CN221077601U - Balance shaft detection tool - Google Patents
Balance shaft detection tool Download PDFInfo
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- CN221077601U CN221077601U CN202322627201.1U CN202322627201U CN221077601U CN 221077601 U CN221077601 U CN 221077601U CN 202322627201 U CN202322627201 U CN 202322627201U CN 221077601 U CN221077601 U CN 221077601U
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- balance shaft
- air cylinder
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- sensor
- detection mechanism
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- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 239000000523 sample Substances 0.000 claims description 30
- 238000009434 installation Methods 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a balance shaft detection tool which comprises a base main body, an axial gap detection mechanism, a phase detection mechanism and a workpiece moving mechanism, wherein the axial gap detection mechanism, the phase detection mechanism and the workpiece moving mechanism are arranged on the base main body; the axial gap detection mechanism comprises a balance shaft pressing block assembly, a first sensor and a gear shifting fork, wherein the balance shaft pressing block assembly is used for fixing a supporting shell of a workpiece to be detected, and the gear shifting fork is used for fixing a gear; the balance shaft pressing block assembly, the first sensor and the gear shifting fork are all in sliding connection with the base main body; the phase detection mechanism is positioned above the axial gap detection mechanism and is used for detecting the phase angle between the driving balance shaft and the driven balance shaft; the workpiece moving mechanism comprises a traversing tray and a fifth air cylinder, and the traversing tray is in sliding connection with the base main body. The utility model can detect the axial gap between the main dynamic balance shaft and the supporting shell and the phase angle between the main dynamic balance shaft and the main dynamic balance shaft at the same time, thereby greatly improving the detection efficiency.
Description
Technical Field
The utility model relates to a balance shaft detection tool, and belongs to the technical field of balance shaft phase detection.
Background
Along with the increasing requirements of people on the comfort of automobiles, the vibration and the noise of an engine are key to influencing the comfort of automobiles, and the vibration and the noise of the engine are particularly derived from the reciprocating motion of a piston connecting rod group to generate reciprocating inertial force, so that the fastener is easy to loosen, the driver is tired, and the engine has serious energy consumption and other problems.
The balance shaft has the effects of enabling the engine to run more smoothly, reducing vibration of the automobile so as to improve the overall comfort of the automobile, and the balance shaft technology is simple in structure and very practical, can effectively slow down vibration of the whole automobile and improves the driving comfort. The balance shaft may be divided into a single balance shaft and a double balance shaft.
In the double balance shafts, whether the driving balance shaft and the driven balance shaft are horizontal or not and the clearance between the driving balance shaft and the driven balance shaft and the shell can influence the functions of the balance shafts. Therefore, the parameters of the balance shaft are required to be detected so as to ensure that the balance shaft has a good working state. However, in the prior art, only one of the gap or the phase is detected, so that the balance shaft detection efficiency is low.
Disclosure of utility model
The utility model provides a balance shaft detection tool, which solves the problem that only the axial gap or the phase of a double balance shaft is detected independently in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a balance shaft detection tool comprises a base main body, and an axial gap detection mechanism, a phase detection mechanism and a workpiece moving mechanism which are positioned on the base main body; the axial gap detection mechanism comprises a balance shaft pressing block assembly, a first sensor and a gear shifting fork, wherein the balance shaft pressing block assembly is used for fixing a supporting shell of a workpiece to be detected, and the gear shifting fork is used for fixing a gear; the balance shaft pressing block assembly, the first sensor and the gear shifting fork are all in sliding connection with the base main body; the phase detection mechanism is positioned above the axial gap detection mechanism and is used for detecting the phase angle between the driving balance shaft and the driven balance shaft; the workpiece moving mechanism comprises a traversing tray and a fifth air cylinder, and the traversing tray is in sliding connection with the base main body; the fifth cylinder is fixed on the transverse moving tray and used for lifting the workpiece to be detected to the axial gap detection mechanism or the phase detection mechanism.
