High and low temperature extension rod
By designing high and low temperature extension rods and dimensional detection components, the problem of large detection errors in high and low temperature environments was solved, achieving high-precision position adjustment and improved detection quality.
Patent Information
- Application Number
- CN202520406898.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-10
AI Technical Summary
When conducting pressure performance tests in high and low temperature environments, existing technologies make it difficult to adjust the height and position of the product under test within the high and low temperature environment test chamber, resulting in large testing errors and affecting the testing quality.
A high and low temperature extension rod was designed to adjust the spatial height of the pressure test body by changing the length of the upper and lower extension rods, and a size detection component was provided to ensure that the adjusted horizontality and verticality are within the error range.
By adjusting the spatial height of the pressure test body, detection errors can be reduced, the quality of the detection operation can be improved, and the positional accuracy of the high and low temperature environment test chamber after adjustment can be ensured.
Smart Images
Figure CN223955646U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to product detection installation equipment technical field, more specifically, relate to a high and low temperature extension rod. BACKGROUND
[0002] In the process of displacement type measured product pressure performance detection under high and low temperature environment, the performance change of the product in the high and low temperature process is verified, according to the requirement of product design specification and process document, the test process needs to be carried out in the high and low temperature environment experiment box, and the measured product needs to be verified by moving the position of the measured product in the test process Product linearity data feedback is normal.
[0003] In the prior art, the measured product is placed in the high and low temperature environment experiment box, it is difficult to adjust the height position of the measured product in the high and low temperature environment experiment box, if it is taken out to adjust the position again, it will affect the horizontal position uniformity deviation before and after, leading to large detection error, affecting the detection quality. UTILITY MODEL CONTENT
[0004] The utility model discloses a kind of high and low temperature extension rods, the length of the upper extension rod and the lower extension rod can be changed correspondingly, the space height of the pressure test object is adjusted in the high and low temperature environment experiment box, and then the position of the measured product is moved to verify product linearity data feedback, reduce detection error, improve detection operation quality.
[0005] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:
[0006] A kind of high and low temperature extension rod, including H type test machine frame and base, the middle region of the H type test machine frame is crossbeam, the crossbeam below is equipped with pressure test body, the upper and lower end surfaces of the pressure test body are all inwards by the upper and lower side pressure disc, the upper end of the pressure disc is connected with upper extension rod by locking ring, the upper end of the upper extension rod is connected with top support by locking ring, the lower end of the lower side pressure disc is supported with lower extension rod with top support surface, the lower end of the lower extension rod is connected with bottom support by locking ring, the bottom support is arranged at the center position of the upper surface of base, the upper extension rod and the lower extension rod are peripherally clamped and fixed with high and low temperature environment experiment box.
[0007] As a further optimization of the present scheme, the high and low temperature environment experiment box is provided with a size detection assembly on the front and rear sides, the size detection assembly includes two vertical scales arranged in parallel on the front and rear sides, a clamping plate with an L-shaped cross section is fitted between the vertical scales, and a horizontal scale is arranged through the vertical scales on the front and rear sides.
[0008] As further optimization of the scheme, the vertical ruler outer side and the horizontal ruler upper side are both processed with visual scale lines, the card plate both sides rear end faces are processed with concave through grooves and the vertical ruler passes through the concave through grooves, and the vertical ruler rear side face is integrally formed with a guide frame.
[0009] As further optimization of the scheme, the guide frame is erected on the horizontal beam front and rear side upper surfaces, the vertical ruler upper surface of the guide frame is provided with a through groove and the horizontal ruler passes through the through groove.
[0010] As further optimization of the scheme, the upper and lower extension rods adjust the space height of the compression test body at the middle position by changing the lengths of the upper and lower extension rods.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] The upper and lower extension rod structure is designed in the utility model, the space height of the compression test body at the middle position is adjusted by changing the lengths of the upper and lower extension rods, the problem that the space height of the compression test body in the high and low temperature environment experiment box cannot be adjusted is solved, the position of the measured product is moved to verify the product linearity data feedback, the detection error is reduced, and the detection operation quality is improved.
[0013] The size detection assembly structure is designed in the utility model, the horizontal and vertical positions of the adjusted high and low temperature environment experiment box can be detected in front and back comparison, the horizontal and vertical degrees of the high and low temperature environment experiment box after adjustment are ensured to be within the error range, and the experiment reliability is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a schematic view of the upper and lower extension rod connecting structure of the utility model (part of the high and low temperature environment experiment box shell is removed);
[0015] Figure 2 It is a schematic view of the size detection assembly installation structure of the utility model (part of the high and low temperature environment experiment box shell is removed);
[0016] Figure 3 It is a schematic view of the vertical ruler and horizontal ruler connecting structure of the utility model (part of the high and low temperature environment experiment box shell is removed);
[0017] In the drawing: 1, horizontal beam; 2, locking ring; 3, upper extension rod; 4, compression test body; 5, high and low temperature environment experiment box; 6, pressure disc; 7, lower extension rod; 8, card plate; 9, vertical ruler; 10, horizontal ruler; 11, concave through groove; 12, guide frame; 13, visual scale line. DETAILED DESCRIPTION
[0018] In order to make the technical means, creation characteristics, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific drawings.
