Sample hardness detection equipment for geotechnical investigation

By adding fixtures and movable mechanisms to the rock hardness detection equipment, the problem of insufficient balance and fixation of the equipment during on-site investigation is solved, and hardness detection with higher accuracy is achieved, and multi-angle detection is supported.

CN222689578UActive Publication Date: 2025-03-28NANHE NUCLEAR SURVEY & DESIGN GRP CO LTD
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Patent Information

Application Number
CN202421010755.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2025-03-28
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

During on-site inspection, the existing rock hardness detection equipment cannot be perpendicular to the detection surface due to insufficient balance and fixation, which reduces the detection accuracy; in addition, the equipment cannot detect rock hardness at multiple angles at a fixed point.

Method used

A hardness detection equipment for geotechnical survey samples was designed. By adding fixtures and movable mechanisms outside the equipment, the vertical and angle adjustment of the equipment is achieved, ensuring that the impact hammer is perpendicular to the detection surface, and that rocks of different angles can be detected.

Benefits of technology

Improves the accuracy of hardness detection, avoids reading deviations due to imbalance, and simplifies the detection process of rock hardness of multiple angles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of rock exploration, and particularly relates to geotechnical exploration sample hardness detection equipment which comprises a motor, a horizontal pointer is arranged on one side of the motor, a display is welded beside the horizontal pointer, a fixing ring is arranged at the bottom end of the display, three through holes are formed in the center of the fixing ring, and the through holes are communicated with the horizontal pointer. A threaded hole is formed in the penetrating hole, and a second spiral thread is arranged in the threaded hole; the fixing device is additionally arranged outside the hardness detection equipment, so that three supporting legs of the fixing device can be adjusted according to conditions for coarse adjustment, and finally, an impact hammer of the equipment can vertically impact a detected rock by observing the operation that the equipment is finely adjusted by rotating a knob through a horizontal pointer; therefore, more accurate hardness parameters are obtained, and reading deviation caused by imbalance is avoided. Rock at different angles can be surveyed by additionally arranging a movable mechanism at a connecting point, and the defect that original equipment needs to be continuously exchanged for detection is overcome.
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Description

Technical Field

[0001] The utility model belongs to the technical field of rock exploration, in particular to a rock and soil exploration sample hardness detection device. Background Art

[0002] Rock exploration refers to the activities of identifying, analyzing, and evaluating the geological, environmental characteristics and geotechnical conditions of the construction site and preparing exploration documents according to the requirements of the construction project. It usually includes geological surveys, sampling and analysis, mineral exploration, etc. When conducting rock exploration, it is necessary to test the hardness of the rock, so rock hardness testing equipment is needed.

[0003] The working principle of rock hardness testing equipment is based on the principle of mechanics, and its hardness is evaluated by measuring the response of the rock to external forces; these devices have important applications in geological exploration, engineering construction and other fields. Common rock hardness testing equipment is compression type and rebound type testers. Their principle is to apply pressure to the rock surface and then judge the hardness of the rock based on deformation or energy feedback.

[0004] When the existing rock hardness testing equipment is used for on-site investigation, the impact head cannot remain perpendicular to the detection surface due to defects in the balance and fixation of the instrument itself, resulting in a decrease in detection accuracy; and the existing rock hardness testing equipment cannot detect the rock hardness at multiple angles at a fixed point. Therefore, a geotechnical exploration sample hardness testing equipment is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and to address the problems existing in the prior art equipment, the utility model proposes a rock and soil survey sample hardness testing device.

[0006] The technical solution adopted by the utility model to solve its technical problems is a hardness detection device for geotechnical exploration samples, including a motor, a horizontal pointer is arranged on one side of the motor, a display is welded next to the horizontal pointer, a fixing ring is arranged at the bottom of the display, three through holes are opened in the center of the fixing ring, threaded holes are arranged inside the through holes, a No. 2 spiral pattern is arranged inside the threaded holes, a support column is welded inside the No. 2 spiral pattern, a knob is arranged on the top of the support column, a transmission rod is welded on one side of the support column, the other end of the transmission rod is connected to the fuselage, three connecting rods are arranged on the periphery of the fixing ring, a connecting block is welded on the other end of the connecting rod, and the connecting block is welded on the other end of the connecting rod. A hole is opened in the center of the block, a support rod is arranged inside the hole, a slide groove is opened at the bottom end of the outer side of the support rod, a slider is embedded in the slide groove, a fixed structure is arranged inside the slider, the fixed structure includes a button, a push rod is welded at the bottom end of the button, a pad is welded at the bottom end of the push rod, a No. 1 spiral pattern is arranged at the bottom end of the pad, a spring is welded at the bottom end of the No. 1 spiral pattern, a rotating gear is arranged outside the spring, the rotating gear is meshed and connected to the sawtooth, a support block is welded at the other end of the sawtooth, a through hole is opened on the side of the support block close to the sawtooth, a sliding column is inserted in the through hole, a slot is opened on one side of the support block, and a fixed hardness testing equipment is designed in this way.

