CN220040068U - Concrete strength measuring device - Google Patents

Abstract

The utility model relates to a concrete strength measuring device which comprises a base, wherein the upper surface of the base is fixedly connected with a pair of supporting plates, the upper sides of the supporting plates are fixedly connected with a top plate, the lower surface of the top plate is fixedly connected with a hydraulic cylinder, a piston rod of the hydraulic cylinder is fixedly connected with a pressing plate, the upper surface of the base is abutted to a storage supporting plate, and two sides of the top plate are rotatably connected with movable doors. The utility model has the effect of reducing the possibility of injuring people when the concrete fragments splash during the concrete strength test.

Description

Concrete strength measuring device

Technical Field

The utility model relates to the field of concrete testing, in particular to a concrete strength measuring device.

Background

The strength of concrete is an important indicator for measuring the quality of concrete. The strength of the concrete is obtained by detecting the concrete test block through a concrete strength testing device. The staff places the retarded soil test block on the intensity detection device, and the hydraulic device extrudes the concrete block until the concrete test block is broken.

The utility model patent of China with the prior art of authorizing bulletin number CN216208080U discloses a concrete strength measuring device for engineering supervision, which comprises a bottom plate, wherein four support rods are fixedly connected to the upper surface of the bottom plate, a top plate is fixedly connected to a support rod top pipe, an electric hydraulic push rod is arranged below the top plate, a detection ball is fixedly connected to the lower end of the electric hydraulic push rod, a placing plate is arranged above the bottom plate, a double-shaft motor is connected to the upper surface of the bottom plate, a connecting rod is connected to the double-shaft motor, the connecting rod is U-shaped, and a clamping plate is fixedly connected to one end, far away from the double-shaft motor, of the connecting rod. When the concrete strength needs to be measured, the concrete test block is placed on the upper surface of the placing plate, the double-shaft motor is started to drive the connecting rod to move towards opposite directions, the clamping plate is used for clamping the concrete test block, then the electric hydraulic push rod is started, and the ball is detected to impact the concrete test block until the test block is broken.

With respect to the related art described above, the inventors believe that there is a defect in that the scattering of fragments during the breaking of the extruded concrete test pieces during operation may cause injury to the human body.

Disclosure of Invention

In order to solve the problem that fragments splash in the breaking process of a concrete test block possibly hurt people, the utility model provides a concrete strength measuring device.

The utility model provides a concrete strength measuring device, which adopts the following technical scheme:

the utility model provides a concrete strength measuring device, includes the base, base upper surface fixedly connected with a pair of backup pad, backup pad upside fixedly connected with roof, fixedly connected with pneumatic cylinder under the roof, the piston rod fixedly connected with clamp plate of pneumatic cylinder, base upper surface butt has puts the thing layer board, the roof both sides all rotate and are connected with the dodge gate.

Through adopting above-mentioned technical scheme, the concrete test block is put at putting thing layer board upper surface, puts the thing layer board and arranges the clamp plate below, closes the dodge gate, starts the pneumatic cylinder and makes the piston rod extension, and the piston rod drives clamp plate extrusion concrete test block until the concrete test block broken shape, and when the concrete test block was broken, the fragment of splashing can be blocked by dodge gate and backup pad, has the effect that reduces the concrete fragment and splashes the injury possibility that causes the people.

Optionally, a pair of splint is arranged above the object placing support plate, and the object placing support plate is provided with a driving component for driving the two splints to move towards the direction of approaching or away from each other.

Through adopting above-mentioned technical scheme, when needs carry out the centre gripping fixed to the concrete test block, use drive assembly to make splint to the direction removal of keeping away from each other earlier, place the concrete test block at putting thing layer board upper surface. And then the driving assembly is used for enabling the clamping plates to move towards the directions close to each other, so that the clamping of the concrete test block is realized, and the concrete test block is fixed.

