CN114323761A - Geotechnical engineering reconnaissance broken rock coring device - Google Patents
Geotechnical engineering reconnaissance broken rock coring device Download PDFInfo
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- CN114323761A CN114323761A CN202210003561.1A CN202210003561A CN114323761A CN 114323761 A CN114323761 A CN 114323761A CN 202210003561 A CN202210003561 A CN 202210003561A CN 114323761 A CN114323761 A CN 114323761A
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Abstract
The invention discloses a rock crushing and coring device for geotechnical engineering investigation, and relates to the technical field of geotechnical engineering. The rock sampler has the advantages that the rock is sampled in a mode of intermittent downward movement while the rock sampler rotates rapidly, the shape of the rock core and the shape of the area around the core are kept, the auxiliary liquid and the rock core are fully mixed, and the rock core is kept in a stable shape.
Description
Technical Field
The invention relates to the technical field of geotechnical engineering, in particular to a coring device for broken rocks in geotechnical engineering investigation.
Background
At present, in the technical field of geotechnical engineering, in order to solve the geological condition of the rock and soil, the rock needs to be sampled, and the sampling process is coring.
Current coring device is mostly positive and negative driving motor for the motor rotates the limit and moves down and smashes and sample the target area, and assists with the clear water and carries out the auxiliary liquid and carry out the coring operation. However, in actual operation, the forward and reverse driving motors may reduce the service life of the motors, and the clear water as the auxiliary liquid may aggravate the degree of wear of the rock core, so that the practicability of the coring device is not good.
Therefore, a coring device with good practicability and stable core shape is needed.
Disclosure of Invention
The invention aims to provide a coring device for broken rocks in geotechnical engineering investigation, which samples rocks in a mode of intermittent downward movement while rotating rapidly, uses mucilage as a coring auxiliary liquid, can complete a single coring process through unidirectional rotation of a motor, is also beneficial to keeping the shapes of a rock core body and the surrounding area of the core body while intermittently downward movement, is convenient for a user to compare and observe, has the effects of fully mixing the auxiliary liquid with the rock core body, keeping the rock core body in a certain specification and keeping the rock core body in a stable shape, and solves the technical problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a core taking device for geotechnical engineering investigation of broken rocks comprises a shell, a core taking barrel and a transmission mechanism for driving the core taking barrel to intermittently move downwards;
the shell is fixedly and rotatably connected with a rotating shaft, and the surface of the shell is provided with a driving mechanism capable of driving the rotating shaft to rotate and a stabilizing part capable of introducing mucilage into the coring barrel;
the surface fixed connection of pivot changes the piece, the surface of changeing the piece is seted up flutedly, the cell wall dead axle of recess rotates and is connected with the threaded rod, the surperficial threaded connection of threaded rod has the thread bush, the surface of thread bush articulates there is the hinge bar, the tip of hinge bar with the fixed surface of coring section of thick bamboo is connected.
Optionally, the driving mechanism includes an L-shaped plate fixedly connected to the surface of the housing, the surface of the L-shaped plate is fixedly connected with a motor, and a rotating portion of the motor is fixedly connected to the surface of the rotating shaft.
Optionally, the stabilizing member comprises a container fixedly attached to the surface of the housing;
the inner wall of the container is connected with a piston head in a sliding mode, the side face of the piston head is fixedly connected with a piston rod, the side face of the piston rod penetrates through the container and is fixedly connected with a baffle, and the baffle is matched with a cam fixedly connected to the surface of the rotating shaft; the baffle and the opposite side of the container are fixedly connected with a first return spring;
the surface of the container is fixedly communicated with a feeding pipe and a discharging pipe respectively, and the feeding pipe and the discharging pipe are internally provided with one-way valves.
