CN219391576U - Cement strength's verifying attachment - Google Patents

Abstract

A cement strength inspection device relates to a cement performance inspection device. The utility model aims to solve the technical problems that the existing cement hardness detection device can only detect one fixed position on a cement concrete slab, and when more data are required to be acquired, the concrete slab is required to be moved by manpower, and the detection mode is time-consuming and labor-consuming. According to the utility model, the sliding disc is driven by the handheld vertical rod to slide in the inner cavity until the pressure sensor is positioned right above a to-be-tested point of the cement sample, and the two jackscrews are screwed to fix the sliding disc in a propped mode, so that the position of the sliding disc, which is influenced by displacement, is prevented from being influenced by the position to be tested, and the electric hydraulic push rod is downwards moved by the controller, so that the pressure sensor performs strength test on the position to be tested. The cement sample to be tested is not moved any more during the test. The cement strength inspection device provided by the utility model has the advantages of simple structure, convenience in use, capability of easily testing the strength of different positions of a cement sample, and strong practicability.

Description

Cement strength's verifying attachment

Technical Field

The utility model relates to a cement performance inspection device.

Background

Cement is a powdery hydraulic inorganic cementing material, is slurry after being added with water and stirred, can be hardened in air or water, can firmly bond sand, stone and other materials together, and is the most commonly used material in construction. The cement need detect its hardness after mixing, judge whether can possess stronger bearing capacity, and present cement hardness detection device can only detect a fixed position on the cement concrete slab piece, when needs obtain more data, need rely on the manpower to carry out the position movement with the concrete slab piece, this kind of inspection mode wastes time and energy. For example, patent CN216350066U discloses an automatic inspection device for cement physical and mechanical properties, where the pressure sensor 305 can only move linearly on the first screw 302, and can only detect a point on a certain straight line of the cement to be inspected, and if the point on another straight line is to be inspected, the position of the cement to be inspected needs to be manually moved, which is time-consuming and labor-consuming.

Disclosure of Invention

The utility model aims to solve the technical problems that the existing cement hardness detection device can only detect one fixed position on a cement concrete slab, and when more data are required to be acquired, the concrete slab needs to be moved by manpower, and the detection mode is time-consuming and labor-consuming, so that the cement strength detection device is provided.

The cement strength inspection device consists of a bottom plate 1, a fixed clamping plate 2, an outer frame 3, a sliding clamping plate 4, a sliding rod 5, an electric hydraulic push rod 6, a pressure sensor 7, a spring 8, a jackscrew 9, a sliding disc 10 and a controller;

a fixed clamping plate 2 and a sliding clamping plate 4 are arranged in the center of the upper surface of the bottom plate 1, and the fixed clamping plate 2 is fixed on the bottom plate 1; the sliding clamping plate 4 is in sliding connection with the upper surface of the bottom plate 1, a sliding rod 5 is fixed on one side of the sliding clamping plate 4 away from the fixed clamping plate 2, a spring 8 is sleeved outside the sliding rod 5, and the lower part of the spring 8 is in contact with the upper surface of the bottom plate 1; the upper surface of the bottom plate 1 is provided with a circle of grooves 1-1; the bottom plate 1 is provided with an outer frame 3, the outer frame 3 falls into the groove 1-1, a first through hole 3-3 is arranged in the center of the bottom of the side wall of the outer frame 3, which is positioned on the sliding rod 5, and the sliding rod 5 passes through the first through hole 3-3 and is in sliding connection; the spring 8 is entirely inside the outer frame 3; the fixed clamping plate 2 and the sliding clamping plate 4 are tightly attached under the action of the spring 8; the top of the outer frame 3 is provided with an inner cavity 3-4, a sliding disc 10 is arranged in the inner cavity 3-4 and is in sliding connection with the inner cavity 3-4, and a vertical rod 10-1 is fixed at the center of the upper surface of the sliding disc 10; the center of the top of the outer frame 3 is provided with a second through hole 3-1, two sides of the second through hole 3-1 are symmetrically provided with two third through holes 3-2, and two jackscrews 9 respectively penetrate through one third through hole 3-2 to prop against the upper surface of the sliding disc 10; the vertical rod 10-1 passes through the second through hole 3-1; the electric hydraulic push rod 6 is vertically fixed at the center of the lower surface of the sliding disc 10, the pressure sensor 7 is arranged at the bottom end of the electric hydraulic push rod 6, the signal output end of the pressure sensor 7 is connected with the signal input end of the controller, and the signal input end of the electric hydraulic push rod 6 is connected with the signal output end of the controller.

