CN212635597U

CN212635597U - Gear assembly in right time and inspection device

Info

Publication number: CN212635597U
Application number: CN202021240605.5U
Authority: CN
Inventors: 吴培柱; 许保雄; 刘俊; 潘志红
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-02
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a gear timing assembly and inspection device, which comprises a gear positioning seat and an angle reference seat; the gear positioning seat comprises a gear sleeve, an alignment block and a positioning pin; the gear sleeve is in a stepped sleeve shape, the aligning block is arranged on the outer side of the gear sleeve through a positioning pin, and a waist-shaped hole is formed in the upper part of the aligning block; the angle reference seat comprises clamping blocks, an intermediate shaft, handles, adjusting blocks and guide pins, the clamping blocks are connected to the intermediate shaft at intervals, the handles are installed at the upper ends of the clamping blocks, and the adjusting blocks are installed on the inner sides of bayonets of the clamping blocks; the guide pin is installed in the middle of the clamping block, is flush with the middle shaft and extends outwards to a waist-shaped hole in the upper portion of the alignment block, and the guide pin is in sliding fit with the waist-shaped hole. Through the design, the assembling and checking procedures of the gear and the crankshaft are combined together, and the mounting efficiency and the assembling precision of the gear and the crankshaft are effectively improved.

Description

Gear assembly in right time and inspection device

Technical Field

The utility model relates to an engine assembly technical field, concretely relates to gear assembly in right time and inspection device.

Background

In the process of manually assembling the engine timing gear and the crankshaft, the heated gear needs to be quickly mounted on a specified position of the crankshaft. In the prior timing gear assembling device, a tool is generally used for assembling the timing gear on the crankshaft, and then another set of tool is used for correcting the assembling position of the gear and the crankshaft, so that the two sets of tools cannot be well combined, the working procedures are increased, the assembling efficiency of the gear and the crankshaft is reduced, the assembling precision is relatively low, and the quality of products is influenced. In this regard, a new gear timing assembly and inspection device is needed.

The above background disclosure is only provided to aid in understanding the concepts and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present patent application, and it should not be used to assess the novelty and inventive step of the present application without explicit evidence that the above content has been disclosed at the filing date of the present patent application.

SUMMERY OF THE UTILITY MODEL

The utility model provides an assembly in right time and inspection device for above-mentioned technical problem, effectively combine the assembly and the inspection process of gear together, improve the efficiency of gear and bent axle installation.

In order to realize the purpose, the utility model adopts the following technical scheme:

a gear timing assembly and inspection device comprises a gear positioning seat and an angle reference seat; the gear positioning seat comprises a gear sleeve, an alignment block and a positioning pin; the gear sleeve is in a stepped sleeve shape, the aligning block is arranged on the outer side of the gear sleeve through a positioning pin, and a waist-shaped hole is formed in the upper part of the aligning block; the angle reference seat comprises clamping blocks, an intermediate shaft, handles, adjusting blocks and guide pins, the clamping blocks are connected to the intermediate shaft at intervals, the handles are installed at the upper ends of the clamping blocks, and the adjusting blocks are installed on the inner sides of bayonets of the clamping blocks; the guide pin is installed in the middle of the clamping block, is flush with the middle shaft and extends outwards to a waist-shaped hole in the upper portion of the alignment block, and the guide pin is in sliding fit with the waist-shaped hole.

Furthermore, the gear sleeve is provided with a handle, a stepped hole and an accommodating hole, and the stepped hole and the accommodating hole are communicated, so that the whole gear sleeve is in a stepped sleeve shape; the positioning pin comprises a positioning pin a and a positioning pin b, and a part of the positioning pin b protrudes into the accommodating hole when being installed.

Furthermore, a pin hole a, a pin hole b and an offset end surface are arranged on an outer stepped surface where the stepped hole is connected with the accommodating hole.

Furthermore, a pin hole c and a U-shaped groove are sequentially arranged at the lower part of the waist-shaped hole of the alignment block; the side of the aligning block is provided with a rectangular groove which penetrates through the U-shaped groove.

Further, the fixture blocks are Y-shaped fixture block A, Y type fixture block B and rectangular fixture blocks; the Y-shaped fixture block A and the Y-shaped fixture block B are connected to two sides of the middle shaft, and the rectangular fixture block is connected to the middle of the middle shaft.

