CN218567122U

CN218567122U - Anti-crack concrete impact resistance experimental device

Info

Publication number: CN218567122U
Application number: CN202222366506.7U
Authority: CN
Inventors: 陈岩基
Original assignee: CCCC First Highway Engineering Co Ltd
Current assignee: CCCC First Highway Engineering Co Ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-03-03
Anticipated expiration: 2032-09-06

Abstract

The utility model discloses an anti-crack concrete experimental apparatus that shocks resistance, including the experiment bed frame, the drive grudging post, the support grudging post, the equal vertical fixation in four vertical angles departments in bottom surface of experiment bed frame is provided with the shock attenuation frame, top surface one side vertical fixation of experiment bed frame is provided with the drive grudging post, one side vertical fixation of drive grudging post is provided with the support grudging post that is located experiment bed frame top surface opposite side, be provided with the kicking plate between support grudging post and the drive grudging post, the fixed kicking block that is provided with in bottom surface center department of kicking plate, the fixed experiment of placing the piece that is provided with in experiment bed frame top surface center department, the top surface that the piece was placed in the experiment has seted up the standing groove, the inner wall of center department of standing groove seted up with kicking block assorted offset groove, anti-crack concrete piece has been placed in the standing groove, the coaxial fixed transmission bevel gear that is provided with of pivot department of motor I, one side rotation of transmission bevel gear is provided with the transmission bevel gear II that is located drive grudging post inner wall, transmission meshing with transmission bevel gear two phase.

Description

Anti-crack concrete impact resistance experiment device

Technical Field

The utility model relates to a concrete experiment technical field that shocks resistance specifically is an anti concrete experimental apparatus that shocks resistance that splits.

Background

The concrete impact resistance experiment device is a device which can impact solidified concrete from different heights through an object with fixed weight and further test the impact resistance of the concrete. However, some unreasonable factors still exist in the process of carrying out an impact resistance experiment on concrete by using the existing concrete impact resistance experiment device, and when the existing concrete impact resistance experiment device is used: the concrete impact resistance experiment device is divided into a single supporting beam and a double supporting beam, the friction force between the supporting beam of the single supporting beam and the lifting beam is large, and the lifting beam is in an inclined state due to the fact that the heavy ball is hung at the lower end of the lifting beam, so that the height of the heavy ball is not the lifting height of the lifting beam, and errors can exist in the obtained data; double bracing roof beam holding power is balanced stable, but the heavy ball of going up and down is slower, and the ball mode of putting of single bracing roof beam and double bracing roof beam all places in the lower cover can open a formula section of thick bamboo for the heavy ball, then pull open the bottom of a section of thick bamboo, let the heavy ball carry out the free fall, the bottom of a section of thick bamboo must be pulled open to this kind of mode must be rapid, still arouse whole detection device's vibration when pulling open the bottom of a section of thick bamboo rapidly, lead to the test error to appear, and the height reading of the heavy ball of current testing arrangement is simple and clear inadequately, for this reason we provide a crack resistant concrete experimental apparatus that shocks resistance and is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti concrete experimental apparatus that shocks resistance that splits to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti concrete experimental apparatus that shocks resistance that splits, includes experiment bed frame, drive grudging post, support grudging post, four equal vertical fixation in perpendicular angle departments of bottom surface of experiment bed frame are provided with the shock attenuation frame, top surface one side vertical fixation of experiment bed frame is provided with the drive grudging post, one side vertical fixation of drive grudging post is provided with the support grudging post that is located experiment bed frame top surface opposite side, be provided with the kickboard between support grudging post and the drive grudging post, the fixed kicking block that is provided with in bottom surface center department of kickboard.

Preferably, the experiment base frame top surface center department is fixed and is provided with the experiment and places the piece, the top surface that the piece was placed in the experiment has seted up the standing groove, the center department inner wall of standing groove has seted up with strike block assorted to close the groove, anti-crack concrete piece has been placed in the standing groove.

