CN220419058U

CN220419058U - Concrete impact test device

Info

Publication number: CN220419058U
Application number: CN202321391026.4U
Authority: CN
Inventors: 申克常; 孙广东
Original assignee: Beijing Sanmao Construction Engineering Testing And Identification Co ltd
Current assignee: Beijing Sanmao Construction Engineering Testing And Identification Co ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2024-01-30
Anticipated expiration: 2033-06-02

Abstract

The utility model discloses a concrete impact test device in the field of concrete detection, which comprises a base, supporting legs, a test box, a fixed protection mechanism, an adjusting mechanism and an electromagnet, wherein the supporting legs are fixedly connected to the positions of four corners and edges of the bottom of the base, the test box is fixedly connected to the middle position of the top of the base, the fixed protection mechanism is fixedly connected to the inside of the test box, the concrete impact test device pulls an L-shaped plate to enable a clamping plate to drive a connecting spring to stretch, and drives a bidirectional screw rod to rotate through rotation of a servo motor to enable sliding blocks to be stably close to each other to drive a fixed box to be close to each other to clamp a concrete block, then the L-shaped plate is loosened to enable the L-shaped plate to be fixed to the top of the concrete block, so that the position of the concrete block is prevented from changing when a steel ball impacts, the stress point of a subsequent concrete block is unchanged, errors are reduced, test data are more accurate, and the accuracy of the test is improved.

Description

Concrete impact test device

Technical Field

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

Background

When the concrete is manufactured into blocks, not only the compressive strength of the concrete is required to be detected, but also the impact resistance of the concrete is required to be detected, so that the impact resistance of the concrete is determined, the application range of the concrete is determined, in the impact resistance test of the concrete, a heavy hammer falls down to do free falling body movement and finally is crashed on a concrete test block, and the impact resistance of the concrete block is detected.

At present, when the impact resistance of the concrete block is detected, the concrete block is directly placed on a base and is not fixed, so that the concrete block is impacted by a steel ball after the primary test, the position is changed, the primary stress point of the concrete block cannot be determined in the subsequent test, the stress point of the subsequent test is continuously changed, test errors are caused, test data are not accurate enough, residues generated by impacted concrete are splashed in all around, and injury is easily caused to personnel.

Disclosure of Invention

The utility model aims to provide a concrete impact resistance test device, which aims to solve the problems that in the prior art, when the impact resistance of a concrete block is detected, the concrete block is directly placed on a base without being fixed, so that the concrete block is impacted by a steel ball after the initial test, the position of the concrete block is changed, the initial stress point of the concrete block cannot be determined in the subsequent test, the stress point of the subsequent test is continuously changed, the test error is caused, the test data is not accurate enough, and residues generated by the impacted concrete are splashed everywhere, so that the personnel are easily injured.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a concrete shock resistance test device, includes base, supporting legs, test box, fixed protection mechanism, adjustment mechanism and electro-magnet, supporting legs fixed connection in base bottom four corners limit portion position department, test box fixed connection in base top middle part position department, fixed protection mechanism fixed connection in inside the test box, adjustment mechanism fixed connection in base top left and right sides middle part, electro-magnet fixed connection in adjustment mechanism bottom middle part, the clearance groove has been seted up to side bottom around the test box, electro-magnet bottom middle part magnetic connection has the steel ball, fixed protection mechanism includes bi-directional lead screw, slide bar, slider, fixed box, connecting spring, cardboard, L template, servo motor, notch, guard plate and circular slot, the front portion bottom runs through the rotation in the test box inner chamber left and right sides and is connected with bi-directional lead screw, bi-directional lead screw outside with equal symmetry sliding connection in the outside has the slider, front and back portion the opposite side fixedly connected with fixed box, fixed connection has the spring to side bottom evenly is connected with the bottom the adjustment mechanism bottom middle part, the guard plate has the notch to set up in front of the side, the top is connected with the guard plate top is connected with the guard plate fixedly to the side, the top is connected with the guard plate.

As a further description of the above technical solution:

the input ends of the electromagnet and the servo motor are electrically connected with the output end of an external power supply, and the end part of the output shaft of the servo motor is fixedly connected with the right end of the bidirectional screw rod.

As a further description of the above technical solution:

the front part of the sliding block is in sliding connection with the outer side of the bidirectional screw rod through a screw rod seat, and the clamping plate is in sliding clamping connection with the inside of the fixed box.

