CN219417083U - Cross plate shearing device - Google Patents

Abstract

The utility model relates to the technical field of concrete strength testing, in particular to a cross plate shearing device which comprises a cross plate shearing mechanism, a telescopic driving mechanism and a positioning and adjusting mechanism. The rotating shaft of the cross plate shearing mechanism is connected with cross plate blades; the telescopic driving mechanism is in sliding connection with the cross plate shearing mechanism so as to drive the cross plate shearing mechanism to move along the direction perpendicular to the side surface to be formed; the positioning adjusting mechanism comprises a horizontal adjusting mechanism and a vertical adjusting mechanism; one end of the horizontal adjusting mechanism is provided with a telescopic driving mechanism, and the other end of the horizontal adjusting mechanism is in sliding connection with the vertical adjusting mechanism; the horizontal adjusting mechanism can drive the telescopic driving mechanism to move along the axial direction of the horizontal adjusting mechanism; the vertical adjusting mechanism can drive the horizontal adjusting mechanism to move along the axial direction of the vertical adjusting mechanism. The measuring efficiency and the measuring precision of the cross plate shearing device are high; the adjusting range is large, and the adaptability of the multi-point-position to-be-measured mark point is stronger.

Description

Cross plate shearing device

Technical Field

The utility model relates to the technical field of primary spraying concrete strength test, in particular to a cross plate shearing device.

Background

The cross plate shearing test is a test for measuring the shearing strength of soft cohesive soil by using a cross plate blade, wherein the cross plate blade is used as a drill bit, is pressed into soft soil at the bottom of a hole in a drilling mode, rotates at a uniform speed, measures the moment required by the rotation of the cross plate blade until the soil body is destroyed by a set measuring system, thereby calculating the shearing strength of the soil, and the shearing strength measured by the cross plate shearing test represents the natural strength of the soil.

At present, there are various devices at home and abroad in the measuring instrument of the soil shear strength, and the measuring instrument is totally divided into two types of mechanical type and electrical type: the mechanical type is manually operated, manual reading is performed, the shaking speed is unstable, the reading error is large, the cross plate is hard to penetrate into the rock soil, the original stress state of the rock soil is easy to influence, and the measuring error is caused; the electric measuring type sensor is arranged at the head of the cross plate blade, the cable is arranged in the drill rod of the cross plate blade, the electric measuring type sensor is electrically connected with external equipment through the cable, and when the rock stratum test depth is deeper, the cable is required to be frequently led into the drill rod, so that the operation is complex, and time and labor are wasted.

Disclosure of Invention

First, the technical problem to be solved

In view of the above-mentioned drawbacks and shortcomings of the prior art, the present utility model provides a cross plate shearing device, which solves the technical problem of low detection efficiency of the existing primary spraying concrete detection device.

(II) technical scheme

In order to achieve the above object, a cross plate shearing apparatus of the present utility model includes:

the rotating shaft of the cross plate shearing mechanism is connected with cross plate blades;

the telescopic driving mechanism is in sliding connection with the cross plate shearing mechanism so as to drive the cross plate shearing mechanism to move along the direction perpendicular to the side surface to be formed;

the positioning adjusting mechanism comprises a horizontal adjusting mechanism and a vertical adjusting mechanism; one end of the horizontal adjusting mechanism is provided with the telescopic driving mechanism, and the other end of the horizontal adjusting mechanism is connected with the vertical adjusting mechanism in a sliding manner;

the horizontal adjusting mechanism can drive the telescopic driving mechanism to move along the axis direction of the horizontal adjusting mechanism; the vertical adjusting mechanism can drive the horizontal adjusting mechanism to move along the axis direction of the vertical adjusting mechanism.

Optionally, the cross plate shearing mechanism comprises a pressure sensor, a mounting seat, a torque sensor and a blade driver;

the mounting seat is arranged on the telescopic driving mechanism; the blade driver is arranged on the mounting seat;

the rotating shaft of the blade driver is connected with the cross plate blade;

the pressure sensor is sleeved on the rotating shaft of the blade driver;

the torque sensor is arranged on the mounting seat and is connected with the rotating shaft key of the blade driver.

