CN215768341U - High-low temperature test box - Google Patents
High-low temperature test box Download PDFInfo
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- CN215768341U CN215768341U CN202121714560.5U CN202121714560U CN215768341U CN 215768341 U CN215768341 U CN 215768341U CN 202121714560 U CN202121714560 U CN 202121714560U CN 215768341 U CN215768341 U CN 215768341U
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- lifting
- low temperature
- screw rod
- motor
- temperature test
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Abstract
The utility model discloses a high-low temperature test box, wherein a heat insulation layer is arranged outside a box body, a radiant tube is arranged inside the box body and used for heating, and a compressor is used for refrigerating; the lifting fixture is arranged below the lifting frame, a driving gear and a lifting gear which are in transmission connection are arranged on the lifting frame, the driving gear is driven by a motor I, the lifting gear is sleeved on a screw rod and is in threaded connection with the screw rod, the screw rod is vertically arranged in the box body, and the driving gear drives the lifting gear to rotate forward and backward on the screw rod and drive the lifting frame to move up and down; the torsion clamp is arranged at the lower part of the box body, a second motor is connected below the torsion clamp, and the second motor is used for controlling the rotation angle of the torsion clamp.
Description
Technical Field
The utility model relates to a high-low temperature test chamber, and belongs to the technical field of high-low temperature test devices.
Background
The high and low temperature test chamber is generally used for simulating temperature change so as to perform test on the test piece. The method is mainly used for carrying out high-temperature or low-temperature adaptability tests on engineering test pieces such as bolts. The test result is used for structural design, improvement and the like of the product. For engineering test pieces such as bolts and the like, besides high and low temperature tests, tensile and torsional tests are generally required, at present, common high and low temperature test boxes can only be used for high and low temperature tests, and the tensile and torsional tests are generally required to be manually performed by technicians, so that the tests are complicated and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the existing high-low temperature test box has low efficiency in tensile and torsional tests.
In order to solve the technical problems, the technical scheme of the utility model is to provide a high-low temperature test box, wherein a heat insulation layer is arranged outside a box body, a radiant tube is arranged inside the box body and used for heating, and a compressor is used for refrigerating; the lifting fixture is arranged below the lifting frame, a driving gear and a lifting gear which are in transmission connection are arranged on the lifting frame, the driving gear is driven by a motor I, the lifting gear is sleeved on a screw rod and is in threaded connection with the screw rod, the screw rod is vertically arranged in the box body, and the driving gear drives the lifting gear to rotate forward and backward on the screw rod and drive the lifting frame to move up and down; the torsion clamp is arranged at the lower part of the box body, a second motor is connected below the torsion clamp, and the second motor is used for controlling the rotation angle of the torsion clamp.
Preferably, the radiant tube, the compressor, the first motor and the second motor are electrically connected to an external control board and are controlled by the control board in a unified mode.
Preferably, the number of the screw rods is 2, and each screw rod is provided with a corresponding lifting gear.
Preferably, a plurality of pull rods can be arranged in the box body to serve as guide posts, and the pull rods penetrate through the lifting frame and are fixed at the upper end and the lower end of the box body.
Preferably, the number of the pull rods is 4.
Preferably, the box body is provided with an observation hole.
The high-low temperature test box has the advantages that multiple items of measurement contents of a test piece can be simultaneously carried out by using the high-low temperature test box, and the test piece can be uniformly operated by the control board, so that the test efficiency is greatly improved, and the high-low temperature test box is progressive.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
In order to make the utility model more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
Traditional high low temperature test case, the box is thermal insulation material outward, and the inside left and right sides of box is provided with the radiant tube, and the below sets up the compressor refrigeration.
As shown in figure 1, the utility model adds a pair of test piece clamps, a lifting clamp 1 positioned at the lower part and a twisting clamp 2 positioned at the lower part on the basic structure of the high-low temperature test chamber.
The twisting clamp 2 is arranged at the lower part of the box body, a second motor 6 is connected below the twisting clamp 2, and the second motor 6 is used for controlling the rotating angle of the twisting clamp 2.
The radiant tube, the compressor, the first motor 4 and the second motor 6 are electrically connected to an external control board and are controlled by the control board in a unified mode.
For structural stability, the number of spindles 5 is preferably 2, each spindle 5 being provided with a corresponding lifting gear 32.
In order to realize stable structure, a plurality of pull rods 7 can be arranged in the box body to be used as guide posts, the pull rods 7 penetrate through the lifting frame 3 and are fixed at the upper end and the lower end of the box body, and the number of the pull rods 7 is preferably 4.
In order to facilitate observation, the box body is provided with an observation hole.
The working principle and the process of the utility model are as follows: clamping two ends of a bolt to be tested on a lifting clamp 1 and a twisting clamp 2 respectively, selecting a corresponding sensor according to the required test content to be installed on a test piece to be tested, and changing the ambient temperature of the bolt through a radiant tube and a compressor; measuring the axial force of the bolt at different environmental temperatures through the lifting of the lifting clamp 1; the torque coefficients of the bolts at different ambient temperatures were measured by twisting the twist clamp 2.
Claims (6)
1. A high-low temperature test box is characterized in that a pair of test piece clamps are further arranged in the box body, and each test piece clamp comprises a lifting clamp (1) positioned at the upper part and a twisting clamp (2) positioned at the lower part; the lifting fixture (1) is arranged below the lifting frame (3), a driving gear (31) and a lifting gear (32) which are in transmission connection are mounted on the lifting frame (3), the driving gear (31) is driven by a motor I (4), the lifting gear (32) is sleeved on the screw rod (5) and is in threaded connection with the screw rod (5), the screw rod (5) is vertically arranged in the box body, and the driving gear (31) drives the lifting gear (32) to rotate forward and backward on the screw rod (5) to drive the lifting frame (3) to move up and down; the torsion clamp (2) is arranged at the lower part of the box body, a second motor (6) is connected below the torsion clamp (2), and the second motor (6) is used for controlling the rotating angle of the torsion clamp (2).
2. A high-low temperature test chamber as claimed in claim 1, wherein the radiant tube, the compressor, the first motor (4) and the second motor (6) are all electrically connected to an external control board and are controlled by the control board in a unified way.
3. A high-low temperature test chamber as claimed in claim 1, wherein the number of the screw rods (5) is 2, and each screw rod (5) is provided with a corresponding lifting gear (32).
4. The high and low temperature test chamber as claimed in claim 1, wherein a plurality of pull rods (7) are further arranged in the chamber body as guide posts, and the pull rods (7) pass through the lifting frame (3) and are fixed at the upper and lower ends of the chamber body.
5. A high-low temperature test chamber as claimed in claim 4, wherein the number of the tie rods (7) is 4.
6. A high-low temperature test chamber as claimed in claim 1, wherein the chamber body is provided with a viewing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121714560.5U CN215768341U (en) | 2021-07-27 | 2021-07-27 | High-low temperature test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121714560.5U CN215768341U (en) | 2021-07-27 | 2021-07-27 | High-low temperature test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215768341U true CN215768341U (en) | 2022-02-08 |
Family
ID=80107484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121714560.5U Active CN215768341U (en) | 2021-07-27 | 2021-07-27 | High-low temperature test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215768341U (en) |
-
2021
- 2021-07-27 CN CN202121714560.5U patent/CN215768341U/en active Active
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