CN218823732U

CN218823732U - Concrete resiliometer

Info

Publication number: CN218823732U
Application number: CN202223150517.8U
Authority: CN
Inventors: 于成; 苏健; 石磊; 张昕伟; 刘鹏; 王红媛
Original assignee: Beikan Dalian Engineering Co ltd
Current assignee: Beikan Dalian Engineering Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-04-07
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to the technical field of building construction, in particular to a concrete resiliometer which can perform rebound detection on concrete walls with different inclination angles, and has the advantages of convenient use, low limitation and high practicability; the device comprises a moving vehicle and a receiver, wherein the receiver is arranged at the upper end of the moving vehicle; still include two sets of extension boards, including a motor, an end cap, a controller, and a cover plate, the pivot, the connecting plate, backup pad and resilient mounting, two parts around the locomotive are installed respectively to two sets of extension boards, motor fixed mounting is at the rear portion of locomotive, be provided with the reduction gear on the motor, the pivot is rotated and is installed on two sets of extension boards, the rear end of pivot is connected with the output of motor, the backup pad passes through connecting plate fixed mounting in the pivot upper end, resilient mounting installs in the connecting plate upper end, resilient mounting is used for striking concrete wall, resilient mounting is connected with the receiver.

Description

Concrete resiliometer

Technical Field

The utility model relates to a technical field of construction especially relates to a concrete resiliometer.

Background

After the construction of the pouring type concrete wall is completed, a concrete rebound instrument is used for testing the strength of the concrete wall by using a rebound method. The basic principle of the rebound method is that a heavy hammer driven by a spring is used for bouncing the surface of the concrete through a transmission rod of a bouncing rod, the rebound distance of the heavy hammer is measured, and the ratio of the rebound distance of a rebound value to the initial length of the spring is used as an index related to the strength to estimate the strength of the concrete.

In the prior art, a concrete resiliometer with the patent application number of "CN201921130422.5" has a main structure of a base and a concrete resiliometer body, wherein an upright post is arranged at the upper end of the base, a sliding plate is connected to the upright post in a sliding manner, a first spring is sleeved on the upright post, an LED illuminating lamp is arranged on the outer side of the sliding plate, an elastic chuck is arranged at the lower end of the LED illuminating lamp, the outer surface of the elastic chuck is connected into the base in a sliding manner through an elastic clamping groove, a hinge seat is arranged on the outer side of the upright post, and a graduated scale is hinged to the hinge seat; when the device is used, the concrete rebound instrument is close to a concrete wall to be tested, and then the concrete rebound instrument impacts the concrete wall to be tested.

It discovers in the use, the surface that plays the concrete wall of pouring of supporting role generally is perpendicular and ground, and the concrete wall surface of decorating and pleasing to the eye effect a bit is the slope, and concrete resiliometer is when testing concrete wall's intensity, the direction that needs make the striking wall is perpendicular with the wall, and the inconvenient angle of adjusting concrete resiliometer of above-mentioned device, so it can't kick-back the detection to the concrete wall of different angles, lead to it to use inconveniently, use the limitation height, the practicality is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can carry out resilience detection to different inclination's concrete wall, convenient to use, the limitation is low, the concrete resiliometer that the practicality is high.

The utility model discloses a concrete resiliometer, which comprises a moving vehicle and a receiver, wherein the receiver is arranged at the upper end of the moving vehicle; the concrete wall impact-resistant device is characterized by further comprising two groups of supporting plates, a motor, a rotating shaft, a connecting plate, supporting plates and a rebounding device, wherein the two groups of supporting plates are respectively arranged at the front part and the rear part of the moving vehicle; firstly, moving a moving vehicle, moving the moving vehicle to the position near a concrete wall to be detected, then, turning on a motor, driving a rotating shaft to rotate by the motor, enabling a supporting plate to drive a resiliometer to rotate by the rotating shaft through a connecting plate, enabling the rotating shaft to drive the rotating shaft to move through two groups of supporting plates until the impact direction of the resiliometer is vertical to the concrete wall, then, moving the moving vehicle, enabling a rebounding device to be in contact with the concrete wall through the connecting plate by the rotating shaft, then, turning on the rebounding device, enabling the rebounding device to start impacting the concrete wall, enabling the rebounding device to generate a data transmission receiver when impacting the concrete wall, and enabling the receiver to estimate the strength of the concrete wall according to data transmitted back by the rebounding device; because resilient mounting can rotate, its direction that can adjust the striking according to the angle of concrete wall can be to different inclination's concrete wall resilience detection, convenient to use, and the limitation is low, and the practicality is high.

