Constant-temperature and constant-humidity curing box for building material detection device
By using an adjustable placement frame structure and rotation adjustment mechanism, the problems of uneven heating and insufficient adaptability in the constant temperature and humidity curing chamber are solved, and uniform heating and stable testing of concrete test blocks are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-03-31
AI Technical Summary
Existing constant temperature and humidity curing chambers suffer from uneven heating, affecting the accuracy of test results. Furthermore, the fixed structure of the placement rack cannot accommodate concrete test blocks of different sizes.
An adjustable placement frame structure is adopted, including a detachable placement plate and a rotation adjustment mechanism. The placement frame is driven to rotate by a drive motor, and combined with a limiting mechanism and a position adjustment mechanism, the uniformity and stability of the heating of the concrete test block are ensured.
It improves the accuracy and stability of concrete test block performance testing, adapts to test blocks of different sizes, and ensures the reliability of test results.
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Figure CN224066587U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the field of building material detection, in particular to a constant-temperature and constant-humidity curing box for a building material detection device. BACKGROUND
[0002] The constant-temperature and constant-humidity curing box is a device specially used for simulating and controlling specific environmental conditions to evaluate the performance and durability of materials under different temperature and humidity environments. The constant-temperature and constant-humidity curing box is widely used in the industries of building materials, coatings, plastics and electronic components to ensure the quality and reliability of products under various environmental conditions. Concrete is one of the common building materials, and sampling detection needs to be performed on the concrete before construction. First, the concrete is made into test blocks, and then the test blocks are cured under constant-temperature and constant-humidity conditions, and then the test blocks are detected by using test instruments.
[0003] The existing constant-temperature and constant-humidity curing box comprises a box body and a concrete placing rack. A humidifying device and a humidity sensor are arranged in the box body to ensure that the inside of the box body presents a constant humidity state. A heating device and a temperature sensor are also arranged in the box body to ensure that the inside of the box body presents a constant temperature state. The existing constant-temperature and constant-humidity curing box arranges the heating device on the back plate opposite to the box door, so that the temperature on the side of the box body close to the heating device is higher than the temperature on the side of the box body close to the box door, thereby causing the concrete test blocks to be unevenly heated, and further affecting the accuracy of the detection results. In addition, the concrete placing rack is generally of a fixed structure and is not convenient to adaptively adjust according to the size of the concrete test blocks, thereby reducing the flexible adaptability of the constant-temperature and constant-humidity curing box. CONTENT OF THE INVENTION
[0004] In order to solve the above technical problems, the application provides a constant-temperature and constant-humidity curing box for a building material detection device.
[0005] The application provides a constant-temperature and constant-humidity curing box for a building material detection device, which adopts the following technical scheme:
[0006] The constant-temperature and constant-humidity curing box for a building material detection device comprises a box body, a curing cavity opened on the box body, a box door arranged on the box body, a placing rack arranged in the curing cavity, a rotating adjusting mechanism for driving the placing rack to rotate, a temperature sensor arranged in the curing cavity, a humidity sensor, a temperature adjusting mechanism and a humidity adjusting mechanism. The placing rack comprises a plurality of supporting rods and a plurality of placing plates. The placing plates are detachably connected with the supporting rods. A plurality of mounting sliding grooves are opened on the supporting rods in the vertical direction. The placing plates are slidably connected with the mounting sliding grooves. The supporting rods are connected with the rotating adjusting mechanism.
[0007] By adopting the above technical scheme, the installation sliding groove of the placing plate is inserted into different positions to adjust the spacing between adjacent placing plates, so that the constant temperature and humidity curing box can adapt to concrete test blocks of different sizes, thereby improving the flexible adaptability of the constant temperature and humidity curing box. By rotating the adjusting mechanism to drive the placing rack to rotate, different sides of the concrete test block on the placing rack are uniformly heated, thereby improving the accuracy of the performance detection result of the concrete test block.
[0008] Preferably, the rotating adjusting mechanism comprises a bottom plate, a driving motor and a foot pad arranged at the bottom of the box body, the driving motor is arranged at the bottom of the box body, the bottom plate is arranged in the curing cavity, the transmission shaft of the driving motor is connected with the bottom plate, and the bottom plate is connected with the supporting rod.
[0009] By adopting the above technical scheme, the driving motor drives the bottom plate to rotate, and the bottom plate drives the placing rack and the concrete test block to rotate, so that the concrete test block is uniformly heated, thereby improving the accuracy of the performance detection result of the concrete test block.