Furthermore, the upper part of the Y-shaped clamping block A is provided with a through hole of the middle shaft, the middle part of the Y-shaped clamping block A is provided with a guide pin fixing hole, the two sides of the lower part of the Y-shaped clamping block A are respectively provided with a right clamping foot and a left clamping foot, and the right clamping foot and the left clamping foot are respectively provided with a screw hole for fixing the adjusting block.

Furthermore, the right clamping foot and the left clamping foot of the Y-shaped clamping block A form an inverted V shape, and the angle of the V-shaped clamping angle is 90 degrees.

Furthermore, the lower part of the rectangular fixture block is a U-shaped shaft neck bayonet, the upper part of the rectangular fixture block is provided with a through hole of the intermediate shaft, and two sides of the shaft neck bayonet are respectively provided with a screw hole for mounting the adjusting block.

Further, the handle is simple frame shape, and the both ends of handle are provided with the screw hole.

Further, the intermediate shaft is a hollow shaft.

The utility model has the advantages of compared with the prior art:

(1) the utility model relates to a gear positioning seat, angle reference seat utilize to adjust the sliding fit of piece and uide pin well, realize combining function between them, effectively combine the assembly and the inspection process of gear together, improve the efficiency of gear and bent axle installation. And the angle alignment adopts the waist-shaped hole and the guide pin to be matched in a sliding way, and the waist-shaped hole is arranged to reduce the manufacturing precision of the parallelism in the vertical direction, thereby saving the manufacturing cost.

(2) The angle reference seat is composed of a Y-shaped fixture block A and a Y-shaped fixture block B with a 90-degree V-shaped angle, a rectangular fixture block, a hollow middle shaft assembly, a frame-shaped handle and the like, and is light in structure and easy to guarantee machining precision.

(3) The locating pin b is clamped to the U-shaped groove and the rectangular groove firstly, then the pin hole b is installed, a part of the locating pin b protrudes into the accommodating hole when the locating pin b is installed, the locating pin b is enabled to have the functions of locating the alignment block and the gear through the design, and the structure is simple and ingenious.

Drawings

FIG. 1 is a schematic structural view of the gear timing assembly and inspection device of the present invention;

FIG. 2 is a schematic left side view of an angle reference block of the gear timing assembly and inspection apparatus;

FIG. 3 is a schematic front view of a gear positioning seat of the gear timing assembling and inspecting device;

FIG. 4 is a left side view of the gear positioning seat of the gear timing assembly and inspection device;

FIG. 5 is a schematic structural diagram of a gear sleeve of the gear positioning seat in a front view;

FIG. 6 is a left side view of the gear sleeve of the gear positioning seat;

FIG. 7 is a front view of the alignment block of the gear positioning base;

FIG. 8 is a left side view of the alignment block of the gear alignment seat;

FIG. 9 is a front view of the locating pin;

FIG. 10 is a front view of the guide pin;

FIG. 11 is a schematic view of a front view of a handle of the angle reference;

FIG. 12 is a front view of the adjusting block of the angle reference base;

FIG. 13 is a schematic structural diagram of a Y-shaped fixture block A of the angle reference seat in a front view;

FIG. 14 is a schematic diagram of a front view of a rectangular fixture block of the angular reference seat;

FIG. 15 is a front view of a connection structure of a Y-shaped fixture block A, Y type fixture block B, a rectangular fixture block and a middle shaft of the angle reference seat;

FIG. 16 is a left side view of a connection structure of a Y-shaped fixture block A, Y type fixture block B, a rectangular fixture block and a middle shaft of the angle reference seat;

reference numerals: 1. a gear positioning seat; 11. a gear sleeve; 111. a handle; 112. a stepped hole; 113. an accommodation hole; 114. a pin hole a; 115. a pin hole b; 116. an offset end face; 12. aligning the block; 121. a waist-shaped hole; 122. a pin hole c; 123, a U-shaped groove; 124. a rectangular groove; 13. positioning pins a; 14. positioning pins b; 2. an angle reference base; 21, a Y-shaped fixture block A; 211. a guide pin fixing hole; 212. a right clamping pin; 213. a left clamping pin; 22, a Y-shaped fixture block B; 23. a rectangular fixture block; 231. a shaft neck bayonet; 24. an intermediate shaft; 25. a handle; 26. an adjusting block; 27. a guide pin; 3. a gear; 4. a crankshaft.