Preferably, the rebounding device comprises a pushing-back device, a vertical plate, two groups of fixing rods, a sliding plate, a spring, an impact rod, an impact block, a reflector plate and a laser range finder, wherein the vertical plate is fixedly arranged at the upper end of the supporting plate, the two groups of fixing rods are fixedly arranged on the vertical plate, the sliding plate is slidably arranged on the two groups of fixing rods left and right, the left end and the right end of the spring are respectively and fixedly arranged on the sliding plate and the vertical plate, the impact rod is fixedly arranged at the left end of the sliding plate, the impact block is fixedly arranged at the left end of the impact rod, the reflector plate is fixedly arranged at the lower end of the sliding plate, the laser range finder is fixedly arranged on the vertical plate, the laser range finder impacts the reflector plate, the laser range finder is connected with the receiver, the pushing-back device is arranged on the supporting plate, and the pushing-back device is used for pushing the sliding plate rightwards; when the concrete wall is impacted, firstly, the sliding direction of the sliding plate is adjusted to be perpendicular to the concrete wall, then the impact block is contacted with the concrete wall, then the sliding plate is moved rightwards through the pushing back device, the sliding plate drives the reflector plate to move rightwards, meanwhile, the sliding plate compresses a spring, a laser range finder is opened simultaneously, the laser range finder detects the distance between the laser range finder and the reflector plate and transmits distance data to a receiver, after the pushing back device pushes the sliding plate rightwards to a certain distance, the laser range finder detects the distance between the reflector plate and the laser range finder at the moment and transmits the distance data to the receiver to be marked as L1, then the pushing back device is closed, the sliding plate is rapidly moved leftwards due to the elasticity of the spring, the sliding plate enables the impact block to impact the concrete wall leftwards through the impact rod, the impact block rebounds rightwards after the impact force of a part of the impact block is absorbed by the concrete wall, the impact block drives the sliding plate to move rightwards through the impact rod, the laser range finder records the distance between the laser range finder and transmits the distance data between the reflector plate and the receiver to move rightwards, and the L2 can be marked as the value of the L2 after the impact force of the concrete wall is reflected by the pushing back rightwards; the strength detection to the concrete wall is facilitated, the use is convenient, and the reliability is high.

Preferably, the pushing device comprises a lifting device, an electric sliding rail, a sliding block, a fixed block and a roller, the electric sliding rail is mounted on the supporting plate through the lifting device, the lifting device is used for adjusting the height of the electric sliding rail, the sliding block is mounted on the electric sliding rail, the fixed block is fixedly mounted at the lower end of the sliding block, the roller is rotatably mounted on the fixed block, and the electric sliding rail is used for moving the sliding block left and right; when the sliding plate is pushed rightwards, firstly, the electric sliding rail drives the sliding block and the fixed block to descend through the lifting device, the fixed block drives the roller to descend until the roller descends to be as high as the upper part of the sliding plate, then the electric sliding rail is opened, the electric sliding rail drives the fixed block to drive the roller to move rightwards through the sliding block, the roller is in contact with the upper part of the sliding plate in the process of moving rightwards, the roller pushes the sliding plate rightwards, after the sliding plate pushes rightwards to a specified distance, the electric sliding rail drives the sliding block and the fixed block to ascend through the lifting device, and the fixed block drives the roller to ascend to the upper part of the sliding plate, so that the sliding plate can move leftwards quickly under the action of spring force; the movement of the sliding plate is facilitated.

