Constant-temperature water bath device for electrical conduit test

Abstract

The utility model discloses a constant-temperature water bath device for an electrical bushing test, which belongs to the technical field of electrical bushing test equipment and comprises a test box body, a cover plate and an electrical bushing body, the cover plate and the electrical bushing body are arranged on the test box body, and a constant-temperature controller is fixedly mounted at the bottom of the test box body. A heating plate extending into the test box body is installed on the constant temperature controller, supporting legs are fixedly installed on the two sides of the test box body, a fixing mechanism is arranged on the cover plate, and the fixing mechanism comprises a plurality of fixing plates symmetrically and fixedly installed at the bottom of the cover plate. Through the arrangement of the fixing mechanism, the electrical conduit body can be firmly fixed in the test box body, and the screw rod is rotated to move on the fixing plate under the action of the thread, so that the clamping plates are driven to move, the two clamping plates clamp the electrical conduit body, the electrical conduit body is effectively prevented from falling off, and the test efficiency is improved. And meanwhile, electrical conduit bodies with different sizes and thicknesses can be conveniently clamped, and use is convenient.

Description

Technical Field

[0001] The utility model relates to a constant temperature water bath device, in particular to a constant temperature water bath device for electrical bushing testing, belonging to the technical field of electrical bushing testing equipment. Background Art

[0002] Insulating electrical conduits are wire tubes and fittings made of polyvinyl chloride resin as the main raw material, with special additives added, and processed by extrusion and injection molding. They are mainly used in construction, communication cable conduits, telecommunication line sheaths, pre-buried and wall-penetrated construction industries, and buried cables. After production, electrical conduits usually need to be placed in a constant temperature water bath for testing.

[0003] According to the Chinese utility model patent (application number: CN201921771677.X), a digital display constant temperature water bath for testing electrical bushings is provided, including a box body and a cover plate arranged on the box body, the box body includes an inner tank and a constant temperature control device, the inner tank is a box structure with an open top, the constant temperature control device includes a heating rod, a temperature sensor, a submersible pump and a constant temperature controller, the heating rod and the submersible pump are both arranged on the bottom wall of the inner tank, the temperature sensor is arranged between the bottom of the inner tank and the box body, the constant temperature controller is arranged on the outer wall of the box body, and the constant temperature controller is connected to the heating rod and the submersible pump respectively; at least two groups of sleeve hole assemblies for testing electrical bushings are provided on the cover plate; the utility model adopts multiple groups of sleeve hole assemblies, so that it can test multiple bushings at a time, which effectively improves the detection efficiency; a submersible pump is installed in the inner tank, so that the water in the inner tank can circulate, which improves the heating efficiency, shortens the detection time, and reduces the energy consumption.

[0004] However, the device still has the following problems: the device only supports the electrical conduit through the sleeve hole. Since the electrical conduits have various specifications and different thicknesses, the electrical conduits cannot be well fixed by relying on the sleeve hole, which can easily cause the electrical conduits to fall off.

[0005] The utility model proposes a new solution to the above problems. Utility Model Content

[0006] The main purpose of the utility model is to solve the problem that the existing constant temperature water bath device uses the sleeve hole to limit the support of the electrical casing. Since the electrical casing has various specifications and different thicknesses, the electrical casing cannot be well fixed by relying on the sleeve hole, which easily causes the electrical casing to fall off. A constant temperature water bath device for electrical casing testing is provided.

[0007] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0008] A constant temperature water bath device for testing electrical conduits, comprising a test box, and a cover plate and an electrical conduit body arranged on the test box, a constant temperature controller fixedly mounted on the bottom of the test box, a heating plate extending to the inside of the test box mounted on the constant temperature controller, legs fixedly mounted on both sides of the test box, a fixing mechanism arranged on the cover plate, the fixing mechanism comprising a plurality of fixing plates symmetrically fixedly mounted on the bottom of the cover plate, screws connected by threads arranged on the fixing plates, and clamps movably mounted by bearings arranged at the ends of two adjacent screws close to each other.

[0009] Preferably, rubber pads are fixedly mounted on the mutually adjacent sides of the two clamping plates.

[0010] Preferably, a fixing block is fixedly mounted on the top of the clamping plate, and a limiting rod slidably connected to the fixing plate is fixedly mounted on the fixing block.

[0011] Preferably, two electric telescopic rods are fixedly mounted on the surface of the test box, and support blocks connected to the electric telescopic rods are fixedly mounted on both sides of the cover plate.

