Balance detection device

Abstract

The utility model provides a balance detection device which comprises an outer cylinder, a taper sleeve, a pull rod, a reducing sleeve, an upper positioning taper block, a lower positioning taper block, a limiting assembly and a vibration sensor. The taper sleeve is arranged at the top end of the outer cylinder, the pull rod is installed on the center line of the outer cylinder and the taper sleeve in a penetrating mode, the lower positioning taper block is arranged on the taper sleeve in a sleeving mode, the reducing sleeve is arranged on the taper sleeve in a sleeving mode, and the upper positioning taper block is arranged on the outer ring of the reducing sleeve. The limiting assembly is installed on the top face of the upper positioning cone block and fixedly installed at the top end of the pull rod, the vibration sensor is distributed close to the cone sleeve, the unbalance vibration amplitude of the axle hub brake drum assembly can be rapidly detected, the detection qualification rate is guaranteed, and the tool is simple in structure and low in cost.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, and in particular to a balance detection device. Background Technology

[0002] With the development of highway networks and the increase in vehicle speeds, people have higher and higher requirements for the safety and comfort of riding in cars. As the components that bear the safety of the vehicle body, the magnitude of their unbalanced vibration during vehicle operation directly affects the safety and comfort of the vehicle, playing a decisive role in the safety of passengers and drivers.

[0003] Therefore, it is necessary to provide a balance detection device to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a balance detection device that can quickly detect the magnitude of unbalanced vibration in the axle, wheel hub, and brake drum assembly, ensuring a high pass rate in inspections. The device has a simple structure and low cost.

[0005] To achieve the above objectives, the technical solution proposed by this utility model is as follows: a balance detection device, comprising: an outer cylinder, a cone sleeve, a pull rod, a variable diameter sleeve, an upper positioning cone block, a lower positioning cone block, a limiting component, and a vibration sensor;

[0006] The conical sleeve is installed at the top of the outer cylinder, the pull rod is inserted and installed on the center line of the outer cylinder and the conical sleeve, the lower positioning cone is fitted on the conical sleeve, the variable diameter sleeve is fitted on the conical sleeve, the upper positioning cone is installed on the outer ring of the variable diameter sleeve, the limiting component is installed on the top surface of the upper positioning cone and fixedly installed with the top of the pull rod, and the vibration sensor is distributed close to the conical sleeve.

[0007] Preferably, a flange is connected to the bottom of the outer cylinder.

[0008] Preferably, the outer cylinder has a first channel, the conical sleeve has a second channel, the first channel and the second channel are connected, and the pull rod is inserted and installed in the first channel and the second channel.

[0009] Preferably, the side wall of the tapered sleeve is provided with a screw hole, and the pull rod is provided with a limiting groove, and a bolt is inserted into the limiting groove through the screw hole.

[0010] Preferably, a limiting hole is also provided on the outer wall of the cone sleeve. The limiting hole is located below the lower positioning cone block, and a positioning block is installed in the limiting hole to restrict the lower positioning cone block from moving downward along the cone sleeve.

[0011] Preferably, the sidewall of the variable diameter sleeve is provided with multiple grooves to divide the sidewall of the variable diameter sleeve into multiple conical structures.

[0012] Preferably, the limiting component includes a first limiting plate, a second limiting plate, and a fastening component. The first limiting plate is sleeved on the top end of the pull rod, the second limiting plate is sleeved on the first limiting plate, and the fastening component passes through the second limiting plate and is fixedly installed to the top end of the pull rod, thereby fixing the first limiting plate and the second limiting plate.

[0013] Compared with existing technologies, the advantages are that the positioning cone block fits tightly with the outer ring of the upper bearing, and the lower positioning cone block fits tightly with the outer ring of the lower bearing. This allows for rapid detection of the magnitude of unbalanced vibration in the axle wheel hub brake drum assembly, ensuring a high pass rate. Furthermore, the tooling structure is simple and the cost is low.

[0014] Other features and advantages of this invention will be set forth in the following description, and in part will be apparent from the description, or may be learned by practice of the invention. The features and advantages of this invention may be realized and obtained by means of the elements and combinations specifically pointed out in the appended claims. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 An exploded view of the balance detection device provided by this utility model.

[0017] Figure 2 for Figure 1 The diagram shows the combination of the balance detection device.

[0018] Figure 3 for Figure 1 The diagram shows the usage of the balance detection device.

[0019] Reference numerals: 1. Outer cylinder; 11. First channel; 2. Conical sleeve; 21. Second channel; 22. Limiting hole; 3. Tie rod; 31. Limiting groove; 4. Variable diameter sleeve; 41. Conical structure; 5. Upper positioning cone; 6. Lower positioning cone; 7. Limiting assembly; 71. First limiting disc; 72. Second limiting disc; 73. Fastening component; 8. Flange; 9. Bolt; 10. Axle hub brake drum assembly. Detailed Implementation

[0020] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described in this specification are merely for explaining the present utility model and are not intended to limit the present utility model.

