CN214334553U

CN214334553U - In-situ-indoor dual-purpose large-scale hair clipper

Info

Publication number: CN214334553U
Application number: CN202023254758.8U
Authority: CN
Inventors: 郑文棠; 丁金伟; 王凯泓; 余志刚
Original assignee: Guangzhou Daozhang Engineering Technology Co ltd
Current assignee: Guangzhou Daozhang Engineering Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-01
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to an in-situ-indoor dual-purpose large-scale clipper instrument. Comprises a mounting plate, an upper box, a lower box, a horizontal hair-clipper system, a normal pressurizing system and a pressure sensing mechanism; the upper box is horizontally connected with the mounting plate in a rolling manner; the lower box is detachably and fixedly connected with the mounting plate; the upper box and the lower box are communicated with each other through the through hole; the horizontal hair-clipper system is connected with the mounting plate and is positioned in the direction of the horizontal movement of the upper box; the normal pressurizing system is connected with the mounting plate and is positioned right above the upper box; the pressure sensing mechanism is connected with the upper box and is positioned at one side of the horizontal hair-clipper system; when the horizontal hair-clipper system moves, the pushing screw rod of the horizontal hair-clipper system makes horizontal pushing movement and acts on the pressure sensing mechanism, so that the upper box is pushed to move horizontally along the shearing direction. The utility model provides a clipper instrument when satisfying large-scale clipper experiment, has effectively reduced the size and the weight of each structure to can satisfy the experiment demand of two kinds of scenes of normal position, dystopy.

Description

In-situ-indoor dual-purpose large-scale hair clipper

Technical Field

The utility model belongs to the technical field of the civil engineering is surveyed, more specifically relates to an in situ-indoor dual-purpose large-scale clipper appearance.

Background

The existing in-situ or ex-situ measurement technology aims at brittle soil samples, few and few push-shears equipment are used in the aspect of non-brittle soil samples, and in the mainstream of the existing push-shear mechanism, a small instrument (the weight of the instrument is less than 1 ton) adopts a hydraulic oil cylinder for push-shearing; a large instrument (the weight of the instrument is more than 2 tons) adopts two groups of electric servo screw rods to transmit to a transverse bridge for continuous push-shearing, the motion form of the push-shearing is not suitable for non-brittle soil bodies, and the motion mechanism of the transverse bridge cannot meet the mechanical strength under the same weight; the box pushing and shearing mechanism pushes the upper box, and under experimental conditions, the soil body of the upper box needs to load normal pressure of at least 400Kpa, which means that the structural strength requirement on the upper box is very high, the existing equipment box pushing and shearing device generally adopts an integrated structure design, so that the weight of the upper box can reach more than 50 KG; because the small instrument does not meet the movement form of the clipper, the non-brittle soil body can not be subjected to the in-situ experiment and can only be taken back to a room for the ex-situ experiment, even if the in-situ experiment is carried out, the weight of the detachable unit element exceeds the weight which can be born by manual transportation under all terrains due to the instrument strength; due to the fact that the large-scale instrument is complex in installation and heavy in weight, in-situ experiments cannot be conducted even if the conditions of the push-shear experiments of non-brittle soil bodies are met.

Chinese patent CN209513466U, published as 2019.10.18, discloses a directional low-friction self-balancing large indoor direct shear apparatus, but the apparatus can only be used indoors, and is not convenient for ectopic measurement.

SUMMERY OF THE UTILITY MODEL

The utility model provides an overcome at least one defect among the above-mentioned prior art, provide an original position-indoor dual-purpose large-scale clipper appearance, the shearing experiment that is adaptable to the non-brittle soil sample of original position, dystopy.