Preferably, the support grudging post rotates relatively to the lateral wall with drive grudging post top and is provided with the drive bull stick, the equal coaxial fixed lifting running roller that is provided with in both sides of drive bull stick, fixedly connected with high strength wire rope's one end on the roll surface of lifting running roller, high strength wire rope's the other end rotates the top surface both sides of connecting the impingement plate respectively, the direction spout has transversely been seted up to drive grudging post bottom inner wall, the restriction spout has all been seted up to direction spout both sides, direction spout top is provided with the slip base block, the bottom of slip base block is rotated and is provided with the guide pulley, guide pulley and direction spout looks sliding fit, the bottom surface both sides of slip base block are all fixed and are provided with the direction slider, direction slider and restriction spout looks sliding fit, the lateral wall transverse arrangement of slip base block is fixed and is provided with the transmission tooth piece, the fixed motor one that is provided with in top of slip base block, the fixed motor two that is located drive grudging post inner wall that is provided with in one side of slip base block, the coaxial fixed drive gear that is provided with in pivot department of motor two, drive gear meshes the transmission with the transmission mutually.

Preferably, a first transmission bevel gear is coaxially and fixedly arranged at a rotating shaft of the first motor, a second transmission bevel gear located on the inner wall of the driving stand is rotatably arranged on one side of the first transmission bevel gear, the first transmission bevel gear is in transmission engagement with the second transmission bevel gear, a first driving gear is coaxially and fixedly arranged on one side of the second transmission bevel gear, a second driving gear located on the inner wall of the top of the driving stand is rotatably arranged on the top of the first driving gear, driving toothed belts are arranged on the first driving gear and the second driving gear, the driving toothed belts are in a ring closed shape, the first driving gear and the second driving gear are in transmission engagement through the driving toothed belts, and the second driving gear is fixedly connected with the same shaft at one end of the driving toothed bar.

Preferably, the damping frame is internally provided with a pressure groove, the pressure groove is internally provided with a rubber damping block, the bottom of the rubber damping block is fixedly provided with a pressure plate, the bottom of the pressure plate is vertically and fixedly provided with a supporting rod, the supporting rod is externally sleeved with a damping spring, and the top end of the damping spring is fixedly connected with the bottom end of the bottom surface of the low-pressure plate and is fixedly connected with the groove wall of the pressure groove.

Preferably, the outer wall of the driving stand is fixedly provided with an operation trigger, and the operation trigger is connected with the motor through a line.

Preferably, the outer wall of the driving stand is vertically recorded with height scales, and the outer wall of the impact plate is painted with scale arrows matched with the height scales.

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

drive gear controls the transmission engagement state between transmission bevel gear one and the transmission bevel gear two through the inside motor two of drive grudging post, and through this kind of controllable disconnected state, make the drive bull stick lose the power supply, let the impact block drop realize the impact experiment to the concrete, and the automatic lifting impact block of motor one, the completion preliminary stage of experiment that lets personnel can be more laborsaving prepares work, and simple structure, be difficult for breaking down, and high scale is write-recorded at the outer wall of drive grudging post, the scale arrow point on the cooperation impingement plate, the height of impact block lifting is known to the accuracy, with this better calculation concrete's the performance data that shocks resistance.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a part of the transmission structure of the present invention;

fig. 3 is a perspective view of the present invention.

