Concrete electric bending experiment equipment

Abstract

The utility model discloses concrete electric bending experiment equipment which comprises an anti-bending testing machine body, a base is installed behind the upper end face of the anti-bending testing machine body, the inner side of the base is movably connected with a moving mechanism through an electric push rod, and a dust collecting box is installed on the upper end face of the moving mechanism. An air pump is installed on one side of the dust collecting box, two clamping plates are movably arranged on the front end face of the moving mechanism, vertical plates are installed on the front and back portions of the lower end faces of the two clamping plates, rotating shafts are arranged on the opposite sides of the outer surfaces of the two vertical plates, and rotating plates are fixedly connected to the opposite sides of the outer surfaces of the two rotating shafts; a groove is formed in the upper end face of the rotating plate. The device has the advantages that the position of concrete to be measured can be corrected, and the concrete to be measured can be clamped in the middle, so that the measurement precision is ensured, and impurities and scraps generated in an experiment can be conveniently collected.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete detection technical field, concretely is a kind of concrete electric bending experimental equipment. BACKGROUND

[0002] Cement is a kind of powdered inorganic cementitious material, into slurry after mixing with water, can harden in air or in water, and can firmly cement sand, stone and other materials together, early mixture of lime and volcanic ash is very similar to modern lime volcanic ash cement, and the concrete made of it cemented crushed stone, after hardening, not only high strength, but also can resist the erosion of fresh water or salt water. For a long time, it is widely used as an important cementitious material in civil construction, water conservancy, national defense and other engineering. Flexural performance is an important indicator to ensure the safety of construction engineering, so it is necessary to use bending test device to detect the performance of concrete.

[0003] In the prior art, the utility model patent with patent No. CN217738887U can be rotated according to the length of the concrete Screw rod, so that the two sliding blocks connected with the screw rod drive the support plates to approach or move away from each other, pass the concrete through the bottom of the support frame, so that the support plates can better support the concrete, and the fixation of the concrete can be strengthened by the extrusion rod, so that the bending experiment of the concrete with large size can be realized.

[0004] However, the above-mentioned device will leave small impurities and debris that are difficult to clean by artificial on the bending fixture after the test is completed, which needs to be manually cleaned by artificial using tools, which is very time-consuming and laborious, and when clamping the concrete, the cement body cannot be clamped in the center, and the measurement accuracy cannot be guaranteed. Therefore, it does not meet the existing needs, and we propose a concrete electric bending experimental equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of concrete electric bending experimental equipment to solve the above-mentioned device in the background art above-mentioned will leave small impurities and debris that are difficult to clean by artificial on the bending fixture after the test is completed, which needs to be manually cleaned by artificial using tools, which is very time-consuming and laborious, and when clamping the concrete, the cement body cannot be clamped in the center, and the measurement accuracy cannot be guaranteed.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a concrete electric bending experiment equipment, including the anti -bending testing machine body, the back of anti -bending testing machine body upper end face is installed with base, the inboard of base is connected with moving mechanism through electric push rod, the upper end surface of moving mechanism is installed with dust collection box, one side of dust collection box is installed with air pump, the front end surface of moving mechanism is movably provided with two clamping plates, the front and back of the lower end surface of two clamping plates are installed with vertical board, the opposite side of the outer surface of two vertical boards is provided with pivot, the outer surface of two pivots is fixedly connected with rotating plate, the upper end surface of rotating plate is provided with recess, a plurality of dust collection heads are installed on the upper end surface of recess, the dustproof plate is movably connected with dust collection head through the dismounting mechanism.

[0007] Preferably, the moving mechanism comprises a horizontal plate, a horizontal groove is arranged on the front end surface of the horizontal plate, a connecting shaft is arranged on the inner side of the horizontal groove, threaded rods are fixedly connected to both ends of the connecting shaft, threaded blocks are sleeved on the outer surfaces of the threaded rods, and the front end surfaces of the threaded blocks are fixedly connected to the rear end surfaces of the clamping plates.

[0008] Preferably, the threaded directions of the two threaded rods are opposite, a motor A is installed on one side of the horizontal groove through a motor cavity, a short shaft is fixedly connected to the output end of the motor A, and one end of the short shaft is fixedly connected to one end of one of the threaded rods, and the other end of the other threaded rod is rotatably connected to the inner wall of the horizontal groove through a bearing.