Preferably, the axial gap detection mechanism comprises a first cylinder and a third cylinder connected with the gear shifting fork; a first mounting assembly is arranged on the telescopic rod of the first air cylinder and is used for connecting the first air cylinder and the first sensor; a third cylinder and a gear shifting fork are arranged above the first sensor; the gear shifting fork is arranged on the telescopic rod of the third cylinder. The first sensor and the gear shifting fork are driven by the air cylinders respectively, so that the positions of the first sensor and the gear shifting fork can be conveniently adjusted, and the adaptability of the tool is improved.
Preferably, the first installation component comprises an installation body, a connecting block connected with the installation body, a first sliding block, a fixing piece positioned on the installation body, and a first guide rail matched with the first sliding block, wherein the first guide rail is fixed on a bottom plate; the connecting block is used for connecting the installation body and the first cylinder, and the fixing piece is used for fixing the first sensor on the installation body, so that the sensor can be conveniently detached.
Preferably, the measuring end of the first sensor is further provided with a probe, and the first mounting assembly further comprises a probe mounting sleeve, a return spring positioning sleeve and a return spring; the probe mounting sleeve is fixed on the mounting body, and the probe and the return spring positioning sleeve are positioned in the probe mounting sleeve; the return spring is sleeved on the probe and props against the return spring positioning sleeve, so that the probe can reciprocate in the probe mounting sleeve.
Preferably, the balance shaft pressing block assemblies are positioned at two sides of the first sensor and connected with the second cylinder; the balance shaft pressing block assembly comprises a balance shaft pressing block, a first guide rod and a sliding bearing seat, and the balance shaft pressing block is arranged at the front end of the first guide rod; the first guide rod can do linear reciprocating motion in the sliding bearing seat; the first guide rod is provided with a guide rod connecting block, and the guide rod connecting block is used for connecting a second cylinder. The sliding bearing seat is matched with the guide rod, so that the stability of the balance shaft pressing block assembly is ensured.
Preferably, the phase detection mechanism comprises a second installation component, a second sensor and a support plate, wherein a second sensor installation through hole is formed in the support plate, and the second installation component penetrates through the installation through hole and then fixes the second sensor on the support plate.
Preferably, the gear shifting fork is in sliding connection with the supporting plate, so that accuracy of the gear shifting fork in the moving process is guaranteed.
Preferably, the fixture is provided with a positioning assembly, the positioning assembly comprises a lower positioning tray and an upper positioning plate, the lower positioning tray is arranged on the traversing tray, and the upper positioning plate is fixed below the supporting plate.
Preferably, the lower positioning tray is provided with an air cylinder connecting block; the telescopic rod of the fifth air cylinder penetrates through the transverse moving tray and then is connected with the lower positioning tray through an air cylinder connecting block; a workpiece positioning column is arranged on the lower positioning tray; the transverse moving tray is provided with a linear bearing and a second guide rod, the linear bearing is matched with the second guide rod, and one end of the second guide rod is connected with the lower positioning tray. And the linear bearings on the lower positioning tray and the transverse moving tray are convenient for quick positioning of the workpiece to be tested and ensure stability in the lifting process.
Preferably, the workpiece moving mechanism comprises a fourth cylinder, a fifth cylinder, a traversing tray and a second guide rail; the transverse moving tray is in sliding connection with the second guide rail, the telescopic rods of the fourth air cylinder and the fifth air cylinder are fixedly connected with the transverse moving tray, the moving direction of the telescopic rod of the fourth air cylinder is parallel to the second guide rail, and the moving direction of the telescopic rod of the fifth air cylinder is vertical; the transverse moving tray is provided with a second sliding block, and the second sliding block is matched with the second guide rail.
The utility model can detect the axial gap between the main dynamic balance shaft and the supporting shell and the phase angle between the main dynamic balance shaft and the main dynamic balance shaft at the same time, thereby greatly improving the detection efficiency.
