Deep-sea rock in-situ shear strength testing device

Abstract

The utility model discloses a deep-sea rock in-situ shear strength testing device, which belongs to the technical field of deep-sea rock testing devices and comprises a base, a rotating seat is rotatably connected onto the base, a rotating motor is mounted in the base, and an output end of the rotating motor is coaxially and fixedly connected with the rotating seat. The testing mechanism comprises a driving assembly, a sliding groove is formed in the rotating seat, the driving assembly is connected to the rotating seat, the output end of the driving assembly penetrates and extends into the sliding groove and is connected with two sliding blocks, and the two sliding blocks are slidably connected into the sliding groove. Through the arrangement of the testing mechanism and the rotating motor, a stable fixing effect can be formed on rock capable of being clamped, rock with gaps and rock with low hardness, the accuracy of the shearing measuring head on rock testing is improved, meanwhile, the shearing measuring head is matched with the rotating motor and the limiting block, the shearing measuring head can adapt to different testing modes conveniently, and the testing efficiency is improved. And the use adaptability of the shearing measuring head is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to deep sea rock testing device technical field especially relates to a deep sea rock in situ shearing strength testing device. BACKGROUND

[0002] The deep sea rock in situ shearing strength testing equipment is a kind of deep sea rock testing equipment, which is specially used for the on-site testing of the shearing strength of rock under deep sea environment, effectively avoids the disturbance and damage problems that may occur in the collection and transportation process of rock sample, and improves the accuracy of testing.The shearing strength of rock refers to the ability of rock mass to resist shear failure of external force, and when carrying out deep sea construction activity, the shearing strength data of rock need to be obtained to facilitate better construction.

[0003] When testing the shearing strength of rock, the existing shear probe fixing mode is relatively single, usually adopts anchor rod to fix rock, and the adaptability of shear probe is reduced for the rock with high hardness and clamping, and the rock with gap cannot form adaptive fixing effect. UTILITY MODEL CONTENT

[0004] The utility model discloses a deep sea rock in situ shearing strength testing device to solve the problem that the shearing probe of traditional technology adopts anchor rod to fix rock, and the adaptability of shear probe is reduced for the rock with high hardness and clamping, and the rock with gap cannot form adaptive fixing effect.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A deep sea rock in situ shearing strength testing device, comprising:

[0007] A base is rotatably connected with a rotating seat, a rotating motor is installed in the base, and the output end of the rotating motor is coaxially fixedly connected with the rotating seat;

[0008] A testing mechanism includes a driving assembly, a sliding groove is formed in the rotating seat, the driving assembly is connected to the rotating seat, and the output end penetrates into the sliding groove and is connected with two sliding blocks, the two sliding blocks are slidably connected in the sliding groove, a rotary motor is installed in each of the two sliding blocks, the output end of the rotary motor penetrates the sliding block and is coaxially fixedly connected with a clamping plate, an installation slot is formed in the clamping plate, an installation frame is slidably connected in the installation slot, a testing equipment is installed on the base, the output end of the testing equipment is two shear probes, and the two shear probes are one-to-one correspondingly installed in the two installation frames.

[0009] Preferably, the driving assembly comprises a driving motor mounted on the rotating seat side, the driving motor output end penetrates into the sliding groove, and a threaded rod is coaxially fixedly connected; the two sliding blocks are threadedly connected to the threaded rod, and the pitch of the threaded connection part of the threaded rod and the two sliding blocks is opposite to the spiral direction.

[0010] Preferably, the two clamping plates are fixedly connected with protective pads on both sides, and the protective pads are elastic.

[0011] Preferably, the clamping plates are fixedly connected with limiting blocks on both sides, the sliding grooves are communicated with limiting grooves on both sides, the limiting blocks are slidingly connected in the limiting grooves on the same side, the limiting grooves are communicated with an annular groove, and the clamping plates are coaxially rotationally connected with the annular groove through the two limiting blocks.

[0012] Preferably, the sliding groove is provided with an electric telescopic rod, and the mounting frame is fixedly connected with an ear plate on the outer side, and the electric telescopic rod is fixedly connected with the ear plate.

[0013] Preferably, the two clamping plates are fixedly connected with semicircular rods at the ends away from the sliding blocks, and the two semicircular rods are combined into an anchor rod after moving and closing.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1、the utility model discloses a test mechanism is set up, and the driving motor works, and two sliding blocks are driven by the threaded rod and approach each other or move away, and two sliding blocks approach each other can make two clamping plates approach each other and form the clamping effect to rock, and two sliding blocks move away can make the clamping plate abut at the gap of rock, and the clamping or external expansion of rock is completed, and the stability of the shear measuring head on the clamping plate when working in the rock with the gap is enhanced, and the accuracy of testing is guaranteed.