Optionally, the cross plate shearing mechanism further comprises a connecting shaft, an adapter and a thrust bearing;

one end of the connecting shaft is fixedly connected with the cross plate blade, and the other end of the connecting shaft is detachably connected with the adapter;

the other end of the adapter is in sliding connection with the rotating shaft of the blade driver through a key slot;

the thrust bearing is sleeved on the rotating shaft of the blade driver and is arranged between the adapter and the pressure sensor.

Optionally, the cross plate shearing mechanism further comprises a connecting shaft, an adapter, an elastic coupling and a thrust bearing;

one end of the connecting shaft is fixedly connected with the cross plate blade, and the other end of the connecting shaft is detachably connected with the adapter;

the other end of the adapter is connected with the rotating shaft of the blade driver;

the thrust bearing is sleeved on the rotating shaft of the blade driver and is arranged between the adapter and the pressure sensor;

an elastic coupling is arranged on the rotating shaft of the blade driver, so that the cross plate blade can move along the axial direction of the rotating shaft of the blade driver.

Optionally, the cross plate shearing mechanism further comprises a bearing seat and a speed reducer which are arranged on the mounting seat;

the rotating shaft of the blade driver passes through the bearing seat;

one end of the speed reducer is connected with the rotating shaft of the blade driver, and the other end of the speed reducer is connected with the rotating shaft of the cross plate blade.

Optionally, the telescopic driving mechanism comprises a telescopic driver, a sliding plate and a base plate;

the base plate is arranged on the horizontal adjusting mechanism;

the sliding plate is in sliding connection with the base plate, and the cross plate shearing mechanism is arranged on the sliding plate;

the telescopic driver is arranged on the base plate and connected with the sliding plate so as to drive the sliding plate to move along the direction vertical to the side surface to be formed.

Optionally, the telescopic driving mechanism further comprises a displacement sensor;

the displacement sensor is arranged on the substrate.

Optionally, the horizontal adjusting mechanism comprises a first adjusting rod, a sliding bracket and a first hand wheel; one end of the first adjusting rod is connected with the telescopic driving mechanism, and the other end of the first adjusting rod is connected with the first hand wheel; the sliding support is sleeved on the first adjusting rod;

the vertical adjusting mechanism comprises a second adjusting rod, a supporting platform and a second hand wheel; one end of the second adjusting rod is connected with the supporting platform, and the other end of the second adjusting rod is connected with a second hand wheel; the sliding support is sleeved on the second adjusting rod.

Optionally, ball screws are arranged in the first adjusting rod and the second adjusting rod.

Optionally, a plurality of universal wheels are arranged at the bottom end of the supporting platform.

(III) beneficial effects

The beneficial effects of the utility model are as follows: the telescopic driving mechanism is in sliding connection with the cross plate shearing mechanism, and can drive the cross plate shearing mechanism to move along the direction perpendicular to the side surface to be drilled of the rock stratum, so that the cross plate shearing mechanism can carry out drilling test. The drilling measurement mode of traditional manual hand-operated rotating rod is replaced, the error influence caused by manual operation is reduced, and the measurement efficiency and the measurement accuracy are higher.

The horizontal adjusting mechanism can drive the telescopic driving mechanism to move along the axial direction of the horizontal adjusting mechanism, and the vertical adjusting mechanism can drive the horizontal adjusting mechanism to move along the axial direction of the vertical adjusting mechanism. Through the cooperation regulation of horizontal adjustment mechanism and vertical adjustment mechanism, the cross plate shearing mechanism can be in parallel to the plane of the rock stratum to wait for the side and remove, makes the cross plate blade aim at the mark point that awaits measuring at last. The cross plate shearing device has the advantages of large adjusting range, simplicity in operation and stronger adaptability to the measurement of the multi-point-position to-be-measured mark points.