Optionally, the stabilizing part further comprises a connecting part communicated with the core barrel;
the connecting part comprises a corrugated pipe fixedly communicated with the discharging pipe, the surface of the corrugated pipe is fixedly communicated with a connecting pipe, the end part of the connecting pipe is fixedly communicated with a ring body, the surface of the ring body is fixedly and rotatably connected with the surface of the coring barrel in a fixed-axis manner, a first circulation groove and a second circulation groove are respectively formed in the connecting pipe and the coring barrel, the first circulation groove is communicated with the second circulation groove, and a filter screen is arranged in the second circulation groove;
the inner wall of the shell is fixedly connected with a bearing rod, the surface of the bearing rod is sleeved with a supporting block in a sliding mode, and the surface of the supporting block is fixedly connected with the surface of the corrugated pipe.
Optionally, the fixed intercommunication of tip of inlet pipe has the water tank, injects gluey thick liquid in the water tank, the surface of water tank with the fixed surface connection of L template.
Optionally, the transmission mechanism includes an incomplete gear fixedly connected to the surface of the rotating shaft;
the surface of the shell is fixedly connected with a rotating rod in a rotating mode through a fixed shaft, and the surface of the rotating rod is fixedly connected with a gear;
the surface fixed connection of L template has the gag lever post, the surperficial slip of gag lever post has cup jointed the rack row, the fixed surface of rack row is connected with the connecting rod, the threaded rod with the surface difference fixedly connected with conical gear one and conical gear two of connecting rod.
Optionally, the surface of the rotating rod is fixedly connected with a stirring plate, and the rotating rod penetrates through the surface of the water tank and is in fixed-shaft rotating connection with the water tank.
Optionally, a groove body is formed in the coring barrel, an electric push rod is arranged on the inner wall of the groove body, and a telescopic portion of the electric push rod is fixedly connected with a belt material block.
Compared with the prior art, the invention has the following beneficial effects:
1) the core taking barrel is driven to rotate by the rotation of the motor rotating part, so that the core taking barrel can rotate quickly, rocks can be smashed by the quick rotation of the core taking barrel, and cylindrical core materials can be dug due to the cylindrical arrangement of the core taking barrel;
2) the invention enables the coring barrel to intermittently move downwards while rotating at high speed through the rotation of the rotating shaft, and has the following beneficial effects: firstly, the rock with a single depth can be fully cut, and the load and the acting force borne by the cutting surface at the end part of the coring barrel are reduced; secondly, the rock with the single depth can be cut for a long time, and the shape of the rock with the single depth can be kept; thirdly, the rock outside the coring is also stabilized, so that the situation that the rock outside the coring range collapses to hide the coring barrel is avoided; fourthly, the rock with single depth can be fully mixed with the mucilage; fifthly, the cutting and collection of the materials can be realized without a forward and backward driving motor, so that the loss of the motor caused by long-time forward and backward driving of the motor is avoided;
3) according to the invention, pressurized glue solution is finally sprayed on the rock covered by the coring barrel through the rotation of the rotating shaft, and the method adopts the glue solution to replace clear water, so that the method has the following beneficial effects: firstly, the scouring on rocks can be reduced; secondly, the cement slurry can form a tougher film on the surface of the rock core; thirdly, the use of the mucilage can reduce the vibration of the cutting surface of the coring barrel; fourthly, the mucilage is sprayed out through the rotation of the core taking barrel, the spraying range of the mucilage is improved, and the film formed on the surface of the rock core body is more uniform.
Additional features and advantages of the invention will be set forth in part in the detailed description which follows.
Drawings
FIG. 1 is a schematic structural diagram of an external portion of a broken rock coring device for geotechnical engineering investigation according to an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of a broken rock coring device for geotechnical engineering investigation provided by an embodiment of the present invention;
FIG. 3 is a top plan view of a first state of an incomplete gear, pinion and rack row provided by an embodiment of the present invention;
FIG. 4 is a second state top view of an incomplete gear, pinion and rack row provided by an embodiment of the present invention;
fig. 5 is an enlarged view of the structure of fig. 2 according to the present invention at a.
