Device for testing heat-conducting property of recycled concrete

Abstract

The utility model relates to a recycled concrete heat-conducting property testing device, and relates to the field of concrete testing equipment. The device comprises a supporting piece and a measuring cylinder, the supporting piece comprises an adjusting piece, the adjusting piece comprises an adjusting frame, a through cylinder is vertically fixed to the middle of the adjusting frame in a penetrating mode, the measuring cylinder is vertically arranged at the bottom end of the through cylinder, the top end of the measuring cylinder is fixed to the bottom end of the through cylinder in a penetrating mode, and scale marks are formed in the outer circumferential face of the measuring cylinder in the vertical direction; an inner cylinder is vertically inserted into the measuring cylinder in a sliding mode, the bottom end of the inner cylinder is open, a temperature measuring probe is vertically fixed into the inner cylinder, a push rod is vertically inserted into the through cylinder in a penetrating mode and slidably connected into the measuring cylinder, and the bottom end of the push rod is fixed to the top face of the inner cylinder. The temperature measuring probe is in direct contact with the concrete with the temperature measuring depth, so that the temperature of the concrete is measured, the temperature measuring probe is in direct contact with the concrete with the temperature measuring depth during measurement, and the temperature measuring precision is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of concrete testing equipment, and in particular to a recycled concrete heat conduction performance testing device. BACKGROUND

[0002] Recycled concrete refers to new concrete formed by crushing, washing and grading waste concrete blocks, mixing them with natural aggregates such as sand and gravel in a certain proportion and gradation, and adding cement, water and other ingredients to replace part or all of the natural aggregates.

[0003] The existing patent with the publication number CN207007375U and the name of a mass concrete temperature measuring pipe row comprises a plurality of temperature measuring pipes, a temperature measuring pipe is used to extend a thermometer to the bottom of the pipe to measure the internal temperature of the concrete, the lengths of the plurality of temperature measuring pipes are sequentially increased and are fixed together through a fixing plate, a fixing rod is arranged on the fixing plate, the fixing rod is used to be tied with a steel bar to fix the temperature measuring pipe row in the concrete, the temperature measuring pipe is made of plastic material, the plurality of temperature measuring pipes are used to extend the thermometer to the bottom of the pipe to measure the internal temperature of the concrete, the lengths of the plurality of temperature measuring pipes are sequentially increased and are fixed together through the fixing plate, the fixing rod is arranged on the fixing plate, the fixing rod is used to be tied with the steel bar to fix the temperature measuring pipe row in the concrete, and the temperature measuring pipe is made of plastic material.

[0004] For the related technology in the above, the inventors find that when detecting the temperature in the concrete layer, the temperature measuring pipe is first inserted into the concrete, and then the thermometer is extended into the concrete layer, and the temperature of the concrete is introduced into the thermometer through the temperature measuring pipe for detection. Since the thermometer does not directly contact the concrete during temperature measurement, the temperature of the temperature measuring point is easily disturbed by external factors such as the heat conduction coefficient of the temperature measuring pipe, resulting in inaccurate measurement of the temperature. Practical new type content

[0005] In order to overcome the problem that the thermometer does not directly contact the concrete during temperature measurement, the temperature of the temperature measuring point is easily disturbed by external factors such as the heat conduction coefficient of the temperature measuring pipe, and the measured temperature is not accurate enough, the present application provides a recycled concrete heat conduction performance testing device.

[0006] The recycled concrete heat conduction performance testing device provided by the present application adopts the following technical scheme:

[0007] The utility model provides a kind of recycled concrete heat conduction performance testing device, including support and measuring cylinder, support includes adjusting part, adjusting part includes adjusting frame, the middle part of adjusting frame is vertically through fixed with through cylinder, and the bottom end of through cylinder is vertically provided with measuring cylinder, the top end of measuring cylinder is vertically fixed in the bottom end of through cylinder, and scale line is opened on the outer circumferential surface of measuring cylinder along vertical direction, the inside of measuring cylinder is vertically slidably connected with inner cylinder, and the bottom end of inner cylinder is open, temperature probe is vertically fixed in the inside of inner cylinder, push rod is slidably connected in the inside of through cylinder and measuring cylinder, and the bottom end of push rod is fixed on the top surface of inner cylinder.

