Continuous concrete penetration resistance meter

Abstract

The utility model relates to the technical field of resistance meters, in particular to a continuous concrete penetration resistance meter, which not only avoids winding damage of an external connecting cable caused by rotation of a plurality of groups of pressure sensors, but also facilitates subsequent continuous detection of concrete with different specifications, prolongs the service life of the device and improves the detection efficiency. Comprising a bottom plate, a supporting rod and a displayer, a plurality of sets of containing grooves are evenly formed in the top end of the bottom plate, the supporting rod is fixed to the left end of the bottom plate, the displayer is fixed to the top end of the supporting rod, and the device further comprises a fixing plate, an adjusting mechanism, an electric push rod, a pressing block, a plurality of sets of mounting blocks, a plurality of sets of measuring assemblies and a plurality of sets of penetration needles. The adjusting mechanism is installed on the upper portion of the front end of the fixing plate and used for driving the electric push rod to move left and right, the output end of the electric push rod is connected with the pressing block, the multiple sets of installation blocks are evenly fixed to the front end of the fixing plate, and the measuring assemblies are installed on the installation blocks.

Description

Technical Field

[0001] The utility model relates to the technical field of resistance meters, in particular to a continuous concrete penetration resistance meter. Background Art

[0002] A concrete penetration resistance meter is an instrument for measuring the setting time of concrete, also known as a concrete penetration resistance meter. When conducting a penetration resistance test on concrete, it is necessary to replace different penetration needles according to the size of the penetration resistance of different test molds or the different resistance of the concrete due to the determination of the initial setting time and the final setting time. A patent document with a search announcement number of CN217111941U provides a concrete penetration resistance meter, including a pressing mechanism for pressing down the penetration needle and a workbench for placing the test mold, the workbench is located below the pressing mechanism, and also includes a turntable, the turntable is horizontally arranged and can be horizontally rotatably arranged between the pressing mechanism and the workbench, the edge area of ​​the turntable is provided with a plurality of penetration needles arranged at intervals, and the plurality of penetration needles are vertically arranged and can be vertically movably arranged at the edge. The edge area, the pressing mechanism and the workbench are aligned with the edge area, a balance bar is provided on the bottom surface of the edge area of ​​the turntable away from the pressing mechanism, and a plurality of connecting parts are provided in the edge area of ​​the bottom surface of the turntable, each of the connecting parts is located away from the position of the corresponding penetration needle, one end of the balance bar is connected to the resistance meter, and the other end of the balance bar is connected to the connecting part. However, it is found during use that the above-mentioned device drives the penetration needle to rotate through the turntable, and it also drives the corresponding sensor to rotate synchronously. Since the sensor is electrically connected to the display on the workbench, the cable connecting the sensor and the display will be entangled, thereby causing damage to the sensor connecting cable, resulting in a poor service life of the device. A continuous concrete penetration resistance meter is provided to solve the above problems. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a continuous concrete penetration resistance meter which not only avoids the entanglement and damage of external connecting cables caused by the rotation of multiple groups of pressure sensors, but also facilitates the subsequent continuity detection of concrete of different specifications, thereby improving its service life and detection efficiency.

