Device for detecting compressive strength of foundation pile concrete by cambered surface compression method

By designing an arc-surface compression testing device that allows for easy replacement of the extrusion head and automatic clamping mechanism, the problem of existing technologies being unable to adapt to concrete cores of different sizes has been solved. This enables uniform stress testing of concrete cores and improves the applicability and accuracy of the testing.

CN223597421UActive Publication Date: 2025-11-25MAANSHAN MCC17 ENG TECH CO LTD
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Patent Information

Application Number
CN202423096820.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-25
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

The existing arc-surface compressive strength testing device cannot be adjusted according to the size of the concrete core, which makes it impossible to test the uniform stress on concrete cores of different sizes, thus affecting the test results.

Method used

A curved surface compression testing device was designed. Through a replacement mechanism and a clamping mechanism, the extrusion head can be easily replaced and the concrete core can be automatically fixed, adapting to concrete cores of different sizes.

Benefits of technology

It enables convenient adaptation and uniform stress detection of concrete cores of different sizes, improving the accuracy and applicability of the test.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of concrete strength detection equipment, and discloses a device for detecting the compressive strength of foundation pile concrete by a cambered surface counter-pressing method, which comprises a support, and a fixing frame is fixedly mounted at the top end of the support. By arranging a spring, a handle, a hinge rod and moving rods, when an operator pulls the handle, the spring is compressed, meanwhile, the two moving rods move oppositely along the interior of an extrusion head, and when the two moving rods completely move into the extrusion head, a square groove cannot lock the whole extrusion head through the moving rods at the moment; through the arrangement of the handle, an operator can take out the extrusion head from the interior of the moving block by pulling the handle, due to the elastic effect of the spring, a reset effect is provided for movement of the moving rods, and when the moving rods are driven by the spring to move back to back to be reset, the two moving rods move into the square groove and lock the whole extrusion head; therefore, the extrusion head can be conveniently replaced to adapt to concrete cores with different sizes.
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Description

TECHNICAL FIELD

[0001] The utility model relates to concrete strength detection equipment technical field, concretely relates to the device of arc surface pair pressure method detection foundation pile concrete compressive strength. BACKGROUND

[0002] When carrying out construction, a large amount of concrete needs to be used, in order to ensure the engineering quality, the concrete needs to be detected in advance, and the core drilling method is a relatively recognized and accurate structure concrete compressive strength detection technology. Since the concrete core is often in the form of a cylinder, in order to ensure that the concrete core is uniformly stressed, an arc surface pair detection device is used at this time, the existing arc surface pair detection device has the basic strength test function, but the size of the extrusion head is fixed, and the size of the concrete core cannot be adjusted, so that the same size of the concrete core can only be detected, when the size of the concrete is too large, the detection cannot be carried out, and when the size of the concrete is small, the uniform stress cannot be ensured, and the detection structure is negatively affected. UTILITY MODEL CONTENTS

[0003] In order to overcome the defects of the prior art, the utility model provides the device of arc surface pair pressure method detection foundation pile concrete compressive strength, which has the advantages of convenient replacement of the extrusion head to adapt to different sizes of concrete cores.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme: the device of arc surface pair pressure method detection foundation pile concrete compressive strength, comprising:

[0005] The support is fixedly installed with a fixed frame at the top end, and the left and right sides of the fixed frame are fixedly installed with air cylinders inside;

[0006] The replacement mechanism is arranged at one end of the air cylinder output shaft;

[0007] The replacement mechanism comprises a moving block, a vertical slot is formed in the inside of the moving block, square slots are formed in the front and rear sides of the moving block, an extrusion head is movably connected in the inside of the moving block, the outer surface of the extrusion head is movably connected with the inside of the vertical slot, a round rod is movably sleeved in the inside of the extrusion head, a handle is fixedly sleeved at the top end of the outer surface of the round rod, an activity block is fixedly installed at the bottom end of the round rod, the outer surface of the activity block is movably sleeved with the inside of the square slot, a spring is fixedly installed at the top end of the activity block, the top end of the spring is fixedly connected with the inside of the extrusion head, a hinged rod is hinged in the inside of the bottom end of the activity block, the outer surface of the hinged rod is movably connected with the inside of the square slot, a moving rod is hinged in the inside of the other end of the hinged rod, the outer surface of the moving rod is movably sleeved with the inside of the extrusion head, and the left side of the outer surface of the moving rod is movably sleeved with the inside of the square slot.

