after being pressed, so that the buoy is pushed to slide in the second sliding groove, the surface of the display panel has a plurality of indexes, when the conical measuring head is inserted into the aperture and cannot be inserted continuously, the position of the buoy in the second sliding groove is stabilized, at the moment, the index indicated by the buoy is the actual size of the aperture, and because the side wall of the buoy is symmetrically provided with the U, the stress of the buoy in the second sliding groove is ensured to be uniform, the condition that the buoy is inclined after being subjected to uneven friction force in the second sliding groove is effectively avoided, and therefore the overall using effect of the checking fixture is ensured.
Preferably, the inner side wall of the annular air bag is conical, the diameter of the inner side wall of the annular air bag close to the clamp is smaller, and the diameter of the inner side wall of the annular air bag far away from the clamp is larger, so that the compression precision and the compression balance of the annular air bag are fully ensured; when the device works, when the aperture size of the steering gear needs to be checked, the steering gear is clamped by the clamp firstly, the air cylinder is ventilated to push the sliding block to slide in the first sliding groove, the conical measuring head is driven to pass through the through hole in the sliding process of the sliding block and is inserted into the aperture to be measured, the conical measuring head can extrude the annular air bag in the process of inserting the conical measuring head into the through hole, the internal gas of the annular air bag is transferred into the second piston cylinder through the hose after being pressed, so that the second piston cylinder extends out to be in contact with the side wall of the conical measuring head, the balance degree of the conical measuring head in the moving process is ensured, when the inner side wall of the annular air bag is conical, the diameter of the inner side wall of the annular air bag close to the clamp is smaller, the diameter of the inner side wall of the annular air bag far away from the clamp, therefore, the stability of the conical measuring head in the moving process is further enhanced, and the measuring precision of the conical measuring head is improved.
Preferably, a magnet is arranged in the U-shaped groove; the magnetic strips are arranged on the side walls of the second groove, the magnetism of the magnets is opposite to that of the magnetic strips, the balance of stress of the buoy in the second groove is guaranteed through the matching of the magnets and the magnetic strips, and the measurement accuracy is guaranteed; when the device works, when the aperture size of the direction machine needs to be checked, the direction machine is clamped by the clamp firstly, the air cylinder is ventilated at the moment, the sliding block is pushed to slide in the first sliding groove, the conical measuring head is driven to pass through the through hole in the sliding process of the sliding block and be inserted into the aperture to be measured, the first piston cylinder can be extruded in the sliding process of the sliding block, after the first piston cylinder is pressed, the internal air of the first piston cylinder is transferred to the rubber tube, the rubber tube is elastically deformed after being pressed, so that the buoy is pushed to slide in the second sliding groove, the surface of the display panel has a plurality of indexes, when the conical measuring head is inserted into the aperture and cannot be inserted continuously, the position of the buoy in the second sliding groove is stabilized, the index pointed by the buoy is the actual size of the aperture at the moment, and the magnetic property between the magnet and the magnetic strip is opposite, so that the stress condition, the influence of the inclination of the buoy on the collection of the detection result by the staff is avoided, and therefore the practicability of the detection tool is further enhanced.
The invention has the following beneficial effects:
1. according to the special checking fixture for the hole diameter of the steering gear box shell of the new energy automobile, the hole diameter precision is checked through the matching of the base, the first plate, the clamp, the second plate, the measuring unit and the display unit, the conical measuring head can be stably inserted into the hole diameter, the conical measuring head is always kept balanced, the situation that indexes are directly engraved on the conical measuring head to cause abrasion is avoided, the using effect of the checking fixture is further improved, and the service life of the checking fixture is prolonged.
