Crankshaft connecting rod neck roundness measuring device

Abstract

The utility model provides a crankshaft connecting rod neck roundness measuring device comprising a pedestal, the upper end face of the pedestal is fixedly provided with two mutually symmetrical support blocks, and the two support blocks are jointly provided with an adjusting assembly; a clamping rotating assembly; the clamping and rotating assembly comprises a supporting block fixedly installed on the upper end face of the base, a circular groove is formed in the supporting block, a disc is rotationally connected into the circular groove, a rotating motor is fixedly installed on the side wall of the supporting block, and a motor shaft of the rotating motor rotationally penetrates through the supporting block and is fixedly connected to the disc. A C-shaped block is fixedly installed on the side wall of the disc, and two symmetrical sliding blocks are slidably connected into the C-shaped block. According to the utility model, crankshaft connecting rods of different specifications can be rapidly clamped and conveniently rotated, so that a worker can conveniently measure the two ends of the crankshaft connecting rods, and the detection device can adapt to the crankshaft connecting rods of different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of crankshaft connecting rod measurement, in particular to a crankshaft connecting rod neck roundness measuring device. Background Art

[0002] The crankshaft and connecting rod are key components in the engine. Their main function is to convert the reciprocating motion of the piston into the rotational motion of the crankshaft, thereby driving the vehicle. The crankshaft and connecting rod are generally composed of connecting rod, connecting rod bearing, crankshaft, crankshaft bearing, etc., among which the connecting rod and crankshaft are two key parts.

[0003] The existing measuring device can only measure one end and cannot quickly flip the crankshaft connecting rod to measure the other end. At the same time, the measuring device cannot be adjusted and cannot measure crankshaft connecting rods of different specifications. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a crankshaft connecting rod neck roundness measuring device.

[0005] The embodiment of the present utility model provides a crankshaft connecting rod neck roundness measuring device, comprising:

[0006] A base, wherein two mutually symmetrical support blocks are fixedly mounted on the upper end surface of the base, and an adjustment assembly is mounted on the two support blocks;

[0007] The cam is fixedly mounted on the side wall of the support block, and the motor shaft of the rotating motor rotates through the support block and is fixedly connected to the disk. A C-shaped block is fixedly mounted on the side wall of the disk, and two symmetrical sliders are slidably connected in the C-shaped block, and one end of the two sliders is commonly threaded through a bidirectional screw, and both ends of the bidirectional screw are rotatably connected in the C-shaped block, and one end of the two sliders is commonly slid through a sliding rod, and the two ends of the sliding rod are respectively fixedly connected to the inner walls of the two ends of the C-shaped block, and the ends of the two sliders away from the C-shaped block are fixedly mounted with clamping blocks.

[0008] Furthermore, the adjustment assembly includes two sliding slots opened on the two support blocks, and sliding blocks are slidably connected in the two sliding slots, one end of one of the sliding blocks is threadedly penetrated by a threaded rod, and both ends of the threaded rod are rotatably connected in the sliding slot, and one end of the other sliding block is slidably penetrated by a limiting rod, and both ends of the limiting rod are fixedly connected in the sliding slot, a rotating motor is fixedly installed on the upper end surface of one of the support blocks, and the motor shaft of the rotating motor rotates through the support block and is fixedly connected to one end of the threaded rod, one end of the two sliding blocks is commonly fixedly connected to a lifting block, and two mutually symmetrical extension blocks are fixedly installed on the lower end surface of the lifting block, and a telescopic motor is fixedly installed on the side wall of one of the extension blocks, and the output end of the telescopic motor penetrates the extension block and is fixedly connected to a detection device.

[0009] Furthermore, a group of table legs are fixedly mounted on the lower end surface of the base, and anti-slip patterns are mounted on the lower end surfaces of the group of table legs.

[0010] Furthermore, a knob is installed on the upper end surface of the C-shaped block, and the output end of the knob rotates through the C-shaped block and is fixedly connected to one end of the bidirectional screw.

[0011] Furthermore, a protective layer is installed on one side wall of the two clamping blocks that are close to each other.

