Concrete test block compression resistance detection device

By using a cylinder protective structure and a quick change test set in the pressure-resistant detection device of the concrete test block, the time-consuming problem of slag sputtering and cleaning after the test block is broken is solved, and a safe and efficient inspection process is achieved.

CN222671590UActive Publication Date: 2025-03-25CHINA RAILWAY BEIJING ENG BUREAU GRP INSPECTION CO LTD
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Patent Information

Application Number
CN202420051903.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-09
Publication Date
2025-03-25
Estimated Expiration
2034-01-09

AI Technical Summary

Technical Problem

When using a press to test the concrete test block, the slag produced after the test block breaks is prone to sputtering, endangering the safety of the staff. At the same time, the process of cleaning the slag is long.

Method used

The concrete test block compression detection device using a cylinder-type protective structure includes a reaction support, a hydraulic press, a quick change test piece set, a positioning seat and a workbench. The rapid replacement of the test piece and the slag seal are achieved through the cylinder-type structure and a quick change test piece set.

Benefits of technology

It effectively prevents slag sputtering when the concrete test block breaks, reduces the risk to staff, and reduces cleaning time by quickly replacing the test piece, improving detection efficiency and data reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a concrete test block compression resistance detection device which comprises a counter-force support, a hydraulic machine, a quick-change type test piece sleeve, a positioning seat and a workbench, the positioning seat is arranged on the upper surface of the workbench and is of an annular limiting structure, and the quick-change type test piece sleeve is placed on the positioning seat and is horizontally limited through the positioning seat. The counter-force support is of a portal structure and is arranged on the upper surface of the workbench, the hydraulic machine is arranged on the lower surface of a cross beam at the top end of the counter-force support, the feeding direction of the working end of the hydraulic machine is vertically downward, the axis of the hydraulic machine is collinear with the axis of the positioning seat, and a spring positioning mechanism is arranged in the quick-change sleeve. According to the utility model, a cylinder type protection structure is adopted, so that the danger of workers caused by the splashing of disintegrating slag generated when a concrete test block is fractured to the periphery is avoided; meanwhile, the barrel type structure is adopted to realize quick replacement of the test piece, so that the barrel and the test piece are replaced together, and a scrap cleaning step on an experimental machine is avoided.
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Description

Technical Field

[0001] The utility model relates to the field of building detection, in particular to a concrete test block compression detection device. Background Art

[0002] Ordinary concrete refers to an artificial stone made by mixing cement as the main binder, water, sand, gravel, and, when necessary, chemical admixtures and mineral admixtures in appropriate proportions, and undergoing uniform mixing, compaction molding, and curing and hardening. Concrete is mainly divided into two stages and states: the plastic state before coagulation and hardening, namely fresh concrete or concrete mixture; the hard state after hardening, namely hardened concrete or concrete. The concrete strength grade is divided according to the standard value of cube compressive strength, and the compressive strength of concrete cube needs to be tested using a concrete test block compression test device.

[0003] When a press is used to test a concrete test block, the concrete test block will break. The debris generated when the concrete test block breaks will inevitably splash around, which may easily cause danger to the workers. At the same time, the broken concrete test block needs to be cleaned up after each test, and the cleaning process will consume a lot of time.

[0004] CN215414776U discloses a concrete test block compression test device, including a device body, a bottom plate is provided on the device body, a support rod is provided on the bottom plate, the support rod is fixedly connected to the bottom plate through a thread, a top plate is provided on the support rod, the top plate is fixedly connected to the bottom plate through the support rod, a hydraulic cylinder is provided on the top plate, a drive motor is provided on the top plate, and a placement plate is provided on the drive motor. This concrete test block compression test device makes it easier to test concrete test blocks, greatly reduces working time, and is more convenient to operate.

[0005] It can be seen that this type of concrete test block compression testing device is an open structure and does not solve the above problems.

[0006] Therefore, a concrete test block compression testing device is needed to solve the above problems. Utility Model Content

[0007] The utility model aims to solve the problem that in the prior art, when a press is used to test a concrete test block, a concrete test block will break, and the debris generated when the concrete test block breaks will inevitably splash around, which is easy to cause danger to the staff. At the same time, after each test, the broken concrete test block needs to be cleaned up first, and the cleaning process consumes a lot of time. A concrete test block compression test device is provided, which adopts a cylindrical protective structure to solve the above problems.

[0008] The utility model provides a concrete test block compression testing device, comprising a reaction support, a hydraulic press, a quick-change test piece sleeve, a positioning seat and a workbench, wherein the positioning seat is arranged on the upper surface of the workbench, the positioning seat is an annular limiting structure, the quick-change test piece sleeve is placed on the positioning seat, and the positioning seat is horizontally limited, and the bottom edge of the quick-change test piece sleeve is transitionally matched with the inner diameter of the positioning seat, the reaction support is a gantry structure arranged on the upper surface of the workbench, the hydraulic press is arranged on the lower surface of the cross beam at the top of the reaction support, the feeding direction of the working end of the hydraulic press is vertically downward, the axis of the hydraulic press axis positioning seat axis is collinear, and a spring positioning mechanism is arranged inside the quick-change test piece sleeve.

[0009] In the concrete test block compression testing device described in the utility model, as a preferred embodiment, the positioning seat is a rectangular ring structure.

[0010] The utility model discloses a concrete test block compression testing device, as a preferred mode, a quick-change test piece sleeve includes a sleeve body, four supporting plates, four supporting springs, four guide rods and four guide holes, the sleeve body is a cubic structure with a shell drawn from the top surface, the four guide holes are respectively arranged in the middle of the four side panels of the sleeve body, the guide holes are through-hole structures, the guide rods and the guide holes are transitionally matched, the guide rods pass through the guide holes, the guide rods are arranged inside the sleeve body, a supporting plate is arranged at one end, the supporting plate is a plate structure, the supporting plate is arranged perpendicular to the guide rod, a supporting spring is arranged between the supporting plate and the inner wall of the sleeve body, and the supporting spring is arranged around the outer periphery of the guide rod.