2. According to the special gauge for the aperture of the steering gear box shell of the new energy automobile, the force balance of the conical measuring head is enhanced through the matching of the fixing ring, the annular air bag and the second piston cylinder, the balance degree of the conical measuring head in the moving process is guaranteed, the conical measuring head can be inserted into the aperture under the motion track guaranteeing balance, the measuring precision is guaranteed, the detection effect of the gauge is improved, redundant process steps caused by the measuring error of the gauge are avoided, the working efficiency of workers is improved, and great convenience is brought to users.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a perspective view of the float of the present invention;
FIG. 4 is a partial enlarged view of FIG. 2 at A;
FIG. 5 is a partial enlarged view of FIG. 2 at B;
in the figure: the device comprises a base 1, a first plate 2, a clamp 3, a second plate 4, a through hole 41, a measuring unit 5, a fixing plate 51, a first sliding groove 511, an air cylinder 52, a sliding block 53, a support plate 54, a lead screw 541, a conical measuring head 55, a display unit 6, a first piston cylinder 61, a cleaning plate 611, a nut 612, an annular cleaning brush 613, a rubber tube 62, a buoy 63, a U-shaped groove 631, a magnet 632, a display plate 64, a second sliding groove 641, a magnetic strip 642, a balancing unit 7, a fixing ring 71, an annular air bag 72 and a second piston cylinder 73.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the special gauge for the aperture of the steering gear box shell of the new energy automobile comprises a base 1, a first plate 2, a clamp 3, a second plate 4, a measuring unit 5 and a display unit 6; the first plate 2 is arranged on the base 1; the clamp 3 is arranged on a first plate 2; the second plate 4 is arranged on the base 1, the second plate 4 is parallel to the first plate 2, and a through hole 41 is formed in the second plate 4 corresponding to the clamp 3; the measuring unit 5 comprises a fixing plate 51, a cylinder 52, a slide block 53, a support plate 54 and a conical measuring head 55; the fixed plate 51 is arranged on the base 1 close to the second plate 4, and a first sliding groove 511 is formed in the fixed plate 51; the air cylinder 52 is installed in the first sliding groove 511 and is fixedly connected with the end part, far away from the second plate 4, in the first sliding groove 511; the sliding plate is connected in the first sliding groove 511 in a sliding manner and is fixedly connected with the output end of the air cylinder 52; the support plate 54 is mounted on the slide block 53; the conical measuring head 55 is arranged on the support plate 54, and the axis of the conical measuring head 55 is coincided with the through hole 41 and the clamp 3; the display unit 6 comprises a first piston cylinder 61, a rubber tube 62, a buoy 63 and a display panel 64; the first piston cylinder 61 is installed in the first sliding groove 511 and fixedly connected with the end part, close to the second plate 4, in the first sliding groove 511, and the end part of the first piston cylinder 61 is connected with the sliding block 53; the display panel 64 is arranged on the base 1 close to the fixed plate 51, and a second sliding groove 641 is formed in the display panel 64; the buoy 63 is slidably connected in the second sliding groove 641 through a spring; one end of the rubber tube 62 is communicated with the inside of the first piston cylinder 61, and the other end of the rubber tube penetrates into the second sliding groove 641 and is connected with the buoy 63 through a spring; the precision of the aperture is checked through the matching of the base 1, the first plate 2, the clamp 3, the second plate 4, the measuring unit 5 and the display unit 6; when the hole size of the steering gear needs to be checked, the steering gear is clamped by the clamp 3, the air cylinder 52 is ventilated, the sliding block 53 is pushed to slide in the first sliding groove 511, the conical measuring head 55 is driven to pass through the through hole 41 in the sliding process of the sliding block 53 and be inserted into the hole size to be measured, the first piston cylinder 61 is extruded in the sliding process of the sliding block 53, the air in the first piston cylinder 61 is transmitted to the rubber tube 62 after being pressed, the rubber tube 62 is elastically deformed after being pressed, the buoy 63 is pushed to slide in the second sliding groove 641, the surface of the display panel 64 has a plurality of indexes, when the conical measuring head 55 is inserted into the hole size and cannot be inserted continuously, the position of the buoy 63 in the second sliding groove 641 is stabilized, the index indicated by the buoy 63 is the actual size of the hole size, and the conical measuring head 55 can be inserted into the hole size stably, make cone-shaped measuring head 55 keep balance all the time to thereby avoid the index directly to carve the condition that produces wearing and tearing on cone-shaped measuring head 55, further improved the result of use of examining the utensil, prolonged the life of examining the utensil.
