CN219870653U - A rebound meter for testing the compressive strength of concrete - Google Patents

Abstract

The utility model relates to the technical field of resiliometers and discloses a resiliometer for detecting the compressive strength of concrete, which comprises a resiliometer machine, wherein a hand-held mechanism is arranged on the upper side of the resiliometer machine, the left side of the resiliometer machine is connected with a limiting mechanism through a buffer mechanism, the limiting mechanism comprises a limiting slide ring, the middle part of the inner side of the limiting slide ring is fixedly connected with a limiting slide opening, the left end of a connecting rod is fixedly connected to the right side of a supporting ring, the buffer mechanism comprises a buffer cylinder, springs are fixedly connected to the inner part of the buffer cylinder, the left end of each spring is fixedly connected with a limiting slide rod, and the right side of the upper end of the resiliometer machine is fixedly connected with a limiting seat. According to the resiliometer for detecting the compressive strength of the concrete, the buffer mechanism is matched with the limiting mechanism, so that the resiliometer machine is kept perpendicular to the measured concrete wall when the resiliometer machine works, and the detection accuracy is better.

Description

A rebound meter for testing the compressive strength of concrete

Technical field

The utility model relates to the technical field of rebound meters, in particular to a rebound meter for detecting the compressive strength of concrete.

Background technique

The concrete rebound tester is a testing device suitable for testing the strength of general building components, bridges and various concrete components (plates, beams, columns, bridges). The main technical indicators include impact function; spring tension spring stiffness; The hammer stroke; the maximum static friction force of the pointer system and the average drilling rate.

In the existing technology, for example, the authorized Chinese patent document publication number is CN214794284U, which discloses a rebound hammer for detecting the compressive strength of concrete. It belongs to the technical field of rebound gauges and includes a rebound gauge body. The rebound gauge body There are several limit blocks fixedly connected to the outer surface of the sleeve, and the several limit blocks are respectively slidingly connected in several limit grooves. The several limit grooves are all opened on the inner wall of the sleeve. The inner wall of the sleeve is connected with the return The surface of the missile body is overlapped. This rebound meter for testing the compressive strength of concrete is provided with a horizontal plate and a leakage hole. Since the rebound meter uses sleeves and support rods to fix the rebound meter body, the rebound meter body can pass through the horizontal plate. Fixed horizontal impact on the wall or ground to be tested reduces the risk of data detection errors or damage to the internal components of the rebound instrument due to misalignment of the impact angle, and ensures that the rebound instrument can be installed on the wall On the surface, it improves the applicability of the hammer and ensures the accuracy of the testing data. However, the device uses glue to fix the hammer body. If the glue is too strong, it will make it more troublesome to dismantle later. If the glue is not firmly adhered, the rebound hammer body may fall off during the testing process, making it inconvenient to use.

Utility model content

The main purpose of this utility model is to provide a rebound meter for detecting the compressive strength of concrete, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical solution adopted by this utility model is:

A rebound tester for testing the compressive strength of concrete, including a rebound tester machine. A portable mechanism is provided on the upper side of the rebound tester machine. The left side of the rebound tester machine is connected to a limiting mechanism through a buffer mechanism. The limit mechanism includes a limit slide ring, the inner middle part of the limit slide ring is fixedly connected to the limit slide port, the left periphery of the limit slide ring is evenly distributed with connecting rods, and the left end of the connecting rod is evenly distributed. Fixedly connected to the right side of the support ring, the buffering mechanism includes a buffering cylinder, the inside of the buffering cylinder is fixedly connected with a spring, the left end of the spring is fixedly connected with a limited slide rod, and the upper end of the rebound meter machine is fixedly connected to the right side. The side is fixedly connected to the limited seat.

Preferably, the rebound gauge machine includes a rebound gauge body, a controller is fixedly connected to the right side of the upper end of the rebound gauge body, and support seats are fixedly connected to both sides of the middle part of the lower end of the rebound gauge body, so Limited chutes are evenly distributed around the left periphery of the rebound instrument body, and the controller is electrically connected to the rebound instrument body through wires.

