Portable concrete strength detection equipment

Abstract

The utility model discloses portable concrete strength detection equipment which comprises a box body, a handle is arranged at the top of the box body, a supporting plate is arranged on the outer wall of the box body, the bottom of the supporting plate is rotatably connected to the bottom of the box body, a pressure sensor is arranged on one side of the outer wall of the box body, and a pressure sensor is arranged on the other side of the box body. The outer wall of the pressure sensor is fixedly connected with a contact end. The utility model relates to the technical field of concrete strength detection equipment, through the cooperation of the insertion slot, the insertion strip and the clamping block, when the detection device is used, the supporting plate is opened, the insertion strip is inserted into the insertion slot, and the clamping block fixes the insertion strip under the action of the spring, so that the moving wheel at one end of the supporting plate is put down, and the detection device is convenient to use. The concrete test block detection device is simple in structure, convenient to move and capable of solving the problems that in the prior art, detection equipment is large in size and weight and not suitable for being carried and used during use, and potential safety hazards exist due to the fact that powder and fragments splash when concrete test blocks are broken.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete strength testing equipment, in particular to a portable concrete strength testing equipment. Background Art

[0002] Concrete refers to a mixture made of organic, inorganic or organic-inorganic composite, granular aggregate, water, and chemical admixtures and mineral admixtures that are added in appropriate proportions as a binder, or a composite material with a clustered structure that is formed after hardening. It is usually made of cementitious materials, water, fine aggregate, coarse aggregate, and admixtures and mineral admixtures when necessary, in appropriate proportions. Concrete has the characteristics of abundant raw materials, low price and simple production process, which leads to its increasing usage. At the same time, concrete also has the characteristics of high compressive strength, good durability and a wide range of strength grades.

[0003] In the prior art, there are mainly three methods for testing concrete strength: the test block method, the ultrasonic method and the core sampling method. Among them, the most basic and commonly used method is the test block method. Generally, a cubic test block with a side length of 150 mm is made, cured under standard conditions for 28 days, and then the compressive strength of the test block is tested according to the prescribed method to evaluate the strength of the concrete.

[0004] However, in actual use, the testing equipment used in the current test block method is relatively large in size and weight, and is not suitable for carrying. In addition, when the concrete test block is broken, powder and fragments will splash, posing a safety hazard. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a portable concrete strength testing device, which solves the problem that in actual use, the testing equipment currently used in the test block method is relatively large in size and weight, is not suitable for carrying, and powder and fragments will splash when the concrete test block is broken, posing a safety hazard.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a portable concrete strength testing device, including a box body, a handle is installed on the top of the box body, a support plate is installed on the outer wall of the box body, the bottom of the support plate is rotatably connected to the bottom of the box body, a pressure sensor is arranged on one side of the outer wall of the box body, the outer wall of the pressure sensor is fixedly connected to a contact end, the other side of the pressure sensor is fixedly connected to a rack, the outer wall of the rack is movably connected to the inner wall of the box body, an insertion strip is installed on the outer wall of the support plate, a moving wheel is installed on one end of the support plate, a fixed structure is installed on the bottom of the box body, the fixed structure includes a base, a spring, a block, a pull rod and a slot, the top of the base is fixedly connected to the bottom of the box body, a slot is opened on the outer wall of the base, the inner wall of the slot is movably connected to a block, one end of the block is pressed against a spring, the other end of the spring is pressed against the inner wall of the base, the inner wall of the spring is plugged with a pull rod, one end of the pull rod is fixedly connected to the outer wall of the block, and the outer wall of the pull rod is movably connected to the inner wall of the base.

[0007] Preferably, the outer wall of the inserting strip is fixedly connected with a bayonet, and the outer wall of the bayonet is inserted into the inner wall of the supporting plate.

[0008] Preferably, the top of the box is rotatably connected to a fixed rotating rod, the outer wall of the fixed rotating rod is plugged with a fixed block, the outer wall of the fixed block is fixedly connected to the outer wall of the support plate, the outer wall of the box is fixedly connected to a control display, and the control display is electrically connected to the pressure sensor.

[0009] Preferably, a servo motor is fixedly connected to the top of the box, an output end of the servo motor extends to one end inside the box and is fixedly connected to a worm, an outer wall of the worm is meshingly connected to a worm wheel, a gear is fixedly connected to the back of the worm wheel, and an outer wall of the gear is meshingly connected to the outer wall of the rack.

[0010] Preferably, a limiting groove is provided on the outer wall of the rack, a limiting column is inserted into the inner wall of the limiting groove, and the outer wall of the limiting column is fixedly connected to the inner wall of the box body.

[0011] Beneficial Effects

[0012] The utility model provides a portable concrete strength testing device. It has the following beneficial effects: the portable concrete strength testing device cooperates with a slot, an insert and a card block. When using the testing device, the support plate is opened, the insert is inserted into the slot, and the card block fixes the insert under the action of a spring, so that the moving wheel at one end of the support plate is lowered, making it more convenient to move. This solves the problem that the testing device of the prior art is relatively large in size and weight when in use, making it unsuitable for carrying, and that powder and fragments will splash when the concrete test block is broken, posing a safety hazard.