As an embodiment of the present invention, a balancing unit 7 is disposed at the through hole 41; the balance unit 7 comprises a fixed ring 71, an annular air bag 72 and a piston cylinder II 73; the fixing ring 71 is sleeved on the through hole 41; the annular air bag 72 is sleeved on the side wall of the through hole 41 close to the clamp 3; the second piston cylinders 73 are symmetrically arranged on the side walls of the through holes 41 close to the clamp 3, and the second piston cylinders 73 are communicated with the annular air bags 72 through hoses; the force balance of the conical measuring head 55 is strengthened through the matching of the fixing ring 71, the annular air bag 72 and the piston cylinder 73 II; when the device works, when the aperture size of the steering gear needs to be checked, the steering gear is clamped by the clamp 3, the air cylinder 52 is ventilated, the sliding block 53 is pushed to slide in the first sliding groove 511, the conical measuring head 55 is driven to pass through the through hole 41 in the sliding process of the sliding block 53 and is inserted into the aperture to be measured, the conical measuring head 55 extrudes the annular air bag 72 in the process of inserting the conical measuring head 55 into the through hole 41, the air in the annular air bag 72 is transferred into the second piston cylinder 73 through the hose after being pressed, so that the second piston cylinder 73 extends out to be contacted with the side wall of the conical measuring head 55, the balance degree of the conical measuring head 55 in the moving process is ensured, the conical measuring head 55 can be inserted into the aperture under the motion track of ensuring balance, the measuring precision is ensured, the detection effect of the detection tool is improved, and redundant process steps caused by the measuring error of the detection, thereby improving the working efficiency of the working personnel and bringing great convenience to the user.
As an embodiment of the present invention, the support plate 54 is provided with a lead screw 541 on a side wall near the second plate 4; a cleaning plate 611 is arranged at the top end of the first piston cylinder 61; a nut 612 is rotatably connected to the cleaning plate 611, and the nut 612 is sleeved on the screw rod; an annular cleaning brush 613 is fixed on the nut 612; the cleaning of the side wall of the conical measuring head 55 is realized through the cooperation of the lead screw 541, the nut 612, the cleaning plate 611 and the annular cleaning brush 613; the during operation, when the aperture size to the direction machine needs to be inspected, press from both sides the direction machine through anchor clamps 3 earlier, make cylinder 52 ventilate this moment, promote slider 53 and slide in a spout 511, slider 53 can promote lead screw 541 to remove to the direction that is close to anchor clamps 3 at the slip in-process, because nut 612 suit is on lead screw 541, make lead screw 541 drive nut 612 in the in-process that removes and take place to rotate, thereby it rotates to drive annular cleaning brush 613 on the nut 612, thereby realized cleaning tapered measuring head 55, avoid tapered measuring head 55 lateral wall to adhere to there is impurity, prevent that impurity card from between tapered measuring head 55 and aperture, thereby influence the measurement accuracy of tapered measuring head 55.
As an embodiment of the present invention, the side wall of the float 63 is symmetrically provided with a U-shaped groove 631, so that the float 63 is slidably connected in the second sliding groove 641 through the U-shaped groove 631, thereby further enhancing the force balance of the float 63 in the second sliding groove 641; when the hole size of the steering gear needs to be checked, the steering gear is clamped by the clamp 3, the air cylinder 52 is ventilated, the sliding block 53 is pushed to slide in the first sliding groove 511, the conical measuring head 55 is driven to pass through the through hole 41 in the sliding process of the sliding block 53 and be inserted into the hole size to be measured, the first piston cylinder 61 is extruded in the sliding process of the sliding block 53, the air in the first piston cylinder 61 is transmitted to the rubber tube 62 after being pressed, the rubber tube 62 is elastically deformed after being pressed, the buoy 63 is pushed to slide in the second sliding groove 641, the surface of the display panel 64 has a plurality of indexes, when the conical measuring head 55 is inserted into the hole size and cannot be inserted continuously, the position of the buoy 63 in the second sliding groove 641 is stabilized, the index indicated by the buoy 63 is the actual size of the hole size, and the side wall of the buoy 63 is symmetrically provided with a U-shaped groove 631, and make buoy 63 pass through U-shaped groove 631 sliding connection in No. two spout 641, guaranteed that the atress of buoy 63 in No. two spout 641 is even, effectively avoid buoy 63 to produce the condition of slope after the frictional force size is inhomogeneous in No. two spout 641 to the whole result of use of examining the utensil has been guaranteed.
