Checking fixture for checking rear knuckle assembly

Abstract

The utility model discloses a detection tool for detecting a rear knuckle assembly, which comprises a base, a central reference block fixed in the center of the base, a first detection group used for detecting a brake caliper mounting hole and located on the left side of the central reference block, and a second detection group used for detecting the brake caliper mounting hole and located on the right side of the central reference block. The second detection group is located on the right side of the central reference block and above the first detection group, the third detection group is located right above the central reference block, the fourth detection group is located on the right upper side of the central reference block, and the fourth detection group is located right above the central reference block. The fifth detection group is used for detecting a vehicle speed sensor positioning hole and a vehicle speed sensor mounting hole, and the fifth detection group is located on the right side of the central reference block. And numerous important interface parameters of the rear axle assembly can be accurately detected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile testing fixture, specifically relates to a testing fixture for checking rear horn assembly. BACKGROUND

[0002] Rear axle assembly is one of important assembly parts of automobile chassis, such as Figure 4 As shown in a rear axle assembly structure schematic view. Including: wheel hub bearing unit, horn assembly, brake disc, metal dust cover.

[0003] The main function of wheel hub bearing unit is to bear the load of vehicle and provide accurate guidance for the rotation of wheel, and provide vehicle speed signal, which bears axial load and radial load. Horn assembly connects related parts, and the main function is to transmit axial load and bear radial load. The main function of brake disc is the friction pair of disc brake, and the brake force is provided. In addition to having appropriate strength and rigidity, it also has high and stable friction coefficient, and appropriate wear resistance, heat resistance, heat dissipation and heat capacity, etc. The main function of metal dust cover is to block dust and water.

[0004] In summary, the rear axle assembly bears axial load and radial load, and provides accurate guidance for the rotation of wheel, and provides brake force with brake caliper. Therefore, it needs to have high-precision size and geometric tolerance. As shown in Figure 4 Important interface parameters set on the rear axle assembly include: wheel hub bearing unit bolt, wheel hub bearing brake disc guide end, camber adjustment arm mounting hole, camber adjustment arm mounting hole, brake caliper mounting hole, brake caliper mounting hole, spring seat mounting hole, toe adjustment arm mounting hole, vehicle speed sensor mounting hole, vehicle speed sensor positioning hole, adjustment arm mounting hole, brake disc wheel hub guide end, brake disc wheel hub mounting surface.

[0005] Therefore, a quick, convenient and accurate rear axle assembly comprehensive testing fixture is needed to complete the detection of numerous important interface parameters. CONTENT OF THE UTILITY MODEL

[0006] To achieve the above purpose, the technical scheme of the utility model is as follows: a testing fixture for checking rear horn assembly, which comprises a base, a central reference block fixed in the center of the base, and two stepped planes are arranged on the central reference block. One stepped plane is used for supporting the rear axle assembly and providing a detection reference, and the other stepped plane is used for detecting the size of the wheel hub bearing brake disc guide end.

[0007] Preferably, it further comprises a first detection group located on the left side of the central reference block, comprising a first detection seat and a first detection rod. The first detection seat is higher than the end face of the brake caliper mounting hole, has an "L" curved shape, and is provided with a detection hole for cooperating with the first detection rod to detect the brake caliper mounting hole. The first detection rod is inserted into the detection hole of the first detection seat and the brake caliper mounting hole to detect the size and position of the brake caliper mounting hole. It is also provided with a GO-NO GO detection step for detecting the size of the end face of the brake caliper mounting hole.

[0008] Preferably, it further comprises a second detection group located on the right side of the central reference block above the first detection group, comprising a second detection seat and a second detection rod. The second detection seat is higher than the end face of the brake caliper mounting hole, has an "L" curved shape, and is provided with a detection hole for cooperating with the second detection rod to detect the brake caliper mounting hole. The second detection rod is inserted into the detection hole of the second detection seat and the brake caliper mounting hole to detect the size and position of the brake caliper mounting hole. It is provided with a GO-NO GO detection step for detecting the size of the end face of the brake caliper mounting hole.