[0008] As a preferred embodiment of this utility model, a long rod is fixedly installed inside the fixing frame, and an arc-shaped block is movably sleeved on the outer surface of the long rod, with the arc-shaped block being fixedly connected to the outer surface of the moving block.

[0009] As a preferred embodiment of this utility model, a base is fixedly installed at the bottom of the support, and a control panel is provided on the base.

[0010] As a preferred embodiment of this utility model, a fixing box is fixedly sleeved inside the bottom end of the fixing frame, and a short groove is provided at the top of the fixing box.

[0011] As a preferred embodiment of this utility model, a motor is fixedly installed at the bottom of the fixed box, a rotating shaft is fixedly sleeved at the other end of the motor output shaft, and a screw is fixedly sleeved at the top of the outer surface of the rotating shaft.

[0012] As a preferred embodiment of this utility model, a lifting block is threaded onto the outer surface of the screw, a first hinge block is fixedly installed on the outer surface of the lifting block, a movable rod is hinged inside the first hinge block, and a second hinge block is hinged to the other end of the movable rod.

[0013] As a preferred embodiment of this utility model, a circular block is fixedly installed at the top of the second hinge block, the outer surface of the circular block is movably connected to the inside of the short groove, and a clamping block is fixedly installed at the top of the circular block.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. By incorporating a spring, handle, hinge rod, and moving rods, when the operator pulls the handle, the spring is compressed. Simultaneously, the two moving rods move towards each other along the inside of the extrusion head. When both moving rods are fully inside the extrusion head, the square groove can no longer lock the extrusion head, allowing the operator to remove the extrusion head from the moving block by pulling the handle. Due to the spring's elasticity, the moving rods are reset. When the moving rods move in opposite directions under the spring's influence to reset, the two moving rods will move into the square groove and lock the extrusion head, facilitating the replacement of the extrusion head to accommodate concrete cores of different sizes.

[0016] 2. By setting up a screw, short groove, lifting block and movable rod, when the motor is running, the lifting block will drive the four movable rods to move through the four first hinge blocks. Then, the four movable rods will drive the four round blocks to move through the four second hinge blocks. At this time, the four round blocks will drive the four clamping blocks to move inward under the limit of the short groove. Subsequently, the four clamping blocks will clamp the concrete core in the inward movement, thereby automatically fixing concrete cores of different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the appearance structure diagram of the utility model;

[0018] Figure 2 It is the back side perspective view of the utility model;

[0019] Figure 3 It is the transverse section structure diagram of the utility model;

[0020] Figure 4 It is the longitudinal section view of the utility model;

[0021] Figure 5 It is the section structure diagram of the extrusion head;

[0022] Figure 6 It is Figure 4 The partial enlarged view at A in the middle.

[0023] In the drawing: 1, support; 2, fixed frame; 3, air cylinder; 4, moving block; 5, vertical groove; 6, square groove; 7, extrusion head; 8, round rod; 9, handle; 10, movable block; 11, spring; 12, articulated rod; 13, moving rod; 14, long rod; 15, arc block; 16, base; 17, control panel; 18, fixed box; 19, short groove; 20, motor; 21, rotating shaft; 22, screw; 23, lifting block; 24, first articulated block; 25, movable rod; 26, second articulated block; 27, round block; 28, clamping block. DETAILED DESCRIPTION

[0024] The technical solutions 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by persons of ordinary skill in the art without creative labor fall within the protection scope of the utility model.