The using method of the cement strength inspection device comprises the following steps: pushing the sliding clamping plate 4 towards the direction of the first through hole 3-3, compressing the spring 8, placing a cement sample (not shown in the figure) to be detected on the bottom plate 1 and between the fixed clamping plate 2 and the sliding clamping plate 4; the two jackscrews 9 are loosened, the hand-held vertical rod 10-1 drives the sliding disc 10 to slide in the inner cavity 3-4 until the pressure sensor 7 is positioned right above a to-be-measured point of the cement sample, the two jackscrews 9 are screwed to fix the sliding disc 10 in a propped mode, so that the position, which is influenced by displacement, is prevented from being influenced by the to-be-measured position, and the electric hydraulic push rod 6 is downwards moved by the controller, so that the pressure sensor 7 performs strength test on the to-be-measured position. When the testing position needs to be replaced, the two jackscrews 9 are loosened, the hand-held vertical rod 10-1 drives the sliding disc 10 to slide in the inner cavity 3-4 until the pressure sensor 7 is located right above a to-be-tested point of the cement sample, the two jackscrews 9 are screwed to fix the sliding disc 10 in a jacking mode, so that the position, which is influenced by displacement, of the sliding disc 10 is prevented, and the electric hydraulic push rod 6 is enabled to move downwards through the controller, so that the pressure sensor 7 performs strength testing on the to-be-tested position. The cement sample to be tested is not moved any more during the test.

The cement strength inspection device provided by the utility model has the advantages of simple structure, convenience in use, capability of easily testing the strength of different positions of a cement sample, and strong practicability.

Drawings

FIG. 1 is a front view of a cement strength testing apparatus according to a first embodiment;

fig. 2 is a top view of the outer frame 3 of fig. 1;

fig. 3 is a right side view of the outer frame 3 of fig. 1;

fig. 4 is a top view of the base plate 1 in fig. 1.

Detailed Description

The first embodiment is as follows: the embodiment is a cement strength inspection device, as shown in fig. 1-4, specifically comprising a bottom plate 1, a fixed clamping plate 2, an outer frame 3, a sliding clamping plate 4, a sliding rod 5, an electric hydraulic push rod 6, a pressure sensor 7, a spring 8, a jackscrew 9, a sliding disc 10 and a controller;

a fixed clamping plate 2 and a sliding clamping plate 4 are arranged in the center of the upper surface of the bottom plate 1, and the fixed clamping plate 2 is fixed on the bottom plate 1; the sliding clamping plate 4 is in sliding connection with the upper surface of the bottom plate 1, a sliding rod 5 is fixed on one side of the sliding clamping plate 4 away from the fixed clamping plate 2, a spring 8 is sleeved outside the sliding rod 5, and the lower part of the spring 8 is in contact with the upper surface of the bottom plate 1; the upper surface of the bottom plate 1 is provided with a circle of grooves 1-1; the bottom plate 1 is provided with an outer frame 3, the outer frame 3 falls into the groove 1-1, a first through hole 3-3 is arranged in the center of the bottom of the side wall of the outer frame 3, which is positioned on the sliding rod 5, and the sliding rod 5 passes through the first through hole 3-3 and is in sliding connection; the spring 8 is entirely inside the outer frame 3; the fixed clamping plate 2 and the sliding clamping plate 4 are tightly attached under the action of the spring 8; the top of the outer frame 3 is provided with an inner cavity 3-4, a sliding disc 10 is arranged in the inner cavity 3-4 and is in sliding connection with the inner cavity 3-4, and a vertical rod 10-1 is fixed at the center of the upper surface of the sliding disc 10; the center of the top of the outer frame 3 is provided with a second through hole 3-1, two sides of the second through hole 3-1 are symmetrically provided with two third through holes 3-2, and two jackscrews 9 respectively penetrate through one third through hole 3-2 to prop against the upper surface of the sliding disc 10; the vertical rod 10-1 passes through the second through hole 3-1; the electric hydraulic push rod 6 is vertically fixed at the center of the lower surface of the sliding disc 10, the pressure sensor 7 is arranged at the bottom end of the electric hydraulic push rod 6, the signal output end of the pressure sensor 7 is connected with the signal input end of the controller, and the signal input end of the electric hydraulic push rod 6 is connected with the signal output end of the controller.

