Heat preservation performance testing device for prefabricated directly-buried spiral heat preservation pipe

Abstract

The utility model provides a heat preservation performance testing device for a prefabricated directly-buried spiral heat preservation pipe, and relates to the field of spiral heat preservation pipes. The heat preservation performance testing device for the prefabricated directly-buried spiral heat preservation pipe comprises a water storage tank, and a heating mechanism is fixedly installed on one side of the water storage tank. In consideration of the problems that heat is lost and is difficult to reuse when a heat medium is recycled, an external power supply is communicated, a servo motor drives a positive screw and a negative screw to rotate, then two sets of clamping plates are driven to move oppositely, a spiral heat preservation pipe is clamped and fixed, a circulating water pump is started, and hot water in a water storage tank is pumped out; after use, the circulating water pump pumps hot water in the spiral heat preservation pipe back to the water storage tank, and the electric heating bar heats and preserves heat of a water source, so that the heat preservation performance of the spiral heat preservation pipe can be tested, and the heat preservation performance of the spiral heat preservation pipe can be tested. Therefore, the heat medium can be reused, and resources are saved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of spiral heat preservation pipes, and particularly relates to a heat preservation performance testing device for prefabricated direct-buried spiral heat preservation pipes. BACKGROUND

[0002] The spiral heat preservation pipe is used for conveying liquid, gas and other media. The heat preservation layer material of the spiral heat preservation pipe is polyurethane foam. The gap between the steel pipe and the sleeve pipe is filled with the heat preservation layer material, which has a certain bonding strength, so that the steel pipe, the outer sleeve pipe and the heat preservation layer form a firm whole. In the production process of the spiral heat preservation pipe, the heat preservation performance of the spiral heat preservation pipe needs to be tested.

[0003] The existing heat preservation performance testing device for prefabricated direct-buried spiral heat preservation pipes generally fills a heat medium into the heat preservation pipe, and then detects the temperature outside the heat preservation pipe to test the heat preservation performance of the heat preservation pipe. However, the heat medium is difficult to be reused because the heat is lost when the heat medium is recycled, thereby causing waste. SUMMARY

[0004] The application provides a heat preservation performance testing device for prefabricated direct-buried spiral heat preservation pipes to solve the problem that the heat medium is difficult to be reused because the heat is lost when the heat medium is recycled.

[0005] The application provides a heat preservation performance testing device for prefabricated direct-buried spiral heat preservation pipes, which comprises a water storage tank, a heating mechanism is fixedly installed on one side of the water storage tank, a test frame is fixedly installed on the top surface of the water storage tank, a supporting frame is fixedly installed on the middle of the surface of the test frame, and a test mechanism is fixedly installed on the top surface of the supporting frame; a servo motor is fixedly installed on one side of the test frame, a rotating mechanism is fixedly arranged on the output end of the servo motor, and clamping plates are threadedly arranged on the two sides of the surface of the rotating mechanism.

[0006] Preferably, the heating mechanism comprises an electric heating rod fixedly installed on one side of the water storage tank, and a temperature controller is electrically connected to one side of the electric heating rod, so that the temperature controller controls the heating temperature of the electric heating rod.

[0007] Preferably, the test mechanism comprises a hydraulic rod installed on the top surface of the supporting frame, and a temperature sensor is fixedly installed on the bottom of the hydraulic rod, so that the temperature sensor senses the temperature outside the spiral heat preservation pipe.

[0008] Preferably, one side of the temperature sensor is electrically connected to a controller, and one side of the controller is electrically connected to a display, so that the display is used for displaying the temperature reading.

[0009] Preferably, the rotating mechanism comprises a normal screw rod fixedly arranged on the output end of the servo motor, and a reverse screw rod is fixedly arranged on one end of the normal screw rod, so that the normal screw rod and the reverse screw rod are used for driving the two groups of clamping plates to move.