[0004] The utility model discloses a continuous concrete penetration resistance meter, comprising a bottom plate, a support rod and a display, wherein a plurality of groups of placement grooves are evenly arranged on the top of the bottom plate, the support rod is fixed at the left end of the bottom plate, the display is fixed at the top of the support rod, and the utility model further comprises a fixing plate, an adjusting mechanism, an electric push rod, a pressing block, a plurality of groups of mounting blocks, a plurality of groups of measuring components and a plurality of groups of penetration needles, wherein the fixing plate is fixed at the rear side of the top end of the bottom plate, the adjusting mechanism is installed at the upper front end of the fixing plate, the adjusting mechanism is used to drive the electric push rod to move left and right, and the output end of the electric push rod is connected with the pressing block, the plurality of groups of mounting blocks are evenly fixed at the front end of the fixing plate, the measuring components are installed on the mounting blocks, the measuring components are electrically connected with the display, the measuring components are used to drive the penetration needle to move up and down and detect the resistance of the penetration needle to be inserted into concrete, the plurality of groups of penetration needles are respectively located above the plurality of groups of placement grooves at the top end of the bottom plate, and the plurality of groups of penetration needles have different sizes; a container filled with concrete is pre-placed on the bottom plate The measuring components are placed in the groove and are located below the corresponding penetration needle. At this time, the electric push rod is driven to move left and right through the adjustment mechanism, so that the electric push rod and the pressure block are located above the corresponding measuring components of this group, and the pressure block is driven downward by the electric push rod, so that the pressure block presses the measuring component, and the measuring component drives the corresponding penetration needle to move downward, so that the penetration needle is mixed into the concrete. At this time, the measuring component transmits the resistance suffered by the penetration needle to the display, and calculates and displays it through the display, thereby completing the measurement, and the staff can place another group of concrete containers with different specifications in another group of placement grooves on the bottom plate, and under the corresponding penetration needle, and repeat the above actions to realize the detection of concrete of this specification, which not only avoids the entanglement and damage of external connection cables caused by the rotation of multiple groups of measuring components, but also facilitates the subsequent continuity detection of concrete of different specifications, thereby improving the service life of the device and the efficiency of detection.

[0005] Preferably, the adjusting mechanism includes a motor, a first bevel gear, a second bevel gear, a screw shaft, two groups of fixed blocks, a slider and a connecting block. The motor is fixed to the upper right part of the front end of the fixed plate, the output end of the motor is connected to the first bevel gear, and the first bevel gear is meshingly connected to the second bevel gear for transmission connection, the second bevel gear is fixed to the right end of the screw shaft, the screw shaft is rotatably connected to the two groups of fixed blocks, and the two groups of fixed blocks are symmetrically fixed to the left and right sides of the front end of the fixed plate, the slider is screwed to the screw shaft and slidably clamped with the front end of the fixed plate, and the connecting block is fixed to the front end of the slider, and the electric push rod is fixed to the front end of the connecting block; the first bevel gear is driven to rotate by the motor, and the first bevel gear is meshingly connected to the second bevel gear for transmission connection, so that the screw shaft rotates, and the slider drives the connecting block, the electric push rod and the pressure block to move left and right, which is convenient for adjusting the pressure of the electric push rod and the pressure block on the measuring components at different positions, and provides power for the movement of the electric push rod and the pressure block.

[0006] Preferably, the measuring assembly includes multiple groups of sliding rods, multiple groups of tension springs, multiple groups of first fixed disks, multiple groups of second fixed disks and multiple groups of pressure sensors, the multiple groups of sliding rods are slidably connected to the multiple groups of mounting blocks respectively, the tension springs are mounted under the sliding rods, and the top of the tension springs are connected to the bottom of the mounting blocks, the bottoms of the tension springs and the sliding rods are both connected to the first fixed disk, the penetration needle is fixed in the middle of the bottom of the first fixed disk, and the second fixed disk is fixed to the top of the sliding rod, the pressure sensor is fixed to the top of the second fixed disk, and the multiple groups of pressure sensors are electrically connected to the display through external connection cables; the pressure is pressed by the pressure block The force sensor is squeezed downward, and the pressure sensor drives the second fixed disk, the sliding rod, the first fixed disk and the penetration needle to move downward, and the pressure sensor transmits the resistance of the penetration needle to the display for analysis and measurement. After the measurement is completed, the pressure block moves upward. At this time, under the tension of the tension spring, the sliding rod drives the first fixed disk and the penetration needle to move upward, so that the penetration needle is reset, thereby realizing feedback on the resistance of the penetration needle, and multiple groups of pressure sensors are evenly arranged to avoid rotation, avoid the entanglement of external connection cables, and ensure the service life of the device.