[0009] Preferably, it further comprises a third detection group located directly above the central reference block, comprising a third detection seat and a third detection rod. The third detection seat is located on the left side of the end face of the camber adjustment arm mounting hole, has an "L" curved shape, and is provided with a detection hole for cooperating with the third detection rod to detect the camber adjustment arm mounting hole. The third detection rod is inserted into the detection hole of the third detection seat and the camber adjustment arm mounting hole to detect the size and position of the camber adjustment arm mounting hole. It is provided with a GO-NO GO detection step for detecting the size of the end face of the camber adjustment arm mounting hole.

[0010] Preferably, it further comprises a fourth detection group located on the right side of the third detection group above the central reference block, comprising a fourth detection seat and a fourth detection rod. The fourth detection seat is directly opposite the adjustment arm mounting hole and is provided with a detection hole for cooperating with the fourth detection rod to detect the adjustment arm mounting hole. The fourth detection rod is inserted into the fifth detection seat and the adjustment arm mounting hole to detect the size and position of the adjustment arm mounting hole. It is provided with a GO-NO GO detection step for detecting the size of the end face of the adjustment arm mounting hole.

[0011] Preferably, the fifth detection group is further included, located at the right side of the central reference block, comprising a fifth detection seat, a fifth detection rod and a sixth detection rod. The fifth detection seat is in the shape of "L" bending, opposite to the vehicle speed sensor mounting hole and the vehicle speed sensor positioning hole, and is provided with a detection hole for cooperating with the fifth detection rod to detect the vehicle speed sensor mounting hole.

[0012] Preferably, the sixth detection group is further included, located at the right side of the central reference block, comprising a sixth detection seat and a seventh detection rod. The sixth detection seat is in the shape of "L" bending, opposite to the rear toe adjustment arm mounting hole, and is provided with a detection hole for cooperating with the seventh detection rod to detect the rear toe adjustment arm mounting hole.

[0013] Preferably, the seventh detection group is further included, located at the left side of the central reference block, below the first detection group, comprising a seventh detection seat and an eighth detection rod. The seventh detection seat is in the shape of "L" bending, opposite to the spring seat mounting hole, and is provided with a detection hole for cooperating with the eighth detection rod to detect the spring seat mounting hole.

[0014] Preferably, the eighth detection group is further included, located at the center of the central reference block, comprising a first detection block. The first detection block is located at the center of the central reference block, and is provided with five small round holes and one large round hole for detecting the position tolerance of the hub bearing unit bolt and the size of the guide end of the brake disc hub.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1) Compared with single product gauges, the scheme can more accurately detect the position tolerance of the rear axle assembly and quickly determine the good and bad of the parts.

[0017] 2) Compared with single product gauges, the scheme has higher integration, faster detection, convenience and reliability. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the structural schematic diagram of the rear axle assembly comprehensive gauge of the utility model;

[0019] Figure 2 is the front view of the rear axle assembly comprehensive gauge of the utility model;

[0020] Figure 3 is the front view of the rear axle assembly comprehensive gauge of the utility model;

[0021] Figure 4 is the structure view of the rear axle assembly of the rear axle assembly comprehensive gauge of the utility model.

[0022] List of figure mark: base 1, wheel hub bearing unit bolt 121, brake disc wheel hub guide end 122, first camber adjustment arm mounting hole 131, second camber adjustment arm mounting hole 132, second brake caliper mounting hole 133, first brake caliper mounting hole 134, spring seat mounting hole 135, rear toe adjustment arm mounting hole 136, vehicle speed sensor mounting hole 137, vehicle speed sensor positioning hole 138, central reference block 2, first detection group 3, first detection seat 31, first detection rod 32, second detection group 4, second detection seat 41, second detection rod 42, third detection group 5, third detection seat 51, third detection rod 52, fourth detection group 6, fourth detection seat 61, fourth detection rod 62, fifth detection group 7, fifth detection seat 71, fifth detection rod 72, sixth detection rod 73, sixth detection group 8, sixth detection seat 81, seventh detection rod 82, seventh detection group 9, seventh detection seat 91, eighth detection rod 92, eighth detection group 10.1. DETAILED DESCRIPTION

[0023] The utility model is further illustrated in connection with the drawings and specific embodiments, and it should be understood that the following specific embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model.

[0024] Embodiment: the technical scheme of the utility model provides a kind of comprehensive gauge for checking rear axle assembly, see Figure 1 It includes base 1, central reference block 2, first detection group 3, second detection group 4, third detection group 5, fourth detection group 6, fifth detection group 7, sixth detection group 8, seventh detection group 9 and eighth detection group 10.1.