[0025] As Figures 1 to 6 Indicated, the utility model provides arc surface to press method detects the device of concrete compressive strength of foundation pile, include: support 1, the top fixed mounting of support 1 has fixed frame 2, and the inside of left and right sides of fixed frame 2 is all fixed mounting and has air cylinder 3;Replacement mechanism, replacement mechanism sets up at the one end of air cylinder 3 output shaft;

[0026] The replacement mechanism comprises a moving block 4, a vertical groove 5 is formed in the interior of the moving block 4, square grooves 6 are formed on the front and back sides of the moving block 4, an extrusion head 7 is movably connected in the interior of the moving block 4, the outer surface of the extrusion head 7 is movably connected with the interior of the vertical groove 5, a round rod 8 is movably sleeved in the interior of the extrusion head 7, a handle 9 is fixedly sleeved at the top end of the outer surface of the round rod 8, a movable block 10 is fixedly installed at the bottom end of the round rod 8, the outer surface of the movable block 10 is movably sleeved with the interior of the square groove 6, a spring 11 is fixedly installed at the top end of the movable block 10, the top end of the spring 11 is fixedly connected with the interior of the extrusion head 7, a hinged rod 12 is hingedly connected in the interior of the bottom end of the movable block 10, the outer surface of the hinged rod 12 is movably connected with the interior of the square groove 6, a moving rod 13 is hingedly connected in the interior of the other end of the hinged rod 12, the right side of the outer surface of the moving rod 13 is movably sleeved with the interior of the extrusion head 7, and the left side of the outer surface of the moving rod 13 is movably sleeved with the interior of the square groove 6.

[0027] When the two air cylinders 3 operate simultaneously, at this time, the two air cylinders 3 will drive the two extrusion heads 7 to move towards each other through the two moving blocks 4, at this time, the two extrusion heads 7 will test the strength of the concrete core in the movement towards each other, when the operator pulls the handle 9, at this time, the handle 9 will drive the two round rods 8 to move upwards along the interior of the extrusion head 7, then the two round rods 8 will drive the two movable blocks 10 to move upwards, at this time, the two extrusion heads 7 will be compressed, at the same time, the two movable blocks 10 will drive the two moving rods 13 to move towards each other along the interior of the extrusion head 7 through the two hinged rods 12, when the two moving rods 13 are out of contact with the interior of the square groove 6 in the movement towards each other, at this time, the two square grooves 6 will not be able to lock the whole extrusion head 7 through the two moving rods 13, so that the operator can drive the whole extrusion head 7 to move out of the interior of the moving block 4 by pulling the handle 9, when the operator releases the handle 9, due to the elastic force of the two springs 11, the two moving rods 13 will move away from each other to reset, when the outer surfaces of the two moving rods 13 are sleeved in the interior of the square groove 6 in the movement away from each other, at this time, the square groove 6 will lock the movement of the whole extrusion head 7 through the moving rod 13, at this time, the whole extrusion head 7 will be connected with the moving block 4, so that the operator can replace the extrusion head 7 to adapt to different sizes of concrete cores.

[0028] A long rod 14 is fixedly installed in the interior of the fixed frame 2, an arc-shaped block 15 is movably sleeved with the outer surface of the long rod 14, and the arc-shaped block 15 is fixedly connected with the outer surface of the moving block 4. When the moving block 4 moves, at this time, the moving block 4 will drive the arc-shaped block 15 to move along the outer surface of the long rod 14, due to the design of the arc-shaped block 15 and the long rod 14, the stability and accuracy of the movement of the moving block 4 can be enhanced.

[0029] The bottom end of the support 1 is fixedly provided with a base 16, and the base 16 is provided with a control panel 17. Due to the design of the base 16, the support 1 can be supported as a whole, and due to the design of the control panel 17, the operator can operate the instrument conveniently and intuitively understand the detection data.

[0030] The bottom end of the fixed frame 2 is internally fixedly sleeved with a fixed box 18, and the top end of the fixed box 18 is provided with a short groove 19. The design of the short groove 19 can limit the object located in the inside.