[0007] Preferably, a pedal is welded to the bottom end of the slider, and a conical base is welded to the bottom end of the pedal; three buckles are connected around the outside of the fuselage, and the diameter of the buckles is consistent with the diameter of the support rod; an impact hammer is provided at the bottom end of the fuselage, thereby increasing the stability and accuracy of the equipment operation.

[0008] Preferably, a pointer is provided on the outside of the display, and a scale indicator is provided on the inside of the display; four to five circular columns are arranged inside the slide slot, and the diameter of the circular columns is consistent with the card slot. The design of the pointer and the scale indicator can intuitively estimate the hardness of the rock, facilitates the observation of the detection readings, and increases the accuracy of the equipment.

[0009] The utility model is beneficial in that:

[0010] The utility model adds a fixing device to the outside of the hardness testing equipment, and can adjust the three supporting feet of the fixing device for coarse adjustment according to the situation, and finally observe the horizontal pointer to fine-adjust the equipment by rotating the knob to ensure that the impact hammer of the equipment can vertically impact the test rock, thereby obtaining more accurate hardness parameters and avoiding reading deviations caused by imbalance; by adding a movable mechanism at the connection point, rocks at different angles can be surveyed, avoiding the disadvantage that the original equipment needs to be constantly replaced for testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 It is a schematic diagram of the overall structure of the equipment;

[0013] Figure 2 This is a schematic diagram of the internal structure of the button;

[0014] Figure 3 for Figure 2 The structural diagram at A in the middle;

[0015] Figure 4 for Figure 1 The structural diagram at B in the middle;

[0016] In the figure: 1. motor; 2. horizontal pointer; 3. display; 4. support rod; 5. button; 6. slider; 7. buckle; 8. fuselage; 9. impact hammer; 10. conical base; 11. pedal; 12. slide groove; 13. slot; 14. push rod; 15. pad; 16. knob; 17. serration; 18. perforation; 19. slide column; 20. spiral pattern No. 1; 21. spring; 22. rotating gear; 23. spiral pattern No. 2; 24. support column; 25. transmission rod; 26. fixing ring; 27. connecting rod; 28. connecting block; 29. ​​support block. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-4As shown, a rock and soil exploration sample hardness testing equipment includes a motor 1, a horizontal pointer 2 is provided on one side of the motor 1, a display 3 is welded to the side of the horizontal pointer 2, a fixing ring 26 is provided at the bottom of the display 3, three through holes are opened in the center of the fixing ring 26, threaded holes are provided inside the through holes, a second spiral pattern 23 is provided inside the threaded holes, a support column 24 is welded inside the second spiral pattern 23, a knob 16 is provided on the top of the support column 24, a transmission rod 25 is welded on one side of the support column 24, and the transmission rod The other end of the fixing ring 26 is connected to the fuselage 8. Three connecting rods 27 are arranged on the periphery of the fixing ring 26. A connecting block 28 is welded to the other end of the connecting rod 27. A hole is opened in the center of the connecting block 28. A support rod 4 is arranged inside the hole. A slide groove 12 is opened at the bottom end of the outer side of the support rod 4. A slider 6 is embedded in the slide groove 12. A fixing structure is arranged inside the slider 6. The fixing structure includes a button 5. A push rod 14 is welded to the bottom end of the button 5. A pad 15 is welded to the bottom end of the push rod 14. A No. 1 spiral is arranged at the bottom end of the pad 15. The first spiral pattern 20 has a spring 21 welded at the bottom end thereof, a rotating gear 22 is arranged outside the spring 21, the rotating gear 22 is meshed and connected with the sawtooth 17, a supporting block 29 is welded at the other end of the sawtooth 17, a through hole 18 is provided on the side of the supporting block 29 close to the sawtooth 17, a sliding column 19 is inserted inside the through hole 18, and a slot 13 is provided on one side of the supporting block 29; when the rock hardness test is performed, the operator first props up the supporting rod 4, and then presses the button 5, at which time the push rod 14 begins to descend under the pressure of the button 5, At this time, the No. 1 spiral pattern 20 located at the bottom of the pad 15 begins to descend along the thread inside the rotating gear 22, and drives the rotating gear 22 to start rotating. Then, driven by the rotating gear 22, the support blocks 29 located on both sides of the rotating gear begin to converge. At this time, the cylinder disengages from the slot 13. Then the operator can open or lower the slider 6. After reaching the predetermined position, step on the pedal and fix the conical base 10. Then the push rod 14 begins to rebound under the action of the spring 21. At this time, the cylinder enters the slot 13 to perform coarse adjustment on the equipment.

