Connecting rod splitting groove deviation detection device
By fixing the connecting rod with a support, erection, and leveling mechanism, and combining it with laser displacement sensor scanning, the problem of ambient light affecting the detection results was solved, thus improving the accuracy and efficiency of connecting rod fracture groove offset detection.
Patent Information
- Application Number
- CN202520434100.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing connecting rod fracture groove offset detection devices are easily affected by ambient light during the fixing process, leading to deviations in detection results and low detection efficiency.
The system employs a support mechanism, a scaffolding mechanism, a leveling mechanism, and a detection mechanism. The connecting rod is fixed by a V-block and a laser displacement sensor to ensure that the connecting rod is placed horizontally. The laser displacement sensor scans the entire length of the pyrolysis groove and directly outputs the offset.
It effectively prevents ambient light from affecting the detection results, improves the accuracy and efficiency of detection, simplifies the image processing algorithm, and ensures the direct output of the offset.
Smart Images

Figure CN223755984U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to connecting rod cracking groove offset detection technical field, concretely is a connecting rod cracking groove offset detection device. BACKGROUND
[0002] The offset condition of the cracking groove refers to whether two cracking grooves are arranged at two ends of the same diameter of the big head hole of the connecting rod, and when the two cracking grooves are not on the same diameter of the big head hole of the connecting rod, the cracking requirement is not met.
[0003] The application number CN202021996614.7 discloses a connecting rod cracking groove offset detection device, which comprises a rack, a clamp mechanism and a detection mechanism and the like. The utility model can judge whether the cracking groove is offset, avoid subsequent processing of the connecting rod which does not meet the cracking requirement, and reduce the production cost. When the application is used, there is a problem: the fixing of the connecting rod is only to lock the connecting rod, and the thickness of the big head hole and the small head hole of the connecting rod is inconsistent, so that when the connecting rod is placed on the plane, the inclination occurs, so that the ambient light affects the inside of the big head hole, the shadow appears in the big head hole, and the detection result is prone to deviation. UTILITY MODEL CONTENT
[0004] The utility model aims at solving one of the technical problems existing in the prior art or related art.
[0005] Therefore, the utility model adopts the technical scheme that:
[0006] A connecting rod cracking groove offset detection device, comprising a supporting mechanism, a lifting mechanism, a leveling mechanism and a detection mechanism, the supporting mechanism comprises a turntable, a shaft sleeve connected with the bottom of the turntable, the lifting mechanism, the lifting mechanism comprises a plurality of V-shaped blocks fitted on the top of the turntable, two stepped surfaces symmetrically arranged on the inner side walls of the V-shaped blocks, the leveling mechanism, the leveling mechanism comprises a T-shaped plate connected with the V-shaped block close to the outer edge of the turntable, a plate sleeve movably sleeved on the outer side of the T-shaped plate, a threaded rod screwed with the plate sleeve, and an iron ruler inserted with the turntable, the bottom end of the plate sleeve is fixedly connected with the top of the turntable, the inner end of the threaded rod is in interference fit with the side wall of the T-shaped plate, and the detection mechanism, the detection mechanism comprises a rod holder arranged on one side of the turntable, a rod sleeve slidably connected with the rod holder, and a laser displacement sensor connected with the bottom end of the rod sleeve.
[0007] By adopting the technical scheme, the connecting rod is fixed on a group of V-shaped blocks, then the iron ruler is drawn out, the center position of the iron ruler is attached to the top of the center position of the connecting rod, then the inclined connecting rod inclines the iron ruler, workers lift the V-shaped blocks close to the outer edge of the rotating disc according to the floating state of the iron ruler, then the small head hole end of the connecting rod is slowly pried up, then the connecting rod region is horizontally placed, the most direct surface is that the iron ruler is horizontally floated, then the threaded rod is screwed, the connecting rod is horizontally placed, the environment light is effectively prevented from affecting the inside of the big head hole, the shadow in the big head hole is avoided, and the accuracy of the detection result is ensured.
[0008] In a preferred example, the utility model discloses further can be configured as: multiple V-shaped blocks are in pairs in a group, are set as multiple groups, multiple V-shaped blocks are equidistant and are arranged in hexagon.
[0009] In a preferred example, the utility model discloses further can be configured as: the rotating disc top is equipped with the guide mechanism, the guide mechanism includes the hexagonal frame of fixed connection with rotating disc top, and the guide plate is connected with multiple sides of the hexagonal frame, and the guide plate bottom is connected with rotating disc top, and multiple V-shaped blocks close to the rotating disc center are slidably connected to multiple guide plate tops.
[0010] In a preferred example, the utility model discloses further can be configured as: multiple rubber pads are installed in the inside of the ladder surface, and the vertical section of the rubber pad is set as trapezoidal.
[0011] In a preferred example, the utility model discloses further can be configured as: the outer side of multiple V-shaped blocks close to the outer edge of the rotating disc is equipped with the pull rod, and the outer end of the pull rod is processed as spherical surface.
