CN113829296A - Idle gear assembly tool, idle gear assembly method and engine - Google Patents
Idle gear assembly tool, idle gear assembly method and engine Download PDFInfo
- Publication number
- CN113829296A CN113829296A CN202010587346.1A CN202010587346A CN113829296A CN 113829296 A CN113829296 A CN 113829296A CN 202010587346 A CN202010587346 A CN 202010587346A CN 113829296 A CN113829296 A CN 113829296A
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- gear
- idler gear
- idler
- positioning
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000003825 pressing Methods 0.000 claims abstract description 46
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/06—Combinations of engines with mechanical gearing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Gears, Cams (AREA)
Abstract
The invention discloses an idler gear assembly tool, an idler gear assembly method and an engine assembled by the tool. The idler gear assembly fixture comprises: the positioning part is provided with a positioning structure, and the positioning part realizes position fixing through the positioning structure; the pressing part is rotatably connected with the positioning part and is used for pressing the idler gear to be close to the driving gear and the driven gear; install the balancing weight on the portion of suppressing, the adjustable and/or balancing weight of balancing weight can suppress the portion removal relatively to keep away from or be close to the hookup location of portion of suppressing and location portion. In the process of assembling the idler gear by adopting the tool, the idler gear receives the abutting pressure from the abutting part in a specific direction, and the force can be calculated, so that the force can be accurately and quantitatively controlled. Under the action of the force, the idler gear cannot be far away from the driving gear and the driven gear, so that after the idler gear, the driving gear and the driven gear are assembled, the proper tooth gaps can be controlled, the noise of gear transmission is reduced, and meanwhile, the rapid assembly of a production line can be realized.
Description
Technical Field
The invention relates to the technical field of idler gear assembly, in particular to an idler gear assembly tool, an idler gear assembly method and an engine assembled by the idler gear assembly tool
Background
The idler gear is assembled between the driving gear and the driven gear, is meshed with the driving gear and the driven gear and is responsible for transmitting the driving force from the driving gear to the driven gear.
During assembly, the driving gear and the driven gear are generally fixed, and then the fastener for connecting the idle gear and the corresponding base body is tightened to fix the idle gear at the preset position of the corresponding base body. However, before the fastener is tightened, the idle gear has a small position variation allowance relative to the base body, so that when the fastener is tightened, the idle gear moves in a direction away from the driving gear and the driven gear, and after assembly is completed, the backlash of the idle gear, the driving gear and the driven gear is too large, so that transmission noise is large.
In view of this, how to ensure proper backlash between the idle gear and the driving gear and the driven gear is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In order to solve the technical problem, the invention provides an idler gear assembly tool, wherein an idler gear is arranged between a driving gear and a driven gear and is meshed with the driving gear and the driven gear, and the idler gear assembly tool comprises: the positioning part is provided with a positioning structure, and the positioning part realizes position fixation through the positioning structure;
the pressing part is rotatably connected with the positioning part and is used for pressing the idler gear to be close to the driving gear and the driven gear;
the counterweight block is arranged on the pressing part, the weight of the counterweight block can be adjusted and/or the counterweight block can move relative to the pressing part so as to be far away from or close to the connecting position of the pressing part and the positioning part.
In the process of assembling the idler gear by adopting the idler gear assembling tool, the idler gear receives a force with proper magnitude from the pressing part in a specific direction, and the magnitude of the force can be calculated, so that the magnitude of the force can be accurately and quantitatively controlled. Under the effect of this power, the idler gear can not keep away from driving gear and driven gear, therefore the back of assembling, suitable backlash can be controlled to idler gear and driving gear and driven gear to reduce gear drive's noise, can realize producing the rapid Assembly of line simultaneously.
Optionally, the positioning portion is further provided with a limiting structure, and the positioning portion is connected with the driving gear mounting shaft or the driven gear mounting shaft through the limiting structure so as to limit rotation of one of the driving gear and the driven gear.