[0009] Preferably, a motor B is installed on the inner side of one of the vertical boards through a cavity, the output end of the motor B is fixedly connected to the rear end surface of one of the pivots through a shaft coupling, and the front end surface of the other pivot is rotatably connected to the rear end surface of the other vertical board through a bearing.

[0010] Preferably, the dust collection heads are connected to the air pump through an air pipe A, the air pump is connected to the dust collection box through an air pipe B, and an anti-bending clamp is installed in front of the base.

[0011] Preferably, the dismounting mechanism comprises movable plates, the movable plates are arranged on the front and back of the recess through strip-shaped grooves, the movable plates are movably connected to the inner walls of the strip-shaped grooves through springs A, limit plates are installed on the opposite sides of the outer surfaces of the two movable plates, and limit grooves are arranged on the front and back of the outer surface of the dustproof plate.

[0012] Preferably, the strip-shaped grooves and the recess are connected through through grooves, the limit plates penetrate through the through grooves, the through grooves are matched with the limit grooves, fixed plates are installed above the front end surfaces and the rear end surfaces of the inner walls of the recess, and springs B are fixedly installed on the upper end surfaces of the fixed plates.

[0013] Compared with the prior art, the utility model has the advantages of

[0014] 1, the utility model discloses a base, clamping plate, moving mechanism, electric push rod are provided with, when the concrete to be measured is installed in the anti -break clamp, can pass through the control electric push rod, make the moving mechanism inside the base forward movement, drive two clamping plates to move forward, two clamping plates are located the both sides of the outer surface of the concrete to be measured, open the switch of motor A, and motor A works and drives the short shaft rotation, thereby drive screw rod and rotation, two threaded blocks can move to the direction close to the concrete to be measured simultaneously, and the anti -break clamp is located the front of the base, and the distance of two clamping plates with the center point of the anti -break clamp is equal, and the clamping plate moves to the direction close to the concrete to be measured simultaneously, can correct the position of the concrete to be measured, guarantee that the concrete to be measured can be centered and clamped, thereby guarantee the precision of measurement.

[0015] 2, the utility model discloses a gas pump, dust collection box, dustproof board, dust collection head are provided with, start the gas pump, pass through the filtration of dustproof board, and smaller impurity chippings are collected in the dust collection box inside, and larger impurity chippings are left above dustproof board, avoid causing dust collection head blockage, and through being provided with the dismantling mechanism, can simultaneously pull two movable plates to the outside, and the movable plate removal can drive the spacer plate to move, and the spacer plate leaves the inside of the limiting slot, and the dustproof board is under the action of spring B, is top out upwards, convenient for staff with its from the recess inside dismantle, clean, thereby guarantee the subsequent filtration effect, the utility model discloses convenient to collect the impurity chippings generated in the experiment. ACCURACY

[0016] Figure 1 It is the overall structure schematic view of the utility model whole;

[0017] Figure 2 It is the local structure schematic view of the utility model base;

[0018] Figure 3 It is the side sectional view of the utility model rotating plate;

[0019] Figure 4 It is the local structure schematic view of the utility model dismantling mechanism.

[0020] In the drawing: 1, anti -break testing machine body;2, base;3, clamping plate;4, moving mechanism;401, horizontal plate;402, horizontal groove;403, threaded block;404, connecting shaft;405, threaded rod;5, electric push rod;6, dust collection box;7, dustproof board;8, dismantling mechanism;801, strip -type slot;802, spring A;803, movable plate;804, fixed plate;805, spring B;806, limiting slot;807, spacer plate;808, through slot;9, gas pump;10, vertical plate;11, rotating shaft;12, rotating plate;13, dust collection head;14, recess. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] The electric push rod 5 (model LBP40), air pump 9 (model 2XZ-0.25), motor A (model 68KTYZ) and motor B (model 68KTYZ) mentioned in the present invention can all be purchased from the market or customized.

[0023] like Figure 1 As shown, the utility model provides an embodiment: a concrete electric bending test equipment, including a flexural testing machine body 1, a base 2 is installed at the rear of the upper end surface of the flexural testing machine body 1, the inner side of the base 2 is movably connected to a moving mechanism 4 through an electric push rod 5, a dust collecting box 6 is installed on the upper end surface of the moving mechanism 4, an air pump 9 is installed on one side of the dust collecting box 6, and two splints 3 are movably provided on the front end surface of the moving mechanism 4, and vertical plates 10 are installed at the front and rear of the lower end surfaces of the two splints 3. The opposite sides of the outer surfaces of the two vertical plates 10 are provided with rotating shafts 11, and the opposite sides of the outer surfaces of the two rotating shafts 11 are fixedly connected with a rotating plate 12, and the upper end surface of the rotating plate 12 is provided with a groove 14, and the upper end surface of the groove 14 is installed with a plurality of dust suction heads 13, and the upper part of the dust suction head 13 is movably connected with a dustproof plate 7 through a disassembly mechanism 8.

