Recycled concrete strength detection device

Abstract

The invention relates to the technical field of concrete production, in particular to a recycled concrete strength detection device which is characterized in that a supporting frame is fixed to the left side of the upper surface of a base and is of an L-shaped structure, and a hydraulic rod is fixed to the bottom of a transverse side supporting plate of the supporting frame and connected with an external power source; a pressing disc is fixed to the movable end of the hydraulic rod. The supporting mechanism is arranged on the base; the protection mechanism is connected with the right side wall of the vertical side supporting plate of the supporting frame. The protection mechanism is arranged on the supporting mechanism; the illumination mechanism is arranged on the protection mechanism and connected with the first supporting plate. The air control mechanism is connected with the protection mechanism. The weather environment can be conveniently simulated, so that the detection effect is better; and after detection is completed, the recycled concrete blocks are directly poured and discharged, so that the cleaning burden is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of concrete production, and in particular to a recycled concrete strength detection device. Background Art

[0002] After the recycled concrete is produced, it is necessary to test the strength of the recycled concrete blocks, which is usually done by pressing with a hydraulic rod. This testing method can only test the strength of the recycled concrete just produced, but cannot test the strength of the recycled concrete after being exposed to wind and sun. Moreover, the recycled concrete strength after the test needs to be moved away and cleaned. Therefore, a recycled concrete strength testing device is proposed. Summary of the invention

[0003] The purpose of the present invention is to provide a recycled concrete strength detection device to address the defects and shortcomings of the prior art, which is convenient for simulating the environment of wind and sun, so that the detection effect is better; after the detection is completed, the recycled concrete blocks are directly dumped and discharged to reduce the burden of cleaning.

[0004] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: it comprises a base, a support frame, a hydraulic rod and a pressure plate; a support frame is fixed on the left side of the upper surface of the base, the support frame is in an "L"-shaped structure, a hydraulic rod is fixed on the bottom of the horizontal side support plate of the support frame, and the hydraulic rod is connected to an external power supply; a pressure plate is fixed on the movable end of the hydraulic rod; It also contains: A supporting mechanism, wherein the supporting mechanism is arranged on the base; A protection mechanism, the protection mechanism being connected to the right side wall of the vertical side support plate of the support frame; the protection mechanism being arranged on the support mechanism; An illumination mechanism, wherein the illumination mechanism is disposed on the protection mechanism and connected to the first support plate; The wind control mechanism is a plurality of wind control mechanisms, and each of the wind control mechanisms is connected to the protection mechanism; Through the above technical solution design, the recycled concrete block to be tested is supported by the supporting mechanism, the protective mechanism covers the recycled concrete block, the lighting mechanism adjusts the light intensity, and the wind control mechanism adjusts the flow rate, temperature and humidity of the airflow, so that after the recycled concrete block passes through different environments, the hydraulic rod is started to make the pressure plate descend to perform a pressure strength test on the recycled concrete block.

[0005] Preferably, a plurality of buffer pads are respectively fixed to the bottom of the base; Through the above technical solution design, the buffer pad reduces the pressure of the hydraulic rod on the ground.

[0006] Preferably, the supporting mechanism comprises: A No. 1 support plate, the No. 1 support plate is arranged on the base; a No. 1 support rod is fixed to the front and rear of the left side of the upper surface of the base, and the upper right side of the No. 1 support rod is in an arc-shaped structure; a No. 1 connecting plate is fixed to the front and rear of the bottom of the No. 1 support plate, a No. 2 support plate is arranged on the inner side of the No. 1 connecting plate, and a rotating shaft is arranged between the No. 1 connecting plate and the No. 2 support plate through a bearing rotation connection; The electric push rods are two in number and are fixed on the base respectively; the electric push rods are connected to an external power supply; a ball seat is fixed on the movable end of the electric push rod, a round ball is embedded in the ball seat, and the round ball is movably supported on the first support plate; Through the above technical solution design, after the detection is completed, the electric push rod on the left is started to rise, and the electric push rod on the right is started to fall, so that the No. 1 support plate tilts to the lower right with the rotating shaft as the center, which is convenient for tilting and discharging the recycled concrete blocks after the test.