Drawings
FIG. 1 is a top view of a balance shaft detection tool provided by the utility model;
FIG. 2 is a cross-sectional view taken along the A-A plane of FIG. 1;
FIG. 3 is a schematic view of a first mounting assembly according to the present utility model;
FIG. 4 is a schematic structural view of a balance shaft block according to the present utility model;
FIG. 5 is a schematic view of a positioning assembly according to the present utility model;
Fig. 6 is a cross-sectional view of a positioning assembly of the present utility model.
Wherein: 1-base body, 2-mounting rack, 3-bottom plate, 4-first cylinder, 5-first mounting component, 501-mounting body, 502-connecting block, 503-first guide rail, 504-first slider, 505-fixing piece, 506-probe mounting sleeve, 507-return spring positioning sleeve, 508-return spring, 6-second cylinder, 7-balance shaft pressing block component, 701-balance shaft pressing block, 702-first guide bar, 703-guide bar connecting block, 704-sliding bearing seat, 8-first sensor, 9-third cylinder, 10-gear shift fork, 11-second mounting component, 12-second sensor, 13-lower positioning tray, 1301-cylinder connecting block, 1302-work piece supporting positioning post, 14-upper positioning plate, 15-fourth cylinder, 16-fifth cylinder, 17-traverse tray, 1-linear bearing, 1702-second guide bar, 1703-second slider, 18-second guide rail, 19-support plate, 20-probe, 21-traverse limiting plate, 22-hydraulic buffer, 23-gear.
Detailed Description
For a better understanding of the nature of the present utility model, reference should be made to the following description of the utility model taken in conjunction with the accompanying drawings.
The utility model is suitable for detecting the axial gap between a main driven balance shaft and a supporting shell of an automobile and the phase angle between the main driven balance shaft and the main driven balance shaft, and particularly relates to a balance shaft detection tool, which is shown in fig. 1 and 2 and comprises a base main body 1, and an axial gap detection mechanism, a phase detection mechanism and a workpiece moving mechanism which are positioned on the base main body 1; the axial gap detection mechanism comprises a balance shaft pressing block assembly 7, a first sensor 8 and a gear shifting fork 10, wherein the balance shaft pressing block assembly 7 is used for fixing a supporting shell of a workpiece to be detected, and the gear shifting fork 10 is used for fixing a gear 23; the balance shaft pressing block assembly 7, the first sensor 8 and the gear shifting fork 10 are all in sliding connection with the base body 1; the phase detection mechanism is positioned above the axial gap detection mechanism and is used for detecting the phase angle between the driving balance shaft and the driven balance shaft; the workpiece moving mechanism comprises a traversing tray 17 and a fifth air cylinder 16, and the traversing tray 17 is in sliding connection with the base main body 1; the fifth cylinder 16 is fixed on the traversing tray 17 and is used for lifting the workpiece to be tested to the axial gap detection mechanism or the phase detection mechanism.
In some embodiments of the present utility model, the axial gap detection mechanism includes a mounting frame 2, a bottom plate 3 and a first cylinder 4 sequentially fixed on the mounting frame 2, and a third cylinder 9 connected to the gear fork 10; a first mounting assembly 5 is arranged on the telescopic rod of the first air cylinder 4, and the first mounting assembly 5 is used for connecting the first air cylinder 4 with a first sensor 8; a third cylinder 9 and a gear shifting fork 10 are arranged above the first sensor 8; the gear fork 10 is mounted on the telescopic rod of the third cylinder 9.
In some embodiments of the present utility model, as shown in fig. 3, the first mounting assembly 5 includes a mounting body 501, a connection block 502 connected to the mounting body 501, and a first slider 504, a fixing member 505 located on the mounting body 501, and a first guide rail 503 matching with the first slider 504, where the first guide rail 503 is fixed on the base plate 3; the connection block 502 is used for connecting the mounting body 501 and the first cylinder 4, and the fixing member 505 is used for fixing the first sensor 8 on the mounting body 501.
