A combined fixture for detecting the installation angle of axle rocker arms

Abstract

This invention provides a combined fixture for detecting the installation angle of a vehicle axle rocker arm, comprising a base and a detection device mounted on the base. The base includes a first base and a second base arranged side by side. The detection device includes a first detection device mounted on the first base and a second detection device mounted on the second base. Both the first and second detection devices include a plurality of detectors connected to them. The first detection device can translate along the width direction of the first base, and the second detection device can translate along the width direction of the second base. The detection fixture of this invention, by setting a manually operated rotating fixture to cooperate with the vehicle frame, allows for on-the-spot adjustment of the fixture position, improving the accuracy of the detection work. Furthermore, it is applicable to the detection of vehicle frames of different models, ensuring the versatility of the detection.

Description

Technical Field

[0001] The invention belongs to the field of detection equipment, and in particular relates to a combined fixture for detecting the installation angle of axle rocker arms. Background Art

[0002] With the rapid development of today's industry, how to effectively improve production efficiency, reduce the labor intensity and difficulty of employees, and improve the quality of products has become a problem that workers have to think about. At this time, a tool "jig" is needed to assist the operation to solve the existing problems. Jigs are a large category of tools for woodworking, ironwork, fitter, machinery, electronic control and some other handicrafts. They are mainly used as a tool to assist in controlling position or movement (or both). Jigs are mainly divided into two types: tooling jigs and inspection jigs. The former is a kind of tooling fixture designed for machining, welding, assembly and other processes to facilitate processing and meet the needs of precision; the latter is used for inspection. Because some mechanical dimensions are not easy to measure and their shapes are complex, special inspection blocks or inspection tools designed for a certain product have to be designed, such as plug gauges, ring gauges and other regular inspection tools, but some are irregular and must be specially designed to measure their dimensions.

[0003] In fact, a fixture is an auxiliary device specially made to solve practical problems or realize a certain function. Its characteristics are: simple structure, wide application, and a wide variety. It can be a piece of iron or a piece of equipment. On the production line, assembly and testing are an indispensable process. Assembly and testing make the data of the workpiece more in line with the data required by production. At present, for some workpieces with complex structures or special positions, such as the rocker arm structure of the frame, there are often many difficulties in their detection. Because the frame is relatively large and is on the production line, it is not convenient to transfer it to the fixture for detection. It can only be moved by the fixture for detection. The angle detection of the rocker arm structure of the frame and the trapezoidal structure composed of the front and rear axles and the steering knuckle arm, the special position of the rocker arm structure of the frame adds a difficulty to the detection. Summary of the invention

[0004] In view of the above-mentioned deficiencies and defects of the prior art, the purpose of the present invention is to provide a combination fixture for detecting the installation angle of the axle rocker arm, so as to solve the technical problems of the detection fixture in the prior art being difficult to detect and inconvenient to use.

[0005] In order to achieve the above-mentioned object, the present application adopts the following technical solution to achieve it: a combined fixture for detecting the installation angle of an axle rocker arm, comprising a base and a detection device installed on the base, the base comprising a first base and a second base arranged side by side, the detection device comprising a first detection device installed on the first base and a second detection device installed on the second base;

[0006] The first detection device and the second detection device each include a plurality of detectors connected to the first detection device and the second detection device, and the detectors can move along the length direction on the first detection device and the second detection device;

[0007] The first detection device can be translated on the first base along the width direction of the first base, and the second detection device can be translated on the second base along the width direction of the second base.

[0008] The present invention also has the following technical features:

[0009] The height of the first base is greater than the height of the second base.

[0010] The first detection device is installed on the first base via a first mounting seat, and the second detection device is installed on the second base via a second mounting seat;

[0011] The first base and the second base are both provided with racks, the first detection device and the second detection device are both provided with gears, and the gears are meshed with the racks.