Optionally, the drive assembly includes two-way lead screw, put thing layer board upper surface and be equipped with the lead screw groove, two-way lead screw is arranged in the lead screw inslot and is rotated with putting the thing layer board and be connected, two-way lead screw threaded connection has a pair of slider, every the equal fixedly connected with of slider upper surface corresponds the fixed plate that sets up with splint, fixed plate upper surface and splint upper surface fixed connection, two-way lead screw's one end is worn out and fixedly connected with runner from putting thing layer board lateral wall.

Through adopting above-mentioned technical scheme, when rotating the runner, the runner drives two-way lead screw rotation, and two-way lead screw drives the slider and removes to the direction that is close to each other, and the slider drives the fixed plate and removes to the direction that is close to each other, and the fixed plate drives splint and removes to the direction that is close to each other, and then makes splint fix concrete test block.

Optionally, a pair of bracing piece of thing layer board upper surface fixedly connected with, bracing piece upper end fixedly connected with spacing slide bar, splint keep away from the one end of bi-directional lead screw be equipped with spacing hole that spacing slide bar slides and cup joints.

Through adopting above-mentioned technical scheme, spacing slide bar and spacing hole are led splint, have increased splint stability in the removal process.

Optionally, the two clamping plates are fixedly connected with an anti-slip pad at one side close to each other.

Through adopting above-mentioned technical scheme, when centre gripping concrete test block, slipmat and concrete test block butt, slipmat have improved the stability of splint centre gripping concrete test block.

Optionally, a door lock assembly for fixing the movable door is arranged between each movable door and the base.

By adopting the scheme, the movable door can be fixed relative to the base when being closed, so that the possibility of hurting people by broken and splashed fragments of the concrete test block is reduced.

Optionally, every door lock subassembly is all including the first fixed block with dodge gate lateral wall fixed connection, one side that the dodge gate was kept away from to first fixed block is equipped with first fixed slot, first fixed block both sides are equipped with the spliced eye with first fixed slot intercommunication, the downthehole joint of spliced pole that has, the vertical lateral wall fixedly connected with second fixed block of base, one side that the base was kept away from to the second fixed block is equipped with the second fixed slot, be equipped with in the second fixed slot with second fixed block fixed connection's pivot, the pivot rotates and is connected with the keeper, the one end that the pivot was kept away from to the keeper is equipped with the fixed orifices that supplies the spliced pole to peg graft.

Through adopting above-mentioned scheme, when the dodge gate was closed, rotated the keeper and made the keeper place in first fixed slot, plug rod and fixed orifices grafting, it is fixed with first fixed block with the keeper, and then fixed with the dodge gate. When the movable door needs to be opened, the inserting connection rod is separated from the fixing hole, and the bolt is rotated to separate the bolt from the first fixing groove, so that the restriction on the movable door can be relieved.

When the door bolt is fixed with the first fixed block, the door bolt is abutted with the outer side wall of the object placing support plate, the door bolt fixes the object placing support plate, and the stability of the object placing support plate when the object placing support plate is placed on the upper surface of the base is improved.

Optionally, one side of the backup pad near the thing layer board of putting is fixedly connected with stopper, one side of putting the thing layer board near the backup pad is equipped with the gliding spout of confession stopper.

Through adopting above-mentioned scheme, at the in-process of removing the putting layer board, the stopper slides in the spout, has the effect that increases the stability of putting layer board in-process of removing.

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

1. when the strength of the concrete is to be tested, firstly, a concrete test block is placed on a placing supporting plate, a rotating wheel is rotated, a clamping plate is used for clamping the concrete test block, a movable door is closed and fixed through a door lock assembly, a hydraulic cylinder pressing plate is started to press the concrete test block until the concrete test block is broken, and concrete fragments can be blocked by a supporting plate and the movable door, so that the possibility of hurting people due to splashing of the concrete fragments is reduced;

2. when the clamping plate is required to clamp the concrete test block, the limiting slide rod and the limiting hole guide the clamping plate, so that the stability of the clamping plate in the moving process is improved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model.

