CN218697912U

CN218697912U - Integrated star frame connecting handle component assembling clamp

Info

Publication number: CN218697912U
Application number: CN202222788751.7U
Authority: CN
Inventors: 李莎; 李晓红; 李金魁; 袁野; 钟多军; 何君
Original assignee: China Jianzhong Nuclear Fuel Co Ltd
Current assignee: China Jianzhong Nuclear Fuel Co Ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-24
Anticipated expiration: 2032-10-24

Abstract

The utility model belongs to the technical field of relevant subassembly is made, concretely relates to integration star frame connection handle part equipment anchor clamps. The gap adjusting device comprises a support, a positioning block, a pressing block, a gap adjusting sleeve, a gap adjusting measuring block and a wrench, wherein a center hole is formed in the positioning block, the gap adjusting sleeve is sleeved in the center hole of the positioning block, the end of the positioning block is connected with the pressing block, a tightening screw penetrates through the gap adjusting sleeve, the wrench is connected with the end of the tightening screw, the gap adjusting measuring block is arranged between the tightening screw and a spring seat, and a star-shaped frame connecting handle component is integrally installed on the support. The beneficial effects of the utility model reside in that: 1) The one-time assembly of the integrated star frame connecting handle component is realized, and the problem that the parts cannot be assembled in place due to no limit during assembly is solved. 2) The tool ensures the requirement of the distance b between the end face of the spring seat 3 and the end face of the bottom end of the connecting handle 1 and the requirement of the gap a between the head of the tensioning screw rod 2 and the spring seat 3 in the product assembly dimension.

Description

Integrated star frame connecting handle component assembling clamp

Technical Field

The utility model belongs to the technical field of relevant subassembly is made, concretely relates to integration star frame connection handle part equipment anchor clamps.

Background

The control rod assembly integrated star frame connecting handle component assembly is formed by assembling and welding 1 connecting

handle

1, 1

tensioning screw rod

2, 1

spring seat

3 and 1 spring 4 (as shown in figure 1), and has the following problems.

1) The connecting handle parts are in a scattered state before being assembled, all parts are assembled in place, and the requirement of the distance b between the end face of the spring seat 3 and the end face of the bottom end of the connecting handle 1 is met, and the requirement needs to be met by a special tool.

2) In the assembling process, the spring 4 has a certain compression amount, so the spring seat 3 needs to be assembled in place by a press and a special tool.

3) Because of spring holder 3 is located an assembly piece center, the partial structure of assembly piece around the spring holder 3 is higher than the spring holder, and the structure can take place to interfere all around in the assembling process.

4) The tensioning screw 2 penetrates through the central hole of the spring seat 3, so that in the process of compressing the spring 4 and the spring seat 3, a special clamp needs to ensure that the tensioning screw 2 can be inserted into the clamp to complete assembly.

5) The assembly fixture must ensure that the gap a between the head of the tensioning screw 2 and the spring seat 3 meets the product requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an integration star frame connecting handle part equipment anchor clamps can solve the part assembly and do not have spacingly, the unable problem that assembles target in place.

The technical scheme of the utility model as follows: integration star frame connection handle part equipment anchor clamps, including support, locating piece, briquetting, clearance adjustment sleeve pipe, clearance adjustment gage block, spanner, the opening of locating piece have the centre bore, clearance adjustment sleeve pipe suit is in the centre bore of locating piece, the end connection briquetting of locating piece, tensioning screw passes clearance adjustment sleeve pipe, the tip of tensioning screw is connected to the spanner, clearance adjustment gage block is established between tensioning screw and spring holder, star frame connection handle part integral erection is on the support.

The positioning block is a rod-shaped structure with two different diameters.

The support, the positioning block, the pressing block, the gap adjusting sleeve, the gap adjusting gauge block and the wrench are all made of austenitic stainless steel.

The support adopts a boss structure, and the diameter of the boss is smaller than the central hole of the connecting handle.

The positioning block is provided with a tapered sinking platform, the depth of the sinking platform is smaller than the size of the gap, and the diameter of the sinking platform is larger than the diameter of the spring seat.

The beneficial effects of the utility model reside in that: 1) The one-time assembly of the integrated star frame connecting handle component is realized, and the problem that the parts cannot be assembled in place due to no limit during assembly is solved. 2) The tool ensures the requirement of the distance b between the end face of the spring seat 3 and the end face of the bottom end of the connecting handle 1 and the requirement of the gap a between the head of the tensioning screw rod 2 and the spring seat 3 in the product assembly dimension. 3) The fixture has been successfully applied to the manufacture process of the integrated spider handle component of the autonomous control rod assembly.

