Portable concrete setting time tester

Abstract

The utility model relates to the technical field of concrete setting time testing, and discloses a portable concrete setting time tester which comprises a base, a tester is fixedly connected to the top of the base, a supporting column is fixedly connected to the top of the base, an ejector pin is arranged at the top of the supporting column, and an adjusting assembly is arranged in the base. The adjusting assembly is used for adjusting the horizontal position of the base; the adjusting assembly comprises adjusting bolts, the adjusting bolts are arranged in a rectangular array and are in threaded connection with the interior of the base, supporting legs are fixedly connected to the bottoms of the adjusting bolts, and locking assemblies are arranged on the outer walls of the adjusting bolts. The top of the nut is attached to the bottom of the base, the base abuts against the nut to offset the gap between the nut and the base and the nut, the effect of locking the horizontal bolt is achieved, and the problem that frequent adjustment is needed due to the fact that the horizontal bolt is prone to loosening and autorotation when adjusted through an adjusting bolt is solved. And the practicability of the concrete setting time tester is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete setting time test technical field especially, it relates to portable concrete setting time tester. BACKGROUND

[0002] Concrete is a kind of building material, cement, sand, stone, water and other additives are mixed, stirred according to certain proportion and hardened. It has very high compressive strength and good durability, is one of the materials widely used in modern building, bridge, road, tunnel and water conservancy engineering, in order to can fast, accurately measure the time of concrete from pouring to initial setting, final setting, because need to use portable concrete setting time tester.

[0003] Portable concrete setting time tester can be divided into various types, respectively for needle type setting time tester, ultrasonic setting time tester and resistance type setting time tester etc., in needle type setting time tester, needle-shaped probe is stuck into concrete sample at specific speed and pressure, the resistance of probe is measured with time, thereby determining initial setting and final setting time, this type of tester is usually more accurate, and can be applied to standardized experimental requirements, needle type test method is one of the most commonly used setting time test methods.

[0004] However, the loosening and self-rotation of the adjusting bolt when adjusting the horizontal position of the tester still exist in the prior art, which causes the user to need to frequently adjust the equipment to maintain its stability. This condition not only affects the accuracy of the test, but also reduces the practicability of the tester, and causes trouble to the operation of the construction personnel. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a portable concrete setting time tester, which aims to improve the problem that the adjusting bolt is easily loosened and rotated when adjusting the horizontal position of the tester.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a portable concrete setting time tester, comprising a base, the top of the base is fixedly connected with a tester, the top of the base is fixedly connected with a support column, the top of the support column is provided with a thimble, the inside of the base is provided with an adjusting assembly, and the adjusting assembly is used for adjusting the horizontal position of the base.

[0007] The adjusting assembly comprises an adjusting bolt, the adjusting bolt is arranged in a rectangular array and is screw-connected in the inside of the base, the bottom of the adjusting bolt is fixedly connected with a supporting leg, and the outer wall of the adjusting bolt is provided with a locking assembly.

[0008] As a further description of the above technical scheme:

[0009] The locking assembly comprises a nut which is screwed on the outer wall of the adjusting bolt, and the top of the adjusting bolt abuts against the bottom of the base.

[0010] As a further description of the above technical solution:

[0011] The support column is internally provided with a clamping groove, and the support column is internally and slidably connected with a limiting plate II.

[0012] As a further description of the above technical solution:

[0013] One side of the limiting plate II is fixedly connected with a releasing column, and the other side of the limiting plate II is fixedly connected with a top block.

[0014] As a further description of the above technical solution:

[0015] The outer wall of the top block is sleeved with a second spring, one end of the second spring is fixedly connected in the support column, and the other end of the second spring is fixedly connected to the other side of the limiting plate II.

[0016] As a further description of the above technical solution:

[0017] The bottom of the top pin is fixedly connected with a connecting column, and the connecting column is internally and slidably connected with a limiting plate III.

[0018] As a further description of the above technical solution:

[0019] The bottom of the limiting plate III is rotatably connected with a connecting rod, one end of the connecting rod is rotatably connected with a clamping block, and the bottom of the clamping block is rotatably connected in the connecting column.

[0020] As a further description of the above technical solution:

[0021] The connecting column is internally provided with an extension rod, the outer wall of the extension rod is sleeved with a first spring, one end of the extension rod and the first spring are fixedly connected in the connecting column, and the other end of the extension rod and the first spring are fixedly connected to the top of the limiting plate III.