As a preferred embodiment of the present utility model, the measuring end of the first sensor 8 is further provided with a probe 20, and the first mounting assembly 5 further includes a probe mounting sleeve 506, a return spring positioning sleeve 507 and a return spring 508; the probe mounting sleeve 506 is fixed on the mounting body 501, and the probe 20 is positioned in the probe mounting sleeve 506; the return spring positioning sleeve 507 is positioned in the probe mounting sleeve 506, and the return spring 508 is sleeved on the probe 20 and is propped against the return spring positioning sleeve 507, so that the probe 20 can reciprocate in the probe mounting sleeve 506. The first sensor 8 and the probe 20 are connected with a first sliding block 504 on a first guide rail 503 through a mounting body 501, and the first sliding block 504 is driven by a first cylinder 4 to move so as to drive the first sensor 8 and the probe 20 to switch between an operating state (contact with a balance shaft) and a non-operating state (disconnection from the balance shaft).
In some embodiments of the present utility model, the balance shaft weight assemblies 7 are located at two sides of the first sensor 8 and connected with the second cylinder 6; as shown in fig. 4, the balance shaft block assembly 7 includes a balance shaft block 701, a first guide bar 702, and a sliding bearing block 704, wherein the balance shaft block 701 is mounted at the front end of the first guide bar 702; the first guide bar 702 can do linear reciprocating motion in the sliding bearing seat 704; the first guide rod 702 is provided with a guide rod connection block 703 for connecting the second cylinder 6.
The gear shifting fork 10 is driven by the third air cylinder 9, the balance shaft pressing block assembly 7 is driven by the second air cylinder 6 to do axial reciprocating motion, so that the balance shaft pressing block assembly 7 can be matched with the gear shifting fork 10 to drive a gear or a main driven balance shaft to do reciprocating motion, gaps between the driving balance shaft or the driven balance shaft and two sides of the axial direction of the supporting shell are eliminated, the difference value of data in two states is measured through the first sensor 8, and the axial gap value of the driving balance shaft and the driven balance shaft is calculated.
In some embodiments of the present utility model, the phase detection mechanism includes a second mounting assembly 11, a second sensor 12, and a support plate 19, where the support plate 19 is provided with a second sensor mounting through hole, and the second mounting assembly 11 passes through the mounting through hole and fixes the second sensor 12 on the support plate 19.
As a preferred embodiment of the present utility model, the third cylinder 9 is fixed to the support plate 19, and the gear fork 10 is slidably coupled to the support plate 19.
In some embodiments of the present utility model, as shown in fig. 5 and 6, the workpiece moving mechanism includes a fourth cylinder 15, a fifth cylinder 16, a traversing tray 17, and a second guide 18; the transverse moving tray 17 is slidably connected with the second guide rail 18, the telescopic rods of the fourth air cylinder 15 and the fifth air cylinder 16 are fixedly connected with the transverse moving tray 17, the moving direction of the telescopic rod of the fourth air cylinder 15 is parallel to the second guide rail 18, and the moving direction of the telescopic rod of the fifth air cylinder 16 is vertical.
As a preferred embodiment of the utility model, the fixture is provided with a positioning assembly comprising a lower positioning tray 13 and an upper positioning plate 14, the lower positioning tray 13 is mounted on a traversing tray 17, and the upper positioning plate 14 is fixed below a support plate 19.
A cylinder connecting block 1301 is arranged on the lower positioning tray 13, and a telescopic rod of the fifth cylinder 16 is connected with the lower positioning tray 13 through the cylinder connecting block 1301; a workpiece positioning column 1302 is arranged on the lower positioning tray 13; the traversing tray 17 is provided with a linear bearing 1701, a second guide rod 1702 and a second slider 1703, the linear bearing 1701 is matched with the second guide rod 1702, and one end of the second guide rod 1702 is connected with the lower positioning tray 13.