[0008] By using the above technical scheme, according to the temperature measurement requirement of the depth of concrete, the depth of concrete is measured according to the scale line on the measuring cylinder, then the push rod is pushed to slide in the through cylinder and the measuring cylinder of the adjusting frame, the inner cylinder is pushed to slide in the measuring cylinder, the inner cylinder slides out of the measuring cylinder, the temperature probe in the inner cylinder slides out of the measuring cylinder, and the temperature probe directly contacts the concrete at the temperature measurement depth, so as to measure the temperature of the concrete.

[0009] Optionally, the bottom end of the inner cylinder is vertically provided with a mesh cylinder, and the top surface of the mesh cylinder is fixed on the bottom surface of the inner cylinder.

[0010] By using the above technical scheme, the bottom end of the inner cylinder is connected with the mesh cylinder, the mesh cylinder slides out of the measuring cylinder, and the mesh cylinder contacts the concrete, so as to facilitate the temperature probe to contact the concrete to measure the temperature.

[0011] Optionally, the bottom end of the mesh cylinder is provided with a push head, and the push head is fixed on the bottom surface of the mesh cylinder.

[0012] By using the above technical scheme, the push head is arranged to press against the concrete, so as to facilitate the measuring cylinder to penetrate into the concrete layer.

[0013] Optionally, screw holes are vertically formed at both ends of the adjusting frame, and screw rods are threadedly assembled in the screw holes of the adjusting frame.

[0014] By using the above technical scheme, the screw rods in the screw holes of the adjusting frame are rotated in use, and the adjusting frame is vertically pushed by the screw rods to keep stable.

[0015] Optionally, a support plate is horizontally arranged on the bottom surface of the screw rod, a rotating seat is vertically fixed on the top surface of the middle part of the support plate, and the rotating seat is rotatably connected with the bottom end of the screw rod.

[0016] By using the above technical scheme, the support plate at the bottom end of the screw rod increases the contact area of the adjusting frame with the concrete layer, so as to effectively ensure the stability of the adjusting frame.

[0017] Optionally, a rubber pad is horizontally arranged on the bottom surface of the support plate.

[0018] By adopting the technical scheme, the rubber pad is fixed on the bottom surface of the support plate, and the insertion depth into the concrete is effectively increased.

[0019] Optionally, a level is horizontally fixed on the top surface of the adjusting frame.

[0020] By adopting the technical scheme, the level is fixed on the adjusting frame, the insertion depth into the concrete is controlled, the verticality and the accuracy of the insertion depth are controlled, the height of the support adjusting frame is adjusted by rotating the two side screws according to the position of the water bubble of the level, and the stability of the adjusting frame is effectively ensured.

[0021] Optionally, a spring is vertically sleeved outside the push rod, and two ends of the spring are fixed on the top end of the push rod and the top surface of the through cylinder.

[0022] By adopting the technical scheme, the deformation force of the spring on the push rod is used to control the insertion of the inner cylinder into the measuring cylinder in the later stage, and the temperature measuring probe is manually controlled to slide out of the measuring cylinder to contact the concrete for temperature measurement after reaching the depth in the measuring cylinder.

[0023] In summary, the present application has at least one of the following beneficial technical effects: in use, the measuring cylinder is inserted into the concrete to a depth controlled according to the scale line on the measuring cylinder according to the temperature measurement requirement of the concrete depth, then the push rod is pushed to slide in the through cylinder and the measuring cylinder of the adjusting frame, the inner cylinder is pushed to slide in the measuring cylinder, the inner cylinder slides out of the measuring cylinder, the temperature measuring probe in the inner cylinder slides out of the measuring cylinder, the temperature measuring probe directly contacts the concrete at the temperature measurement depth, and thus the temperature of the concrete is measured, the temperature measuring probe directly contacts the concrete at the temperature measurement depth during the measurement, and the accuracy of the temperature measurement is effectively ensured. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a schematic structural view of the overall structure of the embodiment of the present application.

[0025] Figure 2 is a schematic structural view of the overall structure of the embodiment of the present application in a disassembled state.

[0026] Figure 3 is a schematic structural view of the support member of the embodiment of the present application in a disassembled state.

[0027] Figure 4 is a schematic structural view of the adjusting member of the embodiment of the present application in a disassembled state.

