Building concrete strength testing device

Abstract

The utility model relates to the technical field of concrete strength testing, and discloses a building concrete strength testing device which comprises a bottom plate, a U-shaped frame is arranged on the bottom plate, a telescopic rod is arranged on the U-shaped frame, the output end of the telescopic rod extends into the U-shaped frame and is provided with an electromagnet, a testing mechanism matched with the electromagnet is arranged in the U-shaped frame, and the U-shaped frame is provided with a clamping mechanism matched with the electromagnet. The testing mechanism comprises polished rods symmetrically arranged between the bottom plate and the U-shaped frame, the polished rods are sleeved with a mounting plate, the top of the mounting plate is provided with a magnetic attraction block matched with the electromagnet in a magnetic attraction mode, the bottom of the mounting plate is provided with a testing head, the mounting plate is provided with a weight-adjustable balance weight device, and the balance weight device is provided with a magnetic attraction block matched with the electromagnet in a magnetic attraction mode. Blocking devices for preventing concrete from splashing are arranged on the two sides of the U-shaped frame. Compared with the prior art, the device has the advantages that the device is convenient to move, the weight and the falling height of the testing head can be adjusted, and concrete fragments in the testing process can be blocked.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete strength test technical field, specifically point to a kind of building concrete strength testing device. BACKGROUND

[0002] Concrete refers to cement as main cementitious material, with water, sand, stone, necessary time mixes into chemical admixture and mineral admixture, according to appropriate proportion, after uniform stirring, dense forming and curing hardening, it is the artificial stone of person, concrete is the building material of construction site, after being built with concrete, the strength of concrete sample is detected by concrete strength testing device.

[0003] The concrete strength testing device in prior art is inconvenient to move, and the weight and falling height of the testing head cannot be adjusted, concrete is broken and splashed during testing, which can easily cause injury to personnel, and needs to be improved. UTILITY MODEL CONTENT

[0004] (I), the technical problem solved

[0005] The utility model solves the technical problem to overcome the above difficulties, provide a kind of building concrete strength testing device, which is convenient to move, the weight and falling height of the testing head can be adjusted, and the concrete fragments during testing have blocking function.

[0006] (II), technical scheme

[0007] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a building concrete strength testing device, comprising a bottom plate, a U-shaped frame is provided on the bottom plate, a telescopic rod is provided on the U-shaped frame, an electromagnet is provided on the output end of the telescopic rod extending into the U-shaped frame, a testing mechanism cooperating with the electromagnet is provided in the U-shaped frame, the testing mechanism comprises a light rod symmetrically arranged between the bottom plate and the U-shaped frame, an installation plate is sleeved on the light rod, a magnetic block magnetically attracted to the electromagnet is provided on the top of the installation plate, a testing head is provided on the bottom of the installation plate, and a weight-adjustable counterweight device is provided on the installation plate.

[0008] The two sides of the U-shaped frame are provided with a blocking device to prevent concrete from splashing.

[0009] As an improvement, a through hole accommodating the light rod is provided on the installation plate, and a limiting cylinder sleeved on the light rod is provided on the installation plate.

[0010] As an improvement, the counterweight device comprises a screw rod symmetrically arranged on the top of the installation plate, a plurality of detachable counterweight blocks are sequentially sleeved on the screw rod, and a nut limiting the movement of the counterweight block is threadedly connected on the screw rod.

[0011] As improvement, the blocking device comprises slide rails symmetrically arranged on both sides of the U-shaped frame, the slide rails are internally provided with sliding blocks, one side of the sliding blocks is provided with a U-shaped piece connecting the two sliding blocks, and the U-shaped piece is provided with a blocking plate preventing concrete from splashing.

[0012] As improvement, the slide rails are provided with baffle plates at one end close to the center of the U-shaped piece, and the baffle plates are provided with special-shaped notches allowing the U-shaped piece and the blocking plate to pass through.

[0013] As improvement, the bottom of the bottom plate is uniformly provided with a plurality of rollers arranged in a rectangular shape.

[0014] (Three), beneficial effects

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] 1、The telescopic rod and electromagnet cooperate, can drive test mechanism to move up and down, allow test mechanism to fall from any height, counterweight device can adjust the weight of test mechanism, and the light rod can limit the up and down movement of test mechanism.

[0017] 2、The slide rail and blocking plate on the blocking device cooperate, can block the fragments generated by the crushing of concrete, and prevent the fragments from splashing and injuring people. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of the utility model.

[0019] Figure 2 It is the structure schematic diagram of the utility model in the overhead state.

[0020] Figure 3 It is the structure schematic diagram of the utility model Figure 2 in the section state of A-A.

[0021] Figure 4 It is the structure schematic diagram of the utility model Figure 2 in the section state of B-B.

[0022] As shown in the figure: 1, bottom plate; 2, U-shaped frame; 3, telescopic rod; 4, electromagnet; 5, test mechanism; 6, light rod; 7, mounting plate; 8, magnetic block; 9, test head; 10, counterweight device; 11, blocking device; 12, through hole; 13, limiting cylinder; 14, screw; 15, counterweight block; 16, nut; 17, slide rail; 18, sliding block; 19, U-shaped piece; 20, blocking plate; 21, baffle plate; 22, special-shaped notch; 23, roller. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0024] Embodiment one

[0025] Combined with the drawings Figures 1-4 A kind of building concrete strength testing device, including bottom plate 1, U-shaped frame 2 is equipped on the bottom plate 1, telescopic rod 3 is equipped on the U-shaped frame 2, the output end of the telescopic rod 3 extends to the U-shaped frame 2 and is equipped with electromagnet 4, test mechanism 5 is equipped in the U-shaped frame 2 and is matched with electromagnet 4, the test mechanism 5 includes light rod 6 being symmetrically equipped between bottom plate 1 and U-shaped frame 2, mounting plate 7 is sleeved and arranged on the light rod 6, the top of the mounting plate 7 is equipped with magnetic attraction block 8 and is magnetically attracted with electromagnet 4, test head 9 is equipped in the bottom of the mounting plate 7, the weight-adjustable counterweight device 10 is equipped on the mounting plate 7, the two sides of the U-shaped frame 2 are equipped with blocking device 11 to prevent concrete from splashing.