[0021] It should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0023] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature. Additionally, "multiple" and "several" mean two or more, unless otherwise explicitly specified.

[0024] Please see Figures 1 to 3 This utility model provides a balance detection device for detecting the magnitude of unbalanced vibration during vehicle operation when installed on the axle wheel hub brake drum assembly. It includes: an outer cylinder 1, a cone sleeve 2, a tie rod 3, a variable diameter sleeve 4, an upper positioning cone block 5, a lower positioning cone block 6, a limiting component 7, and a vibration sensor.

[0025] The conical sleeve 2 is installed at the top of the outer cylinder 1. The pull rod 3 is inserted and installed on the center line of the outer cylinder 1 and the conical sleeve 2. The lower positioning cone 6 is sleeved on the conical sleeve 2. The variable diameter sleeve 4 is sleeved on the conical sleeve 2. The upper positioning cone 5 is installed on the outer ring of the variable diameter sleeve 4. The limiting component 7 is installed on the top surface of the upper positioning cone 5 and fixedly installed with the top of the pull rod 3. The vibration sensor is distributed close to the conical sleeve 2.

[0026] In use, the wheel hub brake drum assembly 10 to be tested is installed on the cone sleeve 2 of the balance testing device, and then the variable diameter sleeve 4, upper positioning cone 5, lower positioning cone 6, and limit component 7 are installed. The upper positioning cone 5 of the balance testing device is located at the outer ring of the upper bearing of the wheel hub brake drum assembly and is in close contact with the outer ring of the upper bearing. The lower positioning cone 6 is located at the outer ring of the lower bearing of the wheel hub brake drum assembly and is in close contact with the outer ring of the lower bearing.

[0027] The balance detection device is mounted on a power mechanism (e.g., a dynamic balancing machine). Vibration sensors can be mounted on the dynamic balancing machine and distributed close to the cone sleeve. The balance detection device is rotated by the power mechanism (e.g., the dynamic balancing machine), and the magnitude of the unbalanced vibration during vehicle operation is detected by the vibration sensors.

[0028] In a preferred embodiment, a flange 8 is connected to the bottom of the outer cylinder 1 to facilitate connection and installation with other components.

[0029] In a preferred embodiment, the outer cylinder 1 has a first channel 11 and the conical sleeve 2 has a second channel 21. The first channel 11 and the second channel 21 are connected. The pull rod 3 is inserted and installed in the first channel 11 and the second channel 21, so as to facilitate the insertion and installation of the pull rod 3 on the outer cylinder 1 and the conical sleeve 2.

[0030] In a preferred embodiment, a screw hole 22 is provided on the side wall of the tapered sleeve 2, and a limiting groove 31 is provided on the pull rod 3. When the pull rod 3 is inserted and installed on the tapered sleeve 2, the position of the limiting groove 31 corresponds to the position of the screw hole 22, and a bolt is inserted into the limiting groove 31 through the screw hole.

[0031] The reason for this design is that, since the tie rod 3 is inserted and installed on the center line of the outer cylinder 1 and the conical sleeve 2, without using other fasteners (such as screws) to fix the tie rod to the outer cylinder 1 or the conical sleeve 2, the tie rod 3 can rotate within the outer cylinder 1 and the conical sleeve 2. Therefore, when the bolt 9 is inserted into the limiting groove 31 through the screw hole 22, it is to prevent the tie rod 3 from rotating within the outer cylinder 1 and the conical sleeve 2, so that the tie rod 3 can only move up and down within the outer cylinder 1 and the conical sleeve 2.

[0032] In a preferred embodiment, a limiting hole 23 is further formed on the outer wall of the tapered sleeve 2. The limiting hole 23 is located below the lower positioning tapered block 6, and a positioning block 24 is installed in the limiting hole 23 to restrict the lower positioning tapered block 6 from moving downward along the tapered sleeve 2. It should be noted that in this embodiment, the positioning block 24 is fixedly installed at the limiting hole 23 using a fastener (such as a screw).

[0033] In a preferred embodiment, the variable diameter sleeve 4 is generally a hollow cylinder, and the sidewall of the variable diameter sleeve 4 is provided with multiple grooves that divide the sidewall of the variable diameter sleeve 4 into multiple conical structures 41 (e.g., Figure 1 (As shown).

[0034] When the variable diameter sleeve 4 is fitted onto the tapered sleeve 2 and moves downward, the tapered sleeve 2 gradually expands the multiple tapered structures 41 of the variable diameter sleeve 4, increasing the inner diameter of the multiple tapered structures 41. The inner wall of the upper positioning cone 5 then comes into close contact with the multiple tapered structures 41 of the variable diameter sleeve 4, thus achieving the function of tightening the upper positioning cone 5 on the variable diameter sleeve 4. Conversely, when the variable diameter sleeve 4 is fitted onto the tapered sleeve 2 and moves upward, the tapered sleeve 2 gradually brings the multiple tapered structures 41 of the variable diameter sleeve 4 closer together, decreasing the inner diameter of the multiple tapered structures 41. A gap exists between the inner wall of the upper positioning cone 5 and the multiple tapered structures 41 of the variable diameter sleeve 4, facilitating the removal of the upper positioning cone 5 from the variable diameter sleeve 4.

