CN216361557U

CN216361557U - Furnace front inspection jig

Info

Publication number: CN216361557U
Application number: CN202123204226.8U
Authority: CN
Inventors: 庞怀强; 马勇刚
Original assignee: Wuxi Jinzun Precision Machinery Co ltd
Current assignee: Wuxi Jinzun Precision Machinery Co ltd
Priority date: 2021-12-18
Filing date: 2021-12-18
Publication date: 2022-04-22
Anticipated expiration: 2031-12-18

Abstract

The utility model relates to a field that heat exchanger detected specifically discloses a stokehold inspection tool, comprising a base plate, be provided with the bearing piece that is used for placing the heat exchanger body on the bottom plate, be used for providing the benchmark subassembly of benchmark, be used for pressing from both sides the clamping unit of tight heat exchanger body for the heat exchanger body, the benchmark subassembly includes the benchmark piece, clamping unit includes the grip block, the grip block with the bottom plate slides and connects, be provided with a plurality of detection component groups, a plurality of groups on the bottom plate detection component and a plurality of root branch pipe one-to-one, detection component is including detecting the round pin, it sets up to detect the round pin activity the bottom plate top. The application can improve the detection precision of the heat exchanger.

Description

Furnace front inspection jig

Technical Field

The application relates to the technical field of heat exchanger detection, especially, relate to a stokehold detection tool.

Background

Heat exchangers transfer heat from a high temperature liquid to a low temperature liquid through heat transfer surfaces, typically used in automotive heaters, coolers, evaporators and condensers.

Referring to fig. 1 and 2, the heat exchanger 1 includes a heat exchanger body 11, both ends of the heat exchanger body 11 are open and are hollow, one end of the heat exchanger body 11 is fixedly connected with a first flange 12, a first communication port 121 is formed in the first flange 12, the first communication port 121 is communicated with an inner cavity of the heat exchanger body 11, the other end of the heat exchanger body 11 is fixedly connected with a second flange 13, a second communication port 131 is formed in the second flange 13, the second communication port 131 is communicated with the inner cavity of the heat exchanger body 11, and the heat exchanger body 11 is communicated with a plurality of branch pipes 14.

In order to prevent the branch pipe from being fully welded with the heat exchanger body, the heat exchanger body and the branch pipe are deformed due to the high-temperature effect of welding, the branch pipe and the heat exchanger body are usually firstly spot-welded, welding flux is coated at the joint of the branch pipe and the heat exchanger body, the preliminarily formed heat exchanger is placed into a furnace, the welding flux is melted through low-temperature heating, and the branch pipe and the heat exchanger body are fixed.

After the spot welding of the branch pipe is completed, the welding state of the branch pipe needs to be detected, generally, three-coordinate equipment is adopted for detection, but the detection precision of the three-coordinate equipment is low, and the detection requirement on the heat exchanger cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to improve the detection precision to heat exchanger, this application provides a stokehold detection tool.

The application provides a pair of stokehole inspection tool, comprising a base plate, be provided with the bearing block that is used for placing the heat exchanger body on the bottom plate, be used for providing the benchmark subassembly of benchmark, the clamping component who is used for pressing from both sides tight heat exchanger body for the heat exchanger body, the benchmark subassembly includes the benchmark piece, clamping component includes the pinch plate, the pinch plate with the bottom plate slides and connects, be provided with a plurality of detection component groups, a plurality of groups on the bottom plate detection component and a plurality of root branch pipe one-to-one, detection component is including detecting the round pin, it sets up to detect the round pin activity the bottom plate top.

By adopting the technical scheme, a detector firstly places the heat exchanger on the bearing block, so that one end of the heat exchanger body is abutted against the reference block, the other end of the heat exchanger body is clamped through the sliding of the clamping plate, the detection pin is inserted into the corresponding branch pipe, whether the welding between the branch pipe and the heat exchanger body meets the requirement is judged, and the detection is completed.

Optionally, the detection assembly comprises a first mounting block connected with the bottom plate, a detection block is arranged on the first mounting block, and the detection pin is connected with the detection block in a sliding manner.

Through adopting above-mentioned technical scheme, according to the standard welding position of branch pipe, install detection piece and first installation piece, realize the detection to branch pipe welding position through the slip of detection round pin on detecting the piece.

Optionally, a first sliding cavity is formed in the detection block, the detection pin is arranged in the first sliding cavity in a sliding mode, and a clamping assembly for fixing the detection pin is arranged in the first sliding cavity.

Through adopting above-mentioned technical scheme, first chamber of sliding provides the direction for the slip that detects the round pin, makes to detect the round pin more stable at the slip in-process, has reduced because the round pin slip in-process appear the possibility of partial effect to branch pipe testing result.