Drawings

FIG. 1 is a schematic view of a cross plate shearing apparatus according to the present utility model;

FIG. 2 is a schematic view of a cross plate shearing mechanism according to the present utility model;

FIG. 3 is a schematic view of a telescopic driving mechanism according to the present utility model;

fig. 4 is a schematic structural view of the positioning adjusting mechanism of the present utility model.

[ reference numerals description ]

A: a cross plate shearing mechanism; a1: a housing; a2: a display screen; b: a telescopic driving mechanism; x: a positioning adjusting mechanism;

1: cross plate blades; 2: an adapter; 3: a pressure sensor; 4: a bearing seat; 5: a torque sensor; 6: an elastic coupling; 7: a mounting base; 8: a speed reducer; 9: a blade driver; 10: a mounting base; 11: a slide plate; 12: the second hand wheel; 13: a displacement sensor; 14: a sliding support; 15: a first hand wheel; 16: a first adjusting lever; 17: a support platform; 18: a universal wheel; 19: a second adjusting lever; 20: a support; 21: a substrate; 22: a telescopic drive; 23: a thrust bearing; 24: and a connecting shaft.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; "coupled" may be mechanical or electrical; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1, the utility model provides a cross plate shearing device, which comprises a cross plate shearing mechanism A, a telescopic driving mechanism B and a positioning and adjusting mechanism X. The rotating shaft of the cross plate shearing mechanism A is connected with a cross plate blade 1; the telescopic driving mechanism B is in sliding connection with the cross plate shearing mechanism A so as to drive the cross plate shearing mechanism A to move along the direction perpendicular to the side surface to be formed; the positioning adjusting mechanism X comprises a horizontal adjusting mechanism and a vertical adjusting mechanism; one end of the horizontal adjusting mechanism is provided with a telescopic driving mechanism B, and the other end of the horizontal adjusting mechanism is connected with the vertical adjusting mechanism in a sliding way; the horizontal adjusting mechanism can drive the telescopic driving mechanism B to move along the axial direction of the horizontal adjusting mechanism; the vertical adjusting mechanism can drive the horizontal adjusting mechanism to move along the axial direction of the vertical adjusting mechanism.

The telescopic driving mechanism B is in sliding connection with the cross plate shearing mechanism A, and can drive the cross plate shearing mechanism A to move along the direction perpendicular to the side surface to be drilled of the rock stratum, so that the cross plate shearing mechanism A performs drilling test. The drilling measurement mode of traditional manual hand-operated rotating rod is replaced, the error influence caused by manual operation is reduced, and the measurement efficiency and the measurement accuracy are higher.

The horizontal adjusting mechanism can drive the telescopic driving mechanism B to move along the axial direction of the horizontal adjusting mechanism, and the vertical adjusting mechanism can drive the horizontal adjusting mechanism to move along the axial direction of the vertical adjusting mechanism. Through the cooperation adjustment of horizontal adjustment mechanism and vertical adjustment mechanism, cross board shearing mechanism A can be in the plane that is parallel to the rock stratum and wait the side and remove, makes cross board blade 1 aim at the mark point that awaits measuring finally. The cross plate shearing device has the advantages of large adjusting range, simplicity in operation and stronger adaptability to the measurement of the multi-point-position to-be-measured mark points.

The cross plate blade 1 of the utility model takes the axis as the central line, four blades are uniformly arranged around the axis, and the blades are in a cuboid shape. The cross plate blade 1 can be regarded as a cylindrical drill bit when rotating, a cylindrical shearing surface is correspondingly formed in the concrete after drilling, the concrete layer can prevent the cross plate blade 1 from rotating in the drilling process, and then the shear strength of the concrete can be measured through parameters measured by related sensors and parameters such as the size of the cross plate blade 1, and the compressive strength of the concrete is represented by the shear strength (shear strength), so that important parameter basis and theoretical support are provided for tunnel construction engineering optimization design and efficient safety construction. Of course, the shape of the cross plate blades 1, the included angles of adjacent blades and the number of the blades can be set according to actual detection requirements.

