CN210625566U - Connecting rod checking fixture - Google Patents
Connecting rod checking fixture Download PDFInfo
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- CN210625566U CN210625566U CN201921661867.6U CN201921661867U CN210625566U CN 210625566 U CN210625566 U CN 210625566U CN 201921661867 U CN201921661867 U CN 201921661867U CN 210625566 U CN210625566 U CN 210625566U
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Abstract
The utility model discloses the application belongs to the technical field that the connecting rod detected, specifically discloses an utensil is examined to connecting rod, including examining test table, it is equipped with major part dabber and microcephaly dabber to examine test table top, major part dabber and microcephaly dabber parallel arrangement each other, it has the detecting element who is used for detecting connecting rod body crookedness to examine test table bottom horizontal sliding connection. The utility model discloses can simplify the positioning process, can increase the detection type when improving detection efficiency.
Description
Technical Field
The utility model discloses the application belongs to the technical field that the connecting rod detected, specifically discloses an utensil is examined to connecting rod.
Background
The connecting rod has wide application in mechanical equipment, can convert the linear motion of the piston into the rotary motion of the crankshaft in mechanical equipment such as an engine and the like, and comprises a big head end and a small head end, wherein a connecting rod body is arranged between the big head end and the small head end, a big head hole is arranged on the big head end, and a small head hole is arranged on the small head end.
Because the quality of the connecting rod has great influence on the service life of the connecting rod, multiple intermediate inspections are carried out in the machining process, and final inspections are carried out after the machining process is finished; detecting the dimensional accuracy of the main surface, such as the bending degree of the connecting rod body; the position accuracy of the main surface is detected, for example, whether the axes of the big head hole and the small head hole of the connecting rod coincide in the radial direction is detected.
However, in a detection process of a connecting rod in a factory, the connecting rod needs to be positioned first, the connecting rod is usually fixed through some positioning plates or positioning detection tools, and then the position of the detection tool for detecting the connecting rod is adjusted, so that the positioning process is complicated, and a large number of connecting rods need to be detected by detection personnel in the factory every day; in addition, in the prior art, the connecting rod detection tool can only detect the position precision or the size precision, and the detection type is single.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an utensil is examined to connecting rod aims at can simplifying the positioning process, can increase the detection type when improving detection efficiency.
In order to achieve the above object, the basic scheme of the utility model is:
the connecting rod checking fixture comprises a checking platform, wherein a large-head mandrel and a small-head mandrel are arranged at the top end of the checking platform and are arranged in parallel, and a detecting unit used for detecting the bending degree of a connecting rod body is horizontally and slidably connected to the bottom end of the checking platform.
The working principle and the beneficial effects of the basic scheme are as follows:
in the technical scheme, the arrangement of the large-head mandrel and the small-head mandrel can detect the position precision of the connecting rod, namely whether the axis in the radial direction of the large-head end is superposed with the axis in the radial direction of the small-head end can be detected, so that whether the large-head hole in the large-head end is opposite to the small-head hole in the small-head end can be detected, and if the large-head hole and the small-head hole can be smoothly sleeved on the large-head mandrel and the small-head mandrel respectively, the large-head hole and the small-head hole of the connecting rod meet the detection requirements; in addition, the big head mandrel and the small head mandrel can also position the connecting rod, and when the big head hole and the small head hole are respectively sleeved on the big head mandrel and the small head mandrel, the positioning operation of the connecting rod is completed.
The detection unit that sets up of detection hole in this technical scheme is convenient for detect the crookedness of connecting rod body, through the slip detecting element, can detect disjunctor pole length direction to judge whether crooked condition appears in disjunctor pole.
In the technical scheme, the positioning and the detection are combined into a whole, so that the device is convenient to use, simple to operate and accurate in detection result; and because the positioning position can not be changed, when a detector changes the connecting rod at every time, the positioning can be completed only by respectively sleeving the big head hole and the small head hole on the connecting rod on the big head mandrel and the small head mandrel, so that the labor intensity of the detector is greatly reduced, and the working efficiency is improved.
Further, the detection unit comprises a dial indicator, a detection hole is formed in the detection table and is located between the large-head mandrel and the small-head mandrel, and the measuring rod of the dial indicator can be in contact with the connecting rod body of the connecting rod through the detection hole.
According to the technical scheme, the dial indicator is moved, the measuring rod on the dial indicator senses the connecting rod body, and then whether the connecting rod body is bent or not can be judged according to the numerical value change on the dial indicator.
Furthermore, the bottom end of the detection table is connected with a sliding plate in a sliding mode along the length direction of the connecting rod body, the dial plate of the dial indicator is fixed on the sliding plate, and the measuring rod of the dial indicator penetrates through the sliding plate.