[0012] Furthermore, a limit rod is slidably passed through the detection device, and both ends of the limit rod are fixedly connected to the side walls of the two extension blocks respectively.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The utility model can clamp crankshafts and connecting rods of different specifications quickly and stably through the clamping and rotating components, and can flip them conveniently to facilitate the staff to carry out inspection work. At the same time, the inspection equipment can be adjusted through the adjustment components to adapt to crankshafts and connecting rods of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The figure is a schematic diagram of the three-dimensional structure of a crankshaft connecting rod neck roundness measuring device described in an embodiment of the present utility model.

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of a clamping rotating assembly of a crankshaft connecting rod neck roundness measuring device described in an embodiment of the present utility model.

[0017] Figure 3 This is a three-dimensional structural cross-sectional view of an adjustment assembly of a crankshaft connecting rod neck roundness measuring device described in an embodiment of the present utility model.

[0018] In the above drawings: 1 base, 2 support block, 3 support block, 4 circular groove, 5 disc, 6 C-shaped block, 7 slider, 8 bidirectional screw, 9 slide rod, 10 clamping block, 11 sliding groove, 12 sliding block, 13 threaded rod, 14 limiting rod, 15 rotating motor, 16 lifting block, 17 extension block, 18 telescopic motor, 19 detection equipment, 20 table leg, 21 knob, 22 limit rod, 23 rotating motor. DETAILED DESCRIPTION

[0019] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0020] like Figure 1-Figure 3 As shown, the embodiment of the present invention provides a crankshaft connecting rod neck roundness measuring device, comprising:

[0021] The base 1 has a group of table legs 20 fixedly mounted on the lower end surface of the base 1, and anti-slip grooves are installed on the lower end surfaces of the group of table legs 20. The staff can stably place the device in the designated position through the table legs 20 and the anti-slip grooves. Two symmetrical support blocks 2 are fixedly mounted on the upper end surface of the base 1, and an adjustment component is installed together with the two support blocks 2. The adjustment component includes two sliding grooves 11 opened on the two support blocks 2, and sliding blocks 12 are slidably connected in the two sliding grooves 11. One end of one of the sliding blocks 12 is threadedly penetrated by a threaded rod 13, and both ends of the threaded rod 13 are rotatably connected in the sliding groove 11. One end of the other sliding block 12 slides through a limiting rod 14, and both ends of the limiting rod 14 are fixedly connected in the sliding groove 11. A rotating motor 15 is fixedly mounted on the upper end surface of one of the support blocks 2. The rotating motor 15 is a prior art that can rotate an object connected to its motor shaft. The motor shaft of the rotating motor 15 rotates and penetrates the support block 2 and is fixedly connected to one end of the threaded rod 13;

[0022] One end of the two sliding blocks 12 is fixedly connected to a lifting block 16, and two symmetrical extension blocks 17 are fixedly installed on the lower end surface of the lifting block 16. A telescopic motor 18 is fixedly installed on the side wall of one of the extension blocks 17. The telescopic motor 18 is a prior art, and its output end can drive the connected object to move. The output end of the telescopic motor 18 passes through the extension block 17 and is fixedly connected to a detection device 19. The detection device 19 is a prior art and can perform roundness measurement. No more details are given here. The detection device 19 slides through a limit rod 22, and the two ends of the limit rod 22 are respectively fixedly connected to the side walls of the two extension blocks 17. Through the limit rod 22, the detection device 19 can be adjusted more stably.

[0023] The clamping rotating assembly includes a support block 3 fixedly mounted on the upper end surface of the base 1, a circular groove 4 is opened on the support block 3, a disc 5 is rotatably connected in the circular groove 4, a rotating motor 23 is fixedly mounted on the side wall of the support block 3, the rotating motor 23 is a prior art, which can make the object connected to its motor shaft rotate, the motor shaft of the rotating motor 23 rotates through the support block 3 and is fixedly connected to the disc 5, a C-shaped block 6 is fixedly mounted on the side wall of the disc 5, and two symmetrical sliders 7 are slidably connected in the C-shaped block 6, and one end of the two sliders 7 is threaded with a bidirectional screw 8, which is a prior art, which can make the object connected thereto rotate. The two objects move in different directions, and both ends of the bidirectional screw 8 are rotatably connected in the C-shaped block 6. A knob 21 is installed on the upper end surface of the C-shaped block 6. The output end of the knob 21 rotates through the C-shaped block 6 and is fixedly connected to one end of the bidirectional screw 8. Rotating the knob 21 can easily rotate the bidirectional screw 8. One end of the two sliders 7 slides together and passes through the slide rod 9. The two ends of the slide rod 9 are respectively fixedly connected to the inner walls of the two ends of the C-shaped block 6. The two sliders 7 are fixedly installed with clamping blocks 10 on the ends away from the C-shaped block 6. A protective layer is installed on the side wall where the two clamping blocks 10 are close to each other. The protective effect of the protective layer can reduce the damage to the crankshaft connecting rod.