[0007] Preferably, a sealing plate is fixed on the upper surface of the No. 1 support plate, and the sealing plate is arranged in a "C"-shaped structure, and the sealing plate is arranged to open to the right; Through the above technical solution design, the sealing plate prevents the debris of the recycled concrete block from falling.

[0008] Preferably, the protection mechanism comprises: A protective cover, wherein a through hole is provided at the upper end of the protective cover, and the through hole is set to be consistent in size with the pressure plate; the protective cover is arranged on the first support plate; A second connecting plate, the second connecting plate being fixed to the left side of the ring wall of the protective cover; the second connecting plate being abutted against the supporting frame; A No. 1 screw rod, wherein the No. 1 screw rod is inserted into the No. 2 connecting plate through a threaded connection, the lower end of the No. 1 screw rod is screwed to the supporting frame through a bearing seat, and the upper end of the No. 1 screw rod is screwed to the upper end of the supporting frame through a bearing; A lifting motor, wherein the lifting motor is fixed on the support frame and connected to an external power source; an output shaft of the lifting motor is connected to a No. 1 screw; Through the above technical solution design, after the detection is completed, the lifting motor is started to rotate the No. 1 screw, drive the No. 2 connecting plate to rise, and make the protective cover rise.

[0009] Preferably, the illumination mechanism comprises: A lamp tube, wherein the lamp tube is movably inserted into the through hole of the protective cover; the lamp tube is connected to an external power source; and a mounting plate is fixed to the upper end of the lamp tube; A No. 1 connecting rod, wherein the number of the No. 1 connecting rods is several and each of them is fixed on the mounting plate; a No. 2 connecting rod is fixed on the upper end of the No. 1 connecting rod, and two No. 3 connecting rods are fixed on the left side wall of the No. 2 connecting rod; A No. 3 connecting plate, the No. 3 connecting plate being fixed to the left ends of the two No. 3 connecting rods; The mobile frame is arranged below the third connecting plate, two slide grooves are arranged on the support frame, the movable card of the mobile frame is arranged in the slide groove, and the first screw rod is arranged in the mobile frame; A rotating motor, wherein the rotating motor is fixed to the right end of the upper side wall of the mobile frame, the rotating motor is connected to an external power source, and the output shaft of the rotating motor is connected to the third connecting plate; A No. 2 screw rod, the No. 2 screw rod is screwed through the left end of the movable frame by means of a thread, and the lower end of the No. 2 screw rod is screwed to the side wall of the supporting frame by means of a bearing seat; A driving motor, wherein the driving motor is fixed to the left side wall of the supporting frame through a bracket, the output shaft of the driving motor is connected to the No. 2 screw, and the driving motor is connected to an external power supply; Through the above technical solution design, before the inspection, the lamp tube is turned on, the light intensity is adjusted, and the lighting is carried out; after the inspection is completed, the drive motor is started to rotate the No. 2 screw rod, driving the movable frame to rise so that the lamp tube is separated from the through hole, and the rotating motor is started to rotate the lamp tube to separate from the protective cover.

[0010] Preferably, the wind control mechanism comprises: A water tank, the water tank is fixed on the ring wall of the protective cover; a water pump is provided on the water tank, the water pump is connected to an external power supply; the water inlet end of the water pump is connected to the water tank through a pipeline; The air duct is an arc-shaped structure, and the outer end of the air duct is arranged upward; A water pipe, the water pipe is connected to the water outlet of the water pump, and the water pipe is inserted in the air duct; an atomizing nozzle is arranged in the air duct, and the atomizing nozzle is connected to the water pipe; A fan, wherein the fan is fixed on the branch pipe and connected to an external power supply; Through the above technical solution design, the fan and the water pump are started, the water in the water pump is pumped out and sprayed through the atomizing nozzle, and the fan is used to blow air into the protective cover, so that the recycled concrete blocks are exposed to wind and rain.