In the figure: 1. an experimental base frame; 2. driving the vertical frame; 3. a support stand; 4. a shock-absorbing mount; 5. an impact plate; 6. an impact block; 7. placing the block for experiment; 8. a placement groove; 9. abutting against the groove; 10. driving the rotating rod; 11. lifting the roller; 12. a high strength steel wire rope; 13. a guide chute; 14. a restricting chute; 15. sliding the base block; 16. a guide pulley; 17. a guide slide block; 18. a transmission gear block; 19. a first motor; 20. a second motor; 21. a transmission gear; 22. a first transmission bevel gear; 23. a second transmission bevel gear; 24. driving a gear I; 25. driving a gear II; 26. a drive rack; 27. a pressure tank; 28. a rubber damper block; 29. pressing the plate; 30. a strut; 31. a damping spring; 32. operating a trigger; 33. height scales; 34. a scale arrow; 35. the toothed belt is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, for the first embodiment of the present invention, this embodiment provides an anti-crack concrete impact resistance experimental apparatus, including an experiment pedestal 1, a driving pedestal 2, and a supporting pedestal 3, wherein four vertical angles of the bottom surface of the experiment pedestal 1 are vertically and fixedly provided with a damping frame 4, one side of the top surface of the experiment pedestal 1 is vertically and fixedly provided with the driving pedestal 2, one side of the driving pedestal 2 is vertically and fixedly provided with the supporting pedestal 3 located at the other side of the top surface of the experiment pedestal 1, an impact plate 5 is arranged between the supporting pedestal 3 and the driving pedestal 2, the bottom surface center of the impact plate 5 is fixedly provided with an impact block 6, the top surface center of the experiment pedestal 1 is fixedly provided with an experiment placing block 7, the top surface of the experiment placing block 7 is provided with a placing groove 8, the inner wall of the center of the placing groove 8 is provided with an abutting groove 9 matched with the impact block 6, the anti-crack concrete block is placed in the placing groove 8, the rotating shaft of a first motor 19 is coaxially and fixedly provided with a first transmission bevel gear 22, one side of the first transmission bevel gear 22 is rotatably provided with a second transmission bevel gear 23 located on the inner wall of the driving pedestal 2, and is meshed with a first transmission bevel gear 23;

one side of the second transmission bevel gear 23 is coaxially and fixedly provided with a first driving gear 24, the top of the first driving gear 24 is rotatably provided with a second driving gear 25 located on the inner wall of the top of the driving stand 2, a driving toothed belt 35 is arranged on the first driving gear 24 and the second driving gear 25, the driving toothed belt 35 is in a circular ring closed shape, the first driving gear 24 and the second driving gear 25 are in transmission engagement through the driving toothed belt 35, the second driving gear 25 is fixedly connected with the same shaft at one end of the driving toothed rod 26, height scales 33 are vertically recorded on the outer wall of the driving stand 2, a scale arrow 34 matched with the height scales 33 is drawn on the outer wall of the impact plate 5, and the first motor 19 is used for automatically lifting the impact block 6, so that a person can complete the preparation work in the early period of an experiment in a more labor-saving manner, the structure is simple, faults are not prone to occur, and the height scales 33 are recorded on the outer wall of the driving stand 2 and matched with the scale arrow 34 on the impact plate 5, so that the lifting height of the impact block 6 can be accurately known, and the impact resistance data of concrete can be better calculated.

Example 2

Referring to fig. 1-3, for the second embodiment of the present invention, this embodiment is based on the previous embodiment, specifically, a driving rotating rod 10 is rotatably disposed on the top of the supporting vertical frame 3 and the driving vertical frame 2 relatively to the side wall, both sides of the driving rotating rod 10 are coaxially and fixedly provided with a lifting roller 11, one end of a high strength steel wire rope 12 is fixedly connected to the roller surface of the lifting roller 11, the other end of the high strength steel wire rope 12 is rotatably connected to both sides of the top surface of the impact plate 5, the inner wall of the bottom of the driving vertical frame 2 is transversely provided with a guiding chute 13, both sides of the guiding chute 13 are provided with a limiting chute 14, the top of the guiding chute 13 is provided with a sliding base block 15, the bottom of the sliding base block 15 is rotatably provided with a guiding pulley 16, the guiding pulley 16 is in sliding fit with the guiding chute 13, both sides of the bottom surface of the sliding base block 15 are fixedly provided with a guiding slider 17, and the guiding slider 17 is in sliding fit with the limiting chute 14;