[0007] Preferably, it also includes multiple groups of reinforcement blocks, which are respectively fixed on the top ends of the multiple groups of mounting blocks, and the multiple groups of reinforcement blocks are all connected to the front ends of the fixing plates; by setting the reinforcement blocks, the strength of the connection between the mounting blocks and the fixing plates is strengthened, thereby improving the structural stability of the device.

[0008] Preferably, the tension spring is made of spring steel; by using spring steel material, the structural strength of the device is improved and the service life of the device is increased.

[0009] Preferably, the motor is a silencer motor; by providing a silencer motor, noise pollution is reduced and the use effect of the device is improved.

[0010] Preferably, lubricating oil is applied between the first bevel gear and the second bevel gear; by applying the lubricating oil, the friction loss between the first bevel gear and the second bevel gear is reduced, and the service life of the device is further improved.

[0011] Compared with the prior art, the utility model has the following beneficial effects: a container containing concrete is pre-placed in a placement groove of the bottom plate and is located below the corresponding penetration needle. At this time, the electric push rod is driven to move left and right by the adjustment mechanism, so that the electric push rod and the pressure block are located above the corresponding measuring component of the group, and the pressure block is driven downward by the electric push rod, so that the pressure block presses the measuring component, and the measuring component drives the corresponding penetration needle to move downward, so that the penetration needle is mixed into the concrete. At this time, the measuring component transmits the resistance suffered by the penetration needle to the display, and calculates and displays it through the display, thereby completing the measurement, and the staff can place another group of concrete containers with different specifications in another group of placement grooves of the bottom plate and below the corresponding penetration needle, and repeat the above actions to realize the detection of concrete of this specification, which not only avoids the entanglement and damage of external connection cables caused by the rotation of multiple groups of measuring components, but also facilitates the subsequent continuous detection of concrete of different specifications, thereby improving the service life of the device and the efficiency of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0013] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0014] Figure 3 It is a front view structural schematic diagram of the utility model;

[0015] Figure 4 This utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0016] Figure 5 This utility model Figure 3 A schematic diagram of the enlarged structure at B in the middle;