As shown in fig. 2, the cross plate shearing mechanism a includes a pressure sensor 3, a mount 7, a torque sensor 5, and a blade driver 9; the mounting seat 7 is mounted on the telescopic driving mechanism B; the blade driver 9 is arranged on the mounting seat 7; the rotating shaft of the blade driver 9 is connected with the cross plate blade 1; the pressure sensor 3 is sleeved on the rotating shaft of the blade driver 9; the torque sensor 5 is provided on the mount 7 and is keyed to the rotational shaft of the blade driver 9. The pressure sensor 3 is a hollow force transducer, and is used for measuring the penetration resistance of the rock stratum to the cross plate blade 1 in the drilling process, wherein the penetration resistance is the reverse thrust along the axial direction of the cross plate blade 1. The torque sensor 5 is a torque and rotation speed composite sensor, and can be independently detected by a torque sensor and a rotation speed sensor, and the torque sensor 5 is used for measuring the shearing torque and the rotation speed of the cross plate blade 1. The torque sensor 5 may be a non-contact torque sensor, in which an input shaft and an output shaft are connected by a torsion bar, the input shaft has a spline, and the output shaft has a spline. When the torsion bar is twisted by the turning moment, the relative position between the spline on the input shaft and the keyway on the output shaft is changed. The amount of change in the relative displacement of the spline and keyway is equal to the amount of torsion of the torsion bar, so that the strength of the magnetic induction on the spline changes, which is converted into a voltage signal by the coil.

In the embodiment, the cross plate shearing mechanism A is also provided with a speed reducer 8 and a bearing seat 4; the speed reducer 8 is arranged on the telescopic driving mechanism B, and the rotating shafts of the blade drivers 9 and the rotating shafts of the cross plate blades 1 are connected with two ends of the speed reducer 8 in a one-to-one correspondence mode so as to accurately adjust the rotating speed of the blade drivers 9. The bearing seat 4 is arranged on the telescopic driving mechanism B so as to support the rotating shaft of the cross plate blade 1, enhance the stability of drilling and further enhance the measurement accuracy. The pressure sensor 3 may be directly fixed on the rotating shaft of the cross plate blade 1, or may be fixed on the side surface (toward the cross plate blade 1) of the bearing seat 4 or inside, so long as the pressure sensor 3 can measure penetration resistance of the cross plate blade 1.

In addition, as shown in fig. 1, the cross plate shearing mechanism a is further provided with a shell A1 and a display screen A2; the shell A1 is arranged on the horizontal adjusting mechanism, the pressure sensor 3, the mounting seat 7, the torque sensor 5, the blade driver 9, the speed reducer 8 and the bearing seat 4 are all arranged in the shell A1, the shell A1 can play roles of dust prevention, collision prevention and the like, and the internal structure of the cross plate shearing mechanism A can be effectively protected. The display screen A2 is arranged on the shell A1, the display screen A2 can input a measurement instruction and record related measurement parameters, automatic drilling measurement of the cross plate shearing device is realized, and the measurement efficiency is greatly improved.