[0013] Through the coordination of racks, gears and worm wheels, a servo motor is used to drive the worm to rotate, and the meshing of the worm and the worm wheel is utilized to drive the gear to rotate, so that the rack drives the pressure sensor to extend, and the concrete soil block is detected, making the force during detection more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the appearance of the utility model;

[0016] Figure 3 for Figure 1 Schematic diagram of the structure of the middle box, support plate and inserts;

[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the middle rack, gear and limit column;

[0018] Figure 5 for Figure 1 Schematic diagram of the structure of the middle box, support plate and moving wheels.

[0019] In the figure: 1, box body, 2, handle, 3, contact end, 4, rack, 5, gear, 6, servo motor, 7, support plate, 8, moving wheel, 9, limit column, 10, control display, 11, insert strip, 12, base, 13, limit groove, 14, block, 15, pin, 16, slot, 17, spring, 18, pull rod, 19, worm, 20, worm wheel, 21, fixed rotating rod, 22, fixed block, 23, pressure sensor. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] However, in actual use, the testing equipment used in the current test block method is relatively large in size and weight, and is not suitable for carrying. In addition, when the concrete test block is broken, powder and fragments will splash, posing a safety hazard.

[0022] In view of this, the utility model provides a portable concrete strength testing device, which solves the problem that in actual use, the testing device used in the current test block method is relatively large in size and weight, is not suitable for carrying, and powder and fragments will splash when the concrete test block is broken, posing a safety hazard.

[0023] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0024] Embodiment 1: Figure 1-5 It can be seen that a portable concrete strength testing device includes a box body 1, a handle 2 is installed on the top of the box body 1, a support plate 7 is installed on the outer wall of the box body 1, and the bottom of the support plate 7 is rotatably connected to the bottom of the box body 1, a pressure sensor 23 is arranged on one side of the outer wall of the box body 1, and the outer wall of the pressure sensor 23 is fixedly connected to a contact end 3, and the other side of the pressure sensor 23 is fixedly connected to a rack 4, and the outer wall of the rack 4 is movably connected to the inner wall of the box body 1, an insert 11 is installed on the outer wall of the support plate 7, and a moving wheel 8 is installed at one end of the support plate 7, and a fixed structure 3 is installed at the bottom of the box body 1. The fixed structure includes a base 12, a spring 17, a block 14, a pull rod 18 and a slot 16, the top of the base 12 is fixedly connected to the bottom of the box body 1, the outer wall of the base 12 is provided with a slot 16, the inner wall of the slot 16 is movably connected with the block 14, one end of the block 14 is tightly pressed against the spring 17, the other end of the spring 17 is tightly pressed against the inner wall of the base 12, the inner wall of the spring 17 is plugged with a pull rod 18, one end of the pull rod 18 is fixedly connected to the outer wall of the block 14, and the outer wall of the pull rod 18 is movably connected to the inner wall of the base 12, wherein the model of the pressure sensor 23 is not limited;

[0025] In the specific implementation process, it is worth pointing out that, under the cooperation of the slot 16, the inserting strip 11 and the clamping block 14, when the detection device is used, the support plate 7 is opened, the inserting strip 11 is inserted into the inside of the slot 16, and the clamping block 14 fixes the inserting strip 11 under the action of the spring 17, so that the moving wheel 8 at one end of the support plate 7 is lowered, and the detection device is supported, so that it is more convenient when moving;

[0026] Furthermore, the outer wall of the insert strip 11 is fixedly connected with a bayonet 15, and the outer wall of the bayonet 15 is inserted into the inner wall of the support plate 7;

[0027] In the specific implementation process, it is worth pointing out that, with the cooperation of the latch 15 and the support plate 7, the insert 11 is moved out from the inside of the support plate 7 without releasing the support plate 7, so as to avoid scratches when carrying;

[0028] Further, the top of the box body 1 is rotatably connected with a fixed rotating rod 21, the outer wall of the fixed rotating rod 21 is plugged with a fixed block 22, the outer wall of the fixed block 22 is fixedly connected to the outer wall of the support plate 7, the outer wall of the box body 1 is fixedly connected with a control display 10, the control display 10 is electrically connected to the pressure sensor 3, wherein the model of the control display 10 is not limited;

[0029] In the specific implementation process, it is worth pointing out that, under the cooperation of the fixed rotating rod 21, the fixed block 22 and the support plate 7, when the detection device is used, the fixed rotating rod 21 is moved out of the inside of the fixed block 22 to open the support plate 7, and vice versa, when closing the support plate 7, the fixed rotating rod 21 is inserted into the inside of the fixed block 22 to fix the support plate 7;

[0030] Specifically, when using the portable concrete strength testing device, the testing device is carried by the handle 2, and the fixed rotating rod 21 is moved out of the inside of the fixed block 22 to unfold the support plate 7. Before unfolding, the latch 15 on the outer wall of the insert 11 is inserted into the support plate 7. When the support plate 7 is fully unfolded, the insert 11 is inserted into the slot 16 on the outer wall of the base 12. The block 14 fixes the insert 11 under the pressure of the spring 17, so that the moving wheel at one end of the support plate 7 is unfolded, making it more convenient to move, and the concrete block is placed on one side of the box body 1, so that the support plate 7 fixes it on one side of the box body 1, and the rack 4 drives the pressure sensor 23 to move, and the concrete is squeezed through the contact end 3. After the detection is completed, the data is determined by observing the control display 10, and the pull rod 18 is pulled to make the block 14 release the insert 11, so that the support plate 7 is retracted, and the fixed rotating rod 21 is rotated and inserted into the inside of the fixed block 22 to fix the support plate 7, so that it is more convenient to carry.