In the figure: 1. a housing; 2. a core taking barrel; 3. a rotating shaft; 4. rotating the block; 5. a groove; 6. a threaded rod; 7. a threaded sleeve; 8. a hinged lever; 9. an L-shaped plate; 10. a motor; 11. a container; 12. a piston head; 13. a piston rod; 14. a baffle plate; 15. a cam; 16. a first return spring; 17. a feed pipe; 18. a discharge pipe; 19. a bellows; 20. a connecting pipe; 21. a ring body; 22. a first circulation groove; 23. a water tank; 24. an incomplete gear; 25. a rotating rod; 26. a gear; 27. a limiting rod; 28. a rack row; 29. a connecting rod; 30. a first conical gear; 31. a second bevel gear; 32. a chute; 33. a stirring plate; 34. a trough body; 35. an electric push rod; 36. a material carrying block; 37. a second circulation groove; 38. a load-bearing bar; 39. and (7) a supporting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 5, the present invention provides a technical solution: a core taking device for geotechnical engineering investigation of broken rock comprises a shell 1 and a core taking barrel 2, wherein the surface of the shell 1 is provided with a first opening, the shell 1 is rotatably connected with a rotating shaft 3 through a fixed shaft of the opening, the surface of the shell 1 is provided with a driving mechanism capable of driving the rotating shaft 3 to rotate, the surface of the rotating shaft 3 is fixedly connected with a rotating block 4, the surface of the rotating block 4 is provided with a groove 5, the fixed shaft of the groove wall of the groove 5 is rotatably connected with a threaded rod 6, the surface of the threaded rod 6 is in threaded connection with a threaded sleeve 7, the surface of the threaded sleeve 7 is hinged with a hinge rod 8 through a support, the end part of the hinge rod 8 is fixedly connected with the surface of the core taking barrel 2 through the support, the surface of the shell 1 is provided with a stabilizing part capable of introducing mucilage to the core taking barrel 2, the surface of the rotating block 4 is provided with a transmission mechanism capable of driving the core taking barrel 2 to intermittently move downwards, when in use, the device is moved to a rock area to be cored, under the effect through actuating mechanism, can drive pivot 3 and rotate, rotate through pivot 3, can drive commentaries on classics piece 4, recess 5 and threaded rod 6 rotate, and because threaded rod 6 and 7 threaded connection's of thread bush auto-lock nature, and the restriction of recess 5 to 7 direction of motion of thread bush, hinge rod 8 and 7 and the articulated relation of coring barrel 2 of thread bush, make coring barrel 2 can carry out the high-speed rotation, through the quick rotation of coring barrel 2, can smash and bore the rock, because of the setting of coring barrel 2 is the tube-shape formula, so can dig and be cylindric core material, under the effect through drive mechanism, can drive coring barrel 2 and carry out intermittent type nature and fast-speed rotation, possess following effect: firstly, the rock with the same depth can be fully cut, and the rock to be cut is gradually deeply cut after the cutting is finished, so that the condition that the cutting surface at the end part of the coring barrel 2 is easy to damage after long-time use due to large load and acting force borne by the cutting surface in a method of rotating and moving downwards is avoided; secondly, the rock with the same depth can be cut for a long time, so that the cylindrical shape of the rock with the same depth can be kept, and the situations of scattering and incomplete core materials obtained after the operation is finished are avoided; thirdly, the rock outside the coring area is also stabilized, and the situation that the rock outside the coring range collapses to hide the coring barrel 2 is avoided; fourthly, when the stable part is matched to spray the mucilage, the rocks with the same depth can be fully mixed with the mucilage, so that the mucilage film formed on the surfaces of the rocks is more uniform, and the more uniform mucilage can further reduce the vibration of the coring barrel 2; fifthly, when the thread bush 7 moves to the central part of the rotating block 4, the downward moving depth of the core barrel 2 reaches the maximum, the rotation continued through the threaded rod 6 enables the thread bush 7 to drive the core barrel 2 to gradually move upwards, the effect of taking out rock core materials is achieved, the mode does not need to drive the motor 10 forward and backward, the cutting and the collection of materials can be realized, the loss of the motor 10 to the motor 10 due to long-time forward and backward driving can be avoided, meanwhile, in the upward moving process of the core barrel 2, the core barrel 2 