Preferably, the lifting device comprises a support frame, an air cylinder and a push rod, the support frame is fixedly arranged at the upper end of the supporting plate, the air cylinder is fixedly arranged at the upper end of the support frame, the push rod is vertically and slidably arranged on the support frame, the upper end of the push rod is in contact with the output end of the air cylinder, and the electric slide rail is fixedly arranged at the lower end of the push rod; when the height of the electric sliding rail is adjusted, the air cylinder is opened, and the air cylinder enables the electric sliding rail to adjust the height through the push rod.

Preferably, the device also comprises scales and a pointer, the scales are arranged on the support plate on the front side, the pointer is fixedly arranged at the front part of the rotating shaft, and the pointer points to the scales; when the rotating shaft rotates, the rotating shaft drives the pointer to rotate, the rotating angle of the rotating shaft can be known through the numerical value of the pointer pointing to the scale, and the rotating angle of the rotating shaft can be conveniently monitored.

Preferably, the motor has angle self-locking capability; through the arrangement, the control of the rotation angle of the rotating shaft by the motor is facilitated, and the reliability is improved.

Preferably, the left parts of the two groups of fixed rods are provided with limit blocks; through the arrangement, the sliding plate is prevented from sliding on the two groups of fixing rods in an overtravel manner, and the reliability in the use process is improved.

Compared with the prior art, the beneficial effects of the utility model are that: can be according to the direction of the angle modulation striking piece striking of concrete wall, can kick-back the detection to different inclination's concrete wall, convenient to use, the limitation is low, and the practicality is high.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural diagram of a support plate, a motor and the like;

FIG. 3 is a schematic structural diagram of a support frame, a push rod, a motor-driven slide rail and the like;

FIG. 4 is a schematic view of the structure of a spring, a striking block, a striking rod, etc.;

in the drawings, the reference numbers: 1. a moving vehicle; 2. a receiver; 3. a support plate; 4. a motor; 5. a rotating shaft; 6. a connecting plate; 7. a support plate; 8. a vertical plate; 9. fixing the rod; 10. a sliding plate; 11. a spring; 12. a striker bar; 13. an impact block; 14. a reflective sheet; 15. a laser range finder; 16. an electric slide rail; 17. a slider; 18. a fixed block; 19. a roller; 20. supporting a frame; 21. a cylinder; 22. a push rod; 24. calibration; 25. a pointer; 26. a concrete wall.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As shown in fig. 1 to 4, the utility model discloses a concrete resiliometer includes locomotive 1, the receiver 2, two sets of extension boards 3, motor 4, pivot 5, connecting plate 6, backup pad 7 and resilient mounting, receiver 2 installs in locomotive 1 upper end, two parts around locomotive 1 are installed respectively to two sets of

extension boards

3, 4 fixed mounting at the rear portion of locomotive 1 of motor, be provided with the reduction gear on the motor 4, pivot 5 rotates and installs on two sets of extension boards 3, the rear end of pivot 5 is connected with motor 4's output, backup pad 7 passes through 6 fixed mounting of connecting plate in 5 upper ends of pivot, resilient mounting is installed in 6 upper ends of connecting plate, resilient mounting is used for striking concrete wall, resilient mounting is connected with receiver 2.

As shown in fig. 3 and 4, the rebounding device includes a pushing device, a vertical plate 8, two sets of fixing rods 9, a sliding plate 10, a spring 11, a striking rod 12, a striking block 13, a reflection sheet 14 and a laser range finder 15, the vertical plate 8 is fixedly mounted at the upper end of a supporting plate 7, the two sets of fixing rods 9 are both fixedly mounted on the vertical plate 8, the sliding plate 10 is slidably mounted on the two sets of fixing rods 9 left and right, the left end and the right end of the spring 11 are respectively fixedly mounted on the sliding plate 10 and the vertical plate 8, the striking rod 12 is fixedly mounted at the left end of the sliding plate 10, the striking block 13 is fixedly mounted at the left end of the striking rod 12, the reflection sheet 14 is fixedly mounted at the lower end of the sliding plate 10, the laser range finder 15 is fixedly mounted on the vertical plate 8, the laser range finder 15 impacts the reflection sheet 14, the laser range finder 15 is connected with the receiver 2, the pushing device is mounted on the supporting plate 7, and the pushing device is used for pushing the sliding plate 10 right.

