CN219532724U

CN219532724U - Hardness detection device

Info

Publication number: CN219532724U
Application number: CN202223572058.2U
Authority: CN
Inventors: 张金荣
Original assignee: Jingmen Jinhong Building Materials Co ltd
Current assignee: Jingmen Jinhong Building Materials Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-08-15
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a hardness detection device, which belongs to the field of concrete block detection and comprises a bearing seat, a clamping mechanism and a detection mechanism, wherein the clamping mechanism comprises a threaded ejector rod and a sliding rod, the threaded ejector rod is in threaded connection with one side edge of the bearing seat, and the sliding rod is fixedly connected with the other side edge of the bearing seat; through setting up fixture, utilize the special shape of two holders, and the elasticity of extension spring, when the screw thread ejector pin supports to the concrete piece, the concrete piece can be adjusted gradually, two holders will block the concrete piece, and two slides can slide, can be applicable to the concrete piece of different specifications, through setting up detection mechanism, when the motor drives the runner and rotate, the lifting block on the runner can jack up the impact member, at this moment the pressure spring can be compressed, break away from the moment of lifting seat when the lifting block, the pressure spring can rebound, the impact member can hit the concrete piece to the below, the value will be measured to the force transducer of impact member bottom.

Description

Hardness detection device

Technical Field

The utility model belongs to the technical field of concrete block detection, and particularly relates to a hardness detection device.

Background

Concrete is also called cement, is one of the most important civil engineering materials in the current generation, the concrete hardness refers to the strength of the concrete, and refers to the capability of the concrete to resist compressive stress, tensile stress, bending stress, shearing stress and the like, and after the concrete is solidified and molded, the compressive and impact resistance of the concrete determines the quality of the concrete, so that the hardness of a concrete block needs to be tested.

The prior patent (publication number: CN 211904963U) discloses a detection instrument for cement hardness, and relates to the technical field of detection of constructional engineering. The electric telescopic device comprises a fixed shell, wherein the front side and the rear side of the left side of an inner cavity of the fixed shell are fixedly connected with fixed plates, the right side of each fixed plate is fixedly connected with an electric telescopic rod, the right side of each electric telescopic rod is fixedly connected with a sliding plate, a fixed ring is fixedly connected between the opposite sides of each sliding plate, and the front side and the rear side of the inner cavity of the fixed shell are provided with sliding grooves; the following technical problems are considered to exist in practice for the technical proposal disclosed in the patent document: 1. the device is placed on the cement surface by manual hand, a clamping mechanism is absent, and after long-time testing, the impact of the device can lead the arms of operators to become tingling; 2. the device needs to use the resiliometer, all needs to observe the record data after every test, can't test in succession in the short time.

Disclosure of Invention

The utility model aims to provide a hardness detection device, which is used for solving the problems that the device provided in the background art lacks a clamping mechanism and cannot be used for continuous test in a short time.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hardness detection device, includes bears seat, fixture and detection mechanism, fixture includes screw thread ejector pin and slide bar, screw thread ejector pin threaded connection is at one side edge of bearing the seat, slide bar fixed connection is at the opposite side edge of bearing the seat, slidable mounting has two slides on the slide bar, two all rotate on the slide and install the holder, two be connected with the extension spring between the holder.

The detection mechanism comprises a first installation frame, the equal fixed mounting in both sides edge that bears the seat corresponds each other has an installation section of thick bamboo, first installation frame slidable mounting is between two installation section of thick bamboo, fixedly connected with second installation frame on the first installation frame, the center department slip of first installation frame runs through has the impact member, place a plurality of in the impact member and aggravate the piece, the lower fixed surface of second installation frame is connected with the pressure spring, the pressure spring is located the top of impact member, all rotate on the both sides pole of second installation frame and install the runner, the motor is all installed to the both sides of second installation frame, two the output of motor links to each other with the axis of two runners respectively.

