Compressive strength detection device for core sample test piece

Abstract

The utility model discloses a compressive strength detection device for a core sample test piece, and belongs to the technical field of concrete detection, the compressive strength detection device comprises a bearing mechanism, the bearing mechanism comprises a box body, handles are mounted at the center positions of the front and rear plate surfaces of the box body, and knobs are mounted at the center positions of the left and right plate surfaces of the box body; the knob main shaft penetrates through the plate surface of the box body and is fixedly connected with a gear, guide plates are arranged above and below the gear, the guide plates are fixed on the plate wall of the box body, and the bottom of the box body is fixedly connected with a bottom plate; according to the improved compressive strength detection device for the core sample test piece, the first clamping mechanism and the second clamping mechanism are synchronously driven at the same time through the control knob, so that the core sample test piece located between the first clamping mechanism and the second clamping mechanism is corrected and fixed to the central position of the bearing mechanism, and the position of the core sample test piece does not need to be finely adjusted again; the operation is simple and efficient, and the bearing mechanism arranged on the device is responsible for fixing and collecting the core sample test piece.

Description

Technical Field

[0001] The present application relates to the technical field of concrete testing, and in particular to a device for testing the compressive strength of a core sample specimen. Background Art

[0002] Concrete testing is a process that uses various methods and techniques to evaluate the performance, strength, durability and safety of concrete structures or concrete components. It can ensure the stability and safety of concrete structures during use, as well as provide valuable information about concrete materials and construction quality for design and construction. Compressive strength testing is an important part of concrete testing.

[0003] The patent document with the published announcement number CN217331875U provides a concrete core sample compressive strength testing device, including a bottom plate, a through hole is provided on the bottom plate, a slag box is connected to the bottom of the bottom plate, a placement plate is provided above the bottom plate, a sieve plate is fixed on the inner side of the placement plate, a horizontal component is provided at the bottom of the placement plate, two fixed plates are fixed on the top of the placement plate, an adjustment component is provided inside the fixed plate, a bracket plate is fixed on the top of the bottom plate, a detection body is installed on the bracket plate, and the horizontal component includes four rotating grooves provided at the bottom of the placement plate. The concrete core sample compressive strength testing device can adjust the stability of the concrete core sample placement according to the stable state of the equipment placement through the cooperation between the structures in the horizontal component, so as to avoid the unstable placement affecting the detection, and at the same time, the concrete core sample can be clamped and fixed by the adjustment component, so as to prevent the concrete core sample from moving and affecting the detection.

[0004] The core sample specimen is clamped at both ends of the above-mentioned device by means of clamping blocks, screw rods, nuts and hinges. The position of the nuts on both sides on the screw rods is adjusted so that the hinges on both sides push the clamping blocks. However, the above-mentioned device cannot accurately adjust the relative positions of the two clamping mechanisms. There is a possibility that the core sample specimen may deviate from the detection position. At this time, it is necessary to continue to fine-tune the clamping mechanisms on both sides to ensure that the core sample specimen is located at the detection center position, thereby reducing the detection efficiency and affecting the specific implementation of the detection. In addition, the device collects the fallen debris through a sieve plate. Holes are provided on the surface of the sieve plate. The wall of the hole will act on the lower surface of the core sample specimen, thereby affecting the pressure on the core sample specimen and causing uneven force on the lower surface of the core sample specimen, thereby affecting the detection result. Utility Model Content

[0005] The present application proposes a device for detecting the compressive strength of a core sample specimen to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, this application adopts the following technical solutions:

[0007] A compressive strength testing device for a core sample specimen comprises a bearing mechanism, the bearing mechanism comprises a box body, handles are installed at the center positions of the front and rear panels of the box body, knobs are installed at the center positions of the left and right panels of the box body, the knob spindle passes through the box body panel and is fixedly connected to a gear, guide plates are arranged above and below the gear, the guide plates are fixed to the box body panel wall, the bottom of the box body is fixedly connected to a bottom plate, and a first clamping mechanism and a second clamping mechanism are installed inside the bearing mechanism.