[0012] Preferably, a sealing block is fixedly installed on the top of the test box, and a sealing groove tightly fitting with the sealing block is formed on the cover plate.

[0013] Preferably, a fixing frame fixedly mounted on the test box is provided on both sides of the constant temperature controller, a motor is fixedly mounted inside the fixing frame, and a stirring rod extending to the inside of the test box is mounted on the output end of the motor.

[0014] Preferably, a sealed bearing is installed at the connection between the test box and the stirring rod.

[0015] Preferably, a movable door movably installed by hinges is provided on the front side of the fixed frame.

[0016] Preferably, a heat dissipation opening is provided at the bottom of the fixing frame, and a protective net is fixedly installed inside the heat dissipation opening.

[0017] Preferably, a plurality of movable wheels are installed at the bottom of the supporting legs, and an observation window is installed at the front of the test box.

[0018] The beneficial technical effect of the utility model is as follows: according to the constant temperature water bath device for testing electrical conduits of the utility model, the electrical conduit body can be firmly fixed inside the test box through the setting of the fixing mechanism, and the screw rod is moved on the fixing plate under the action of the thread by rotating the screw rod, thereby driving the clamping plate to move, so that the two clamping plates clamp the electrical conduit body, effectively preventing the electrical conduit body from falling off, and at the same time facilitating the clamping of electrical conduit bodies of different sizes and thicknesses, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the internal structure according to a preferred embodiment of the utility model;

[0020] Figure 2 It is a schematic diagram of the overall structure of a preferred embodiment of the utility model;

[0021] Figure 3 It is a schematic diagram of the limit rod structure according to a preferred embodiment of the utility model;

[0022] Figure 4 A schematic diagram of the sealing groove structure according to a preferred embodiment of the utility model;

[0023] Figure 5 A schematic diagram of a movable door structure according to a preferred embodiment of the utility model;

[0024] Figure 6 The figure is a schematic diagram of the structure of the moving wheel according to a preferred embodiment of the utility model.

[0025] In the figure: 1-test box, 2-cover plate, 3-electrical casing body, 4-constant temperature controller, 5-heating plate, 6-legs, 7-fixing mechanism, 8-fixing plate, 9-screw, 10-clamp, 11-rubber pad, 12-fixing block, 13-limiting rod, 14-electric telescopic rod, 15-support block, 16-sealing block, 17-sealing groove, 18-fixing frame, 19-motor, 20-stirring rod, 21-sealed bearing, 22-movable door, 23-heat dissipation port, 24-moving wheel, 25-observation window. DETAILED DESCRIPTION

[0026] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0027] like Figure 1-Figure 6As shown, the constant temperature water bath device for testing electrical bushings provided in this embodiment comprises a test box 1, a cover plate 2 and an electrical bushing body 3 arranged on the test box 1, a constant temperature controller 4 is fixedly installed at the bottom of the test box 1, a heating plate 5 extending to the inside of the test box 1 is installed on the constant temperature controller 4, legs 6 are fixedly installed on both sides of the test box 1, a fixing mechanism 7 is arranged on the cover plate 2, and the fixing mechanism 7 comprises a plurality of fixing plates 8 symmetrically fixedly installed at the bottom of the cover plate 2, and a fixing plate 8 is provided on the fixing plate 8 connected by a thread The screw rods 9 are connected, and one end of two adjacent screw rods 9 close to each other is provided with a clamping plate 10 movably installed through a bearing. Through the setting of the fixing mechanism 7, the electrical socket body 3 can be firmly fixed inside the test box 1. By rotating the screw rod 9, it moves on the fixing plate 8 under the action of the thread, thereby driving the clamping plate 10 to move, so that the two clamping plates 10 clamp the electrical socket body 3, effectively preventing the electrical socket body 3 from falling off, and at the same time, it is convenient to clamp the electrical socket body 3 of different sizes and thicknesses, which is convenient for use.