Optionally, the centre gripping subassembly includes the centre gripping post, the second chamber of sliding has been seted up on the lateral wall in the first chamber of sliding, the second intracavity of sliding is provided with the spring, the one end of centre gripping post is located the second intracavity of sliding, the one end of spring with the diapire in the second chamber of sliding links to each other, the other end of spring with the one end of centre gripping post links to each other, when the spring does not receive the power, the other end of centre gripping post stretches out the second slides the chamber outside.

Through adopting above-mentioned technical scheme, detect the round pin and the back that offsets with the centre gripping post, the spring is compressed, and the centre gripping post keeps the end to offset tightly with the centre gripping post all the time under the effect of spring, and back in detecting the round pin and inserting the branch pipe, the round pin that detects keeps inserting with the stability of branch pipe and closes under the effect of centre gripping post to in the back of being convenient for measuring personnel all inserting corresponding branch pipes with all detection round pins, the whole welding degree of accuracy who judges branch pipe and heat exchanger body.

Optionally, the reference block is connected with a first positioning block corresponding to the first communication port, and the first positioning block is inserted into the first communication port.

Through adopting above-mentioned technical scheme, first locating piece is fixed a position first intercommunication mouth, has promoted heat exchanger body locating position's accuracy.

Optionally, the clamping assembly includes a clamping cylinder disposed above the bottom plate, the clamping plate is connected to a piston rod end of the clamping cylinder, a second positioning block corresponding to the second communicating opening is connected to the clamping plate, and the second positioning block is inserted into the second communicating opening.

Through adopting above-mentioned technical scheme, the second locating piece is fixed a position the second intercommunication mouth, further fixes a position the heat exchanger body, and die clamping cylinder provides drive power for the slip of pinch-off blades, has realized the self-holding to the heat exchanger body.

Optionally, a compressing assembly for compressing the heat exchanger body is arranged on the bottom plate, the compressing assembly comprises a supporting plate and a compressing column, a second mounting block is connected to the supporting plate, and the compressing column is in threaded connection with the second mounting block.

Through adopting above-mentioned technical scheme, the detection personnel compress tightly the post through rotating, have realized compressing tightly the motion of post along vertical direction, compress tightly the back to the heat exchanger body, carry out vertical direction's spacing to the heat exchanger body, make heat exchanger place on the supporting shoe more stably.

Optionally, the end of the compression column is connected with a compression block for abutting against the heat exchanger body.

Through adopting above-mentioned technical scheme, the setting up of compact heap has increased the area of contact who compresses tightly post and heat exchanger body, and is more stable to compressing tightly of heat exchanger body.

In summary, the present application includes at least one of the following beneficial technical effects:

1. firstly, a detector places the heat exchanger on the bearing block, so that one end of the heat exchanger body is abutted against the reference block, the other end of the heat exchanger body is clamped through the sliding of the clamping plate, and whether the welding between the branch pipe and the heat exchanger body meets the requirement is judged through the insertion of the detection pin and the corresponding branch pipe, so that the detection is completed;

2. after the detection pins are abutted against the clamping columns, the springs are compressed, the clamping columns keep the end heads always abutted against the clamping columns under the action of the springs, and after the detection pins are inserted into the branch pipes, the detection pins are kept stably inserted into the branch pipes under the action of the clamping columns, so that a detector can integrally judge the welding accuracy of the branch pipes and the heat exchanger body after all the detection pins are inserted into the corresponding branch pipes;

3. the detection personnel compress tightly the post through rotating, have realized compressing tightly the motion of post along vertical direction, compress tightly the back to the heat exchanger body, carry out the spacing of vertical direction to the heat exchanger body, make heat exchanger place on the supporting shoe more stably.

Drawings

Fig. 1 is a schematic diagram for embodying a structure of a heat exchanger.

Fig. 2 is a schematic view (another perspective) for embodying the structure of the heat exchanger.

Fig. 3 is a schematic view showing a state in which the heat exchanger of the present embodiment is used.

Fig. 4 is an exploded view for embodying the present embodiment for use with a heat exchanger.

Fig. 5 is a sectional view for embodying the structure of the clamping assembly.

Description of reference numerals:

1. a heat exchanger; 11. a heat exchanger body; 12. a first flange; 121. a first communication port; 13. a second flange; 131. a second communication port; 14. a branch pipe; 2. a base plate; 3. a bearing block; 4. a reference assembly; 41. a reference block; 42. a first positioning block; 5. a clamping assembly; 51. clamping the cylinder block; 52. a clamping cylinder; 53. a clamping plate; 54. a second positioning block; 7. a detection component; 71. a first mounting block; 72. a detection block; 721. a first sliding cavity; 722. a second sliding cavity; 73. a detection pin; 8. a clamping assembly; 81. a clamping post; 82. a spring; 9. a compression assembly; 91. a support plate; 92. a second mounting block; 93. a compression post; 94. and (5) a compression block.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses check tool before stove.

