Concrete setting time testing equipment

Abstract

The utility model relates to concrete setting time testing equipment which comprises a front-back driving assembly, an up-down driving assembly, a pressure testing head and a cleaning cylinder, the up-down driving assembly comprises an up-down fixing plate, a first sliding rail, a driving screw rod and an up-down moving seat, and the first sliding rail is arranged on the outward face of the up-down fixing plate; mounting seats are arranged at the upper end and the lower end of the up-down fixing plate, the driving screw is arranged between the two mounting seats, a sliding block and a rotating seat are arranged on the inward face of the up-down moving seat, a clamping groove is formed in the sliding block and matched with the first sliding rail, and a threaded hole is formed in the rotating seat and matched with the driving screw. The pressure testing head is detachably connected with the lower surface of the up-down moving seat; the front-and-back driving assembly is used for driving the up-and-down driving assembly to move front and back, the cleaning cylinder is used for enabling the pressure testing head to stretch into the cylinder for cleaning, and automatic testing of concrete time can be achieved through the equipment.

Description

Technical Field

[0001] This utility model belongs to the technical field of concrete testing equipment, specifically relating to a concrete setting time testing device. Background Technology

[0002] Currently, concrete testing and identification generally rely on manual methods. This involves manually pressing a test head equipped with a pressure sensor onto the concrete surface and using the pressure change from the sensor to determine if the concrete has solidified. The solidification time is then recorded. This manual testing method is inefficient, involves a poor working environment, and poses certain health risks. Therefore, this proposed solution was developed. Utility Model Content

[0003] In view of the shortcomings of the prior art, the technical problem to be solved by this utility model is to provide a concrete setting time testing device that can automatically test concrete.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a concrete setting time testing device, including a front and rear drive assembly, an upper and lower drive assembly, a pressure testing head and a cleaning cylinder. The upper and lower drive assembly includes upper and lower fixed plates, a first slide rail, a drive screw and an upper and lower movable seat. The first slide rail is disposed on the outer side of the upper and lower fixed plates. Mounting seats are disposed at the upper and lower ends of the upper and lower fixed plates. The drive screw is disposed between the two mounting seats. A sliding block and a rotating seat are disposed on the inner side of the upper and lower movable seat. A slot is disposed on the sliding block, which is adapted to the first slide rail. A threaded hole is disposed on the rotating seat, which is adapted to the drive screw. The pressure testing head is detachably connected to the lower surface of the upper and lower movable seat.

[0005] The front and rear drive assembly is used to drive the upper and lower drive assembly to move back and forth, and the cleaning cylinder is used for the pressure test head to extend into the cylinder for cleaning.

[0006] Furthermore, a retaining seat is formed on the lower surface of the up-and-down movable seat, a slot is provided on the lower surface of the retaining seat, a constriction is formed at the opening of the slot, and a deformation retaining head is provided at the upper end of the pressure test head, which is inserted into the slot by deformation.

[0007] Furthermore, the cleaning cylinder includes a cylinder body and multiple nozzles. Multiple water inlet pipes are formed on the side wall of the cylinder body, and an interface communicating with the water inlet pipes is opened on the inner side of the cylinder body. The nozzles are installed on the interface.

[0008] Furthermore, the cylinder is a four-sided prism, and there are four water inlet pipes distributed on the four sides of the cylinder, with the four water inlet pipes located at the same horizontal height.

[0009] Furthermore, the nozzle of the spray head is strip-shaped.

[0010] Furthermore, the front and rear drive assembly includes front and rear fixed plates, a second slide rail, and a rotating screw. Seats are provided on both sides of the upper surface of the front and rear fixed plates, and the rotating screw is disposed between the seats. The second slide rail is disposed on the upper surface of the front and rear fixed plates. An extension plate is provided on the back of the upper and lower fixed plates. A slider is provided on the lower surface of the extension plate, and a groove is provided on the lower surface of the slider. The groove is adapted to the second slide rail. A drive seat is provided on the lower surface of the extension plate, and a threaded hole is provided on the drive seat, which is adapted to the rotating screw.

[0011] Furthermore, reinforcing ribs are provided between the extension plate and the upper and lower fixing plates.

[0012] Furthermore, there are two first slide rails, which are respectively located on both sides of the drive screw, and two second slide rails, which are respectively located on both sides of the rotating screw.

