Concrete raw material slump detection device

Abstract

The utility model belongs to the field of supervision engineering, and discloses a concrete raw material slump detection device, which comprises a measuring device used for extending and clinging to the top end of concrete to measure the concrete slump, and a supporting device used for supporting and testing and limiting and pulling from two sides to open a mold, a containing device used for containing concrete and a two-half type open mold is arranged in the middle of the supporting device, and the measuring device is installed behind the containing device. The supporting device comprises a bottom plate, a containing plate is arranged in the middle of the bottom plate, and a handle is arranged on one side of the containing plate. According to the concrete raw material slump detection device disclosed by the utility model, through the arrangement of the two-half mold opening, transverse force and torsion generated by upward demolding are avoided, and the influence of demolding on concrete detection is reduced; through the arrangement of pulling mold opening on the two sides, automatic mold opening is achieved, and the influence of mold opening on detection is further reduced; and through the arrangement of limiting pulling, the mold opening stability is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the field of supervision engineering, in particular to a concrete raw material slump detection device. Background Art

[0002] Supervision engineering refers to a professional service activity in which a supervision unit with relevant qualifications is entrusted by Party A to monitor Party B's engineering construction on behalf of Party A in accordance with the state-approved project construction documents, relevant laws and regulations on engineering construction, engineering supervision contracts and other engineering construction contracts; when conducting engineering supervision, relevant units need to conduct slump testing on concrete. The slump of concrete mainly refers to the plasticization and pumpability of concrete. The factors affecting the slump of concrete mainly include grading changes, water content, weighing deviation of scales, and the amount of admixtures. The temperature of cement is also easily overlooked. Slump refers to the workability of concrete. Specifically, it is to ensure the normal progress of construction, including the water retention, fluidity and cohesion of concrete.

[0003] In contrast, a Chinese patent with authorization announcement number CN219302461U discloses a concrete slump detection device, including a base plate, a stacking bucket is arranged on the base plate, a flipping mechanism is installed on the base plate, a knocking mechanism for knocking the stacking bucket is installed on the flipping mechanism, the flipping mechanism includes: a first rotating shaft, a mounting rod and a support block, the bottom of the first rotating shaft is rotatably connected to the base plate, a mounting rod is fixed on the upper side of the first rotating shaft, a support block is welded to the lower end of the mounting rod, the knocking mechanism includes: a mounting ring, a sliding block, a latch, a rotating rod, a sprocket, a chain, a compression spring, a knocking ball and an electric motor, and a sliding block is installed on the side of the mounting ring.

[0004] The above patent adopts the setting of lifting mold opening, which generates lateral force and torque that easily affects the detection. Therefore, a new device needs to be designed. Utility Model Content

[0005] The utility model aims to provide a concrete raw material slump detection device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A concrete raw material slump detection device, comprising a measuring device for extending and pressing against the top of concrete to measure the slump of concrete, and also comprising a supporting device for supporting the test and pulling the mold from both sides to limit the position, wherein a receiving device for receiving concrete and two-half molds is arranged in the middle of the supporting device, and the measuring device is installed behind the receiving device;

[0008] The supporting device comprises a bottom plate, a placing plate is arranged in the middle of the bottom plate, a handle is arranged on one side of the placing plate, two limiting grooves are symmetrically arranged on the front and rear sides of the placing plate, the limiting grooves are arranged on the bottom plate, two ear plates are symmetrically arranged on the front and rear sides of the bottom plate, an electric push rod is installed on the top of the ear plate, and a fixing block is installed on the extended end of the electric push rod;

[0009] The accommodating device comprises a first cylinder wall, a second cylinder wall is arranged in front of the first cylinder wall, a sealing gasket is arranged between the first cylinder wall and the second cylinder wall, and two limit blocks are symmetrically arranged on the front and rear sides of the first cylinder wall and the second cylinder wall.

[0010] Furthermore: the measuring device includes a fixed seat, a slide is installed on the fixed seat, a limit plate is arranged on the top of the slide, a slip ring is slidably installed on the slide, a measuring bar is arranged on the slip ring, and an elongation bar is slidably installed in the measuring bar.