Preferably, the outer periphery of the buffer tube is fixedly connected to the inner right side of the limiting chute, the right end of the limiting sliding rod is slidingly connected to the inner periphery of the buffering tube, and the left end of the limiting sliding rod is fixed. Connected to the right side of the limit slide.

Preferably, the outer periphery of the limiting slide opening is slidably connected to the inside of the limiting chute, and the outer periphery of the limiting sliding ring is slidably connected to the outer periphery of the rebound instrument body.

Preferably, the portable mechanism includes a portable lever, the left end of the portable lever is rotatably connected in the upper end opening of the rotating base, the outer periphery of the left end of the portable lever is fixedly connected with a support block, and a support block is distant from the support block. Torsion springs are fixedly connected to both sides, and connecting rings are fixedly connected to the outer periphery of both ends of the portable lever.

Preferably, the side of the torsion spring that is far away from each other is fixedly connected to the upper end of the side of the rotating base that is close to it. The lower end of the rotating base is fixedly connected to the front and rear sides of the middle part of the upper end of the rebound meter machine. The hand lever is The right end is snap-connected in the middle opening of the upper end of the limiting seat.

Compared with the existing technology, the utility model has the following beneficial effects:

1. Place the support ring against the concrete wall and the left end of the rebound hammer body against the concrete wall. Hold the hammer machine and start the hammer body through the controller. When the hammer body is working, an The vibration will drive the spring deformation through the limit slide rod, causing the limit slide rod to slide inside the buffer cylinder, and then slide inside the limit chute through the limit slide opening, and then make the rebound meter machine and the wall surface through the support ring Maintaining the vertical state, through the cooperation of the buffer mechanism and the limit mechanism, it is possible to maintain the verticality between the rebound meter machine and the measured concrete wall when the rebound hammer machine is working, and the detection accuracy is better.

2. When the use is completed, turn the portable lever to move the portable rebound tester machine. When it moves to the designated position, release the portable lever, and the torsion spring drives the portable lever to automatically return to the upper end of the limit seat. The upper end of the hammer hammer machine is equipped with a portable mechanism, making it easy to carry the hammer hammer machine.

Description of the drawings

Figure 1 is a three-dimensional schematic diagram of a rebound instrument for detecting the compressive strength of concrete according to the present invention;

Figure 2 is a three-dimensional schematic diagram of a rebound meter for detecting the compressive strength of concrete according to the present invention;

Figure 3 is a schematic cross-sectional perspective view of the limiting mechanism of a rebound instrument for detecting the compressive strength of concrete according to the present invention;

Figure 4 is an enlarged schematic diagram of position A in Figure 3 of a rebound instrument used to detect the compressive strength of concrete according to the present invention.

In the picture: 1. Rebound instrument machine; 11. Rebound instrument body; 12. Controller; 13. Support seat; 14. Limit chute; 2. Portable mechanism; 21. Rotating seat; 22. Portable rod; 23 , support block; 24. torsion spring; 25. connecting ring; 3. buffer mechanism; 31. buffer cylinder; 32. spring; 33. limit slide rod; 4. limit mechanism; 41. limit sliding ring; 42. Limit sliding mouth; 43. Connecting rod; 44. Support ring; 5. Limit seat.

Detailed ways

In order to make it easy to understand the technical means, creative features, objectives and effects of the present utility model, the present utility model will be further elaborated below in conjunction with specific implementation modes.