[0008] As a preferred embodiment, the first clamping mechanism includes a first tooth rod whose bottom surface is meshed with the gear, a guide plate is slidably connected to the upper surface of the first tooth rod, and a first clamping plate is fixedly connected to one end of the first tooth rod, and the second clamping mechanism includes a second tooth rod whose top surface is meshed with the gear, a guide plate is slidably connected to the lower surface of the second tooth rod, and a second clamping plate is fixedly connected to one end of the second tooth rod.

[0009] By adopting the above technical solution, the first clamping mechanism and the second clamping mechanism are responsible for clamping and fixing the core sample.

[0010] As a preferred embodiment, an angular groove is provided in the middle of each of the first clamping plate and the second clamping plate, two first gear rods are fixedly connected to both sides of the first clamping plate, and two second gear rods are fixedly connected to both sides of the second clamping plate.

[0011] By adopting the above technical solution, the groove body is arranged in an angular shape, which makes it easier for the groove wall to clamp the side surfaces of core sample specimens with different diameters.

[0012] As a preferred embodiment, the lower surface of the base plate contacts with a pad, the upper end of the pad is fixedly connected with a fixing plate, the fixing plate is in an inverted "L" shape and is symmetrical on the left and right, and a positioning bolt is installed on the fixing plate, and the lower end of the positioning bolt passes through the upper surface of the base plate.

[0013] By adopting the above technical solution, the pad is responsible for bearing the weight of the bearing mechanism, and the fixing plate and the positioning bolts are responsible for clamping the bearing mechanism.

[0014] As a preferred implementation manner, a frame is fixedly connected to the lower end of the pad, and a detection body is installed and connected to the upper end of the frame.

[0015] By adopting the above technical solution, the frame is responsible for bearing the gravity of the bearing mechanism, and the detection body is responsible for squeezing the core sample and recording data.

[0016] As a preferred embodiment, legs are fixedly connected to the lower surface of the frame.

[0017] By adopting the above technical solution, the outriggers play a supporting role for the overall device.

[0018] Beneficial effects of this application:

[0019] 1. The compressive strength testing device of the core sample specimen drives the gear by rotating the knob, the gear drives the first gear rod and the second gear rod to move, the first gear rod and the second gear rod drive the first clamping plate and the second clamping plate to move, that is, the first clamping mechanism and the second clamping mechanism are driven synchronously by controlling the knob, so that the core sample specimen located between the first clamping mechanism and the second clamping mechanism is corrected and fixed to the center position of the bearing mechanism, and there is no need to fine-tune the core sample specimen again, and the operation is simple and efficient;

[0020] 2. The bearing mechanism of the compressive strength testing device of the core sample specimen is responsible for fixing the core sample specimen, and at the same time, it can also collect and shield the cracks when the core sample specimen is fractured, so as to prevent the cracks from bursting out due to pressure, polluting the test environment or injuring the experimenters. The fixing plate is always ensured to be perpendicular to the test body, thereby ensuring that the core sample specimen located inside the bearing mechanism is always at a suitable test angle to ensure the accuracy of the experiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main structure of this application;

[0022] Figure 2 This is a schematic diagram of the structure of the first clamping mechanism and the second clamping mechanism of the present application;

[0023] Figure 3 This is a schematic diagram of the longitudinal section structure of the supporting mechanism of this application.