[0031] The bottom end of the fixed box 18 is fixedly provided with a motor 20, the other end of the output shaft of the motor 20 is fixedly sleeved with a rotating shaft 21, and the top end of the outer surface of the rotating shaft 21 is fixedly sleeved with a screw rod 22. When the motor 20 operates, the rotating shaft 21 will drive the screw rod 22 to rotate.

[0032] The outer surface of the screw rod 22 is threadedly sleeved with a lifting block 23, the outer surface of the lifting block 23 is fixedly provided with a first hinged block 24, the inside of the first hinged block 24 is hingedly provided with a movable rod 25, and the other end of the movable rod 25 is hingedly provided with a second hinged block 26. The outer surface of the screw rod 22 is threadedly sleeved with the inside of the lifting block 23, when the screw rod 22 rotates, the lifting block 23 will move up and down, when the lifting block 23 moves downward, four movable rods 25 will be driven to move through four first hinged blocks 24, and then four second hinged blocks 26 will be driven to move through the other ends of the four movable rods 25.

[0033] The top end of the second hinged block 26 is fixedly provided with a round block 27, the outer surface of the round block 27 is movably connected with the inside of the short groove 19, and the top end of the round block 27 is fixedly provided with a clamping block 28. When the four second hinged blocks 26 move, the four round blocks 27 will move inward along the inside of the four short grooves 19 under the driving of the four second hinged blocks 26, at this time, the four clamping blocks 28 will move inward under the driving of the four round blocks 27, and then the four clamping blocks 28 will fix the concrete core located at the top end of the fixed box 18 in the inward movement.

[0034] The working principle and use process of the utility model are as follows:

[0035] First, the operator will be placed in the fixed box 18 of the concrete core at the top, then the operator will start the motor 20, the shaft 21 will drive screw 22 rotation, because the outer surface of the screw 22 and the internal thread of the lifting block 23 with the sleeve, when the screw 22 will drive the lifting block 23 downward movement, this lifting block 23 will be through the four first hinge block 24 drive four movable rod 25 movement, then four movable rod 25 will be through the four second hinge block 26 drive four round block 27 movement, due to the design of the short groove 19 inside, will limit the movement of the round block 27, at this time the four round block 27 will be driven by the four second hinge block 26 along the four short groove 19 inside movement, at this time the four clamping block 28 will be driven by the four round block 27 inward movement, then four clamping block 28 will be in the inward movement with the concrete core contact, at this time the four clamping block 28 will be clamped on the concrete core, so as to realize the automatic fixing of different size of concrete core function;

[0036] Then the operator will select the size of the concrete core according to the size of the extrusion head 7, after selecting the operator by pulling the handle 9 to lift the whole extrusion head 7, in this process, the handle 9 will first drive two round rods 8 along the inside of the extrusion head 7 upward movement, then two round rods 8 will drive two movable blocks 10 along the inside of the extrusion head 7 upward movement, in this process, two springs 11 will be compressed, at the same time two movable blocks 10 will drive two hinge rods 12 movement, then two hinge rods 12 will drive two movement rods 13 movement, because the outer surface of the two movement rods 13 and the inside of the extrusion head 7 are movably sleeved, so that the inside of the extrusion head 7 will limit the movement of the two movement rods 13, at this time the two movement rods 13 will move along the inside of the extrusion head 7, then two movement rods 13 will be completely retracted into the inside of the extrusion head 7 in the opposite direction movement;

[0037] Subsequently, the operator by pulling the handle 9 will be placed in the whole extrusion head 7 inside the moving block 4, at this time the extrusion head 7 will be the outer surface of the vertical groove 5 at the same time with the inside of the paste, due to the design of the vertical groove 5 will be a good positioning effect on the whole extrusion head 7, when the extrusion head 7 before and after the inside of the two sides of the square groove 6 with the inside of the paste is aligned, at this time the operator to release the handle 9, due to the spring 11 elastic force will be a good reset effect on the whole movement of the handle 9, at this time the movable block 10 will be driven by the spring 11 to move downward for reset, at this time the movable block 10 will be driven by the round bar 8 handle 9 downward reset, at the same time two movable block 10 will be driven by two hinged rod 12 two movement rod 13 opposite movement for reset, then two movement rod 13 will be in opposite movement to the inside of the square groove 6, at this time two movement rod 13 will be the whole movement of the extrusion head 7 for locking, so that the extrusion head 7 and the moving block 4 to complete the connection, thus realized the function of convenient replacement of extrusion head 7 to adapt to different size of concrete core.

