CN210923350U - A kind of concrete impact resistance test device - Google Patents

Abstract

The utility model discloses a concrete impact resistance test device, which comprises a base, the base is in a rectangular structure, a mounting seat is fixedly installed on the top outer wall of the base, and brackets are fixedly installed on the outer walls of the base close to both sides of the mounting seat. , and the bracket has a U-shaped structure, the front outer wall of the bracket is provided with a viewing window, and the front outer wall of the viewing window is provided with equidistantly distributed scales, the inner walls of both sides of the mounting seat are provided with clamping components, and the bracket A moving board is movably connected to the inside of the mobile board, and the specifications of the moving board are adapted to the specifications of the bracket. The utility model can effectively clamp and fix the concrete, so that the concrete is more stable and reliable during the test process, the accuracy of the test data is improved, the operation is simple and convenient, and the efficiency of the concrete test is improved, so that the The test data has more reference significance, and at the same time improves the accuracy of the data and reduces the test error.

Description

A kind of concrete impact resistance test device

technical field

The utility model relates to the technical field of concrete impact resistance test, in particular to a concrete impact resistance test device.

Background technique

Concrete, abbreviated as "concrete": refers to a general term for engineering composite materials that are cemented into a whole by cementing materials. The term concrete usually refers to cement concrete as cementing material, sand and stone as aggregate; cement concrete mixed with water in a certain proportion and stirred, also known as ordinary concrete, which is widely used in civil engineering. The ram impact resistance of concrete is an important aspect to evaluate the dynamic performance of concrete. In airport runways, highway pavements, bridge decks and even modern protective structure projects with impact resistance, explosion resistance and earthquake resistance, higher requirements are put forward for the impact resistance of concrete.

The existing concrete impact resistance test device is composed of a flat steel plate base and a drop weight. Since the experimenter uses a manual drop weight in the operation process, the height, initial speed and movement trajectory of the drop weight are prone to deviation. Concrete cannot be fixed, causing experimental errors and affecting the accuracy of test data. Therefore, it is urgent to design a concrete impact resistance test device to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the utility model is to solve the defect in the prior art that the concrete cannot be fixed during the test process, which causes experimental errors and affects the accuracy of the test data, and proposes a concrete impact resistance test device.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A concrete impact resistance test device includes a base, the base is in a rectangular structure, and a mounting seat is fixedly installed on the top outer wall of the base, and brackets are fixedly installed on the outer walls on both sides of the base close to the mounting seat, and the brackets are U-shaped. type structure, the front outer wall of the bracket is provided with a viewing window, and the front outer wall of the viewing window is provided with equidistantly distributed scales, the inner walls of both sides of the mounting seat are provided with clamping components, and the inner wall of the bracket is movably connected with A moving plate, the specifications of the moving plate are adapted to the specifications of the bracket, and a through hole is opened at the axis of the moving plate, and a guide cylinder is fixedly installed on the inner wall of the through hole, and the size of the guide cylinder is the same as that of the through hole. match the specifications.

The key idea of the above technical solution is: when the concrete is placed inside the mounting seat, the clamping block pushes the clamping rod to move the clamping block to both sides through the action of the return spring, and simultaneously the outer wall of the clamping block is provided with a The sawtooth can effectively clamp and fix the concrete, so that the concrete is more stable and reliable during the test, and the accuracy of the test data is improved.

Further, the clamping assembly includes a limit sleeve, the limit sleeve is fixed on the inner walls on both sides of the mounting seat, and a return spring is arranged inside the limit sleeve, and the top end of the return spring is in contact with each other. There is a clamping rod, and the clamping rod is in a T-shaped structure. The top of the clamping rod is fixedly installed with a clamping block, and the specifications of the clamping block are adapted to the specifications of the mounting seat. The top of the clamping block is The outer wall is provided with serrations distributed at equal distances, and the clamping block is movably connected to the bottom inner wall of the mounting seat.