simultaneously moves upwards and rotates along with the movement process, the rock core materials can be further stabilized, and the rock outside the core materials can be ground to be level to avoid falling. When a user carries out comparison test and comparison on the core material, the effect of reducing test and observation errors can be achieved by conveniently observing the area around the rock core material, under the action of the stabilizing part, mucilage can be introduced into the core taking barrel 2, as most of the existing modes use clear water as cooling and lubricating circulating liquid, but the clear water washes the rock more violently, the mucilage is adopted to replace the clear water, so that firstly, the violent washing on the rock is reduced, the integrity of the rock after coring is ensured, and the subsequent collection on the rock is facilitated; secondly, the mucilage can form a tough film on the surface of the core body of the rock, so that the core body of the rock is wrapped and stabilized, the broken rock is kept in the original state, and the coring efficiency is improved; thirdly, the use of the mucilage can reduce the vibration of the cutting surface of the coring barrel 2, play a certain role in lubrication and buffering, and contribute to ensuring the service life and the use stability of the device; fourthly, the core taking barrel 2 rotates to spray the grout, so that the spraying range of the grout can be improved, and the film formed on the surface of the rock core body is more uniform.
Further, actuating mechanism includes L template 9 of fixed connection on the surface of casing 1, and the fixed surface of L template 9 is connected with motor 10, and the rotation portion of motor 10 is connected with the fixed surface of pivot 3, and through the operation of the rotation portion of motor 10, drive pivot 3 and carry out synchronous rotation.
Further, the stabilizing part comprises a container 11 fixedly connected to the surface of the shell 1, the inner wall of the container 11 is connected with a piston head 12 in a sliding manner, the side surface of the piston head 12 is fixedly connected with a piston rod 13, the side surface of the piston rod 13 is fixedly connected with a baffle plate 14, the surface of the container 11 is provided with a second opening through which the piston rod 13 penetrates and is connected with the second opening in a sliding manner, the surface of the rotating shaft 3 is fixedly connected with a cam 15, the baffle plate 14 and the opposite side of the container 11 are fixedly connected with a first return spring 16, the surface of the container 11 is respectively and fixedly communicated with a feed pipe 17 and a discharge pipe 18, one-way valves are arranged inside the feed pipe 17 and the discharge pipe 18, the stabilizing part also comprises a connecting part communicated with the core taking barrel 2, the cam 15 can be driven to rotate by the rotation of the rotating shaft 3, and the baffle plate 14, the piston rod 13 and the piston head 12 can move in a reciprocating manner under the elastic relationship of the first return spring 16 to the baffle plate 14, the piston head 12 can move reciprocally in the container 11 to change the pressure in the container 11, so that the mucilage is introduced into the container 11 through the feed pipe 17 and can spray the rock core material under the action of the connecting part.
Further, the connecting part comprises a corrugated pipe 19 fixedly communicated with the discharge pipe 18, the surface of the corrugated pipe 19 is fixedly communicated with a connecting pipe 20, the inner wall of the shell 1 is fixedly connected with a bearing rod 38, the surface of the bearing rod 38 is sleeved with a supporting block 39 in a sliding manner, the surface of the supporting block 39 is fixedly connected with the surface of the corrugated pipe 19, the end part of the connecting pipe 20 is fixedly communicated with a ring body 21, the surface of the ring body 21 is fixedly and rotatably connected with the surface of the coring barrel 2, the inside of the connecting pipe 20 and the inside of the coring barrel 2 are respectively provided with a first circulation groove 22 and a second circulation groove 37, the first circulation groove 22 is communicated with the second circulation groove 37, the inside of the second circulation groove 37 is provided with a filter screen, and the mucilage in the container 11 is formed by the discharge pipe 18, the corrugated pipe 19 and the connecting pipe 20 are injected into the ring body 21, the pressurized glue slurry is introduced into the second circulation groove 37 from the first circulation groove 22, and finally the rock covered by the coring barrel 2 is sprayed.