[0013] Furthermore, the testing equipment also includes a test head replacement assembly, which includes a left and right moving component and a test head fixing plate. The test head fixing plate has multiple slots on its outward-facing side, and the pressure test head is locked in the slots.

[0014] Furthermore, the left and right moving component includes a mounting platform, a transverse screw, and a third slide rail. The transverse screw and the third slide rail are spaced apart on the mounting platform. The third slide rail is located near the bayonet. A transverse seat is provided on the lower surface of the test head fixing plate. The transverse seat has a threaded hole that is adapted to the transverse screw. A guide block is provided on the lower surface of the test head fixing plate. The lower surface of the guide block has an adapter groove that is adapted to the third slide rail.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] This invention achieves the forward and backward movement and the up and down movement of the pressure test head through the cooperation of the front and rear drive components and the up and down drive components. When moving forward and backward, the pressure test head is brought closer to the top of the test object. When moving up and down, the pressure test head is inserted into the concrete surface for testing. The up and down drive components are driven by screws. Through screw drive, the stroke is precisely controlled and the pressure is applied slowly, so that the pressure test head will not directly hit the concrete surface. After the pressure test is completed, the pressure test head can be inserted into the cleaning cylinder for cleaning and then proceed to the next test. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of a concrete setting time testing device according to the present invention;

[0018] Figure 2 This is a three-dimensional structural diagram of the front and rear drive assembly, the upper and lower drive assembly, and the cleaning cylinder in this utility model;

[0019] Figure 3 This is a three-dimensional structural diagram of the front-to-back drive assembly and the up-and-down drive assembly in this utility model;

[0020] Figure 4 This is a partially enlarged three-dimensional structural diagram of the sensing element and proximity switch in this utility model;

[0021] Figure 5 This is a three-dimensional structural diagram of the cleaning cylinder in this utility model;

[0022] Figure 6 This is a three-dimensional structural diagram of the test head replacement component in this utility model.

[0023] The diagram shows the following components: 1. Test head replacement assembly; 11. Left and right movement assembly; 111. Mounting platform; 112. Horizontal movement screw; 113. Third slide rail; 12. Test head fixing plate; 121. Clamp; 122. Horizontal movement seat; 2. Front and rear drive assembly; 21. Front and rear fixing plates; 22. Second slide rail; 23. Rotating screw; 3. Up and down drive assembly; 31. Up and down fixing plates; 32. First slide rail; 33. Drive screw; 34. Up and down movement seat; 341. Clamp; 342. Sensing plate; 35. Fixing strip; 36. Proximity switch; 4. Pressure test head; 5. Cleaning cylinder; 51. Cylinder body; 52. Water inlet pipe; 6. Turntable; 7. Receiving cylinder. Detailed Implementation

[0024] To make the above-mentioned features and advantages of this utility model more apparent and understandable, specific embodiments are described below in conjunction with the accompanying drawings for detailed explanation.

[0025] like Figures 1-6 As shown, this embodiment provides a concrete setting time testing device, including a test head replacement assembly 1, a front and rear drive assembly 2, an upper and lower drive assembly 3, a pressure test head 4, and a cleaning cylinder 5.

[0026] A container 7 filled with concrete is placed on the upper surface of a turntable 6. Multiple containers are arranged in a ring at intervals along the axis of the turntable 6. The turntable 6 rotates the container 7 to face the test equipment.

[0027] The upper and lower drive assembly 3 includes upper and lower fixed plates 31, a first slide rail 32, a drive screw 33, and an upper and lower moving seat 34. The first slide rail 32 is disposed on the outer side of the upper and lower fixed plates 31. Mounting seats are provided at the upper and lower ends of the upper and lower fixed plates 31. The drive screw 33 is disposed between the two mounting seats. There are two first slide rails 32, which are respectively disposed on both sides of the drive screw 33. The upper and lower moving seat 34 is provided with a sliding block and a rotating seat on the inner side. The sliding block is provided with a slot that is adapted to the first slide rail 32. The rotating seat is provided with a threaded hole that is adapted to the drive screw 33. The drive screw 33 is driven by a motor. The pressure test head 4 is detachably connected to the lower surface of the upper and lower moving seat 34. Specifically, a mounting seat 341 is formed on the lower surface of the upper and lower moving seat 34. A slot is provided on the lower surface of the mounting seat 341. A constriction is formed at the opening of the slot. A deformation locking head 121 is provided at the upper end of the pressure test head 4. The deformation locking head 121 is inserted into the slot by deformation. The pressure test head 4 has a built-in pressure sensor that can sense the squeezing force of the head on the concrete. This is an existing product and will not be described in detail again.