Referring to fig. 3, a furnace front inspection tool includes bottom plate 2, fixedly connected with places heat exchanger body 11's bearing piece 3 on bottom plate 2, and one side of bearing piece 3 is provided with benchmark subassembly 4, and the opposite side of bearing piece 3 is provided with clamping component 5, a plurality of groups of detecting component 7 on bottom plate 2, a plurality of groups of detecting component 7 and a plurality of root branch pipes 14 one-to-one, are provided with two sets of subassemblies 9 that compress tightly on bottom plate 2, and two sets of subassemblies 9 that compress tightly set up along bottom plate 2's length direction interval.

Referring to fig. 3, the testing personnel place heat exchanger body 11 on bearing piece 3, and heat exchanger 1's one end and benchmark subassembly 4 support and lean on, provide the location benchmark for heat exchanger 1, and clamping component 5 presss from both sides tightly heat exchanger 1's the other end, and two sets of subassemblies 9 that compress tightly heat exchanger body 11's vertical direction simultaneously, and after heat exchanger body 11 fixed the completion in location, carry out welding accuracy's detection through detecting element 7 to the branch pipe 14 that corresponds with it.

Referring to fig. 4, the reference assembly 4 includes a reference block 41 fixedly connected to the bottom plate 2, the reference block 41 is used for the first flange 12 to abut against, a first positioning block 42 corresponding to the first communication opening 121 is fixedly connected to a side wall of the reference block 41 close to the bearing block 3, and the first positioning block 42 is in inserted fit with the first communication opening 121.

Referring to fig. 2 and 4, the clamping assembly 5 includes a clamping cylinder 52 and a clamping plate 53, a clamping cylinder seat 51 is fixedly connected to the base plate 2, the clamping cylinder 52 is fixedly connected to the clamping cylinder seat 51, a piston rod of the clamping cylinder 52 is horizontally arranged, a piston rod end of the clamping cylinder 52 is arranged toward the first positioning block 42, the clamping plate 53 is vertically arranged and is fixedly connected to an end of a piston rod of the clamping cylinder 52, a second positioning block 54 corresponding to the second communicating port 131 is fixedly connected to a side wall of the clamping plate 53 away from the clamping cylinder 52, and the second positioning block 54 is in plug-in fit with the second communicating port 131.

Referring to fig. 4, the first positioning block 42 and the second positioning block 54 further position the heat exchanger body 11, and the clamp cylinder 52 drives the clamp plate 53 to slide, thereby clamping the heat exchanger 1, so that the heat exchanger 1 is more stably and accurately placed on the support block 3.

Referring to fig. 3, the pressing assembly 9 includes a supporting plate 91, the supporting plate 91 is vertically disposed and fixedly connected to the bottom plate 2, a second mounting block 92 is fixedly connected to a side wall of the supporting plate 91 close to the bearing block 3, a pressing column 93 is disposed on the second mounting block 92, the pressing column 93 is vertically disposed and is in threaded connection with the second mounting block 92, and a pressing block 94 is fixedly connected to a lower end of the pressing column 93.

Referring to fig. 3, the inspector presses the column 93 by rotating, and the column 93 is pressed along the vertical movement, so that the pressing block 94 presses and fixes the heat exchanger body 11, and the heat exchanger body 11 is limited in the vertical direction, so that the heat exchanger 1 is more stably placed on the bearing block 3.

Referring to fig. 4 and 5, the detecting assembly 7 includes a first mounting block 71 fixedly connected to the base plate 2, a detecting block 72 is integrally formed at an upper end of the first mounting block 71, a first sliding cavity 721 is correspondingly formed on the detecting block 72 corresponding to a standard welding position of the branch pipe 14, the detecting assembly 7 further includes a detecting pin 73, the detecting pin 73 is slidably disposed in the first sliding cavity 721, a plurality of groups of clamping assemblies 8 are disposed in the first sliding cavity 721, in this embodiment, the number of the clamping assemblies 8 in each first sliding cavity 721 is three, and the three groups of clamping assemblies 8 are uniformly disposed along a circumferential direction of the detecting pin 73.