[0010] Preferably, a limiting mechanism is arranged on the supporting rod, the limiting mechanism comprises a mounting hole opened on the supporting rod, a limiting rod in sliding connection with the mounting hole and a limiting hole opened on the placing plate, and the mounting hole is in communication with the installation sliding groove.
[0011] By adopting the above technical scheme, the limiting rod is pushed to slide in the mounting hole, so that the limiting rod is inserted into the limiting hole, thereby limiting the placing plate by the limiting rod, and the installation stability of the placing plate is improved, and the stability of the concrete test block during the curing process is further improved.
[0012] Preferably, a limiting plate is arranged at one end of the limiting rod away from the installation sliding groove, a limiting spring is arranged outside the limiting rod, one end of the limiting spring is connected with the limiting plate, and the other end is connected with the supporting rod.
[0013] By adopting the above technical scheme, the limiting spring pushes the limiting plate to move towards the supporting rod, so that the limiting rod is kept in the state of being inserted into the limiting hole, thereby improving the connection stability of the limiting rod and the placing plate. When it is needed to move the placing plate, the limiting rod can be separated from the limiting hole by pulling the limiting plate, and then the placing plate can be pulled out of the installation sliding groove.
[0014] Preferably, a position adjusting mechanism for adjusting the position of the concrete test block is arranged on the placing plate, the position adjusting mechanism comprises a plurality of baffles and a driving assembly for driving the baffles to move, a plurality of limiting sliding grooves are opened on the placing plate, the baffles are in sliding connection with the limiting sliding grooves, and the plurality of baffles are arranged in a circumferential array on the placing plate.
[0015] By adopting the above technical scheme, the driving assembly drives the plurality of baffles to move to the center of the placement plate, thereby pushing the concrete test block to the center of the placement plate, thereby improving the stability of the concrete test block during rotation, and making the distances of different sides of the concrete test block to the temperature adjusting mechanism the same, further improving the heating uniformity of the concrete test block.
[0016] Preferably, the driving assembly comprises a mounting cavity opened in the middle of the placement plate, a lead screw arranged in the limiting sliding groove, a rotating rod arranged at the center of the bottom of the placement plate, an adjusting handle, a first bevel gear and a second bevel gear arranged in the mounting cavity, one end of the lead screw is rotationally connected with the placement plate, the other end of the lead screw extends into the mounting cavity and is fixedly connected with the first bevel gear, the rotating rod is rotationally connected with the placement plate, one end of the rotating rod extends into the mounting cavity and is fixedly connected with the second bevel gear, the other end of the rotating rod is connected with the adjusting handle, the first bevel gear and the second bevel gear are meshingly connected, and the baffles are threadedly connected with the lead screw.
[0017] By adopting the above technical scheme, rotating the adjusting handle can drive the rotating rod to rotate, the rotating rod drives the first bevel gear and the lead screw to rotate through the second bevel gear, the lead screw drives the baffles to slide in the limiting sliding groove, thereby pushing the concrete test block to the center of the placement plate, thereby improving the stability of the concrete test block during rotation, and making the distances of different sides of the concrete test block to the temperature adjusting mechanism the same, further improving the heating uniformity of the concrete test block.
[0018] Preferably, the temperature adjusting mechanism comprises an electric heating wire arranged in the curing cavity, and a cold air blower arranged on the box body, an air inlet pipe is connected to the air outlet end of the cold air blower, and the air inlet pipe is in communication with the curing cavity.
[0019] By adopting the above technical scheme, the electric heating wire is used to increase the temperature in the curing cavity, and the cold air blower is used to reduce the temperature in the curing cavity, so that the inside of the curing cavity maintains a constant temperature state.
[0020] Preferably, the humidity adjusting mechanism comprises a water tank, a water pump, a water delivery pipe, an atomizing nozzle, a drain pipe, and a drain valve arranged on the drain pipe, the water inlet end of the water pump is in communication with the water tank, the water outlet end of the water pump is in communication with the water delivery pipe, one end of the water delivery pipe away from the water pump is connected with the atomizing nozzle, the atomizing nozzle is arranged in the curing cavity, the drain pipe is in communication with the box body, and the drain pipe is arranged at the bottom of the box body.
[0021] By adopting the technical scheme, the water pump delivers water in the water tank to the water delivery pipe and the atomizing nozzle, and the atomizing nozzle sprays water into the curing cavity, thereby improving the humidity in the curing cavity. Opening the drain valve can drain the water in the curing cavity from the box body, thereby reducing the humidity in the curing cavity, and being conducive to keeping the curing cavity in a constant humidity state.