[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. Equipped with supporting and protecting mechanisms, after the inspection is completed, the recycled concrete blocks can be directly dumped and discharged to reduce the burden of cleaning; 2. It is equipped with lighting mechanism and wind control mechanism to simulate the environment of wind and sun, so as to achieve better detection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the present invention.

[0013] Figure 2 yes Figure 1 Southwest isometric view.

[0014] Figure 3 yes Figure 2 Enlarged view of part A in .

[0015] Figure 4 yes Figure 1 Southeast isometric view.

[0016] Figure 5 yes Figure 4 Enlarged view of part B in .

[0017] Figure 6 It is a structural schematic diagram of pouring out the recycled concrete blocks in the present invention.

[0018] Figure 7 yes Figure 6 Southeast isometric view.

[0019] Figure 8 It is a cross-sectional view of the air duct of the wind control mechanism in the present invention.

[0020] Description of reference numerals: Base 1, support frame 2, hydraulic rod 3, pressure plate 4, support mechanism 5, No. 1 support plate 5-1, sealing plate 5-2, No. 1 support rod 5-3, No. 1 connecting plate 5-4, No. 2 support plate 5-5, rotating shaft 5-6, electric push rod 5-7, ball seat 5-8, sphere 5-9, protection mechanism 6, protection cover 6-1, through hole 6-2, No. 2 connecting plate 6-3, No. 1 screw rod 6-4, lifting motor 6-5, lighting mechanism 7, lamp tube 7-1, mounting plate 7-2, No. 1 connecting rod 7-3, No. 2 connecting rod 7-4, No. 3 connecting rod 7-5, No. 3 connecting plate 7-6, moving frame 7-7, rotating motor 7-8, No. 2 screw rod 7-9, driving motor 7-10, wind control mechanism 8, water tank 8-1, water pump 8-2, air duct 8-3, water guide pipe 8-4, atomizing nozzle 8-5, fan 8-6, buffer pad 9. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0022] This specific implementation adopts the following technical solutions: Example

[0023] See also Figure 1, this embodiment 1 comprises a base 1, a support frame 2, a hydraulic rod 3 and a pressure plate 4; the support frame 2 is fixed to the left side of the upper surface of the base 1 by bolts, and the support frame 2 is in an "L" shape. The bottom of the horizontal side support plate of the support frame 2 is fixed with a hydraulic rod 3 by bolts, and the hydraulic rod 3 is connected to an external power supply. The specific use model of the hydraulic rod 3 is directly purchased and installed from the market according to actual use requirements; the movable end of the hydraulic rod 3 is fixed with a pressure plate 4 by bolts; It also contains: A supporting mechanism 5, wherein the supporting mechanism 5 is arranged on the base 1; The protection mechanism 6 is connected to the right side wall of the vertical side support plate of the support frame 2; the protection mechanism 6 is arranged on the support mechanism 5; An illumination mechanism 7, wherein the illumination mechanism 7 is disposed on the protection mechanism 6 and connected to the first support plate 5-1; Wind control mechanisms 8, the number of which is several and which are respectively connected to the protection mechanisms 6; Buffer pads 9, the number of which is several and which are respectively fixed to the bottom of the base 1 by glue; In Example 1, the recycled concrete block to be tested is supported by the supporting mechanism 5, the protective mechanism 6 covers the recycled concrete block, the lighting mechanism 7 adjusts the lighting intensity, and the wind control mechanism 8 adjusts the flow rate, temperature and humidity of the airflow, so that after the recycled concrete block passes through different environments, the hydraulic rod 3 is started to make the pressure plate 4 descend to perform a pressure strength test on the recycled concrete block. Example