[0035] In a preferred embodiment, the limiting component 7 includes a first limiting plate 71, a second limiting plate 72, and a fastening component 73. The first limiting plate 71 is sleeved on the top end of the pull rod 3, the second limiting plate 72 is sleeved on the first limiting plate 71, and the fastening component 73 passes through the second limiting plate 72 and is fixedly installed to the top end of the pull rod 3, thereby fixing the first limiting plate 71 and the second limiting plate 72.

[0036] The advantage of this design is that when the balancing test device is installed on the axle wheel hub brake drum assembly for testing, the axle wheel hub brake drum assembly can be tightly limited on the balancing test device, preventing the axle wheel hub brake drum assembly from loosening during the test, which is conducive to the smooth completion of the test and avoids inaccurate test results.

[0037] This utility model also provides a detection method for a balance detection device, including the following steps:

[0038] The wheel hub brake drum assembly 10 to be tested is installed on the balance testing device, and the upper positioning cone 5 of the balance testing device is located at the upper bearing outer ring 101 of the wheel hub brake drum assembly 10 and is in close contact with the upper bearing outer ring 101. The lower positioning cone 6 is located at the lower bearing outer ring 102 of the wheel hub brake drum assembly 10 and is in close contact with the lower bearing outer ring 102.

[0039] The balance detection device is mounted on a power mechanism (e.g., a dynamic balancing machine). Vibration sensors can be mounted on the dynamic balancing machine and distributed close to the cone sleeve. The balance detection device is rotated by the power mechanism (e.g., the dynamic balancing machine), and the magnitude of the unbalanced vibration during vehicle operation is detected by the vibration sensors.

[0040] After the inspection is completed, the first limiting plate 71, the second limiting plate 72 and the fastening component 73 are disassembled, the upper positioning cone 5 and the lower positioning cone 6 are removed from the cone sleeve 2, and the wheel hub brake drum assembly 10 is removed.

[0041] This invention is not limited to the description in the specification and embodiments. Therefore, other advantages and modifications can be readily realized by those skilled in the art. Thus, without departing from the spirit and scope of the general concept as defined by the claims and their equivalents, this invention is not limited to the specific details, representative devices and illustrated examples shown and described herein.

Claims

1. A balance detection device, characterized in that, include: Outer cylinder (1), cone sleeve (2), tie rod (3), variable diameter sleeve (4), upper positioning cone (5), lower positioning cone (6), limiting assembly (7), and vibration sensor; The conical sleeve (2) is installed at the top of the outer cylinder (1). The pull rod (3) is inserted and installed on the center line of the outer cylinder (1) and the conical sleeve (2). The lower positioning cone (6) is sleeved on the conical sleeve (2). The variable diameter sleeve (4) is sleeved on the conical sleeve (2). The upper positioning cone (5) is installed on the outer ring of the variable diameter sleeve (4). The limiting component (7) is installed on the top surface of the upper positioning cone (5) and fixedly installed with the top of the pull rod (3). The vibration sensor is distributed close to the conical sleeve (2).

2. The balance detection device as described in claim 1, characterized in that, The bottom of the outer cylinder (1) is connected to a flange (8).

3. The balance detection device as described in claim 1, characterized in that, The outer cylinder (1) has a first channel (11), and the cone sleeve (2) has a second channel (21). The first channel (11) and the second channel (21) are connected. The pull rod (3) is inserted into the first channel (11) and the second channel (21).

4. The balance detection device as described in claim 1, characterized in that, The tapered sleeve (2) has a screw hole (22) on its side wall and a limiting groove (31) is provided on the pull rod (3). A bolt (9) is inserted into the limiting groove (31) through the screw hole (22).

5. The balance detection device as described in claim 1, characterized in that, A limiting hole (23) is also provided on the outer wall of the cone sleeve (2). The limiting hole (23) is located below the lower positioning cone block (6), and a positioning block (24) is installed in the limiting hole (23). The positioning block (24) restricts the lower positioning cone block (6) from moving downward along the cone sleeve (2).

6. The balance detection device as described in claim 1, characterized in that, The side wall of the variable diameter sleeve (4) is provided with multiple grooves, which divide the side wall of the variable diameter sleeve (4) into multiple conical structures (41).

7. The balance detection device as described in claim 1, characterized in that, The limiting component (7) includes a first limiting plate (71), a second limiting plate (72), and a fastening component (73). The first limiting plate (71) is sleeved on the top end of the pull rod (3), and the second limiting plate (72) is sleeved on the first limiting plate (71). The fastening component (73) passes through the second limiting plate (72) and is fixedly installed at the top end of the pull rod (3) to fix the first limiting plate (71) and the second limiting plate (72).

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