[0025] Further, central reference block 2 is fixed in the center of base, is used to support rear axle assembly brake disc wheel hub mounting surface 142, provides detection reference, and detects brake disc wheel hub guide end 141 size.

[0026] Further, the first detection group 3 is located on the right side of the central reference block 2, and includes a first detection seat 31 and a first detection rod 32. The first detection seat 31 is higher than the end face of the first brake caliper mounting hole 134, and has an "L" curved shape, and a detection hole is arranged on the first detection seat 31, which is used for cooperating with the first detection rod 32 to detect the brake caliper mounting hole 134. The first detection rod 32 has a GO-NO GO step, and is inserted into the first detection seat 31 and the brake caliper mounting hole 134, which is used for detecting the size and position of the brake caliper mounting hole 134. The size of the end face of the brake caliper mounting hole 134 can be determined by observing the GO-NO GO step.

[0027] Further, the second detection group 4 is located on the right side of the central reference block 2 and above the first detection group 3, and includes a second detection seat 41 and a second detection rod 42. The second detection seat 41 is higher than the end face of the second brake caliper mounting hole 133, and has an "L" curved shape, and a detection hole is arranged on the second detection seat 41, which is used for cooperating with the second detection rod 42 to detect the brake caliper mounting hole 133. The second detection rod 42 has a GO-NO GO step, and is inserted into the second detection seat 41 and the brake caliper mounting hole 133, which is used for detecting the size and position of the brake caliper mounting hole 133. The size of the end face of the brake caliper mounting hole 133 can be determined by observing the GO-NO GO step.

[0028] Further, the third detection group 5 is located directly above the central reference block 2, and includes a third detection seat 51 and a third detection rod 52. The third detection seat 51 is located on the left side of the end face of the first and second camber adjustment arm mounting holes 131 and 132, and has an "L" curved shape, and a detection hole is arranged on the third detection seat 51, which is used for cooperating with the third detection rod 52 to detect the first and second camber adjustment arm mounting holes 131 and 132. The third detection rod 52 has a GO-NO GO step, and is inserted into the detection hole of the third detection seat 51 and the first and second camber adjustment arm mounting holes 131 and 132, which is used for detecting the position of the camber adjustment arm mounting holes 131 and 132. The size of the end face of the camber adjustment arm mounting holes 131 and 132 can be determined by observing the GO-NO GO step. The third detection rod 52 has a GO-NO GO step, and is inserted into the detection hole of the third detection seat 51 and the camber adjustment arm mounting holes 131 and 132, which is used for detecting the position of the camber adjustment arm mounting holes 131 and 132. The size of the end face of the camber adjustment arm mounting holes 131 and 132 can be determined by observing the GO-NO GO step.

[0029] Further, the fourth detection group 6 is located on the right upper side of the central reference block 2, on the right side of the third detection group 5, and includes a fourth detection seat 61 and a fourth detection rod 62. The fourth detection seat 61 is opposite the adjusting arm mounting hole 139 and has an "L" shape, and a detection hole is arranged on the fourth detection seat 61 to cooperate with the fourth detection rod 62 to detect the adjusting arm mounting hole 139. The fourth detection rod 62 has a GO-NOGO step arranged thereon, and the fourth detection rod 62 is inserted into the fourth detection seat 61 and the adjusting arm mounting hole 139 to detect the size and position of the adjusting arm mounting hole 139. The GO-NOGO step can be observed to determine the size of the end surface of the adjusting arm mounting hole 139.

[0030] Further, the fifth detection group 7 is located on the right side of the central reference block 2 and includes a fifth detection seat 71, a fifth detection rod 72, and a sixth detection rod 73. The fifth detection seat 71 is opposite the vehicle speed sensor mounting hole 137 and the vehicle speed sensor positioning hole 138 and has an "L" shape, and a detection hole is arranged on the fifth detection seat 71 to cooperate with the fifth detection rod 72 to detect the vehicle speed sensor mounting hole 137. A detection hole is arranged on the fifth detection seat 71 to cooperate with the sixth detection rod 73 to detect the vehicle speed sensor positioning hole 138. The fifth detection rod 72 has a GO-NOGO step arranged thereon, and the fifth detection rod 72 is inserted into the fifth detection seat 71 and the vehicle speed sensor mounting hole 137 to detect the size and position of the vehicle speed sensor mounting hole 137. The GO-NOGO step can be observed to determine the size of the end surface of the vehicle speed sensor mounting hole 137. The sixth detection rod 63 has a threaded hole detection thread arranged on the head, and the sixth detection rod 63 has a GO-NOGO step arranged thereon, and the sixth detection rod 63 is inserted into the fifth detection seat 71 and the vehicle speed sensor positioning hole 138 to detect the size and position of the vehicle speed sensor positioning hole 138. The GO-NOGO step can be observed to determine the size of the end surface of the vehicle speed sensor positioning hole 138.