Detailed Description

In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment. It should be understood that the directions "up", "down", "left" and "right" in the following embodiments of the present invention are all based on the position of the corresponding drawing. These directional terms are used for convenience of description only and do not represent limitations on the particular embodiments of the present invention. Unless otherwise specified, like reference numerals in the reference numerals refer to like structures.

As shown in fig. 1-2, the gear timing assembly and inspection device of the present invention comprises a gear positioning seat 1 and an angle reference seat 2; referring to fig. 3-4, the gear positioning seat 1 includes a gear sleeve 11, an alignment block 12, a positioning pin a13, and a positioning pin b 14; the structure of the positioning pins a13 and b14 is shown in FIG. 9; referring to fig. 5 to 6, the gear sleeve 11 is provided with a handle 111, a stepped hole 112 and an accommodating hole 113, the stepped hole 112 and the accommodating hole 113 are communicated, so that the entire gear sleeve 11 is in a sleeve shape, and the accommodating hole 113 is arranged at the right end of the gear sleeve 11 and is used for sleeving the gear 3; referring to fig. 6, a pin hole a114, a pin hole b115, and an offset end surface 116 are disposed on an outer stepped surface of the stepped hole 112 connected to the receiving hole 113, and the offset end surface 116 gives way to the pin hole b 115; referring to fig. 7 to 8, the aligning block 12 is provided with a waist-shaped hole 121, and the lower portion of the waist-shaped hole 121 is provided with a pin hole c122, a U-shaped groove 123 and a rectangular groove 124. When the alignment block 12 and the gear sleeve 11 are installed, the positioning pin b14 is firstly clamped on the U-shaped groove 123 and the rectangular groove 124, then the positioning pin b14 is aligned with the pin hole b115 on the gear sleeve 11, the positioning pin a13 is installed on the pin hole c122 of the alignment block 12 and aligned with the pin hole a114, then the positioning pin a13 and the positioning pin b14 are knocked in place, and the bolt is screwed, so that the alignment block 12 is installed on the gear sleeve 11; as shown in fig. 3, the accommodation hole 113 has a protruding positioning pin b14 therein.

Referring to fig. 1-2, the angle reference base 2 comprises a fixture block, an intermediate shaft 24, a handle 25, an adjusting block 26 and a guide pin 27, wherein the fixture block is divided into a Y-shaped fixture block a21, a Y-shaped fixture block B22 and a rectangular fixture block 23; as shown in fig. 13, the upper portion of the Y-shaped clamping block a21 is a through hole of the middle shaft 24, the middle portion is provided with a guide pin fixing hole 211, two sides of the lower portion are respectively provided with a right clamping leg 212 and a left clamping leg 213, and the right clamping leg 212 and the left clamping leg 213 are respectively provided with a screw hole for mounting the adjusting block 26; the Y-shaped cartridge B22 has substantially the same structure as the Y-shaped cartridge a21 except that the Y-shaped cartridge B22 is not provided at the center thereof with a guide pin fixing hole 211. Referring to fig. 14, the lower portion of the rectangular fixture block 23 is a U-shaped journal bayonet 231, the upper portion thereof is provided with a through hole of the intermediate shaft 24, and both sides of the journal bayonet 231 are respectively provided with a screw hole for mounting the adjusting block 26; referring to fig. 10, one end of the guide pin 27 is provided with a flange to be fitted into the guide pin fixing hole 211 of the Y-latch a 21.

Referring to fig. 13, the right clamping leg 212 and the left clamping leg 213 of the Y-shaped clamping block a21 and the Y-shaped clamping block B22 form an inverted V shape, and the included angle is 90 degrees; referring to fig. 15, the intermediate shaft 24 is a hollow shaft; referring to fig. 1 and 11, the handle 25 is in a simple frame shape, and screw holes are provided at both ends of the handle 25. Further, referring to fig. 15 and 16, the intermediate shaft 24 sequentially passes through the through holes of the Y-shaped fixture block a21, the rectangular fixture block 23 and the Y-shaped fixture block B22 and is welded and fixed according to the distance between the shaft diameters of the crankshaft 4, the adjusting blocks 26 are respectively installed on the inner sides of the bayonets of the fixture blocks through screws, and the handle 25 is installed at the upper ends of the fixture blocks; the guide pin 27 is mounted to the guide pin fixing hole 211 of the Y-shaped latch a21 by a screw and extends outward.

