CN220304983U - Concrete strength test device - Google Patents

Abstract

The utility model relates to a concrete strength test device especially relates to concrete detection technical field, and it includes the test machine body, the test machine body includes the support body and locates the extension board of support body bottom, the top of extension board is equipped with the threaded rod with the extension board is vertically, the last length direction of following the screw rod on the support body slides and is provided with the protection casing, be equipped with the fixed subassembly that is used for fixed protection casing on the support body, the outside of threaded rod is located to the protection casing cover, just the protection casing is located the top side of extension board, the protection casing includes the main part and rotates the guard plate that sets up in the main part, be equipped with the retaining member that is used for fixed guard plate in the main part, one side that the guard plate is close to the threaded rod is provided with the buffer board along the direction slip of perpendicular to guard plate, be connected with the pressure spring between buffer board and the guard plate, the pressure spring is in compression state, the pressure spring makes the buffer board produce towards keeping away from the gliding trend of direction, and this application has the effect that the security is high.

Description

Concrete strength test device

Technical Field

The application relates to the technical field of concrete detection, in particular to a concrete strength test device.

Background

The concrete is a composite material which is formed by configuring gel materials, aggregate and water according to proper proportion and hardening for a certain time, is a manual civil construction material with the largest world usage amount, has high hardness, wide raw material sources and low cost, and is widely applied to houses, highways and military projects. The performance of the concrete can be judged by testing the strength of the concrete, and a concrete strength test device is needed when the strength of the concrete is tested.

The concrete strength test device comprises a test machine body, wherein the test machine body comprises a frame body and a threaded rod in threaded connection with the frame body, a pressing plate is rotatably arranged at the bottom of the threaded rod, and a support plate for placing a concrete test block is arranged at the bottom of the frame body; when detecting, place the concrete test block on the extension board, then make the threaded rod rotatory, the bottom can the downwardly moving when the threaded rod is rotatory for the clamp plate is towards the direction removal that is close to the extension board, thereby extrudees the concrete test block, carries out intensity test.

Aiming at the related technology, the concrete test block can be broken under the extrusion action of the pressing plate, fragments can splash, and the splashed fragments are easy to damage operators and have potential safety hazards.

Disclosure of Invention

In order to reduce the possibility of damage to operators caused by splashed fragments, the application provides a concrete strength test device.

The application provides a concrete strength test device adopts following technical scheme:

the utility model provides a concrete strength test device, includes the test machine body, the test machine body includes the support body and locates the extension board of support body bottom, the top of extension board is equipped with the threaded rod with the extension board is vertically, the length direction slip along the threaded rod on the support body is provided with the protection casing, be equipped with the fixed subassembly that is used for fixed protection casing on the support body, the outside of threaded rod is located to the protection casing cover, just the protection casing is located the topside of extension board, the protection casing includes the main part and rotates the guard plate that sets up in the main part, be equipped with the retaining member that is used for fixed guard plate in the main part, one side that the guard plate is close to the threaded rod is provided with the buffer board along the direction slip of perpendicular to guard plate, be connected with the pressure spring between buffer board and the guard plate, the pressure spring is in compression state, the pressure spring makes the buffer board produce towards keeping away from the gliding trend of guard plate direction.

By adopting the technical scheme, the protective cover can be covered on the support plate, so that the concrete test block on the support plate is positioned at the inner side of the protective cover, and splashed concrete fragments can be blocked at the inner side by the protective cover, thereby reducing the damage to operators and being safer; fragments splash onto the buffer plate, and the pressure spring is further compressed, so that a buffer effect is achieved, impact to the protective cover is reduced, the service life of the protective cover is prolonged, and when the buffer plate is damaged, the protective plate can be rotated to the outer side for maintenance, and the operation is convenient.

Optionally, fixed subassembly is including sliding the inserted bar of wearing to locate in the main part, offer the tip male slot of confession inserted bar on the support body, the slot is located the one side that the extension board is close to the threaded rod, be connected with the spring between the one end and the main part that the inserted bar kept away from the slot, the spring is in tensile state, the spring makes the inserted bar produce towards the trend that is close to the gliding of slot direction.

Through adopting above-mentioned technical scheme, the inserted bar inserts in the slot, can restrict the removal of protection casing, and is fixed with the protection casing, leaves the space between the bottom of protection casing and the extension board top after the protection casing is fixed, is convenient for put the concrete test block on the extension board, therefore more convenient.