The back pushing device comprises a supporting frame 20, a cylinder 21, a push rod 22, an electric sliding rail 16, a sliding block 17, a fixed block 18 and a roller 19, wherein the sliding block 17 is installed on the electric sliding rail 16, the fixed block 18 is fixedly installed at the lower end of the sliding block 17, the roller 19 is rotatably installed on the fixed block 18, the electric sliding rail 16 is used for moving the sliding block 17 left and right, the supporting frame 20 is fixedly installed at the upper end of the supporting plate 7, the cylinder 21 is fixedly installed at the upper end of the supporting frame 20, the push rod 22 is vertically and slidably installed on the supporting frame 20, the upper end of the push rod 22 is in contact with the output end of the cylinder 21, and the electric sliding rail 16 is fixedly installed at the lower end of the push rod 22.

The utility model discloses a concrete resiliometer, it is at work, at first remove locomotive 1, locomotive 1 removes near the concrete wall 26 that awaits measuring, later open motor 4, motor 4 drives pivot 5 rotatory, pivot 5 makes backup pad 7 rotatory through connecting plate 6, backup pad 7 makes dead lever 9 drive sliding plate 10 rotatory through riser 8, sliding plate 10 makes striking block 13 rotatory through striking rod 12, the slip direction to sliding plate 10 is perpendicular with concrete wall 26, later make sliding plate 10 move to the right through the thrust back device, sliding plate 10 drives reflector plate 14 and moves to the right, sliding plate 10 compression spring 11 simultaneously, open laser range finder 15 simultaneously, laser range finder 15 detects the distance with reflector plate 14 between, and with distance data transmission to receiver 2, after thrust back device pushes sliding plate 10 to certain distance to the right, the laser range finder 15 detects the distance between the reflector plate 14 and the laser range finder 15 at this time, and transmits distance data to the receiver 2 and marks the distance data as L1, then the pushing back device is closed, the sliding plate 10 is rapidly moved leftwards due to the elastic force of the spring 11, the sliding plate 10 causes the impact block 13 to impact the concrete wall 26 leftwards through the impact rod 12, after the concrete wall 26 absorbs a part of the impact force of the impact block 13, the impact block 13 rebounds rightwards, the impact block 13 causes the sliding plate 10 to drive the reflector plate 14 to move rightwards through the impact rod 12, the laser range finder 15 records the distance between the laser range finder 15 and the reflector plate 14, when the sliding plate 10 rebounds rightwards to the rightmost end, the laser range finder 15 transmits the distance data between the laser range finder 15 and the reflector plate 14 at this time to the receiver 2 and marks the distance as L2, and then the strength of the concrete wall 26 can be calculated through the values of L1 and L2; can rotate sliding plate 10, make sliding plate 10's slip direction and concrete wall 26 perpendicular, it can be according to the direction that concrete wall 26's angle modulation striking piece 13 struck, can carry out the resilience to different inclination's concrete wall 26 and detect, convenient to use, the limitation is low, and the practicality is high.

When the push-back device is used, when the sliding plate 10 is pushed rightwards, firstly, the push rod 22 drives the electric sliding rail 16 to descend through the air cylinder 21, the electric sliding rail 16 drives the sliding block 17 and the fixed block 18 to descend, the fixed block 18 drives the roller 19 to descend until the roller 19 descends to the same height as the upper part of the sliding plate 10, then the electric sliding rail 16 is opened, the electric sliding rail 16 drives the roller 19 to move rightwards through the sliding block 17, the roller 19 is in contact with the upper part of the sliding plate 10 in the process of moving rightwards, the roller 19 pushes the sliding plate 10 rightwards until the sliding plate 10 is pushed rightwards to a specified distance, the electric sliding rail 16 drives the sliding block 17 and the fixed block 18 to ascend through the air cylinder 21 and the push rod 22, the fixed block 18 drives the roller 19 to ascend to the sliding plate 10, and the sliding plate 10 is enabled to move leftwards rapidly under the action of the elastic force of the spring 11; movement of the slide plate 10 is facilitated.