[0011] Furthermore: the placement plate is slidably connected to the bottom plate, and a smooth layer is provided on the surface of the placement plate.

[0012] Furthermore: the ear plate and the bottom plate are integrally formed.

[0013] Furthermore: the inner wall of the first cylinder wall is provided with a smooth layer, and the cross-sectional shape of the limit block is L-shaped.

[0014] Furthermore: the sliding ruler is cylindrical in shape, and scale lines are arranged on the sliding ruler.

[0015] Compared with the prior art, the beneficial effects are:

[0016] 1. The two-half mold opening setting avoids the lateral force and torsion generated by upward demoulding, reducing the impact of demoulding on concrete detection;

[0017] 2. The mold can be opened automatically by pulling the mold on both sides, which further reduces the impact of mold opening on detection;

[0018] 3. The stability of mold opening is ensured by setting the limit pull. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a concrete raw material slump detection device described in the utility model;

[0020] Figure 2 This is an axonometric diagram of a support device of a concrete raw material slump detection device described in the utility model;

[0021] Figure 3 It is a right view of a containing device of a concrete raw material slump detection device described in the utility model;

[0022] Figure 4 It is a right view of a measuring device of a concrete raw material slump detection device described in the utility model.

[0023] In the accompanying drawings: 1. supporting device; 101. bottom plate; 102. placing plate; 103. handle; 104. limiting groove; 105. ear plate; 106. electric push rod; 107. fixing block; 2. accommodating device; 201. first cylinder wall; 202. second cylinder wall; 203. sealing gasket; 204. limiting block; 3. measuring device; 301. fixing seat; 302. sliding ruler; 303. limiting plate; 304. slip ring; 305. measuring bar; 306. extension bar. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-Figure 4 A concrete raw material slump detection device includes a measuring device 3 for extending and pressing against the top of concrete to measure the slump of concrete, and also includes a supporting device 1 for supporting the test and pulling the mold open from both sides. A containing device 2 for containing concrete and two-half molds is arranged in the middle of the supporting device 1, and the measuring device 3 is installed behind the containing device 2.

[0026] In this embodiment: the supporting device 1 includes a bottom plate 101, a placing plate 102 is arranged in the middle of the bottom plate 101, a handle 103 is arranged on one side of the placing plate 102, two limiting grooves 104 are symmetrically arranged on the front and rear sides of the placing plate 102, the limiting grooves 104 are arranged on the bottom plate 101, and two ear plates 105 are symmetrically arranged on the front and rear sides of the bottom plate 101, an electric push rod 106 is installed on the top of the ear plate 105, and a fixed block 107 is installed on the extended end of the electric push rod 106, the placing plate 102 is slidably connected to the bottom plate 101, and a smooth layer is arranged on the surface of the placing plate 102, the ear plate 105 and the bottom plate 101 are integrally formed, the ear plate 105 supports the electric push rod 106 to shorten and drive the accommodating device 2 to move forward and backward along the upper limit groove 104 of the bottom plate 101 through the fixed block 107 to detect the mold opening, and after the detection is completed, the placing plate 102 is pulled out by the handle 103 to clean the concrete above;

[0027] In this embodiment: the accommodating device 2 includes a first cylinder wall 201, a second cylinder wall 202 is arranged in front of the first cylinder wall 201, a sealing gasket 203 is arranged between the first cylinder wall 201 and the second cylinder wall 202, two limit blocks 204 are symmetrically arranged on the front and rear sides of the first cylinder wall 201 and the second cylinder wall 202, a smooth layer is arranged on the inner wall of the first cylinder wall 201, the cross-sectional shape of the limit block 204 is L-shaped, the sealing gasket 203 makes the first cylinder wall 201 and the second cylinder wall 202 fit more evenly, concrete is poured onto the placement plate 102 in the first cylinder wall 201 and the second cylinder wall 202 and tamped, and the filling of the detection concrete is completed, and the limit block 204 is used to improve the stability of the movement of the first cylinder wall 201 and the second cylinder wall 202;