[0028] Preferably, a fixing strip 35 is provided on the outer side of the first slide rail 32, and three proximity switches 36 are provided on the fixing strip 35 at intervals. A sensing plate 342 is provided on the side of the vertical moving seat 34. During the movement of the vertical moving seat 34, the sensing plate 342 will enter the sensing area of ​​the proximity switch 36 to determine the vertical movement stroke.

[0029] The front and rear drive assembly 2 includes front and rear fixed plates 21, a second slide rail 22, and a rotating screw 23. Seats are provided on both sides of the upper surface of the front and rear fixed plates 21, and the rotating screw 23 is disposed between the seats. The second slide rail 22 is disposed on the upper surface of the front and rear fixed plates 21. An extension plate is provided on the back of the upper and lower fixed plates 31. Specifically, a reinforcing rib is provided between the extension plate and the upper and lower fixed plates 31. A slider is provided on the lower surface of the extension plate, and a groove is provided on the lower surface of the slider. The groove is adapted to the second slide rail 22. A drive seat is provided on the lower surface of the extension plate, and a threaded hole is provided on the drive seat. The threaded hole is adapted to the rotating screw 23, which is driven by a motor.

[0030] The cleaning cylinder 5 is located between the front and rear drive components 2 and the turntable 6. The cleaning cylinder 5 includes a cylinder body 51 and four nozzles. Four water inlet pipes 52 are formed on the side wall of the cylinder body 51. An interface communicating with the water inlet pipes 52 is opened on the inner side of the cylinder body 51, and the nozzles are installed on the interface. The cylinder body 51 is a quadrangular prism, and there are four water inlet pipes 52 distributed on the four sides of the cylinder body 51. The four water inlet pipes 52 are located at the same horizontal height. The spray nozzles have a strip-shaped spray nozzle to increase water pressure.

[0031] The test head replacement assembly 1 is located below the up-down drive assembly 3. The test head replacement assembly 1 includes a left-right moving assembly 11 and a test head fixing plate 12. The test head fixing plate 12 has multiple bayonets on its outward-facing side, and the pressure test head 4 is secured within these bayonets. Specifically, the left-right moving assembly 11 includes a mounting platform 111, a transverse screw 112, and a third slide rail 113. The mounting platform 111 is spaced apart by the transverse screw 112 and the third slide rail 113, with the third slide rail 113 located near the bayonets. The lower surface of the test head fixing plate 12 is provided with a transverse... The shifter 122 has a threaded hole that matches the transverse screw 112, which is driven by a motor. The lower surface of the test head fixing plate 12 has a guide block with an adapter groove that matches the third slide rail 113. When replacing the pressure test head 4, the old pressure test head 4 is removed from the holder 341. Then, through the movement of the front and rear drive assembly 2 and the up and down drive assembly 3, the slot on the holder 341 is aligned with the upper end of the new pressure test head 4, and then it is snapped in.

[0032] Working principle: When the receiving cylinder 7 moves to the detection area, the rotating screw 23 rotates, driving the front and rear fixed plates 21 to move forward until the pressure test head 4 is aligned with the concrete in the receiving cylinder 7. The screw 33 is driven to rotate, driving the upper and lower moving seats 34 to move downward until the pressure test head 4 extends into the upper surface of the concrete. Then, the screw 33 is driven to rotate slowly, driving the upper and lower moving seats 34 to move downward with buffer. The pressure test head 4 moves slowly upward. The pressure sensor inside the pressure test head 4 collects the pressure information and sends it to the control center to generate a pressure curve. The pressure curve is used to determine whether the concrete has solidified. If so, the time is recorded. Then, with the cooperation of the upper and lower moving components and the front and rear moving components, the pressure test head 4 extends into the inner side of the cylinder 51 of the cleaning cylinder 5 for cleaning.