As a further description of the above technical solution:

the regulating mechanism comprises a support, a mounting groove, a limiting rod, a threaded rod, a rotary table, a moving rod, a connecting groove, a connecting disc, a pointer and a graduated scale, wherein the support is arranged at the middle part of the left side and the right side of the top of the base, the mounting groove is formed in the middle part of the opposite side of the inner side of the support, the top of the mounting groove is fixedly connected with the limiting rod at the middle part of the bottom, the middle part of the top of the support penetrates through a threaded rod in a threaded manner, the rotary table is fixedly connected with the top of the threaded rod, the moving rod is slidably connected with the outer side of the limiting rod, the connecting groove is formed in the middle part of the top of the moving rod, the connecting disc is movably clamped in the connecting groove, the pointer is fixedly connected with the left side and the right side of the front part of the moving rod, and the graduated scale is fixedly connected with the left side and the front side of the support.

As a further description of the above technical solution:

the bottom end of the threaded rod is fixedly connected with the middle part of the top of the connecting disc.

As a further description of the above technical solution:

round holes are formed in the left side and the right side of the top of the moving rod in a penetrating mode, the limiting rod is located inside the round holes, and the electromagnet is fixedly connected to the bottom of the moving rod.

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

1. this concrete shock resistance test device, through placing the concrete piece in the inner chamber bottom of test box, the L template of pulling, make the cardboard drive connecting spring tensile, through servo motor's rotation, drive two-way lead screw and rotate, utilize the spacing of slide bar, make the slider stably be close to each other, it is close to each other to drive fixed box, to concrete piece centre gripping, afterwards become flexible L template, reset through connecting spring, make L template fixed concrete piece top, thereby fix concrete piece top and control side, concrete piece position change when avoiding the steel ball to strike, make the stress point of follow-up concrete piece unchanged, reduce the error, make test data more accurate, promote experimental accuracy, and utilize the setting of guard plate, avoid the flying out of concrete sediment to hurt the people, promote experimental security.

2. This concrete impact test device, through rotating the carousel, drive the threaded rod and rotate, and threaded rod and support spiro union for threaded rod rotates the edge and rises or descends, makes the connection pad drive the movable rod and rises or descend, thereby makes the electro-magnet drive the steel ball rise or descend, thereby changes the height that the steel ball falls, is convenient for change the impact force to the concrete piece, conveniently adjusts, cooperates the scale simultaneously, and more convenient record is when not co-altitude, and the steel ball produces the impact effect that different impact forces produced to the concrete, is convenient for record multiunit data, increases experimental accuracy.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a concrete impact test device according to the present utility model;

FIG. 2 is a schematic structural view of a fixing and protecting mechanism of a concrete impact test device according to the present utility model;

FIG. 3 is a schematic structural view of an adjusting mechanism of a concrete impact test device according to the present utility model;

fig. 4 is a schematic diagram of a front view structure of a concrete impact test apparatus according to the present utility model.

In the figure: 100. a base; 200. supporting feet; 300. a test chamber; 310. cleaning the groove; 400. fixing a protection mechanism; 410. a two-way screw rod; 420. a slide bar; 430. a slide block; 440. a fixed box; 450. a connecting spring; 460. a clamping plate; 461. an L-shaped plate; 470. a servo motor; 480. a notch; 490. a protection plate; 491. a circular groove; 500. an adjusting mechanism; 510. a bracket; 520. a mounting groove; 530. a limit rod; 540. a threaded rod; 541. a turntable; 550. a moving rod; 560. a connecting groove; 570. a connecting disc; 580. a pointer; 590. a graduated scale; 600. an electromagnet; 610. and (3) a steel ball.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model provides a concrete impact test device, which avoids the change of the position of a concrete block when a steel ball impacts, ensures that the stress point of the subsequent concrete block is unchanged, reduces errors, ensures more accurate test data, improves the accuracy of a test, and utilizes the arrangement of a protection plate to prevent soil slag from flying out to hurt people and improve the safety of the test, and please refer to fig. 1-4, and comprises a base 100, supporting feet 200, a test box 300, a fixed protection mechanism 400, an adjusting mechanism 500 and an electromagnet 600;

referring again to fig. 1, the base 100 is used for mounting the fixed support leg 200, the test chamber 300, the fixed protection mechanism 400, the adjusting mechanism 500 and the electromagnet 600;

referring to fig. 1 again, the supporting legs 200 are fixedly connected to the four corners and the edges of the bottom of the base 100 to support the device, the test box 300 is fixedly connected to the middle of the top of the base 100 for placing concrete blocks, the fixed protection mechanism 400 is fixedly connected to the inside of the test box 300 to fix the concrete blocks, the adjusting mechanism 500 is fixedly connected to the left and right sides of the top of the base 100, the electromagnet 600 is fixedly connected to the middle of the bottom of the adjusting mechanism 500, the cleaning grooves 310 are formed in the bottoms of the front side and the rear side of the test box 300 to clean the tested concrete fragments, the steel balls 610 are magnetically connected to the middle of the bottom of the electromagnet 600 to impact the concrete blocks;