[0011] The utility model discloses a concrete test block compression testing device, as a preferred embodiment, a screw locating pin is arranged on the locating seat in the horizontal direction toward the axial direction of the locating seat.

[0012] The beneficial effects of the utility model are as follows:

[0013] (1) A cylindrical protective structure is used to prevent the debris generated when the concrete test block breaks from splashing around and causing danger to the workers;

[0014] (2) The use of a cylinder structure enables quick replacement of the specimen, allowing the cylinder and the specimen to be replaced together, avoiding the need to perform debris cleaning steps on the experimental machine;

[0015] (3) A positioning mechanism is used to ensure that the test piece and the hydraulic press are in the same vertical position as much as possible, and the overall test data is highly reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a concrete test block compression testing device;

[0017] Figure 2 It is a schematic diagram of a quick-change specimen set for a concrete specimen compression testing device.

[0018] Reference numerals:

[0019] 1. Reaction support; 2. Hydraulic press; 3. Quick-change test piece sleeve; 31. Sleeve body; 32. Supporting plate; 33. Supporting spring; 34. Guide rod; 35. Guide hole; 4. Positioning seat; 5. Workbench. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Example 1

[0022] like Figure 1 As shown, a concrete test block compression test device includes a reaction support 1, a hydraulic press 2, a quick-change test piece sleeve 3, a positioning seat 4 and a workbench 5. The positioning seat 4 is arranged on the upper surface of the workbench 5. The positioning seat 4 is a ring-shaped limiting structure. The quick-change test piece sleeve 3 is placed on the positioning seat 4. Through the horizontal limiting of the positioning seat 4, the bottom edge of the quick-change test piece sleeve 3 and the inner diameter of the positioning seat 4 are transitionally matched. The reaction support 1 is a gantry structure arranged on the upper surface of the workbench 5. The hydraulic press 2 is arranged on the lower surface of the top crossbeam of the reaction support 1. The feeding direction of the working end of the hydraulic press 2 is vertically downward. The axis of the hydraulic press 2 and the axis of the positioning seat 4 are collinear. A spring positioning mechanism is arranged inside the quick-change test piece sleeve 3. The positioning seat 4 is a rectangular ring structure.

[0023] like Figure 2 As shown, the quick-change test piece sleeve 3 includes a sleeve body 31, four supporting plates 32, four supporting springs 33, four guide rods 34 and four guide holes 35. The sleeve body 31 is a cubic structure with a shell on the top surface. The four guide holes 35 are respectively arranged in the middle of the four side panels of the sleeve body 31. The guide holes 35 are through-hole structures. The guide rods 34 and the guide holes 35 are transitionally matched. The guide rods 34 pass through the guide holes 35. The guide rods 34 are arranged at one end of the sleeve body 31. The supporting plate 32 is a plate structure. The supporting plate 32 is arranged perpendicular to the guide rods 34. The supporting springs 33 are arranged between the supporting plate 32 and the inner wall of the sleeve body 31, and the supporting springs 33 are arranged around the outer periphery of the guide rods 34.

[0024] Optionally, a screw locating pin is provided on the locating seat 4 in the horizontal direction toward the axis of the locating seat 4 .

[0025] Optionally, the guide rod 34 and the guide hole 35 are screw rod and screw hole structures, and the guide rod 34 and the supporting plate 32 are connected via an axle seat.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A concrete test block compression testing device, characterized in that: The invention comprises a reaction support (1), a hydraulic press (2), a quick-change test piece sleeve (3), a positioning seat (4) and a workbench (5); the positioning seat (4) is arranged on the upper surface of the workbench (5); the positioning seat (4) is an annular limiting structure; the quick-change test piece sleeve (3) is placed on the positioning seat (4) and is horizontally limited by the positioning seat (4); the bottom edge of the quick-change test piece sleeve (3) and the inner diameter of the positioning seat (4) are transitionally matched; the reaction support (1) is a gantry structure arranged on the upper surface of the workbench (5); the hydraulic press (2) is arranged on the lower surface of the top crossbeam of the reaction support (1); the feeding direction of the working end of the hydraulic press (2) is vertically downward; the axis of the hydraulic press (2) and the axis of the positioning seat (4) are colinear; and a spring positioning mechanism is arranged inside the quick-change test piece sleeve (3).

2. A concrete test block compression testing device according to claim 1, characterized in that: The positioning seat (4) is a rectangular ring structure.

3. A concrete test block compression testing device according to claim 2, characterized in that: The quick-change test piece sleeve (3) comprises a sleeve body (31), four supporting plates (32), four supporting springs (33), four guide rods (34) and four guide holes (35). The sleeve body (31) is a cubic structure with a top shell. The four guide holes (35) are respectively arranged in the middle of four side panels of the sleeve body (31). The guide holes (35) are through-hole structures. The guide rods (34) are transitionally matched with the guide holes (35). The guide rods (34) pass through the guide holes (35). The guide rods (34) are arranged inside the sleeve body (31). The supporting plate (32) is arranged at one end. The supporting plate (32) is a plate structure. The supporting plate (32) is arranged perpendicular to the guide rods (34). The supporting springs (33) are arranged between the supporting plate (32) and the inner side wall of the sleeve body (31). The supporting springs (33) are arranged around the outer periphery of the guide rods (34).

4. A concrete test block compression testing device according to claim 1, characterized in that: A screw positioning pin is arranged on the positioning seat (4) in a horizontal direction toward the axial direction of the positioning seat (4).