In order to facilitate the injection of glue thick liquid, further, the fixed intercommunication of tip of inlet pipe 17 has water tank 23, and the fixed surface of water tank 23 and the fixed surface of L template 9 are connected, through setting up water tank 23, inject glue thick liquid in water tank 23 for be convenient for inject glue thick liquid into container 11.
Further, the transmission mechanism comprises an incomplete gear 24 fixedly connected to the surface of the rotating shaft 3, a rotating rod 25 is rotatably connected to the surface of the shell 1 in a fixed-axis manner, a gear 26 is fixedly connected to the surface of the rotating rod 25, a limiting rod 27 is fixedly connected to the surface of the L-shaped plate 9, a rack row 28 is sleeved on the surface of the limiting rod 27 in a sliding manner, a connecting rod 29 is fixedly connected to the surface of the rack row 28, a third opening for the threaded rod 6 to penetrate out and be rotatably connected with the fixed axis is formed in the surface of the groove 5, a first conical gear 30 and a second conical gear 31 are respectively fixedly connected to the surfaces of the threaded rod 6 and the connecting rod 29, a sliding groove 32 for the connecting rod 29 to slide is formed in the surface of the shell 1, the incomplete gear 24 can be driven to rotate by the rotation of the rotating shaft 3, the incomplete gear 24 drives the rack row 28 to move rightwards first and drives the gear 26 to rotate in a forward direction, when the incomplete gear 24 is not meshed with the rack row 28 and is meshed with the gear 26, the gear 26 can be driven to rotate reversely, so that the rack row 28 can move leftwards, the rack row 28 can move backwards and forwards, and the rotating rod 25 can rotate backwards and forwards, the bevel gear II 31 can be driven to move leftwards and rightwards under the connection relationship of the connecting rod 29 through the reciprocating movement of the rack row 28, the bevel gear I30 can synchronously rotate through the rotation of the rotating block 4, when the bevel gear I30 and the bevel gear II 31 are meshed with each other, the threaded rod 6 can be driven to rotate, so that the threaded sleeve 7 can move leftwards, and due to the hinged relationship of the hinged rod 8 and the limitation of the shell 1 on the displacement direction of the core taking barrel 2, the core taking barrel 2 can move downwards, the rotating shaft 3 drives the core taking barrel 2 to rotate at high speed, the bevel gear I30 and the bevel gear II 31 are in intermittent meshing relationship, so that after the core taking barrel 2 rotates for many circles, the bevel gear I30 and the bevel gear II 31 are meshed once, further, the core barrel 2 is moved downward, and the core barrel 2 intermittently moves downward while rotating at a high speed, and the downward movement speed is relatively slow.
In order to guarantee the use quality of mucilage, furtherly, the fixed surface of bull stick 25 is connected with stirring board 33, and the surface of water tank 23 is offered and is used for the bull stick 25 to pass and with it dead axle rotation connected opening four, through the reciprocating rotation of bull stick 25, drives stirring board 33 reciprocating rotation for can carry out lasting disturbance to the mucilage in the water tank 23, make the mucilage keep active, avoid the mucilage to appear solidifying the condition of piling up and deposiing.
In the second embodiment, on the basis of the first embodiment, another embodiment is as follows:
in order to facilitate taking out of the rock core material, the groove body 34 has been seted up to the inside of the coring barrel 2, the inner wall of the groove body 34 is provided with electric putter 35, the flexible portion fixedly connected with of electric putter 35 takes the material piece 36, after coring barrel 2 is got the core and is accomplished, through the sensor perception back, make electric putter 35 drive take the material piece 36 to stretch out of the groove body 34, make to play the supporting role to the rock core material of cylinder, make the accessible take the material piece 36 can take the rock out of the rock region, the convenient effect of getting the material has been reached.