It needs to be added that: the sliding direction of the sliding plate 10 is perpendicular to the left end face of the impact block 13, and the sliding direction of the sliding plate 10 is determined to be perpendicular to the concrete wall 26 by bringing the left end face of the impact block 13 into close contact with the concrete wall 26 and observing whether there is a gap between the impact block 13 and the concrete wall 26.

The utility model discloses a locomotive 1, receiver 2, impact bar 12, reflector plate 14, laser range finder 15, electronic slide rail 16, cylinder 21 and pointer 25 of concrete resiliometer are purchase on the market, this industry technical staff only need according to its subsidiary specification install and operate can, and need not the technical staff in this field and pay out creative work.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A concrete resiliometer comprises a moving vehicle (1) and a receiver (2), wherein the receiver (2) is arranged at the upper end of the moving vehicle (1); the concrete wall impact resilience device is characterized by further comprising two groups of support plates (3), a motor (4), a rotating shaft (5), a connecting plate (6), a support plate (7) and a resilience device, the two groups of support plates (3) are respectively installed at the front part and the rear part of the moving vehicle (1), the motor (4) is fixedly installed at the rear part of the moving vehicle (1), a speed reducer is arranged on the motor (4), the rotating shaft (5) is rotatably installed on the two groups of support plates (3), the rear end of the rotating shaft (5) is connected with the output end of the motor (4), the support plate (7) is fixedly installed at the upper end of the rotating shaft (5) through the connecting plate (6), the resilience device is installed at the upper end of the connecting plate (6), and is used for impacting a concrete wall and is connected with the receiver (2).

2. The concrete rebound instrument as claimed in claim 1, wherein the rebound device comprises a push back device, a vertical plate (8), two sets of fixing rods (9), a sliding plate (10), a spring (11), impact rods (12), impact blocks (13), a reflection sheet (14) and a laser range finder (15), the vertical plate (8) is fixedly mounted at the upper end of the support plate (7), the two sets of fixing rods (9) are fixedly mounted on the vertical plate (8), the sliding plate (10) is slidably mounted on the two sets of fixing rods (9) from left to right, the left end and the right end of the spring (11) are respectively fixedly mounted on the sliding plate (10) and the vertical plate (8), the impact rods (12) are fixedly mounted at the left end of the sliding plate (10), the impact blocks (13) are fixedly mounted at the left end of the impact rods (12), the reflection sheet (14) is fixedly mounted at the lower end of the sliding plate (10), the laser range finder (15) is fixedly mounted on the vertical plate (8), the laser range finder (15) faces the reflection sheet (14), the laser range finder (15) is connected with the receiver (2), the push back device is mounted on the support plate (7), and the push back device is used for pushing the sliding plate (10) from right.

3. The concrete rebound instrument according to claim 2, wherein the pushing back device comprises a lifting device, an electric sliding rail (16), a sliding block (17), a fixed block (18) and a roller (19), the electric sliding rail (16) is mounted on the support plate (7) through the lifting device, the lifting device is used for adjusting the height of the electric sliding rail (16), the sliding block (17) is mounted on the electric sliding rail (16), the fixed block (18) is fixedly mounted at the lower end of the sliding block (17), the roller (19) is rotatably mounted on the fixed block (18), and the electric sliding rail (16) is used for moving the sliding block (17) left and right.

4. The concrete rebound instrument according to claim 3, wherein the lifting device comprises a support frame (20), a cylinder (21) and a push rod (22), the support frame (20) is fixedly installed at the upper end of the support plate (7), the cylinder (21) is fixedly installed at the upper end of the support frame (20), the push rod (22) is vertically and slidably installed on the support frame (20), the upper end of the push rod (22) is in contact with the output end of the cylinder (21), and the electric slide rail (16) is fixedly installed at the lower end of the push rod (22).

5. A concrete rebound instrument as set forth in claim 1, further comprising a scale (24) and a pointer (25), the front support plate (3) being provided with the scale (24), the pointer (25) being fixedly mounted on the front portion of the rotating shaft (5), the pointer (25) pointing to the scale (24).

6. A concrete rebound according to claim 1, wherein the motor (4) is a motor with angular self-locking capability.

7. A concrete rebound instrument as set forth in claim 2, wherein the left parts of the two sets of fixing rods (9) are provided with a stopper.