Optionally, the baffle is provided with in the sliding of one side that the guard plate was kept away from to the buffer board, be equipped with the slider on the baffle, offer on the buffer board and supply the gliding spout of slider, one side that the slider is close to the spout is equipped with first magnet strip, be equipped with in the spout with the second magnet strip that first magnet strip is inhaled mutually.

Through adopting above-mentioned technical scheme, the baffle can protect the buffer board for the fragment directly splashes to the baffle on, only need with the baffle slide down change after damaging can, easy and simple to handle.

Optionally, an elastic protection pad is arranged on one side of the baffle, which is far away from the buffer plate.

Through adopting above-mentioned technical scheme, the elastic protection pad can protect the baffle, reduces the impact of the rubble that splashes to the baffle to reduce the change number of times of baffle.

Optionally, a positioning groove is formed in the inner side, close to one end of the support plate, of the protective cover, and a positioning block matched with the positioning groove is arranged on the outer side of the support plate.

Through adopting above-mentioned technical scheme, constant head tank and locating piece cooperate, reducible protection casing's bottom and the space between the extension board top to reduce the possibility that fragments fly out from between protection casing and the extension board, further promote the protectiveness.

Optionally, a first magnet block is arranged on one side, close to the positioning groove, of the positioning block, and a second magnet block attracted with the first magnet block is arranged in the positioning groove.

Through adopting above-mentioned technical scheme, when the protection shroud was established on the top surface of extension board, first magnet piece and second magnet piece were attracted mutually, the stability of protection casing when helping the reinforcing test.

Optionally, a plurality of holding tanks have been seted up along the length direction of screw rod to one side that the main part is close to the support body, be equipped with the ball in the holding tank, the rolling groove that supplies the ball to remove has been seted up to one side that the support body is close to the ball.

Through adopting above-mentioned technical scheme, the setting of ball will slide and change into the roll, and frictional force is littleer, therefore makes the removal process of protection casing more laborsaving.

Optionally, a viewing window is provided on a side wall of the main body.

Through adopting above-mentioned technical scheme, be convenient for observe the deformation condition of the inside concrete test block of protection casing, reduce the setting of protection casing to experimental influence, the practicality is stronger.

In summary, the present application includes at least one of the following beneficial technical effects:

1. before the test, the protective cover is slid upwards, then the protective cover is fixed through the fixing component, the concrete test block is placed on the support plate, then the fixing of the fixing component is canceled, the protective cover is moved downwards, the bottom of the protective cover is abutted with the top of the support plate, and the concrete test block is positioned on the inner side of the protective cover; during the test, the pressurization is started, and the splash fragments are blocked to the inner side by the protective cover, so that the possibility of splashing fragments is reduced, and the safe performance of the test process is ensured.

2. The inner side of the protective cover is provided with a buffer plate, the buffer plate is provided with a baffle, fragments splash on the baffle, and the baffle and the buffer plate move together in a direction away from the threaded rod, so that the pressure spring is further compressed, the buffer effect is achieved, the impact of the fragments on the protective cover can be reduced, and the service life of the protective cover is prolonged; when the baffle is deformed or damaged seriously, the baffle is slid down to be replaced, and the operation is simple and convenient.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of an embodiment of the present application;

FIG. 3 is an enlarged schematic view at A in FIG. 1;

FIG. 4 is a cross-sectional view of an embodiment of the present application showing a detent and a locating block;

FIG. 5 is a schematic structural view of a protective cover in an embodiment of the present application;

fig. 6 is a schematic structural view of the guard plate in the embodiment of the present application.