As shown in Figure 1-4, a rebound tester for testing the compressive strength of concrete includes a rebound tester machine 1. A portable mechanism 2 is provided on the upper side of the rebound tester machine 1. The left side of the rebound tester machine 1 passes through The buffer mechanism 3 is connected to the limiting mechanism 4. The limiting mechanism 4 includes a limiting sliding ring 41. The inner middle part of the limiting sliding ring 41 is fixedly connected to the limiting sliding opening 42. There are connections evenly distributed around the left periphery of the limiting sliding ring 41. The left ends of the rod 43 and the connecting rod 43 are fixedly connected to the right side of the support ring 44. The buffering mechanism 3 includes a buffering cylinder 31. A spring 32 is fixedly connected inside the buffering cylinder 31, and the left end of the spring 32 is fixedly connected to a limited sliding rod 33. , the upper right side of the rebound hammer machine 1 is fixedly connected to the limited seat 5.

In this embodiment, the rebound meter machine 1 includes a rebound meter body 11 , a controller 12 is fixedly connected to the right side of the upper end of the rebound meter body 11 , and a support base 13 is fixedly connected to both sides of the middle part of the lower end of the rebound meter body 11 . , the limited chute 14 is evenly distributed on the left periphery of the rebound instrument body 11, the controller 12 is electrically connected to the rebound instrument body 11 through wires, and the outer periphery of the buffer cylinder 31 is fixedly connected to the inner right side of the limiting chute 14 side, the outer periphery of the right end of the limit slide rod 33 is slidingly connected to the inner periphery of the buffer tube 31, the left end of the limit slide rod 33 is fixedly connected to the right side of the limit slide port 42, and the outer periphery of the limit slide port 42 is slidably connected. Inside the limiting chute 14 , the outer periphery of the limiting sliding ring 41 is slidingly connected to the outer periphery of the rebound meter body 11 .

Specifically, place the support ring 44 against the concrete wall, place the left end of the rebound meter body 11 against the concrete wall, hold the rebound meter machine 1, and start the rebound meter body 11 through the controller 12. When the hammer hammer When the main body 11 is working, the vibration generated will drive the spring 32 to deform through the limit slide rod 33, causing the limit slide rod 33 to slide inside the buffer tube 31, and then slide inside the limit chute 14 through the limit slide opening 42. , and then maintain the vertical state of the rebound meter machine 1 and the wall through the support ring 44. Through the cooperation of the buffer mechanism 3 and the limiting mechanism 4, it is possible to maintain the rebound meter machine 1 and the measured concrete when the rebound meter machine 1 is working. The verticality of the wall has better detection accuracy. Among them, the working principle of the rebound meter machine 1 is an existing technology and will not be described again here.

In this embodiment, the portable mechanism 2 includes a portable lever 22. The left ends of the portable lever 22 are rotatably connected to the upper end opening of the rotating base 21. The outer periphery of the left end of the portable lever 22 is fixedly connected with a support block 23. The support blocks 23 are spaced apart from each other. A torsion spring 24 is fixedly connected to one side, and a connecting ring 25 is fixedly connected to the periphery of both ends of the portable lever 22. The side of the torsion spring 24 that is far away is fixedly connected to the upper end of the side of the rotating base 21 that is close to the rotating base 21. The lower ends are fixedly connected to the front and rear sides of the upper middle part of the rebound tester machine 1, and the right end of the hand lever 22 is snap-connected to the upper middle opening of the limiter seat 5.

Specifically, when the use is completed, the portable rebound tester machine 1 can be moved by turning the portable lever 22. After moving to the designated position, release the portable lever 22, and the torsion spring 24 drives the portable lever 22 to automatically return to the limit position. The upper end of the seat 5 is provided with a portable mechanism 2 on the upper end of the hammer hammer machine 1, thereby making it easy to carry the hammer hammer machine 1.

working principle:

First, place the support ring 44 against the concrete wall, and place the left end of the rebound meter body 11 against the concrete wall. Hold the hammer machine 1 and start the hammer body 11 through the controller 12. When the hammer body 11 11 When working, the generated vibration will drive the spring 32 to deform through the limit slide rod 33, causing the limit slide rod 33 to slide inside the buffer tube 31, and then slide inside the limit chute 14 through the limit slide opening 42. Furthermore, the rebound meter machine 1 is kept vertical to the wall through the support ring 44, and through the cooperation of the buffer mechanism 3 and the limiting mechanism 4, it is possible to maintain the rebound meter machine 1 and the measured concrete wall when the rebound meter machine 1 is working. The verticality of the body is better, and the detection accuracy is better. When the use is completed, turn the portable lever 22, and the portable rebound tester machine 1 can be moved. When it moves to the designated position, release the portable lever 22 and drive it through the torsion spring 24 The portable rod 22 automatically returns to the upper end of the limiter seat 5. By arranging the portable mechanism 2 on the upper end of the hammer hammer machine 1, the hammer hammer machine 1 can be easily carried.

The basic principles and main features of the present utility model and the advantages of the present utility model are shown and described above. Those skilled in the industry should understand that the present utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model can be There will also be various changes and improvements in the new model, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a detect resiliometer of concrete compressive strength, includes resiliometer machine (1), its characterized in that: the upper side of resiliometer machine (1) is provided with portable mechanism (2), the left side of resiliometer machine (1) is connected with stop gear (4) through buffer gear (3), stop gear (4) are including spacing slide ring (41), the inboard middle part of spacing slide ring (41) is all fixedly connected with spacing smooth mouth (42), the left side periphery evenly distributed of spacing slide ring (41) has connecting rod (43), the right side of the equal fixedly connected with of left end at backup ring (44) of connecting rod (43), buffer gear (3) are including buffer tube (31), the inside of buffer tube (31) is all fixedly connected with spring (32), the left end fixedly connected with spacing slide bar (33) of spring (32), the upper end right side fixedly connected with spacing seat (5) of resiliometer machine (1).

2. A resiliometer for detecting compressive strength of concrete according to claim 1, wherein: the resiliometer machine (1) comprises a resiliometer body (11), a controller (12) is fixedly connected to the right side of the upper end of the resiliometer body (11), supporting seats (13) are fixedly connected to two sides of the middle of the lower end of the resiliometer body (11), limiting sliding grooves (14) are uniformly distributed in the periphery of the left side of the resiliometer body (11), and the controller (12) is electrically connected with the resiliometer body (11) through wires.

3. A resiliometer for detecting compressive strength of concrete according to claim 1, wherein: the outer periphery of the buffer cylinder (31) is fixedly connected to the inner right side of the limit sliding groove (14), the outer periphery of the right end of the limit sliding rod (33) is slidably connected to the inner periphery of the buffer cylinder (31), and the left end of the limit sliding rod (33) is fixedly connected to the right side of the limit sliding opening (42).

4. A resiliometer for detecting compressive strength of concrete according to claim 1, wherein: the outer Zhou Jun of the limiting sliding opening (42) is in sliding connection with the inner part of the limiting sliding groove (14), and the outer Zhou Jun of the limiting sliding ring (41) is in sliding connection with the outer periphery of the resiliometer body (11).

5. A resiliometer for detecting compressive strength of concrete according to claim 1, wherein: the portable mechanism (2) comprises a portable rod (22), the left end of the portable rod (22) is rotationally connected in an upper end opening of a rotating seat (21), a supporting block (23) is fixedly connected to the periphery of the left end of the portable rod (22), a torsion spring (24) is fixedly connected to one side, away from the supporting block (23), of the portable rod, and a connecting ring (25) is fixedly connected to the periphery of the two ends of the portable rod (22).

6. The resiliometer for detecting compressive strength of concrete according to claim 5, wherein: the side that torsional spring (24) kept away from mutually is all fixed connection in the one side upper end that roating seat (21) is close to mutually, the lower extreme of roating seat (21) is all fixed connection in the upper end middle part front and back side of resiliometer machine (1), the right-hand member block of portable pole (22) is connected in the upper end middle part opening of spacing seat (5).