The slide set up to the installation of percentage table among this technical scheme provides a bridge, and the percentage table can slide along with the slide, and the slide can avoid the percentage table to produce wearing and tearing.
Further, the fixed ring of slide bottom fixedly connected with, the breach is seted up to one side that solid fixed ring deviates from the slide, the dial plate of percentage table passes through the breach joint in the fixed ring, sets up the through-hole that the measuring stick that supplies the percentage table passes through on solid fixed ring and the slide.
The setting of solid fixed ring has realized dismantling the mode of being connected between messenger's percentage table and the slide, and the setting of breach can make the percentage table joint in the fixed ring, and the installation is all very convenient with the dismantlement.
Furthermore, two supporting tables are fixedly connected to the bottom end of the detection table, and the two supporting tables are respectively located on two sides of the detection table.
In order to make the detecting unit slide smoothly, the detecting unit on the detecting table should be kept in a suspended state to avoid the detecting unit from contacting with the ground or other supporting planes, so that the detecting table needs to be suspended, and the supporting table can support the detecting table and avoid the detecting table and the detecting unit on the detecting table from contacting with the ground or other supporting planes.
Furthermore, one side of each of the two support tables, which faces back to each other, is located on the same plane with the two sides of the detection table.
So set up, when the crookedness of detecting the connecting rod body, can overturn 90 messenger's detection platform with whole detection platform and erect, measure the crookedness of the connecting rod body like this and make the detection personnel more conveniently operate detecting element, and because detecting platform and a supporting bench are located the coplanar among this technical scheme, when will detecting the platform and erect like this, can be more steady erect and avoid appearing the situation of slope to the accuracy of detection has been improved.
Furthermore, the two supporting tables are provided with non-slip mats on the opposite sides.
The setting of slipmat can avoid a supporting bench to skid.
Further, it has the stopper to examine horizontal sliding connection on the platform, the stopper is the V-arrangement, the stopper is located the big head dabber and keeps away from one side of little head dabber, and the stopper can be to the direction reciprocating sliding of perpendicular to big head dabber.
Because big head hole and microcephaly hole on the connecting rod need overlap respectively at major part dabber and microcephaly dabber, consequently the cooperation of major part hole and major part dabber and microcephaly hole and microcephaly dabber is clearance fit, has not hard up condition between major part hole and the major part dabber, and the setting of stopper, and the stopper is the V-arrangement, can play spacing and the effect of rectifying to the major part dabber, make the connecting rod location more accurate, the position is more stable when detecting.
Furthermore, the limiting block, the big head core shaft and the small head core shaft are arranged in a straight line, and the opening of the limiting block is opposite to the big head core shaft.
So set up, can make the stopper more accurate to the location of connecting rod stub end and stub end to it is more accurate to make the testing result.
Furthermore, the small-head mandrel and the large-head mandrel are detachably connected with the detection table.
After the connecting rod detection tool in the technical scheme is used for a long time, the large-head mandrel and the small-head mandrel are abraded, and the abraded small-head mandrel and the abraded large-head mandrel can be taken out of the detection table for replacement.
Drawings
Fig. 1 is a front axial perspective view of a first embodiment of the connecting rod testing fixture of the present invention;
FIG. 2 is a front view of a first embodiment of the connecting rod testing fixture of the present invention;
fig. 3 is a perspective view of the first connecting rod checking fixture of the present invention viewed from the bottom end of the checking platform;
fig. 4 is a schematic view of a detection table of the first embodiment of the connecting rod checking fixture of the present invention in a state after being turned 90 degrees;
fig. 5 is a schematic front axial view of a second embodiment of the connecting rod testing fixture.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a detection table 1, a large-head mandrel 2, a small-head mandrel 3, a support table 4, a connecting rod body 5, a large-head end 6, a small-head end 7, a detection hole 8, a sliding groove 9, a sliding plate 10, a fixing ring 11, a dial 12, a measuring rod 13, a strip-shaped groove 14, a limiting block 15 and an anti-slip pad 16.
Example one
The embodiment is substantially as shown in figures 1, 2 and 3 of the accompanying drawings: the connecting rod checking fixture comprises a checking platform 1, as shown in fig. 2, two supporting platforms 4 are welded and fixed at the bottom end of the checking platform 1, and the two supporting platforms 4 are respectively located at the left side and the right side of the checking platform 1, in the embodiment, the two supporting platforms 4 are both rectangular plate-shaped structures, and the checking platform 1 is also rectangular plate-shaped structure. The two support tables 4 are arranged on the same plane with the two sides of the detection table 1 respectively, so that the detection table 1 can still be stably placed after being turned over for 90 degrees.