By adopting the scheme, through setting up fixture, utilize the special shape of two holders, and the elasticity of extension spring, place the concrete piece in the right angle department of arbitrary one holder, rotate the screw ejector pin again, when the screw ejector pin supports to the concrete piece, the concrete piece can be adjusted gradually, two holders will block the concrete piece, and two slides can slide, can be applicable to the concrete piece of different specifications, through setting up detection mechanism, utilize the elasticity of pressure spring, and the lifting block on the runner and the position cooperation of lifting seat on the impact member, when the motor drives the runner and rotates, the lifting block on the runner can jack up the impact member, at this moment the pressure spring can be compressed, at one instant of lifting block break away from the lifting seat, the pressure spring can rebound, the impact member can bump the concrete piece of below, the force transducer of impact member bottom can measure the numerical value, just can carry out the next test after the runner rotates one round, but continuous measurement.

In the above scheme, it should be noted that the motor has a self-locking function, the output shafts of the two motors turn to in opposite directions, the impact piece is in clearance fit with the first mounting frame, the bottom of the impact piece is provided with a force transducer, the device is provided with a controller, the two motors are all electrically connected with the controller, and the force transducer, the controller and the two motors are all externally connected with a power supply.

As a preferable implementation mode, one end of the threaded ejector rod is fixedly connected with the protection head, and the other end of the threaded ejector rod is fixedly connected with the rotating handle.

By adopting the scheme, the screw thread ejector rod can be prevented from being worn by the concrete block by arranging the protection head, and the screw thread ejector rod can be conveniently rotated by arranging the rotating handle.

As a preferred implementation mode, the two connecting parts of the first installation frame and the second installation frame are respectively provided with an installation groove, and the two rotating wheels are respectively and rotatably installed in the two installation grooves.

By adopting the scheme, the two rotating wheels can be conveniently rotated by arranging the mounting groove, and a certain protection effect is achieved on the two rotating wheels.

As a preferred implementation mode, the impact piece is fixedly connected with a buffer ring, grooves are formed in two sides of the impact piece, and a limit column is fixedly connected in the impact piece.

By adopting the scheme, through the buffer ring, the impact force of the impact piece and the first installation frame during falling can be slowed down, and through the grooving and the limiting column, the impact piece can be conveniently placed in the impact piece.

As a preferred implementation mode, a through hole is formed in the center of the weighting piece, two limiting blocks are connected to the edge of the weighting piece, the position of the through hole on the weighting piece corresponds to the limiting column on the impact piece, and the position of the limiting block on the weighting piece corresponds to the position of the slot on the impact piece.

By adopting the scheme, the position of the weighting piece in the impact piece can be limited by arranging the through hole and the limiting block, and the weighting piece is prevented from falling off from the impact piece.

As a preferable implementation mode, two sides of the upper end of the weighting piece are connected with lifting seats, two rotating wheels are fixedly connected with lifting blocks, and the two lifting seats on the weighting piece correspond to the positions of the lifting blocks on the two rotating wheels respectively.

By adopting the scheme, through setting up lifting seat and lifting block, utilize the positional relationship of lifting seat and lifting block for the runner is when rotating, can lift the impact member with the lifting block.

Compared with the prior art, the utility model has the beneficial effects that:

according to the hardness detection device, the clamping mechanism is arranged, the concrete blocks are placed at the right angle of any clamping piece by utilizing the special shape of the two clamping pieces and the elasticity of the tension spring, the threaded ejector rod is rotated, when the threaded ejector rod is propped against the concrete blocks, the concrete blocks are gradually aligned, the two clamping pieces can clamp the concrete blocks, and the two sliding seats can slide, so that the hardness detection device can be suitable for the concrete blocks with different specifications;

this hardness detection device utilizes the elasticity of pressure spring to and the lifting block on the runner and the cooperation of the position of lifting seat on the impact member, when the motor drives the runner and rotate, the lifting block on the runner can jack up the impact member, and the pressure spring can be compressed at this moment, and in the moment that the lifting block breaks away from the lifting seat, the pressure spring can rebound, and the impact member can bump the concrete piece of below, and the force transducer of impact member bottom will measure the numerical value, just can carry out the test next time after the runner rotates the round back, but continuous measurement.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is a schematic view of the connection structure of the bearing seat and the threaded ejector rod of the present utility model;

FIG. 4 is a schematic view of the connection of the impact member and the buffer ring of the present utility model;

FIG. 5 is a schematic view of the structure of the weighting member of the present utility model;

FIG. 6 is a schematic view of the structure of the rotor of the present utility model.