[0010] Preferably, the front of the water storage tank is fixedly provided with a circulating water pump, the input end of the circulating water pump is penetratingly arranged in the inside of the water storage tank, the output end of the circulating water pump is penetratingly arranged on one side of the clamping plate, and the surface of the clamping plate is fixedly provided with a sealing rubber pad.

[0011] Preferably, the edge of the top surface of the water storage tank is fixedly provided with a water inlet, and one side of the bottom surface of the water storage tank is penetratingly provided with a drain pipe.

[0012] Beneficial effects:

[0013] Considering that heat of the heat medium is lost during circulation and is difficult to be reused, an external power source is connected, the servo motor drives the positive screw rod and the negative screw rod to rotate, and then drives the two groups of clamping plates to move towards each other, so that the spiral heat preservation pipe is clamped and fixed, the circulating water pump is opened, the hot water in the water storage tank is pumped out and delivered into the spiral heat preservation pipe, then the hydraulic rod is opened, and the temperature sensor is attached to the outer surface of the spiral heat preservation pipe to detect the temperature, so that the heat preservation performance of the spiral heat preservation pipe is tested; after use, the circulating water pump pumps the hot water in the spiral heat preservation pipe back into the water storage tank, and the electric heating rod heats and preserves the water source, so that the heat medium can be reused, and resources are saved.

[0014] The above description is only a summary of the technical scheme of the embodiments of the present application, in order to more clearly understand the technical means of the embodiments of the present application, the embodiments of the present application can be implemented according to the content of the specification, and in order to make the above and other purposes, characteristics and advantages of the embodiments of the present application more obvious and easy to understand, the following specific embodiments of the present application are described. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0016] Figure 1 It is a whole structure schematic view of the heat preservation performance testing device for prefabricated direct-buried spiral heat preservation pipe.

[0017] Figure 2 It is a rotating mechanism structure schematic view of the heat preservation performance testing device for prefabricated direct-buried spiral heat preservation pipe.

[0018] Figure 3 It is a testing mechanism structure schematic view of the heat preservation performance testing device for prefabricated direct-buried spiral heat preservation pipe.

[0019] Figure 4The utility model relates to a heating mechanism structure schematic view of prefabricated direct -buried spiral heat -preservation pipe heat -preservation testing arrangement.

[0020] Mark explanation:

[0021] 1, water storage tank;2, heating mechanism;201, electric heating rod;202, temperature controller;3, test frame;4, support frame;5, test mechanism;501, hydraulic rod;502, temperature sensor;6, servo motor;7, rotating mechanism;701, positive screw;702, reverse screw;8, clamping plate;9, display;10, circulating water pump;11, sealing rubber pad. Specific embodiments

[0022] In order to make the purpose, technical scheme and advantage of the embodiments of the application more clear, the technical scheme in the embodiments of the application will be clearly and completely described below in conjunction with the drawings in the embodiments of the application. Obviously, the described embodiments are part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the specification of the application only for the purpose of describing specific embodiments, is not intended to limit the application; the terms "include" and "have" and their any variations in the specification and claims of the application and the drawing description, are intended to cover non-exclusive inclusion.

[0024] In this paper, the "embodiment" means that the specific features, structures or characteristics described in conjunction with the embodiment can be included in at least one embodiment of the application. The phrase "embodiment" appears in various places in the specification does not necessarily refer to the same embodiment, nor is it independent or alternative to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0025] The positional words appearing in the following description are the directions shown in the drawings, and are not intended to limit the specific structure of the present application. For example, in the description of the present application, the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only intended to facilitate the description of the present application and simplify the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0026] In addition, the expressions of the indicated directions for describing the operation and structure of each component of the present embodiment, such as the X direction, the Y direction and the Z direction, are not absolute but relative, and although these indications are appropriate when each component is in the position shown in the drawings, these directions should be interpreted differently to correspond to the change when these positions change.