As an embodiment of the present invention, the inner side wall of the annular air bag 72 is conical, the diameter of the inner side wall of the annular air bag 72 close to the fixture 3 is smaller, and the diameter of the inner side wall of the annular air bag 72 far from the fixture 3 is larger, so as to fully ensure the compression precision and the compression balance of the annular air bag 72; when the device works, when the aperture size of the steering gear needs to be checked, the steering gear is clamped by the clamp 3, the air cylinder 52 is ventilated, the sliding block 53 is pushed to slide in the first sliding groove 511, the conical measuring head 55 is driven to pass through the through hole 41 in the sliding process of the sliding block 53 and is inserted into the aperture to be measured, the conical measuring head 55 extrudes the annular air bag 72 in the process of inserting the conical measuring head 55 into the through hole 41, the internal air of the annular air bag 72 is transferred into the second piston cylinder 73 through the hose after being pressed, so that the second piston cylinder 73 extends to be contacted with the side wall of the conical measuring head 55, the balance degree of the conical measuring head 55 in the moving process is ensured, when the inner side wall of the annular air bag 72 is conical, the diameter of the inner side wall of the annular air bag 72 close to the clamp 3 is smaller, and the diameter of the inner side wall, the conical measuring head 55 is prevented from shifting after being pressed by the annular air bag 72, so that the stability of the conical measuring head 55 in the moving process is further enhanced, and the measuring precision of the conical measuring head 55 is improved.
In one embodiment of the present invention, a magnet 632 is disposed in the U-shaped groove 631; the magnetic strip 642 is arranged on the side wall of the second groove, the magnetism of the magnet 632 is opposite to that of the magnetic strip 642, and the balance of the stress of the buoy 63 in the second groove 641 is guaranteed through the cooperation of the magnet 632 and the magnetic strip 642, so that the measurement accuracy is guaranteed; when the hole size of the steering gear needs to be checked, the steering gear is clamped by the clamp 3, the air cylinder 52 is ventilated, the sliding block 53 is pushed to slide in the first sliding groove 511, the conical measuring head 55 is driven to pass through the through hole 41 in the sliding process of the sliding block 53 and be inserted into the hole size to be measured, the first piston cylinder 61 is extruded in the sliding process of the sliding block 53, the air in the first piston cylinder 61 is transmitted to the rubber tube 62 after being pressed, the rubber tube 62 is elastically deformed after being pressed, the buoy 63 is pushed to slide in the second sliding groove 641, the surface of the display panel 64 has a plurality of indexes, when the conical measuring head 55 is inserted into the hole size and cannot be inserted continuously, the position of the buoy 63 in the second sliding groove 641 is stabilized, the index indicated by the buoy 63 is the actual size of the hole size, and the magnetism between the magnet 632 and the magnetic strip 642 is opposite, thereby further guarantee the atress condition of buoy 63 in No. two spouts 641, avoid influencing the staff to the collection of testing result because the slope of buoy 63 to further strengthen the practicality of examining the utensil.