the lateral wall of the sliding base block 15 is transversely and fixedly provided with a transmission gear block 18, the top of the sliding base block 15 is fixedly provided with a first motor 19, one side of the sliding base block 15 is fixedly provided with a second motor 20 positioned on the inner wall of the driving stand 2, a rotating shaft of the second motor 20 is coaxially and fixedly provided with a transmission gear 21, the transmission gear 21 is in transmission engagement with the transmission gear block 18, a pressure receiving groove 27 is formed in each shock absorption frame 4, a rubber shock absorption block 28 is arranged in each pressure receiving groove 27, the bottom of each rubber shock absorption block 28 is fixedly provided with a pressing plate 29, the bottom of each pressing plate 29 is vertically and fixedly provided with a support rod 30, each support rod 30 is externally sleeved with a shock absorption spring 31, the top end of each shock absorption spring 31 is fixedly connected with the bottom of a low-pressure plate, the bottom end of each shock absorption groove is fixedly connected with the groove wall of each pressure receiving groove 27, the outer wall of the driving stand 2 is fixedly provided with an operation trigger 32, the operation trigger 32 is connected with the second motor 20 through a circuit, the transmission gear 21 is driven by the second motor 20 in the driving stand 2, the driving bevel gear 21, the driving bevel gear 22 and the driving bevel gear 23, and the controllable disconnection state is realized, and the driving rotating rod 10 to drop the concrete impact experiment for the concrete impact experiment.

Example 3

Referring to fig. 1-3, a third embodiment of the present invention is based on the above two embodiments, when in use, an anti-crack concrete block is placed in the placing groove 8, at this time, the first control motor 19 is started, the first motor 19 drives the first transmission bevel gear 22, which is coaxially and fixedly connected with the first motor, to rotate through the rotating shaft, the first transmission bevel gear 22 drives the second transmission bevel gear 23, which is in transmission engagement with one side of the second transmission bevel gear, to rotate, the second transmission bevel gear 23 drives the first driving gear 24, which is coaxially and fixedly connected with one side of the second transmission bevel gear, the first driving gear 24 drives the second driving gear 25 to rotate through the driving toothed belt 35, the second driving gear 25 drives the driving rotating rod 10 to rotate after rotating, the driving rotating rod 10 drives the lifting rollers 11 on both sides to rotate after rotating, after the lifting roller 11 rotates, the high-strength steel wire rope 12 is wound and contracted to lift and pull the impact plate 5, the control trigger 32 can be pressed after the impact plate is lifted to a desired height according to the indication of the height scale 33 and the scale arrow 34, the control trigger 32 starts the motor II 20, the motor II 20 drives the transmission gear 21 which rotates and is coaxially and fixedly connected with the rotating shaft of the motor II to rotate, the transmission gear 21 rotates and then drives the sliding base block 15 to slide through transmission engagement with the transmission gear block 18, the motor I19 is driven after the sliding base block 15 is driven to move, the transmission gear I22 and the transmission gear II 23 are separated from the connection state of the transmission engagement, the rotating rod 10 is driven to lose power, the impact plate 5 drives the impact block 6 to impact the anti-crack concrete downwards due to the self gravity, and therefore the anti-impact experiment on the anti-crack concrete is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti concrete experimental apparatus that shocks resistance that splits, includes experiment bed frame (1), drive grudging post (2), support grudging post (3), its characterized in that: the damping frame (4) is arranged at four vertical corners of the bottom surface of the experiment base frame (1) in a fixed mode, a driving vertical frame (2) is arranged at one side of the top surface of the experiment base frame (1) in a fixed mode, a supporting vertical frame (3) located on the other side of the top surface of the experiment base frame (1) is arranged at one side of the driving vertical frame (2) in a fixed mode, an impact plate (5) is arranged between the supporting vertical frame (3) and the driving vertical frame (2), and an impact block (6) is fixedly arranged at the center of the bottom surface of the impact plate (5).