[0022] To sum up, the application has the following beneficial technical effects:
[0023] 1. The application can adjust the distance between adjacent placement plates by installing the placement plates in installation grooves at different heights, so that the placement rack can adapt to concrete test blocks of different sizes, and the concrete test blocks are evenly heated by rotating the bottom plate and the placement rack driven by the driving motor, thereby improving the accuracy of concrete test block performance detection.
[0024] 2. The application limits the placement plate through the limiting rod, and the limiting spring keeps the limiting rod in the state of being inserted into the limiting hole, thereby improving the installation stability of the placement plate, and further improving the stability of the concrete test block during the curing process.
[0025] 3. The application pushes the concrete test block to the center position of the placement plate through the position adjusting mechanism, thereby improving the stability of the concrete test block during rotation, and making the distance from the different sides of the concrete test block to the electric heating wire the same, further improving the uniformity of the heating of the concrete test block. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 is a structure schematic view of the constant-temperature and constant-humidity curing box for the building material detection device provided by the embodiment of the application;
[0027] Figure 2 is a cross-sectional structure schematic view of the constant-temperature and constant-humidity curing box for the building material detection device provided by the embodiment of the application;
[0028] Figure 3 is a partial structure schematic view of the placement rack, the limiting mechanism and the position adjusting mechanism provided by the embodiment of the application;
[0029] Figure 4 is a partial cross-sectional structure schematic view of the placement rack and the limiting mechanism provided by the embodiment of the application;
[0030] Figure 5 is a cross-sectional structure schematic view of the placement plate and the position adjusting mechanism provided by the embodiment of the application.
[0031] Explanation of reference signs: 1, box body; 11, curing cavity; 12, box door; 13, temperature sensor; 14, humidity sensor; 2, placing rack; 21, supporting rod; 22, placing plate; 23, mounting sliding groove; 3, rotating adjusting mechanism; 31, bottom plate; 32, driving motor; 33, foot pad; 4, temperature adjusting mechanism; 41, electric heating wire; 42, air cooler; 43, air inlet pipe; 5, humidity adjusting mechanism; 51, water tank; 52, water pump; 53, water delivery pipe; 54, atomizing nozzle; 55, drain pipe; 56, drain valve; 6, limiting mechanism; 61, mounting hole; 62, limiting rod; 63, limiting hole; 64, limiting plate; 65, limiting spring; 7, position adjusting mechanism; 71, baffle; 72, driving assembly; 721, mounting cavity; 722, lead screw; 723, rotating rod; 724, adjusting handle; 725, first bevel gear; 726, second bevel gear; 73, limiting sliding groove. DETAILED DESCRIPTION
[0032] The following will be described in detail with reference to the accompanying drawings. Figures 1-5 The application is further described in detail.
[0033] The embodiment of the application discloses a constant-temperature and constant-humidity curing box for a building material detection device.
[0034] With reference to Figure 1 , Figure 2 and Figure 3 , a constant-temperature and constant-humidity curing box for a building material detection device comprises a box body 1, a curing cavity 11 arranged on the box body 1, a box door 12 arranged on the box body 1, a placing rack 2 arranged in the curing cavity 11, a rotating adjusting mechanism 3 for driving the placing rack 2 to rotate, a temperature sensor 13, a humidity sensor 14, a temperature adjusting mechanism 4 and a humidity adjusting mechanism 5 arranged in the curing cavity 11. The placing rack 2 comprises a plurality of supporting rods 21 and a plurality of placing plates 22, the placing plates 22 are detachably connected with the supporting rods 21, a plurality of mounting sliding grooves 23 are arranged on the supporting rods 21 in the vertical direction, the placing plates 22 are slidably connected with the mounting sliding grooves 23, and the supporting rods 21 are connected with the rotating adjusting mechanism 3.
[0035] The rotating adjusting mechanism 3 comprises a bottom plate 31, a driving motor 32 and a foot pad 33 fixedly arranged at the bottom of the box body 1, the driving motor 32 is fixedly arranged at the bottom of the box body 1, the bottom plate 31 is arranged in the curing cavity 11, a transmission shaft of the driving motor 32 is fixedly connected with the bottom plate 31, and the bottom plate 31 is fixedly connected with the supporting rods 21.