Detect 1 top of platform and be equipped with major part dabber 2 and microcephaly dabber 3, major part dabber 2 and microcephaly dabber 3 all are solid cylindricly, and the diameter size of major part dabber 2 and microcephaly dabber 3 should set up according to the connecting rod size of mill's production, makes the major part hole on the connecting rod major part head end 6 can overlap on major part dabber 2, and the microcephaly hole on the connecting rod microcephaly end 7 can overlap on microcephaly dabber 3, and major part dabber 2 and microcephaly dabber 3 are parallel to each other.
Big head dabber 2 and microcephaly dabber 3 can with examine test table 1 welded fastening, also can dismantle with examining test table 1 and be connected, big head dabber 2 in this embodiment and microcephaly dabber 3 all can dismantle with examining test table 1 and be connected, and is specific: the detection table 1 is respectively provided with a counter bore for inserting the big head mandrel 2 and the small head mandrel 3, and the big head mandrel 2 and the small head mandrel 3 are inserted into the counter bore and are in interference fit with the counter bore.
The detection table 1 is provided with a detection hole 8, the detection hole 8 is just opposite to the connecting rod body 5 after the large-head mandrel 2 and the small-head mandrel 3 are respectively sleeved with the large-head hole and the small-head hole of the connecting rod, and the detection hole 8 is positioned between the large-head mandrel 2 and the small-head mandrel 3. The bottom end of the detection table 1 is horizontally and slidably connected with a detection unit for detecting the bending degree of the connecting rod body 5. Referring to fig. 3, in the present embodiment, a sliding plate 10 is slidably connected to the bottom end of the detection table 1 along the length direction of the connecting rod body 5, specifically: two strip-shaped sliding grooves 9 are formed in the bottom of the detection table 1, the two sliding grooves 9 are located on two sides of the detection hole 8 respectively, two sliding blocks (not shown in the figure) are fixed to the bottom end of the sliding plate 10 in a welded mode, the two sliding blocks are inserted into the two sliding grooves 9 respectively, the sliding grooves 9 can play a limiting role in the sliding blocks, and the sliding blocks are prevented from falling out of the sliding grooves 9 due to the action of gravity.
Fixed ring 11 is fixed with in the bottom bonding of slide 10, and fixed ring 11 is cyclic annular, and fixed ring 11 offers jaggedly in one side that deviates from slide 10, and fixed ring 11 adopts the plastics that can produce deformation to make in this embodiment.
Detecting element includes the percentage table in this embodiment, slide 10 and the solid fixed ring 11 go up the through-hole of seting up mutual intercommunication, thereby the measuring stick 13 of percentage table passes the through-hole and can contact with connecting rod body 5, the dial plate 12 of percentage table passes through the breach joint in solid fixed ring 11, because solid fixed ring 11 adopts the plastics that can produce deformation to make, consequently gu fixed ring 11's breach receives can produce deformation under the effect of external force, dial plate 12 joint that can make the percentage table when breaking the breach off with the fingers and thumb is in gu fixed ring 11, dial plate 12 joint when the percentage table is in gu fixed ring 11 back, make the breach on solid fixed ring 11 no longer receive the effect of external force, breach department will reset this moment, thereby dial plate 12 to the percentage table plays the effect of restriction, the effectual condition of avoiding the dial plate 12 of.
When the detection table is used, the detection table 1 is placed on a horizontal table top, then a large head hole in a large head end 6 of the connecting rod is sleeved on the large head mandrel 2, a small head hole in a small head end 7 of the connecting rod is sleeved on the small head mandrel 3, if the connecting rod cannot be smoothly sleeved on the large head mandrel 2 and the small head mandrel 3, the connecting rod is unqualified, and the diameters of the large head hole and the small head hole of the connecting rod in the radial direction are deviated.
After the big end hole and the small end hole of the connecting rod are smoothly sleeved on the big end mandrel 2 and the small end mandrel 3, the connecting rod is positioned, then the measuring rod 13 on the dial indicator slides along the length direction of the connecting rod body 5 through the sliding plate 10, so that the curvature of the connecting rod body 5 is detected, and whether the connecting rod body 5 is bent or not is judged according to the reading change on the dial indicator.
As shown in the combined figure 4, when the bending degree of the connecting rod body 5 is detected, the detection table 1 can be turned over by 90 degrees clockwise, and then the sliding plate 10 is moved to enable the dial indicator to detect the connecting rod body 5, so that the sliding plate 10 is more convenient for a detector to move, and the numerical value change of the dial indicator can be more visually seen.