[0031] Embodiment 2: By Figure 1-5 It can be seen that the top of the box body 1 is fixedly connected with a servo motor 6, and the output end of the servo motor 6 extends to one end inside the box body 1 and is fixedly connected with a worm 19, the outer wall of the worm 19 is meshedly connected with a worm wheel 20, and the back of the worm wheel 20 is fixedly connected with a gear 5, and the outer wall of the gear 5 is meshedly connected with the outer wall of the rack 4, wherein the model of the servo motor 6 is not limited;

[0032] In the specific implementation process, it is worth pointing out that, under the cooperation of the rack 4, the gear 5 and the worm wheel 20, the servo motor 6 is used to drive the worm 19 to rotate, and the meshing of the worm 19 and the worm wheel 20 is used to drive the gear 5 to rotate, so that the rack 4 drives the pressure sensor 23 to extend, and the concrete mud block is detected, so that the force during the detection is more stable;

[0033] Furthermore, a limiting groove 13 is provided on the outer wall of the rack 4, and a limiting column 9 is inserted into the inner wall of the limiting groove 13, and the outer wall of the limiting column 9 is fixedly connected to the inner wall of the box body 1;

[0034] In the specific implementation process, it is worth pointing out that driven by the limit slot 13, the limit column 9 and the rack 4, when the rack 4 moves, the limit column 9 will move inside the limit slot 13, making it more stable when extending and retracting;

[0035] Specifically, based on the above embodiment, after the detection device is fully opened, the servo motor 6 is used to drive the worm 19 to rotate, and the engagement of the gear 5 and the rack 4 is used to drive the pressure sensor 23 to detect the concrete block, so that the detection force is more stable and the value is more accurate.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0037] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable concrete strength testing device, comprising a box (1), characterized in that: The top of the box (1) is provided with a handle (2); the outer wall of the box (1) is provided with a support plate (7); the bottom of the support plate (7) is rotatably connected to the bottom of the box (1); a pressure sensor (23) is provided on one side of the outer wall of the box (1); the outer wall of the pressure sensor (23) is fixedly connected to a contact end (3); the other side of the pressure sensor (23) is fixedly connected to a rack (4); the outer wall of the rack (4) is movably connected to the inner wall of the box (1); the outer wall of the support plate (7) is provided with an insertion strip (11); one end of the support plate (7) is provided with a moving wheel (8); and the bottom of the box (1) is provided with a fixed structure; The fixing structure comprises a base (12), a spring (17), a clamping block (14), a pull rod (18) and a slot (16); The top of the base (12) is fixedly connected to the bottom of the box body (1), the outer wall of the base (12) is provided with a slot (16), the inner wall of the slot (16) is movably connected with a block (14), one end of the block (14) is pressed against a spring (17), the other end of the spring (17) is pressed against the inner wall of the base (12), the inner wall of the spring (17) is plugged with a pull rod (18), one end of the pull rod (18) is fixedly connected to the outer wall of the block (14), and the outer wall of the pull rod (18) is movably connected to the inner wall of the base (12).

2. A portable concrete strength testing device according to claim 1, characterized in that: The outer wall of the inserting strip (11) is fixedly connected with a bayonet (15), and the outer wall of the bayonet (15) is inserted into the inner wall of the supporting plate (7).

3. A portable concrete strength testing device according to claim 1, characterized in that: The top of the box body (1) is rotatably connected to a fixed rotating rod (21), the outer wall of the fixed rotating rod (21) is plugged with a fixed block (22), the outer wall of the fixed block (22) is fixedly connected to the outer wall of the support plate (7), the outer wall of the box body (1) is fixedly connected to a control display (10), and the control display (10) is electrically connected to a pressure sensor (23).

4. A portable concrete strength testing device according to claim 1, characterized in that: A servo motor (6) is fixedly connected to the top of the box (1); an output end of the servo motor (6) extending to one end inside the box (1) is fixedly connected to a worm (19); an outer wall of the worm (19) is meshingly connected to a worm wheel (20); a gear (5) is fixedly connected to the back of the worm wheel (20); and an outer wall of the gear (5) is meshingly connected to an outer wall of a rack (4).

5. The portable concrete strength testing device according to claim 1 is characterized in that: The outer wall of the rack (4) is provided with a limiting groove (13), the inner wall of the limiting groove (13) is plugged with a limiting column (9), and the outer wall of the limiting column (9) is fixedly connected to the inner wall of the box body (1).

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