Two-box type temperature shock test box

Abstract

The utility model discloses a two-box type temperature shock test box which is characterized in that a lifting basket is arranged in an inner cavity of a box body, the top of the lifting basket is connected with a plurality of guide rods which are vertically and uniformly arranged, the top ends of the guide rods extend upwards, penetrate out of the top surface of the box body and are connected with a cross beam above the box body, and two ends of the cross beam are connected with two electric cylinders which are symmetrically arranged on two sides of the box body; and screw rods of the two electric cylinders synchronously and vertically move up and down. The lead screws of the two electric cylinders synchronously and vertically move up and down, the lead screws drive the cross beam to do lifting motion above the box body, the cross beam is always kept horizontal, the guide rods at the bottom of the cross beam are evenly arranged, and it is guaranteed that the lifting basket is stressed stably, does not shake left and right or front and back and can stably ascend and descend.

Description

Technical Field

[0001] The utility model relates to the field of temperature shock test instruments, in particular to a two-chamber temperature shock test chamber. Background Art

[0002] Temperature shock test chambers are widely used in technical fields such as aviation, automobiles, and household appliances. They are mainly used to test the tolerance of materials in continuous environments of extremely high temperature and extremely low temperature, detect chemical changes or physical damages that occur to test samples in the environment of thermal expansion and contraction, and verify the reliability of test samples. The two-chamber temperature shock test chamber is a commonly used temperature shock test chamber, which includes a high-temperature chamber and a low-temperature chamber. It has a liftable basket for placing samples inside. The basket moves up and down between the high-temperature chamber and the low-temperature chamber, so that the sample is continuously switched between the high-temperature chamber and the low-temperature chamber, and high-temperature and low-temperature shocks are repeatedly carried out. The existing basket is driven by a motor fixed on the top surface of the box body to lift and lower a guiding rod connected to the center of the top of the basket, so as to realize the lifting and lowering of the basket. However, due to the large size and wide width of the basket itself, using only one guiding rod as the single suspension point of the basket easily causes the basket to shake and cannot meet the requirement of stable lifting of the basket. Content of the Utility Model

[0003] In view of the above-mentioned disadvantages of the existing two-chamber temperature shock test chamber, such as the large size of its basket and the easy shaking of the basket driven by only one guiding rod arranged at the center of its top, the applicant provides a two-chamber temperature shock test chamber with a reasonable structure. Electric cylinders for synchronous lifting are arranged on both sides of the box body. The electric cylinders drive a cross beam above the box body and a number of guiding rods connected to the bottom of the cross beam to lift and lower. The guiding rods are evenly arranged on the basket, so that the basket can be lifted and lowered stably.

[0004] The technical solution adopted by the utility model and the achieved technical effects are as follows:

[0005] A two-chamber temperature shock test chamber, the inner cavity of the box body has a liftable basket. The top of the basket is connected to a number of vertically and evenly arranged guiding rods. The top ends of the guiding rods extend upward, pass through the top surface of the box body and are connected to a cross beam above the box body. Both ends of the cross beam are connected to two symmetrically arranged electric cylinders on both sides of the box body. The lead screws of the two electric cylinders move up and down synchronously and vertically.

[0006] As a further improvement of the above technical solution:

[0007] Two guiding rods are provided, and the two guiding rods are symmetrically arranged along the axis of symmetry of the basket.

[0008] The lead screws of the two electric cylinders move up and down synchronously and vertically. The lead screws drive the cross beam to move up and down above the box body. The cross beam always remains horizontally arranged. The guiding rods at the bottom of the cross beam are evenly arranged, ensuring that the basket is stressed stably and will not shake left and right or front and back, and the basket can be lifted and lowered stably.

[0009] There are two enclosing guard plates arranged on both sides of the box body, and the electric cylinder is arranged in the cavity of the guard plate.

[0010] The lead screw at the top of the electric cylinder extends upward and passes through the top surface of the guard plate.

[0011] The guard plate can protect the electric cylinder, avoid damage caused by impact, and extend the service life of the electric cylinder.

[0012] The inner cavity of the box body is divided into an upper high-temperature chamber and a lower low-temperature chamber, and the basket lifts between the high-temperature chamber and the low-temperature chamber.

[0013] The size of the basket is equivalent to the size of the cross-section of the inner cavity of the box body.

[0014] The size of the basket is equivalent to the size of the cross-section of the inner cavity of the box body, which can ensure that the high-temperature chamber and the low-temperature chamber are independent of each other and do not interfere with each other. The basket lifts between the high-temperature chamber and the low-temperature chamber, so that the sample continuously switches between the high-temperature chamber and the low-temperature chamber, and high-temperature and low-temperature impacts are repeatedly carried out. Description of the Drawings

[0015] Figure 1 It is a perspective view of the present utility model.