2. The anti-crack concrete impact resistance experiment device according to claim 1, characterized in that: the anti-cracking concrete block testing device is characterized in that an experiment placing block (7) is fixedly arranged at the center of the top surface of the experiment base frame (1), a placing groove (8) is formed in the top surface of the experiment placing block (7), a butting groove (9) matched with the impact block (6) is formed in the inner wall of the center of the placing groove (8), and an anti-cracking concrete block is placed in the placing groove (8).

3. The anti-crack concrete impact resistance experiment device according to claim 1, characterized in that: the top of the supporting vertical frame (3) and the top of the driving vertical frame (2) are relatively provided with a driving rotating rod (10) in a way of rotating towards the side wall, two sides of the driving rotating rod (10) are respectively and coaxially and fixedly provided with a lifting roller (11), one end of a high-strength steel wire rope (12) is fixedly connected onto the roller surface of the lifting roller (11), the other end of the high-strength steel wire rope (12) is respectively and rotatably connected with two sides of the top surface of an impact plate (5), the inner wall of the bottom of the driving vertical frame (2) is transversely provided with a guide sliding chute (13), two sides of the guide sliding chute (13) are respectively provided with a limiting sliding chute (14), the top of the guide sliding chute (13) is provided with a sliding base block (15), the bottom of the sliding base block (15) is rotatably provided with a guide pulley (16), the guide pulley (16) is in sliding fit with the guide sliding chute (13), two sides of the bottom surface of the sliding base block (15) are respectively and fixedly provided with a guide sliding slider (17), the sliding slider (17) is in sliding fit with the limiting sliding chute (14), the side wall of the sliding base block (15) is transversely provided with a transmission gear (18), one side of the sliding base block (15) is provided with a transmission gear (19), and one side of the driving motor (20), the transmission gear (21) is in transmission engagement with the transmission gear block (18).

4. The anti-crack concrete impact resistance experiment device according to claim 3, characterized in that: the coaxial fixed transmission bevel gear (22) that is provided with of pivot department of motor (19), one side of transmission bevel gear (22) is rotated and is provided with the transmission bevel gear two (23) that is located the drive grudging post (2) inner wall, transmission bevel gear one (22) and transmission bevel gear two (23) looks transmission meshing, one side of transmission bevel gear two (23) is coaxial fixed and is provided with drive gear one (24), the top of drive gear one (24) is rotated and is provided with the drive gear two (25) that is located the drive grudging post (2) top inner wall, be provided with drive cingulum (35) on drive gear one (24) and the drive gear two (25), drive cingulum (35) are the closed form of ring and drive gear one (24) and drive gear two (25) through drive cingulum (35) looks transmission meshing, drive gear two (25) and the same axle fixed connection of one end of drive cingulum (26).

5. The anti-crack concrete impact resistance experiment device according to claim 4, characterized in that: all set up pressurized groove (27) in shock attenuation frame (4), be provided with rubber snubber block (28) in pressurized groove (27), the fixed clamp plate (29) that supports that is provided with in bottom of rubber snubber block (28), it is provided with branch (30) to support clamp plate (29) bottom vertical fixation, branch (30) overcoat is connected with damping spring (31), its bottom mounting of the bottom surface of the top fixed connection low pressure version of damping spring (31) receives the cell wall of pressurized groove (27).

6. The anti-crack concrete impact resistance experiment device according to claim 3, characterized in that: and an operation trigger (32) is fixedly arranged on the outer wall of the driving stand (2), and the operation trigger (32) is connected with the second motor (20) through a circuit.

7. The anti-crack concrete impact resistance experiment device according to claim 1, characterized in that: height scales (33) are vertically recorded on the outer wall of the driving vertical frame (2), and scale arrows (34) matched with the height scales (33) are drawn on the outer wall of the impact plate (5).