When the hole size of the steering gear needs to be checked, the steering gear is clamped by the clamp 3, the air cylinder 52 is ventilated, the sliding block 53 is pushed to slide in the first sliding groove 511, the conical measuring head 55 is driven to pass through the through hole 41 in the sliding process of the sliding block 53 and be inserted into the hole size to be measured, the first piston cylinder 61 is extruded in the sliding process of the sliding block 53, the air in the first piston cylinder 61 is transmitted to the rubber tube 62 after being pressed, the rubber tube 62 is elastically deformed after being pressed, the buoy 63 is pushed to slide in the second sliding groove 641, the surface of the display panel 64 has a plurality of indexes, when the conical measuring head 55 is inserted into the hole size and cannot be inserted continuously, the position of the buoy 63 in the second sliding groove 641 is stabilized, the index indicated by the buoy 63 is the actual size of the hole size, and the conical measuring head 55 can be inserted into the hole size stably, the conical measuring head 55 is kept balanced all the time, the condition that indexes are directly engraved on the conical measuring head 55 to cause abrasion is avoided, the using effect of the checking fixture is further improved, and the service life of the checking fixture is prolonged; when the aperture size of the steering gear needs to be checked, the steering gear is clamped by the clamp 3, the air cylinder 52 is ventilated at the moment, the sliding block 53 is pushed to slide in the first sliding groove 511, the conical measuring head 55 is driven to pass through the through hole 41 in the sliding process of the sliding block 53 and is inserted into the aperture to be measured, the conical measuring head 55 extrudes the annular air bag 72 in the process of inserting the conical measuring head 55 into the through hole 41, the air in the annular air bag 72 is transferred into the second piston cylinder 73 through the hose after being pressed, so that the second piston cylinder 73 extends to be contacted with the side wall of the conical measuring head 55, the balance degree of the conical measuring head 55 in the moving process is ensured, the conical measuring head 55 can be inserted into the aperture under the motion track which ensures the balance, the measuring precision is ensured, the detecting effect of the detecting tool is improved, and the redundant process steps caused by the measuring error of, thereby improving the working efficiency of the working personnel and bringing great convenience to users; when the aperture size of the steering gear needs to be inspected, the steering gear is clamped by the clamp 3, the air cylinder 52 is ventilated at the moment, the sliding block 53 is pushed to slide in the first sliding groove 511, the sliding block 53 can push the screw 541 to move towards the direction close to the clamp 3 in the sliding process, and the nut 612 is sleeved on the screw 541, so that the screw 541 drives the nut 612 to rotate in the moving process, and the annular cleaning brush 613 on the nut 612 is driven to rotate, so that the tapered measuring head 55 is cleaned, impurities are prevented from being adhered to the side wall of the tapered measuring head 55, and the impurities are prevented from being clamped between the tapered measuring head 55 and the aperture, and the measuring precision of the tapered measuring head 55 is influenced; when the aperture size of the steering gear needs to be checked, the steering gear is clamped by the clamp 3, at this time, the air cylinder 52 is ventilated, the sliding block 53 is pushed to slide in the first sliding groove 511, the tapered measuring head 55 is driven to pass through the through hole 41 in the sliding process of the sliding block 53 and be inserted into the aperture to be measured, the first piston cylinder 61 is extruded in the sliding process of the sliding block 53, after the first piston cylinder 61 is pressed, the internal air is transmitted to the rubber tube 62, the rubber tube 62 is elastically deformed after being pressed, so that the buoy 63 is pushed to slide in the second sliding groove 641, the surface of the display panel 64 has a plurality of indexes, when the tapered measuring head 55 is inserted into the aperture and cannot be inserted continuously, the position of the buoy 63 in the second sliding groove 641 is stabilized, at this time, the index pointed by the buoy 63 is the actual size of the aperture, because the side wall of the buoy 63 is symmetrically provided with the, the buoy 63 is slidably connected in the second sliding groove 641 through the U-shaped groove 631, so that the buoy 63 is uniformly stressed in the second sliding groove 641, the phenomenon that the buoy 63 is inclined after being subjected to uneven friction force in the second sliding groove 641 is effectively avoided, and the overall using effect of the checking fixture is guaranteed; when the aperture size of the steering gear needs to be checked, the steering gear is clamped by the clamp 3, the air cylinder 52 is ventilated, the sliding block 53 is pushed to slide in the first sliding groove 511, the conical measuring head 55 is driven to pass through the through hole 41 in the sliding process of the sliding block 53 and is inserted into the aperture to be measured, the conical measuring head 55 extrudes the annular air bag 72 in the process of inserting the conical measuring head 55 into the through hole 41, the