Optionally, the limiting structure comprises a via hole and at least two connecting holes, the via hole is used for the driving gear installation shaft or the driven gear installation shaft to pass through, the connecting holes are distributed in a staggered mode along the circumferential direction of the via hole, and the connecting holes are used for being correspondingly connected with holes in the peripheral flange of the driving gear installation shaft or the driven gear installation shaft.
Optionally, the pressing portion comprises a sleeve, and the sleeve is used for being sleeved on the periphery of the head of a fastening bolt penetrating through a central hole of the idle gear, so that the idle gear assembly tool presses the idle gear through the sleeve and the fastening bolt.
Optionally, an inner circumference of the sleeve forms a limiting surface, and rotation of the fastening bolt is limited by the limiting surface.
Optionally, the pressing portion is sequentially provided with a plurality of positioning holes at intervals along the moving direction of the counterweight block, and the counterweight block is provided with a matching hole matched and positioned with the positioning holes.
Optionally, a sliding groove is formed at the bottom of the counterweight block, and the counterweight block rides on the pressing portion through the sliding groove.
The invention also provides an idler gear assembling method, which is based on any one of the idler gear assembling tools, and the idler gear assembling method comprises the following steps:
installing and fixing a driving gear and a driven gear on corresponding substrates;
the idler gear is pre-installed on the corresponding base body, the idler gear is located between the driving gear and the driven gear and meshed with the driving gear and the driven gear, the positioning portion of the idler gear assembling tool is fixed at a proper position, and the pressing portion of the idler gear assembling tool is pressed against the idler gear.
And screwing a nut for fixing the idler gear, and moving a balancing weight of the idler gear assembly tool in the screwing process to enable the balancing weight to be close to or far away from the connecting position of the positioning part and the abutting part, and/or adjusting the weight of the balancing weight to enable the balancing weight to be lightened or weighted.
Because the idler gear assembling tool has the technical effects, the idler gear assembling method based on the idler gear assembling tool also has the technical effects.
Optionally, the positioning portion of the idler gear assembly tool is further provided with a limiting structure, and the idler gear assembly method further includes the following steps:
before the nut for fixing the idle gear is screwed down, the limiting structure is connected with the driving gear mounting shaft or the driven gear mounting shaft to limit the rotation of one of the driving gear and the driven gear.
The invention also provides an engine, which comprises a driving gear, a driven gear and an idle gear, wherein the driving gear is sleeved on the crankshaft, the driven gear is sleeved on the balance shaft, the idle gear is arranged between the driving gear and the driven gear and is meshed with the driving gear and the driven gear, and the idle gear is assembled and fixed on a shell of the engine through any one of the idle gear assembling tools.
The gear gaps between the idle gear and the driving gear and between the idle gear and the driven gear of the engine can be controlled within a reasonable range, so that the transmission noise is reduced.
Drawings
FIG. 1 is a schematic view of an idler gear assembly fixture that can be used to mount an engine idler gear according to the present invention;
FIG. 2 is a schematic view of an idler gear of the engine assembled using the idler gear assembly fixture of FIG. 1;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is a schematic view of a preferred force application direction of the idler gear assembly fixture;
FIG. 5 is a schematic view of the positioning part in FIG. 1;
FIG. 6 is a schematic view of the pressing portion of FIG. 1;
fig. 7 is a schematic view of the weight member in fig. 1.
The reference numerals are explained below:
01 driving gear, 02 driven gear, 03 idler gear;
1 positioning part, 11 through holes, 12 through holes, 13 connecting holes, 14 lug plates and 141 lug holes;
2, a pressing part, 21 a sleeve, 22 a first connecting rod, 221 a positioning hole and 23 a second connecting rod;
3 balancing weight, 31 matching hole and 32 chute;
the point of intersection C, the center of the idler gear D.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the idler gear assembling tool includes:
the positioning part 1 is provided with a positioning structure, and the positioning part 1 realizes position fixation through the positioning structure;
the pressing part 2 is rotatably connected with the positioning part 1 and is used for pressing the idler gear to be close to the driving gear and the driven gear;
balancing weight 3, balancing weight 3 install on pressing portion 2, and the adjustable and/or balancing weight 3 of balancing weight 3 can press portion 2 removal relatively to keep away from or be close to the hookup location of pressing portion 2 and location portion 1.