Claims

1. A device for detecting the compressive strength of a foundation pile concrete by the method of arc surface compression, characterized in that, Include: Support (1), the top end of the support (1) is fixedly installed with a fixed frame (2), the inside of the left and right sides of the fixed frame (2) is fixedly installed with a pneumatic cylinder (3); The replacement mechanism is provided at one end of the pneumatic cylinder (3) output shaft; The replacement mechanism includes a moving block (4), a vertical groove (5) is formed in the moving block (4), square grooves (6) are formed in the front and rear sides of the moving block (4), a extrusion head (7) is movably connected in the moving block (4), the outer surface of the extrusion head (7) is movably connected with the inside of the vertical groove (5), a round rod (8) is movably sleeved in the inside of the extrusion head (7), a handle (9) is fixedly sleeved at the top end of the outer surface of the round rod (8), a movable block (10) is fixedly installed at the bottom end of the round rod (8), the outer surface of the movable block (10) is movably sleeved with the inside of the square groove (6), a spring (11) is fixedly installed at the top end of the movable block (10), the top end of the spring (11) is fixedly connected with the inside of the extrusion head (7), a hinged rod (12) is hinged in the inside of the bottom end of the movable block (10), the outer surface of the hinged rod (12) is movably connected with the inside of the square groove (6), a moving rod (13) is hinged in the inside of the other end of the hinged rod (12), the outer surface of the moving rod (13) is movably sleeved with the inside of the extrusion head (7), the left side of the outer surface of the moving rod (13) is movably sleeved with the inside of the square groove (6).

2. The device for detecting the compressive strength of pile concrete by the arc surface compression method according to claim 1, characterized in that: The inside of the fixed frame (2) is fixedly installed with a long rod (14), the outer surface of the long rod (14) is movably sleeved with an arc-shaped block (15), the arc-shaped block (15) is fixedly connected with the outer surface of the moving block (4).

3. The device for detecting the compressive strength of pile concrete by the arc surface compression method according to claim 1, characterized in that: The bottom end of the support (1) is fixedly installed with a base (16), a control panel (17) is arranged on the base (16).

4. The device for detecting the compressive strength of pile concrete by the arc surface compression method according to claim 1, characterized in that: The inside of the bottom end of the fixed frame (2) is fixedly sleeved with a fixed box (18), a short groove (19) is formed at the top end of the fixed box (18).

5. The device for detecting the compressive strength of pile concrete by the arc surface compression method according to claim 4, characterized in that: The bottom end of the fixed box (18) is fixedly installed with a motor (20), the other end of the output shaft of the motor (20) is fixedly sleeved with a rotating shaft (21), the top end of the outer surface of the rotating shaft (21) is fixedly sleeved with a screw rod (22).

6. The device for detecting the compressive strength of pile concrete by the arc surface compression method according to claim 5, characterized in that: The outer surface of the screw rod (22) is threadedly sleeved with a lifting block (23), the outer surface of the lifting block (23) is fixedly installed with a first hinged block (24), the inside of the first hinged block (24) is hinged with a movable rod (25), the other end of the movable rod (25) is hinged with a second hinged block (26).

7. The device for detecting the compressive strength of pile concrete by the arc surface to pressure method according to claim 6, characterized in that: The top end of the second hinged block (26) is fixedly installed with a circular block (27), the outer surface of the circular block (27) is movably connected with the inside of the short groove (19), the top end of the circular block (27) is fixedly installed with a clamping block (28).