In order to solve the technical problem, the utility model discloses a technical scheme is: an in-situ-indoor dual-purpose large-scale clipper comprises a mounting plate, an upper box and a lower box for containing soil samples, a horizontal clipper system, a normal pressurizing system and a pressure sensing mechanism; the upper box is not provided with a bottom cover, the lower box is not provided with a top cover, and the middle part of the mounting plate is provided with a through hole; the upper box is arranged on the top of the mounting plate and is horizontally connected with the mounting plate in a rolling manner; the lower box is arranged at the bottom of the mounting plate and is detachably and fixedly connected with the mounting plate; the upper box and the lower box are communicated with each other through the through hole; the horizontal hair-clipper system is connected with the mounting plate and is positioned in the direction of the horizontal movement of the upper box; the normal pressurizing system is connected with the mounting plate and is positioned right above the upper box; the pressure sensing mechanism is connected with the upper box and is positioned at one side of the horizontal hair clipper system; when the horizontal hair-clipper system moves, the horizontal hair-clipper system does horizontal propelling movement and acts on the pressure sensing mechanism, so that the upper box is pushed to move horizontally along the shearing direction. When an ectopic shearing experiment is carried out, the upper box and the lower box need to be used simultaneously, soil samples are filled in the upper box and the lower box, the soil samples are compacted through a normal pressurization system, and normal pressure is applied at the same time; the horizontal shearing system applies horizontal shearing force to the upper box, the horizontal shearing force directly acts on the pressure sensing mechanism, and pushes the upper box to horizontally move along the direction of the shearing force, so that a soil sample shearing experiment is realized; because the horizontal shearing system is directly acted on the pressure sensing mechanism, the pressure sensing mechanism can more accurately measure the shearing force of the soil sample. When in-situ shearing experiments are carried out, firstly, a convex hull is dug at a soil body needing to be measured, a mounting plate and an upper box are covered on the convex hull, then normal pressure is applied to a soil sample through a normal pressurization system, and in addition, a heavy object of about 16 tons needs to be ballasted to offset the reaction force of an oil cylinder; then, horizontal clipper motion is carried out through the horizontal clipper system, and the principle is the same as that in the ectopic experiment.

In one embodiment, the horizontal hair clipper system comprises a connecting frame, a driving mechanism and a propelling screw rod; the connecting frame is detachably connected with the mounting plate, the driving mechanism is mounted on the connecting frame, the propelling screw rod is connected with the driving mechanism, and the driving mechanism can drive the propelling screw rod to move back and forth in the horizontal direction. By replacing the power source of the pushing and shearing force, the continuous movement of the pushing and shearing force is realized, so that the design of the sample system is more in line with the property of a non-brittle soil body.

In one embodiment, the driving mechanism comprises a driving motor, a worm gear speed reducer and a screw rod lifter; the output end of the driving motor is connected with the input end of a worm and gear speed reducer, the output end of the worm and gear speed reducer is connected with the input end of a screw rod lifter, and the output end of the screw rod lifter is connected with a propelling screw rod; an axial limiting groove is formed in the length direction of the pushing screw rod, a limiting lug corresponding to the limiting groove is arranged at the output end of the screw rod lifter, and the limiting lug is clamped into the limiting groove and is slidably connected with the limiting groove. The horizontal push-shear system is provided with driving force by a driving motor, the torque is amplified by a worm gear reducer and a screw rod lifter, and finally a pushing screw rod is driven to horizontally push forwards. The torque of a main shaft of the driving motor is subjected to two-stage deceleration and torque amplification, so that the propelling screw rod can have the maximum 5T of shearing force, and sufficient mechanical strength is provided for ensuring constant-speed shearing; the propelling screw rod propels the final top horizontal pressure sensor, the horizontal pressure sensor transmits the motion and force to the upper box through the sensor support to perform the shearing motion, and the horizontal pressure sensor receives the constant-speed motion of the propelling screw rod, so that the effectiveness of pressure data acquisition is facilitated.

In one embodiment, the normal pressurizing system comprises a support rod, a truss and an oil cylinder; the two sides of the upper box are both vertically provided with support rods, the bottoms of the support rods are fixed on the mounting plate, and the truss is transversely erected on the support rods at the two sides and is detachably connected with the support rods; the oil cylinder is vertically arranged on the truss, one end of the oil cylinder is fixedly connected with the bottom of the truss, and the piston end of the oil cylinder faces the top of the upper box; one end of the piston facing the top of the upper box is provided with a pressing plate; an iron rolling row is arranged at the top of the upper box, and when the oil cylinder applies pressure to the upper box, the pressing plate on the piston acts on the iron rolling row. When the device is used, the device is ejected downwards by the oil cylinder and acts on the iron rolling row on the upper box to normally pressurize the soil sample; because the oil cylinder acts on the iron rolling row, when the upper box moves horizontally, the iron rolling row is not connected with the upper box, and the iron rolling row is only in contact with the oil cylinder, so that only contact rolling friction force exists between the oil cylinder and the iron rolling row, and between the iron rolling row and the upper box, the resistance can be effectively reduced, and the influence of the resistance on the experimental measurement result is avoided. Only rolling friction exists between the iron rolling row and the top plate of the upper box, so that the shearing resistance of the soil body is closer to the reading of the horizontal pressure sensor in the shearing direction, and the horizontal shearing movement is ensured while the pressure of the normal pressure system is transmitted to the soil body.

