CN211565749U - Assembling device for fastening and centering locking structure - Google Patents
Assembling device for fastening and centering locking structure Download PDFInfo
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- CN211565749U CN211565749U CN201922250275.1U CN201922250275U CN211565749U CN 211565749 U CN211565749 U CN 211565749U CN 201922250275 U CN201922250275 U CN 201922250275U CN 211565749 U CN211565749 U CN 211565749U
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- hollow cylinder
- sleeve
- fastening
- centering
- locking structure
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Abstract
The utility model provides an assembly quality for locking structure fastening centering, including hollow cylinder, location tooth's socket, afterburning sleeve pipe, sleeve interface and observation hole. This assembly quality is through using the location tooth's socket, and completion device fixes a position and fixes fast, and the screw hole centering can be accomplished in the fastening process utilizing the top to observe the hole, and the sleeve interface can improve work efficiency with the general afterburning sleeve adaptation of each type, and utilizes afterburning sleeve pipe, can cooperate the observation hole to accomplish centering fine setting operation. After the alignment and stress application, the whole tool is free from being stuck, the assembling device with the locking structure fastened and centered can be quickly disassembled, and other assembling difficulties can not be caused.
Description
Technical Field
The utility model belongs to the technical field of the precision assembly, concretely relates to an assembly quality that is used for locking structure fastening centering suitable for fastening plug screw assembly.
Background
The fastening screw plug is a part for fixedly combining the transmission shaft at the input end of the gearbox and an external engine connecting disc, and in order to ensure connection and fastening, the fastening screw plug needs to apply force more than 600 N.m during assembly and is matched with a screw for looseness prevention. The accident caused by disconnection of the gearbox and the engine is avoided. The traditional assembly process is mainly completed by three steps: the method comprises the steps of firstly screwing a fastening screw plug into an assembly point for pre-connection, secondly fixing the force applying device and the fastening screw plug by using a force applying device through a groove outside the fastening screw plug, and then applying force by using a force applying rod extending out of the force applying device. And thirdly, removing the force applying device to check the alignment condition of the screw hole, continuously applying force to the screw hole by using the force applying device when the screw hole is not aligned, and prejudging and aligning the screw hole to an alignment position. However, the assembly process is labor-consuming and laborious, damage to the connecting thread or failure due to overlarge local stress can be caused by overlarge stress application, the risk coefficient is high, and the working difficulty is high. Therefore, designing a new device, reducing the assembling work intensity, improving the assembling precision, and improving the operation mode becomes one of the urgent problems to be solved.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides an assembly quality for locking structure fastening centering to it is hard that it takes a lot of work to solve gearbox fastening plug screw assembling process, and the afterburning too big technical problem that can cause hookup screw thread damage or local stress too big inefficacy.
(II) technical scheme
In order to solve the technical problem, the utility model provides an assembly device for fastening and centering a locking structure, which consists of a solid part and a virtual part; the solid part is a hollow cylinder, and the virtual part comprises a positioning tooth socket, a stress application sleeve and a sleeve connector; the outer diameter of the hollow cylinder is not larger than the groove of the position to be installed of the connecting disc, the inner part of the hollow cylinder is of a hollow structure, the height of the hollow cylinder is free from a top structure of the fastening screw plug, and a stress application sleeve space is reserved; the positioning tooth socket is directly machined and formed at the bottom of the hollow cylinder and used for quickly positioning the device in a groove outside the fastening bolt; the stress application sleeve penetrates through the hollow cylinder and is fixedly connected with the hollow cylinder; the sleeve interface sets up on hollow cylinder's top for the corresponding specification spanner of cooperation uses.
Furthermore, the positioning tooth grooves are slightly smaller than the external grooves of the fastening screw plugs by 5-10%.
Furthermore, a viewing hole is processed at the top end of the hollow cylinder.
Furthermore, the stress application sleeve and the hollow cylinder are connected by welding.
Further, the sleeve interface is a square groove.
Further, the size of the sleeve interface is 3/8 inches, 1/2 inches, or 3/4 inches.
(III) advantageous effects
The utility model provides an assembly quality for locking structure fastening centering, including hollow cylinder, location tooth's socket, afterburning sleeve pipe, sleeve interface and observation hole. This assembly quality is through using the location tooth's socket, and completion device fixes a position and fixes fast, and the screw hole centering can be accomplished in the fastening process utilizing the top to observe the hole, and the sleeve interface can improve work efficiency with the general afterburning sleeve adaptation of each type, and utilizes afterburning sleeve pipe, can cooperate the observation hole to accomplish centering fine setting operation. After the alignment and stress application, the whole tool is free from being stuck, the assembling device with the locking structure fastened and centered can be quickly disassembled, and other assembling difficulties can not be caused.
The utility model discloses following beneficial effect has:
1. the structure is simple, the processing is simple, and the technical scheme is easy to realize;
2. the light weight design is adopted, the whole device is easy to operate, light in weight, small in structure, convenient to store and strong in practicability, and can be used for small-space operation;
3. the assembly process can be adjusted slightly by matching the observation hole with the stress application sleeve, the screw hole centering under the large-torque environment can be realized, and the stress application sleeve adopts a hollow structure and can be matched with the extension bar to reduce the labor intensity;
4. the butt joint port of the top sleeve can be matched with various torque wrenches and fastening sleeves, and the matched electric/pneumatic tool realizes quick stress application and accurate stress application.
Drawings
Fig. 1 is a schematic structural view (front view) of an assembling device according to an embodiment of the present invention;
fig. 2 is a schematic structural view (bottom view) of an assembling device according to an embodiment of the present invention;
fig. 3 is a schematic view of a use state of the assembling device (before assembling) according to the embodiment of the present invention;
fig. 4 is a schematic view of a use state of the assembling device (after assembling) according to the embodiment of the present invention.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following description will make a detailed description of embodiments of the present invention with reference to the accompanying drawings and examples.