[0016] Figure 2 It is a left view of the present utility model with the guard plate removed.

[0017] Figure 3 It is Figure 2 The sectional view taken along A-A in

[0018] Figure 4 It is a top view of the present utility model.

[0019] In the figure: 1. Box body; 2. Electric cylinder; 21. Lead screw; 3. Cross beam; 4. Guard plate; 5. Basket; 6. Guide rod; 7. High-temperature chamber; 8. Low-temperature chamber. Detailed Embodiment

[0020] The following combines the drawings to illustrate the detailed embodiment of the present utility model.

[0021] As Figures 1-4As shown in the figure, the inner cavity of the box body 1 of the two-chamber temperature shock test chamber of the present utility model is divided into a high-temperature chamber 7 in the upper part and a low-temperature chamber 8 in the lower part. The high-temperature chamber 7 and the low-temperature chamber 8 are independent of each other and do not interfere with each other. A basket 5 with several specimen areas is arranged in the center of the inner cavity of the box body 1. The size of the basket 5 is equivalent to the size of the cross-section of the inner cavity of the box body 1. The basket 5 moves up and down between the high-temperature chamber 7 and the low-temperature chamber 8. The top of the basket 5 is connected to the bottom ends of several vertically and evenly arranged guide rods 6. In this embodiment, two guide rods 6 are provided. The two guide rods 6 are symmetrically distributed along the axis of symmetry of the basket 5 to prevent the basket 5 from shaking during the lifting process and ensure the stability of the lifting of the basket 5. The top ends of the guide rods 6 extend upward, pass through the top surface of the box body 1 and are connected to the bottom of the cross beam 3 located above the box body 1. Two enclosing guard plates 4 are symmetrically arranged on both sides of the box body 1. An electric cylinder 2 is arranged in the inner cavity of the guard plate 4. The lead screw 21 at the top of the electric cylinder 2 extends upward and passes through the top surface of the guard plate 4. The two ends of the cross beam 3 are connected to the lead screws 21 of the electric cylinders 2.

[0022] During actual use, the lead screws 21 of the two electric cylinders 2 move up and down synchronously in a vertical direction. The lead screws 21 drive the cross beam 3 to move up and down above the box body 1. The cross beam 3 always remains horizontally arranged. Thus, the guide rods 6 connected to the bottom of the cross beam 3 and the basket 5 connected to the guide rods 6 can move up and down smoothly. The samples placed on the basket 5 are continuously switched between the high-temperature chamber 7 and the low-temperature chamber 8, and high-temperature and low-temperature shocks are repeatedly carried out.

[0023] The above description is an explanation of the present utility model, not a limitation of the present utility model. Without departing from the spirit of the present utility model, the present utility model can be modified in any form.

Claims

1. A two-chamber temperature shock test chamber, characterized in that: The inner cavity of the box body (1) is provided with a liftable basket (5). The top of the basket (5) is connected to a number of vertically and evenly arranged guide rods (6). The top ends of the guide rods (6) extend upward, pass through the top surface of the box body (1) and are connected to a cross beam (3) above the box body (1). Both ends of the cross beam (3) are connected to two electric cylinders (2) symmetrically arranged on both sides of the box body (1). The lead screws (21) of the two electric cylinders (2) move synchronously up and down vertically.

2. The two-chamber temperature shock test chamber according to claim 1, characterized in that: There are two guide rods (6), and the two guide rods (6) are symmetrically arranged along the central axis of the basket (5).

3. The two-chamber temperature shock test chamber according to claim 1, wherein: Two enclosing guard plates (4) are arranged on both sides of the box body (1), and the electric cylinders (2) are arranged in the cavities of the guard plates (4).

4. The two-chamber temperature shock test chamber according to claim 3, characterized in that: The lead screw (21) at the top of the electric cylinder (2) extends upward and passes through the top surface of the guard plate (4).

5. The two-chamber temperature shock test chamber according to claim 3, characterized in that: The inner cavity of the box body (1) is divided into an upper high-temperature chamber (7) and a lower low-temperature chamber (8), and the basket (5) moves up and down between the high-temperature chamber (7) and the low-temperature chamber (8).

6. The two-chamber temperature shock test chamber according to claim 1, characterized in that: The size of the basket (5) is equivalent to the size of the cross-section of the inner cavity of the box body (1).

Images