[0028] In this embodiment, if Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a rubber pad 11 is fixedly installed on one side of the two clamps 10 that are close to each other, a fixed block 12 is fixedly installed on the top of the clamp 10, a limit rod 13 slidably connected to the fixed plate 8 is fixedly installed on the fixed block 12, two electric telescopic rods 14 are fixedly installed on the surface of the test box 1, and support blocks 15 connected to the electric telescopic rods 14 are fixedly installed on both sides of the cover plate 2. By setting the rubber pad 11, the friction force on the surface of the clamping plate 10 can be increased, so that the clamping of the electrical conduit is more firmly. By setting the fixing block 12 and the limiting rod 13, during the movement of the clamping plate 10, the fixing block 12 and the limiting rod 13 move together on the fixing plate 8, so that the fixing block 12 always plays a role of limiting support for the clamping plate 10, thereby improving the stability of the movement of the clamping plate 10 and preventing the clamping plate 10 from flipping over and affecting the clamping of the electrical conduit body 3. By setting the electric telescopic rod 14 and the support block 15, the cover plate 2 can be automatically lifted to take the electrical conduit body 3 out of the test box 1 without manual pulling, which is easy to use.

[0029] In this embodiment, if Figure 1 and Figure 4As shown, a sealing block 16 is fixedly installed on the top of the test box 1, a sealing groove 17 that fits tightly with the sealing block 16 is opened on the cover plate 2, and both sides of the constant temperature controller 4 are provided with a fixing frame 18 fixedly installed on the test box 1, and a motor 19 is fixedly installed inside the fixing frame 18. A stirring rod 20 extending into the interior of the test box 1 is installed at the output end of the motor 19, and a sealed bearing 21 is installed at the connection between the test box 1 and the stirring rod 20. By setting the sealing block 16 and the sealing groove 17, the sealing between the test box 1 and the cover plate 2 can be increased to prevent heat loss and ensure the constant temperature effect of the test box 1. By setting the fixed frame 18, the motor 19 and the stirring rod 20, the stirring rod 20 can be driven by the motor 19 to stir the inside of the test box 1, thereby improving the heating efficiency of the water inside the test box 1. At the same time, the number of stirring rods 20 is two, which can increase the stirring range. By setting the sealing bearing 21, the connection between the test box 1 and the stirring rod 20 can be sealed to prevent water from leaking from the test box 1.

[0030] In this embodiment, if Figure 1 , Figure 2 , Figure 5 and Figure 6 As shown, a movable door 22 movably installed by hinges is provided on the front of the fixed frame 18, a heat dissipation port 23 is provided at the bottom of the fixed frame 18, a protective net is fixedly installed inside the heat dissipation port 23, a plurality of movable wheels 24 are installed at the bottom of the legs 6, and an observation window 25 is installed on the front of the test box 1. Through the provision of the movable door 22, a movable door 22 that can be movably opened and closed is provided on the front of the fixed frame 18, which facilitates timely maintenance of the fixed frame 18. Through the provision of the heat dissipation port 23, it is convenient to discharge the heat generated during the operation of the fixed frame 18. At the same time, the provision of the protective net can prevent the in-service from entering the fixed frame 18 and causing damage to the motor 19. Through the provision of the movable wheels 24, it is convenient to move the position of the entire test box 1, and the provision of the observation window 25 facilitates the inspection of the water quality inside the test box 1, which is convenient for timely replacement.

[0031] In this embodiment, if Figure 1-Figure 6 As shown, the working process of a constant temperature water bath device for electrical bushing testing provided in this embodiment is as follows:

[0032] Step 1: Start the electric telescopic rod 14 to lift the cover plate 2, then place the electrical bushing body 3 between the two clamping plates 10, then rotate the screw 9 to drive the clamping plates 10 to approach the electrical bushing body 3 under the action of the thread, until the two clamping plates 10 clamp and fix the electrical bushing body 3, and then start the electric telescopic rod 14 to shrink and drive the cover plate 2 to descend to transfer the electrical bushing body 3 into the test box 1;

[0033] Step 2: Start the thermostatic controller 4 to control the heating plate 5 to heat the water in the test box 1, start the motor 19 to drive the stirring rod 20 to rotate and stir the water to heat it quickly, and then start testing the electrical conduit body 3.