[0024] like Figure 2 As shown, the moving mechanism 4 includes a horizontal plate 401, the front end surface of the horizontal plate 401 is provided with a horizontal groove 402, the inner side of the horizontal groove 402 is provided with a connecting shaft 404, both ends of the connecting shaft 404 are fixedly connected with a threaded rod 405, the outer surface of the threaded rod 405 is sleeved with a threaded block 403, the front end surface of the threaded block 403 is fixedly connected to the rear end surface of the splint 3, and the movement of the threaded block 403 can drive the splint 3 to move.

[0025] The thread directions of the two threaded rods 405 are opposite. A motor A is installed on one side of the transverse groove 402 through the motor cavity. The output end of the motor A is fixedly connected to a short shaft. The other end of the short shaft is fixedly connected to one end of one of the threaded rods 405. The other end of the other threaded rod 405 is rotatably connected to the inner wall of the transverse groove 402 through a bearing. When the motor A is working, it can drive the short shaft to rotate, thereby driving the threaded rod 405 and the connecting shaft 404 to rotate, and the two threaded blocks 403 can move in the direction of moving away or closer at the same time.

[0026] like Figure 3As shown, the inner side of one vertical plate 10 is provided with a motor B through a cavity, the output end of the motor B is fixedly connected with the rear end surface of one rotating shaft 11 through a shaft coupling, the front end surface of the other rotating shaft 11 is rotatably connected with the rear end surface of the other vertical plate 10 through a bearing, the motor B can drive the rotating shaft 11 to rotate, thereby driving the rotating plate 12 to rotate.

[0027] The dust collection head 13 is connected with the air pump 9 through the air pipe A, the air pump 9 is connected with the dust collecting box 6 through the air pipe B, the air pump 9 is working, the anti-bending clamp is installed at the front of the base 2, and the impurities and debris can be collected in the dust collecting box 6 through the air pipe A and the air pipe B.

[0028] As shown in the figure, Figure 4 The dismounting mechanism 8 includes movable plates 803 which are arranged in front of and behind the recess 14 through strip-shaped grooves 801, the movable plates 803 are movably connected with the inner walls of the strip-shaped grooves 801 through springs A 802, the opposite sides of the outer surfaces of the two movable plates 803 are provided with limiting plates 807, and the outer surface of the dustproof plate 7 is provided with limiting grooves 806 in front and behind;

[0029] The strip-shaped grooves 801 are connected with the recess 14 through through grooves 808, the limiting plates 807 pass through the through grooves 808, the through grooves 808 are matched with the limiting grooves 806, the upper parts of the front end surfaces and the rear end surfaces of the inner walls of the recess 14 are provided with fixed plates 804, the upper end surfaces of the fixed plates 804 are fixedly provided with springs B 805, the limiting plates 807 can be clamped into the inner sides of the limiting grooves 806 to limit the dustproof plate 7, the limiting plates 807 can be moved away from the inner sides of the limiting grooves 806 to release the limitation of the dustproof plate 7, and the dustproof plate 7 is pushed upward under the action of the springs B 805, so as to facilitate the user to dismount the dustproof plate 7 from the rotating plate 12.