Specifically, the weight of the balancing weight can be changed by replacing a heavier or lighter balancing weight, and the weight of the balancing weight can also be changed by superposing or reducing the balancing weight.
The idle gear assembling tool can be used for assembling an idle gear of an engine, and can also be used for assembling idle gears of other devices or machines, and fig. 2 shows the state of the idle gear assembling tool when the idle gear of the engine is assembled; the idler gear assembling method based on the idler gear assembling tool is described in detail below with reference to fig. 2.
The idle gear assembly method comprises the following steps:
firstly, the driving gear and the driven gear are fixedly arranged on the corresponding base bodies.
For an engine, a base body corresponding to a driving gear 01 is a crankshaft, a driving gear is pressed on the periphery of the crankshaft, a base body corresponding to a driven gear 02 is a balance shaft, the driven gear is mounted on the periphery of the balance shaft through a fastener, the crankshaft rotates to drive the driving gear to rotate, and the driving gear drives the driven gear to rotate through an idle gear 03 so as to drive the balance shaft to rotate.
Then, the idler gear is pre-installed on the corresponding base body, the idler gear is located between the driving gear and the driven gear and meshed with the driving gear and the driven gear, the positioning portion 1 of the idler gear assembling tool is fixed at a proper position, and the pressing portion 2 of the idler gear assembling tool abuts against the idler gear.
For an engine, the positioning portion 1 of the idler gear assembly fixture may be fixed to the engine case. Specifically, the positioning structure of the positioning portion 1 may be set as a through hole 11, a hole corresponding to the through hole 11 is provided on the casing of the engine, and the positioning portion 1 and the casing of the engine are fixedly connected by passing a fastener through the through hole 11 and the hole corresponding thereto. Because other structures of the idler gear assembling tool are directly or indirectly connected to the positioning part 1, the position of the whole idler gear assembling tool is fixed after the position of the positioning part 1 is fixed.
For an engine, a base body corresponding to an idle gear is an engine shell, the idle gear is fixed on the engine shell through a fastening bolt and a nut, the fastening bolt sequentially penetrates through a center hole of the idle gear and the engine shell, the nut is screwed at the tail end of the fastening bolt, and the head of the fastening bolt and the nut are matched and clamped with the idle gear and the engine shell, so that the position fixation of the idle gear is realized.
Then, the nut is screwed, and in the screwing process, the balancing weight 3 is moved to enable the balancing weight 3 to be close to or far away from the connecting position (hereinafter referred to as the connecting position) of the positioning part 1 and the abutting part 2, and/or the weight of the balancing weight 3 is adjusted, so that the balancing weight 3 is lightened or weighted.
The balancing weight 3 applies force to the pressing part 2, so that the pressing part 2 applies force (hereinafter referred to as forward force) for enabling the idler gear to be close to the driving gear and the driven gear to the idler gear, the force can overcome force (hereinafter referred to as reverse force) for enabling the idler gear to be far away from the driving gear and the driven gear in the nut screwing process, and the idler gear cannot be far away from the driving gear and the driven gear in the nut screwing process, so that the gear clearance of the idler gear, the driving gear and the driven gear is ensured to be in a reasonable gear clearance range after the idler gear is assembled.
By moving the weight 3 and/or adjusting the weight of the weight 3, the magnitude of the forward force can be changed, so that the reverse force can be overcome by the forward force. The forward force is not suitable to be too large or too small, if the forward force is too large, the gear teeth can be damaged, and if the forward force is too small, the reverse force cannot be overcome.