Reference numerals: 1. a testing machine body; 11. a frame body; 111. rolling grooves; 12. a support plate; 121. a positioning block; 1211. a first magnet block; 13. a threaded rod; 14. a pressing plate; 2. a protective cover; 21. a main body; 211. a top plate; 2111. avoidance holes; 212. a side plate; 2121. a receiving groove; 2122. a ball; 2123. an observation window; 2124. a bump; 2125. a connection frame; 2126. a positioning groove; 2127. a second magnet block; 22. a protection plate; 221. a fixed block; 222. an L-shaped plate; 3. a buffer plate; 31. a limit rod; 311. a limiting block; 32. a chute; 321. a second magnet bar; 4. a pressure spring; 5. a baffle; 51. a slide block; 511. a first magnet bar; 52. an elastic protection pad; 6. a fixing assembly; 61. a connecting block; 62. a rod; 63. a slot; 64. a spring; 7. a locking piece.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a concrete strength test device. Referring to fig. 1 and 2, the testing machine comprises a testing machine body 1, wherein the testing machine body 1 comprises a frame 11 and a threaded rod 13 which is in threaded connection with the frame 11, the length direction of the threaded rod 13 is parallel to the height direction of the frame 11, the bottom of the threaded rod 13 is rotationally connected with a pressing plate 14 through a bearing, the pressing plate 14 is perpendicular to the threaded rod 13, a support plate 12 for placing a concrete test block is fixedly arranged at the bottom of the frame 11, and the support plate 12 is parallel to the pressing plate 14; in the test, the threaded rod 13 rotates to move the pressing plate 14 downward, thereby pressing the concrete test block on the support plate 12. The frame 11 is provided with a protective cover 2 in a sliding sleeve along the length direction of the threaded rod 13, and the frame 11 is provided with a fixing component 6 for fixing the protective cover 2. The whole protective cover 2 is rectangular, is provided with an opening at the bottom and a cavity at the inside, and is provided with a avoiding hole 2111 for the threaded rod 13 to pass through at the top, and the protective cover 2 is positioned at the outer side of the threaded rod 13 and above the support plate 12; a handle is welded on the outer wall of the protective cover 2, so that the protective cover 2 is convenient for an operator to hold and slide; the side wall of the protective cover 2 is provided with an observation window 2123, so that deformation conditions of the concrete test block can be observed conveniently. In order to save more effort in moving the protective cover 2, a plurality of accommodating grooves 2121 are formed on the outer walls of the two sides of the protective cover 2 along the length direction of the threaded rod 13, balls 2122 are arranged in the accommodating grooves 2121, and rolling grooves 111 for the balls 2122 to move are formed on the side walls of the frame 11, which are close to the balls 2122; the arrangement of the balls 2122 converts sliding into rolling, and the friction is smaller, so that the force is saved. In the initial state, the protective cover 2 is covered on the top surface of the support plate 12, and the bottom of the protective cover 2 is abutted with the top of the support plate 12; during the test, the protective cover 2 is moved upwards, and then the protective cover 2 is fixed through the fixing component 6, so that a gap is reserved between the protective cover 2 and the support plate 12, and a concrete test block is conveniently placed on the support plate 12; after placing the concrete test block on the support plate 12, the fixing of the protective cover 2 by the fixing component 6 is canceled, the protective cover 2 moves downwards, and then the protective cover is covered on the support plate 12 to cover the concrete test block on the support plate 12, so that fragments are prevented from splashing outwards, a protective effect is achieved, and the test process is safer.

Referring to fig. 3, the fixing assembly 6 includes a connection block 61 welded on the outer wall of the protection cover 2, a through hole is formed in the connection block 61, an inserting rod 62 is slidably inserted in the through hole, a slot 63 for inserting the end of the inserting rod 62 is formed in the frame 11, the inserting rod 62 is inserted into the slot 63 to fix the protection cover 2, a gap is left between the protection cover 2 and the support plate 12, and a concrete test block is conveniently placed on the support plate 12; a spring 64 is connected between one end of the insert rod 62 far away from the slot 63 and the connecting block 61, the spring 64 is in a tensile state, the spring 64 enables the insert rod 62 to slide towards the direction close to the slot 63, so that the end of the insert rod 62 is abutted against the slot 63, the insert rod 62 is prevented from falling, and the fixing effect of the insert rod 62 on the protective cover 2 is enhanced.

Referring to fig. 4, a positioning groove 2126 is formed in the inner side of the protective cover 2, which is close to one end of the support plate 12, a positioning block 121 matched with the positioning groove 2126 is welded on the outer side of the support plate 12, and the positioning groove 2126 is matched with the positioning block 121, so that gaps between the protective cover 2 and the support plate 12 can be reduced, the possibility of fragments splashing is further reduced, and the protective effect is enhanced. When the protective cover 2 is covered on the top surface of the support plate 12, the movement is limited only through the gravity action of the protective cover 2, in order to enhance the stability of the protective cover 2, a first magnet block 1211 is adhered to one side of the positioning block 121 close to the positioning groove 2126, a second magnet block 2127 which is attracted with the first magnet block 1211 is adhered to the inner wall of the positioning groove 2126, and the first magnet block 1211 and the second magnet block 2127 are attracted, so that the possibility of movement of the protective cover 2 can be reduced, and the stability of the protective cover 2 in a test can be enhanced.