[0027] In addition, the terms "first", "second" and the like in the description and claims of the present application or the above drawings are used to distinguish different objects, and are not intended to describe a particular order, and can explicitly or implicitly include one or more of the features.

[0028] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, the "connecting" or "connecting" of mechanical structure can mean physical connection, for example, the physical connection can be fixed connection, for example, fixed connection by fixing member, for example, fixed connection by screw, bolt or other fixing member; the physical connection can also be detachable connection, for example, mutual clamping or clamping connection; the physical connection can also be integrally connected, for example, welding, bonding or integrally formed connection for connection. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings.

[0030] The utility model provides a kind of Figures 1-4The utility model provides an insulating property testing device for prefabricated direct -buried spiral heat preservation pipe, including water storage tank 1, one side of water storage tank 1 is fixedly installed heating mechanism 2, the top surface of water storage tank 1 is fixedly installed test stand 3, the middle part of test stand 3 surface is fixedly installed support frame 4, the top surface of support frame 4 is fixedly installed test mechanism 5, one side of test stand 3 is fixedly installed servo motor 6, the output of servo motor 6 is fixedly provided with rotating mechanism 7, both sides of rotating mechanism 7 surface are all threadedly set up clamping plate 8,

[0031] Considering that heat will be lost when the heat medium is recycled, it is difficult to reuse, the external power supply is connected, the servo motor 6 drives the positive screw rod 701 and the reverse screw rod 702 to rotate, and then drives the two groups of clamping plates 8 to move towards each other, clamping and fixing the spiral heat preservation pipe, opening the circulating water pump 10, the hot water in the water storage tank 1 is pumped out and delivered into the spiral heat preservation pipe, and then the hydraulic rod 501 is opened to drive the temperature sensor 502 to adhere to the outer surface of the spiral heat preservation pipe for temperature detection, so as to test the heat preservation performance of the spiral heat preservation pipe. After use, the circulating water pump 10 pumps the hot water in the spiral heat preservation pipe back into the water storage tank 1, and the electric heating rod 201 heats and insulates the water source, so that the heat medium can be reused, saving resources.

[0032] The heating mechanism 2 includes an electric heating rod 201 fixedly installed on one side of the water storage tank 1, and a temperature controller 202 electrically connected to one side of the electric heating rod 201.

[0033] The electric heating rod 201 heats the water in the water storage tank 1 after being powered on, and the temperature controller 202 is used to control the heating temperature of the electric heating rod 201.

[0034] The test mechanism 5 includes a hydraulic rod 501 installed on the top surface of the support frame 4, and a temperature sensor 502 fixedly installed on the bottom of the hydraulic rod 501.

[0035] Opening the hydraulic rod 501 drives the temperature sensor 502 to adhere to the outer surface of the spiral heat preservation pipe for temperature detection.

[0036] The temperature sensor 502 is electrically connected to a controller on one side, and the controller is electrically connected to a display 9 on one side.

[0037] The temperature sensor 502 senses the temperature and displays the temperature value on the display 9 through the controller.

[0038] The rotating mechanism 7 includes a positive screw rod 701 fixedly provided on the output end of the servo motor 6, and a reverse screw rod 702 fixedly provided on one end of the positive screw rod 701.

[0039] The servo motor 6 drives the positive screw rod 701 and the reverse screw rod 702 to rotate, and then drives the two groups of clamping plates 8 to move towards each other, clamping and fixing the spiral heat preservation pipe.

[0040] The front surface of the water storage tank 1 is fixedly provided with a circulating water pump 10, the input end of the circulating water pump 10 is provided through the inside of the water storage tank 1, the output end of the circulating water pump 10 is provided through one side of the clamping plate 8, and the surface of the clamping plate 8 is fixedly provided with a sealing rubber pad 11.

[0041] The circulating water pump 10 is opened, the hot water in the water storage tank 1 is pumped out and delivered into the spiral heat preservation pipe, after use, the circulating water pump 10 pumps the hot water in the spiral heat preservation pipe back into the water storage tank 1.