Further, the first motor is fixedly installed on both sides of the inner wall of the bottom of the base by bolts, and the output end of the first motor is fixedly connected with a screw rod through a coupling, the screw rod is located at the inner axis of the bracket, and the moving plate is It is threadedly connected with the screw rod, a limiting component is arranged on the outer wall of the bottom side of the guide cylinder, and a steel ball is placed inside the guide cylinder.

Further, the limit assembly includes a second motor, the second motor is fixedly installed inside the moving plate, and the output end of the second motor is keyed with a driving gear, and the bottom outer wall of the driving gear is meshed with a rack. , and one end of the rack close to the guide cylinder is fixedly connected to the limiting plate.

Further, the limit plate is adapted to the specification of the guide cylinder, and the limit plate is movably connected inside the guide cylinder.

The beneficial effects of the present utility model are:

1. Through the set clamping assembly, when the concrete is placed inside the mounting seat, the clamping block pushes the clamping rod through the action of the return spring to realize the movement of the clamping block to both sides. At the same time, the outer wall of the clamping block is opened. There are serrations, which can effectively clamp and fix the concrete, so that the concrete is more stable and reliable during the test, and the accuracy of the test data is improved.

2. Through the set limit component, when the second motor rotates, the driving gear is driven to rotate, and when the driving gear rotates, the rack is driven to displace, so that the steel ball placed on the limit plate falls, and the driving gear and the limit The cooperation of the position plate and the rack drives the limit plate out of the socket, which is simple and convenient to operate and improves the efficiency of concrete testing.

3. Through the set window and scale, when the first motor is working, the screw is driven to rotate, thereby driving the moving plate connected with the screw thread to move up and down, and the moving plate can be lifted to different positions according to the window and scale. The impact resistance test makes the test data more meaningful, improves the accuracy of the data, and reduces the test error.

Description of drawings

Fig. 1 is the structural representation of a kind of concrete impact resistance test device proposed by the utility model;

Fig. 2 is the sectional structure schematic diagram of a kind of concrete impact resistance test device proposed by the utility model;

3 is a schematic structural diagram of a limit component of a concrete impact resistance test device proposed by the utility model;

FIG. 4 is a schematic structural diagram of a clamping component of a concrete impact resistance test device proposed by the utility model.

In the figure: 1 base, 2 bracket, 3 window, 4 scale, 5 mounting seat, 6 clamping assembly, 7 moving plate, 8 through hole, 9 guide cylinder, 10 limit sleeve, 11 return spring, 12 clamping rod , 13 clamping block, 14 sawtooth, 15 first motor, 16 screw rod, 17 steel ball, 18 limit assembly, 19 limit plate, 20 rack, 21 driving gear, 22 second motor.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may also be a centered component. When a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a co-existence of an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to Fig. 1 to Fig. 4 at the same time, a concrete impact resistance test device includes a base 1, the base 1 has a rectangular structure, and a mounting seat 5 is fixedly installed on the top outer wall of the base 1, and the base 1 is close to the two sides of the mounting seat 5. The outer walls are fixedly installed with brackets 2, and the brackets 2 are in a U-shaped structure. The front outer wall of the bracket 2 is provided with a viewing window 3, and the front outer wall of the viewing window 3 is provided with equidistantly distributed scales 4. The inner walls on both sides of the mounting seat 5 A clamping assembly 6 is provided on the upper, and a moving plate 7 is movably connected to the inside of the bracket 2. The specifications of the moving plate 7 are adapted to the specifications of the bracket 2, and a through hole 8 is opened at the axis of the moving plate 7. The through hole A guide cylinder 9 is fixedly installed on the inner wall of 8, and the specifications of the guide cylinder 9 are adapted to the specifications of the through hole 8. The setting of the guide cylinder 9 makes the height, initial speed and movement trajectory of the steel ball 17 more accurate, thereby improving the the accuracy of the test data.