During the test, along with the increase of the pressure of the pressing plate 14, splashed fragments can be blocked by the inner wall of the protective cover 2, so the protective cover 2 is easy to damage, and in order to reduce the impact of the splashed fragments on the inner wall of the protective cover 2, the protective cover 2 is internally provided with a buffer plate 3. Referring to fig. 5, the shield 2 includes a main body 21 and two shield plates 22 hinged to the main body 21, the two shield plates 22 being located at opposite sides, and a locking member 7 for fixing the shield plates 22 is provided on the main body 21. The main body 21 comprises a top plate 211 and two side plates 212 welded on the left side and the right side of the top plate 211, the top plate 211 is positioned at the top of the side plates 212, and an avoidance hole 2111 for the threaded rod 13 to pass through is formed in the top plate 211; the bottom of the side plate 212 is welded with a connecting frame 2125, and a positioning groove 2126 is formed on the inner side of the connecting frame 2125. The buffer plate 3 is positioned on one side of the protection plate 22, which is close to the threaded rod 13, the buffer plate 3 is arranged on the protection plate 22 in a sliding way along the direction perpendicular to the protection plate 22, a pressure spring 4 is connected between the buffer plate 3 and the protection plate 22, the pressure spring 4 is in a compressed state, and the pressure spring 4 enables the buffer plate 3 to slide towards the direction far away from the protection plate 22; in this embodiment, the locking member 7 is a bolt, the side wall of the protection plate 22, which is far away from the hinge shaft, is welded with a fixing block 221, a round hole for the bolt to pass through is formed in the fixing block 221, a bump 2124 is welded on one side of the side plate 212, which is close to the fixing block 221, a threaded hole is formed in the bump 2124, and when the protection plate 22 is closed, the bolt is screwed into the threaded hole, so that the protection plate 22 and the main body 21 can be fixedly connected. Fragments splash on the buffer plate 3, so that the pressure spring 4 can be further compressed, the buffer plate 3 can play a role in buffering, and further impact of the fragments is reduced, the protective cover 2 is protected, and the service life is prolonged; the rotary arrangement of the protection plate 22 facilitates the movement of the buffer plate 3 to the outside for regular maintenance.

Referring to fig. 6, an L-shaped plate 222 is welded on one side of the protection plate 22, which is close to the threaded rod 13, the L-shaped plate 222 is provided with four, and is respectively positioned at four corners of the protection plate 22, and the L-shaped plate 222 is provided with limiting holes; a limiting rod 31 matched with the limiting hole is welded on one side of the buffer plate 3, close to the protection plate 22, the limiting rod 31 is arranged in the limiting hole in a sliding penetrating mode, and a limiting block 311 is welded at one end, penetrating out of the limiting hole, of the limiting rod 31; the spring 64 is disposed between the stopper 311 and the shielding plate 22. Since the stopper rod 31 and the springs 64 are provided at four corners of the buffer plate 3, the movement of the buffer plate 3 is more stable. In order to be convenient for maintain buffer board 3, one side that guard plate 22 was kept away from to buffer board 3 slides and is provided with baffle 5, and one side that baffle 5 is close to buffer board 3 welds has slider 51, has offered on the buffer board 3 and has supplied gliding spout 32 of slider 51, and one side that slider 51 is close to spout 32 bonds and has first magnet strip 511, bonds on the diapire of spout 32 to have the second magnet strip 321 with first magnet strip 511 looks actuation, and first magnet strip 511 and second magnet strip 321 are mutually actuation, can fix baffle 5 on buffer board 3. Fragments can directly splash onto the baffle plate 5, and the baffle plate 5 is only required to slide down for replacement during replacement, so that the replacement is more convenient. In order to reduce the number of replacement times of the baffle 5, an elastic protection pad 52 is adhered to the side of the baffle 5 away from the buffer plate 3, and the elastic protection pad 52 is made of rubber, so that the impact of fragments can be reduced.