[0012] The first detection device comprises a plurality of first detection platforms and a plurality of second detection platforms mounted on a first mounting seat;

[0013] The first detection platform comprises a mounting platform connected to the first mounting seat and a first detector connected to the mounting platform;

[0014] The first detector includes a first connecting rod vertically connected to the mounting platform, the top of the first connecting rod is also connected to a second connecting rod, one end of the second connecting rod is connected to the top of the first connecting rod, and the other end is connected to an I-shaped piece, the left and right sides of the I-shaped piece are connected to semicircular connecting pieces, the I-shaped piece is hinged to one end of the detection rod through an axis connected to the semicircular connecting piece, the other end of the detection rod is hinged to one end of the movable rod, the other end of the movable rod is connected to a slider through an axis, the sliders at both ends of the axis are connected to the grooves provided on the first fixed block, and the detection rod is also connected to an I-shaped clip;

[0015] The first detector also includes a second fixed block fixed on the mounting platform, the second fixed block is provided with a threaded hole, a first bolt is fixed in the threaded hole, and the first bolt is connected to one end of the movable rod connected to the slider through a connecting block.

[0016] The second detection platform includes a mounting platform connected to the first mounting seat and a second detector connected to the mounting platform;

[0017] The second detector includes an ear plate connected to the mounting platform and a diverter support hinged on the ear plate;

[0018] The ear plate includes a first fixing plate vertically connected to the mounting platform and second fixing plates vertically connected to both ends of the first fixing plate, respectively, and the second fixing plate is vertically connected to the mounting platform;

[0019] The steering gear support member comprises support plates respectively hinged to the second fixing plates and a steering gear support plate connected between the support plates;

[0020] The steering gear support plate is also connected to a square plate on the side facing the first fixed plate, the square plate is connected to a fixed shaft, the fixed shaft is connected to a first measuring ruler and a second measuring ruler, the first measuring ruler is arranged vertically and cannot rotate, the second measuring ruler can rotate around the fixed shaft, and the second measuring ruler is also installed with an I-shaped clip.

[0021] The fixed shaft is also connected with a dividing plate.

[0022] The second detection device comprises a plurality of third detection platforms mounted on the second mounting seat;

[0023] The third detection platform includes a mounting platform connected to the second mounting seat and a third detector connected to the mounting platform;

[0024] The third detector comprises a fixed bracket vertically connected to the mounting platform, a rotating shaft is installed on the top of the fixed bracket, and a hexagonal handle is installed on the top of the rotating shaft;

[0025] An internal gear is sleeved on the rotating shaft, the internal gear meshes with an external rack, the external rack is arc-shaped, a hollow support frame with the same arc as the external rack is connected to the fixed bracket, one end of the external rack is connected to a square block, the bottom end of the square block is connected to a first straight rod and a second straight rod, the first straight rod and the second straight rod are of the same length and are arranged in parallel;

[0026] The third detector also includes a square card installed on the mounting platform, the square card includes a first card plate and a second card plate connected by a second bolt, the first card plate is connected to the fixed bracket, and a rectangular cavity is formed between the first card plate and the second card plate.

[0027] The first base and the second base are both provided with lead screws, and the first detection device and the second detection device are respectively connected to the lead screws arranged on the first base and the second base.

[0028] Compared with the prior art, the present invention has the following beneficial technical effects:

[0029] (I) The detection fixture of the present invention is matched with the frame by setting a manually operated rotating fixture. On the one hand, the position of the fixture can be adjusted at any time to improve the accuracy of the detection work. On the other hand, it can be applied to the frame detection of different models, ensuring the versatility of the detection.

[0030] (II) The present invention has a simple overall structure, convenient operation and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0032] Figure 2 It is a schematic diagram of the structure of the first detector of the present invention;

[0033] Figure 3 is a schematic diagram of the structure of the second detector of the present invention;

[0034] Figure 4 is a schematic diagram of the structure of the third detector of the present invention;

[0035] Figure 5 This is a schematic diagram of the installation position of the lead screw of the present invention;