As a preferred embodiment of the present utility model, the positioning assembly further comprises a lateral limiting plate 21, the lateral limiting plate 21 is located at one end of the second guide rail 18, and a hydraulic buffer 22 is mounted on the lateral limiting plate 21.
The working process of the utility model comprises the following steps:
1. After the workpiece to be measured is connected with the workpiece positioning column 1302, the fourth cylinder 15 drives the traversing tray 17 to move to the transverse limiting plate 21 along the second guide rail 18, and the fifth cylinder 16 drives the lower positioning tray 13 to ascend until the workpiece to be measured reaches the upper positioning plate 14.
2. And (3) phase detection: the second sensor 12 detects a phase angle between both the main dynamic balance shaft and the main dynamic balance shaft.
3. Axial clearance detection: the second cylinder 6 drives the balance shaft pressing block 701 to prop against the end surfaces of the driving balance shaft and the driven balance shaft of the workpiece to be measured to eliminate a gap between the first cylinder and one side of the supporting shell, and meanwhile, the first cylinder 4 drives the first sensor 8 and the probe 20 to move to be in contact with the end surfaces of the driving balance shaft and the driven balance shaft and keep the first sensor 8 to obtain a first measurement result; then the third cylinder 9 drives the gear shifting fork 10 to shift gears on the driving balance shaft and the driven balance shaft so that the balance shaft moves to the opposite direction of the first measurement result and offsets against the shell to eliminate the gap, the first sensor 8 detects and reads the second measurement result of the first sensor 8 according to the signal of the third cylinder 9, and the axial gap value of the driving balance shaft and the driven balance shaft is calculated according to the two measurement values.
It should be noted that while the utility model has been described in terms of the above embodiments, there are many other embodiments of the utility model. Various modifications and variations of this utility model may be apparent to those skilled in the art without departing from the spirit and scope of this utility model, and it is intended to cover in the appended claims all such modifications and variations as fall within the true scope of this utility model.
Claims (10)
1. Balance shaft detects frock, its characterized in that: comprises a base main body (1), and an axial clearance detection mechanism, a phase detection mechanism and a workpiece moving mechanism which are positioned on the base main body (1); the axial gap detection mechanism comprises a balance shaft pressing block assembly (7), a first sensor (8) and a gear shifting fork (10), wherein the balance shaft pressing block assembly (7) is used for contacting the end surfaces of a driving balance shaft and a driven balance shaft of a balance shaft to be detected, and the gear shifting fork (10) is used for fixing a gear (23); the balance shaft pressing block assembly (7), the first sensor (8) and the gear shifting fork (10) are all in sliding connection with the base main body (1); the phase detection mechanism is positioned above the axial gap detection mechanism and is used for detecting the phase angle between the driving balance shaft and the driven balance shaft; the workpiece moving mechanism comprises a traversing tray (17) and a fifth air cylinder (16), and the traversing tray (17) is in sliding connection with the base main body (1); the fifth air cylinder (16) is fixed on the transverse moving tray (17) and is used for lifting the workpiece to be detected to the position of the axial gap detection mechanism or the phase detection mechanism.
2. The balance shaft detection tool according to claim 1, wherein: the axial clearance detection mechanism comprises a first cylinder (4) and a third cylinder (9) connected with the gear shifting fork (10); a first mounting assembly (5) is arranged on the telescopic rod of the first air cylinder (4), and the first mounting assembly (5) is used for connecting the first air cylinder (4) and the first sensor (8); a third cylinder (9) and a gear shifting fork (10) are arranged above the first sensor (8); the gear shifting fork (10) is arranged on the telescopic rod of the third air cylinder (9).
3. The balance shaft detection tool according to claim 2, wherein: the first mounting assembly (5) comprises a mounting body (501), a connecting block (502) connected with the mounting body (501) and a first sliding block (504), a fixing piece (505) positioned on the mounting body (501), and a first guide rail (503) matched with the first sliding block (504), wherein the first guide rail (503) is fixed on the bottom plate (3); the connecting block (502) is used for connecting the mounting body (501) and the first air cylinder (4), and the fixing piece (505) is used for fixing the first sensor (8) on the mounting body (501).