In the figure: 1. a bearing seat; 2. a threaded ejector rod; 3. a slide bar; 4. a slide; 5. a clamping member; 6. a tension spring; 7. a mounting cylinder; 8. a first mounting frame; 9. a second mounting frame; 10. an impact member; 11. a weight; 12. a pressure spring; 13. a rotating wheel; 14. a motor; 15. protecting the head; 16. a rotating handle; 17. a mounting groove; 18. a buffer ring; 19. slotting; 20. a limit column; 21. a through hole; 22. a limiting block; 23. lifting the seat; 24. lifting blocks.

Detailed Description

Referring to fig. 1-6, the utility model provides a hardness detection device, which comprises a bearing seat 1, a clamping mechanism and a detection mechanism, wherein the clamping mechanism comprises a threaded ejector rod 2 and a sliding rod 3, the threaded ejector rod 2 is in threaded connection with one side edge of the bearing seat 1, the sliding rod 3 is fixedly connected with the other side edge of the bearing seat 1, two sliding seats 4 are slidably arranged on the sliding rod 3, clamping pieces 5 are rotatably arranged on the two sliding seats 4, a tension spring 6 is connected between the two clamping pieces 5, one end of the threaded ejector rod 2 is fixedly connected with a protection head 15, the other end of the threaded ejector rod 2 is fixedly connected with a rotating handle 16, the threaded ejector rod 2 can be prevented from being worn by concrete blocks by arranging the protection head 15, and the rotation of the threaded ejector rod 2 can be facilitated by arranging the rotating handle 16.

The detection mechanism comprises a first installation frame 8, installation barrels 7 are fixedly installed on the edges of two sides of the bearing seat 1, the first installation frame 8 is slidably installed between the two installation barrels 7, a second installation frame 9 is fixedly connected to the first installation frame 8, an impact piece 10 is slidably penetrated through the center of the first installation frame 8, a plurality of weighting pieces 11 are placed in the impact piece 10, a pressure spring 12 is fixedly connected to the lower surface of the second installation frame 9, the pressure spring 12 is located above the impact piece 10, rotating wheels 13 are rotatably installed on two side rods of the second installation frame 9, motors 14 are installed on two sides of the second installation frame 9, and output ends of the two motors 14 are respectively connected with center shafts of the two rotating wheels 13.

The mounting groove 17 has all been seted up to two junctions of first mounting bracket 8 and second mounting bracket 9, two runners 13 rotate respectively and install in two mounting grooves 17, through setting up mounting groove 17, can make things convenient for the rotation of two runners 13, and play certain guard action to two runners 13, fixedly connected with buffer ring 18 on the impact member 10, fluting 19 has all been seted up to the both sides of impact member 10, fixedly connected with spacing post 20 in the impact member 10, through setting up buffer ring 18, can slow down the impact force of impact member 10 with first mounting bracket 8 when the whereabouts, through setting up fluting 19 and spacing post 20, can conveniently add heavy member 11 and place in impact member 10.

The center of the weighting element 11 is provided with a through hole 21, the edge of the weighting element 11 is connected with two limiting blocks 22, the position of the through hole 21 on the weighting element 11 corresponds to the position of the limiting column 20 on the impact element 10, the position of the limiting block 22 on the weighting element 11 corresponds to the position of the slot 19 on the impact element 10, the position of the weighting element 11 in the impact element 10 can be limited by arranging the through hole 21 and the limiting block 22, the weighting element 11 is prevented from falling off from the impact element 10, the two sides of the upper end of the weighting element 11 are connected with lifting seats 23, the two rotating wheels 13 are fixedly connected with lifting blocks 24, the two lifting seats 23 on the weighting element 11 respectively correspond to the positions of the lifting blocks 24 on the two rotating wheels 13, and the position relation between the lifting seats 23 and the lifting blocks 24 is utilized by arranging the lifting seats 23 and the lifting blocks 24, so that the rotating wheels 13 can lift the impact element 10 when rotating.