[0028] Figure 5 is a schematic structural view of the measuring cylinder of the embodiment of the present application in a disassembled state.

[0029] Explanation of reference signs: 1, support; 11, adjusting part; 111, adjusting frame; 112, through barrel; 113, screw hole; 114, screw rod; 115, support plate; 116, rotating seat; 117, level; 118, rubber pad; 12, push rod; 13, inner barrel; 14, temperature measuring probe; 15, mesh barrel; 16, push head; 17, spring; 2, measuring cylinder; 21, scale line. DETAILED DESCRIPTION

[0030] The application will be further described in detail below with reference to the accompanying drawings.

[0031] The application discloses a device for testing the heat conduction performance of recycled concrete. Figure 1 , Figure 2 , Figure 3 and Figure 4 A device for testing the heat conduction performance of recycled concrete comprises a support 1 and a measuring cylinder 2, the support 1 comprises an adjusting part 11, the adjusting part 11 comprises an adjusting frame 111, a through barrel 112 is fixed through the middle part of the adjusting frame 111 in the vertical direction, the bottom end of the through barrel 112 is provided with the measuring cylinder 2 in the vertical direction, the top end of the measuring cylinder 2 is fixed in the bottom end of the through barrel 112 in a penetrating manner, scale lines 21 are formed on the outer circumferential surface of the measuring cylinder 2 in the vertical direction, an inner barrel 13 is slidably inserted into the inner part of the measuring cylinder 2, the bottom end of the inner barrel 13 is provided in an open manner, a temperature measuring probe 14 is fixed in the inner part of the inner barrel 13 in the vertical direction, a push rod 12 is slidably connected into the inner part of the measuring cylinder 2 in the vertical direction through the through barrel 112, and the bottom end of the push rod 12 is fixed on the top surface of the inner barrel 13.

[0032] According to the above technical scheme, the temperature of the concrete at a certain depth can be measured by inserting the measuring cylinder 2 into the concrete to the depth according to the scale lines 21 on the measuring cylinder 2, then sliding the push rod 12 in the through barrel 112 of the adjusting frame 111 and the measuring cylinder 2, sliding the inner barrel 13 in the measuring cylinder 2, sliding the inner barrel 13 out of the measuring cylinder 2, sliding the temperature measuring probe 14 in the inner barrel 13 out of the measuring cylinder 2, and directly contacting the concrete at the temperature measuring depth, so as to measure the temperature of the concrete. The temperature measuring probe 14 directly contacts the concrete at the temperature measuring depth during the measurement, thereby effectively ensuring the accuracy of the temperature measurement.

[0033] Referring to Figure 3 , the bottom end of the inner barrel 13 is provided with a mesh barrel 15, and the top surface of the mesh barrel 15 is fixed on the bottom end surface of the inner barrel 13. The mesh barrel 15 is fixed in communication with the bottom end of the inner barrel 13, and the mesh barrel 15 slides out of the measuring cylinder 2. The mesh barrel 15 is used to contact the concrete, so as to facilitate the temperature measuring probe 14 to contact the concrete to measure the temperature. The bottom end of the mesh barrel 15 is provided with a push head 16, and the push head 16 is fixed on the bottom end surface of the mesh barrel 15. The push head 16 is arranged to press against the concrete, thereby facilitating the measuring cylinder 2 to penetrate into the concrete layer.

[0034] Referring toFigure 4 and Figure 5 Two ends of the adjusting frame 111 are vertically penetrated by screw holes 113, and threaded rods 114 are assembled in the screw holes 113 of the adjusting frame 111. In use, the threaded rods 114 in the screw holes 113 of the adjusting frame 111 are rotated, and the adjusting frame 111 is vertically pushed by the threaded rods 114 to keep vertical stability. A supporting plate 115 is horizontally arranged on the bottom end surface of the threaded rod 114, a rotating seat 116 is vertically fixed on the top surface of the middle part of the supporting plate 115, and the rotating seat 116 is rotationally connected with the bottom end of the threaded rod 114. The supporting plate 115 at the bottom end of the threaded rod 114 increases the contact area of the adjusting frame 111 with the concrete layer, effectively ensuring the stability of the adjusting frame 111. Rubber pads 118 are horizontally arranged on the bottom surface of the supporting plate 115. The rubber pads 118 are fixed on the bottom surface of the supporting plate 115, effectively increasing the depth of insertion into the concrete. Level meters 117 are horizontally fixed on both sides of the top surface of the adjusting frame 111. The level meters 117 are fixed on the adjusting frame 111 to control the depth of insertion into the concrete, control the verticality of insertion and the accuracy of insertion depth, and according to the position of the water bubble of the level meter 117, the height of the supporting adjusting frame 111 is adjusted by rotating the threaded rods 114 on both sides, effectively ensuring the stability of the adjusting frame 111. The outside of the push rod 12 is vertically sleeved with a spring 17, and the two ends of the spring 17 are fixed on the top end of the push rod 12 and the top surface of the through cylinder 112 respectively. The deformation force of the spring 17 on the push rod 12 is used to control the insertion of the inner cylinder 13 into the measuring cylinder 2 in the later stage, and the temperature measuring probe 14 in the measuring cylinder 2 is manually controlled to slide out to contact the concrete for temperature measurement after reaching the depth.