Fig. 2 is a schematic diagram showing a structure of a movable door according to an embodiment of the present utility model.

FIG. 3 is a schematic view of a pallet structure embodying an embodiment of the present utility model.

Fig. 4 is a schematic view of a door bolt embodying an embodiment of the present utility model.

FIG. 5 is a schematic view of a plug rod and a fixation hole embodying an embodiment of the present utility model.

Reference numerals illustrate: 1. a base; 2. a support plate; 21. a limiting block; 3. a top plate; 31. a hydraulic cylinder; 32. a pressing plate; 4. a placement support plate; 41. a clamping plate; 42. a drive assembly; 421. a bidirectional screw rod; 422. a slide block; 423. a fixing plate; 424. a rotating wheel; 43. a screw groove; 44. an anti-slip pad; 45. a limiting hole; 46. a support rod; 47. a limit slide bar; 48. a chute; 5. a movable door; 51. a handle; 6. a door lock assembly; 61. a first fixed block; 62. a first fixing groove; 63. a plug hole; 64. inserting a connecting rod; 65. a second fixed block; 66. a second fixing groove; 67. a rotating shaft; 68. a door bolt; 69. and a fixing hole.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses a concrete strength measuring device.

As shown in fig. 1 and 2, the concrete strength measuring device comprises a base 1, wherein the upper surface of the base 1 is fixedly connected with a pair of support plates 2, the upper parts of the side walls of the support plates 2 are fixedly connected with a top plate 3, the lower surface of the top plate 3 is fixedly connected with a hydraulic cylinder 31, and the lower end of a piston rod of the hydraulic cylinder 31 is fixedly connected with a pressing plate 32. The two sides of the top plate 3 are both rotationally connected with a movable door 5, the outer side surface of the movable door 5 is provided with a handle 51, the upper surface of the base 1 is abutted with the object placing supporting plate 4, when the movable door 5 is rotated downwards, the movable door 5 is in a closed state, and at the moment, the lower edge of the movable door 5 is abutted with the upper surface of the object placing supporting plate 4; when the movable door 5 is rotated upward, the movable door 5 is opened.

The upper surface of the object placing support plate 4 is provided with a pair of clamping plates 41, a driving component 42 is connected between the object placing support plate 4 and the clamping plates 41, and the driving component 42 drives the clamping plates 41 to move in the direction of approaching each other or the direction of separating from each other.

When the measurement of concrete strength is needed, the concrete test block is placed on the upper surface of the placing support plate 4, the driving assembly 42 drives the clamping plates 41 to move towards one side close to each other, the clamping plates 41 clamp the concrete test block, the movable door 5 is closed, the hydraulic cylinder 31 is started, the piston rod of the hydraulic cylinder 31 moves downwards, the pressing plate 32 is driven to move downwards, and the concrete test block is extruded, so that the concrete strength test is performed.

The concrete fragments are splashed in the process of extruding and breaking the concrete test block, and the splashed concrete fragments are blocked by the movable door 5 and the supporting plate 2, so that the possibility of injury caused by the splashing of the concrete fragments is reduced.

As shown in fig. 1 and 3, the driving assembly 42 includes a bi-directional screw 421, a screw groove 43 is provided on the upper surface of the object placing support plate 4, the bi-directional screw 421 is disposed in the screw groove 43, and the bi-directional screw 421 is rotatably connected with the object placing support plate 4. The two-way lead screw 421 is connected with a pair of sliders 422 in a threaded manner, the upper surface of each slider 422 is fixedly connected with a fixing plate 423, the upper surface of the fixing plate 423 is fixedly connected with the lower surface of the clamping plate 41, and one side, close to each other, of the two clamping plates 41 is fixedly connected with an anti-slip pad 44. One end of the bidirectional screw 421 penetrates out of the side wall of the object placing supporting plate 4 and is fixedly connected with a rotating wheel 424.