The cement strength inspection device of the present embodiment is used by: pushing the sliding clamping plate 4 towards the direction of the first through hole 3-3, compressing the spring 8, placing a cement sample (not shown in the figure) to be detected on the bottom plate 1 and between the fixed clamping plate 2 and the sliding clamping plate 4; the two jackscrews 9 are loosened, the hand-held vertical rod 10-1 drives the sliding disc 10 to slide in the inner cavity 3-4 until the pressure sensor 7 is positioned right above a to-be-measured point of the cement sample, the two jackscrews 9 are screwed to fix the sliding disc 10 in a propped mode, so that the position, which is influenced by displacement, is prevented from being influenced by the to-be-measured position, and the electric hydraulic push rod 6 is downwards moved by the controller, so that the pressure sensor 7 performs strength test on the to-be-measured position. When the testing position needs to be replaced, the two jackscrews 9 are loosened, the hand-held vertical rod 10-1 drives the sliding disc 10 to slide in the inner cavity 3-4 until the pressure sensor 7 is located right above a to-be-tested point of the cement sample, the two jackscrews 9 are screwed to fix the sliding disc 10 in a jacking mode, so that the position, which is influenced by displacement, of the sliding disc 10 is prevented, and the electric hydraulic push rod 6 is enabled to move downwards through the controller, so that the pressure sensor 7 performs strength testing on the to-be-tested position. The cement sample to be tested is not moved any more during the test.

The cement strength inspection device of the embodiment has the advantages of simple structure, convenience in use and strong practicability, and can be used for easily testing the strength of different positions of a cement sample.

The second embodiment is as follows: the first difference between this embodiment and the specific embodiment is that: the sliding rod 5 is of a cylindrical structure. The other is the same as in the first embodiment.

And a third specific embodiment: this embodiment differs from the first or second embodiment in that: the third through hole 3-2 is a round hole. The other embodiments are the same as those of the first or second embodiment.

The specific embodiment IV is as follows: this embodiment differs from one of the first to third embodiments in that: the diameter of the sliding disc 10 is larger than the distance between the two third through holes 3-2. The other is the same as in one of the first to third embodiments.

Fifth embodiment: the fourth difference between this embodiment and the third embodiment is that: the fixed clamping plate 2 and the sliding clamping plate 4 are both cuboid structures. The other is the same as in the fourth embodiment.

The utility model was verified with the following test:

test one: the test is a cement strength testing device, as shown in fig. 1-4, and specifically comprises a bottom plate 1, a fixed clamping plate 2, an outer frame 3, a sliding clamping plate 4, a sliding rod 5, an electric hydraulic push rod 6, a pressure sensor 7, a spring 8, a jackscrew 9, a sliding disc 10 and a controller; the sliding rod 5 is of a cylindrical structure; the fixed clamping plate 2 and the sliding clamping plate 4 are both cuboid structures;

a fixed clamping plate 2 and a sliding clamping plate 4 are arranged in the center of the upper surface of the bottom plate 1, and the fixed clamping plate 2 is fixed on the bottom plate 1; the sliding clamping plate 4 is in sliding connection with the upper surface of the bottom plate 1, a sliding rod 5 is fixed on one side of the sliding clamping plate 4 away from the fixed clamping plate 2, a spring 8 is sleeved outside the sliding rod 5, and the lower part of the spring 8 is in contact with the upper surface of the bottom plate 1; the upper surface of the bottom plate 1 is provided with a circle of grooves 1-1; the bottom plate 1 is provided with an outer frame 3, the outer frame 3 falls into the groove 1-1, a first through hole 3-3 is arranged in the center of the bottom of the side wall of the outer frame 3, which is positioned on the sliding rod 5, and the sliding rod 5 passes through the first through hole 3-3 and is in sliding connection; the spring 8 is entirely inside the outer frame 3; the fixed clamping plate 2 and the sliding clamping plate 4 are tightly attached under the action of the spring 8; the top of the outer frame 3 is provided with an inner cavity 3-4, a sliding disc 10 is arranged in the inner cavity 3-4 and is in sliding connection with the inner cavity 3-4, and a vertical rod 10-1 is fixed at the center of the upper surface of the sliding disc 10; the center of the top of the outer frame 3 is provided with a second through hole 3-1, two sides of the second through hole 3-1 are symmetrically provided with two third through holes 3-2, and two jackscrews 9 respectively penetrate through one third through hole 3-2 to prop against the upper surface of the sliding disc 10; the vertical rod 10-1 passes through the second through hole 3-1; an electric hydraulic push rod 6 is vertically fixed at the center of the lower surface of the sliding disc 10, a pressure sensor 7 is arranged at the bottom end of the electric hydraulic push rod 6, the signal output end of the pressure sensor 7 is connected with the signal input end of the controller, and the signal input end of the electric hydraulic push rod 6 is connected with the signal output end of the controller; the third through hole 3-2 is a round hole; the diameter of the sliding disc 10 is larger than the distance between the two third through holes 3-2.