internal gas of the annular air bag 72 after being pressed is transmitted into the second piston cylinder 73 through the hose, so that the second piston cylinder 73 extends to be contacted with the side wall of the conical measuring head 55, the balance degree of the conical measuring head 55 in the moving process is ensured, when the inner side wall of the annular air bag 72 is conical, the diameter of the inner side wall of the annular air bag 72 close to the clamp 3 is smaller, the diameter of the inner side wall of the annular air bag 72 far away from the clamp 3 is larger, and the situation that, thereby further enhancing the stability of the tapered measuring head 55 in the moving process and improving the measuring precision of the tapered measuring head 55; when the aperture size of the steering gear needs to be checked, the steering gear is clamped by the clamp 3, at this time, the air cylinder 52 is ventilated, the sliding block 53 is pushed to slide in the first sliding groove 511, the tapered measuring head 55 is driven to pass through the through hole 41 in the sliding process of the sliding block 53 and be inserted into the aperture to be measured, the first piston cylinder 61 is extruded in the sliding process of the sliding block 53, after the first piston cylinder 61 is pressed, the internal air is transmitted to the rubber tube 62, the rubber tube 62 is elastically deformed after being pressed, so that the buoy 63 is pushed to slide in the second sliding groove 641, the surface of the display panel 64 has a plurality of indexes, when the tapered measuring head 55 is inserted into the aperture and cannot be inserted continuously, the position of the buoy 63 in the second sliding groove 641 is stabilized, at this time, the index pointed by the buoy 63 is the actual size of the aperture, and because the magnetism between the magnet 632 and the magnetic strip 642, thereby further guarantee the atress condition of buoy 63 in No. two spouts 641, avoid influencing the staff to the collection of testing result because the slope of buoy 63 to further strengthen the practicality of examining the utensil.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a utensil is examined in special use of new energy automobile steering gear casing aperture which characterized in that: comprises a base (1), a first plate (2), a clamp (3), a second plate (4), a measuring unit (5) and a display unit (6); the first plate (2) is arranged on the base (1); the clamp (3) is arranged on a first plate (2); the second plate (4) is arranged on the base (1), the second plate (4) is parallel to the first plate (2), and a through hole (41) is formed in the position, corresponding to the clamp (3), of the second plate (4); the measuring unit (5) comprises a fixing plate (51), an air cylinder (52), a sliding block (53), a support plate (54) and a conical measuring head (55); the fixed plate (51) is arranged on the base (1) close to the second plate (4), and a first sliding groove (511) is formed in the fixed plate (51); the air cylinder (52) is installed in the first sliding groove (511) and is fixedly connected with the end part, far away from the second plate (4), in the first sliding groove (511); the sliding plate is connected in the first sliding groove (511) in a sliding mode and is fixedly connected with the output end of the air cylinder (52); the support plate (54) is arranged on the slide block (53); the conical measuring head (55) is arranged on the support plate (54), and the axis of the conical measuring head (55) is overlapped with the through hole (41) and the clamp (3); the display unit (6) comprises a first piston cylinder (61), a rubber tube (62), a buoy (63) and a display panel (64); the first piston cylinder (61) is installed in the first sliding groove (511) and fixedly connected with the end part, close to the second plate (4), in the first sliding groove (511), and the end part of the first piston cylinder (61) is connected with the sliding block (53); the display panel (64) is arranged on the base (1) close to the fixed plate (51), and a second sliding groove (641) is formed in the display panel (64); the buoy (63) is connected in the second sliding groove (641) in a sliding manner through a spring; one end of the rubber tube (62) is communicated with the interior of the first piston cylinder (61), and the other end of the rubber tube penetrates into the second sliding groove (641) and is connected with the buoy (63) through a spring; the precision of the aperture is checked through the matching of the base (1), the first plate (2), the clamp (3), the second plate (4), the measuring unit (5) and the display unit (6).
2. The special gauge for the hole diameter of the steering gear box shell of the new energy automobile according to claim 1, characterized in that: a balance unit (7) is arranged at the through hole (41); the balance unit (7) comprises a fixed ring (71), an annular air bag (72) and a second piston cylinder (73); the fixing ring (71) is sleeved on the through hole (41); the annular air bag (72) is sleeved on the side wall of the through hole (41) close to the clamp (3); the second piston cylinder (73) is symmetrically arranged on the side wall of the through hole (41) close to the clamp (3), and the second piston cylinder (73) is communicated with the annular air bag (72) through a hose; the force balance of the conical measuring head (55) is strengthened through the matching of the fixing ring (71), the annular air bag (72) and the second piston cylinder (73).