Generally, as shown in fig. 4, during the process of tightening the nut, the reverse force to which the idler gear is subjected lies on the line connecting the center D of the idler gear and the intersection point C, which is the intersection point of the tangent to the idler gear and the drive gear and the tangent to the idler gear and the driven gear. In order to make the forward force overcome the reverse force, it is necessary to ensure that the component F of the forward force on the connecting line DC is exactly equal to or slightly greater than the reverse force.
As shown in fig. 3, since the connecting position of the pressing portion 2 and the positioning portion 1 is fixed, and the idler gear is connected to the pressing portion 2, the distance L between the center D of the idler gear and the connecting position is not changed, so that the component force F of the forward force can be calculated according to the following formula F '× L' ═ F × L, where F 'is the force applied by the weight block 3 to the pressing portion 2, or the gravity of the weight block 3, and L' is the distance between the force applying point of the weight block 3 and the connecting position of the pressing portion 2 and the positioning portion 1. Since the force can be calculated, the magnitude of the force can be accurately and quantitatively controlled.
As can be seen from the above description, in the process of assembling the idler gear by using the idler gear assembling tool, the idler gear receives a force with a proper magnitude from the pressing part 2 in a specific direction, and the magnitude of the force can be calculated, so that the magnitude of the force can be accurately and quantitatively controlled. Under the effect of this power, the idler gear can not keep away from driving gear and driven gear, therefore the back of assembling, suitable backlash can be controlled to idler gear and driving gear and driven gear to reduce gear drive's noise, can realize producing the rapid Assembly of line simultaneously.
Specifically, location portion 1 can also set up limit structure, and location portion 1 passes through limit structure and connects driving gear installation axle or driven gear installation axle to one can't rotate in messenger's driving gear and the driven gear. Therefore, the idle gear cannot rotate in the process of screwing the nut, so that the operation of screwing the nut is simple and easy.
More specifically, limit structure can include via hole 12 and two at least connecting holes 13, and via hole 12 supplies driving gear installation axle or driven gear installation axle to pass, and connecting hole 13 staggers along the circumference of via hole 12 and arranges, and connecting hole 13 is used for corresponding the connection with the hole on driving gear installation axle or the driven gear installation axle periphery flange.
For the engine, it is easier to limit the rotation of the driving gear, so the illustrated through hole 12 is used for the crankshaft to pass through, and the illustrated three connecting holes 13 are correspondingly connected with the holes on the peripheral flange of the crankshaft.
Specifically, the pressing part 2 may include a sleeve 21, and when the pressing part is used, the sleeve 21 is sleeved on the periphery of the head of the fastening bolt penetrating through the center hole of the idler gear, so that the idler gear assembly tool presses the fastening bolt through the sleeve 21, and further presses the idler gear. With the structure, the rotation of the pressing part 2 is not obstructed, and the pressing part 2 can be ensured to be always kept in a pressing relation with the idle gear in the rotation process.
Specifically, the inner periphery of the sleeve 21 may further be provided with a limiting surface, and the rotation of the fastening bolt is limited by the limiting surface. Due to the arrangement, in the process of screwing the nut, other mechanisms do not need to be additionally arranged to limit the rotation of the fastening bolt, so that the operation of screwing the nut is simpler.
In the illustrated scheme, the pressing portion 2 further includes a first connecting rod 22 and a second connecting rod 23 connected to each other, the counterweight 3 is mounted on the first connecting rod 22, and the sleeve 21 is mounted on the second connecting rod 23. The first link 22 is a relatively straight rod and the second link 23 is a bent rod. One end of the first link 22 is connected with one end of the second link 23, a pivot hole is arranged at the connecting position, two ear plates 14 are arranged at intervals on the positioning part 1, and the pressing part 2 is pivoted between the two ear plates 14 through the pivot hole, the ear hole 141 on the ear plate 14 and the pivot shaft. The pressing portion 2 having such a structure is relatively easy to be removed from other components of the engine, but in actual implementation, the structure of the pressing portion 2 may be set according to a device or a machine to which the pressing portion is specifically applied, and is not limited to the above structure.