[0024] The detailed working process of this utility model is as follows:

[0025] The staff first places the device, then takes out the crankshaft connecting rod and rotates the knob 21, driving the bidirectional screw 8 to rotate, driving the two sliders 7 and the clamping block 10 to approach each other and stably clamp the crankshaft connecting rod, then the staff turns on the rotating motor 15, drives the threaded rod 13 to rotate, causes the sliding block 12 to descend, drives the lifting block 16 to descend, then turns on the telescopic motor 18 to adjust it to the appropriate position, and turns on the detection equipment 19 for detection, then repeats the above operation in reverse, returns the device to its original position, and turns on the rotating motor 23, drives the disc 5 to rotate in the circular groove 4, thereby flipping the crankshaft connecting rod, repeats the above operation to complete the detection of the other end.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A crankshaft connecting rod neck roundness measuring device, characterized in that: include: A base (1), wherein two mutually symmetrical support blocks (2) are fixedly mounted on the upper end surface of the base (1), and an adjustment component is mounted on the two support blocks (2); A clamping rotation assembly; the clamping rotation assembly includes a support block (3) fixedly mounted on a base (1), a circular groove (4) being formed on the support block (3), a disc (5) being rotatably connected in the circular groove (4), a rotating motor (23) being fixedly mounted on the side wall of the support block (3), a motor shaft of the rotating motor (23) being rotatably passed through the support block (3) and being fixedly connected to the disc (5), a C-shaped block (6) being fixedly mounted on the side wall of the disc (5), two mutually symmetrical sliders (7) being slidably connected in the C-shaped block (6), one end of the two sliders (7) being threadedly passed through a bidirectional screw (8), both ends of the bidirectional screw (8) being rotatably connected in the C-shaped block (6), one end of the two sliders (7) being slidably passed through a slide rod (9), both ends of the slide rod (9) being fixedly connected to the inner walls of both ends of the C-shaped block (6), and one end of the two sliders (7) being away from the C-shaped block (6) being fixedly mounted with a clamping block (10).

2. The crankshaft connecting rod journal roundness measuring device according to claim 1, characterized in that: The adjustment assembly comprises two sliding grooves (11) opened on two support blocks (2), and a sliding block (12) is slidably connected in each of the two sliding grooves (11), one end of one of the sliding blocks (12) is threadedly penetrated by a threaded rod (13), and both ends of the threaded rod (13) are rotatably connected in the sliding groove (11), and one end of the other sliding block (12) is slidably penetrated by a limiting rod (14), and both ends of the limiting rod (14) are fixedly connected in the sliding groove (11), and one of the support blocks (2) is fixedly A rotating motor (15) is installed, and the motor shaft of the rotating motor (15) rotates through the support block (2) and is fixedly connected to one end of the threaded rod (13). One end of the two sliding blocks (12) is fixedly connected to a lifting block (16). Two mutually symmetrical extension blocks (17) are fixedly installed on the lifting block (16). A telescopic motor (18) is fixedly installed on the side wall of one of the extension blocks (17). The output end of the telescopic motor (18) passes through the extension block (17) and is fixedly connected to a detection device (19).

3. The crankshaft connecting rod journal roundness measuring device according to claim 1, characterized in that: A set of table legs (20) is fixedly mounted on the base (1), and each set of table legs (20) is provided with anti-slip patterns.

4. The crankshaft connecting rod journal roundness measuring device according to claim 1, characterized in that: A knob (21) is mounted on the C-shaped block (6), and the output end of the knob (21) rotates through the C-shaped block (6) and is fixedly connected to one end of the bidirectional screw (8).

5. The crankshaft connecting rod journal roundness measuring device according to claim 1, characterized in that: A protective layer is installed on one side wall of the two clamping blocks (10) that are close to each other.

6. The crankshaft connecting rod journal roundness measuring device according to claim 2, characterized in that: The detection device (19) slides through a limit rod (22), and both ends of the limit rod (22) are fixedly connected to the side walls of the two extension blocks (17).

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