[0019] In order to solve the problem that the existing measured product is placed in the high-low temperature environment test box, it is difficult to adjust the height position of the measured product in the high-low temperature environment test box, if the position is adjusted again, the horizontal position uniformity deviation before and after is affected, the detection error is large, and the detection quality is affected;
[0020] As shown in Figure 1 , the present application comprises an H-shaped testing machine frame and a base, the middle region of the H-shaped testing machine frame is a cross beam 1, a compression test body 4 is arranged below the cross beam 1, the upper and lower end faces of the compression test body 4 are tightly pressed inward through the upper and lower side pressure plates 6, the upper end of the pressure plate 6 located on the upper side is connected with the upper extension rod 3 through the locking ring 2, the upper end of the upper extension rod 3 is connected with the top support through the locking ring 2, the lower end of the pressure plate 6 located on the lower side is supported by the lower extension rod 7 with a top supporting surface, the lower end of the lower extension rod 7 is connected with the bottom support through the locking ring 2, the bottom support is arranged at the center position of the upper surface of the base, the outer periphery of the upper extension rod 3 and the lower extension rod 7 is clamped and fixed with the high-low temperature environment test box 5;
[0021] As shown in Figure 2 , the high-low temperature environment test box 5 is provided with a size detection assembly on the front and rear sides, the size detection assembly comprises two vertical scales 9 arranged in parallel on the front and rear sides, the vertical scales 9 are sleeved with a clamping plate 8 with an L-shaped cross section, the clamping plate 8 is clamped to the edge corner positions of the upper end of the high-low temperature environment test box 5 on the front and rear sides, respectively, wherein the vertical scales 9 corresponding to the front and rear sides are penetrated by a horizontal scale 10;
[0022] As shown in Figure 3 , the outer side surface of the vertical scale 9 and the upper side surface of the horizontal scale 10 are processed with visible scale lines 13, the rear end surfaces of the two sides of the clamping plate 8 are processed with recessed grooves 11, the recessed grooves 11 are penetrated by the vertical scales 9, the rear side surface of the vertical scale 9 is integrally formed with a guide frame 12, the guide frame 12 is arranged on the upper surfaces of the front and rear sides of the cross beam 1, the surface of the vertical scale 9 above the guide frame 12 is provided with a groove, and the groove is penetrated by the horizontal scale 10;
[0023] Specifically, when the spatial height of the compression test body 4 needs to be changed, the length of each of the upper extension rod 3 and the lower extension rod 7 can be changed to adjust, the high and low temperature environment test box 5 is moved so that the compression test body 4 is located inside the box body, finally the clamping plate 8 in the size detection assembly is clamped to the upper end of the high and low temperature environment test box 5 at the front and rear side edge corner positions, by observing the parameters indicated by the visual scale lines 13 on the vertical scale 9 and the horizontal scale 10, the levelness and perpendicularity of the high and low temperature environment test box 5 after adjustment are ensured to be within an error range, the experimental reliability is improved, then the high and low temperature environment test box 5 is closed, the inside of the high and low temperature environment test box 5 is heated or cooled, after the temperature is reached, the test can be started.
[0024] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.
[0025] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. The skilled person in the industry should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.
Claims
1. A high and low temperature extension rod, comprising an H-shaped testing machine frame and a base, wherein the middle area of the H-shaped testing machine frame is a crossbeam, and a pressure test body is provided below the crossbeam, characterized in that: The upper and lower surfaces of the pressure test body are pressed inward by pressure plates on the upper and lower sides. The upper end of the pressure plate located above is connected to the upper extension rod via a locking ring. The upper end of the upper extension rod is connected to the top support via a locking ring. The lower end of the pressure plate located below supports the lower extension rod with a top support surface. The lower end of the lower extension rod is connected to the bottom support via a locking ring. The bottom support is located at the center of the upper surface of the base. A high and low temperature environment test chamber is fixedly fastened around the upper and lower extension rods.
2. The high and low temperature extension rod according to claim 1, characterized in that: The high and low temperature environment test chamber is equipped with size detection components on both the front and rear sides. The size detection components include two vertical measuring scales arranged in parallel on the front and rear sides. An L-shaped clamping plate is fitted between the vertical measuring scales. The clamping plate is respectively clamped to the corner position of the front and rear edge of the high and low temperature environment test chamber. A horizontal measuring scale runs through the vertical measuring scales corresponding to the front and rear sides.
3. The high and low temperature extension rod according to claim 2, characterized in that: The outer side of the vertical measuring scale and the upper side of the horizontal measuring scale are both machined with visible scale lines. The rear ends of both sides of the card plate are machined with concave through grooves, and the vertical measuring scale passes through the concave through grooves. The rear side of the vertical measuring scale is integrally formed with a guide frame.
4. The high and low temperature extension rod according to claim 3, characterized in that: The guide frame is mounted on the upper surface of the front and rear sides of the crossbeam. A through groove is opened on the surface of the vertical measuring scale above the guide frame, and the horizontal measuring scale passes through the inside of the through groove.
5. A high and low temperature extension rod according to claim 4, characterized in that: The upper and lower extension rods adjust the spatial height of the pressure test specimen at the middle position by changing their respective lengths.