[0042] The edge of the top surface of the water storage tank 1 is fixedly provided with a water inlet, and the bottom surface of the water storage tank 1 is provided through one side with a drain pipe.

[0043] The drain pipe facilitates water drainage.

[0044] Working principle: when the prefabricated direct-buried spiral heat preservation pipe is used, the external power supply is connected, the servo motor 6 drives the forward screw rod 701 and the reverse screw rod 702 to rotate, and then drives the two groups of clamping plates 8 to move towards each other, and the spiral heat preservation pipe is clamped and fixed.

[0045] The circulating water pump 10 is opened, the hot water in the water storage tank 1 is pumped out and delivered into the spiral heat preservation pipe, and then the hydraulic rod 501 is opened, the temperature sensor 502 is driven to adhere to the outer surface of the spiral heat preservation pipe for temperature detection, so as to test the heat preservation performance of the spiral heat preservation pipe.

[0046] After use, the circulating water pump 10 pumps the hot water in the spiral heat preservation pipe back into the water storage tank 1, the electric heating rod 201 warms and preserves the water source, so that the heat medium can be reused, and resources are saved.

[0047] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A device for testing the thermal insulation of prefabricated direct-buried spiral thermal insulation pipes, comprising a water storage tank (1), characterized in that: One side of the water storage tank (1) is fixedly installed with a heating mechanism (2); The top surface of the water storage tank (1) is fixedly installed with a test rack (3), the middle of the surface of the test rack (3) is fixedly installed with a support frame (4), and the top surface of the support frame (4) is fixedly installed with a test mechanism (5); One side of the test rack (3) is fixedly installed with a servo motor (6), the output end of the servo motor (6) is fixedly provided with a rotating mechanism (7), and both sides of the surface of the rotating mechanism (7) are threadedly provided with clamping plates (8).

2. The testing device for testing the thermal insulation property of a prefabricated direct-burial spiral thermal insulation pipe according to claim 1, characterized in that: The heating mechanism (2) comprises an electric heating rod (201) fixedly installed on one side of the water storage tank (1), and one side of the electric heating rod (201) is electrically connected with a temperature controller (202).

3. The testing device for testing the thermal insulation property of a prefabricated direct-burial spiral thermal insulation tube according to claim 1, characterized in that: The test mechanism (5) comprises a hydraulic rod (501) installed on the top surface of the support frame (4), and the bottom of the hydraulic rod (501) is fixedly installed with a temperature sensor (502).

4. The testing device for testing the thermal insulation property of a prefabricated direct-burial spiral thermal insulation tube according to claim 3, characterized in that: One side of the temperature sensor (502) is electrically connected with a controller, and one side of the controller is electrically connected with a display (9).

5. The testing device for testing the thermal insulation property of a prefabricated direct-burial spiral thermal insulation tube according to claim 1, characterized in that: The rotating mechanism (7) comprises a right screw rod (701) fixedly provided at the output end of the servo motor (6), and one end of the right screw rod (701) is fixedly provided with a reverse screw rod (702).

6. The testing device for testing the thermal insulation property of a prefabricated direct-burial spiral thermal insulation tube according to claim 1, characterized in that: The front surface of the water storage tank (1) is fixedly installed with a circulating water pump (10), the input end of the circulating water pump (10) is throughly arranged in the inside of the water storage tank (1), the output end of the circulating water pump (10) is throughly arranged on one side of the clamping plate (8), and the surface of the clamping plate (8) is fixedly provided with a sealing rubber pad (11).

7. The testing device for testing the thermal insulation property of a prefabricated direct-burial spiral thermal insulation tube according to claim 1, characterized in that: The edge of the top surface of the water storage tank (1) is fixedly provided with a water inlet, and one side of the bottom surface of the water storage tank (1) is throughly provided with a drain pipe.

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