[0017] Markings in the attached drawings: 1. base plate; 2. support rod; 3. display; 4. fixed plate; 5. electric push rod; 6. pressure block; 7. mounting block; 8. penetration needle; 9. motor; 10. first bevel gear; 11. second bevel gear; 12. screw shaft; 13. fixed block; 14. slider; 15. connecting block; 16. sliding rod; 17. tension spring; 18. first fixed disk; 19. second fixed disk; 20. pressure sensor; 21. reinforcement block. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] like Figures 1 to 4 As shown, it includes a base plate 1, a support rod 2 and a display 3. The top of the base plate 1 is evenly provided with multiple groups of placement grooves. The support rod 2 is fixed to the left end of the base plate 1, and the display 3 is fixed to the top of the support rod 2. It also includes a fixed plate 4, an adjustment mechanism, an electric push rod 5, a pressure block 6, multiple groups of mounting blocks 7, multiple groups of measuring components and multiple groups of penetration needles 8. The fixed plate 4 is fixed to the rear side of the top of the base plate 1. The adjustment mechanism includes a motor 9, a first bevel gear 10, a second bevel gear 11, a screw shaft 12, two groups of fixed blocks 13, a slider 14 and a connecting block 15. The motor 9 is fixed to the upper right part of the front end of the fixed plate 4. The output end of the motor 9 is connected to the first bevel gear 10, and the first bevel gear 10 is connected to the second bevel gear 11. The bevel gear 11 is meshed and connected for transmission. The second bevel gear 11 is fixed to the right end of the screw shaft 12. The screw shaft 12 is rotatably connected to the two sets of fixed blocks 13, and the two sets of fixed blocks 13 are symmetrically fixed to the left and right sides of the front end of the fixed plate 4. The slider 14 is screwed to the screw shaft 12 and is slidably clamped to the front end of the fixed plate 4, and the connecting block 15 is fixed to the front end of the slider 14. The electric push rod 5 is fixed to the front end of the connecting block 15, and the output end of the electric push rod 5 is connected to the pressure block 6. Multiple sets of mounting blocks 7 are evenly fixed to the front end of the fixed plate 4. The measuring assembly is installed on the mounting block 7. The measuring assembly is electrically connected to the display 3. The measuring assembly is used to drive the penetration needle 8 to move up and down and detect the penetration. The resistance of the needle 8 to be inserted into the concrete, the multiple groups of penetration needles 8 are respectively located above the multiple groups of placement grooves at the top of the bottom plate 1, and the sizes of the multiple groups of penetration needles 8 are different; the container filled with concrete is pre-placed in the placement groove of the bottom plate 1 and is located below the corresponding penetration needle 8, and the motor 9 is started at this time, and the first bevel gear 10 is driven by the motor 9 to rotate, and the first bevel gear 10 is meshed and connected with the second bevel gear 11, so that the screw shaft 12 rotates, and the slider 14 drives the connecting block 15, the electric push rod 5 and the pressure block 6 to move left and right, so that the electric push rod 5 and the pressure block 6 are located above the corresponding measuring component of the group, and the electric push rod 5 drives the pressure block 6 to move downward, so that the pressure block 6 presses The measuring assembly drives the corresponding penetration needle 8 to move downward, so that the penetration needle 8 is mixed into the concrete. At this time, the measuring assembly transmits the resistance encountered by the penetration needle 8 to the display 3, and calculates and displays it through the display 3, thereby completing the measurement. The staff can place another set of concrete containers with different specifications in another set of placement grooves on the bottom plate 1, and under the corresponding penetration needle 8, and repeat the above actions to realize the detection of concrete of this specification, which not only avoids the entanglement and damage of external connection cables caused by the rotation of multiple sets of measuring assemblies, but also facilitates the subsequent continuity detection of concrete of different specifications, thereby improving the service life of the device and the efficiency of detection.

[0021] Example 2

[0022] like Figure 1 , Figure 3 and Figure 5 As shown, it includes a bottom plate 1, a support rod 2 and a display 3, the top of the bottom plate 1 is evenly provided with multiple groups of placement grooves, the support rod 2 is fixed to the left end of the bottom plate 1, and the display 3 is fixed to the top of the support rod 2. It also includes a fixed plate 4, an adjustment mechanism, an electric push rod 5, a pressure block 6, multiple groups of mounting blocks 7, multiple groups of measuring components and multiple groups of penetration needles 8. The fixed plate 4 is fixed to the rear side of the top of the bottom plate 1, and the adjustment mechanism is installed on the upper front end of the fixed plate 4. The adjustment mechanism is used to drive the electric push rod 5 to move left and right, and the output end of the electric push rod 5 is connected to the pressure block 6. The multiple groups of mounting blocks 7 are evenly fixed to the front end of the fixed plate 4. The measuring components include multiple groups of sliding rods 16, multiple groups of tension springs 17, multiple groups of first fixed The fixed plate 18, multiple sets of second fixed plates 19 and multiple sets of pressure sensors 20, multiple sets of sliding rods 16 are respectively slidably connected with multiple sets of mounting blocks 7, the tension spring 17 is set under the sliding rod 16, and the top of the tension spring 17 is connected to the bottom end of the mounting block 7, the bottom ends of the tension spring 17 and the sliding rod 16 are both connected to the first fixed plate 18, the penetration needle 8 is fixed in the middle of the bottom end of the first fixed plate 18, and the second fixed plate 19 is fixed at the top of the sliding rod 16, the pressure sensor 20 is fixed at the top of the second fixed plate 19, and the multiple sets of pressure sensors 20 are electrically connected to the display 3 through external connection cables, and the multiple sets of penetration needles 8 are respectively located above the multiple sets of placement slots at the top of the bottom plate 1. And the sizes of the multiple groups of penetration needles 8 are different; the container containing concrete is pre-placed in the placement groove of the bottom plate 1 and is located below the corresponding penetration needle 8. At this time, the electric push rod 5 is driven to move left and right through the adjustment mechanism, so that the electric push rod 5 and the pressure block 6 are located above the corresponding pressure sensor 20 of the group, and the electric push rod 5 drives the pressure block 6 to move downward, so that the pressure block 6 presses the pressure sensor 20, and the pressure sensor 20 drives the second fixed plate 19, the sliding rod 16, the first fixed plate 18 and the penetration needle 8 to move downward, the penetration needle 8 is mixed into the concrete, and the pressure sensor 20 feeds back the resistance of the penetration needle 8 to the display 3 for analysis and measurement, and through The display 3 is used to calculate and display, thereby completing the measurement, and then the pressing block 6 is moved upward. At this time, under the tension of the tension spring 17, the sliding rod 16 drives the first fixed plate 18 and the penetration needle 8 to move upward, so that the penetration needle 8 is reset, and the staff can place another set of concrete containers with different specifications in another set of placement grooves on the bottom plate 1 and under the corresponding penetration needle 8, and repeat the above actions to realize the detection of concrete of this specification, which not only avoids the entanglement and damage of external connection cables caused by the rotation of multiple sets of measurement components, but also facilitates the subsequent continuity detection of concrete of different specifications, thereby improving the service life of the device and the efficiency of detection.