[0016] 2、the utility model discloses a rotating motor and a limiting block are set up, when the test mechanism is converted to clamp or external expansion, the rotating motor works, makes the clamping plate rotate 170 ° at the annular groove, and after rotating, the sliding block continues to drive the clamping plate to move, and the limiting block can be limited to the clamping plate by cooperating with the limiting groove, avoids the deflection when moving, thereby facilitating the shear measuring head to directly detect the rock when clamping or external expansion of the test mechanism, and the use adaptability of the shear measuring head is improved.

[0017] 3、The utility model discloses a rotatory motor and test mechanism are through, when two clamping plates are closed, the semicircular rod on it constitutes the anchor rod, and the rotatory motor works and drives the rotation of the rotating seat, and the anchor rod is conveniently drilled into the softer rock, and the drill hole is drilled out, thereby can be through the shearing test head and carry out the shearing strength detection to the rock in the drill hole, and further improve the adaptability of different rock tests.

[0018] To sum up, the utility model discloses a test mechanism and rotatory motor are set up, and the rock of clamping, the rock with gap and the rock of lower hardness can form stable fixing effect, improve the accuracy of shearing test head to rock test, and cooperate with the rotatory motor and limit block, and the shearing test head is convenient to adapt to different test mode, and improve the use adaptability of shearing test head. ACCURACY

[0019] Figure 1 It is the structural schematic diagram of the utility model;

[0020] Figure 2 It is the horizontal cross section structural schematic diagram of the utility model;

[0021] Figure 3 It is the rotating seat partial cross section structural schematic diagram of the utility model;

[0022] Figure 4 It is the clamping plate middle cross section structural schematic diagram of the utility model.

[0023] In the drawing: 1 base, 2 rotating seat, 3 rotatory motor, 4 sliding groove, 5 drive motor, 6 threaded rod, 7 sliding block, 8 rotatory motor, 9 clamping plate, 10 limit block, 11 limit slot, 12 annular groove, 13 shearing test head, 14 installation slot, 15 installation frame, 16 electric telescopic rod, 17 anchor rod. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.

[0025] Referring to Figures 1-4 A deep-sea rock in-situ shear strength testing device, comprising:

[0026] Base 1, rotatingly connected with rotating seat 2 on base 1, rotating motor 3 is installed in base 1, and the output end of rotating motor 3 is coaxially fixedly connected with rotating seat 2.

[0027] The testing mechanism comprises a driving assembly, a rotating seat 2, a sliding groove 4 formed in the rotating seat 2, the driving assembly connected to the rotating seat 2 and having an output end penetrating into the sliding groove 4, two sliding blocks 7 connected to the driving assembly, the two sliding blocks 7 slidingly connected to the sliding groove 4, a rotating motor 8 installed in each of the two sliding blocks 7, the rotating motor 8 having an output end penetrating through the sliding block 7 and coaxially fixedly connected with a clamping plate 9, the clamping plate 9 penetratingly provided with an installation groove 14, an installation frame 15 slidingly connected to the installation groove 14, and a testing device installed on the base 1 and having two shear measuring heads 13 as output ends, the two shear measuring heads 13 one-to-one corresponding to the two installation frames 15.

[0028] The driving assembly comprises a driving motor 5 installed on a side of the rotating seat 2, the driving motor 5 having an output end penetrating into the sliding groove 4 and coaxially fixedly connected with a threaded rod 6, the two sliding blocks 7 threadedly connected to the threaded rod 6, and the threaded rod 6 having opposite thread pitches at the threadedly connected portions of the two sliding blocks 7.

[0029] The two clamping plates 9 are fixedly connected with protective pads on two sides, and the protective pads are elastic.

[0030] The two clamping plates 9 are fixedly connected with limiting blocks 10 on two sides, the sliding groove 4 is connected with limiting grooves 11 on two sides, the limiting blocks 10 slidingly connected to the limiting grooves 11 on the same side, the two limiting grooves 11 connected with an annular groove 12, and the clamping plate 9 coaxially rotatingly matched with the annular groove 12 through the two limiting blocks 10.

[0031] The sliding groove 4 is provided with an electric telescopic rod 16, the installation frame 15 is fixedly connected with an ear plate on the outside, and the electric telescopic rod 16 is fixedly connected with the ear plate.

[0032] The two clamping plates 9 are fixedly connected with semicircular rods at the ends away from the sliding blocks 7, and the two semicircular rods are combined into an anchor rod 17 after being moved and folded.