[0024] See also Figure 1 , Figure 2 , Figure 6 and Figure 7 , based on Example 1, the supporting mechanism 5 comprises: A No. 1 support plate 5-1, wherein the No. 1 support plate 5-1 is arranged on the base 1; a sealing plate 5-2 is fixed to the upper surface of the No. 1 support plate 5-1 by bolts, and the sealing plate 5-2 is a "C"-shaped structure, and the sealing plate 5-2 is opened to the right; a No. 1 support rod 5-3 is fixed to the left front and back of the upper surface of the base 1 by bolts, and the upper right end of the No. 1 support rod 5-3 is an arc-shaped structure; a No. 1 connecting plate 5-4 is fixed to the bottom of the No. 1 support plate 5-1 by bolts, and a No. 2 support plate 5-5 is arranged on the inner side of the No. 1 connecting plate 5-4, and a rotating shaft 5-6 is provided between the No. 1 connecting plate 5-4 and the No. 2 support plate 5-5 through a bearing rotation connection; Electric push rod 5-7, the number of the electric push rod 5-7 is two, and they are respectively fixed on the base 1 by bolts; the electric push rod 5-7 is connected to an external power supply, and the specific use model of the electric push rod 5-7 is directly purchased and installed from the market according to actual use requirements; the movable end of the electric push rod 5-7 is fixed with a ball seat 5-8 by bolts, and the ball seat 5-8 is embedded with a round ball 5-9, and the round ball 5-9 is movably supported on the No. 1 support plate 5-1; With this embodiment, after the test is completed, the electric push rod 5-7 on the left is started to rise, and the electric push rod 5-7 on the right is started to fall, so that the No. 1 support plate 5-1 tilts downward to the right with the rotating shaft 5-6 as the center, so as to facilitate the tilting and discharge of the tested recycled concrete blocks. Example

[0025] See also Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7 On the basis of Example 2, the protection mechanism 6 comprises: A protective cover 6-1, wherein a through hole 6-2 is formed at the upper end of the protective cover 6-1, and the through hole 6-2 is set to be consistent in size with the pressure plate 4; the protective cover 6-1 is arranged on the first support plate 5-1; The second connecting plate 6-3 is fixed to the left side of the ring wall of the protective cover 6-1 by bolts; the second connecting plate 6-3 is disposed against the support frame 2; The first screw rod 6-4 is inserted into the second connecting plate 6-3 through a threaded connection, the lower end of the first screw rod 6-4 is screwed to the support frame 2 through a bearing seat, and the upper end of the first screw rod 6-4 is screwed to the upper end of the support frame 2 through a bearing; The lifting motor 6-5 is fixed to the support frame 2 by bolts, and the lifting motor 6-5 is connected to an external power supply. The specific model of the lifting motor 6-5 is purchased and installed directly from the market according to actual use requirements; the output shaft of the lifting motor 6-5 is connected to the No. 1 screw 6-4; With this embodiment, after the detection is completed, the lifting motor 6-5 is started, so that the No. 1 screw rod 6-4 rotates, driving the No. 2 connecting plate 6-3 to rise, so that the protective cover 6-1 rises. Example