referring again to fig. 1-2, the fixed guard mechanism 400 includes a bi-directional screw 410, a slide bar 420, a slide block 430, a fixed box 440, a connecting spring 450, a clamp plate 460, an L-shaped plate 461, a servo motor 470, a slot 480, a guard plate 490 and a circular groove 491;

referring to fig. 2 again, the bottoms of the front parts of the left and right sides of the inner cavity of the test box 300 are connected with a bidirectional screw rod 410 in a penetrating and rotating manner, the bottoms of the rear parts of the left and right sides of the inner cavity of the test box 300 are fixedly connected with a sliding rod 420, the outer sides of the bidirectional screw rod 410 and the outer sides of the sliding rod 420 are symmetrically and slidingly connected with sliding blocks 430, the opposite sides of the front and rear sliding blocks 430 are fixedly connected with a fixed box 440, and the bottoms of the inner cavity of the fixed box 440 are uniformly and fixedly connected with connecting springs 450;

referring to fig. 1-2 again, the top end of the connecting spring 450 is fixedly connected with a clamping plate 460, the middle part of the top of the clamping plate 460 is fixedly connected with an L-shaped plate 461, the front part of the right side of the test box 300 is fixedly connected with a servo motor 470, a notch 480 is formed in the front and rear sides of the top of the test box 300 in a penetrating manner, a protection plate 490 is slidably connected in the notch 480, and a round groove 491 is formed in the middle part of the top of the protection plate 490.

To sum up, through placing the concrete block in the inner chamber bottom of test box 300, pulling L template 461 makes cardboard 460 drive connecting spring 450 tensile, through servo motor 470's rotation, drive bi-directional lead screw 410 and rotate, utilize the spacing of slide bar 420, make slider 430 stable be close to each other, drive fixed box 440 be close to each other, centre gripping to the concrete block, afterwards become flexible L template 461, reset through connecting spring 450, make L template 461 fixed to the concrete block top, thereby fix concrete block top and control the side, concrete block position change when avoiding steel ball 610 to strike, make the stress point of follow-up concrete block unchanged, reduce the error, make test data more accurate, promote experimental accuracy, and utilize the setting of guard plate 490, avoid the soil sediment to fly out to hurt the people, promote experimental security.

Referring to fig. 2 again, the input ends of the electromagnet 600 and the servo motor 470 are electrically connected to the output end of the external power source, and the output end of the servo motor 470 is fixedly connected to the right end of the bidirectional screw 410.

Referring to fig. 2 again, the front slider 430 is slidably connected to the outer side of the bi-directional screw 410 through a screw seat, and the clamping plate 460 is slidably clamped inside the fixing box 440.

Referring to fig. 3 again, the adjusting mechanism 500 includes a bracket 510, a mounting groove 520, a limit rod 530, a threaded rod 540, a turntable 541, a moving rod 550, a connecting groove 560, a connecting disc 570, a pointer 580 and a scale 590, wherein the bracket 510 is fixed at the middle part of the left side and the right side of the top of the base 100, the mounting groove 520 is provided at the middle part of the opposite side of the inner side of the bracket 510, the limit rod 530 is fixedly connected at the middle part of the top and the bottom of the mounting groove 520, the threaded rod 540 is threaded through and screwed at the middle part of the top of the bracket 510, the turntable 541 is fixedly connected at the top of the threaded rod 540, the moving rod 550 is slidingly connected at the outer side of the limit rod 530, the connecting groove 560 is provided at the middle part of the top of the moving rod 550, the connecting disc 570 is movably clamped inside the connecting disc 570 is fixedly connected at the left side and the front part of the moving rod 550, and the scale 590 is fixedly connected at the left side and the front side of the bracket 510.

Referring again to fig. 3, the bottom end of the threaded rod 540 is fixedly connected to the middle of the top of the connecting disc 570.

Referring to fig. 3 again, a circular hole is formed through the left and right sides of the top of the moving rod 550, and the stop lever 530 is located inside the circular hole, and the electromagnet 600 is fixedly connected to the bottom of the moving rod 550.

In summary, through rotating carousel 541, drive threaded rod 540 and rotate, and threaded rod 540 and support 510 spiro union for threaded rod 540 rises or descends while rotating, makes connection pad 570 drive movable rod 550 rise or descend, thereby makes electro-magnet 600 drive steel ball 610 rise or descend, thereby changes the height that steel ball 610 falls, is convenient for change the impact force to the concrete mass, and convenient regulation cooperates scale 590 simultaneously, and more convenient record is when not co-altitude, and steel ball 610 produces the impact effect that different impact forces produced to the concrete, is convenient for record multiunit data, increases experimental accuracy.