When the concrete test block needs to be fixed, the concrete test block is placed on the upper surface of the placing support plate 4, the rotating wheel 424 is rotated, the sliding block 422 drives the fixing plate 423 to move in the direction of approaching each other, and the fixing plate 423 drives the clamping plate 414 to move in the direction of approaching each other, so that the concrete test block is clamped.

As shown in fig. 2 and 3, the upper surface of the object placing support plate 4 is provided with a pair of support rods 46, and the upper ends of the support rods 46 are fixedly connected with limit slide rods 47. The clamping plate 41 is provided with a limiting hole 45 at one end far away from the bidirectional screw 421, and the limiting hole 45 is sleeved on the limiting slide rod 47 in a sliding manner.

The axis direction of the limiting slide bar 47 is parallel to the axis direction of the bidirectional screw 421, the clamping plate 41 can move along the direction of the limiting slide bar 47, and the limiting slide bar 47 guides the clamping plate 41, so that the stability of the clamping plate 41 in the moving process is improved.

As shown in fig. 1 and 4, a door lock assembly 6 is disposed between each movable door 5 and the base 1, and when the movable door 5 is closed to perform extrusion test on the concrete test block, the door lock assembly 6 fixes the movable door 5 and the base 1 to each other. When the test is finished, the door lock assembly 6 releases the fixation of the movable door 5, the movable door 5 is opened, the placing support plate 4 is taken out, and the concrete fragments are collected and cleaned. The fixed movable door 5 can further reduce the possibility of injuring people by splashing of concrete fragments when the strength of the concrete is tested.

As shown in fig. 4 and 5, each door lock assembly 6 includes a first fixing block 61 fixedly connected to a side wall of the movable door 5, a first fixing groove 62 is disposed on a side of the first fixing block 61 away from the movable door 5, inserting holes 63 are disposed on two sides of the first fixing block 61, the inserting holes 63 are communicated with the first fixing groove 62, and inserting rods 64 are inserted into the inserting holes 63. The vertical lateral wall fixedly connected with second fixed block 65 of base 1, one side that second fixed block 65 kept away from base 1 is equipped with second fixed slot 66, be equipped with pivot 67 in the second fixed slot 66, pivot 67 and second fixed block 65 fixed connection, pivot 67 rotates and is connected with keeper 68, be equipped with fixed orifices 69 in the one end that keeper 68 kept away from pivot 67, when keeper 68 rotates in first fixed slot 62, insert pole 64 passes spliced in fixed orifices 69 through spliced eye 63, keeper 68 and put thing layer board 4 lateral wall butt, insert pole 64 is fixed keeper 68 and first fixed block 61 connection, and then it is fixed with dodge gate 5.

When the movable door 5 needs to be opened, the plug rod 64 is pulled out of the fixing hole 69, and the door bolt 68 is rotated to separate the door bolt 68 from the first fixing groove 62, so that the movable door 5 can be opened.

When the door bolt 68 is placed in the first fixing groove 62 to fix the movable door 5, the door bolt 68 is abutted against the side wall of the object placing support plate 4 at this time, and the door bolt 68 has the effect of stabilizing the object placing support plate 4 when placed on the upper surface of the base 1.

As shown in fig. 1 and 3, a chute 48 is arranged on one side of the object placing support plate 4 close to the support plate 2, and a limiting block 21 is fixedly connected on one side of the support plate 2 close to the object placing support plate 4. The limiting block 21 is in sliding connection with the sliding groove 48, and in the process of moving the object placing supporting plate 4, the limiting block 21 slides in the sliding groove 48, so that stability in the process of moving the object placing supporting plate 4 is improved.

The utility model relates to a concrete strength measuring device, which is implemented by the following principle: when the concrete strength measurement is required, the concrete test block is placed on the upper surface of the placing support plate 4, the rotating wheel 424 is rotated to enable the clamping plate 41 to clamp the concrete test block, the movable door 5 is closed, the door bolt 68 is rotated into the first fixing groove 62, the inserting connection rod 64 is inserted into the fixing hole 69, the door bolt 68 is abutted to the side surface of the placing support plate 4, the hydraulic cylinder 31 is started, the piston rod of the hydraulic cylinder 31 drives the pressing plate 32 to move, and the concrete test block is pressed until the concrete test block is broken.