When the device is used, according to the size of a concrete block, the positions of the two sliding seats 4 and the height of the first mounting frame 8 are adjusted, the concrete block is placed on the bearing seat 1, the motor 14 is started, the rotating wheel 13 is driven to rotate, the impact piece 10 is jacked up by the lifting block 24 due to the special shapes of the two clamping pieces 5 and the elasticity of the tension spring 6, when the threaded ejector rod 2 is rotated to enable the clamping pieces to abut against the concrete block, the concrete block can be gradually righted, the two clamping pieces 5 can be matched with the threaded ejector rod 2 to clamp the concrete block, the position of the concrete block can be fixed, the device can be suitable for fixing the concrete blocks with different specifications, the height of the first mounting frame 8 is properly adjusted during testing, the bottom end of the impact piece 10 is attached to the top surface of the concrete block, the motor 14 is started, the motor 14 can drive the rotating wheel 13 to rotate, the impact piece 10 is jacked up by the lifting block 24 on the rotating wheel 13, at the moment, the compression spring 12 can be compressed, the impact piece 10 can rebound towards the concrete block under the moment when the lifting block 24 is separated from the lifting seat 23, the moment, the impact piece 10 can be matched with the threaded ejector rod 2, the concrete block can be clamped, the impact piece 10 can be continuously tested, the impact piece 10 can be detected, and the weight can be continuously added into the rotating wheel 11 according to the requirement, and the weight can be measured, and the impact weight can be increased, and the impact weight can be measured continuously, and the impact piece can be measured, and the weight can be measured.

Claims

1. A hardness testing device, characterized in that: the device comprises a bearing seat (1), a clamping mechanism and a detection mechanism, wherein the clamping mechanism comprises a threaded ejector rod (2) and a sliding rod (3), the threaded ejector rod (2) is in threaded connection with one side edge of the bearing seat (1), the sliding rod (3) is fixedly connected with the other side edge of the bearing seat (1), two sliding seats (4) are slidably arranged on the sliding rod (3), clamping pieces (5) are rotatably arranged on the two sliding seats (4), and a tension spring (6) is connected between the two clamping pieces (5);

the detection mechanism comprises a first mounting frame (8), mounting barrels (7) are fixedly mounted on the edges of two sides of the bearing seat (1) which correspond to each other, the first mounting frame (8) is slidably mounted between the two mounting barrels (7), a second mounting frame (9) is fixedly connected to the first mounting frame (8), an impact piece (10) is slidably penetrated through the center of the first mounting frame (8), a plurality of weighting pieces (11) are placed in the impact piece (10), a pressure spring (12) is fixedly connected to the lower surface of the second mounting frame (9), the pressure spring (12) is located above the impact piece (10), rotating wheels (13) are rotatably mounted on two side rods of the second mounting frame (9), motors (14) are mounted on two sides of the second mounting frame (9), and output ends of the motors (14) are respectively connected with center shafts of the two rotating wheels (13).

2. A hardness testing device according to claim 1, wherein: one end of the threaded ejector rod (2) is fixedly connected with a protection head (15), and the other end of the threaded ejector rod (2) is fixedly connected with a rotating handle (16).

3. A hardness testing device according to claim 1, wherein: the two joints of the first mounting frame (8) and the second mounting frame (9) are respectively provided with a mounting groove (17), and the two rotating wheels (13) are respectively and rotatably mounted in the two mounting grooves (17).

4. A hardness testing device according to claim 1, wherein: the impact device is characterized in that a buffer ring (18) is fixedly connected to the impact piece (10), grooves (19) are formed in two sides of the impact piece (10), and a limiting column (20) is fixedly connected in the impact piece (10).

5. The hardness testing apparatus according to claim 4, wherein: the center of the weighting piece (11) is provided with a through hole (21), the edge of the weighting piece (11) is connected with two limiting blocks (22), the position of the through hole (21) on the weighting piece (11) corresponds to the limiting column (20) on the impact piece (10), and the position of the limiting block (22) on the weighting piece (11) corresponds to the position of the slot (19) on the impact piece (10).

6. A hardness testing device according to claim 1, wherein: lifting seats (23) are connected to two sides of the upper end of the weighting piece (11), lifting blocks (24) are fixedly connected to two rotating wheels (13), and the two lifting seats (23) on the weighting piece (11) correspond to the positions of the lifting blocks (24) on the two rotating wheels (13) respectively.