3. The special gauge for the hole diameter of the steering gear box shell of the new energy automobile according to claim 1, characterized in that: a screw rod (541) is arranged on the side wall of the support plate (54) close to the second plate (4); a cleaning plate (611) is arranged at the top end of the first piston cylinder (61); the cleaning plate (611) is rotatably connected with a nut (612), and the nut (612) is sleeved on the screw rod; an annular cleaning brush (613) is fixed on the nut (612); the side wall of the conical measuring head (55) is cleaned through the matching of the screw rod (541), the nut (612), the cleaning plate (611) and the annular cleaning brush (613).
4. The special gauge for the hole diameter of the steering gear box shell of the new energy automobile according to claim 1, characterized in that: the side wall of the buoy (63) is symmetrically provided with a U-shaped groove (631), so that the buoy (63) is slidably connected in the second sliding groove (641) through the U-shaped groove (631), and the stress balance of the buoy (63) in the second sliding groove (641) is further enhanced.
5. The special gauge for the hole diameter of the steering gear box shell of the new energy automobile according to claim 2, characterized in that: the inside wall of annular gasbag (72) is the toper, and is close to annular gasbag (72) inside wall diameter less of anchor clamps (3), and annular gasbag (72) inside wall diameter of keeping away from anchor clamps (3) is great to the pressurized precision and the pressurized balance of annular gasbag (72) have fully been guaranteed.
6. The special gauge for the hole diameter of the steering gear box shell of the new energy automobile according to claim 4, characterized in that: a magnet (632) is arranged in the U-shaped groove (631); the side wall of the second groove is provided with the magnetic strip (642), the magnetism of the magnet (632) is opposite to that of the magnetic strip (642), the stress balance of the buoy (63) in the second groove (641) is guaranteed through the matching of the magnet (632) and the magnetic strip (642), and the measuring accuracy is guaranteed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911362655.2A CN111102904A (en) | 2019-12-26 | 2019-12-26 | Utensil is examined in special use of new energy automobile steering wheel machine casing aperture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911362655.2A CN111102904A (en) | 2019-12-26 | 2019-12-26 | Utensil is examined in special use of new energy automobile steering wheel machine casing aperture |
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| Publication Number | Publication Date |
|---|---|
| CN111102904A true CN111102904A (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911362655.2A Withdrawn CN111102904A (en) | 2019-12-26 | 2019-12-26 | Utensil is examined in special use of new energy automobile steering wheel machine casing aperture |
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| CN (1) | CN111102904A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895887A (en) * | 2020-08-13 | 2020-11-06 | 青田昙正测量仪器有限公司 | High-precision measuring instrument used in shaft machining process |
| CN115355793A (en) * | 2022-10-19 | 2022-11-18 | 钜亚汽车零部件科技(太仓)有限公司 | Hole position error detection device for automobile transmission case casting and working method |
| CN118408440A (en) * | 2024-07-02 | 2024-07-30 | 青海量具(常州)有限公司 | Mechanical inside diameter measurement micrometer and manufacturing process thereof |
-
2019
- 2019-12-26 CN CN201911362655.2A patent/CN111102904A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895887A (en) * | 2020-08-13 | 2020-11-06 | 青田昙正测量仪器有限公司 | High-precision measuring instrument used in shaft machining process |
| CN115355793A (en) * | 2022-10-19 | 2022-11-18 | 钜亚汽车零部件科技(太仓)有限公司 | Hole position error detection device for automobile transmission case casting and working method |
| CN115355793B (en) * | 2022-10-19 | 2023-03-10 | 钜亚汽车零部件科技(太仓)有限公司 | Hole position error detection device for automobile transmission case casting and working method |
| CN118408440A (en) * | 2024-07-02 | 2024-07-30 | 青海量具(常州)有限公司 | Mechanical inside diameter measurement micrometer and manufacturing process thereof |
| CN118408440B (en) * | 2024-07-02 | 2024-08-27 | 青海量具(常州)有限公司 | Mechanical inside diameter measurement micrometer and manufacturing process thereof |
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Application publication date: 20200505 |