When the concrete strength measurement is completed, the plug rod 64 is pulled out, the door bolt 68 is rotated out of the first fixed groove 62, the movable door 5 is opened, the placing support plate 4 is slid out along the direction of the sliding groove 48, and the concrete fragments are collected.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (7)

1. The utility model provides a concrete strength measuring device which characterized in that: the novel lifting device comprises a base (1), wherein a pair of supporting plates (2) are fixedly connected to the upper surface of the base (1), a top plate (3) is fixedly connected to the upper side of the supporting plates (2), a hydraulic cylinder (31) is fixedly connected to the lower surface of the top plate (3), a pressing plate (32) is fixedly connected to a piston rod of the hydraulic cylinder (31), a storage supporting plate (4) is abutted to the upper surface of the base (1), and movable doors (5) are rotatably connected to two sides of the top plate (3); one side of the supporting plate (2) close to the object placing supporting plate (4) is fixedly connected with a limiting block (21), one side of the object placing supporting plate (4) close to the supporting plate (2) is provided with a sliding groove (48) for the limiting block (21) to slide, and the limiting block (21) is in sliding connection with the sliding groove (48).

2. A concrete strength measuring apparatus according to claim 1, wherein: a pair of clamping plates (41) are arranged above the object placing supporting plate (4), and the object placing supporting plate (4) is provided with a driving component (42) for driving the two clamping plates (41) to move towards the direction of approaching to each other or the direction of separating from each other.

3. A concrete strength measuring apparatus according to claim 2, wherein: the driving assembly (42) comprises a bidirectional screw (421), a screw groove (43) is formed in the upper surface of the article placing support plate (4), the bidirectional screw (421) is arranged in the screw groove (43) and is rotationally connected with the article placing support plate (4), a pair of sliding blocks (422) are connected with each other in a threaded mode, fixing plates (423) are fixedly connected to the upper surfaces of the sliding blocks (422) and are correspondingly arranged with the clamping plates (41), the upper surfaces of the fixing plates (423) are fixedly connected with the lower surface of the clamping plates (41), and one ends of the bidirectional screws (421) penetrate out of the side walls of the article placing support plate (4) and are fixedly connected with rotating wheels (424).

4. A concrete strength measuring apparatus according to claim 2, wherein: the upper surface of the object placing supporting plate (4) is fixedly connected with a pair of supporting rods (46), the upper ends of the supporting rods (46) are fixedly connected with limiting sliding rods (47), and one end, far away from the bidirectional screw rod (421), of the clamping plate (41) is provided with limiting holes (45) which are in sliding sleeve joint with the limiting sliding rods (47).

5. A concrete strength measuring apparatus according to claim 2, wherein: the two clamping plates (41) are fixedly connected with anti-slip pads (44) at the sides close to each other.

6. A concrete strength measuring apparatus according to claim 1, wherein: a door lock assembly (6) for fixing the movable door (5) is arranged between each movable door (5) and the base (1).

7. A concrete strength measuring apparatus according to claim 6, wherein: every door lock assembly (6) all including first fixed block (61) with dodge gate (5) lateral wall fixed connection, one side that dodge gate (5) was kept away from to first fixed block (61) is equipped with first fixed slot (62), first fixed block (61) both sides are equipped with spliced eye (63) with first fixed slot (62) intercommunication, spliced pole (64) have been inserted in spliced eye (63), vertical lateral wall fixedly connected with second fixed block (65) of base (1), one side that base (1) was kept away from to second fixed block (65) is equipped with second fixed slot (66), be equipped with in second fixed slot (66) with second fixed block (65) fixed connection's pivot (67), pivot (67) rotation is connected with keeper (68), the one end that pivot (67) were kept away from to keeper (68) is equipped with fixed orifices (69) that supply spliced pole (64).