When the testing device is specifically used, when a person in the technical field tests, the concrete block is placed at the bottom of the inner cavity of the test box 300, the L-shaped plate 461 is pulled, the clamping plate 460 drives the connecting spring 450 to stretch, the servo motor 470 is started, the bidirectional screw rod 410 is driven to rotate through the rotation of the servo motor 470, the sliding blocks 430 are enabled to be stably close to each other, the fixing box 440 is driven to be close to each other to clamp the concrete block, then the L-shaped plate 461 is loosened, the L-shaped plate 461 is enabled to fix the top of the concrete block through the reset of the connecting spring 450, the top of the concrete block and the left side and the right side of the concrete block are fixed, the protection plate 490 is placed in the notch 480, the top of the test box 300 is shielded, after the fixing is completed, the power supply of the electromagnet 600 is closed, the steel ball 610 falls down, the concrete block is impacted, after the test is completed, the power supply of the joint electromagnet 600 is used, the steel ball 610 is re-absorbed, when the height needs to be adjusted, the rotating disc 541 is driven to rotate, the threaded rod 540 is enabled to rotate and the threaded rod 510 is in threaded connection, the lifting or descending edge is enabled to drive the moving rod 550 to rise or descend, the steel ball 550 is enabled to rise or fall, the height of the electromagnet 600 is enabled to be different, and the test is enabled to be different from the height of the steel ball 610.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A concrete impact test device which is characterized in that: including base (100), supporting legs (200), test box (300), fixed protection machanism (400), adjustment mechanism (500) and electro-magnet (600), supporting legs (200) fixed connection in base (100) bottom four corners limit position department, test box (300) fixed connection in base (100) top middle part position department, fixed protection machanism (400) fixed connection in inside test box (300), adjustment mechanism (500) fixed connection in base (100) top left and right sides middle part, electro-magnet (600) fixed connection in adjustment mechanism (500) bottom middle part, clearance groove (310) have been seted up to test box (300) front and back side bottom, electro-magnet (600) bottom middle part magnetism is connected with steel ball (610), fixed protection machanism (400) include two-way lead screw (410), slide bar (420), slider (430), fixed box (440), connecting spring (450), cardboard (460), L (461), servo motor (470), notch (480), guard plate (490) and circular slot (490), left and right side inner chamber (300) bottom part is connected with two-way lead screw (410) through the bottom of test box (300), the bidirectional screw rod (410) outside with equal symmetry sliding connection in slide bar (420) outside has slider (430), front and back portion slider (430) opposite side fixedly connected with fixed box (440), fixed box (440) inner chamber bottom evenly fixedly connected with coupling spring (450), coupling spring (450) top fixedly connected with cardboard (460), cardboard (460) top middle part fixedly connected with L template (461), anterior fixedly connected with servo motor (470) in test box (300) right side, notch (480) have been run through to the front and back side in test box (300) top, notch (480) inside sliding connection has guard plate (490), circular slot (491) have been seted up at guard plate (490) top middle part.

2. The concrete impact test apparatus according to claim 1, wherein: the input ends of the electromagnet (600) and the servo motor (470) are electrically connected with the output end of an external power supply, and the end part of the output shaft of the servo motor (470) is fixedly connected with the right end of the bidirectional screw rod (410).

3. The concrete impact test apparatus according to claim 1, wherein: the front part of the sliding block (430) is in sliding connection with the outer side of the bidirectional screw rod (410) through a screw rod seat, and the clamping plate (460) is in sliding clamping connection with the inside of the fixed box (440).

4. The concrete impact test apparatus according to claim 1, wherein: adjustment mechanism (500) are including support (510), mounting groove (520), gag lever post (530), threaded rod (540), carousel (541), carriage release lever (550), spread groove (560), connection pad (570), pointer (580) and scale (590), fixed Liaoning street in the middle part has support (510) about base (100) top, mounting groove (520) have been seted up at the inboard opposite side middle part of support (510), rotation spiro union threaded rod (540) are run through to carriage release lever (510) top middle part through the screw thread, threaded rod (540) top fixedly connected with carousel (541), carriage release lever (530) outside sliding connection has carriage release lever (550), spread groove (560) have been seted up at carriage release lever (550) top middle part, inside movable joint of spread groove (560) has connection pad (570), pointer (580) are connected with in the front portion left and right sides fixedly connected with of carriage release lever (550), support (510) front side left and right sides fixedly connected with scale (590).

5. The concrete impact test apparatus according to claim 4, wherein: the bottom end of the threaded rod (540) is fixedly connected with the middle part of the top of the connecting disc (570).

6. The concrete impact test apparatus according to claim 4, wherein: round holes are formed in the left side and the right side of the top of the moving rod (550) in a penetrating mode, the limiting rod (530) is located inside the round holes, and the electromagnet (600) is fixedly connected to the bottom of the moving rod (550).