[0036] With reference to Figure 3 and Figure 4The support rod 21 is provided with a limiting mechanism 6, the limiting mechanism 6 comprises a mounting hole 61 opened on the support rod 21, a limiting rod 62 in sliding connection with the mounting hole 61 and a limiting hole 63 opened on the placing plate 22, the mounting hole 61 is in communication with the mounting sliding groove 23, the limiting rod 62 is limitingly fixed to the placing plate 22 by being inserted into the limiting hole 63.
[0037] The limiting rod 62 is fixedly provided with a limiting plate 64 at one end away from the mounting sliding groove 23, a limiting spring 65 is arranged outside the limiting rod 62, one end of the limiting spring 65 is fixedly connected with the limiting plate 64, and the other end is fixedly connected with the support rod 21. The limiting spring 65 pushes the limiting rod 62 to be inserted into the limiting hole 63, thereby improving the connection stability of the limiting rod 62 and the placing plate 22, and further improving the installation stability of the placing plate 22.
[0038] Referring to Figure 3 and Figure 5 , the placing plate 22 is provided with a position adjusting mechanism 7 for adjusting the position of the concrete test block, the position adjusting mechanism 7 comprises four baffle plates 71 and a driving assembly 72 for driving the baffle plates 71 to move, four limiting sliding grooves 73 are opened on the placing plate 22, the baffle plates 71 are in sliding connection with the limiting sliding grooves 73, and the four baffle plates 71 are arranged in a circumferential array on the placing plate 22.
[0039] The driving assembly 72 comprises a mounting cavity 721 opened in the middle of the placing plate 22, a lead screw 722 arranged in the limiting sliding groove 73, a rotating rod 723 arranged at the center of the bottom of the placing plate 22, an adjusting handle 724, a first bevel gear 725 and a second bevel gear 726 arranged in the mounting cavity 721. One end of the lead screw 722 is rotatably connected with the placing plate 22 through a bearing, the other end extends into the mounting cavity 721 and is fixedly connected with the first bevel gear 725. The rotating rod 723 is rotatably connected with the placing plate 22 through a bearing, one end of the rotating rod 723 extends into the mounting cavity 721 and is fixedly connected with the second bevel gear 726, the other end of the rotating rod 723 is fixedly connected with the adjusting handle 724, the first bevel gear 725 and the second bevel gear 726 are in meshing connection, and the baffle plates 71 are in threaded connection with the lead screw 722.
[0040] Referring to Figure 1 and Figure 2 , the temperature adjusting mechanism 4 comprises an electric heating wire 41 fixedly arranged in the curing cavity 11, and a cold air fan 42 fixedly arranged on the box body 1, an air inlet pipe 43 is connected to the air outlet end of the cold air fan 42, and the air inlet pipe 43 is in fixed communication with the curing cavity 11.
[0041] The humidity control mechanism 5 includes a water tank 51, a water pump 52, a water supply pipe 53, an atomizing nozzle 54, a drain pipe 55, and a drain valve 56 fixedly installed on the drain pipe 55. The water inlet of the water pump 52 is fixedly connected to the water tank 51, the water outlet of the water pump 52 is fixedly connected to the water supply pipe 53, and the end of the water supply pipe 53 away from the water pump 52 is fixedly connected to the atomizing nozzle 54. The atomizing nozzle 54 is installed in the curing chamber 11, and the drain pipe 55 is connected to the box body 1 and is fixedly installed at the bottom of the box body 1.
[0042] The implementation principle of a constant temperature and humidity curing chamber for a building material testing device according to an embodiment of this application is as follows: By pulling the limiting rod 62, the limiting rod 62 is separated from the limiting hole 63. Then, the placement plate 22 is taken out from the installation groove 23. The spacing between the placement plates 22 is adjusted according to the size of the concrete test block. By inserting the placement plate 22 into the installation groove 23 and releasing the limiting rod 62, the limiting spring 65 drives the limiting rod 62 to insert into the limiting hole 63, thereby realizing the rapid installation of the placement plate 22. The drive motor 32 drives the base plate 31 and the placement frame 2 to rotate, so that the concrete test block on the placement frame 2 is heated evenly, thereby improving the accuracy of the test results. Rotating the adjustment handle 724 can drive the rotating rod 723 to rotate. The rotating rod 723 drives the first bevel gear 725 and the lead screw 722 to rotate through the second bevel gear 726, thereby adjusting the position of the baffle 71. The baffle 71 pushes the concrete test block to the center of the placement plate 22, thereby improving the stability of the concrete test block during rotation and making the distance between different sides of the concrete test block and the electric heating wire 41 the same, further improving the heating uniformity of the concrete test block.