The invention relates to a working principle of a rock crushing and coring device for geotechnical engineering investigation, which comprises the following steps:
when the core taking device for rock crushing in geotechnical engineering investigation is used, the core taking device is moved to a rock area to be cored, the rotating part of the motor 10 operates to drive the rotating shaft 3, the rotating block 4, the groove 5 and the threaded rod 6 to rotate, and due to the self-locking property of threaded connection between the threaded rod 6 and the threaded sleeve 7, the limitation of the groove 5 on the displacement direction of the threaded sleeve 7 and the hinged relation between the hinged rod 8 and the threaded sleeve 7 as well as the core taking barrel 2, the core taking barrel 2 can rotate rapidly, the rock can be crushed by the rapid rotation of the core taking barrel 2, and cylindrical core materials can be dug due to the fact that the core taking barrel 2 is arranged in a cylindrical shape.
The incomplete gear 24 is driven to rotate by the rotation of the rotating shaft 3, so that the incomplete gear 24 drives the rack row 28 to move rightwards firstly, the gear 26 rotates along with the positive direction, when the incomplete gear 24 is not meshed with the rack row 28 and is meshed with the gear 26, the gear 26 is driven to rotate reversely, the rack row 28 moves leftwards, the rack row 28 can move back and forth, the rotating rod 25 moves back and forth, the conical gear II 31 is driven to move leftwards and rightwards by the back and forth movement of the rack row 28 under the connection relationship of the connecting rod 29, the conical gear I30 also rotates synchronously by the rotation of the rotating block 4, when the conical gear I30 is meshed with the conical gear II 31, the threaded rod 6 can be driven to rotate, the threaded sleeve 7 moves leftwards, and due to the hinged connection relationship of the hinged rod 8, and the shell 1 limits the displacement direction of the coring barrel 2, the core barrel 2 moves downwards, the rotating shaft 3 drives the core barrel 2 to rotate at a high speed, and the first conical gear 30 and the second conical gear 31 are in an intermittent meshing relationship, so that after the core barrel 2 rotates for multiple circles, the first conical gear 30 and the second conical gear 31 are meshed once to enable the core barrel 2 to move downwards.
The movement finally achieves the effect that the coring barrel 2 intermittently moves downwards while rotating at a high speed, and the speed of moving downwards is relatively slow, when the coring operation is performed on the rock, firstly, the rock with a single depth can be fully cut, and the rock to be cut is gradually and deeply cut after the cutting is completed, so that the situation that the end cutting surface of the coring barrel 2 is subjected to large load and acting force in a mode of moving downwards while rotating, and is easy to damage after long-time use is avoided; secondly, the rock with the single depth can be cut for a long time, the shape of the rock with the single depth can be kept, and the situation that the obtained core material is not completely scattered after the operation is finished is avoided; thirdly, the stabilizing effect is also achieved on the rocks except for coring, and the situation that the rocks outside the coring range collapse to hide the coring barrel 2 is avoided; fourthly, when the subsequent stabilizing part is matched to spray the mucilage, the rock with the single depth is fully mixed with the mucilage, so that the glue film formed on the surface of the rock is more uniform, and the uniform mucilage further reduces the vibration of the coring barrel 2, thereby being beneficial to maintaining the service life of the device; fifthly, when the thread bush 7 moves to the center of the rotating block 4, the downward moving position of the core barrel 2 reaches the deepest position, the thread bush 7 drives the core barrel 2 to gradually move upwards through the continuous rotation of the threaded rod 6, the effect of taking out rock core materials is achieved, the mode does not need the positive and negative driving motor 10, the cutting and the collection of the materials can be achieved, the loss of the motor 10 caused by the long-time positive and negative driving motor 10 is avoided, meanwhile, when the core barrel 2 moves upwards, the core barrel 2 simultaneously moves upwards in the process of the movement in a similar mode, the rock core materials can be further stabilized, the rock outside the core materials can be leveled to avoid collapse, when a user conducts comparison test and comparison, the effect of reducing test and observation errors can be achieved by observing the area around the rock core materials conveniently.