[0033] The operation principle of the utility model will be described as follows:

[0034] When the shear strength of the deep-sea rock is tested, the driving motor 5 works on the rock that can be clamped, the output end of the driving motor 5 rotates to drive the threaded rod 6 to rotate, so that the two sliding blocks 7 are close to each other, the two clamping plates 9 are close to each other to form a clamping effect on the rock, the protective pads improve the contact effect of the clamping plates 9 on the rock, the stability of the shear measuring heads 13 on the clamping plates 9 when working on the clamped rock is enhanced, and the accuracy of the test is ensured.

[0035] The electric telescopic rod 16 works to move the shear measuring heads 13 close to the rock, so that the shear strength of the rock is tested by the shear measuring heads 13.

[0036] For the rock with the gap, the driving motor 5 works, the output end reversely rotates, the two sliding blocks 7 can be driven to move away from each other through the threaded rod 6, the two clamping plates 9 in the folded state move away from each other, when the clamping plates 9 move to the annular groove 12, the rotating motor 8 works, the output end drives the clamping plates 9 to rotate 170°, the working end of the shear measuring head 13 on the clamping plate 9 is conveniently rotated to the outside, the rock shear strength in the gap is conveniently detected, after the clamping plates 9 rotate, the threaded rod 6 continues to rotate, the two clamping plates 9 continue to move away from each other and finally abut against the gap of the rock, the expansion and pressing fixing effect of the rock is completed, the stability of the shear measuring head 13 on the clamping plate 9 when working in the rock with the gap is enhanced, and the accuracy of the test is ensured;

[0037] For the rock with the gap, the driving motor 5 works, the output end reversely rotates, the two sliding blocks 7 can be driven to move away from each other through the threaded rod 6, the two clamping plates 9 in the folded state move away from each other, when the clamping plates 9 move to the annular groove 12, the rotating motor 8 works, the output end drives the clamping plates 9 to rotate 170°, the working end of the shear measuring head 13 on the clamping plate 9 is conveniently rotated to the outside, the rock shear strength in the gap is conveniently detected, after the clamping plates 9 rotate, the threaded rod 6 continues to rotate, the two clamping plates 9 continue to move away from each other and finally abut against the gap of the rock, the expansion and pressing fixing effect of the rock is completed, the stability of the shear measuring head 13 on the clamping plate 9 when working in the rock with the gap is enhanced, and the accuracy of the test is ensured;

[0038] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A device for in-situ shear strength testing of deep-sea rock, characterized by, Include: Base (1), the base (1) is rotatably connected with a rotating seat (2), the base (1) is provided with a rotating motor (3), and the output end of the rotating motor (3) is coaxially fixedly connected with the rotating seat (2); Test mechanism, the test mechanism includes a drive assembly, a sliding groove (4) is formed in the rotating seat (2), the drive assembly is connected to the rotating seat (2), and the output end penetrates into the sliding groove (4) and is connected with two sliding blocks (7), both the sliding blocks (7) are slidably connected in the sliding groove (4), and both the sliding blocks (7) are provided with a rotating motor (8), the output end of the rotating motor (8) penetrates the sliding block (7) and is coaxially fixedly connected with a clamping plate (9), the clamping plate (9) is provided with an installation groove (14), the installation groove (14) is slidably connected with an installation frame (15), the base (1) is provided with a test device, and the output end of the test device is two shear probes (13); two shear probes (13) are correspondingly installed in two installation frames (15).

2. The apparatus according to claim 1, wherein Wherein: The drive assembly includes a drive motor (5), the drive motor (5) is installed on the side of the rotating seat (2), the output end of the drive motor (5) penetrates into the sliding groove (4), and the output end is coaxially fixedly connected with a threaded rod (6), both the sliding blocks (7) are threadedly connected with the threaded rod (6), and the pitch of the threaded connection part of the threaded rod (6) and the two sliding blocks (7) is opposite to the spiral direction.

3. The apparatus according to claim 1, wherein Wherein: Both sides of the two clamping plates (9) are fixedly connected with protective pads, and the protective pads have elasticity.

4. The apparatus of claim 1, wherein, Wherein: Both sides of the clamping plate (9) are fixedly connected with a limiting block (10), both sides of the sliding groove (4) are communicated with a limiting groove (11), the limiting block (10) is slidably connected in the limiting groove (11) on the same side, and the two limiting grooves (11) are communicated with an annular groove (12), the clamping plate (9) is coaxially rotatably connected with the annular groove (12) through the two limiting blocks (10).

5. The apparatus according to claim 1, wherein Wherein: The sliding groove (4) is provided with an electric telescopic rod (16), the installation frame (15) is fixedly connected with an ear plate, and the output end of the electric telescopic rod (16) is fixedly connected with the ear plate.

6. The apparatus of claim 1, wherein, Wherein: Both ends of the two clamping plates (9) away from the sliding blocks (7) are fixedly connected with semicircular rods, and the two semicircular rods are combined into an anchor rod (17) after moving together.

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