As can be seen from the above description, the utility model has the following beneficial effects: when the concrete is placed inside the mounting seat, the clamping block pushes the clamping rod to move the clamping block to both sides through the action of the reset spring, and simultaneously the clamping block There are serrations on the outer wall of the tester, which can effectively clamp and fix the concrete, so that the concrete is more stable and reliable during the test process, and the accuracy of the test data is improved; the first motor drives the work process. The screw rotates to drive the moving plate connected to the screw thread to move up and down. The moving plate can be lifted to different positions according to the window and scale to test the impact resistance of the concrete, which makes the test data more meaningful and improves the data. accuracy and reduce experimental error.

Further, the clamping assembly 6 includes a limit sleeve 10, the limit sleeve 10 is fixed on the inner walls on both sides of the mounting seat 5, and a return spring 11 is arranged inside the limit sleeve 10, and the top of the return spring 11 is attached to the inner wall of the mounting seat 5. There is a clamping rod 12, and the clamping rod 12 has a T-shaped structure. The top end of the clamping rod 12 is fixedly installed with a clamping block 13, and the specification of the clamping block 13 is adapted to the specification of the mounting seat 5. The top outer wall of the block 13 is provided with serrations 14 distributed at equal distances, and the clamping block 13 is movably connected to the bottom inner wall of the mounting seat 5. The setting of the clamping assembly 6, when the concrete 5 is placed inside the mounting seat 5, The clamping block 13 pushes the clamping rod 12 through the action of the reset spring 11 to realize the movement of the clamping block 13 to both sides. At the same time, the outer wall of the clamping block 13 is provided with serrations 14, which can effectively clamp and fix the concrete. Therefore, the concrete is more stable and reliable during the test process, and the accuracy of the test data is improved.

Further, the first motor 15 is fixedly installed on both sides of the inner wall of the bottom of the base 1 by bolts, and the output end of the first motor 15 is fixedly connected with a screw 16 through a coupling, and the screw 16 is located at the inner axis of the bracket 2, and The moving plate 7 and the screw 16 are connected in a threaded connection, a limiting assembly 18 is arranged on the outer wall of the bottom side of the guide cylinder 9, and a steel ball 17 is placed inside the guide cylinder 9, and the first motor 15 works to drive the screw 16 to rotate. Therefore, the moving plate 7 threadedly connected with the screw 16 is driven to move up and down, and the moving plate 7 can be lifted and lowered to different positions according to the window 3 and the scale 4 to test the impact resistance of the concrete, which makes the detection data more meaningful and improves the accuracy of the data.

Further, the limiting assembly 18 includes a second motor 22, the second motor 22 is fixedly installed inside the moving plate 7, and the output end of the second motor 22 is keyed with a driving gear 21, and the bottom outer wall of the driving gear 21 engages with teeth. The end of the rack 20 close to the guide cylinder 9 is fixedly connected to the limiting plate 19. The setting of the limiting assembly 18 drives the driving gear 21 to rotate during the rotation of the second motor 22, and when the driving gear 21 rotates, it drives the teeth The bar 20 is displaced, so that the steel ball 17 placed on the limit plate 19 falls, and the limit plate 19 is driven out of the socket through the cooperation of the driving gear 21 with the limit plate 19 and the rack 20, the operation is simple and convenient, and the concrete is improved. Test efficiency.

Further, the limit plate 19 is adapted to the specification of the guide cylinder 9, and the limit plate 19 is movably connected inside the guide cylinder 9, and the limit plate is driven by the cooperation of the driving gear 21 with the limit plate 19 and the rack 20. 19 Withdrawable from the socket, the operation is simple and convenient, which improves the efficiency of concrete testing.

With the above-mentioned limiting assembly, when the second motor rotates, it drives the driving gear to rotate, and when the driving gear rotates, it drives the rack to displace, so that the steel balls placed on the limiting plate fall down, and pass the driving gear and the limiter. The cooperation of the plate and the rack drives the limit plate to be pulled out of the socket, which is simple and convenient to operate and improves the efficiency of concrete testing.

