Device for measuring size of small end of connecting rod

Abstract

The utility model discloses a size measuring device for a small end of a connecting rod, and relates to the technical field of detection equipment. Comprising a workbench, an adjusting mechanism is arranged above the workbench, a position degree detection mechanism is arranged on the inner side of the adjusting mechanism, a second limiting slide way is formed in the workbench, the adjusting mechanism comprises an adjusting frame, the position degree detection mechanism comprises an angle measuring plate and a distance detection plate, and a tensioning mechanism is arranged on the distance detection plate. The device is compact in structure, position movement can be conveniently carried out according to use requirements, the whole measurement process is smoother and easy to operate by introducing the adjusting mechanism, the position degree detection mechanism and a tensioning mechanism in the position degree detection mechanism and combining the design of a first limiting slide way, a second limiting slide way and the like, a user does not need to have highly professional skills, and the measurement efficiency is improved. Therefore, the device can be quickly operated and accurately measured. By adopting the design of the angle observation hole, the angle pointer, the spacing measurement scales, the position pointer and the like, the reading of the measurement result is more visual and accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field especially relates to a connecting rod small head size measuring equipment. BACKGROUND

[0002] Connecting rod, as the key component in mechanical transmission mechanism, especially in automobile engine, plays a vital role, its main function is to convert the reciprocating linear motion of piston into the rotary motion of crankshaft, simultaneously, the force borne by piston is transmitted to crankshaft, thereby realizing the output of power. The connecting rod small head is mostly thin-walled ring structure, in order to reduce the wear between piston pin, thin-walled bronze bushing is usually pressed into small head hole. The small head hole bottom hole position degree is to ensure that the bushing can be correctly pressed in subsequent processing, and the copper base of the bushing after finishing is uniform. Therefore, the detection of the small head position degree is particularly important. If the position degree of small head hole is unqualified, it may cause the bushing to be pressed in incorrectly, thereby affecting the overall performance and service life of connecting rod.

[0003] In the existing detection technology, the detection of the small head position degree of connecting rod usually depends on three coordinate measuring machines and other professional instruments, however, these instruments are often bulky, and it is extremely inconvenient to use, and the existing device usually needs professional personnel to operate, and the operation is cumbersome. Therefore, the present application scheme proposes a connecting rod small head size measuring equipment to solve the above problems. UTILITARIAN CONTENT

[0004] The utility model aims at providing a connecting rod small head size measuring equipment, which solves the technical problems proposed in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a connecting rod small head size measuring equipment, including workbench, the upper portion of workbench is provided with adjusting mechanism, the inner side of adjusting mechanism is provided with position degree detection mechanism, the workbench is opened in limit slide no.

[0006] The adjusting mechanism includes adjusting frame, and the left side end of the position degree detection mechanism is located in the adjusting frame.

[0007] The position degree detection mechanism comprises an angle measurement plate, a left end of the angle measurement plate is in sliding connection with a left inner wall of an adjusting frame, an upper inner wall of the adjusting frame is fixedly connected with a limiting slide rod, a lower end of the limiting slide rod penetrates through the angle measurement plate and is fixedly connected with a lower inner wall of the adjusting frame, the limiting slide rod is in sliding connection with the angle measurement plate, a second abutting spring is sleeved on the limiting slide rod, upper and lower ends of the second abutting spring are fixedly connected with the upper inner wall of the adjusting frame and an upper end of the angle measurement plate respectively, a spacing detection plate is rotatably connected to the angle measurement plate, a moving slide is formed in the spacing detection plate, a tensioning mechanism is arranged on the spacing detection plate, and a lower end of the tensioning mechanism extends to an inner side of the limiting slide.

[0008] Preferably, the tensioning mechanism comprises a sliding frame, the sliding frame is sleeved on the spacing detection plate and is in sliding connection with the spacing detection plate, a second adjusting knob is arranged above the spacing detection plate, a tensioning lead screw is fixedly connected to a lower end of the second adjusting knob, the tensioning lead screw penetrates through the sliding frame and extends below the sliding frame, a bottom plate is rotatably connected to a lower end of the tensioning lead screw, tensioning limiting rods are symmetrically arranged on left and right sides of the lower end of the sliding frame, upper ends of the tensioning limiting rods are in sliding connection with the lower end of the sliding frame, a connecting groove is arranged on one side of the two tensioning limiting rods close to the tensioning lead screw, a tensioning rod is hinged in the connecting groove, and a distal end of the tensioning rod away from the tensioning limiting rod is hinged to an outer end of the bottom plate.