The utility model discloses the device is when using, puts bent axle 4 on ordinary V-arrangement seat, and first connecting rod journal has blocked angle reference seat 2 on first connecting rod journal and adjacent main shaft journal up. The timing gear 3 is heated for a specified time, and the hand-held heat-insulating glove gripping gear 3 is placed in the accommodating hole 113 of the gear positioning seat 1. After the gear 3 is in place, referring to fig. 1, the gear 3 is sleeved on the crankshaft 4 by the hand-held handle 111, the center of the gear 3 is aligned with the center of the main journal, the waist-shaped hole 121 on the alignment block 12 is aligned with the guide pin 27 while the gear 3 is sleeved on the main journal, then the waist-shaped hole 121 is in sliding fit with the guide pin 27, the center hole of the gear 3 is in sliding fit with the installed journal of the crankshaft 4, after the gear 3 is pushed to be in place, the pressure is manually maintained for a certain time, and then the device is removed, wherein the gear 3 is correctly installed at the position of. Further, after the gear 3 is installed, the device is used for checking whether the slotted hole 121 and the guide pin 27 are aligned and matched in a sliding mode, and therefore whether the installation angle is qualified is judged. The device simple structure, convenient operation effectively realizes the high-quality assembly of small batch of spare part.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. A gear timing assembly and inspection device is characterized in that: comprises a gear positioning seat and an angle reference seat; the gear positioning seat comprises a gear sleeve, an alignment block and a positioning pin; the gear sleeve is in a stepped sleeve shape, the aligning block is arranged on the outer side of the gear sleeve through a positioning pin, and a waist-shaped hole is formed in the upper part of the aligning block; the angle reference seat comprises clamping blocks, an intermediate shaft, handles, adjusting blocks and guide pins, the clamping blocks are connected to the intermediate shaft at intervals, the handles are installed at the upper ends of the clamping blocks, and the adjusting blocks are installed on the inner sides of bayonets of the clamping blocks; the guide pin is installed in the middle of the clamping block, is flush with the middle shaft and extends outwards to a waist-shaped hole in the upper portion of the alignment block, and the guide pin is in sliding fit with the waist-shaped hole.

2. The gear timing assembly and inspection device of claim 1 wherein: the gear sleeve is provided with a handle, a stepped hole and an accommodating hole, and the stepped hole and the accommodating hole are communicated, so that the whole gear sleeve is in a stepped sleeve shape; the positioning pin comprises a positioning pin a and a positioning pin b, and a part of the positioning pin b protrudes into the accommodating hole when being installed.

3. The gear timing assembly and inspection device of claim 2, wherein: the outer stepped surface of the stepped hole connected with the accommodating hole is provided with a pin hole a, a pin hole b and an offset end surface.

4. The gear timing assembly and inspection device of claim 1 wherein: the lower part of the waist-shaped hole of the alignment block is sequentially provided with a pin hole c and a U-shaped groove; the side of the aligning block is provided with a rectangular groove which penetrates through the U-shaped groove.

5. The gear timing assembly and inspection device of claim 1 wherein: the fixture blocks are Y-shaped fixture block A, Y type fixture block B and rectangular fixture blocks; the Y-shaped fixture block A and the Y-shaped fixture block B are connected to two sides of the middle shaft, and the rectangular fixture block is connected to the middle of the middle shaft.

6. The gear timing assembly and inspection device of claim 5 wherein: the upper portion of the Y-shaped clamping block A is provided with a through hole of the middle shaft, the middle portion of the Y-shaped clamping block A is provided with a guide pin fixing hole, the two sides of the lower portion of the Y-shaped clamping block A are respectively provided with a right clamping foot and a left clamping foot, and screw holes for fixing the adjusting block are respectively formed in the right clamping foot and the left clamping foot.

7. The gear timing assembly and inspection device of claim 6 wherein: the right clamping foot and the left clamping foot of the Y-shaped clamping block A form an inverted V shape, and the angle of the V-shaped clamping angle is 90 degrees.

8. The gear timing assembly and inspection device of claim 5 wherein: the lower part of the rectangular clamping block is a U-shaped shaft neck bayonet, the upper part of the rectangular clamping block is provided with a through hole of the intermediate shaft, and two sides of the shaft neck bayonet are respectively provided with a screw hole for mounting the adjusting block.

9. The gear timing assembly and inspection device of claim 1 wherein: the handle is simple frame shape, and the both ends of handle are provided with the screw hole.

10. The gear timing assembly and inspection device of claim 1 wherein: the intermediate shaft is a hollow shaft.