[0036] The meanings of the numbers in the figure are: 1-base, 2-detection device, 3-first base, 4-second base, 5-first detection device, 6-second detection device, 7-detector, 8-first mounting seat, 9-second mounting seat, 10-rack, 11-gear, 12-first detection platform, 13-second detection platform, 14-mounting platform, 15-first detector, 16-first connecting rod, 17-second connecting rod, 18-I-shaped piece, 19-semicircular connecting piece, 20-axis, 21-detection rod, 22-movable rod, 23-slider, 24-first fixed block, 25-groove, 26-I-shaped clip, 27-second fixed block, 28-threaded hole, 29-first bolt, 30-connecting block, 31-second Second detector, 32-ear plate, 33-steering gear support, 34-first fixed plate, 35-second fixed plate, 36-support plate, 38-steering gear support plate, 38-square plate, 39-fixed shaft, 40-first measuring ruler, 41-second measuring ruler, 42-clip, 43-dividing plate, 44-third detection platform, 45-third detector, 46-fixed bracket, 47-rotating shaft, 48-hexagonal handle, 49-inner gear, 50-outer rack, 51-hollow support frame, 52-square block, 53-first straight rod, 54-second straight rod, 55-square clamp, 56-second bolt, 57-first clamp plate, 58-second clamp plate, 59-rectangular cavity, 60-screw, 61-screw handle.

[0037] The specific contents of the present invention are further explained in detail below in conjunction with the drawings and embodiments. DETAILED DESCRIPTION

[0038] Specific embodiments of the present invention are given below. It should be noted that the present invention is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solution of this application fall within the protection scope of the present invention.

[0039] Embodiment 1:

[0040] Following the above technical solution, Figure 1 to Figure 4 As shown, this embodiment provides a combined fixture for detecting the installation angle of an axle rocker arm, including a base 1 and a detection device 2 installed on the base 1, wherein the base 1 includes a first base 3 and a second base 4 arranged side by side, and the detection device 2 includes a first detection device 5 installed on the first base 3 and a second detection device 6 installed on the second base 4; the first base 3 and the second base 4 are at different heights.

[0041] The first detection device 5 can be translated on the first base 3 along the width direction of the first base 3, and the second detection device 6 can be translated on the second base 4 along the width direction of the second base 4. The position of the detection device 2 can be adjusted at any time, which improves the accuracy of the detection work, is applicable to the frame detection of different models, and ensures the versatility of the detection.

[0042] As a preferred embodiment of the present invention, the height of the first base 3 is greater than the height of the second base 4. The heights of the first base 3 and the second base 4 relative to the frame are inconsistent, which facilitates measurement.

[0043] As a preferred embodiment of the present invention, the first detection device 5 is mounted on the first base 3 via the first mounting seat 7, and the second detection device 6 is mounted on the second base 4 via the second mounting seat 9;

[0044] The first base 3 and the second base 4 are both provided with a rack 10, and the first detection device 5 and the second detection device 6 are both provided with a gear 11, and the gear 11 is meshed with the rack 10. The arrangement of the gear 11 and the rack 10 can drive the first detection device 5 and the second detection device 6 to move, so as to facilitate the measurement.

[0045] As a preferred embodiment of this embodiment, the first detection device 5 includes a plurality of first detection platforms 12 and a plurality of second detection platforms 13 mounted on the first mounting seat 7;

[0046] The first detection platform 12 includes a mounting platform 14 connected to the first mounting seat 7 and a first detector 15 connected to the mounting platform 14 ; in this embodiment, two first detectors 15 are included.

[0047] The first detector 15 includes a first connecting rod 16 vertically connected to the mounting platform 14, a second connecting rod 17 is also connected to the top of the first connecting rod 16, one end of the second connecting rod 17 is connected to the top of the first connecting rod 16, and the other end is connected to an I-shaped piece 18, and the left and right sides of the I-shaped piece 18 are connected to semicircular connecting pieces 19, the I-shaped piece 18 is hinged to one end of a detection rod 21 through an axis 20 connected to the semicircular connecting piece 19, the other end of the detection rod 21 is hinged to one end of a movable rod 22, the other end of the movable rod 22 is connected to a slider 23 through the axis 20, the sliders 23 at both ends of the axis 20 are connected to the grooves 25 provided on the first fixed block 24, and the detection rod 21 is also connected to an I-shaped clip 26;

[0048] The first detector 15 also includes a second fixing block 27 fixed on the mounting platform 14. The second fixing block 27 is provided with a threaded hole 28. A first bolt 29 is fixed in the threaded hole 28. The first bolt 29 is connected to one end of the movable rod 22 connected to the slider 23 through a connecting block 30. When detecting the angles of the latter two rocker arms, the shaft 20 connected to the slider 23 can be pushed forward by rotating the first bolt 29, so that the slider 23 slides a certain distance, driving the movable rod 22 to move, so that the detection rod 21 deflects a certain angle. The angle of deflection of the detection rod 21 can be known through the angle scale on the semicircular connecting member 19, and the angle of deflection of the rocker arm can be known by clamping the rocker arm with the I-shaped clip 26 on the detection rod 21.