[0023] like Figures 1 to 5As shown, a continuous concrete penetration resistance meter of the utility model, when working, firstly, a container containing concrete is pre-placed in a placement groove of a bottom plate 1 and is located below a corresponding penetration needle 8, at which time a motor 9 is started, and the first bevel gear 10 is driven to rotate by the motor 9, and the first bevel gear 10 is meshed and connected with the second bevel gear 11, so that the screw shaft 12 is rotated, and the slider 14 drives the connecting block 15, the electric push rod 5 and the pressure block 6 to move left and right, at which time the electric push rod 5 and the pressure block 6 are located above the corresponding pressure sensor 20 of the group, and the pressure block 6 is driven downward by the electric push rod 5, so that the pressure block 6 presses the pressure sensor 20, and the pressure sensor 20 drives the second fixed plate 19, the sliding rod 16, the first fixed plate 18 and the penetration needle 8 to move downward, the penetration needle 8 is mixed into the concrete, and the pressure sensor 20 will be subjected to the penetration needle 8 The resistance is fed back to the display 3 for analysis and measurement, and the display 3 is used for calculation and display, thereby completing the measurement, and then the pressure block 6 is moved upward. At this time, under the tension of the tension spring 17, the sliding rod 16 drives the first fixed plate 18 and the penetration needle 8 to move upward, so that the penetration needle 8 can be reset. Then the staff can pre-place another set of concrete containers with different specifications in another set of placement grooves on the bottom plate 1 and under the corresponding penetration needle 8, and repeat the above actions to realize the detection of concrete of this specification, which not only avoids the entanglement and damage of external connection cables caused by the rotation of multiple sets of pressure sensors 20, but also facilitates the subsequent continuity detection of concrete of different specifications, thereby improving the service life of the device and the detection efficiency, and by setting the reinforcement block 21, the strength of the connection between the mounting block 7 and the fixing plate 4 is strengthened, thereby improving the structural stability of the device.

[0024] The display 3, electric push rod 5, penetration needle 8, motor 9 and pressure sensor 20 of the continuous concrete penetration resistance meter of the utility model are purchased on the market and are prior art. The technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative efforts.