In one embodiment, a first connecting sleeve and a second connecting sleeve are respectively arranged at two ends of the truss, and the first connecting sleeve is sleeved on the supporting rod at one side and is rotatably connected with the supporting rod; positioning nuts for fixing the first connecting sleeve are arranged at two ends of the first connecting sleeve, and the positioning nuts are sleeved on the supporting rod and are in threaded connection with the supporting rod; the second connecting sleeve is sleeved on the supporting rod on the other side, positioning nuts used for fixing the second connecting sleeve are also arranged at two ends of the second connecting sleeve, and the positioning nuts are sleeved on the supporting rod and are in threaded connection with the supporting rod. The two ends of the truss are respectively sleeved on the supporting rod through the first connecting sleeve and the second connecting sleeve, the mounting positions of the first connecting sleeve and the second connecting sleeve can be adjusted, so that the distance between the oil cylinder and the upper box is changed, the upper cross frame is fixed through the positioning nut so as to provide a freedom degree capable of moving up and down when the upper cross frame does not bear pressure, the upper cross frame and the lower cross frame can be used for replacing the ejection movement of the hydraulic oil cylinder, and the size and the weight of the hydraulic oil cylinder can be effectively reduced. The utility model discloses an on normal direction pressurization system, increase the degree of using certainly that can adjust in the normal direction, can effectively reduce the structural dimension and the weight of normal direction clipper system for each part reaches the demand that can the manpower transported in the full topography.

In one embodiment, the second connecting sleeve comprises a first semicircular block and a second semicircular block, the first semicircular block is fixedly connected with the truss, one end of the first semicircular block is hinged with the second semicircular block, and the other end of the first semicircular block is detachably connected with the other end of the second semicircular block. Through opening first semicircle piece and second semicircle piece, second connecting sleeve alright with the bracing piece separation, again because first connecting sleeve is rotated with the bracing piece and is connected, like this, the truss has just had torsional degree of freedom in Z axle direction for the truss can directly unscrew during soil sample loads, gives out the space directly over the box, provides operating space for adorning the appearance fast and loading the box roof fast.

In one embodiment, the pressure sensing mechanism comprises a horizontal pressure sensor and a sensor bracket, the sensor bracket is horizontally arranged, one end of the sensor bracket is connected with the side wall of the upper box facing one side of the horizontal hair clipper system, and the other end of the sensor bracket is connected with the horizontal pressure sensor; when the driving mechanism drives the propelling screw rod to horizontally propel, the propelling screw rod acts on the pressure sensor to push the upper box to horizontally move along the shearing direction.

In one embodiment, the sensor holder is mounted to the lowermost end of the side wall of the upper cassette. The sensor support is arranged at the bottommost end of the side wall, and the bottommost end is closest to the shearing surface, so that the stress point of the pushing and shearing force is closer to the shearing surface, and the upper box cannot generate overturning torque in the pushing and shearing movement.

Through systematic design, to the understanding of experimental principle design, its stress point that pushes away the shear force of relevant same type product in the market hinders in the size design of clipper structure and sensor and the space conflict between the clipper box, and the shear surface is kept away from even not on the shear surface often of its stress point, through the design to the experiment, the utility model discloses a pressure sensor support moves horizontal pressure sensor mounted position to certain department of keeping away from box position on the preceding tangent plane in the front of the last box lateral wall of general product forward for the stress point that will push away the shear force draws close to on the shear surface, makes and goes up the box and can not produce the upset moment of torsion in the clipper motion, thereby has guaranteed the intensity of laboratory glassware, has also reduced the systematic error of experiment simultaneously.

In one embodiment, a linear guide rail is arranged on the top of the mounting plate, rollers matched with the rail are arranged on the upper box, and the upper box is in rolling connection with the guide rail of the mounting plate through the rollers. The upper box and the mounting plate are in rolling connection only through the rollers and the guide rails, so that the upper box is only subjected to rolling friction force caused by the rollers in the shearing motion of the upper box, and meanwhile, the horizontal pressure sensor bracket is connected to the lowest edge of the upper box and is flush with the bottom surface of the upper box, so that the transmission of the shearing force is ensured to be as close to the shearing surface of a soil sample as possible; all of the measures enable the pressure readings of the horizontal pressure sensor to be as close to the shear strength of the soil sample as possible, and system errors of experiments are reduced.

In one embodiment, the upper box and the lower box are assembled by a plurality of supporting plates, and the supporting plates are detachably connected with each other. The upper box and the lower box can be assembled and disassembled, so that the carrying is convenient.