List several preferred embodiments or application examples below, to help those skilled in the art to better understand the technical content of the present utility model and the technical contribution made by the present utility model relative to the prior art:

Example 1

A concrete impact resistance test device, comprising a base 1, the base 1 has a rectangular structure, a mounting seat 5 is fixedly installed on the top outer wall of the base 1, and brackets 2 are fixedly installed on the outer walls of the base 1 near the two sides of the mounting seat 5, and The bracket 2 is in a U-shaped structure, a viewing window 3 is arranged on the front outer wall of the bracket 2, and scales 4 distributed at equal distances are arranged on the front outer wall of the viewing window 3, and clamping assemblies 6 are arranged on the inner walls of both sides of the mounting seat 5, and The inside of the bracket 2 is movably connected with a moving plate 7, the specifications of the moving plate 7 are adapted to the specifications of the bracket 2, and a through hole 8 is opened at the axis of the moving plate 7, and a guide cylinder is fixedly installed on the inner wall of the through hole 8 9, and the specification of the guide cylinder 9 is adapted to the specification of the through hole 8. The setting of the guide cylinder 9 makes the height, initial speed and movement trajectory of the steel ball 17 more accurate, thereby improving the accuracy of the test data.

The clamping assembly 6 includes a limit sleeve 10 , the limit sleeve 10 is fixed on the inner walls on both sides of the mounting seat 5 , and a return spring 11 is arranged inside the limit sleeve 10 , and the top end of the return spring 11 is in contact with each other. There is a clamping rod 12, and the clamping rod 12 has a T-shaped structure. The top end of the clamping rod 12 is fixedly installed with a clamping block 13, and the specifications of the clamping block 13 are adapted to the specifications of the mounting seat 5. The clamping block The top outer wall of 13 is provided with serrations 14 distributed at equal distances, and the clamping block 13 is movably connected to the bottom inner wall of the mounting seat 5. The setting of the clamping assembly 6, when the concrete 5 is placed inside the mounting seat 5, the clamping block 13 is flexibly connected. The clamping block 13 pushes the clamping rod 12 through the action of the reset spring 11 to realize the movement of the clamping block 13 to both sides. At the same time, the outer wall of the clamping block 13 is provided with serrations 14, which can effectively clamp and fix the concrete. Therefore, the concrete is more stable and reliable during the test, and the accuracy of the test data is improved; the first motor 15 is fixedly installed on both sides of the inner wall of the bottom of the base 1 by bolts, and the output end of the first motor 15 passes through The coupling is fixedly connected with a screw rod 16, the screw rod 16 is located at the inner axis of the bracket 2, and the moving plate 7 and the screw rod 16 are threadedly connected. A steel ball 17 is placed inside the barrel 9, and the first motor 15 works to drive the screw 16 to rotate, thereby driving the moving plate 7 threadedly connected with the screw 16 to move up and down. The impact resistance test is carried out on the concrete at the position of 1, which makes the detection data more meaningful and improves the accuracy of the data; the limit component 18 includes a second motor 22, and the second motor 22 is fixedly installed inside the moving plate 7, and The output end of the second motor 22 is keyed with a driving gear 21, the bottom outer wall of the driving gear 21 is engaged with a rack 20, and one end of the rack 20 close to the guide cylinder 9 is fixedly connected to the limiting plate 19. The setting of the limiting assembly 18, When the second motor 22 rotates, it drives the driving gear 21 to rotate, and when the driving gear 21 rotates, it drives the rack 20 to displace, so that the steel ball 17 placed on the limit plate 19 falls, and passes through the driving gear 21 and the limit plate. 19 and the rack 20 cooperate to drive the limit plate 19 out of the socket, the operation is simple and convenient, and the efficiency of concrete testing is improved; the limit plate 19 is adapted to the specifications of the guide cylinder 9, and the limit plate 19 is movably connected to the guide Inside the cylinder 9, the limit plate 19 is driven to withdraw from the socket through the cooperation of the driving gear 21 with the limit plate 19 and the rack 20, which is simple and convenient to operate and improves the efficiency of concrete testing.