[0012] In a preferred example, the utility model discloses further can be configured as: the guide plate top is attached with the push plate, and the outer end of the push plate is connected with the inside of the V-shaped block close to the rotating disc center.
[0013] By adopting the technical scheme, the utility model discloses the obtained beneficial effects are:
[0014] 1. In the utility model, the connecting rod is fixed on a group of V-shaped blocks, then the iron ruler is drawn out, the center position of the iron ruler is attached to the top of the center position of the connecting rod, then the inclined connecting rod inclines the iron ruler, workers lift the V-shaped blocks close to the outer edge of the rotating disc according to the floating state of the iron ruler, then the small head hole end of the connecting rod is slowly pried up, then the connecting rod region is horizontally placed, the most direct surface is that the iron ruler is horizontally floated, then the threaded rod is screwed, the connecting rod is horizontally placed, the environment light is effectively prevented from affecting the inside of the big head hole, the shadow in the big head hole is avoided, and the accuracy of the detection result is ensured.
[0015] 2. The utility model discloses a translation rod sleeve is followed when moving in the offset measurement, then the laser displacement sensor is followed with the movement, when two laser displacement sensors are located at the both ends of the cracking groove, two laser displacement sensors cooperate to complete the full length scanning of the cracking groove, then the offset direction and the value are judged according to the symmetry difference of two laser displacement sensor signals, and the digital offset is directly outputted, does not need complex image processing algorithm, improves the detection efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is whole structure perspective drawing for the utility model;
[0017] Figure 2 It is connection relation schematic drawing of rotary table and axle sleeve for the utility model;
[0018] Figure 3 It is erect mechanism schematic drawing for the utility model;
[0019] Figure 4 It is leveling mechanism schematic drawing for the utility model;
[0020] Figure 5 It is detection mechanism schematic drawing for the utility model;
[0021] Figure 6 It is guiding mechanism schematic drawing for the utility model.
[0022] Reference signs:
[0023] 100, supporting mechanism, 110, rotary table, 120, axle sleeve,
[0024] 200, erect mechanism, 210, V-shaped block, 220, ladder surface,
[0025] 300, leveling mechanism, 310, T-shaped plate, 320, plate sleeve, 330, threaded rod, 340, iron ruler,
[0026] 400, detection mechanism, 410, rod frame, 420, rod sleeve, 430, laser displacement sensor,
[0027] 500, guiding mechanism, 510, hexagonal frame, 520, guide plate,
[0028] 600, rubber pad,
[0029] 700, pull rod,
[0030] 800, push plate. DETAILED DESCRIPTION
[0031] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further explained in detail below in combination with specific embodiments and referring to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.
[0032] It is understood that the description is only exemplary and is not intended to limit the scope of the utility model.
[0033] Some embodiments of the utility model provide a connecting rod cracking tank offset detection device, which is described below in combination with the drawings.
[0034] Embodiment one:
[0035] In combination with Figures 1-6 The utility model provides a connecting rod cracking tank offset detection device, which comprises a supporting mechanism 100, a lifting mechanism 200, a leveling mechanism 300 and a detection mechanism 400, the supporting mechanism 100 comprises a turntable 110, a shaft sleeve 120 connected with the bottom of the turntable 110,
[0036] The lifting mechanism 200 comprises a plurality of V-shaped blocks 210 fitted on the top of the turntable 110, two stepped surfaces 220 symmetrically arranged on the inner side walls of the V-shaped blocks 210,
[0037] The leveling mechanism 300 comprises a T-shaped plate 310 connected with the V-shaped blocks 210 close to the outer edge of the turntable 110, a plate sleeve 320 movably sleeved on the outer side of the T-shaped plate 310, a threaded rod 330 screwed with the plate sleeve 320, and an iron ruler 340 inserted with the turntable 110, the bottom end of the plate sleeve 320 is fixedly connected with the top of the turntable 110, and the inner end of the threaded rod 330 is in interference fit with one side wall of the T-shaped plate 310,
[0038] The detection mechanism 400 comprises a rod holder 410 arranged on one side of the turntable 110, a rod sleeve 420 slidably connected with the rod holder 410, and a laser displacement sensor 430 connected with the bottom end of the rod sleeve 420.
[0039] Further, the plurality of V-shaped blocks 210 are arranged in groups, and the plurality of V-shaped blocks 210 are arranged in a hexagonal shape at equal intervals, which can distinguish the connecting rods to be detected placed on the turntable 110.
[0040] Further, the plurality of V-shaped blocks 210 close to the outer edge of the turntable 110 are each provided with a pull rod 700, and the outer end of the pull rod 700 is machined into a spherical surface, so that the pull rod 700 can be used to easily lift the V-shaped blocks 210 close to the outer edge of the turntable 110, thereby improving the use comfort of the device.