Drawings

FIG. 1 is a schematic view of an integral spider handle assembly;

FIG. 2 is a schematic view of a tensioning screw;

FIG. 3 is a schematic view of an integrated spider handle assembly fixture provided by the present invention;

FIG. 4 is a schematic view of a pedestal;

FIG. 5 is a schematic view of a positioning block;

FIG. 6 is a schematic view of a gap adjustment sleeve;

FIG. 7 is a schematic view of a gap adjustment gauge block;

fig. 8 is a schematic view of the wrench.

In the figure: the adjustable gap adjusting device comprises a connecting handle 1, a tensioning screw rod 2, a spring seat 3, a spring 4, a support 5, a positioning block 6, a pressing block 7, a gap adjusting sleeve 8, a gap adjusting gauge block 9, a wrench 10, a press 11, a gap between the head of the tensioning screw rod and a spring seat, a distance between the end face of the spring seat b and the end face of the bottom end of the connecting handle, and a control size C.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 3, the integrated star frame connecting handle component assembling clamp comprises 1

support

5, 1

positioning block

6, 1 pressing

block

7, 1

gap adjusting sleeve

8, 1 gap adjusting measuring block 9 and 1 wrench 10, and all parts of the clamp are made of austenitic stainless steel in order to ensure the reliability of contact with a product workpiece.

The positioning block 6 is of a rod-shaped structure with two different diameters, a center hole is formed in the positioning block 6, a gap adjusting sleeve 8 is sleeved in the center hole of the positioning block 6, the end portion of the positioning block 6 is connected with a pressing block 7, a tensioning screw 2 penetrates through the gap adjusting sleeve 8, a wrench 10 is connected with the end portion of the tensioning screw 2, a gap adjusting gauge block 9 is arranged between the tensioning screw 2 and a spring seat 3, and a star frame connecting handle component is integrally installed on a clamp support 5.

Wherein, anchor clamps support 5 plays the support and fixes a position the connecting handle effect, and locating piece 6 and briquetting 7 restriction cooperation press head can realize the spacing of the three orientation XYZ of star frame connecting handle part, puts spring holder 3 assembly in place, and clearance adjustment sleeve 8 ensures the control of clearance size an, finally with clearance adjustment gage block 9 and locating piece 6 cooperation, ensures the control of product clearance size b. After assembly, the tightening screw 2 is screwed down by the wrench 10, so that the assembly of the integrated star frame connecting handle component can be realized, and the assembly precision of the product is ensured.

As shown in fig. 4, the support 5 is mainly used for supporting and positioning the product. Considering that the assembly part belongs to the condition of big end up when assembling, the gravity center is unstable, the support 5 adopts a boss structure, the diameter m of the boss is smaller than the central hole of the connecting handle, the assembling clearance is controlled according to 0.1mm, the central hole of the connecting handle is buckled into the boss, the weight of a product can be supported, the displacement and the play of the product in the X and Y directions in the assembling process can be ensured, and the positioning effect is achieved. The material is austenitic stainless steel, so that the safety of the material contacting with the workpiece is ensured.

The positioning block 6 is matched with the pressing plate 7 for use, so that the connecting and positioning functions are realized, and the Z-direction displacement of the assembly part is limited. The positioning block 6 is provided with a sinking platform with taper, the depth s of the sinking platform is smaller than the size b of the gap, the diameter of the sinking platform is slightly larger than the diameter of the spring seat, the taper of the sinking platform enables the spring seat 3 to sink into the sinking platform, the gap between the spring seat 3 and the positioning block 6 is ensured to be 0.3mm, the spring seat 3 can be smoothly arranged in the positioning block 6 during assembly, and the displacement of the spring seat 3 in the X and Y directions in the assembly process can be avoided. Because of spring holder 3 is located an assembly center, the partial structure of assembly around the spring holder 3 is higher than the spring holder, and the structure can take place to interfere all around in the assembling process. The height dimension of the designed positioning block 6 is greater than the height difference between the end surface of the bottom of the central cylinder of the assembly part and the end surface of the bottom of the assembly part, and is controlled according to the height difference plus 3mm, so that the interference in the assembly process is prevented, and the condition that the assembly of the spring seat 3 is not in place is further avoided.

As shown in figure 5, the pressing block 7 is in contact with the pressing head 11 of the pressing machine, the stress surface is enlarged, and the uniform stress of the workpiece is ensured in the process of compressing the spring seat 3 and the spring 4. The material is austenitic stainless steel, so that the safety of the material contacting with the workpiece is ensured.

As shown in fig. 6, the gap adjusting sleeve 8 is used for controlling the gap size a of the product, the product requires that the gap between the head of the tightening screw 2 and the spring seat 3 is larger than the gap size a, the designed sleeve wall thickness x is slightly larger than the gap size a, the sleeve wall thickness x is designed according to (a +0.1 mm), and the sleeve inner diameter w is designed according to the upper limit value of the outer diameter d of the head of the tightening screw. The material is austenitic stainless steel, so that the safety of the material in contact with the workpiece is ensured.