[0031] Further, the sixth detection group 8 is located on the right side of the central reference block 2 and includes a sixth detection seat 81 and a seventh detection rod 82. The sixth detection seat 81 is opposite the rear toe adjusting arm mounting hole 136 and has an "L" shape, and a detection hole is arranged on the sixth detection seat 81 to cooperate with the seventh detection rod 82 to detect the rear toe adjusting arm mounting hole 136. The seventh detection rod 82 has a GO-NOGO step arranged thereon, and the seventh detection rod 82 is inserted into the detection hole of the sixth detection seat 81 and the rear toe adjusting arm mounting hole 136 to detect the size and position of the rear toe adjusting arm mounting hole 136. The GO-NOGO step can be observed to determine the size of the end surface of the rear toe adjusting arm mounting hole 136.

[0032] Further, the seventh detection group 9 is further included, which is located at the left side of the central reference block 2 and includes a seventh detection seat 91 and an eighth detection rod 92. The seventh detection seat 91 is opposite to the seventh detection seat 91 and has an "L" bending shape, and a detection hole is arranged on the seventh detection seat 91, which is used for cooperating with the eighth detection rod 92 to detect the spring seat mounting hole 135; the eighth detection rod 92 is provided with a GO-NO GO step, and the eighth detection rod 92 is inserted into the detection hole of the seventh detection seat 91 and the spring seat mounting hole 135, which is used for detecting the size and position of the spring seat mounting hole 135, and the GO-NO GO step can be used to judge the size of the end surface of the spring seat mounting hole 135.

[0033] Further, the eighth detection group 10.1 is further included, which is located at the center of the central reference block 2 and is provided with five round holes and one large hole. The five round holes are used for detecting the position of the hub bearing unit bolt 121, and the large hole is used for detecting the size of the brake disc hub guide end 122.

[0034] Further, the first detection seat 31, the second detection seat 41, the third detection seat 51, the fourth detection seat 61, the fifth detection seat 71, the sixth detection seat 81 and the seventh detection seat 91 are connected with the base 1 by hidden bolts.

[0035] In summary, the comprehensive detection tool of the rear axle assembly has the characteristics of simple arrangement, convenient replacement, high strength, high precision, and can quickly, conveniently and accurately detect a plurality of important interface parameters of the rear axle assembly.

[0036] It should be noted that the above content only illustrates the technical idea of the utility model, and cannot limit the protection scope of the utility model. For ordinary skilled persons in the technical field, some improvements and decorations can be made without departing from the principle of the utility model, and these improvements and decorations fall within the protection scope of the utility model claim.

Claims

1. A gage for inspecting a post-shearing horn assembly, characterized by, The application relates to a brake caliper installation hole detection device, which comprises a base, a central reference block fixed in the center of the base, a first detection group for detecting brake caliper installation holes, a second detection group for detecting brake caliper installation holes, a third detection group for detecting camber adjustment arm installation holes, a fourth detection group for detecting adjustment arm installation holes, a fifth detection group for detecting vehicle speed sensor positioning holes and vehicle speed sensor installation holes, a sixth detection group for detecting rear toe adjustment arm installation holes, a seventh detection group for detecting spring seat installation holes, and an eighth detection group for detecting wheel hub bearing unit bolts and brake disc wheel hub guide ends.

2. A gage for inspecting a post-inspection horn assembly as set forth in claim 1, characterized in that, The first detection group comprises a first detection seat and a first detection rod; the first detection seat is higher than the end face of the brake caliper installation hole and is in an L-shaped structure, and detection holes are arranged on the first detection seat for matching the first detection rod; the first detection rod is inserted into the detection holes of the first detection seat and the brake caliper installation hole, and is used for detecting the size and position degree of the brake caliper installation hole; and detection steps are further arranged on the first detection rod and used for detecting the size of the end face of the brake caliper installation hole.