[0028] In this embodiment: the measuring device 3 includes a fixed base 301, a slide 302 is installed on the fixed base 301, a limit plate 303 is arranged on the top of the slide 302, a slip ring 304 is slidably installed on the slide 302, a measuring bar 305 is arranged on the slip ring 304, an extension bar 306 is slidably installed in the measuring bar 305, the slide 302 is cylindrical in shape, and a scale line is arranged on the slide 302, so that the extension bar 306 extends out of the measuring bar 305, so that the measuring bar 305 and the extension bar 306 rotate under the support of the slip ring 304 and are placed on the top of the concrete, and the slump is detected by the scale line on the slide 302, the slide 302 is installed on the base plate 101 through the fixed base 301, and the limit plate 303 prevents the slip ring 304 from detaching from the slide 302.

[0029] Working principle: The sealing gasket 203 makes the first cylinder wall 201 and the second cylinder wall 202 fit more evenly, and the concrete is poured on the placement plate 102 in the first cylinder wall 201 and the second cylinder wall 202 and tamped to complete the filling of the test concrete. Then the ear plate 105 supports the electric push rod 106 to shorten and drive the first cylinder wall 201 and the second cylinder wall 202 to move forward and backward along the upper limit groove 104 of the bottom plate 101 under the restriction of the limit block 204 through the fixed block 107. The mold is opened for inspection, and then the extension bar 306 is extended out of the measuring bar 305. The measuring bar 305 and the extension bar 306 are rotated and placed on the top of the concrete under the support of the slip ring 304. The slump is detected by the scale line on the slide 302. After the detection is completed, the placement plate 102 is pulled out by the handle 103 to clean the concrete above; the slide 302 is installed on the bottom plate 101 through the fixing seat 301, and the limit plate 303 prevents the slip ring 304 from detaching from the slide 302.

[0030] 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 device for detecting the slump of concrete raw materials, comprising a measuring device (3) for extending and pressing against the top of concrete to measure the slump of concrete, characterized in that: It also includes a support device (1) for supporting the test and pulling the mold from both sides, a receiving device (2) for receiving concrete and two-half molds is arranged in the middle of the support device (1), and the measuring device (3) is installed behind the receiving device (2); The supporting device (1) comprises a base plate (101), a placement plate (102) is arranged in the middle of the base plate (101), a handle (103) is arranged on one side of the placement plate (102), two limiting grooves (104) are symmetrically arranged on the front and rear sides of the placement plate (102), the limiting grooves (104) are arranged on the base plate (101), two ear plates (105) are symmetrically arranged on the front and rear sides of the base plate (101), an electric push rod (106) is installed on the top of the ear plate (105), and a fixing block (107) is installed on the extended end of the electric push rod (106); The accommodating device (2) comprises a first cylinder wall (201), a second cylinder wall (202) is arranged in front of the first cylinder wall (201), a sealing gasket (203) is arranged between the first cylinder wall (201) and the second cylinder wall (202), and two limit blocks (204) are symmetrically arranged on the front and rear sides of the first cylinder wall (201) and the second cylinder wall (202).

2. A concrete raw material slump detection device according to claim 1, characterized in that: The measuring device (3) comprises a fixed seat (301), a sliding ruler (302) is mounted on the fixed seat (301), a limiting plate (303) is arranged on the top of the sliding ruler (302), a slip ring (304) is slidably mounted on the sliding ruler (302), a measuring bar (305) is arranged on the slip ring (304), and an elongation bar (306) is slidably mounted in the measuring bar (305).

3. A concrete raw material slump detection device according to claim 1, characterized in that: The placement plate (102) is slidably connected to the bottom plate (101), and a smooth layer is provided on the surface of the placement plate (102).

4. A concrete raw material slump detection device according to claim 1, characterized in that: The ear plate (105) and the bottom plate (101) are integrally formed.

5. A concrete raw material slump detection device according to claim 1, characterized in that: The inner wall of the first cylinder wall (201) is provided with a smooth layer, and the cross-sectional shape of the limiting block (204) is L-shaped.

6. A concrete raw material slump detection device according to claim 2, characterized in that: The sliding ruler (302) is cylindrical in shape, and scale lines are arranged on the sliding ruler (302).

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