[0026] See also Figure 1-7 On the basis of embodiment 3, the illumination mechanism 7 comprises: The lamp tube 7-1 is movably inserted into the through hole 6-2 of the protective cover 6-1; the lamp tube 7-1 is connected to an external power source, and the specific use model of the lamp tube 7-1 is directly purchased from the market and installed and used according to actual use requirements; the upper end of the lamp tube 7-1 is fixed with a mounting plate 7-2; A No. 1 connecting rod 7-3, wherein the number of the No. 1 connecting rods 7-3 is several and each of them is fixed to the mounting plate 7-2 by bolts; a No. 2 connecting rod 7-4 is fixed to the upper end of the No. 1 connecting rod 7-3 by bolts, and two No. 3 connecting rods 7-5 are fixed to the left side wall of the No. 2 connecting rod 7-4 by bolts; A third connecting plate 7-6, wherein the third connecting plate 7-6 is fixed to the left ends of the two third connecting rods 7-5; The movable frame 7-7 is arranged below the third connecting plate 7-6, and two slide grooves are provided on the support frame 2, the movable card of the movable frame 7-7 is arranged in the slide groove, and the first screw rod 6-4 is arranged in the movable frame 7-7; Rotating motor 7-8, the rotating motor 7-8 is fixed to the right end of the upper side wall of the mobile frame 7-7 by bolts, the rotating motor 7-8 is connected to the external power supply, the output shaft of the rotating motor 7-8 is connected to the third connecting plate 7-6, and the specific use model of the rotating motor 7-8 is directly purchased and installed from the market according to actual use requirements; The second screw rod 7-9 is screwed through the left end of the movable frame 7-7 by a thread, and the lower end of the second screw rod 7-9 is screwed to the side wall of the support frame 2 through a bearing seat; Drive motor 7-10, the drive motor 7-10 is fixed to the left side wall of the support frame 2 through a bracket, the output shaft of the drive motor 7-10 is connected to the second screw 7-9, the drive motor 7-10 is connected to an external power supply, and the specific use model of the drive motor 7-10 is directly purchased, installed and used from the market according to actual use requirements; According to the present embodiment, before testing, the lamp tube 7-1 is turned on, the light intensity is adjusted, and lighting is performed; after the test is completed, the driving motor 7-10 is started to rotate the No. 2 screw rod 7-9, thereby driving the movable frame 7-7 to rise so that the lamp tube 7-1 is disengaged from the through hole 6-2, and the rotating motor 7-8 is started to rotate the lamp tube 7-1 to disengage from the protective cover 6-1. Example

[0027] See also Figure 8 On the basis of Example 3, the wind control mechanism 8 includes: A water tank 8-1, wherein the water tank 8-1 is fixed on the annular wall of the protective cover 6-1; a water pump 8-2 is provided on the water tank 8-1, and the water pump 8-2 is connected to an external power supply. The specific model of the water pump 8-2 is purchased and installed directly from the market according to actual use requirements; the water inlet end of the water pump 8-2 is connected to the water tank 8-1 through a pipeline; The air duct 8-3 is an arc-shaped structure, and the outer end of the air duct 8-3 is arranged upward; A water pipe 8-4, the water pipe 8-4 is connected to the water outlet of the water pump 8-2, and the water pipe 8-4 is inserted in the air pipe 8-3; the air pipe 8-3 is provided with an atomizing nozzle 8-5, and the atomizing nozzle 8-5 is connected to the water pipe 8-4; Fan 8-6, the fan 8-6 is fixed on the branch pipe, the fan 8-6 is connected to an external power supply, and the specific model of the fan 8-6 is purchased directly from the market and installed and used according to actual use requirements; In this embodiment, the fan 8-6 and the water pump 8-2 are started, the water in the water pump 8-2 is pumped out and sprayed through the atomizing nozzle 8-5, and the fan 8-6 blows air into the protective cover 6-1, so that the recycled concrete blocks are exposed to wind and rain.

[0028] When using the present invention, the lifting motor 6-5 is started to rotate the No. 1 screw rod 6-4, driving the No. 2 connecting plate 6-3 to rise, so that the protective cover 6-1 rises, and the recycled concrete block is placed on the No. 1 supporting plate 5-1. The lifting motor 6-5 is started to make the protective cover 6-1 descend to the No. 1 supporting plate 5-1, and the protective cover 6-1 is placed on the recycled concrete block; Before the test, turn on the lamp 7-1, adjust the light intensity, and perform illumination; start the fan 8-6 and the water pump 8-2, pump the water in the water pump 8-2 out through the atomizing nozzle 8-5, and blow air into the protective cover 6-1 through the fan 8-6, so that the recycled concrete blocks are exposed to wind and rain; During the inspection, the driving motor 7-10 is started, so that the second screw rod 7-9 rotates, driving the moving frame 7-7 to rise so that the lamp tube 7-1 is separated from the through hole 6-2, and the rotating motor 7-8 is started so that the lamp tube 7-1 rotates and separates from the protective cover 6-1; the hydraulic rod 3 is started so that the hydraulic rod 3 drives the pressure plate 4 to pass through the through hole 6-2 and descend to press on the recycled concrete block for inspection; After the test is completed, start the lifting motor 6-5, so that the No. 1 screw 6-4 rotates, driving the No. 2 connecting plate 6-3 to rise, so that the protective cover 6-1 rises; start the electric push rod 5-7 on the left to rise, and start the electric push rod 5-7 on the right to fall, so that the No. 1 support plate 5-1 tilts to the lower right with the rotating shaft 5-6 as the center, so as to facilitate the tilting and discharge of the tested recycled concrete blocks.