[0009] The tensioning lead screw and the tensioning limiting rods are located on the inner side of the limiting slide, and the tensioning lead screw is located on the inner side of the moving slide.

[0010] Preferably, an angle observation hole is formed in the spacing detection plate, an angle measurement scale is arranged on the angle measurement plate, an angle pointer is fixedly connected to an inner side wall of the angle observation hole, and the angle pointer is located above the angle measurement scale.

[0011] Preferably, a spacing measurement scale is arranged on the spacing detection plate, a position observation hole is formed in the sliding frame, a position pointer is fixedly connected to an inner side wall of the position observation hole, and the position pointer is located above the spacing measurement scale.

[0012] Preferably, a first limiting slide is formed in a front side wall of the adjusting frame, two movable blocks are in sliding connection with an inner side of the adjusting frame, a first abutting spring is fixedly connected to an upper end of the movable block, an upper end of the first abutting spring is fixedly connected with an upper inner wall of the adjusting frame, a first adjusting knob is arranged on a front side of the adjusting frame, a rear end of the first adjusting knob is fixedly connected with a bidirectional screw rod, the rear end of the bidirectional screw rod penetrates through the first limiting slide and is rotatably connected with front and rear movable blocks through front and rear end of the movable blocks, and the bidirectional screw rod is rotatably connected with the front movable block.

[0013] Preferably, the bidirectional screw is threadedly connected with two moving plates, the left end of the moving plate abuts against the left inner wall of the adjusting frame, and the right end of the moving plate is fixedly connected with a limiting insertion rod.

[0014] Compared with the related art, the connecting rod small head size measuring equipment has the following beneficial effects:

[0015] 1. The connecting rod small head size measuring equipment has compact structure, is convenient for position moving according to use requirements, and is more smooth and easy to operate in the whole measuring process through the introduction of the adjusting mechanism, the position degree detection mechanism, the tensioning mechanism in the position degree detection mechanism, and the design of the limiting slide one and the limiting slide two, and the user can quickly start and accurately measure without high professional skills.

[0016] 2. The connecting rod small head size measuring equipment is provided with the angle measuring plate, the spacing detection plate and the tensioning mechanism, and the precise cooperation of these components can ensure high-precision measurement of the connecting rod small head size, and the design of the angle observation hole, the angle pointer, the spacing measurement scale and the position pointer makes the reading of the measurement result more intuitive and accurate.

[0017] 3. The connecting rod small head size measuring equipment is provided with the movable block, the bidirectional screw, the moving plate and the limiting insertion rod in the adjusting mechanism, so that the equipment can be flexibly adjusted according to connecting rods of different sizes, and the universality and adaptability of the equipment are enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an overall structural schematic view of the utility model;

[0019] Figure 2 It is a partial structural schematic view of the utility model; Figure 1 It is an enlarged view of A in the utility model;

[0020] Figure 3 It is a partial structural schematic view of the utility model;

[0021] Figure 4 It is an enlarged view of B in the utility model; Figure 3

[0022] It is an enlarged view of C in the utility model; Figure 5 Figure 3

[0023] Figure 6 It is a structural schematic view of the adjusting mechanism of the utility model;

[0024] Figure 7 It is a structural schematic view of the tensioning mechanism of the utility model; ​​

[0025] Figure 8 It is the use state structure schematic view of the utility model;

[0026] Figure 9 It is the position structure schematic view of the limiting inserting rod and the connecting rod body of the utility model;

[0027] Figure 10 It is the three-dimensional structure schematic view of the connecting rod body of the utility model.