In one embodiment, referring to fig. 3, the cross plate shearing mechanism a further includes a connecting shaft 24, an adapter 2, and a thrust bearing 23; one end of the connecting shaft 24 is fixedly connected with the cross plate blade 1, and the other end of the connecting shaft is detachably connected with the adapter 2, so that the cross plate blade 1 with different sizes can be conveniently replaced, and the adaptability of the cross plate shearing device to different test requirements is improved; the cross plate blade 1 and the connecting shaft 24 can be welded or integrally formed; the other end of the adapter 2 is in sliding connection with the rotating shaft of the blade driver 9 through a key slot, and the adapter 2 can play a role in connecting two rotating shafts with different diameters; the thrust bearing 23 is sleeved on the rotating shaft of the blade driver 9 and is arranged between the adapter 2 and the pressure sensor 3. Specifically, an inner cavity is formed in the adapter 2, and the rotating shaft of the blade driver 9 can move in the axial direction in the inner cavity; the inner wall of the adapter 2 is provided with a key, the rotating shaft of the blade driver 9 is correspondingly provided with a groove, and the key can move in the groove along the axial direction of the rotating shaft of the blade driver 9. The adapter 2 and the rotating shaft of the blade driver 9 are matched through the key grooves, the key grooves can be matched to transmit torque, the adapter 2 can also move along the axial direction of the rotating shaft of the blade driver 9, and when the cross plate blade 1 is subjected to penetration resistance of rock strata, the adapter 2 can squeeze the thrust bearing 23 and the pressure sensor 3, so that the size of the penetration resistance is measured. In addition, thrust bearing 23 can bear radial and axial multidirectional effort, extrudes pressure sensor 3 through thrust bearing 23, and pressure sensor 3 and thrust bearing 23's contact surface is bigger, and pressure sensor 3's atress is more even, and measurement accuracy is higher, and can avoid pressure sensor 3 to damage because of stress concentration's problem, has prolonged pressure sensor 3's life.

In another embodiment, the cross plate shearing mechanism a further comprises a connecting shaft 24, an adapter 2, an elastic coupling 6 and a thrust bearing 23; one end of the connecting shaft 24 is fixedly connected with the cross plate blade 1, and the other end is detachably connected with the adapter 2; the other end of the adapter 2 is connected with a rotating shaft of the blade driver 9; the thrust bearing 23 is sleeved on the rotating shaft of the blade driver 9 and is arranged between the adapter 2 and the pressure sensor 3; an elastic coupling 6 is provided on the rotation shaft of the blade driver 9 so that the cross plate blade 1 can move in the axial direction of the rotation shaft of the blade driver 9. In contrast to the previous embodiment, the rotation shafts of the adapter 2 and the blade driver 9 are not slidably connected through the key grooves but fixedly connected, such as by bolts. But be provided with the elastic coupling 6 that can carry out axial displacement, the plum blossom shaft coupling is selected for use to elastic coupling 6 in this embodiment, and the plum blossom shaft coupling includes plum blossom elastomer and two metal claw dish, and the plum blossom elastomer sets up between two metal claw dish. When in use, the elastic coupling 6 comprises a first limit state and a second limit state, wherein the first limit state is a state when drilling test is not performed, at the moment, the elastic coupling 6 is not in abutting (or partial abutting) with the plum blossom elastic body due to the elastic force of the spring, and further, due to the consideration of stability of transmission, the metal claw discs at the two sides are in contact, namely, the overlapped part is arranged in the axial direction, and in the state, the blade driver 9 can still drive the cross plate blade 1 to rotate; the second limit state is the state when drilling test is performed, at the moment, the spring of the elastic coupler 6 is pressed, and the metal claw discs at two sides are completely abutted with the plum blossom elastic body. By providing the elastic coupling 6, a movement of the shaft of the blade driver 9 in the axial direction can be achieved, and the pressure sensor 3 is pressed to measure the penetration resistance.

Specifically, the pressure sensor 3 may be fixedly sleeved on the rotating shaft of the blade driver 9 and located at one side of the bearing seat 4, and when drilling test is performed, the cross plate blade 1 is pressed, and then the pressure sensor 3 can be abutted with the side surface of the bearing seat 4, so that penetration resistance is measured. The pressure sensor 3 can also be arranged in the bearing seat 4, a chute is correspondingly arranged in the bearing seat 4, the pressure sensor 3 is sleeved on the rotating shaft of the blade driver 9 and can slide in the chute, the limiting size of the chute is correspondingly arranged based on the position requirement of the pressure sensor 3 when the elastic coupling 6 is positioned in the first limiting state and the second limiting state, and finally the measurement of the penetration resistance of the pressure sensor 3 can be realized.