[0049] As a preferred embodiment of the present embodiment, the second detection platform 13 includes a mounting platform 14 connected to the first mounting seat 7 and a second detector 31 connected to the mounting platform 14; the present embodiment includes one second detector 31.

[0050] The second detector 31 includes an ear plate 32 connected to the mounting platform 14 and a steering gear support 33 hinged on the ear plate 32;

[0051] The ear plate 32 includes a first fixing plate 34 vertically connected to the mounting platform 14 and second fixing plates 35 vertically connected to both ends of the first fixing plate 34, respectively, and the second fixing plate 35 is vertically connected to the mounting platform 14;

[0052] The steering gear support member 33 includes support plates 36 respectively hinged to the second fixing plates 35 and a steering gear support plate 38 connected between the support plates 36;

[0053] The steering gear support plate 38 is further connected to a square plate 38 on the side facing the first fixed plate 35, and a fixed shaft 39 is connected to the square plate 38. The fixed shaft 39 is connected to a first measuring ruler 40 and a second measuring ruler 41. The first measuring ruler 40 is arranged vertically and cannot rotate, and the second measuring ruler 41 can rotate around the fixed shaft 39. A clip 42 is also installed on the second measuring ruler 41. The rocker arm is clamped by the clip 42 so that the second measuring ruler 41 deflects with the rocker arm, so that the rocker arm tilts backward, which is the caster angle of the rocker arm.

[0054] As a preferred embodiment of this embodiment, a dividing plate 43 is further connected to the fixed shaft 39 .

[0055] As a preferred embodiment of this embodiment, the second detection device 6 includes a plurality of third detection platforms 44 mounted on the second mounting seat 9;

[0056] The third detection platform 44 includes a mounting platform 14 connected to the second mounting seat 9 and a third detector 45 connected to the mounting platform 14 ; in this embodiment, two third detectors 45 are included.

[0057] The third detector 45 includes a fixed bracket 46 vertically connected to the mounting platform 14, a rotating shaft 47 is installed on the top of the fixed bracket 46, and a hexagonal handle 48 is installed on the top of the rotating shaft 47;

[0058] The rotating shaft 47 is sleeved with an internal gear 49, which meshes with an external rack 50. The external rack 50 is arc-shaped. The fixed bracket 46 is also connected to a hollow support frame 51 with the same arc as the external rack 50. One end of the external rack 50 is also connected to a square block 52. The bottom end of the square block 52 is connected to a first straight rod 53 and a second straight rod 54. The first straight rod 53 and the second straight rod 54 are of the same length and are arranged in parallel. The first straight rod 53 is close to the first base. The external rack 50 is engraved with scales.

[0059] The third detector 45 also includes a square card 55 installed on the mounting platform 14, and the square card 55 includes a first card plate 57 and a second card plate 58 connected by a second bolt 56. The first card plate 57 is connected to the fixed bracket 46, and a rectangular cavity 59 is formed between the first card plate 57 and the second card plate 58.

[0060] The inner gear 49 can be rotated by twisting the hexagonal handle 48, and the inner gear 49 is driven. The outer rack 50 has a hollow support frame 51 with the same curvature as the outer rack 50, which is used to support the outer rack 50. There is a square block 52 at the end of the hollow support frame 51, and the square block 52 is movable. The square block 52 is fixed to the outer rack 50. The square block 52 has a first straight rod 53 and a second straight rod 54 for fixing the rocker arm. The first straight rod 53 and the second straight rod 54 are detachable. An angle scale is marked on the outer rack 50. When testing, first fix one side of the front axle in the square card 55 and fix it with the second bolt 56. Install the second straight rod 54 on the inner side on the square block 27, turn the hexagonal structure 23, the inner gear 49 rotates, and the outer rack 50 extends out on the fixed bracket 46 as the inner gear 49 rotates. At the same time, the square block 52 moves on the hollow support frame 51. When the second straight rod 54 hits the rocker arm, it stops moving. At the same time, the rocker arm is fixed with the first straight rod 53. When adjusting the angle of the rocker arm, you only need to turn the hexagonal handle 48 on the inner gear 49. The angle of the rocker arm can be known by observing the angle scale on the outer rack 50.