[0028] In the drawing: 1, workbench;2, adjusting frame;3, movable block;4, abutting spring one;5, adjusting knob one;6, bidirectional screw;7, moving plate;8, limiting inserting rod;9, limiting slide one;10, limiting slide two;11, angle measuring plate;12, limiting slide rod;13, abutting spring two;14, spacing detection plate;15, angle observation hole;16, angle pointer;17, moving slide;18, sliding frame;19, adjusting knob two;20, tensioning screw;21, tensioning limiting rod;22, bottom plate;23, connecting groove;24, tensioning rod;25, connecting rod body;26, connecting hole;27, position to be detected hole;28, position observation hole;29, position pointer. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] Embodiment:

[0031] Please refer to Figure 1 - Figure 10 The utility model provides a technical scheme: a connecting rod small head size measuring equipment, including workbench 1, the upper portion of workbench 1 is provided with adjusting mechanism, the inner side of adjusting mechanism is provided with position degree detection mechanism, and the limiting slide two 10 is set in workbench 1;

[0032] Adjusting mechanism includes adjusting frame 2, and the left side end of position degree detection mechanism is located in adjusting frame 2;

[0033] The position degree detection mechanism comprises an angle measurement plate 11, the left end of the angle measurement plate 11 is in sliding connection with the left inner wall of the adjusting frame 2, the upper inner wall of the adjusting frame 2 is fixedly connected with a limiting slide rod 12, the lower end of the limiting slide rod 12 penetrates through the angle measurement plate 11 and is fixedly connected with the lower inner wall of the adjusting frame 2, the limiting slide rod 12 is in sliding connection with the angle measurement plate 11, the limiting slide rod 12 is sleeved with an abutting spring two 13, the upper and lower ends of the abutting spring two 13 are fixedly connected with the upper inner wall of the adjusting frame 2 and the upper end of the angle measurement plate 11 respectively, the angle measurement plate 11 is rotationally connected with a spacing detection plate 14, the spacing detection plate 14 is provided with a moving slide 17, the spacing detection plate 14 is provided with a tensioning mechanism, the lower end of the tensioning mechanism extends to the inner side of the limiting slide two 10, after the tensioning mechanism is matched with the position hole 27 to be detected, the spacing detection plate 14 will change according to the position of the position hole 27 to be detected, so as to facilitate the detection of the angle of the position hole 27 to be detected.

[0034] The tensioning mechanism comprises a sliding frame 18, the sliding frame 18 is sleeved on the spacing detection plate 14 and is in sliding connection with the spacing detection plate 14, the spacing detection plate 14 is provided with an adjusting knob two 19 above, the lower end of the adjusting knob two 19 is fixedly connected with a tensioning lead screw 20, the lower end of the tensioning lead screw 20 penetrates through the sliding frame 18 and extends below the sliding frame 18, the lower end of the tensioning lead screw 20 is rotationally connected with a bottom plate 22, the lower end of the sliding frame 18 is symmetrically provided with a tensioning limiting rod 21 on the left and right sides, the upper end of the tensioning limiting rod 21 is in sliding connection with the lower end of the sliding frame 18, one side of the two tensioning limiting rods 21 close to the tensioning lead screw 20 is provided with a connecting groove 23, the connecting groove 23 is hinged with a tensioning rod 24, the end of the tensioning rod 24 away from the tensioning limiting rod 21 is hinged with the outer end of the bottom plate 22; the tensioning lead screw 20 and the tensioning limiting rod 21 are located in the inner side of the limiting slide two 10, the tensioning lead screw 20 is located in the inner side of the moving slide 17, the distance between the two limiting insertion rods 8 is adjusted according to the distance between the two connecting holes 26 on the connecting rod body 25 during use, the adjusting knob one 5 is rotated during use, the bidirectional screw rod 6 is driven to rotate, and the distance between the two moving plates 7 and the two limiting insertion rods 8 is adjusted, and the two limiting insertion rods 8 are located on the left side of the two connecting holes 26 respectively, and then the operation is paused;

[0035] In use, the position degree detection mechanism is lifted up, the connecting rod body 25 is placed on the workbench 1, and the tensioning mechanism is slid, and when the tensioning mechanism is located above the to-be-detected position hole 27 on the connecting rod body 25, the position degree detection mechanism is lowered, the lower end of the tensioning mechanism passes through the to-be-detected position hole 27 and the limiting slide way two 10, and extends to below the workbench 1; the connecting rod body 25 is moved, the two limiting insertion rods 8 are inserted into the connecting holes 26, the adjusting knob one 5 is rotated again, the position of the connecting rod body 25 is limited by cooperation of the two limiting insertion rods 8 and the workbench 1, the adjusting knob two 19 is rotated to drive the tensioning lead screw 20 to rotate, the bottom plate 22 is moved upwards while the tensioning lead screw 20 rotates, the two tensioning rods 24 stretch the two tensioning limiting rods 21 to two sides, and the position of the tensioning mechanism is fixed by cooperation of the two tensioning limiting rods 21 and the inner side wall of the to-be-detected position hole 27;