Specifically, the sleeve 21 may be detachably coupled to the second link 22, so that it is convenient to replace the sleeves of different specifications according to the size and shape of the head of the fastening bolt for fixing the idle gear.
In a specific scheme, the first connecting rod 22 is sequentially provided with a plurality of positioning holes 221 at intervals along the moving direction of the balancing weight 3, the balancing weight 3 is provided with a matching hole 31 matched and positioned with the positioning holes 221, and when the balancing weight 3 moves to a target position, the matching hole 31 is connected with the corresponding positioning hole 221 by a fastener, so that the positioning of the balancing weight 3 is realized.
In a specific embodiment, the bottom of the weight block 3 forms a sliding groove 32, and the weight block 3 rides on the first connecting rod 22 through the sliding groove 32. Thus, when the counterweight block 3 is moved, the counterweight block 3 only needs to slide along the extending direction of the sliding groove 32, so that the counterweight block 3 can be moved conveniently.
The invention also protects an engine, an idle gear of which is assembled by adopting the idle gear assembling tool, other structures of the engine are well known by the technical personnel in the field, and the parts are not important for protection of the invention, so the description is not repeated.
The idle gear assembling tool, the idle gear assembling method and the engine provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. Idler gear assembly fixture, idler gear install between driving gear and driven gear and with both meshing, its characterized in that, idler gear assembly fixture includes:
the positioning part (1), the positioning part (1) is provided with a positioning structure, and the positioning part (1) realizes position fixation through the positioning structure;
the pressing part (2) is rotatably connected with the positioning part (1) and is used for pressing the idler gear to be close to the driving gear and the driven gear;
the counterweight block (3) is installed on the pressing portion (2), the weight of the counterweight block (3) is adjustable, and/or the counterweight block (3) can move relative to the pressing portion (2) so as to be far away from or close to the connecting position of the pressing portion (2) and the positioning portion (1).
2. The idler gear assembly tool of claim 1, wherein the positioning portion (1) is further provided with a limiting structure, and the positioning portion (1) is connected with the driving gear mounting shaft or the driven gear mounting shaft through the limiting structure so as to limit rotation of one of the driving gear and the driven gear.
3. The idler gear assembling tool according to claim 2, wherein the limiting structure comprises a through hole (12) and at least two connecting holes (13), the through hole (12) is used for a driving gear mounting shaft or a driven gear mounting shaft to pass through, the connecting holes (13) are arranged in a staggered mode along the circumferential direction of the through hole (12), and the connecting holes (13) are used for being correspondingly connected with holes in peripheral flanges of the driving gear mounting shaft or the driven gear mounting shaft.
4. An idler gear assembly tool according to any one of claims 1-3, wherein the pressing portion (2) comprises a sleeve (21), and the sleeve (21) is used for being sleeved on the periphery of the head of a fastening bolt penetrating through a central hole of the idler gear, so that the idler gear assembly tool is pressed against the idler gear through the sleeve (21) and the fastening bolt.
5. The idler gear assembly tool according to claim 4, wherein a limiting surface is formed on the inner periphery of the sleeve (21), and the rotation of the fastening bolt is limited through the limiting surface.
6. An idler gear assembling tool according to any one of claims 1-3, wherein the pressing portion (2) is sequentially provided with a plurality of positioning holes (221) at intervals along the moving direction of the balancing weight (3), and the balancing weight (3) is provided with a matching hole (31) matched and positioned with the positioning holes (221).
7. The idler gear assembling tool as claimed in claim 6, wherein a sliding groove (32) is formed at the bottom of the counterweight block (3), and the counterweight block (3) rides on the pressing portion (2) through the sliding groove (32).