[0022] The utility model has the advantages of:

[0023] 1、The utility model discloses, first rotate the nut and make the nut top and base bottom abut, and then pass through the abutment of base and nut and offset the gap between the nut and base and nut, reach the effect of horizontal bolt locking, solve the problem that needs to be adjusted frequently when adjusting the horizontal position of the tester, and the adjusting bolt is adjusted and is easy to loosen and rotate, improve the practicality of the concrete setting time tester.

[0024] 2. In the utility model, the release column on the two sides is pressed to push the clamping block into the connecting column through the top block, the clamping block is limited in the connecting column through the connecting rod and the limiting plate three, then the connecting column is pulled out from the supporting column after the ejector pin, the effect that the ejector pin is convenient to disassemble is achieved, the problem that the ejector pin is easy to collide and the test instrument is large in size and is not convenient to carry is solved, and the portability of the concrete setting time tester is improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the perspective view of the portable concrete setting time tester provided by the utility model;

[0026] Figure 2 It is the supporting leg structure schematic view of the portable concrete setting time tester provided by the utility model;

[0027] Figure 3 It is the supporting column internal structure schematic view of the portable concrete setting time tester provided by the utility model;

[0028] Figure 4 It is Figure 2 The local amplification structure schematic view in A place in the utility model.

[0029] Legend:

[0030] 1, base, 2, tester, 3, ejector pin, 4, supporting leg, 5, nut, 6, telescopic rod, 7, first spring, 8, clamping block, 9, connecting rod, 10, adjusting bolt, 11, supporting column, 12, clamping groove, 13, limiting plate two, 14, release column, 15, top block, 16, second spring, 17, connecting column, 18, limiting plate three. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range protected by the utility model.

[0032] Refer to Figure 1 , Figure 2 and Figure 4The utility model provides a kind of embodiment: portable concrete setting time tester, the top of base 1 is fixedly connected with tester 2, tester 2 is used to support the concrete sample placed in testing process, ensure the accuracy of data, the top of base 1 is also fixedly connected with support column 11, the top of support column 11 is provided with stylus 3, stylus 3 is used to exert pressure in testing process, to measure the hardness change of concrete, and then the setting time of concrete is obtained, the inside of base 1 is provided with adjusting assembly, adjusting assembly is used to adjust the horizontal position of base 1, to ensure that tester is in horizontal state when testing, to avoid test error;

[0033] Adjusting assembly includes adjusting bolt 10, adjusting bolt 10 is arranged in the form of rectangular array, is screw-connected in the inside of base 1, the bottom of adjusting bolt 10 is fixedly connected with support leg 4, support leg 4 can be driven by adjusting bolt 10 and move up and down, to realize the accurate adjustment of height and horizontal position of base 1, the outer wall of adjusting bolt 10 is provided with locking assembly, for fixing the position of support leg 4 after adjusting in place, avoid displacement in testing process, locking assembly includes nut 5, nut 5 is screw-connected on the outer wall of adjusting bolt 10, after adjusting in place, nut 5 can be tightened and abut with the bottom of base 1, to realize reliable locking of adjusting bolt 10, ensure the stability of entire tester in testing process;

[0034] Specifically, when adjusting the horizontal position of base 1, first change the height of support leg 4 by rotating adjusting bolt 10, to accurately adjust the overall horizontal position of base 1, so that the device remains stable in subsequent testing. After adjusting to the desired position, to lock the height of support leg 4, just rotate nut 5, so that the top of nut 5 is in contact with the bottom of base 1, offset the gap between nut 5 and base 1 through the abutment between base 1 and nut 5, realize effective locking of adjusting bolt 10 and support leg 4, to ensure that the equipment does not displace or loosen during operation, improve the stability of the device. When testing, place the concrete sample to be tested on tester 2, measure the hardness change of concrete by pressing down stylus 3, and finally obtain the setting time of concrete, effectively help to evaluate the hardening progress of concrete.

[0035] Refer to Figure 3The clamping block 8 is rotatably connected to the connecting column 17, and the clamping block 8 is used to cooperate with other components to complete the fixing and disassembly operation of the thimble 3. The connecting column 17 is internally provided with the telescopic rod 6, the telescopic rod 6 is used to provide a certain telescopic activity, and the flexibility of the thimble 3 is enhanced. The outer wall of the telescopic rod 6 is sleeved with the first spring 7, one end of the first spring 7 is fixedly connected in the connecting column 17, and the other end is fixedly connected to the top of the limiting plate three 18. The first spring 7 provides a supporting and resetting action through tension, so that the telescopic rod 6 and the limiting plate three 18 are automatically returned after operation, thereby ensuring that the thimble 3 is stable and suitable for multiple disassembly operations.