As shown in FIG. 7, the gap adjustment gauge block 9 is used in cooperation with the positioning block 6 to ensure that the depth dimension s + the dimension (y, z) of the gap adjustment gauge block 9 of the positioning block 6 is not less than the distance dimension b. The gauge block is designed by a go-no go gauge, the size y of the go gauge is controlled according to +0.1mm, and the size Z of the no go gauge is accurately controlled according to the size upper limit value of the gap b.

As shown in fig. 8, the tightening screw 2 is in threaded connection with the connecting handle 1, and since the slot of the tightening screw 2 is of a non-standard design and there is interference between the positioning block 6 and the pressing block 7 during assembly, a standard tightening wrench or screwdriver cannot complete assembly of the tightening screw 2, and a wrench 10 is designed. In order to avoid slipping in the assembling process, the sizes (p and q) of the slotted bulges of the wrench 10 are matched with the sizes e and f of the slotted holes of the tensioning screw rod 2, the length size of the wrench 10 is designed according to the height size (the height size g of the spring seat-the depth size of the sinking platform of the positioning block 6) larger than the height size + (the height size g of the spring seat-the height size of the sinking platform of the positioning block 6), and the screwing part is designed by knurling to enhance manual operability, so that the anti-slipping effect is achieved. The material is austenitic stainless steel, so that the safety of the material contacting with the workpiece is ensured.

The press pressure head 11 is designed to be hollow, so that the compression spring seat 3 and the spring 4 can be conveniently assembled in the pressure maintaining process, and the tightening screw rod 2 can be conveniently assembled and screwed down.

The utility model discloses a use as follows:

the clamp is wiped clean and the connecting handle 1 is placed upside down on the support 5.

The spring 4 is arranged in the central hole of the connecting handle 1, and the spring seat 3 is arranged at the end part of the spring 4 in advance.

The positioning block 6 is reversely buckled on the spring seat 3, the pressing block 7 is placed on the positioning block 6, and the position of the spring seat 3 is adjusted to ensure that the spring seat 3 can be smoothly installed in a central hole of the connecting handle 1 without interference in the process of assembling the compression spring 4.

The gap adjusting sleeve 8 is placed into the spring seat 3 to ensure that the gap a meets the requirements in the assembling process.

The pressing head 11 of the press is used, the pressing head 11 of the press is contacted with the pressing block 7, the spring seat 3 is pressed into a central hole of the connecting handle 1, the gap adjusting gauge block 9 is inserted into a position between the pressing block 6 and the connecting handle 1, the size requirement of the gap C is ensured, and the gap adjusting gauge block 9 is used for connecting and stopping the compression amount of the size adjusting spring 4 in the assembling process.

And keeping the pressure of the press, screwing the tensioning screw rod 2 by using a special spanner 10, and taking out the special spanner 10 after screwing.

And (4) loosening the press, and sequentially taking out the fixture pressing block 7, the positioning block 6 and the integrated star frame connecting handle component assembly.

And taking out the gap adjusting sleeve 8, continuously checking the gap dimension a for multiple times by using the gap adjusting sleeve 8, if the gap dimension a is not matched with the gap dimension a, tapping the spring seat 3 by using the bakelite hammer, correcting the position of the spring seat 3, and ensuring the gap dimension a.

Claims

1. Integration star frame connecting handle part equipment anchor clamps, its characterized in that: the gap adjusting device comprises a support, a positioning block, a pressing block, a gap adjusting sleeve, a gap adjusting measuring block and a wrench, wherein a center hole is formed in the positioning block, the gap adjusting sleeve is sleeved in the center hole of the positioning block, the end of the positioning block is connected with the pressing block, a tightening screw penetrates through the gap adjusting sleeve, the wrench is connected with the end of the tightening screw, the gap adjusting measuring block is arranged between the tightening screw and a spring seat, and a star-shaped frame connecting handle component is integrally installed on the support.

2. The integrated spider handle component assembly jig of claim 1, wherein: the positioning block is a rod-shaped structure with two different diameters.

3. The integrated spider handle component assembly jig of claim 1, wherein: the support, the positioning block, the pressing block, the gap adjusting sleeve, the gap adjusting gauge block and the wrench are all made of austenitic stainless steel.

4. The integrated spider handle component assembly jig of claim 1, wherein: the support adopts a boss structure.

5. The integrated spider handle component assembly jig of claim 4 wherein: the diameter of the lug boss is smaller than that of the central hole of the connecting handle.

6. The integrated spider handle component assembly jig of claim 1, wherein: the positioning block is provided with a tapered sinking platform.

7. The integrated spider handle component assembly jig of claim 6, wherein: the depth of the sinking platform is smaller than the size of the gap.

8. The integrated spider handle component assembly jig of claim 6, wherein: the diameter of the sinking platform is larger than that of the spring seat.