8. An idler gear assembling method based on the idler gear assembling tool as claimed in any one of claims 1 to 7, and the idler gear assembling method is characterized by comprising the following steps of:
installing and fixing a driving gear and a driven gear on corresponding substrates;
the idler gear is pre-installed on the corresponding base body, the idler gear is located between the driving gear and the driven gear and meshed with the driving gear and the driven gear, the positioning portion (1) of the idler gear assembling tool is fixed at a proper position, and the pressing portion (2) of the idler gear assembling tool is pressed against the idler gear.
And screwing a nut for fixing the idler gear, and moving the balancing weight (3) of the idler gear assembly tool in the screwing process to enable the balancing weight (3) to be close to or far away from the connecting position of the positioning part (1) and the pressing part (2), and/or adjusting the weight of the balancing weight (3) to enable the balancing weight (3) to be lightened or weighted.
9. The assembling method according to claim 8, wherein the positioning portion (1) of the idler gear assembling tool is further provided with a limiting structure, and the assembling method of the idler gear further comprises the following steps:
before the nut for fixing the idle gear is screwed down, the limiting structure is connected with the driving gear mounting shaft or the driven gear mounting shaft to limit the rotation of one of the driving gear and the driven gear.
10. An engine, the said engine includes driving gear, driven gear and idler gear, the driving gear is fitted on crankshaft, the driven gear is fitted on balance shaft, the idler gear is installed between driving gear and driven gear and engaged with both, characterized by that, the said idler gear is assembled and fixed on engine casing through the assembly fixture of idler gear according to any claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010587346.1A CN113829296A (en) | 2020-06-24 | 2020-06-24 | Idle gear assembly tool, idle gear assembly method and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010587346.1A CN113829296A (en) | 2020-06-24 | 2020-06-24 | Idle gear assembly tool, idle gear assembly method and engine |
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| Publication Number | Publication Date |
|---|---|
| CN113829296A true CN113829296A (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010587346.1A Pending CN113829296A (en) | 2020-06-24 | 2020-06-24 | Idle gear assembly tool, idle gear assembly method and engine |
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| CN (1) | CN113829296A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100376A (en) * | 2013-04-08 | 2014-10-15 | 重庆长安汽车股份有限公司 | Combination bracket for engine accessory wheel train |
| CN105269521A (en) * | 2015-11-10 | 2016-01-27 | 安庆中船柴油机有限公司 | Automatic idle gear assembly mechanism |
| CN107642413A (en) * | 2017-10-30 | 2018-01-30 | 重庆小康工业集团股份有限公司 | Idle pulley mounting assembly |
| CN111168372A (en) * | 2020-03-24 | 2020-05-19 | 大连纳思达汽车设备有限公司 | Auxiliary tool for mounting idle wheel of automobile engine |
| CN210703541U (en) * | 2019-09-04 | 2020-06-09 | 恩坦华汽车零部件（镇江）有限公司 | Automobile glass riser miniature direct current motor gear shell assembly system |
-
2020
- 2020-06-24 CN CN202010587346.1A patent/CN113829296A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100376A (en) * | 2013-04-08 | 2014-10-15 | 重庆长安汽车股份有限公司 | Combination bracket for engine accessory wheel train |
| CN105269521A (en) * | 2015-11-10 | 2016-01-27 | 安庆中船柴油机有限公司 | Automatic idle gear assembly mechanism |
| CN107642413A (en) * | 2017-10-30 | 2018-01-30 | 重庆小康工业集团股份有限公司 | Idle pulley mounting assembly |
| CN210703541U (en) * | 2019-09-04 | 2020-06-09 | 恩坦华汽车零部件（镇江）有限公司 | Automobile glass riser miniature direct current motor gear shell assembly system |
| CN111168372A (en) * | 2020-03-24 | 2020-05-19 | 大连纳思达汽车设备有限公司 | Auxiliary tool for mounting idle wheel of automobile engine |
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Application publication date: 20211224 |