[0035] The implementation principle of the regenerated concrete thermal conductivity testing device is that the depth of insertion of the measuring cylinder 2 into the concrete is controlled according to the scale line 21 on the measuring cylinder 2, then the push rod 12 is pushed to slide in the through cylinder 112 of the adjusting frame 111 and the measuring cylinder 2, the inner cylinder 13 is pushed to slide in the measuring cylinder 2, the inner cylinder 13 slides out of the measuring cylinder 2, the temperature measuring probe 14 in the inner cylinder 13 slides out of the measuring cylinder 2, and the temperature measuring probe 14 directly contacts the concrete at the temperature measuring depth, so as to measure the temperature of the concrete.

[0036] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A device for testing the thermal conductivity of recycled concrete, characterized in that, Including support (1) and measuring cylinder (2), the support (1) includes adjusting part (11), the adjusting part (11) includes adjusting frame (111), the middle part of adjusting frame (111) is vertically fixed with through cylinder (112), and the bottom end of through cylinder (112) is vertically provided with the measuring cylinder (2), the top end of measuring cylinder (2) is fixed in the bottom end of through cylinder (112), and the outer circumferential surface of measuring cylinder (2) is provided with scale line (21) along vertical direction, the inside of measuring cylinder (2) is vertically slidably inserted with inner cylinder (13), and the bottom end of inner cylinder (13) is open, the inside of inner cylinder (13) is vertically fixed with temperature measuring probe (14), the through cylinder (112) is vertically inserted into the inside of measuring cylinder (2) and is slidably connected with push rod (12), and the bottom end of push rod (12) is fixed on the top surface of inner cylinder (13).

2. The device for testing the thermal conductivity of recycled concrete according to claim 1, characterized in that: The bottom end of the inner cylinder (13) is vertically provided with a mesh cylinder (15), and the top surface of the mesh cylinder (15) is fixed to the bottom surface of the inner cylinder (13).

3. The device for testing the thermal conductivity of recycled concrete according to claim 2, characterized in that: The bottom end of the mesh cylinder (15) is provided with a push head (16), and the push head (16) is fixed to the bottom surface of the mesh cylinder (15).

4. The device for testing the thermal conductivity of recycled concrete according to claim 3, characterized in that: The both ends of the adjusting frame (111) are vertically provided with screw holes (113), and the screw holes (113) of the adjusting frame (111) are threadedly assembled with screw rods (114).

5. The device for testing the thermal conductivity of recycled concrete according to claim 4, characterized in that: The bottom surface of the screw rod (114) is horizontally provided with a support plate (115), and the top surface of the support plate (115) is vertically fixed with a rotating seat (116), and the rotating seat (116) is rotatably connected with the bottom end of the screw rod (114).

6. The device for testing the thermal conductivity of recycled concrete according to claim 5, characterized in that: The bottom surface of the support plate (115) is horizontally provided with a rubber pad (118).

7. The device for testing the thermal conductivity of recycled concrete according to claim 6, characterized in that: The both sides of the top surface of the adjusting frame (111) are horizontally fixed with a level (117).

8. The device for testing the thermal conductivity of recycled concrete according to claim 7, characterized in that: The outside of the push rod (12) is vertically sleeved with a spring (17), and the both ends of the spring (17) are respectively fixed to the top end of the push rod (12) and the top surface of the through cylinder (112).

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