[0030] The concrete electric bending experiment equipment is used, first, the power is connected, when the concrete to be measured is installed in the anti-bending clamp, the moving mechanism 4 can be moved forward in the inside of the base 2 by controlling the electric push rod 5, the two clamping plates 3 are moved forward, the two clamping plates 3 are located on the two sides of the outer surface of the concrete to be measured, the switch of the motor A is turned on, the motor A works to drive the short shaft to rotate, thereby driving the threaded rod 405 and the rotation, the two threaded blocks 403 can be moved to the direction close to the concrete to be measured at the same time, the anti-bending clamp is located in front of the base 2, the distance between the two clamping plates 3 and the center point of the anti-bending clamp is equal, the clamping plate 3 is moved to the direction close to the concrete to be measured at the same time, the position of the concrete to be measured is corrected, and the dust collection head 13 is started by arranging the air pump 9, the dust collection box 6, the dustproof plate 7 and the dust collection head 13, the smaller impurities are collected in the dust collection box 6 after being filtered by the dustproof plate 7, the larger impurities are left above the dustproof plate 7, so that the dust collection head 13 is prevented from being blocked, and the two movable plates 803 can be pulled outwards at the same time by arranging the dismounting mechanism 8, the movable plate 803 can drive the limiting plate 807 to move, the limiting plate 807 leaves the inside of the limiting groove 806, the limiting of the dustproof plate 7 is released, the dustproof plate 7 is pushed out upwards under the action of the spring B 805, so that it is convenient for workers to dismount it from the inside of the groove 14 and clean it, so that the subsequent filtering effect is guaranteed, the position of the concrete to be measured can be corrected, the concrete to be measured can be clamped in the middle, so that the measurement accuracy is guaranteed, and the impurities generated in the experiment can be collected.

[0031] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A concrete electric bending test equipment, comprising a bending test machine body (1), characterized in that: A base (2) is installed at the rear of the upper end surface of the bending test machine body (1), and a moving mechanism (4) is movably connected to the inner side of the base (2) through an electric push rod (5). A dust box (6) is installed on the upper end surface of the moving mechanism (4), and an air pump (9) is installed on one side of the dust box (6). Two clamping plates (3) are movably provided on the front end surface of the moving mechanism (4), and vertical plates (10) are installed at the front and rear of the lower end surfaces of the two clamping plates (3). A rotating shaft (11) is provided on the opposite side of the outer surface of the two vertical plates (10), and a rotating plate (12) is fixedly connected to the opposite side of the outer surface of the two rotating shafts (11). A groove (14) is provided on the upper end surface of the rotating plate (12), and a plurality of dust collecting heads (13) are installed on the upper end surface of the groove (14). A dustproof plate (7) is movably connected to the upper part of the dust collecting head (13) through a disassembly mechanism (8).

2. The electric concrete bending test equipment according to claim 1, characterized in that: The moving mechanism (4) comprises a transverse plate (401), a transverse groove (402) is provided on the front end surface of the transverse plate (401), a connecting shaft (404) is provided on the inner side of the transverse groove (402), threaded rods (405) are fixedly connected at both ends of the connecting shaft (404), a threaded block (403) is sleeved on the outer surface of the threaded rod (405), and the front end surface of the threaded block (403) is fixedly connected to the rear end surface of the clamping plate (3).

3. The electric concrete bending test equipment according to claim 2, characterized in that: The thread directions of the two threaded rods (405) are opposite, a motor A is installed on one side of the transverse groove (402) through a motor cavity, an output end of the motor A is fixedly connected to a short shaft, the other end of the short shaft is fixedly connected to one end of one of the threaded rods (405), and the other end of the other threaded rod (405) is rotatably connected to the inner wall of the transverse groove (402) through a bearing.

4. The electric concrete bending test equipment according to claim 1, characterized in that: A motor B is installed on the inner side of one of the vertical plates (10) through a cavity, the output end of the motor B is fixedly connected to the rear end face of one of the rotating shafts (11) through a coupling, and the front end face of the other rotating shaft (11) is rotatably connected to the rear end face of the other vertical plate (10) through a bearing.

5. The electric concrete bending test equipment according to claim 1, characterized in that: The dust collecting head (13) is connected to the air pump (9) via an air pipe A, the air pump (9) is connected to the dust collecting box (6) via an air pipe B, and an anti-bending clamp is installed in front of the base (2).

6. The electric concrete bending test equipment according to claim 1, characterized in that: The disassembly mechanism (8) includes a movable plate (803), which is arranged in front of and behind the groove (14) through a strip groove (801). The movable plate (803) is movably connected to the inner wall of the strip groove (801) through a spring A (802). A limiting plate (807) is installed on the opposite side of the outer surface of the two movable plates (803), and a limiting groove (806) is provided on the front and back of the outer surface of the dustproof plate (7).

7. The electric concrete bending test equipment according to claim 6, characterized in that: The strip groove (801) is connected to the groove (14) via a through groove (808), the limiting plate (807) passes through the through groove (808), the through groove (808) is adapted to the limiting groove (806), and a fixing plate (804) is installed above the front end face and the rear end face of the inner wall of the groove (14), and a spring B (805) is fixedly installed on the upper end face of the fixing plate (804).

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