Example two
As shown in fig. 5, the connecting rod testing fixture is different from the first embodiment in that: two one sides that prop up supporting bench 4 mutually on the back all bond and be fixed with slipmat 16, and slipmat 16 adopts the rubber material to make, and slipmat 16's setting can avoid a supporting bench 4 to skid when erecting supporting bench 4.
Examine test table 1 and go up horizontal sliding connection and have stopper 15, stopper 15 is the V-arrangement in this embodiment, and major part dabber 2 is located between stopper 15 and the microcephaly dabber 3, and stopper 15, major part dabber 2 and microcephaly dabber 3 are the linear arrangement, and stopper 15's opening is just to major part dabber 2. The limiting block 15 can slide to and fro in the direction perpendicular to the big head core shaft 2, and is specific: seted up bar groove 14 on examining test table 1, the bottom welded fastening of stopper 15 has slider (not shown in the figure), and the slider inserts in bar groove 14 and can be along bar groove 14 horizontal slip, and bar groove 14 has the limiting displacement to the slider, makes the slider can not drop out bar groove 14.
In the process of detection, the connecting rod can be more stable due to the arrangement of the limiting block 15, and shaking is avoided, so that the accuracy of detection is improved.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (10)
1. The connecting rod checking fixture comprises a checking platform and is characterized in that a large-head mandrel and a small-head mandrel are arranged at the top end of the checking platform and are arranged in parallel, and a detecting unit used for detecting the bending degree of a connecting rod body is horizontally and slidably connected to the bottom end of the checking platform.
2. The connecting rod testing fixture of claim 1, wherein the detection unit comprises a dial indicator, the detection table is provided with a detection hole, the detection hole is located between the large-head mandrel and the small-head mandrel, and a measuring rod of the dial indicator can be in contact with a connecting rod body of the connecting rod through the detection hole.
3. The connecting rod testing fixture of claim 2, wherein a sliding plate is connected to the bottom end of the testing table in a sliding manner along the length direction of the connecting rod body, a dial plate of the dial indicator is fixed on the sliding plate, and a measuring rod of the dial indicator penetrates through the sliding plate.
4. The connecting rod testing fixture according to claim 3, wherein a fixing ring is fixedly connected to the bottom end of the sliding plate, a notch is formed in one side, away from the sliding plate, of the fixing ring, a dial plate of the dial indicator is clamped in the fixing ring through the notch, and through holes for a measuring rod of the dial indicator to pass through are formed in the fixing ring and the sliding plate.
5. The connecting rod testing fixture of claim 1, wherein two supporting platforms are fixedly connected to the bottom end of the testing platform, and the two supporting platforms are respectively located on two sides of the testing platform.
6. The connecting rod testing fixture of claim 5, wherein the sides of the two support platforms opposite to each other are located on the same plane with the two sides of the testing platform.
7. The connecting rod testing fixture of claim 6, wherein the two support platforms are provided with anti-slip pads on the sides facing away from each other.
8. The connecting rod testing fixture according to claim 1, wherein a limiting block is horizontally slidably connected to the testing table, the limiting block is in a V shape, the limiting block is located on one side of the large-head core shaft away from the small-head core shaft, and the limiting block can slide in a reciprocating manner in a direction perpendicular to the large-head core shaft.
9. The connecting rod testing fixture of claim 8, wherein the limiting block, the large head core shaft and the small head core shaft are arranged in a straight line, and the opening of the limiting block faces the large head core shaft.
10. The connecting rod testing fixture of claim 1, wherein the small-head mandrel and the large-head mandrel are detachably connected to the testing table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921661867.6U CN210625566U (en) | 2019-09-30 | 2019-09-30 | Connecting rod checking fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921661867.6U CN210625566U (en) | 2019-09-30 | 2019-09-30 | Connecting rod checking fixture |
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| CN210625566U true CN210625566U (en) | 2020-05-26 |
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| CN201921661867.6U Active CN210625566U (en) | 2019-09-30 | 2019-09-30 | Connecting rod checking fixture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923825A (en) * | 2021-01-27 | 2021-06-08 | 苏州施源特电气有限公司 | Connecting rod detection device for circuit breaker |
-
2019
- 2019-09-30 CN CN201921661867.6U patent/CN210625566U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923825A (en) * | 2021-01-27 | 2021-06-08 | 苏州施源特电气有限公司 | Connecting rod detection device for circuit breaker |
| CN112923825B (en) * | 2021-01-27 | 2023-03-24 | 苏州施源特电气有限公司 | Connecting rod detection device for circuit breaker |
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