Compared with the prior art, the beneficial effects are:

1. the utility model is more suitable for the shearing real sample of the non-brittle soil sample by the design of the horizontal shearing system; the horizontal pressure sensor is arranged at a position closer to the shearing surface through the sensor support, on one hand, the shearing force measured by the pressure sensor is closer to the shearing strength of the soil sample, and on the other hand, the upper box cannot generate overturning torque in the shearing movement, so that the strength of an experimental instrument is ensured, and the systematic error of the experiment is reduced;

2. the utility model increases the degree of freedom in the normal direction through the design of the normal pressurizing system structure, thereby effectively reducing the structural size and weight of the normal shearing system and enabling each part to meet the requirement of manpower all-terrain transportation; the freedom degree of torsion of the truss in the Z-axis direction is increased, so that the truss can be directly unscrewed during soil sample loading, a space right above the upper box is made, and an operation space is provided for quick sample loading and quick loading of the top plate of the upper box;

3. by the modular design of the upper box and the lower box, the test box is more convenient to transport when in-situ and ex-situ replacement experiments are carried out;

to sum up, the utility model provides a clipper instrument when satisfying large-scale clipper experiment, has effectively reduced the size and the weight of each structure, and overall structure is compacter, the transportation of being convenient for to can satisfy the experiment demand of two kinds of scenes of normal position, dystopy.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic side view of the overall structure of the present invention.

Fig. 3 is a schematic structural view of the horizontal hair clipper system of the present invention.

Fig. 4 is a schematic structural diagram of the normal pressurization system of the present invention.

Fig. 5 is a schematic structural diagram of the upper box and the lower box of the present invention.

Fig. 6 is a schematic view of the connection between the roller and the bracket of the present invention.

Reference numerals: 1. a clipper box; 11. mounting a plate; 111. a guide rail; 12. putting the box on; 121. rolling iron rows; 122. a roller; 123. a support; 124. a first top plate; 125. a second side plate; 13. a box is lowered; 131. a first base plate; 132. a first side plate; 2. a horizontal clipper system; 21. a connecting frame; 22. a drive mechanism; 23. a screw rod is pushed; 221. a drive motor; 222. a worm gear reducer; 223. a screw rod lifter; 231. a limiting groove; 3. a normal pressurization system; 31. a support bar; 32. a truss; 33. an oil cylinder; 321. a first connecting sleeve; 322. a second connecting sleeve; 323. positioning a nut; 3221. a first semicircular block; 3222. a second semicircular block; 331. pressing a plate; 4. a pressure sensing mechanism; 41. a horizontal pressure sensor; 42. a sensor holder.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.

As shown in fig. 1 and 2, a large in-situ-indoor dual-purpose clipper comprises a mounting plate 11, an upper box 12 and a lower box 13 for containing soil samples, a horizontal clipper system 2, a normal pressurizing system 3 and a pressure sensing mechanism 4; the upper box 12 has no bottom cover, the lower box 13 has no top cover, and the middle part of the mounting plate 11 is provided with a through hole; the upper box 12 is arranged on the top of the mounting plate 11 and is horizontally connected with the mounting plate 11 in a rolling manner; the lower box 13 is arranged at the bottom of the mounting plate 11 and is detachably and fixedly connected with the mounting plate 11; the upper box 12 and the lower box 13 are communicated with each other through a through hole; the horizontal hair clipper system 2 is connected with the mounting plate 11 and is positioned in the direction of the horizontal movement of the upper box 12; the normal pressurizing system 3 is connected with the mounting plate 11 and is positioned right above the upper box 12; the pressure sensing mechanism 4 is connected with the upper box 12 and is positioned at one side of the horizontal hair clipper system 2; when the horizontal hair clipper system 2 moves, the pushing screw 23 of the horizontal hair clipper system 2 makes a horizontal pushing movement, which acts on the pressure sensing mechanism 4, thereby pushing the upper box 12 to move horizontally along the cutting direction. When an ectopic shearing experiment is carried out, the upper box 12 and the lower box 13 need to be used at the same time, soil samples are filled in the upper box 12 and the lower box 13, the soil samples are compacted through the normal pressurizing system 3, and normal pressure is applied at the same time; the horizontal shearing system 2 applies horizontal shearing force to the upper box 12, and a pushing screw 23 of the horizontal shearing system 2 directly acts on the pressure sensing mechanism 4 to push the upper box 12 to horizontally move along the direction of the shearing force, so that a soil sample shearing experiment is realized; because the horizontal shearing system 2 directly acts on the pressure sensing mechanism 4, the pressure sensing mechanism 4 can more accurately measure the shearing force of the soil sample. When in-situ shearing experiments are carried out, firstly, a convex hull is dug at a soil body to be measured, the mounting plate 11 and the upper box 12 are covered on the convex hull, then, normal pressure is applied to a soil sample through the normal pressurization system 3, and in addition, a heavy object with the weight of about 16 tons is required to be ballasted so as to offset the reaction force of the oil cylinder 33; then, horizontal clipper motion is carried out through the horizontal clipper system 2, and the principle is the same as that in the ectopic experiment.