Referring to fig. 4, the telescopic driving mechanism B includes a telescopic driver 22, a slide plate 11, and a base plate 21; the base plate 21 is mounted on the horizontal adjusting mechanism; the sliding plate 11 is in sliding connection with the base plate 21, and the cross plate shearing mechanism A is arranged on the sliding plate 11; a telescopic drive 22 is mounted on the base plate 21 and is connected to the slide 11 to drive the slide 11 to move in a direction perpendicular to the to-be-lateral surface of the rock formation. In order to further enhance the stability of connection, in this embodiment, a support bracket 20 is disposed on the bottom surface of the base plate 21, and the support bracket 20 is slidably connected with the horizontal adjustment mechanism; the sliding plate 11 is connected with the mounting seat 7 through the mounting base 10. Specifically, the telescopic drive 22 and the blade drive 9 are preferably servo motors, ensuring the precision of the adjustment of the cross plate blade 1. The sliding plate 11 can be driven to axially move along the rotating shaft of the blade driver 9 through the telescopic driver 22, and the moving distance of the sliding plate 11 is controlled through the displacement sensor 13 or the grating, so that the cross plate blade 1 can carry out drilling measurement.

Preferably, the sliding plate 11 and the base plate 21 can be ball screw linear modules, and the ball screw linear modules comprise screw rods, balls and connecting blocks; the screw rod is in threaded connection with the connecting block, the connecting block can be regarded as a screw cap, one side of the connecting block is abutted against the base plate 21, and the other side of the connecting block is connected with the mounting base 10; the connecting block is internally provided with a plurality of balls, and the balls are positioned at the connecting thread of the screw rod and the connecting block. The linear module of ball screw has very little frictional resistance when driving, has characteristics such as high accuracy, reversibility and high efficiency simultaneously, can further guarantee cross plate shearing mechanism's regulation precision.

Further, the horizontal adjusting mechanism comprises a first adjusting rod 16, a sliding bracket 14 and a first hand wheel 15; one end of the first adjusting rod 16 is connected with the telescopic driving mechanism B, and the other end of the first adjusting rod is connected with the first hand wheel 15; the first adjusting rod 16 is sleeved with a sliding bracket 14; the vertical adjusting mechanism comprises a second adjusting rod 19, a supporting platform 17 and a second hand wheel 12; one end of the second adjusting rod 19 is connected with the supporting platform 17, and the other end is connected with the second hand wheel 12; the second adjusting rod 19 is sleeved with a sliding bracket 14. In this embodiment, the horizontal adjustment mechanism and the vertical adjustment mechanism are also ball screw linear modules, and the vertical adjustment mechanism is taken as an example for explanation. An adjusting screw rod and an adjusting connecting block are arranged in the second adjusting rod 19, one end of the adjusting screw rod is fixedly connected with the second hand wheel 12, and the other end of the adjusting screw rod is rotatably connected with the supporting platform 17 through a bearing; the thread connection part is provided with a plurality of balls; the second adjusting rod 19 is provided with a limiting groove along the vertical direction, the adjusting connecting block is correspondingly provided with a raised clamping block, and the clamping block can do lifting motion along the vertical direction in the limiting groove, so that the rotation of the adjusting connecting block can be limited, and the sliding bracket 14 can do lifting motion along the vertical direction. Further, the clamping blocks are connected with the sliding support 14, so that the sliding support 14 can be driven to do lifting motion in the vertical direction, and the lifting height of the cross plate shearing mechanism A is adjusted.

Secondly, a plurality of universal wheels 18 can be uniformly arranged at the bottom end of the supporting platform 17, and the universal wheels 18 have a pedal self-locking function so as to facilitate the movement and locking of the cross plate shearing device. For the uneven ground or the condition that the measurement requirement exceeds the adjustment range of the cross plate shearing device, the cross plate shearing mechanism A can be detachably connected with the horizontal adjustment mechanism, and the cross plate shearing mechanism A can be detached for manual measurement, so that the measurement flexibility of the cross plate shearing device is improved. In addition, the specific shape of the supporting platform 17 of the present utility model can be set according to actual requirements, the present utility model is not limited to measuring vertical concrete surfaces, such as tunnel roof and floor, etc., and the specific structure of the supporting platform 17 can be set correspondingly.