The implementation principle of the concrete strength test device of the embodiment of the application is as follows: before the test, the protective cover 2 is moved upwards, then the inserting rod 62 is inserted into the inserting groove 63, and the protective cover 2 is fixed, so that a gap is reserved between the protective cover 2 and the support plate 12; then placing the concrete test block on the support plate 12, after placing, extracting the inserting rod 62, moving the protective cover 2 downwards to enable the bottom of the protective cover 2 to be in contact with the top of the support plate 12, and enabling the first magnet block 1211 and the second magnet block 2127 to be attracted, so that the protective cover 2 is covered on the support plate 12, the concrete test block is located on the inner side of the protective cover 2, fragments are prevented from splashing to the outer side, and operators are protected more safely; when the test is started, the device pressurizes the pressing plate 14, fragments can splash on the elastic protection pad 52 in the protective cover 2 after the concrete test block is broken, and the elastic protection pad 52, the baffle plate 5 and the buffer plate 3 move towards the direction approaching to the protective plate 22, so that the pressure spring 4 is further compressed, partial kinetic energy of the fragments is converted into elastic potential energy of the pressure spring 4, the impact of the fragments is weakened, the protective cover 2 is protected, and the service life of the protective cover 2 is prolonged; after the baffle plate 5 or the elastic protection pad 52 is damaged, the protection plate 22 can be rotated to the outer side, and the baffle plate 5 can be slid down to slide more, so that the use is convenient.

The foregoing is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a concrete strength test device, includes test machine body (1), test machine body (1) include support body (11) and locate extension board (12) of support body (11) bottom, the top of extension board (12) is equipped with threaded rod (13) with extension board (12), its characterized in that: the utility model discloses a protection casing, including frame body (11), protection casing (2) are provided with along the length direction slip of threaded rod (13), be equipped with fixed subassembly (6) that are used for fixed protection casing (2) on frame body (11), the outside of threaded rod (13) is located to protection casing (2) cover, just protection casing (2) are located the top side of extension board (12), protection casing (2) include main part (21) and rotate guard plate (22) that set up on main part (21), be equipped with on main part (21) retaining member (7) that are used for fixed guard plate (22), one side that guard plate (22) are close to threaded rod (13) is provided with buffer board (3) along the direction slip of perpendicular to guard plate (22), be connected with pressure spring (4) between buffer board (3) and guard plate (22), pressure spring (4) are in compression state, pressure spring (4) make buffer board (3) produce towards keeping away from gliding trend of guard plate (22) direction.

2. A concrete strength testing apparatus according to claim 1, wherein: fixed subassembly (6) are including sliding inserted bar (62) of wearing to locate on main part (21), offer on support body (11) and supply inserted bar (62) tip male slot (63), slot (63) are located one side that extension board (12) are close to threaded rod (13), be connected with spring (64) between one end and main part (21) that inserted bar (62) kept away from slot (63), spring (64) are in tensile state, spring (64) make inserted bar (62) produce towards being close to the gliding trend of slot (63) direction.

3. A concrete strength testing apparatus according to claim 1, wherein: one side that guard plate (22) was kept away from to buffer board (3) is slided and is provided with baffle (5), be equipped with slider (51) on baffle (5), offer on buffer board (3) and supply slider (51) gliding spout (32), one side that slider (51) is close to spout (32) is equipped with first magnet strip (511), be equipped with in spout (32) with first magnet strip (511) mutually inhale second magnet strip (321).

4. A concrete strength testing apparatus according to claim 3, wherein: an elastic protection pad (52) is arranged on one side, far away from the buffer plate (3), of the baffle plate (5).

5. A concrete strength testing apparatus according to claim 1, wherein: the inner side of the protective cover (2) close to one end of the support plate (12) is provided with a positioning groove (2126), and the outer side of the support plate (12) is provided with a positioning block (121) matched with the positioning groove (2126).

6. A concrete strength testing apparatus according to claim 5, wherein: one side of the positioning block (121) close to the positioning groove (2126) is provided with a first magnet block (1211), and a second magnet block (2127) which is attracted with the first magnet block (1211) is arranged in the positioning groove (2126).

7. A concrete strength testing apparatus according to claim 1, wherein: a plurality of accommodating grooves (2121) are formed in one side, close to the frame body (11), of the main body (21) along the length direction of the threaded rod (13), balls (2122) are arranged in the accommodating grooves (2121), and rolling grooves (111) for the balls (2122) to move are formed in one side, close to the balls (2122), of the frame body (11).

8. A concrete strength testing apparatus according to claim 1, wherein: an observation window (2123) is arranged on the side wall of the main body (21).