[0026] Concrete test block is placed on bottom plate 1, the weight of counterweight device 10 is adjusted according to the need, blocking device 11 is closed, then telescopic rod 3 is controlled to stretch, telescopic rod 3 drives electromagnet 4 to move downwards, after electromagnet 4 contacts with magnetic attraction block 8 on test mechanism 5, electromagnet 4 is controlled to attract magnetic attraction block 8, then telescopic rod 3 is retracted, drives test mechanism 5 to move upwards to appropriate height, electromagnet 4 is powered off, test mechanism 5 falls downwards, test head 9 impacts test concrete block, broken concrete is blocked by blocking device 11, and personnel are not harmed, blocking device 11 is opened, and the broken condition of concrete test block can be observed to obtain the strength of concrete.

[0027] The mounting plate 7 is equipped with through hole 12 for accommodating light rod 6, the mounting plate 7 is equipped with limiting cylinder 13 sleeved on the light rod 6, and the light rod 16 can limit the up-down movement of the test mechanism 5 to prevent the test mechanism 5 from deviating.

[0028] Embodiment two

[0029] The counterweight device 10 includes screw rod 14 symmetrically arranged on the top of mounting plate 7, a plurality of detachable counterweight blocks 15 are sequentially sleeved on the screw rod 14, and nut 16 for limiting the movement of counterweight block 15 is threadedly connected on the screw rod 14, when adjusting, only nut 16 is unscrewed, then counterweight block 15 is assembled or disassembled according to the need, and then the nut is reset.

[0030] Embodiment three

[0031] The blocking device 11 comprises slide rails 17 symmetrically arranged on both sides of the U-shaped frame 2, the slide rails 17 are internally provided with sliding blocks 18, one side of the sliding blocks 18 is provided with a U-shaped piece 19 connecting the two sliding blocks 18, and the U-shaped piece 19 is provided with a blocking plate 20 preventing concrete from splashing.

[0032] The slide rail 17 is provided with a baffle 21 at one end close to the center of the U-shaped piece 19, and the baffle 21 is provided with a special-shaped gap 22 allowing the U-shaped piece 19 and the blocking plate 20 to pass through.

[0033] The slide rail 17 and the blocking plate 20 can support the special-shaped gap 22 on the U-shaped piece 19, and pulling the handle on the blocking plate 20 can open or close the blocking plate 20.

[0034] The bottom of the bottom plate 1 is uniformly provided with a plurality of rollers 23 arranged in a rectangular shape, and the rollers 23 can facilitate the movement of the device.

[0035] The telescopic rod and the matching power supply and controller thereof mentioned in the utility model can be provided by the manufacturer, in addition, the circuit, electronic components and modules involved in the utility model are all prior art, and the person skilled in the art can completely realize them without further description.

[0036] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, the person skilled in the art can change, modify, replace, transform, delete part of the features, add features or recombine features to form technical solutions within the scope of the utility model without departing from the principles and purposes of the utility model, and any simple modification, equivalent change and modification made on the basis of the innovative principles of the utility model to the above-mentioned embodiments still belong to the scope of the technical solutions of the utility model.

Claims

1. A building concrete strength testing device, comprising a base plate, a U-shaped frame provided on the base plate, a telescopic rod provided on the U-shaped frame, an electromagnet provided on the output end of the telescopic rod extending into the U-shaped frame, and a testing mechanism provided in the U-shaped frame and matched with the electromagnet, characterized in that: the testing mechanism comprises a light pole symmetrically provided between the base plate and the U-shaped frame, a mounting plate sleeved on the light pole, a magnetic block provided on the top of the mounting plate and matched with the electromagnet in magnetic attraction, a testing head provided on the bottom of the mounting plate, and a counterweight device with adjustable weight provided on the mounting plate; both sides of the U-shaped frame are provided with a blocking device for preventing concrete splashing. A through hole for accommodating the light pole is provided on the mounting plate, and a limiting cylinder sleeved on the light pole is provided on the mounting plate. The counterweight device comprises a screw rod symmetrically provided on the top of the mounting plate, a plurality of detachable counterweight blocks sequentially sleeved on the screw rod, and a nut threadedly connected on the screw rod for limiting the movement of the counterweight blocks.

2. A device for testing the strength of building concrete according to claim 1, characterized in that: The blocking device comprises slide rails symmetrically provided on both sides of the U-shaped frame, a sliding block provided in the slide rail, a U-shaped piece provided on one side of the sliding block and connecting the two sliding blocks, and a blocking plate provided on the U-shaped piece for preventing concrete splashing.

3. The apparatus of claim 1, wherein: One end of the slide rail close to the center of the U-shaped piece is provided with a baffle, and the baffle is provided with a special-shaped gap allowing the U-shaped piece and the blocking plate to pass through.

4. The apparatus of claim 1, wherein: The bottom of the base plate is uniformly provided with a plurality of rollers arranged in a rectangular shape.

5. A device for testing the strength of building concrete according to claim 4, characterized in that: ​ 6. The apparatus of claim 1, wherein: ​

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