In addition, the utility model also provides a detection method of the cross plate shearing device, which is implemented based on the cross plate shearing device, and comprises the following steps:

s1, moving a cross plate shearing device to a testing position of concrete, enabling a cross plate blade 1 to be approximately aligned with a mark point to be tested of the concrete, and fixing the cross plate shearing device; the embodiment is fixed by a universal wheel 18;

s2, rotating a first hand wheel 15 to adjust the horizontal position of the cross plate blade 1, and rotating a second hand wheel 12 to adjust the vertical position of the cross plate blade 1, so that the center of the cross plate blade 1 is aligned with a mark point to be detected of concrete;

s3, operating the display screen A2 to perform zero setting operation, so that the accuracy of data is ensured; after setting the shearing parameters of the cross plate shearing mechanism A, starting the cross plate shearing mechanism A and the telescopic driving mechanism B to conduct shearing test on the to-be-tested mark point of the concrete; controlling the consistency of each detection condition, and performing shearing test on a plurality of mark points to be detected; a model graph of the shear torque of the cross-plate blade 1 versus the shear strength of the concrete is automatically generated on the display screen A2. The cross plate shearing device can be moved when the instruction is manually input, the positioning accuracy of the cross plate blade 1 is affected, remote control equipment can be additionally arranged for remote control, and the error influence caused by manual work is reduced.

The cross plate shearing device provides a new technology and equipment for detecting the early strength of concrete, and is a new development of cross plate geotechnical instruments. The position of the cross plate blade 1 is adjusted through the positioning and adjusting mechanism X, so that the cross plate blade 1 is aligned with a mark point to be measured; the cross plate shearing mechanism A enables the cross plate blade 1 to rotate around the axis of the cross plate blade, and the cross plate blade 1 is driven to drill through the telescopic driving mechanism B, so that the high-efficiency measurement of the shear strength of early concrete is realized. Secondly, each sensor is arranged in the shell A1, and the synchronous drilling along with the cross plate blade 1 is not needed like the prior art, so that the cable arrangement is convenient, each sensor can be effectively protected, and the service life is prolonged.

It should be understood that the above description of the specific embodiments of the present utility model is only for illustrating the technical route and features of the present utility model, and is for enabling those skilled in the art to understand the present utility model and implement it accordingly, but the present utility model is not limited to the above-described specific embodiments. All changes or modifications that come within the scope of the appended claims are intended to be embraced therein.

Claims (10)

1. A cross plate shearing device, characterized in that the cross plate shearing device comprises:

the cross plate shearing mechanism (A) is connected with a cross plate blade (1) through a rotating shaft of the cross plate shearing mechanism (A);

the telescopic driving mechanism (B) is in sliding connection with the cross plate shearing mechanism (A) so as to drive the cross plate shearing mechanism (A) to move along the direction perpendicular to the side surface to be formed;

a positioning adjustment mechanism (X), the positioning adjustment mechanism (X) comprising a horizontal adjustment mechanism and a vertical adjustment mechanism; one end of the horizontal adjusting mechanism is provided with the telescopic driving mechanism (B), and the other end of the horizontal adjusting mechanism is in sliding connection with the vertical adjusting mechanism;

wherein the horizontal adjusting mechanism can drive the telescopic driving mechanism (B) to move along the axial direction of the horizontal adjusting mechanism; the vertical adjusting mechanism can drive the horizontal adjusting mechanism to move along the axis direction of the vertical adjusting mechanism.