[0036] The distance detection plate 14 is provided with an angle observation hole 15, the angle measurement plate 11 is provided with an angle measurement scale, and the inner side wall of the angle observation hole 15 is fixedly connected with an angle pointer 16, the angle pointer 16 is located above the angle measurement scale, and the angle scale line corresponding to the angle pointer 16 can be observed through the angle observation hole 15;

[0037] The distance detection plate 14 is provided with a distance measurement scale, the sliding frame 18 is provided with a position observation hole 28, the inner side wall of the position observation hole 28 is fixedly connected with a position pointer 29, and the position pointer 29 is located above the distance measurement scale; after the position of the connecting rod is fixed by cooperation of the tensioning mechanism and the two limiting insertion rods 8, the position scale corresponding to the position pointer 29 can be observed through the position observation hole 28;

[0038] The front side wall of the adjusting frame 2 is provided with a limiting slide way one 9, the inner side of the adjusting frame 2 is slidably connected with two movable blocks 3, the upper end of the movable block 3 is fixedly connected with an abutting spring one 4, the upper end of the abutting spring one 4 is fixedly connected with the upper inner wall of the adjusting frame 2, the front side of the adjusting frame 2 is provided with an adjusting knob one 5, the rear side end of the adjusting knob one 5 is fixedly connected with a bidirectional screw rod 6, the rear side end of the bidirectional screw rod 6 passes through the limiting slide way one 9 and is rotatably connected with the front side end of the front side movable block 3 and the rear side movable block 3, and the bidirectional screw rod 6 is rotatably connected with the front side movable block 3.

[0039] The bidirectional screw rod 6 is threadedly connected with two moving plates 7, the left side end of the moving plate 7 abuts against the left inner wall of the adjusting frame 2, and the right side end of the moving plate 7 is fixedly connected with a limiting insertion rod 8; in use, the position of the two limiting insertion rods 8 is adjusted by the bidirectional screw rod 6, so that the device can be flexibly adjusted according to connecting rods of different sizes, and the universality and adaptability of the equipment are enhanced.

[0040] Working principle: in use, the position degree detection mechanism is lifted up, the connecting rod body 25 is placed on the workbench 1, and the tensioning mechanism is slid, when the tensioning mechanism is located above the position hole 27 of the connecting rod body 25 to be detected, the position degree detection mechanism is put down, the lower end of the tensioning mechanism passes through the position hole 27 to be detected and the limiting slide 2 10, and extends to below the workbench 1, at this time, the rotating adjusting knob 1 5 drives the bidirectional screw rod 6 to rotate, the distance between the two moving plates 7 is adjusted, when the two limiting rods 8 are located on the left side of the two connecting holes 26, the rotation is paused, then the connecting rod body 25 is moved, the two limiting rods 8 are inserted into the connecting holes 26, the rotating adjusting knob 1 5 is rotated again, the position of the connecting rod body 25 is limited by the cooperation of the two limiting rods 8 and the workbench 1, the rotating adjusting knob 2 19 drives the tensioning screw rod 20 to rotate, the bottom plate 22 is moved upwards while the tensioning screw rod 20 rotates, the two tensioning rods 24 stretch the two tensioning limiting rods 21 to the two sides, the position of the tensioning mechanism is fixed by the cooperation of the two tensioning limiting rods 21 and the inner wall of the position hole 27 to be detected, the tensioning screw rod 20 is coaxially arranged with the position hole 27 to be detected, at this time, the angle scale line corresponding to the angle pointer 16 can be observed through the angle observation hole 1 5, the position scale corresponding to the position pointer 29 can be observed through the position observation hole 2 8, and then the position degree of the position hole 27 to be detected is obtained.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A connecting rod small end size measuring apparatus comprising a worktable (1), characterized in that: The upper side of the workbench (1) is provided with an adjusting mechanism, the inner side of the adjusting mechanism is provided with a position detection mechanism, and the workbench (1) is provided with a limiting sliding channel two (10). The adjusting mechanism comprises an adjusting frame (2), and the left side end of the position detection mechanism is located in the adjusting frame (2). The position detection mechanism comprises an angle measuring plate (11), the left side end of the angle measuring plate (11) is in sliding connection with the left side inner wall of the adjusting frame (2), the upper side inner wall of the adjusting frame (2) is fixedly connected with a limiting sliding rod (12), the lower end of the limiting sliding rod (12) penetrates through the angle measuring plate (11) and is fixedly connected with the lower side inner wall of the adjusting frame (2), the limiting sliding rod (12) is in sliding connection with the angle measuring plate (11), a second abutting spring (13) is sleeved on the limiting sliding rod (12), the upper and lower ends of the second abutting spring (13) are fixedly connected with the upper side inner wall of the adjusting frame (2) and the upper end of the angle measuring plate (11) respectively, a spacing detection plate (14) is rotatably connected to the angle measuring plate (11), a moving sliding channel (17) is formed in the spacing detection plate (14), and a tensioning mechanism is arranged on the spacing detection plate (14) and extends to the inner side of the limiting sliding channel two (10).