In one embodiment, as shown in fig. 1 to 3, the horizontal clipper system 2 includes a link frame 21, a driving mechanism 22, and a feed screw 23; the connecting frame 21 is detachably connected with the mounting plate 11, the driving mechanism 22 is mounted on the connecting frame 21, the propelling screw rod 23 is connected with the driving mechanism 22, and the driving mechanism 22 can drive the propelling screw rod 23 to move back and forth in the horizontal direction. By replacing the power source of the pushing and shearing force, the continuous movement of the pushing and shearing force is realized, so that the design of the sample system is more in line with the property of a non-brittle soil body.

In one embodiment, as shown in fig. 3, the driving mechanism 22 includes a driving motor 221, a worm gear reducer 222, and a lead screw lifter 223; the output end of the driving motor 221 is connected with the input end of a worm and gear speed reducer, the output end of the worm and gear speed reducer is connected with the input end of a screw rod lifter 223, and the output end of the screw rod lifter 223 is connected with a propelling screw rod 23; an axial limiting groove 231 is formed in the length direction of the propelling screw 23, a limiting lug corresponding to the limiting groove 231 is arranged at the output end of the screw rod lifter 223, and the limiting lug is clamped in the limiting groove 231 and is in slidable connection with the limiting groove 231. The horizontal hair-clipper system 2 is provided with a driving force by a driving motor 221, the torque is firstly amplified by a worm gear reducer 222 and then by a screw rod lifter 223, and finally the propelling screw rod 23 is driven to horizontally propel forwards. The torque of the main shaft of the driving motor 221 is subjected to two-stage deceleration and amplification, so that the propelling screw rod 23 can have the maximum 5T of shearing force, and sufficient mechanical strength is provided for ensuring constant-speed shearing; the propelling screw 23 propels the final top horizontal pressure sensor 41, the horizontal pressure sensor 41 transmits the movement and force to the upper box 12 through the sensor bracket 42 for the shearing movement, and the horizontal pressure sensor 41 receives the constant-speed movement of the propelling screw 23, so that the pressure data acquisition effectiveness is facilitated.

In one embodiment, as shown in fig. 1, 2 and 4; the normal pressurizing system 3 comprises a support rod 31, a truss 32 and an oil cylinder 33; the two sides of the upper box 12 are both vertically provided with support rods 31, the bottoms of the support rods 31 are fixed on the mounting plate 11, and the truss 32 is transversely erected on the support rods 31 at the two sides and is detachably connected with the support rods 31; the oil cylinder 33 is vertically arranged on the truss 32, one end of the oil cylinder 33 is fixedly connected with the bottom of the truss 32, and the piston end of the oil cylinder 33 faces the top of the upper box 12; the end of the piston facing the top of the upper case 12 is provided with a pressure plate 331; an iron roller 121 is placed on the top of the upper box 12, and when the oil cylinder 33 applies pressure to the upper box 12, a pressing plate 331 on the piston acts on the iron roller 121. When in use, the oil cylinder 33 pushes out downwards to act on the iron rolling row 121 on the upper box 12 to normally pressurize the soil sample; because the oil cylinder 33 acts on the iron rolling row 121, when the upper box 12 moves horizontally, the iron rolling row 121 is not connected with the upper box 12, and the iron rolling row 121 is not connected with the oil cylinder 33, but only contacted with each other, so that only contact rolling friction force exists between the oil cylinder 33 and the iron rolling row 121, and between the iron rolling row 121 and the upper box 12, the resistance can be effectively reduced, and the resistance is prevented from influencing the result of experimental measurement. Only rolling friction exists between the iron rolling row 121 and the top plate of the upper box 12, so that the shearing resistance of the soil body is closer to the indication of the horizontal pressure sensor 41 in the shearing direction, and the pressure of the normal pressure system is transmitted to the soil body while the horizontal shearing movement is ensured.