2. The cross plate shearing apparatus as recited in claim 1, wherein,

the cross plate shearing mechanism (A) comprises a pressure sensor (3), a mounting seat (7), a torque sensor (5) and a blade driver (9);

the mounting seat (7) is mounted on the telescopic driving mechanism (B); the blade driver (9) is arranged on the mounting seat (7);

the rotating shaft of the blade driver (9) is connected with the cross plate blade (1);

the pressure sensor (3) is sleeved on the rotating shaft of the blade driver (9);

the torque sensor (5) is arranged on the mounting seat (7) and is connected with a rotating shaft key of the blade driver (9).

3. The cross plate shearing apparatus as recited in claim 2, wherein,

the cross plate shearing mechanism (A) further comprises a connecting shaft (24), an adapter (2) and a thrust bearing (23);

one end of the connecting shaft (24) is fixedly connected with the cross plate blade (1), and the other end of the connecting shaft is detachably connected with the adapter (2);

the other end of the adapter (2) is in sliding connection with the rotating shaft of the blade driver (9) through a key slot;

the thrust bearing (23) is sleeved on the rotating shaft of the blade driver (9) and is arranged between the adapter (2) and the pressure sensor (3).

4. The cross plate shearing apparatus as recited in claim 2, wherein,

the cross plate shearing mechanism (A) further comprises a connecting shaft (24), an adapter (2), an elastic coupler (6) and a thrust bearing (23);

one end of the connecting shaft (24) is fixedly connected with the cross plate blade (1), and the other end of the connecting shaft is detachably connected with the adapter (2);

the other end of the adapter (2) is connected with a rotating shaft of the blade driver (9);

the thrust bearing (23) is sleeved on the rotating shaft of the blade driver (9) and is arranged between the adapter (2) and the pressure sensor (3);

an elastic coupling (6) is arranged on the rotating shaft of the blade driver (9) so that the cross plate blade (1) can move along the axial direction of the rotating shaft of the blade driver (9).

5. The cross plate shearing apparatus as recited in claim 2, wherein,

the cross plate shearing mechanism (A) further comprises a bearing seat (4) and a speed reducer (8) which are arranged on the mounting seat (7);

the rotating shaft of the blade driver (9) passes through the bearing seat (4);

one end of the speed reducer (8) is connected with the rotating shaft of the blade driver (9), and the other end of the speed reducer is connected with the rotating shaft of the cross plate blade (1).

6. The cross plate shearing apparatus as recited in any of claims 1-5, wherein,

the telescopic driving mechanism (B) comprises a telescopic driver (22), a sliding plate (11) and a base plate (21);

the base plate (21) is mounted on the horizontal adjusting mechanism;

the sliding plate (11) is in sliding connection with the base plate (21), and the cross plate shearing mechanism (A) is arranged on the sliding plate (11);

the telescopic driver (22) is arranged on the base plate (21) and connected with the sliding plate (11) to drive the sliding plate (11) to move along the direction vertical to the side surface to be formed.

7. The cross plate shearing apparatus as recited in claim 6, wherein,

the telescopic driving mechanism (B) further comprises a displacement sensor (13);

the displacement sensor (13) is provided on the substrate (21).

8. The cross plate shearing apparatus as recited in any of claims 1-5, wherein,

the horizontal adjusting mechanism comprises a first adjusting rod (16), a sliding bracket (14) and a first hand wheel (15); one end of the first adjusting rod (16) is connected with the telescopic driving mechanism (B), and the other end of the first adjusting rod is connected with the first hand wheel (15); the sliding support (14) is sleeved on the first adjusting rod (16);

the vertical adjusting mechanism comprises a second adjusting rod (19), a supporting platform (17) and a second hand wheel (12); one end of the second adjusting rod (19) is connected with the supporting platform (17), and the other end of the second adjusting rod is connected with the second hand wheel (12); the sliding support (14) is sleeved on the second adjusting rod (19).

9. The cross plate shearing apparatus as recited in claim 8, wherein,

ball screws are arranged in the first adjusting rod (16) and the second adjusting rod (19).

10. The cross plate shearing apparatus as recited in claim 8, wherein,

the bottom end of the supporting platform (17) is provided with a plurality of universal wheels (18).