3. A gage for inspecting a post-inspection horn assembly as defined in claim 1, wherein, The second detection group comprises a second detection seat and a second detection rod; the second detection seat is higher than the end face of the brake caliper installation hole and is in an L-shaped structure, and detection holes are arranged on the second detection seat for matching the second detection rod; the second detection rod is inserted into the detection holes of the second detection seat and the brake caliper installation hole, and is used for detecting the size and position degree of the brake caliper installation hole; and detection steps are further arranged on the second detection rod and used for detecting the size of the end face of the brake caliper installation hole.

4. A gage for inspecting a post-inspection horn assembly as defined in claim 1, wherein, The third detection group comprises a third detection seat and a third detection rod; the third detection seat is located on the left side of the end face of the camber adjustment arm installation hole and is in an L-shaped structure, and detection holes are arranged on the third detection seat for matching the third detection rod; the third detection rod is inserted into the detection holes of the third detection seat and the camber adjustment arm installation hole, and is used for detecting the size and position degree of the camber adjustment arm installation hole; and detection steps are further arranged on the third detection rod and used for detecting the size of the end face of the camber adjustment arm installation hole.

5. A gage for inspecting a post-inspection horn assembly as defined in claim 1, wherein, The fourth detection group comprises a fourth detection seat and a fourth detection rod; the fourth detection seat is opposite to the adjustment arm installation hole and is in an L-shaped structure, and detection holes are arranged on the fourth detection seat for matching the fourth detection rod; the fourth detection rod is inserted into the fifth detection seat and the adjustment arm installation hole, and is used for detecting the size and position degree of the adjustment arm installation hole; and detection steps are further arranged on the fourth detection rod and used for detecting the size of the end face of the adjustment arm installation hole.

6. A gage for inspecting a post-inspection horn assembly as defined in claim 1, wherein, The fifth detection group comprises a fifth detection seat, a fifth detection rod and a sixth detection rod. The fifth detection seat is opposite to the vehicle speed sensor mounting hole and the vehicle speed sensor positioning hole, and is in L-shaped structure. The fifth detection seat is provided with a detection hole for cooperating with the fifth detection rod to detect the vehicle speed sensor mounting hole. The fifth detection seat is provided with another detection hole for cooperating with the sixth detection rod to detect the vehicle speed sensor positioning hole. The fifth detection rod is inserted into the fourth detection seat and the vehicle speed sensor mounting hole to detect the size and position of the vehicle speed sensor mounting hole. The fifth detection rod is provided with a detection step for detecting the vehicle speed sensor mounting hole. The sixth detection rod is provided with a detection thread at the head portion, and is inserted into the fourth detection seat and the vehicle speed sensor positioning hole to detect the size and position of the vehicle speed sensor positioning hole. The sixth detection rod is provided with a detection step for detecting the end surface size of the vehicle speed sensor positioning hole.

7. A gage for inspecting a post-inspection horn assembly as defined in claim 1, wherein, The sixth detection group comprises a sixth detection seat and a seventh detection rod. The sixth detection seat is opposite to the rear toe adjustment arm mounting hole, and is in L-shaped structure. The sixth detection seat is provided with a detection hole for cooperating with the seventh detection rod to detect the rear toe adjustment arm mounting hole. The seventh detection rod is provided with a step for detecting the size, position and end surface size of the rear toe adjustment arm mounting hole.

8. A gage for inspecting a post-inspection horn assembly as defined in claim 1, wherein, The seventh detection group comprises a seventh detection seat and an eighth detection rod. The seventh detection seat is opposite to the spring seat mounting hole, and is in L-shaped structure. The seventh detection seat is provided with a detection hole for cooperating with the eighth detection rod to detect the spring seat mounting hole. The eighth detection rod is provided with a step for detecting the size, position and end surface size of the spring seat mounting hole.

9. A gage for inspecting a post-inspection horn assembly as defined in claim 1, wherein, The eighth detection group comprises a first detection block. The first detection block is located at the center of the central reference block, and is provided with a plurality of small round holes and a large round hole for detecting the position of the hub bearing unit bolt and the size of the brake disc hub guide end.

Images