[0061] As a preferred embodiment of the present invention, a lead screw 60 is disposed on each of the first base 3 and the second base 4, and the first detection device 5 and the second detection device 6 are respectively connected to the lead screw 60 disposed on the first base 3 and the second base 4. The lead screw 60 is rotated to move the first detection device 5 and the second detection device 6 laterally. A lead screw handle 61 may also be disposed at one end of the lead screw 60 to facilitate the rotation of the lead screw 60.

[0062] When conducting detection, the device is moved to the bottom of the frame, and the rocker arm angle is first detected. The mounting platform 14 equipped with the second detector 31 is aligned with the first rocker arm of the frame, the left and right positions are adjusted, the rocker arm position is determined, and then the mounting platform 14 equipped with the first detector 15 is made to correspond to the positions of the latter two rocker arms, and the first detector 15 and the second detector 31 on the mounting platform 14 are used to detect the rocker arm angle.

[0063] The rocker arm is clamped with the I-shaped clip 26 on the detection rod 21 on the first detector 15. By rotating the first bolt 29, the shaft 20 connected to the slider 30 can be pushed forward a certain distance, so that the slider 30 slides a certain distance in the groove 25, driving the movable rod 22 to move, so that the detection rod 21 deflects a certain angle. The angle of deflection of the detection rod 21 can be known through the angle scale on the semicircular connecting piece 19, that is, the angle of deflection of the rocker arm can be known.

[0064] The rocker arm is clamped by the clip 42 so that the second measuring scale 41 deflects with the rocker arm. When the rocker arm tilts backward, the second measuring scale 41 also tilts backward. The angle between the first measuring scale 40 and the second measuring scale 41 is read by the dividing plate 43, which is the backward caster angle of the rocker arm.

[0065] During the inspection, first fix one side of the front axle in the square card 55 and fix it with the second bolt 56. Install the second straight rod 54 on the inside on the square block 27, turn the hexagonal structure 23, the inner gear 49 rotates, and the outer rack 50 extends on the fixed bracket 46 as the inner gear 49 rotates. At the same time, the square block 52 moves on the hollow support frame 51. When the second straight rod 54 hits the rocker arm, it stops moving. At the same time, the rocker arm is fixed with the first straight rod 53. When adjusting the angle of the rocker arm, just turn the hexagonal handle 48 on the inner gear 49. By observing the angle scale on the outer rack 50, the angle of the rocker arm can be known.