The cam 15 is driven to rotate by the rotation of the rotating shaft 3, and due to the elastic relation of the first return spring 16 to the baffle 14, the piston rod 13 and the piston head 12 can move in a reciprocating manner, so that the piston head 12 moves in the container 11 in a reciprocating manner, the pressure in the container 11 changes, the glue solution is introduced into the container 11 through the inlet pipe 17, then the glue solution is injected into the ring body 21 through the container 11 through the outlet pipe 18, the corrugated pipe 19 and the connecting pipe 20, the pressurized glue solution is introduced into the second circulation groove 37 through the first circulation groove 22, and finally the rock covered by the coring barrel 2 is sprayed.
Because the existing mode mostly uses clear water as circulating liquid for cooling and lubricating, but the clear water erodes rocks more violently, the mode adopts mucilage to replace clear water, firstly, the erosion to the rocks can be reduced, the integrity of the rocks after coring is ensured, and the subsequent detection and experiment to the rocks are more facilitated; secondly, the mucilage can form a tough film on the surface of the rock core body, so that the rock core body can be wrapped and stabilized, broken and loose rocks can be kept in the original state, and the coring efficiency can be improved; thirdly, the use of the mucilage can reduce the vibration of the cutting surface of the coring barrel 2, play a certain role in lubrication and buffering, and contribute to ensuring the service life and the use stability of the device; fourthly, the core taking barrel 2 rotates to spray the glue slurry, so that the spraying range of the glue slurry can be improved, and the film formed on the surface of the rock core body is more uniform.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a broken rock coring device of geotechnical engineering reconnaissance, includes casing (1), its characterized in that: the core taking device also comprises a core taking barrel (2) and a transmission mechanism for driving the core taking barrel (2) to intermittently move downwards;
the shell (1) is fixedly and rotatably connected with a rotating shaft (3), and the surface of the shell (1) is provided with a driving mechanism capable of driving the rotating shaft (3) to rotate and a stabilizing part capable of introducing glue slurry into the coring barrel (2);
the fixed surface of pivot (3) is connected with changes piece (4), the surface of changeing piece (4) is seted up fluted (5), the cell wall dead axle of recess (5) rotates and is connected with threaded rod (6), the surperficial threaded connection of threaded rod (6) has thread bush (7), the surface of thread bush (7) articulates there is hinge bar (8), the tip of hinge bar (8) with the fixed surface of coring barrel (2) is connected.
2. The apparatus of claim 1 for coring crushed rock for geotechnical engineering investigation, wherein: the driving mechanism comprises an L-shaped plate (9) fixedly connected to the surface of the shell (1), a motor (10) is fixedly connected to the surface of the L-shaped plate (9), and a rotating portion of the motor (10) is fixedly connected with the surface of the rotating shaft (3).
3. The apparatus for coring crushed rock for geotechnical engineering investigation of claim 1 or 2, wherein: the stabilizing part comprises a container (11) fixedly connected to the surface of the shell (1);
the inner wall of the container (11) is connected with a piston head (12) in a sliding mode, the side face of the piston head (12) is fixedly connected with a piston rod (13), the side face of the piston rod (13) penetrates out of the container (11) to be fixedly connected with a baffle (14), and the baffle (14) is matched with a cam (15) fixedly connected to the surface of the rotating shaft (3); a first return spring (16) is fixedly connected with the baffle (14) and the opposite side of the container (11);
the surface of container (11) is fixed intercommunication respectively has inlet pipe (17) and discharging pipe (18), inlet pipe (17) with the inside of discharging pipe (18) all is provided with the check valve.
4. The geotechnical engineering investigation broken rock coring device of claim 3, characterized in that: the stabilizing part also comprises a connecting part communicated with the coring barrel (2);
the connecting part comprises a corrugated pipe (19) fixedly communicated with the discharge pipe (18), and a connecting pipe (20) is fixedly communicated with the surface of the corrugated pipe (19); a ring body (21) is fixedly communicated with the end part of the connecting pipe (20), the surface of the ring body (21) is in fixed-axis rotary connection with the surface of the coring barrel (2), a first circulation groove (22) and a second circulation groove (37) are respectively formed in the connecting pipe (20) and the coring barrel (2), the first circulation groove (22) is communicated with the second circulation groove (37), and a filter screen is arranged in the second circulation groove (37);
the inner wall of the shell (1) is fixedly connected with a bearing rod (38), the surface of the bearing rod (38) is sleeved with a supporting block (39) in a sliding mode, and the surface of the supporting block (39) is fixedly connected with the surface of the corrugated pipe (19).