The embodiment provides an assembling device for fastening and centering a locking structure, which is structurally shown in figures 1 and 2 and consists of a solid part and a virtual part. Wherein, the entity part is hollow cylinder 201, and the device is inside dodge by the dress piece of being convenient for to improve the device lightweight degree. The phantom components include positioning splines 205, sight holes 203, sleeve interface 202, and force sleeve 204.
The entity part adopts the hollow cylinder structure, and hollow cylinder 201 external diameter is not more than the waiting dress position recess of coupling disc 3, and hollow structure is chooseed for use to inside, has both guaranteed the lightweight design and is convenient for deposit, material saving again. The height of the hollow cylinder 201 is designed to avoid the top structure of the fastening screw plug 2, and a stress application sleeve 204 space is reserved.
The positioning tooth groove 205 is formed in the bottom of the hollow cylinder 201 in a directly processing mode, the structure of the positioning tooth groove is slightly smaller than that of an external groove of the fastening screw plug 2 by 5-10%, and the mounting is guaranteed not to be locked, and the positioning tooth groove can fall off easily and can provide enough torque transmission.
According to the actual design requirement of the fastening screw plug 2, when the screw holes at the top ends of the fastening screw plug 2 and the connecting disc 3 need to be aligned, an observation hole 203 is processed at the top end of the assembling device, and the observation and the alignment can be carried out in the assembling and stress application processes.
The stress application sleeve 204 penetrates through the hollow cylinder 201 under the condition of not influencing an observation hole, and is in welded connection with the hollow cylinder 201, so that firm fixation and reliable use can be ensured.
The sleeve interface 202 is processed into square grooves with the sizes of 3/8 inches, 1/2 inches, 3/4 inches and the like according to the actual size of a workshop, and is matched with a torque wrench and a pneumatic/electric wrench with corresponding specifications for use, so that the efficiency is improved.
After the fastening bolt 2 is preassembled at the top of the coupling plate 3, the external groove of the fastening bolt 2 is quickly positioned by the positioning tooth groove 205, acting force is generated from a fixed position, the sleeve interface 202 is used for connecting a torque wrench, after the force application is finished, the top observation hole 203 and the force application sleeve 204 are used for completing screw hole centering, and one-time assembly work is completed.
As shown in fig. 3 and 4, the process steps for assembling the gearbox body by using the assembling device are as follows:
step 1: after the fastening bolt 2 is preassembled at the top of the coupling plate 3, the device is quickly positioned in a groove outside the fastening bolt 2 by using the positioning tooth groove 205;
step 2: the sleeve joint 202 is connected with an electric/pneumatic wrench for quick tightening, and then a torque wrench is used for applying force of 600 N.m to achieve fastening force;
and 3, step 3: the force application sleeve 204 is utilized to continue to finely adjust the force application, the reverse force unloading is not allowed in the period, and the screw hole centering condition is observed from the top observation hole 203;
and 4, step 4: after centering, the device is disassembled, and the matched screws 4 are screwed into the aligned screw holes and are uniformly screwed.
This assembly quality is through using the location tooth's socket, and completion device fixes a position and fixes fast, and the screw hole centering is accomplished in fastening process utilization top observation hole, and the sleeve interface can improve work efficiency with the general afterburning sleeve adaptation of each type, and utilizes afterburning sleeve pipe, can cooperate the observation hole to accomplish centering fine setting operation. After the alignment and stress application, the whole tool is free from being stuck, the assembling device with the locking structure fastened and centered can be quickly disassembled, and other assembling difficulties can not be caused.
The utility model discloses still can have other multiple examples such as installation antifriction bearing department lock nut, adjustment lock washer position. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. An assembly device for fastening and centering a locking structure, wherein the assembly device is composed of a solid part and a virtual part; the solid part is a hollow cylinder, and the virtual part comprises a positioning tooth socket, a stress application sleeve and a sleeve connector; the outer diameter of the hollow cylinder is not larger than the groove of the position to be installed of the connecting disc, the inner part of the hollow cylinder is of a hollow structure, the height of the hollow cylinder is free from a top structure of the fastening screw plug, and a stress application sleeve space is reserved; the positioning tooth socket is directly machined and formed at the bottom of the hollow cylinder and used for quickly positioning the device in a groove outside the fastening bolt; the stress application sleeve penetrates through the hollow cylinder and is fixedly connected with the hollow cylinder; the sleeve joint is arranged at the top end of the hollow cylinder and used for being matched with a spanner with corresponding specification.
2. The fitting device according to claim 1, characterized in that the positioning gullet is slightly smaller than the external recess of the fastening screw plug by 5-10%.
3. The fitting device of claim 1 wherein a viewing aperture is formed in the top end of said hollow cylinder.
4. The assembly device of claim 1, wherein the force sleeve is welded to the hollow cylinder.
5. The assembly device of claim 1, wherein the sleeve interface is a square slot.
6. The fitting apparatus of claim 5 wherein said sleeve interface is sized 3/8 inches, 1/2 inches, or 3/4 inches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922250275.1U CN211565749U (en) | 2019-12-16 | 2019-12-16 | Assembling device for fastening and centering locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922250275.1U CN211565749U (en) | 2019-12-16 | 2019-12-16 | Assembling device for fastening and centering locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211565749U true CN211565749U (en) | 2020-09-25 |
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ID=72534390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922250275.1U Active CN211565749U (en) | 2019-12-16 | 2019-12-16 | Assembling device for fastening and centering locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211565749U (en) |
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2019
- 2019-12-16 CN CN201922250275.1U patent/CN211565749U/en active Active
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