In one embodiment, as shown in fig. 4, the two ends of the truss 32 are respectively provided with a first connecting sleeve 321 and a second connecting sleeve 322, the first connecting sleeve 321 is sleeved on the supporting rod 31 on one side of the truss and is rotatably connected with the supporting rod 31; two ends of the first connecting sleeve 321 are provided with positioning nuts 323 for fixing the first connecting sleeve 321, and the positioning nuts 323 are sleeved on the support rod 31 and are in threaded connection with the support rod 31; the second connecting sleeve 322 is sleeved on the supporting rod 31 at the other side, a positioning nut 323 for fixing the second connecting sleeve 322 is also arranged at two ends of the second connecting sleeve 322, and the positioning nut 323 is sleeved on the supporting rod 31 and is in threaded connection with the supporting rod 31. The two ends of the truss 32 are respectively sleeved on the support rod 31 through the first connecting sleeve 321 and the second connecting sleeve 322, the mounting positions of the first connecting sleeve 321 and the second connecting sleeve 322 can be adjusted, so that the distance between the oil cylinder 33 and the upper box 12 is changed, the fixing through the positioning nut 323 is to provide an up-and-down degree of freedom for the upper cross frame when bearing is not carried out, therefore, the up-and-down positioning movement of the upper cross frame can be used for replacing the ejecting movement of the oil cylinder 33, and the size and the weight of the oil cylinder 33 can be effectively reduced. The utility model discloses an on normal direction pressurization system 3, increase the degree of using certainly that can adjust in the normal direction, can effectively reduce the structural dimension and the weight of normal direction clipper system for each part reaches the demand that can the manpower transported in the full topography.

In one embodiment, as shown in fig. 4, the second connecting sleeve 322 includes a first semicircular block 3221 and a second semicircular block 3222, the first semicircular block 3221 is fixedly connected to the truss 32, one end of the first semicircular block 3221 is hinged to the second semicircular block 3222, and the other end of the first semicircular block 3221 is detachably connected to the other end of the second semicircular block 3222. By opening the first and second

semicircular blocks

3221 and 3222, the second connecting sleeve 322 can be separated from the supporting rod 31, and since the first connecting sleeve 321 is rotatably connected to the supporting rod 31, the truss 32 has a torsional degree of freedom in the Z-axis direction, so that the truss 32 can be directly unscrewed during loading of a soil sample, a space right above the upper box 12 is made available, and an operating space is provided for quickly loading a top plate of the upper box 12.

In one embodiment, as shown in fig. 2 and 5, the pressure sensing mechanism 4 includes a horizontal pressure sensor 41 and a sensor bracket 42, the sensor bracket 42 is horizontally disposed, one end of the sensor bracket 42 is connected to a side wall of the upper case 12 facing the horizontal hair clipper system 2, and the other end of the sensor bracket 42 is connected to the horizontal pressure sensor 41; when the driving mechanism 22 drives the propelling screw 23 to horizontally propel, the propelling screw 23 acts on the pressure sensor to propel the upper box 12 to horizontally move along the shearing direction.

In one embodiment, as shown in FIG. 5, the sensor bracket 42 is mounted to the lowermost end of the side wall of the upper case 12. The sensor support 42 is disposed at the lowermost end of the side wall, which is closest to the shear plane, such that the point of application of the push-shear forces is closer to the shear plane, so that the upper box 12 does not experience a turning torque during the push-shear movement.

Through systematic design, to the understanding of experimental principle design, its stress point that pushes away the shear force of relevant same type product on the market hinders in the size design of clipper structure and sensor and the space conflict between the clipper box 1, and the shear surface is kept away from even often not on the shear surface of its stress point, through the design to the experiment, the utility model discloses a pressure sensor support 42, with a certain department of keeping away from box 12 position on the preceding tangent plane of horizontal pressure sensor 41 mounted position antedisplacement from the last box 12 lateral wall of general product, will push away the stress point of shear force and draw close to on the shear surface for go up box 12 and can not produce the upset moment of torsion in the clipper motion, thereby guaranteed the intensity of laboratory glassware, also reduced the systematic error of experiment simultaneously.

In one embodiment, as shown in fig. 5, two linear guide rails 111 are disposed on two sides of the mounting plate 11 in parallel with each other, rollers 122 are disposed on the upper box 12 to engage with the rails, and the upper box 12 is connected to the guide rails 111 of the mounting plate 11 by the rollers 122 in a rolling manner. The guide rail 111 is of a linear structure, so that the upper box 12 can only move along the direction of the guide rail 111 after being subjected to horizontal thrust, and measurement errors caused by the deviation of the upper box 12 in the pushing process are avoided; the upper box 12 and the mounting plate 11 are in rolling connection only through the rollers 122 and the guide rails 111, so that the upper box 12 is only subjected to rolling friction force brought by the rollers 122 in the shearing movement, and meanwhile, the bracket 123 of the horizontal pressure sensor 41 is connected to the lowest edge of the upper box 12 and is flush with the bottom surface of the upper box 12, so that the transmission of the shearing force is ensured to be as close to the shearing surface of a soil sample as possible; all this makes the pressure reading of horizontal pressure sensor 41 as close as possible to the shear strength of soil sample, reduces the systematic error of experiment.