4. The balance shaft detection tool according to claim 2, wherein: the measuring end of the first sensor (8) is further provided with a probe (20), and the first mounting assembly (5) further comprises a probe mounting sleeve (506), a return spring positioning sleeve (507) and a return spring (508); the probe mounting sleeve (506) is fixed on the mounting body (501), and the probe (20) and the return spring positioning sleeve (507) are positioned in the probe mounting sleeve (506); the return spring (508) is sleeved on the probe (20) and is propped against the return spring positioning sleeve (507) so that the probe (20) can reciprocate in the probe mounting sleeve (506).
5. The balance shaft detection tool according to claim 1, wherein: the balance shaft pressing block assemblies (7) are positioned at two sides of the first sensor (8) and are connected with the second air cylinder (6); the balance shaft pressing block assembly (7) comprises a balance shaft pressing block (701), a first guide rod (702) and a sliding bearing seat (704), wherein the balance shaft pressing block (701) is arranged at the front end of the first guide rod (702); the first guide rod (702) can do linear reciprocating motion in the sliding bearing seat (704); the first guide rod (702) is provided with a guide rod connecting block (703), and the guide rod connecting block (703) is used for connecting the second air cylinder (6).
6. The balance shaft detection tool according to claim 1, wherein: the phase detection mechanism comprises a second installation component (11), a second sensor (12) and a supporting plate (19), wherein a second sensor installation through hole is formed in the supporting plate (19), and the second sensor (12) is fixed on the supporting plate (19) after the second installation component (11) penetrates through the installation through hole.
7. The balance shaft detection tool of claim 6, wherein: the gear shifting fork (10) is in sliding connection with the supporting plate (19).
8. The balance shaft detection tool of claim 6, wherein: the fixture is provided with a positioning assembly, the positioning assembly comprises a lower positioning tray (13) and an upper positioning plate (14), the lower positioning tray (13) is arranged on a transverse moving tray (17), and the upper positioning plate (14) is fixed below a supporting plate (19).
9. The balance shaft detection tool of claim 8, wherein: a cylinder connecting block (1301) is arranged on the lower positioning tray (13); the telescopic rod of the fifth air cylinder (16) penetrates through the transverse moving tray (17) and then is connected with the lower positioning tray (13) through an air cylinder connecting block (1301); a workpiece positioning column (1302) is arranged on the lower positioning tray (13); the transverse moving tray (17) is provided with a linear bearing (1701) and a second guide rod (1702), the linear bearing (1701) is matched with the second guide rod (1702), and one end of the second guide rod (1702) is connected with the lower positioning tray (13).
10. The balance shaft detection tool according to claim 1, wherein: the workpiece moving mechanism comprises a fourth air cylinder (15), a fifth air cylinder (16), a traversing tray (17) and a second guide rail (18); the transverse moving tray (17) is in sliding connection with the second guide rail (18), telescopic rods of the fourth air cylinder (15) and the fifth air cylinder (16) are fixedly connected with the transverse moving tray (17), the moving direction of the telescopic rod of the fourth air cylinder (15) is parallel to the second guide rail (18), and the moving direction of the telescopic rod of the fifth air cylinder (16) is in a vertical direction; a second slider (1703) is arranged on the traversing tray (17), and the second slider (1703) is matched with a second guide rail (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322627201.1U CN221077601U (en) | 2023-09-26 | 2023-09-26 | Balance shaft detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322627201.1U CN221077601U (en) | 2023-09-26 | 2023-09-26 | Balance shaft detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221077601U true CN221077601U (en) | 2024-06-04 |
Family
ID=91250899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322627201.1U Active CN221077601U (en) | 2023-09-26 | 2023-09-26 | Balance shaft detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221077601U (en) |
-
2023
- 2023-09-26 CN CN202322627201.1U patent/CN221077601U/en active Active
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