[0025] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A continuous concrete penetration resistance meter, comprising a base plate (1), a support rod (2) and a display (3), wherein a plurality of placement grooves are evenly arranged at the top of the base plate (1), the support rod (2) is fixed at the left end of the base plate (1), and the display (3) is fixed at the top of the support rod (2), characterized in that: The invention also comprises a fixing plate (4), an adjusting mechanism, an electric push rod (5), a pressing block (6), a plurality of mounting blocks (7), a plurality of measuring components and a plurality of penetration needles (8). The fixing plate (4) is fixed to the rear side of the top end of the bottom plate (1). The adjusting mechanism is installed at the upper front end of the fixing plate (4). The adjusting mechanism is used to drive the electric push rod (5) to move left and right. The output end of the electric push rod (5) is connected to the pressing block (6). The plurality of mounting blocks (7) are evenly fixed to the front end of the fixing plate (4). The measuring components are installed on the mounting blocks (7). The measuring components are electrically connected to the display (3). The measuring components are used to drive the penetration needles (8) to move up and down and detect the resistance of the penetration needles (8) to be inserted into concrete. The plurality of penetration needles (8) are respectively located above the plurality of placement grooves at the top end of the bottom plate (1). The plurality of penetration needles (8) have different sizes.

2. A continuous concrete penetration resistance instrument as claimed in claim 1, characterized in that: The adjusting mechanism comprises a motor (9), a first bevel gear (10), a second bevel gear (11), a screw shaft (12), two groups of fixed blocks (13), a slider (14) and a connecting block (15). The motor (9) is fixed to the upper right part of the front end of the fixed plate (4). The output end of the motor (9) is connected to the first bevel gear (10), and the first bevel gear (10) is meshed and transmission-connected with the second bevel gear (11). The second bevel gear (11) is fixed to the right end of the screw shaft (12). The screw shaft (12) is rotationally connected to the two groups of fixed blocks (13), and the two groups of fixed blocks (13) are symmetrically fixed to the left and right sides of the front end of the fixed plate (4), respectively. The slider (14) is screw-connected to the screw shaft (12) and is slidably clamped with the front end of the fixed plate (4). The connecting block (15) is fixed to the front end of the slider (14), and the electric push rod (5) is fixed to the front end of the connecting block (15).

3. A continuous concrete penetration resistance instrument as claimed in claim 1, characterized in that: The measuring assembly comprises a plurality of sliding rods (16), a plurality of tension springs (17), a plurality of first fixed disks (18), a plurality of second fixed disks (19) and a plurality of pressure sensors (20). The plurality of sliding rods (16) are respectively slidably connected to the plurality of mounting blocks (7). The tension springs (17) are mounted under the sliding rods (16), and the top of the tension springs (17) are connected to the bottom of the mounting block (7). The bottoms of the tension springs (17) and the sliding rods (16) are both connected to the first fixed disk (18). The penetration needle (8) is fixed at the middle of the bottom of the first fixed disk (18), and the second fixed disk (19) is fixed at the top of the sliding rods (16). The pressure sensors (20) are fixed at the top of the second fixed disk (19), and the plurality of pressure sensors (20) are all electrically connected to the display (3) via external connection cables.

4. A continuous concrete penetration resistance instrument as claimed in claim 1, characterized in that: It also includes a plurality of groups of reinforcing blocks (21), which are respectively fixed on the top ends of the plurality of groups of mounting blocks (7), and the plurality of groups of reinforcing blocks (21) are all connected to the front end of the fixing plate (4).

5. A continuous concrete penetration resistance instrument as claimed in claim 3, characterized in that: The material of the tension spring (17) is spring steel.

6. A continuous concrete penetration resistance instrument as claimed in claim 2, characterized in that: The motor (9) is a silencer motor.

7. A continuous concrete penetration resistance instrument as claimed in claim 2, characterized in that: Lubricating oil is applied between the first bevel gear (10) and the second bevel gear (11).

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