2. A connecting rod big end size measuring apparatus according to claim 1, characterized in that: The tensioning mechanism comprises a sliding frame (18), the sliding frame (18) is sleeved on the spacing detection plate (14) and is in sliding connection with the spacing detection plate (14), an adjusting knob two (19) is arranged above the spacing detection plate (14), a tensioning lead screw (20) is fixedly connected to the lower end of the adjusting knob two (19), the lower end of the tensioning lead screw (20) penetrates through the sliding frame (18) and extends below the sliding frame (18), a bottom plate (22) is rotatably connected to the lower end of the tensioning lead screw (20), tensioning limiting rods (21) are symmetrically arranged on the left and right sides of the lower end of the sliding frame (18), the upper ends of the tensioning limiting rods (21) are in sliding connection with the lower end of the sliding frame (18), the side, close to the tensioning lead screw (20), of each of the two tensioning limiting rods (21) is provided with a connecting groove (23), a tensioning rod (24) is hinged in the connecting groove (23), and the end, away from the tensioning limiting rod (21), of the tensioning rod (24) is hinged to the outer end of the bottom plate (22). The tensioning lead screw (20) and the tensioning limiting rod (21) are located on the inner side of the limiting sliding channel two (10), and the tensioning lead screw (20) is located on the inner side of the moving sliding channel (17).

3. A connecting rod big end size measuring apparatus according to claim 1, wherein: An angle observation hole (15) is formed in the spacing detection plate (14), an angle measuring scale is arranged on the angle measuring plate (11), and an angle pointer (16) is fixedly connected to the inner side wall of the angle observation hole (15).

4. A connecting rod big end size measuring apparatus according to claim 2, wherein: A spacing measuring scale is arranged on the spacing detection plate (14), a position observation hole (28) is formed in the sliding frame (18), a position pointer (29) is fixedly connected to the inner side wall of the position observation hole (28), and the position pointer (29) is located above the spacing measuring scale.

5. A connecting rod big end size measuring apparatus according to claim 1, wherein: The front side wall of the adjusting frame (2) is provided with a limiting sliding channel I (9), the inner side of the adjusting frame (2) is slidably connected with two movable blocks (3), the upper end of the movable block (3) is fixedly connected with an abutting spring I (4), the upper end of the abutting spring I (4) is fixedly connected with the upper inner wall of the adjusting frame (2), the front side of the adjusting frame (2) is provided with an adjusting knob I (5), the rear side end of the adjusting knob I (5) is fixedly connected with a bidirectional screw rod (6), the rear side end of the bidirectional screw rod (6) penetrates through the limiting sliding channel I (9) and is rotatably connected with the front side end of the front movable block (3) and the rear movable block (3), and the bidirectional screw rod (6) is rotatably connected with the front movable block (3).

6. A connecting rod big end size measuring apparatus according to claim 5, wherein: Two moving plates (7) are threadedly connected on the bidirectional screw rod (6), the left side end of the moving plate (7) abuts against the left inner wall of the adjusting frame (2), and the right side end of the moving plate (7) is fixedly connected with a limiting insertion rod (8).

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