[0034] In summary, in this embodiment, according to the constant temperature water bath device for testing electrical conduits in this embodiment, the friction force on the surface of the clamping plate 10 can be increased by setting the rubber pad 11, so that the clamping of the electrical conduit is more firmly secured. By setting the fixing block 12 and the limiting rod 13, during the movement of the clamping plate 10, the fixing block 12 and the limiting rod 13 move together on the fixing plate 8, so that the fixing block 12 always plays a role of limiting support for the clamping plate 10, thereby improving the stability of the movement of the clamping plate 10 and preventing the clamping plate 10 from flipping over and affecting the clamping of the electrical conduit body 3. By setting the electric telescopic rod 14 and the supporting block 15, the cover plate 2 can be automatically lifted to remove the electrical conduit body 3 from the inside of the test box 1 without manual pulling, which is easy to use. By setting the sealing block 16 and the sealing groove 17, the sealing between the test box 1 and the cover plate 2 can be increased to prevent heat loss and ensure the constant temperature effect of the test box 1. , the motor 19 and the stirring rod 20 are set. The stirring rod 20 can stir the inside of the test box 1 under the drive of the motor 19, thereby improving the heating efficiency of the water inside the test box 1. At the same time, two stirring rods 20 are set to increase the stirring range. By setting the sealing bearing 21, the connection between the test box 1 and the stirring rod 20 can be sealed to prevent water from leaking from the test box 1. By setting the movable door 22, a movable door 22 that can be opened and closed is set on the front of the fixed frame 18, which is convenient for timely maintenance of the fixed frame 18. By setting the heat dissipation port 23, the heat generated by the fixed frame 18 during operation can be discharged outwardly. At the same time, the setting of the protective net can prevent employees from entering the fixed frame 18 to damage the motor 19. By setting the moving wheel 24, the overall position of the test box 1 is conveniently moved, and the observation window 25 is set to facilitate the inspection of the water quality inside the test box 1, which is convenient for timely replacement.

[0035] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A constant temperature water bath device for testing electrical conduits, comprising a test box (1), a cover plate (2) and an electrical conduit body (3) arranged on the test box (1), a constant temperature controller (4) fixedly mounted on the bottom of the test box (1), a heating plate (5) extending into the interior of the test box (1) mounted on the constant temperature controller (4), legs (6) fixedly mounted on both sides of the test box (1), characterized in that: The cover plate (2) is provided with a fixing mechanism (7), the fixing mechanism (7) comprising a plurality of fixing plates (8) symmetrically fixedly mounted on the bottom of the cover plate (2), the fixing plates (8) being provided with screw rods (9) connected by threads, and the ends of two adjacent screw rods (9) close to each other are both provided with clamping plates (10) movably mounted by bearings.

2. A constant temperature water bath device for testing electrical bushings as claimed in claim 1, characterized in that: A rubber pad (11) is fixedly mounted on the mutually adjacent sides of the two clamping plates (10).

3. A constant temperature water bath device for testing electrical bushings as claimed in claim 1, characterized in that: A fixing block (12) is fixedly mounted on the top of the clamping plate (10), and a limiting rod (13) slidably connected to the fixing plate (8) is fixedly mounted on the fixing block (12).

4. A constant temperature water bath device for testing electrical bushings as claimed in claim 1, characterized in that: Two electric telescopic rods (14) are fixedly mounted on the surface of the test box (1), and support blocks (15) connected to the electric telescopic rods (14) are fixedly mounted on both sides of the cover plate (2).

5. A constant temperature water bath device for testing electrical bushings as claimed in claim 1, characterized in that: A sealing block (16) is fixedly mounted on the top of the test box (1), and a sealing groove (17) which is tightly fitted with the sealing block (16) is provided on the cover plate (2).

6. A constant temperature water bath device for testing electrical bushings as claimed in claim 1, characterized in that: Both sides of the thermostatic controller (4) are provided with a fixing frame (18) fixedly mounted on the test box (1), a motor (19) is fixedly mounted inside the fixing frame (18), and a stirring rod (20) extending into the interior of the test box (1) is mounted at the output end of the motor (19).

7. A constant temperature water bath device for testing electrical bushings as claimed in claim 6, characterized in that: A sealed bearing (21) is installed at the connection between the test box (1) and the stirring rod (20).

8. A constant temperature water bath device for testing electrical bushings as claimed in claim 6, characterized in that: The front side of the fixed frame (18) is provided with a movable door (22) which is movably installed via hinges.

9. A constant temperature water bath device for testing electrical bushings as claimed in claim 6, characterized in that: A heat dissipation opening (23) is provided at the bottom of the fixing frame (18), and a protective net is fixedly installed inside the heat dissipation opening (23).

10. A constant temperature water bath device for testing electrical bushings as claimed in claim 1, characterized in that: A plurality of moving wheels (24) are installed at the bottom of the supporting legs (6), and an observation window (25) is installed at the front of the test box (1).

Images