5. The geotechnical engineering investigation broken rock coring device of claim 3, characterized in that: the fixed intercommunication of tip of inlet pipe (17) has water tank (23), injects gluey thick liquid in water tank (23), the surface of water tank (23) with the fixed surface of L template (9) is connected.
6. The geotechnical engineering investigation broken rock coring device of claim 2, characterized in that: the transmission mechanism comprises an incomplete gear (24) fixedly connected to the surface of the rotating shaft (3);
the surface of the shell (1) is fixedly connected with a rotating rod (25) in a rotating mode, and the surface of the rotating rod (25) is fixedly connected with a gear (26);
the surface of the L-shaped plate (9) is fixedly connected with a limiting rod (27), the surface of the limiting rod (27) is sleeved with a rack bar (28) in a sliding mode, and the surface of the rack bar (28) is fixedly connected with a connecting rod (29); the surfaces of the threaded rod (6) and the connecting rod (29) are respectively fixedly connected with a first conical gear (30) and a second conical gear (31).
7. The geotechnical engineering investigation broken rock coring device of claim 6, characterized in that: the surface of the rotating rod (25) is fixedly connected with a stirring plate (33), and the rotating rod (25) penetrates through the surface of the water tank (23) and is in fixed-shaft rotating connection with the water tank.
8. The apparatus for coring crushed rock for geotechnical engineering investigation of claim 1 or 2, wherein: a groove body (34) is formed in the coring barrel (2), an electric push rod (35) is arranged on the inner wall of the groove body (34), and a telescopic portion of the electric push rod (35) is fixedly connected with a belt material block (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210003561.1A CN114323761B (en) | 2022-01-04 | 2022-01-04 | Broken rock coring device of geotechnical engineering reconnaissance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115791273A (en) * | 2023-02-03 | 2023-03-14 | 北京中联勘工程技术有限责任公司 | Geotechnical sampling device for geotechnical engineering investigation |
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| CN208953319U (en) * | 2018-10-31 | 2019-06-07 | 重庆工程职业技术学院 | A kind of geotechnical engineering investigation sampler |
| CN212722140U (en) * | 2020-08-12 | 2021-03-16 | 高琦 | A sampling device for geotechnical engineering reconnaissance |
| CN213456191U (en) * | 2020-11-24 | 2021-06-15 | 武汉华罡岩土工程有限公司 | Geotechnical engineering reconnaissance is with survey device |
| CN213875070U (en) * | 2021-01-07 | 2021-08-03 | 刘林 | Sampling device for geotechnical geology investigation |
| CN214748973U (en) * | 2021-03-07 | 2021-11-16 | 李兴 | Geotechnical engineering reconnaissance broken rock coring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208953319U (en) * | 2018-10-31 | 2019-06-07 | 重庆工程职业技术学院 | A kind of geotechnical engineering investigation sampler |
| CN212722140U (en) * | 2020-08-12 | 2021-03-16 | 高琦 | A sampling device for geotechnical engineering reconnaissance |
| CN213456191U (en) * | 2020-11-24 | 2021-06-15 | 武汉华罡岩土工程有限公司 | Geotechnical engineering reconnaissance is with survey device |
| CN213875070U (en) * | 2021-01-07 | 2021-08-03 | 刘林 | Sampling device for geotechnical geology investigation |
| CN214748973U (en) * | 2021-03-07 | 2021-11-16 | 李兴 | Geotechnical engineering reconnaissance broken rock coring device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115791273A (en) * | 2023-02-03 | 2023-03-14 | 北京中联勘工程技术有限责任公司 | Geotechnical sampling device for geotechnical engineering investigation |
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