[0024] Numbers in the figure: 1. Carrying mechanism; 101. Box body; 102. Handle; 103. Bottom plate; 104. Knob; 105. Gear; 106. Guide plate; 2. First clamping mechanism; 201. First gear rod; 202. First clamping plate; 3. Second clamping mechanism; 301. Second gear rod; 302. Second clamping plate; 4. Pad; 5. Fixing plate; 6. Positioning bolt; 7. Frame; 8. Detection body; 9. Leg. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0026] Reference Figure 1-3A compressive strength testing device for a core sample specimen comprises a bearing mechanism 1, the bearing mechanism 1 comprises a box body 101, handles 102 are installed at the center positions of the front and rear panels of the box body 101, knobs 104 are installed at the center positions of the left and right panels of the box body 101, the main shaft of the knob 104 passes through the panel of the box body 101 and is fixedly connected to a gear 105, guide plates 106 are arranged above and below the gear 105, the guide plates 106 are fixed on the panel wall of the box body 101, a bottom plate 103 is fixedly connected to the bottom of the box body 101, and a first clamping mechanism 2 and a second clamping mechanism 3 are installed inside the bearing mechanism 1.

[0027] Reference Figure 1-3 The first clamping mechanism 2 includes a first gear rod 201 whose bottom surface is meshed with the gear 105, a guide plate 106 is slidably connected to the upper surface of the first gear rod 201, and a first clamping plate 202 is fixedly connected to one end of the first gear rod 201. The second clamping mechanism 3 includes a second gear rod 301 whose top surface is meshed with the gear 105, a guide plate 106 is slidably connected to the lower surface of the second gear rod 301, and a second clamping plate 302 is fixedly connected to one end of the second gear rod 301. The core sample is placed between the first clamping mechanism 2 and the second clamping mechanism 3, and the knobs 104 at both ends of the carrying mechanism 1 are turned. The knobs 104 drive the gear 105 to rotate, and the gear 105 drives the first gear rod 201 and the second gear rod 301 meshed with the side thereof to move. Under the action of the gear 105 and the guide plate 106, the first gear rod 201 and the second gear rod 301 drive the first clamping plate 202 and the second clamping plate 302 to continuously approach each other until the core sample is clamped, thereby realizing the clamping operation of the core sample.

[0028] Reference Figure 1-3 , an angular groove is provided in the middle of the first clamping plate 202 and the second clamping plate 302, two first gear rods 201 are fixedly connected on both sides of the first clamping plate 202, and two second gear rods 301 are fixedly connected on both sides of the second clamping plate 302. When the first clamping plate 202 and the second clamping plate 302 are constantly approaching the core sample, the groove between the first clamping plate 202 and the second clamping plate 302 will gradually surround the core sample, and the groove body is arranged in an angular shape, which is convenient for the groove wall to clamp the side of the core sample with different diameters.

[0029] Reference Figure 1-3 The lower surface of the bottom plate 103 contacts with the pad 4, and the upper end of the pad 4 is fixedly connected with the fixing plate 5, which is in an inverted "L" shape and symmetrical. The fixing plate 5 is installed with a positioning bolt 6, and the lower end of the positioning bolt 6 passes through the upper surface of the bottom plate 103. After the core sample is fixed, the bottom plate 103 is aligned between the pad 4 and the fixing plate 5, and the bearing mechanism 1 is pushed to slide on the pad 4, so that the lower surface of the bearing mechanism 1 completely overlaps with the upper surface of the pad 4, and the bearing mechanism 1 is firmly fixed to the upper surface of the pad 4 by the positioning bolt 6, thereby realizing the fixation of the bearing mechanism 1.

[0030] Reference Figure 1-3 The lower end of the pad 4 is fixedly connected with a frame 7, and the upper end of the frame 7 is installed with a detection body 8. After the installation of the bearing mechanism 1 is completed, the detection body 8 is started to squeeze the core sample and record the detection data, thereby realizing the measurement of the core sample.

[0031] Reference Figure 1-3 The lower surface of the frame 7 is fixedly connected with a leg 9. The leg 9 is located at the lower end of the entire device, supports the entire device, and is responsible for maintaining the stability of the device during the detection process.