[0041] Embodiment two:
[0042] In combination Figure 1 And Figure 6 As shown in the embodiment, the top of the rotating disc 110 is provided with a guide mechanism 500, the guide mechanism 500 comprises a hexagonal frame 510 fixedly connected with the top of the rotating disc 110, and a plurality of guide plates 520 connected with a plurality of side edges of the hexagonal frame 510, the bottom of the guide plate 520 is connected with the top of the rotating disc 110, and a plurality of V-shaped blocks 210 close to the center of the rotating disc 110 are respectively slidably sleeved on the top of the plurality of guide plates 520, the guide plate 520 is arranged, when moving close to the V-shaped block 210 in the rotating disc 110, it can ensure that the two V-shaped blocks 210 in each group can always be located on the same axis, and ensure that the connecting rod can be smoothly fixed.
[0043] Further, the top of the guide plate 520 is attached with a push plate 800, the outer end of the push plate 800 is connected with the inner side of the V-shaped block 210 close to the center of the rotating disc 110, and the push plate 800 is arranged to facilitate the displacement of the V-shaped block 210 close to the center of the rotating disc 110.
[0044] Embodiment three:
[0045] In combination Figure 1 As shown in the above embodiment, a plurality of rubber pads 600 are mounted in the inner side of the stepped surface 220, and the vertical section of the rubber pad 600 is arranged in a trapezoidal shape, and the rubber pad 600 is arranged to realize the clamping of the connecting rod without damage.
[0046] The working principle and use process of the utility model: when the device is put into practical use, the connecting rod is placed between a group of V-shaped blocks 210, then the large hole is inward and the small hole is outward, the large hole end is clamped by the V-shaped block 210 close to the center of the rotating disc 110, and the small hole end is clamped by the V-shaped block 210 close to the edge position of the rotating disc 110, then in order to make the connecting rod horizontally placed, the iron ruler 340 is attached to the center position of the connecting rod, then the V-shaped block 210 close to the edge position of the rotating disc 110 is lifted, then the V-shaped block 210 props up the small hole end, until the iron ruler 340 is parallel to the top of the rotating disc 110, then the threaded rod 330 is tightened, thereby completing the adjustment operation, then the above steps are repeated, and the remaining groups of V-shaped blocks 210 are adjusted, then when measuring, the rod sleeve 420 is translated along the rod support 410, then the laser displacement sensor 430 follows the movement, when the two laser displacement sensors 430 are located at both ends of the cracking groove, the two laser displacement sensors 430 cooperate to complete the full-length scanning of the cracking groove, then the offset direction and value are judged according to the symmetry difference of the signals of the two laser displacement sensors 430, and the digital offset value is directly output, without complex image processing algorithm, so that the detection efficiency is improved.
[0047] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A connecting rod split tank offset detection device characterized by, The utility model relates to a kind of support mechanism (100), which includes rotating disc (110), sleeve (120) being connected with the bottom of rotating disc (110); Raising mechanism (200) includes multiple V-shaped blocks (210) that fit on the top of rotating disc (110), two stepped surfaces (220) symmetrically arranged on the inner side wall of V-shaped block (210); Leveling mechanism (300) includes T-shaped plate (310) connected with V-shaped block (210) close to the outer edge of rotating disc (110), plate sleeve (320) movably sleeved on the outer side of T-shaped plate (310), threaded rod (330) screwed with plate sleeve (320), iron ruler (340) inserted with rotating disc (110), the bottom of plate sleeve (320) is fixedly connected with the top of rotating disc (110), the inner end of threaded rod (330) is interference-fitted with one side wall of T-shaped plate (310); Detection mechanism (400) includes rod holder (410) arranged on one side of rotating disc (110), rod sleeve (420) slidingly connected with rod holder (410), laser displacement sensor (430) connected with the bottom end of rod sleeve (420). Multiple V-shaped blocks (210) are arranged in pairs, multiple groups are arranged, multiple V-shaped blocks (210) are arranged at equal intervals in a hexagonal arrangement.
2. A connecting rod split tank offset detection device according to claim 1, characterized in that, The top of rotating disc (110) is provided with guiding mechanism (500), which includes hexagonal frame (510) fixedly connected with the top of rotating disc (110), guide plate (520) connected with multiple side edges of hexagonal frame (510), the bottom of guide plate (520) is connected with the top of rotating disc (110), multiple V-shaped blocks (210) close to the center of rotating disc (110) are slidingly sleeved on the top of multiple guide plates (520) respectively.
3. A connecting rod split tank offset detection device according to claim 1, characterized in that, Multiple rubber pads (600) are installed on the inner side of stepped surface (220), and the vertical section of rubber pad (600) is arranged in trapezoidal shape.
4. A connecting rod split tank offset detection device according to claim 1, characterized in that, Multiple V-shaped blocks (210) close to the outer edge of rotating disc (110) are provided with pull rod (700) on the outer side, and the outer end of pull rod (700) is processed into spherical surface.
5. A connecting rod split tank offset detection device according to claim 1, wherein The top of guide plate (520) is fitted with push plate (800), and the outer end of push plate (800) is connected with the inner side of V-shaped block (210) close to the center of rotating disc (110).
6. A connecting rod split tank offset detection device according to claim 3, characterized in that,
Citation Information
Patent Citations
Connecting rod cracking groove deviation detection device
CN212340170U