[0033] The foregoing has shown and described the basic principles and main features of this invention, as well as its advantages. Those skilled in the art should understand that this invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this invention. Various changes and modifications can be made to this invention without departing from its spirit and scope. All such changes and modifications fall within the scope of this invention as defined by the appended claims and their equivalents.

Claims

1. A concrete setting time testing apparatus, characterized by: The utility model provides a test equipment, including front and back drive component, up and down drive component, pressure test head and cleaning cylinder, the up and down drive component includes upper and lower fixed plate, first slide rail, drive screw rod and up and down mobile seat, first slide rail sets up at the outward one side of upper and lower fixed plate, the both ends of upper and lower fixed plate are provided with mounting seat, drive screw rod sets up between two mounting seats, the inward one side of up and down mobile seat is provided with sliding block and rotating seat, sliding block is provided with clamping groove on, clamping groove is compatible with first slide rail, rotating seat is provided with screw hole on, screw hole and drive screw rod are compatible, pressure test head is detachably connected with the lower surface of up and down mobile seat, The front and back drive component is used for driving the up and down drive component to move forward and backward, and the cleaning cylinder is used for cleaning the pressure test head when the pressure test head is inserted into the cylinder.

2. A concrete setting time testing apparatus according to claim 1, wherein: The lower surface of the up and down mobile seat is formed with a clamping seat, the lower surface of the clamping seat is provided with a clamping groove, the opening of the clamping groove is formed with a necking, and the upper end of the pressure test head is provided with a deformation clamping head which is clamped into the clamping groove through deformation.

3. A concrete setting time testing apparatus as claimed in claim 1, wherein: The cleaning cylinder includes a cylinder body and a plurality of spray heads, a plurality of water inlet pipes are formed on the side wall of the cylinder body, an interface is formed on the inner side of the cylinder body and is communicated with the water inlet pipes, and the spray heads are installed on the interface.

4. A concrete setting time testing apparatus as claimed in claim 3, wherein: The cylinder body is in the shape of a quadrangular prism, the number of the water inlet pipes is four, and the four water inlet pipes are distributed on the four sides of the cylinder body and are located at the same horizontal height.

5. A concrete setting time testing apparatus as claimed in claim 3, wherein: The water outlet of the spray head is in the shape of a strip.

6. A concrete setting time testing apparatus as claimed in claim 1, wherein: The front and back drive component includes a front and back fixed plate, a second slide rail and a rotating screw rod, the upper surface of the front and back fixed plate is provided with seat bodies on both sides, the rotating screw rod is arranged between the seat bodies, the second slide rail is arranged on the upper surface of the front and back fixed plate, the back surface of the upper and lower fixed plate is provided with an extension plate, the lower surface of the extension plate is provided with a sliding block, the lower surface of the sliding block is provided with a sliding groove, the sliding groove is compatible with the second slide rail, the lower surface of the extension plate is provided with a driving seat, the driving seat is provided with a screw hole, and the screw hole is compatible with the rotating screw rod.

7. A concrete setting time testing apparatus as claimed in claim 6, wherein: A reinforcing rib is arranged between the extension plate and the upper and lower fixed plate.

8. A concrete set time testing apparatus as claimed in claim 6, wherein: The number of the first slide rails is two, and the first slide rails are arranged on both sides of the drive screw rod respectively, the number of the second slide rails is two, and the second slide rails are located on both sides of the rotating screw rod respectively.

9. A concrete setting time testing apparatus as claimed in claim 1, wherein: The test equipment further includes a test head replacement assembly, the test head replacement assembly includes a left and right moving assembly and a test head fixed plate, the outward one side of the test head fixed plate is formed with a plurality of clamping openings, and the pressure test head is clamped in the clamping openings.

10. A concrete setting time testing apparatus as claimed in claim 9, wherein: The left and right moving assembly includes a mounting platform, a transverse moving screw rod and a third slide rail, the mounting platform is provided with the transverse moving screw rod and the third slide rail at intervals, the third slide rail is located on the side close to the clamping opening, the lower surface of the test head fixed plate is provided with a transverse moving seat, the transverse moving seat is provided with a screw hole, the screw hole is compatible with the transverse moving screw rod, the lower surface of the test head fixed plate is provided with a guide block, the lower surface of the guide block has an adaptive groove, and the adaptive groove is compatible with the third slide rail.

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