Claims

1. A combined fixture for detecting the installation angle of axle rocker arms, comprising a base (1) and a detection device (2) installed on the base (1), characterized in that: The base (1) comprises a first base (3) and a second base (4) arranged side by side; The detection device (2) comprises a first detection device (5) installed on a first base (3) and a second detection device (6) installed on a second base (4); The first detection device (5) and the second detection device (6) each comprise a plurality of detectors (7) connected to the first detection device (5) and the second detection device (6), wherein the detectors (7) can move along the length direction on the first detection device (5) and the second detection device (6); The first detection device (5) can be translated on the first base (3) along the width direction of the first base (3), and the second detection device (6) can be translated on the second base (4) along the width direction of the second base (4); The height of the first base (3) is greater than the height of the second base (4); The first detection device (5) is mounted on the first base (3) via a first mounting seat (8), and the second detection device (6) is mounted on the second base (4) via a second mounting seat (9); The first base (3) and the second base (4) are both provided with a rack (10), the first detection device (5) and the second detection device (6) are both provided with a gear (11), and the gear (11) is meshed with the rack (10); The detector (7) on the first detection device (5) comprises a plurality of first detection platforms (12) and a plurality of second detection platforms (13) mounted on a first mounting seat (8); The first detection platform (12) comprises a mounting platform (14) connected to the first mounting seat (8) and a first detector (15) connected to the mounting platform (14); The first detector (15) comprises a first connecting rod (16) vertically connected to the mounting platform (14); the top of the first connecting rod (16) is also connected to a second connecting rod (17); one end of the second connecting rod (17) is connected to the top of the first connecting rod (16); the other end is connected to an I-shaped piece (18); the left and right sides of the I-shaped piece (18) are connected to semicircular connecting pieces (19); the I-shaped piece (18) is hinged to one end of a detection rod (21) via an axis (20) connected to the semicircular connecting piece (19); the other end of the detection rod (21) is hinged to one end of a movable rod (22); the other end of the movable rod (22) is connected to a slider (23) via the axis (20); the sliders (23) at both ends of the axis (20) are connected to grooves (25) provided on the first fixed block (24); the detection rod (21) is also connected to an I-shaped clip (26); The first detector (15) further comprises a second fixing block (27) fixed on the mounting platform (14), the second fixing block (27) being provided with a threaded hole (28), a first bolt (29) being fixed in the threaded hole (28), the first bolt (29) being connected to one end of the movable rod (22) connected to the slider (23) via a connecting block (30); The second detection platform (13) comprises a mounting platform (14) connected to the first mounting seat (8) and a second detector (31) connected to the mounting platform (14); The second detector (31) comprises an ear plate (32) connected to the mounting platform (14) and a steering gear support (33) hinged on the ear plate (32); The ear plate (32) comprises a first fixing plate (34) vertically connected to the mounting platform (14) and a second fixing plate (35) vertically connected to both ends of the first fixing plate (34), and the second fixing plate (35) is vertically connected to the mounting platform (14); The steering gear support member (33) comprises support plates (36) respectively hinged to the second fixing plates (35) and a steering gear support plate (37) connected between the support plates (36); The steering gear support plate (37) is further connected to a square plate (38) on the side facing the first fixed plate (35); a fixed shaft (39) is connected to the square plate (38); a first measuring scale (40) and a second measuring scale (41) are connected to the fixed shaft (39); the first measuring scale (40) is arranged vertically and cannot rotate; the second measuring scale (41) can rotate around the fixed shaft (39); and a clip (42) is further installed on the second measuring scale (41).

2. The combined fixture for detecting the installation angle of the axle rocker arm according to claim 1, characterized in that: The fixed shaft (39) is also connected to a dividing plate (43).

3. The combined fixture for detecting the installation angle of the axle rocker arm according to claim 1, characterized in that: The detector (7) on the second detection device (6) comprises a plurality of third detection platforms (44) mounted on a second mounting seat (9); The third detection platform (44) comprises a mounting platform (14) connected to the second mounting seat (9) and a third detector (45) connected to the mounting platform (14); The third detector (45) comprises a fixed bracket (46) vertically connected to the mounting platform (14), a rotating shaft (47) is mounted on the top of the fixed bracket (46), and a hexagonal handle (48) is mounted on the top of the rotating shaft (47); An internal gear (49) is sleeved on the rotating shaft (47), and the internal gear (49) meshes with an external rack (50), and the external rack (50) is arc-shaped. A hollow support frame (51) having the same arc as the external rack (50) is connected to the fixed bracket (46), and one end of the external rack (50) is also connected to a square block (52), and the bottom end of the square block (52) is connected to a first straight rod (53) and a second straight rod (54), and the first straight rod (53) and the second straight rod (54) have the same length and are arranged in parallel; The third detector (45) further comprises a square card (55) mounted on the mounting platform (14), wherein the square card (55) comprises a first card plate (57) and a second card plate (58) connected by a second bolt (56), wherein the first card plate (57) is connected to the fixed bracket (46), and a rectangular cavity (59) is formed between the first card plate (57) and the second card plate (58).

4. The combined fixture for detecting the installation angle of the axle rocker arm according to claim 1, characterized in that: A lead screw (60) is arranged on both the first base (3) and the second base (4), and the first detection device (5) and the second detection device (6) are respectively connected to the lead screw (60) arranged on the first base (3) and the second base (4).

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