[0019] A pedal 11 is welded to the bottom end of the slider 6, and a conical base 10 is welded to the bottom end of the pedal 11; three buckles 7 are connected to the outside of the fuselage 8, and the caliber of the buckle 7 is consistent with the caliber of the support rod 4; a pointer is provided on the outside of the display 3, and a scale indicator is provided inside the display 3; four to five circular columns are arranged inside the slide groove 12, and the caliber of the circular columns is consistent with the slot 13; when the rough selection is completed and fine adjustment begins, the operator observes the direction of the horizontal pointer 2 and rotates the knob 16 according to the offset. At this time, the No. 2 threaded hole 23 rises or falls according to the rotation direction and drives the transmission rod 25. At this time, the equipment gradually returns to the state of the vertical detection surface under the drive of the transmission rod 25, thereby completing the vertical and horizontal operation of the equipment, and then the operator starts the motor 1, and finally records the reading of the display according to the feedback of the impact hammer 9. When the detection is completed, the plate body of the support rod 4 is clamped inside the buckle 7 to complete the detection operation.

[0020] Working principle: when testing the rock hardness, the operator first props up the support rod 4, and then presses the button 5. At this time, the push rod 14 begins to descend due to the pressing of the button 5. At this time, the No. 1 spiral pattern 20 at the bottom of the pad 15 begins to descend along the thread inside the rotating gear 22, and drives the rotating gear 22 to start rotating. Then, driven by the rotating gear 22, the support blocks 29 on both sides of the rotating gear begin to converge. At this time, the cylinder is out of the slot 13. Then the operator can open or lower the slider 6. After reaching the predetermined position, step on the pedal and fix the conical base 10. Then the push rod 14 starts to move under the action of the spring 21. Rebound, at this time the cylinder enters the slot 13 to perform coarse adjustment of the equipment; when the coarse selection is completed and fine adjustment begins, the operator observes the direction of the horizontal pointer 2 and rotates the knob 16 according to the offset. At this time, the No. 2 threaded hole 23 rises or falls according to the rotation direction and drives the transmission rod 25. At this time, the equipment gradually returns to the state of being vertical to the detection surface under the drive of the transmission rod 25, thereby completing the vertical and horizontal operation of the equipment. Then the operator starts the motor 1 and finally records the reading of the display according to the feedback of the impact hammer 9. When the detection is completed, the plate body of the support rod 4 is clamped in the buckle 7 to complete the detection operation.

[0021] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0022] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A rock and soil survey sample hardness testing device, characterized in that: The invention comprises a motor (1), a horizontal pointer (2) is provided on one side of the motor (1), a display (3) is welded on the side of the horizontal pointer (2), a fixing ring (26) is provided on the bottom end of the display (3), three through holes are opened in the center of the fixing ring (26), threaded holes are provided inside the through holes, a second spiral pattern (23) is provided inside the threaded holes, a support column (24) is welded inside the second spiral pattern (23), a knob (16) is provided on the top of the support column (24), a transmission rod (25) is welded on one side of the support column (24), the other end of the transmission rod (25) is connected to the fuselage (8), three connecting rods (27) are provided on the periphery of the fixing ring (26), a connecting block (28) is welded on the other end of the connecting rod (27), a hole is opened in the center of the connecting block (28), a support rod (4) is provided inside the hole, The outer bottom end of the support rod (4) is provided with a slide groove (12), a slider (6) is embedded in the slide groove (12), a fixed structure is provided inside the slider (6), and the fixed structure includes a button (5), a push rod (14) is welded to the bottom end of the button (5), a pad (15) is welded to the bottom end of the push rod (14), a No. 1 spiral pattern (20) is provided at the bottom end of the pad (15), a spring (21) is welded to the bottom end of the No. 1 spiral pattern (20), a rotating gear (22) is provided outside the spring (21), the rotating gear (22) is meshed and connected with the sawtooth (17), a support block (29) is welded to the other end of the sawtooth (17), a through hole (18) is provided on the side of the support block (29) close to the sawtooth (17), a slide column (19) is inserted into the through hole (18), and a slot (13) is provided on one side of the support block (29).

2. The hardness testing device for geotechnical survey samples according to claim 1, characterized in that: A pedal (11) is welded to the bottom end of the slider (6), and a conical base (10) is welded to the bottom end of the pedal (11).

3. The hardness testing device for geotechnical survey samples according to claim 1, characterized in that: The fuselage (8) is surrounded and connected with three buckles (7) on the outside, and the diameter of the buckles (7) is consistent with the diameter of the support rod (4).

4. The hardness testing device for geotechnical survey samples according to claim 1, characterized in that: An impact hammer (9) is provided at the bottom end of the machine body (8).

5. The hardness testing device for geotechnical survey samples according to claim 1, characterized in that: The display (3) is provided with a pointer outside and a scale indicator inside.

6. The hardness testing device for geotechnical survey samples according to claim 1, characterized in that: Four to five circular columns are arranged inside the slide groove (12), and the diameter of the circular columns is consistent with that of the clamping groove (13).