[0029] Compared with the prior art, the present invention has the following beneficial effects: 1. A supporting mechanism 5 and a protective mechanism 6 are provided. After the detection is completed, the recycled concrete blocks are directly dumped and discharged to reduce the burden of cleaning; 2. An illumination mechanism 7 and a wind control mechanism 8 are provided to simulate the environment of wind and sun, so as to achieve a better detection effect.

[0030] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A recycled concrete strength testing device, comprising a base (1), a support frame (2), a hydraulic rod (3) and a pressure plate (4); the support frame (2) is fixed to the left side of the upper surface of the base (1), the support frame (2) is in an "L"-shaped structure, the hydraulic rod (3) is fixed to the bottom of the lateral support plate of the support frame (2), and the hydraulic rod (3) is connected to an external power supply; the pressure plate (4) is fixed to the movable end of the hydraulic rod (3); It is characterized in that It also contains: A supporting mechanism (5), wherein the supporting mechanism (5) is arranged on the base (1); A protection mechanism (6), wherein the protection mechanism (6) is connected to the right side wall of the vertical side support plate of the support frame (2); the protection mechanism (6) is arranged on the support mechanism (5); An illumination mechanism (7), wherein the illumination mechanism (7) is disposed on the protection mechanism (6), and the illumination mechanism (7) is connected to the first support plate (5-1); Wind control mechanisms (8), wherein there are several wind control mechanisms (8) and they are respectively connected to the protection mechanisms (6).

2. A recycled concrete strength detection device according to claim 1, characterized in that: A plurality of buffer pads (9) are respectively fixed on the bottom of the base (1).

3. A recycled concrete strength detection device according to claim 1, characterized in that: The supporting mechanism (5) comprises: A No. 1 support plate (5-1), the No. 1 support plate (5-1) being arranged on the base (1); a No. 1 support rod (5-3) is fixed at the front and rear of the left side of the upper surface of the base (1), and the upper right side of the No. 1 support rod (5-3) is in an arc-shaped structure; a No. 1 connecting plate (5-4) is fixed at the front and rear of the bottom of the No. 1 support plate (5-1), a No. 2 support plate (5-5) is arranged on the inner side of the No. 1 connecting plate (5-4), and a rotating shaft (5-6) is provided between the No. 1 connecting plate (5-4) and the No. 2 support plate (5-5) through a bearing rotation connection; An electric push rod (5-7), wherein the number of the electric push rods (5-7) is two and they are respectively fixed on a base (1); the electric push rod (5-7) is connected to an external power source; a ball seat (5-8) is fixed to the movable end of the electric push rod (5-7), a round ball (5-9) is embedded in the ball seat (5-8), and the round ball (5-9) is movably mounted on a first support plate (5-1).

4. A recycled concrete strength detection device according to claim 3, characterized in that: A sealing plate (5-2) is fixed on the upper surface of the No. 1 support plate (5-1); the sealing plate (5-2) is arranged in a "C"-shaped structure, and the sealing plate (5-2) is arranged to open to the right.