In one embodiment, brackets 123 for mounting the rollers 122 are detachably connected to both side walls of the upper case 12, the rollers 122 are detachably connected to the brackets 123, and a spacer for adjusting the mounting distance between the rollers 122 and the brackets 123 is further disposed between the brackets 123 and the rollers 122. The distance between the bracket 123 and the roller 122 can be adjusted through a gasket, so that the distance between the bottom of the upper box 12 and the mounting plate 11 can be adjusted.

In one embodiment, the roller 122 is a V-shaped sheave and the guide rail 111 is an inverted V-shaped structure that mates with the V-shaped sheave structure. It should be noted that the shape and structure of the roller 122 and the guide rail 111 are not limited to the V-shaped structure, but may be other structures, for example, the guide rail 111 may be a groove-shaped rail, the roller 122 is installed in the groove, and the side walls at two sides of the groove play a role in guiding and limiting, so that the roller 122 moves along the direction of the guide rail 111; for those skilled in the art, it is easy to think that the guiding rail 111 and the roller 122 are transformed into other structures capable of realizing guiding and limiting, and the simple transformation of the guiding rail 111 and the roller 122 structure to realize the effect of the present invention should belong to the protection scope of the present invention.

In one embodiment, the upper case 12 and the lower case 13 are assembled by a plurality of support plates, and the support plates are detachably connected with each other. The upper case 12 and the lower case 13 can be assembled and disassembled, which facilitates the transportation.

In one embodiment, the lower case 13 includes a first bottom plate 131 and a plurality of first side plates 132, and the first side plates 132 and the first bottom plate 131 and the first side plates 132 can be detachably connected to each other to form a case structure.

In one embodiment, the upper case 12 includes a first top panel 124 and a second side panel 125, and the second side panel 125 and the first top panel 124 are detachably connected to form a box structure.

When the shearing box is used for shearing experiments, as the shearing box needs to bear larger horizontal thrust and pressure in the vertical direction, the self weight of the shearing box 1 is very heavy under the condition of meeting the stress, and the whole shearing box can reach more than 50KG and exceeds the weight which can be borne by manual transportation under all terrains; the shearing box is designed into a detachable assembled structure, so that the shearing box can be split into a plurality of pieces during transportation, and each piece of the shearing box can meet manual transportation under all terrains, so that the shearing box is convenient to use in different positions and in situ.

In one embodiment, the first side plate 132 and the first side plate 132, and the first side plate 132 and the first bottom plate 131 are detachably connected by bolts; the first side plate 132 is detachably connected with the mounting plate 11 through bolts; the second side plate 125 and the second side plate 125, and the second side plate 125 and the first top plate 124 are detachably connected by bolts. Through bolted connection, the connected mode is simple convenient, and can satisfy shear box's atress ability again.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An in-situ-indoor dual-purpose large-scale hair clipper instrument is characterized by comprising a hair clipper box (1), a horizontal hair clipper system (2), a normal pressurizing system (3) and a pressure sensing mechanism (4); the hair clipper box (1) comprises an installation plate (11), an upper box (12) and a lower box (13) which are used for containing soil samples; the upper box (12) is not provided with a bottom cover, the lower box (13) is not provided with a top cover, and the middle part of the mounting plate (11) is provided with a through hole; the upper box (12) is arranged at the top of the mounting plate (11) and is horizontally connected with the mounting plate (11) in a rolling manner; the lower box (13) is arranged at the bottom of the mounting plate (11) and is detachably and fixedly connected with the mounting plate (11); the upper box (12) and the lower box (13) are communicated with each other through holes; the horizontal hair-clipper system (2) is connected with the mounting plate (11) and is positioned in the direction of the horizontal movement of the upper box (12); the normal pressurizing system (3) is connected with the mounting plate (11) and is positioned right above the upper box (12); the pressure sensing mechanism (4) is connected with the upper box (12) and is positioned at one side of the horizontal hair clipper system (2); when the horizontal hair-clipper system (2) moves, the horizontal hair-clipper system (2) horizontally pushes and acts on the pressure sensing mechanism (4), so that the upper box (12) is pushed to horizontally move along the shearing direction.

2. The in-situ and indoor dual-purpose large-scale hair clipper instrument as claimed in claim 1, wherein the horizontal clipper system (2) comprises a connecting frame (21), a driving mechanism (22) and a propelling screw rod (23); the connecting frame (21) can be detachably connected with the mounting plate (11), the driving mechanism (22) is installed on the connecting frame (21), the propelling screw rod (23) is connected with the driving mechanism (22), and the driving mechanism (22) can drive the propelling screw rod (23) to move back and forth in the horizontal direction.