[0036] Specifically, when the thimble 3 needs to be disassembled, the release column 14 on both sides is only pressed slightly, the release column 14 pushes the clamping block 8 through the top block 15, so that the clamping block 8 slides inward and enters the inside of the connecting column 17, and the clamping block 8 is stably positioned in the connecting column 17 through the connecting rod 9 and the limiting plate three 18 at this time, ensuring smooth operation during disassembly. Next, the thimble 3 can easily pull out the connecting column 17 from the support column 11, at this time, with the elastic force of the first spring 7, the clamping block 8 can quickly reset to its original position, and at the same time, the top block 15 pushes the limiting plate two 13 back to the original position through the tension of the second spring 16, ensuring that the entire component is in the initial state. This operation realizes the convenient disassembly effect of the thimble 3, and significantly improves the operability and maintenance efficiency of the device.

[0037] Working principle: when using the portable concrete setting time tester, first adjust the horizontal position of the base 1, rotate the adjusting bolt 10, and then adjust the position of the supporting leg 4, and then lock the supporting leg 4, just rotate the nut 5, make the top of the nut 5 and the bottom of the base 1 fit, and then offset the gap between the nut 5 and the base 1 through the abutting of the base 1 and the nut 5, adjust the gap of the adjusting bolt 10, and lock the supporting leg 4, then test the concrete placed on the tester 2, then press the needle 3 to measure the hardness of the concrete, and then get the setting time of the concrete, when disassembling the needle 3, just press the release column 14 on both sides to push the clamping block 8 into the connecting column 17, the clamping block 8 is limited in the connecting column 17 through the connecting rod 9 and the limiting plate three 18, then the connecting column 17 is pulled out of the supporting column 11, the clamping block 8 is supported by the tension of the first spring 7, the clamping block 8 is reset, the top block 15 drives the limiting plate two 13 to reset through the tension of the second spring 16, and the effect of disassembling the needle 3 is achieved.

[0038] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A portable concrete setting time tester comprising a base (1) characterised in that: The base (1) top fixedly connected with tester (2), the base (1) top fixedly connected with support column (11), the support column (11) top is provided with the thimble (3), the base (1) inside is provided with adjusting assembly, the adjusting assembly is used for adjusting the horizontal position of base (1); The adjusting assembly includes adjusting bolt (10), the adjusting bolt (10) is arranged in a rectangular array and is screw-connected in the inside of base (1), the adjusting bolt (10) bottom fixedly connected with support leg (4), the adjusting bolt (10) outer wall is provided with locking assembly.

2. The portable concrete set time tester of claim 1, wherein: The locking assembly includes nut (5), the nut (5) is screw-connected in the outer wall of adjusting bolt (10), the adjusting bolt (10) top and base (1) bottom are in abutment.

3. The portable concrete set time testing instrument of claim 1, wherein: The support column (11) inside is provided with the clamping groove (12), the support column (11) inside is slidably connected with the limit board two (13).

4. The portable concrete set time testing instrument of claim 3, wherein: The limit board two (13) one side is fixedly connected with release column (14), the limit board two (13) other side is fixedly connected with top block (15).

5. The portable concrete set time testing instrument of claim 4, wherein: The top block (15) outer wall is provided with the second spring (16), the second spring (16) one end is fixedly connected in the inside of support column (11), the second spring (16) other end is fixedly connected in the other side of limit board two (13).

6. The portable concrete set time testing instrument of claim 1, wherein: The thimble (3) bottom fixedly connected with connecting column (17), the connecting column (17) inside is slidably connected with limit board three (18).

7. The portable concrete set time testing instrument of claim 6, wherein: The limit board three (18) bottom is rotatably connected with connecting rod (9), the connecting rod (9) one end is rotatably connected with clamping block (8), the clamping block (8) bottom is rotatably connected in the inside of connecting column (17).

8. The portable concrete set time testing instrument of claim 7, wherein: The connecting column (17) inside is provided with telescopic rod (6), the telescopic rod (6) outer wall is provided with first spring (7), the telescopic rod (6) and first spring (7) one end are fixedly connected in the inside of connecting column (17), the telescopic rod (6) and first spring (7) other end are fixedly connected in the top of limit board three (18).

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