[0043] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A constant temperature and humidity curing cabinet for a building material testing device, characterized by: The utility model relates to a concrete curing box, including box (1), open in the box (1) on maintenance cavity (11), set up in the box (1) on cabinet door (12), set up in the maintenance cavity (11) in placing rack (2), be used for driving the rotating adjusting mechanism (3) of placing rack (2), set up in the temperature sensor (13) of maintenance cavity (11), humidity sensor (14), temperature adjusting mechanism (4) and humidity adjusting mechanism (5) in, placing rack (2) including a plurality of support pole (21) and a plurality of placing board (22), placing board (22) with support pole (21) can detachable connection, a plurality of installation sliding slot (23) are seted up on support pole (21) along the vertical direction, placing board (22) with installation sliding slot (23) sliding connection, support pole (21) with rotating adjusting mechanism (3) are connected.
2. The constant temperature and humidity curing box for building material detection device according to claim 1, characterized in that: Rotating adjusting mechanism (3) including bottom plate (31), drive motor (32) and set up in the box (1) bottom's pad foot (33), drive motor (32) sets up in the box (1) bottom, bottom plate (31) sets up in the maintenance cavity (11), the transmission shaft of drive motor (32) is connected with bottom plate (31), bottom plate (31) with support pole (21) are connected.
3. The constant temperature and humidity curing box for building material detection device according to claim 1, characterized in that: Limiting mechanism (6) is set up on support pole (21), limiting mechanism (6) including installation hole (61) that sets up on support pole (21), with the sliding connection of installation hole (61) limiting rod (62) and set up in the limiting hole (63) of placing board (22), installation hole (61) with installation sliding slot (23) communication.
4. The constant temperature and humidity curing box for building material detection device according to claim 3, characterized in that: The end of limiting rod (62) away from installation sliding slot (23) is provided with a limiting plate (64), a limiting spring (65) is arranged outside the limiting rod (62), one end of the limiting spring (65) is connected with the limiting plate (64), and the other end is connected with the support rod (21).
5. The constant temperature and humidity curing box for building material detection device according to claim 1, characterized in that: The placing board (22) is provided with a position adjusting mechanism (7) for adjusting the position of the concrete test block, the position adjusting mechanism (7) comprises a plurality of baffles (71) and a driving assembly (72) for driving the baffles (71) to move, a plurality of limiting sliding grooves (73) are formed in the placing board (22), the baffles (71) are slidably connected with the limiting sliding grooves (73), and a plurality of the baffles (71) are arranged in a circumferential array on the placing board (22).
6. The constant temperature and humidity curing box for building material detection device according to claim 5, characterized in that: The driving assembly (72) comprises a mounting cavity (721) formed in the middle of the placing plate (22), a lead screw (722) arranged in the limiting sliding groove (73), a rotating rod (723) arranged at the bottom center of the placing plate (22), an adjusting handle (724), a first bevel gear (725) and a second bevel gear (726) arranged in the mounting cavity (721), one end of the lead screw (722) is rotatably connected with the placing plate (22), the other end extends into the mounting cavity (721) and is fixedly connected with the first bevel gear (725), the rotating rod (723) is rotatably connected with the placing plate (22), one end of the rotating rod (723) extends into the mounting cavity (721) and is fixedly connected with the second bevel gear (726), the other end of the rotating rod (723) is connected with the adjusting handle (724), the first bevel gear (725) and the second bevel gear (726) are meshedly connected, and the baffle (71) is threadedly connected with the lead screw (722).
7. The constant temperature and humidity curing box for building material detection device according to claim 1, characterized in that: The temperature adjusting mechanism (4) comprises electric heating wires (41) arranged in the curing cavity (11) and a cold air fan (42) arranged on the box body (1), an air inlet pipe (43) is connected to the air outlet end of the cold air fan (42), and the air inlet pipe (43) communicates with the curing cavity (11).
8. The constant temperature and humidity curing box for building material detection device according to claim 1, characterized in that: The humidity adjusting mechanism (5) comprises a water tank (51), a water pump (52), a water delivery pipe (53), an atomizing nozzle (54), a drain pipe (55) and a drain valve (56) arranged on the drain pipe (55), the water inlet end of the water pump (52) communicates with the water tank (51), the water outlet end of the water pump (52) communicates with the water delivery pipe (53), one end of the water delivery pipe (53) away from the water pump (52) is connected with the atomizing nozzle (54), the atomizing nozzle (54) is arranged in the curing cavity (11), the drain pipe (55) communicates with the box body (1), and the drain pipe (55) is arranged at the bottom of the box body (1).