5. A recycled concrete strength detection device according to claim 3, characterized in that: The protection mechanism (6) comprises: A protective cover (6-1), wherein a through hole (6-2) is provided at the upper end of the protective cover (6-1), and the through hole (6-2) is arranged to be the same size as the pressure plate (4); the protective cover (6-1) is arranged on a first support plate (5-1); A second connecting plate (6-3), the second connecting plate (6-3) being fixed to the left side of the ring wall of the protective cover (6-1); the second connecting plate (6-3) being abutted against the support frame (2); A No. 1 screw rod (6-4), the No. 1 screw rod (6-4) being inserted into the No. 2 connecting plate (6-3) by means of a threaded connection, the lower end of the No. 1 screw rod (6-4) being screwed onto the support frame (2) via a bearing seat, and the upper end of the No. 1 screw rod (6-4) being screwed onto the upper end of the support frame (2) via a bearing; A lifting motor (6-5), wherein the lifting motor (6-5) is fixed on the support frame (2), and the lifting motor (6-5) is connected to an external power supply; and an output shaft of the lifting motor (6-5) is connected to a No. 1 screw rod (6-4).

6. A recycled concrete strength detection device according to claim 5, characterized in that: The illumination mechanism (7) comprises: A lamp tube (7-1), wherein the lamp tube (7-1) is movably inserted into a through hole (6-2) of a protective cover (6-1); the lamp tube (7-1) is connected to an external power source; and a mounting plate (7-2) is fixed to the upper end of the lamp tube (7-1); A No. 1 connecting rod (7-3), wherein the number of the No. 1 connecting rods (7-3) is plural and each of them is fixed on the mounting plate (7-2); a No. 2 connecting rod (7-4) is fixed to the upper end of the No. 1 connecting rod (7-3), and two No. 3 connecting rods (7-5) are fixed to the left side wall of the No. 2 connecting rod (7-4); A No. 3 connecting plate (7-6), wherein the No. 3 connecting plate (7-6) is fixed to the left ends of the two No. 3 connecting rods (7-5); A movable frame (7-7), wherein the movable frame (7-7) is arranged below the third connecting plate (7-6), the support frame (2) is provided with two slide grooves, the movable card of the movable frame (7-7) is arranged in the slide grooves, and the first screw rod (6-4) is arranged in the movable frame (7-7); A rotating motor (7-8), wherein the rotating motor (7-8) is fixed to the right end of the upper side wall of the moving frame (7-7), the rotating motor (7-8) is connected to an external power source, and the output shaft of the rotating motor (7-8) is connected to the third connecting plate (7-6); A second screw rod (7-9), the second screw rod (7-9) being screwed through the left end of the movable frame (7-7) by means of a thread, and the lower end of the second screw rod (7-9) being screwed to the side wall of the support frame (2) by means of a bearing seat; A drive motor (7-10), wherein the drive motor (7-10) is fixed to the left side wall of the support frame (2) via a bracket, an output shaft of the drive motor (7-10) is connected to the No. 2 screw rod (7-9), and the drive motor (7-10) is connected to an external power supply.

7. A recycled concrete strength detection device according to claim 5, characterized in that: The risk control mechanism (8) mentioned above comprises: A water tank (8-1), wherein the water tank (8-1) is fixed on the annular wall of the protective cover (6-1); a water pump (8-2) is provided on the water tank (8-1), and the water pump (8-2) is connected to an external power supply; a water inlet end of the water pump (8-2) is connected to the water tank (8-1) via a pipeline; An air duct (8-3), wherein the air duct (8-3) is an arc-shaped structure, and the outer end of the air duct (8-3) is arranged upward; A water pipe (8-4), the water pipe (8-4) being connected to the water outlet of the water pump (8-2), and the water pipe (8-4) being inserted into the air pipe (8-3); an atomizing nozzle (8-5) being arranged in the air pipe (8-3), and the atomizing nozzle (8-5) being connected to the water pipe (8-4); A fan (8-6), wherein the fan (8-6) is fixed on the branch pipe, and the fan (8-6) is connected to an external power supply.

Images