3. The in-situ and indoor dual-purpose large-scale hair clipper instrument as claimed in claim 2, wherein the driving mechanism (22) comprises a driving motor (221), a worm gear reducer (222) and a screw rod lifter (223); the output end of the driving motor (221) is connected with the input end of a worm and gear speed reducer (222), the output end of the worm and gear speed reducer (222) is connected with the input end of a screw rod lifter (223), and the output end of the screw rod lifter (223) is connected with a propelling screw rod (23); an axial limiting groove (231) is formed in the length direction of the propelling screw rod (23), a limiting lug corresponding to the limiting groove (231) is arranged at the output end of the screw rod lifter (223), and the limiting lug is clamped into the limiting groove (231) and is in slidable connection with the limiting groove (231).

4. A large in-situ-indoor dual-purpose hair clipper according to claim 3, wherein the normal pressurizing system (3) comprises a support rod (31), a truss (32) and a cylinder (33); supporting rods (31) are vertically arranged on two sides of the upper box (12), the bottoms of the supporting rods (31) are fixed on the mounting plate (11), and the truss (32) is transversely erected on the supporting rods (31) on the two sides and is detachably connected with the supporting rods (31); the oil cylinder (33) is vertically arranged on the truss (32), one end of the oil cylinder (33) is fixedly connected with the bottom of the truss (32), and the piston end of the oil cylinder (33) faces the top of the upper box (12); one end of the piston facing the top of the upper box (12) is provided with a pressure plate (331); an iron rolling row (121) is arranged at the top of the upper box (12), and when the oil cylinder (33) applies pressure to the upper box (12), a pressure plate (331) on the piston acts on the iron rolling row (121).

5. The in-situ and indoor dual-purpose large-scale hair clipper instrument as claimed in claim 4, wherein a first connecting sleeve (321) and a second connecting sleeve (322) are respectively arranged at two ends of the truss (32), the first connecting sleeve (321) is sleeved on the supporting rod (31) at one side of the truss and is rotatably connected with the supporting rod (31); positioning nuts (323) used for fixing the first connecting sleeve (321) are arranged at two ends of the first connecting sleeve (321), and the positioning nuts (323) are sleeved on the support rod (31) and are in threaded connection with the support rod (31); the second connecting sleeve (322) is sleeved on the supporting rod (31) on the other side, positioning nuts (323) used for fixing the second connecting sleeve (322) are also arranged at two ends of the second connecting sleeve (322), and the positioning nuts (323) are sleeved on the supporting rod (31) and are in threaded connection with the supporting rod (31).

6. The in-situ and indoor dual-purpose large hair clipper instrument as claimed in claim 5, wherein the second connecting sleeve (322) comprises a first semicircular block (3221) and a second semicircular block (3222), the first semicircular block (3221) is fixedly connected with the truss (32), one end of the first semicircular block (3221) is hinged to the second semicircular block (3222), and the other end of the first semicircular block (3221) is detachably connected with the other end of the second semicircular block (3222).

7. The in-situ and indoor dual-purpose large-scale hair clipper instrument as claimed in claim 4, wherein the pressure sensing mechanism (4) comprises a horizontal pressure sensor (41) and a sensor bracket (42), the sensor bracket (42) is horizontally arranged, one end of the sensor bracket (42) is connected with the side wall of the upper box (12) facing to the horizontal hair clipper system (2), and the other end of the sensor bracket (42) is connected with the horizontal pressure sensor (41); when the driving mechanism (22) drives the propelling screw rod (23) to horizontally propel, the propelling screw rod (23) acts on the pressure sensor to push the upper box (12) to horizontally move along the shearing direction.

8. The in-situ and in-house dual-purpose large-scale hair clipper instrument as claimed in claim 7, wherein the sensor holder (42) is installed at the lowest end of the side wall of the upper box (12).

9. An in-situ and indoor large-scale hair clipper according to any one of claims 1 to 8, wherein the top of the mounting plate (11) is provided with a linear guide rail (111), the upper box (12) is provided with a roller (122) engaged with the guide rail (111), and the upper box (12) is in rolling connection with the guide rail (111) of the mounting plate (11) through the roller (122).

10. The in-situ and indoor dual-purpose large-scale hair clipper instrument as claimed in claim 9, wherein the upper box (12) and the lower box (13) are assembled by a plurality of mounting plates (11), and the mounting plates (11) are detachably connected with the mounting plates (11).