[0032] Working principle: place the core sample between the first clamping mechanism 2 and the second clamping mechanism 3, turn the knobs 104 at both ends of the carrying mechanism 1, the knobs 104 drive the gear 105 to rotate, the gear 105 drives the first gear rod 201 and the second gear rod 301 meshed with the side thereof to move, the first gear rod 201 and the second gear rod 301, under the action of the gear 105 and the guide plate 106, drive the first clamping plate 202 and the second clamping plate 302 to continuously approach until the core sample is clamped, thereby realizing the clamping operation of the core sample. When the first clamping plate 202 and the second clamping plate 302 continuously approach the core sample, the groove between the first clamping plate 202 and the second clamping plate 302 will gradually surround the core sample, and the groove body is arranged in an angular shape, which is convenient for the groove wall to clamp the side of the core sample with different diameters.

[0033] When the core sample is fixed, align the bottom plate 103 between the pad 4 and the fixing plate 5, push the bearing mechanism 1 to slide on the pad 4, so that the lower surface of the bearing mechanism 1 completely overlaps with the upper surface of the pad 4, and fix the bearing mechanism 1 firmly to the upper surface of the pad 4 by the positioning bolts 6, thereby achieving the fixation of the bearing mechanism 1. After the installation of the bearing mechanism 1 is completed, start the detection body 8, so that the detection body 8 squeezes the core sample and records the detection data, thereby achieving the measurement of the core sample.

[0034] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed in the present application according to the technical solution and utility model concept of the present application, which should be covered by the protection scope of the present application.

Claims

1. A device for testing the compressive strength of a core sample, comprising a bearing mechanism (1), It is characterized in that The bearing mechanism (1) comprises a box body (101), handles (102) are installed at the center positions of the front and rear panels of the box body (101), knobs (104) are installed at the center positions of the left and right panels of the box body (101), the main shaft of the knob (104) passes through the panel of the box body (101) and is fixedly connected to a gear (105), guide plates (106) are arranged above and below the gear (105), the guide plates (106) are fixed to the panel wall of the box body (101), the bottom of the box body (101) is fixedly connected to a bottom plate (103), and a first clamping mechanism (2) and a second clamping mechanism (3) are installed inside the bearing mechanism (1).

2. A compressive strength testing device for a core sample according to claim 1, It is characterized in that The first clamping mechanism (2) comprises a first gear rod (201) whose bottom surface is meshed with the gear (105), the upper surface of the first gear rod (201) is slidably connected to a guide plate (106), and one end of the first gear rod (201) is fixedly connected to a first clamping plate (202), and the second clamping mechanism (3) comprises a second gear rod (301) whose top surface is meshed with the gear (105), the lower surface of the second gear rod (301) is slidably connected to the guide plate (106), and one end of the second gear rod (301) is fixedly connected to a second clamping plate (302).

3. A compressive strength testing device for a core sample according to claim 2, It is characterized in that An angular groove is provided in the middle of the first clamping plate (202) and the second clamping plate (302); two first gear rods (201) are fixedly connected to the two sides of the first clamping plate (202); and two second gear rods (301) are fixedly connected to the two sides of the second clamping plate (302).

4. A compressive strength testing device for a core sample according to claim 1, It is characterized in that The lower surface of the bottom plate (103) contacts a pad (4), the upper end of the pad (4) is fixedly connected to a fixing plate (5), the fixing plate (5) is in an inverted "L" shape and is bilaterally symmetrical, and a positioning bolt (6) is installed on the fixing plate (5), the lower end of the positioning bolt (6) passes through the upper surface of the bottom plate (103).

5. A device for testing the compressive strength of a core sample according to claim 4, It is characterized in that The lower end of the pad (4) is fixedly connected to a frame (7), and the upper end of the frame (7) is mounted and connected to a detection body (8).

6. A device for testing the compressive strength of a core sample according to claim 5, It is characterized in that A support leg (9) is fixedly connected to the lower surface of the frame (7).

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