Working principle: When the concrete impact resistance test device is used, the operator first places the concrete that needs to be tested for impact resistance into the interior of the mounting seat 5, when the concrete 5 is placed inside the mounting seat 5, the clamping block 13 pushes the clamp The tightening rod 12 realizes the movement of the clamping block 13 to both sides through the action of the return spring 11, and at the same time, the outer wall of the clamping block 13 is provided with serrations 14, which can effectively clamp and fix the concrete, thereby making the concrete It is more stable and reliable during the test, which improves the accuracy of the test data. After the concrete is fixed, the first motor 15 works to drive the screw 16 to rotate, thereby driving the moving plate 7 threadedly connected to the screw 16 to move up and down. , the moving plate 7 can be lifted and lowered to different positions according to the window 3 and the scale 4 to test the impact resistance of the concrete, which makes the detection data more meaningful and improves the accuracy of the data. At the same time, when the second motor 22 rotates In the middle, the driving gear 21 is driven to rotate. When the driving gear 21 rotates, it drives the rack 20 to displace, so that the steel ball 17 placed on the limit plate 19 falls, and is driven by the cooperation of the driving gear 21 with the limit plate 19 and the rack 20. The limit plate 19 is pulled away from the socket, so the operation is simple and convenient, and the efficiency of concrete testing is improved.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (5)

1. The concrete impact resistance test device comprises a base (1) and is characterized in that the base (1) is of a rectangular structure, a mounting seat (5) is fixedly mounted on the outer wall of the top of the base (1), a bracket (2) is fixedly mounted on the outer wall of the base (1) close to the two sides of the mounting seat (5), the bracket (2) is of a U-shaped structure, a window (3) is arranged on the outer wall of the front side of the bracket (2), scales (4) distributed equidistantly are arranged on the outer wall of the front side of the window (3), clamping components (6) are arranged on the inner walls of the two sides of the mounting seat (5), a movable plate (7) is movably connected inside the bracket (2), the specification of the movable plate (7) is matched with that of the bracket (2), a through hole (8) is formed in the axis of the movable plate (7), a guide cylinder (9) is fixedly mounted on the inner wall of the through hole (8, and the specification of the guide cylinder (9) is matched with that of the through hole (8).

2. The concrete impact resistance test device according to claim 1, characterized in that the clamping assembly (6) comprises a limiting sleeve (10), the limiting sleeve (10) is fixed on the inner walls of the two sides of the mounting seat (5), a return spring (11) is arranged inside the limiting sleeve (10), a clamping rod (12) is attached to the top end of the return spring (11), the clamping rod (12) is of a T-shaped structure, a clamping block (13) is fixedly mounted at the top end of the clamping rod (12), the specification of the clamping block (13) is matched with the specification of the mounting seat (5), saw teeth (14) distributed equidistantly are formed in the outer wall of the top of the clamping block (13), and the clamping block (13) is movably connected to the inner wall of the bottom of the mounting seat (5).

3. The concrete impact resistance test device according to claim 1, wherein a first motor (15) is fixedly mounted on each of two sides of the inner wall of the bottom of the base (1) through a bolt, a screw (16) is fixedly connected to the output end of the first motor (15) through a coupler, the screw (16) is located at the inner axis of the support (2), the movable plate (7) is in threaded connection with the screw (16), a limiting component (18) is arranged on the outer wall of one side of the bottom of the guide cylinder (9), and a steel ball (17) is placed inside the guide cylinder (9).

4. The concrete impact resistance test device according to claim 3, wherein the limiting assembly (18) comprises a second motor (22), the second motor (22) is fixedly installed inside the moving plate (7), the output end of the second motor (22) is in keyed connection with a driving gear (21), the outer wall of the bottom of the driving gear (21) is meshed with a rack (20), and one end, close to the guide cylinder (9), of the rack (20) is fixedly connected with a limiting plate (19).

5. The concrete impact test device according to claim 4, wherein the limiting plate (19) is matched with the specification of the guide cylinder (9), and the limiting plate (19) is movably connected inside the guide cylinder (9).

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