Referring to fig. 5, the clamping assembly 8 includes the clamping column 81, a second sliding cavity 722 has been seted up on the cavity wall of the first sliding cavity 721, a spring 82 is provided in the second sliding cavity 722, one end of the clamping column 81 is located the second sliding cavity 722, one end of the spring 82 is fixedly connected with the bottom wall of the second sliding cavity 722, the other end of the spring 82 is fixedly connected with one end of the clamping column 81 located the second sliding cavity 722, when the spring 82 is not stressed, the other end of the clamping column 81 extends out of the second sliding cavity 722, and one end of the clamping column 81 departing from the spring 82 is a spherical surface.

Referring to fig. 4 and 5, after the detecting pin 73 is abutted against the clamping column 81, the spring 82 is compressed, the clamping column 81 keeps the end abutting against the clamping column 81 all the time under the action of the spring 82, and after the detecting pin 73 is inserted into the branch pipe 14, the detecting pin 73 keeps stable insertion with the branch pipe 14 under the action of the clamping column 81, so that after all the detecting pins 73 are inserted into the corresponding branch pipes 14, a detecting person can judge the welding accuracy of the branch pipes 14 and the heat exchanger body 11 as a whole.

The implementation principle of the embodiment of the application is as follows: the inspector first places the heat exchanger body 11 on the holding block 3, and abuts the first flange 12 against the reference block 41, and inserts the first positioning block 42 into the first communication port 121. The clamp cylinder 52 is actuated, the second positioning block 54 is inserted into the second communication port 131, and the clamp plate 53 is attached to the second flange 13 to clamp and fix the heat exchanger body 11. The pressing columns 93 are rotated to enable the pressing blocks 94 to press the heat exchanger body 11 tightly, after the heat exchanger body 11 is positioned and fixed, the branch pipes 14 are detected one by one through the sliding of the detection pins 73, and whether the welding of the branch pipes 14 meets the requirements is judged according to whether the sliding pins can be inserted into the corresponding branch pipes 14.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a stokehold inspection tool which characterized in that: including bottom plate (2), be provided with bearing piece (3) that are used for placing heat exchanger body (11) on bottom plate (2), be used for providing benchmark subassembly (4) of benchmark, clamping components (5) that are used for pressing from both sides tight heat exchanger body (11) for heat exchanger body (11), benchmark subassembly (4) include benchmark piece (41), clamping components (5) are including clamp plate (53), clamp plate (53) with bottom plate (2) are slided and are connected, be provided with a plurality of groups detecting element (7) on bottom plate (2), a plurality of groups detecting element (7) and a plurality of branch pipe (14) one-to-one, detecting element (7) are including detecting round pin (73), detecting round pin (73) activity sets up bottom plate (2) top.

2. The tool of claim 1, wherein: the detection assembly (7) comprises a first installation block (71) connected with the bottom plate (2), a detection block (72) is arranged on the first installation block (71), and the detection pin (73) is connected with the detection block (72) in a sliding mode.

3. The tool of claim 2, wherein: the detecting device is characterized in that a first sliding cavity (721) is formed in the detecting block (72), the detecting pin (73) is arranged in the first sliding cavity (721) in a sliding mode, and a clamping assembly (8) for fixing the detecting pin (73) is arranged in the first sliding cavity (721).

4. The tool of claim 3, wherein: the centre gripping subassembly (8) are including centre gripping post (81), the second chamber (722) that slides has been seted up on the lateral wall in first chamber (721) that slides, the second is slided and is provided with spring (82) in chamber (722), the one end of centre gripping post (81) is located the second slides in chamber (722), the one end of spring (82) with the diapire that the chamber (722) were slided to the second links to each other, the other end of spring (82) with the one end of centre gripping post (81) links to each other, when spring (82) do not atress, the other end of centre gripping post (81) stretches out outside the chamber (722) that slides of second.

5. The tool of claim 4, wherein: the reference block (41) is connected with a first positioning block (42) corresponding to the first communication port (121), and the first positioning block (42) is inserted into the first communication port (121).

6. The tool of claim 5, wherein: the clamping assembly (5) comprises a clamping cylinder (52) arranged above the base plate (2), the clamping plate (53) is connected with the end of a piston rod of the clamping cylinder (52), a second positioning block (54) corresponding to the second communicating port (131) is connected to the clamping plate (53), and the second positioning block (54) is inserted into the second communicating port (131).

7. The tool of claim 6, wherein: the heat exchanger is characterized in that a pressing component (9) used for pressing the heat exchanger body (11) is arranged on the bottom plate (2), the pressing component (9) comprises a supporting plate (91) and a pressing column (93), a second mounting block (92) is connected to the supporting plate (91), and the pressing column (93) is in threaded connection with the second mounting block (92).

8. The tool of claim 7, wherein: the end of the compression column (93) is connected with a compression block (94) which is used for being tightly propped against the heat exchanger body (11).