The using method of the cement strength testing device for the test comprises the following steps: pushing the sliding clamping plate 4 towards the direction of the first through hole 3-3, compressing the spring 8, placing a cement sample (not shown in the figure) to be detected on the bottom plate 1 and between the fixed clamping plate 2 and the sliding clamping plate 4; the two jackscrews 9 are loosened, the hand-held vertical rod 10-1 drives the sliding disc 10 to slide in the inner cavity 3-4 until the pressure sensor 7 is positioned right above a to-be-measured point of the cement sample, the two jackscrews 9 are screwed to fix the sliding disc 10 in a propped mode, so that the position, which is influenced by displacement, is prevented from being influenced by the to-be-measured position, and the electric hydraulic push rod 6 is downwards moved by the controller, so that the pressure sensor 7 performs strength test on the to-be-measured position. When the testing position needs to be replaced, the two jackscrews 9 are loosened, the hand-held vertical rod 10-1 drives the sliding disc 10 to slide in the inner cavity 3-4 until the pressure sensor 7 is located right above a to-be-tested point of the cement sample, the two jackscrews 9 are screwed to fix the sliding disc 10 in a jacking mode, so that the position, which is influenced by displacement, of the sliding disc 10 is prevented, and the electric hydraulic push rod 6 is enabled to move downwards through the controller, so that the pressure sensor 7 performs strength testing on the to-be-tested position. The cement sample to be tested is not moved any more during the test.

The cement strength testing device is simple in structure, convenient to use and high in practicability, and can be used for testing the strength of cement samples at different positions easily.

Claims (5)

1. The cement strength inspection device is characterized by comprising a bottom plate (1), a fixed clamping plate (2), an outer frame (3), a sliding clamping plate (4), a sliding rod (5), an electric hydraulic push rod (6), a pressure sensor (7), a spring (8), a jackscrew (9), a sliding disc (10) and a controller;

a fixed clamping plate (2) and a sliding clamping plate (4) are arranged in the center of the upper surface of the bottom plate (1), and the fixed clamping plate (2) is fixed on the bottom plate (1); the sliding clamp plate (4) is in sliding connection with the upper surface of the bottom plate (1), a sliding rod (5) is fixed on one side, far away from the fixed clamp plate (2), of the sliding clamp plate (4), a spring (8) is sleeved outside the sliding rod (5), and the lower part of the spring (8) is in contact with the upper surface of the bottom plate (1); the upper surface of the bottom plate (1) is provided with a circle of grooves (1-1); an outer frame (3) is arranged on the bottom plate (1), the outer frame (3) falls into the groove (1-1), a first through hole (3-3) is arranged in the center of the bottom of the side wall of the sliding rod (5), and the sliding rod (5) passes through the first through hole (3-3) and is in sliding connection; the spring (8) is completely arranged inside the outer frame (3); the fixed clamping plate (2) is tightly attached to the sliding clamping plate (4) under the action of the spring (8); an inner cavity (3-4) is arranged at the top of the outer frame (3), a sliding disc (10) is arranged in the inner cavity (3-4) and is in sliding connection with the inner cavity (3-4), and a vertical rod (10-1) is fixed at the center of the upper surface of the sliding disc (10); the center of the top of the outer frame (3) is provided with a second through hole (3-1), two sides of the second through hole (3-1) are symmetrically provided with two third through holes (3-2), and two jackscrews (9) respectively penetrate through one third through hole (3-2) to prop against the upper surface of the sliding disc (10); the vertical rod (10-1) passes through the second through hole (3-1); the electric hydraulic push rod (6) is vertically fixed at the center of the lower surface of the sliding disc (10), the pressure sensor (7) is arranged at the bottom end of the electric hydraulic push rod (6), the signal output end of the pressure sensor (7) is connected with the signal input end of the controller, and the signal input end of the electric hydraulic push rod (6) is connected with the signal output end of the controller.

2. A cement strength testing device according to claim 1, characterized in that the sliding rod (5) is of cylindrical construction.

3. A cement strength testing device according to claim 1, wherein the third through-hole (3-2) is a circular hole.

4. A cement strength testing device according to claim 1, characterized in that the diameter of the sliding disc (10) is larger than the distance between the two third through holes (3-2).

5. The cement strength inspection apparatus according to claim 1, wherein the fixed clamping plate (2) and the sliding clamping plate (4) are both rectangular parallelepiped structures.