CN208106362U - A kind of grasping drive unit for detection pushing ram in hole - Google Patents
A kind of grasping drive unit for detection pushing ram in hole Download PDFInfo
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- CN208106362U CN208106362U CN201820608206.6U CN201820608206U CN208106362U CN 208106362 U CN208106362 U CN 208106362U CN 201820608206 U CN201820608206 U CN 201820608206U CN 208106362 U CN208106362 U CN 208106362U
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- pushing ram
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Abstract
The utility model discloses a kind of for detecting the grasping drive unit of pushing ram in hole, which includes：Lever system is promoted, the pushing ram that multiple bodies of rod including head and the tail connection are constituted, the outer surface of the body of rod vertically offers multiple open slots, and card is placed with pipeline inside open slot；Support system, including pedestal, universal spherical joint, propelling hydraulic cylinder and pushing ram is promoted to replace junction chamber；The top of pushing ram replacement junction chamber is arranged in aperture support protecting apptss, and for carrying out clamp standoff to the body of rod at the aperture of drilling；The lower section of aperture support protecting apptss is arranged in pressure pipe system, and for pipeline to be pressed into open slot.The utility model is compact-sized, safe operation, and the replacement of pushing ram, joint efficiency are rapidly and efficiently and method is simple and reliable, and operating process intuitively can control.
Description
Technical field
The utility model relates to be suitable for drilling protolith load test technical field, more particularly to it is a kind of for being detected in hole
The grasping drive unit of pushing ram.
Background technique
It usually requires to carry out boring and coring to rock mass in ground, water conservancy and hydropower and mine engineering scene, then passes through drilling
The equipment such as TV, in-situ testing device join the physical mechanics of the rock mass such as deformation failure, the crustal stress size of geologic structure, country rock
Number is analyzed.And it generally requires during carrying out in-situ test to geologic prospect or rock mass physical mechanics parameter by propulsion
Required instrument and equipment is pushed into the different depth of drilling by bar, and therefore, the connection of bore detecting pushing ram drives and visiting
The research for the problems such as support, maintenance during survey consolidate has certain practical meaning in engineering.
The connection of pushing ram at present is mainly that adjacent two pushing rams head and the tail pass through screw threads for fastening together, and connect detection
Head power supply line and oil pipe it is exposed outside, in detection process constantly with drilling palisades CONTACT WITH FRICTION, cause power supply line outer wall by
Damage, there are security risks；Pushing ram still retains artificial hand-held promotion in entire test process simultaneously, loads to country rock
The stabilization of pushing ram is maintained in the process and by people；But drilling generally requires to drill through tens meters of depths in engineering, in detection process
In constantly to connect new pushing ram, to meet investigation depth, this makes hand-held pushing ram very laborious, and to country rock into
In row pressure process, need loading device keep stablize, once small shaking occurs for device, all will lead to test load,
The parameters such as displacement inaccuracy, can not be used to accurate to carry out such as the design of its support, deformation analysis, stability requirement of rock mass engineering project
Design and evaluation.
In view of the above-mentioned problems, how to improve existing propulsion lever apparatus, make its can either protection power source line and oil pipe not by
Damage, and artificially hand-held influence can be eliminated in progradation；Simultaneously again the stability of equilibrium of guarantee test device and
The result accuracy of safety and detection test meets the needs for the situ measurement study that drills at this stage, becomes urgently to be resolved
Critical issue.
Utility model content
The technical issues of in order to solve in the presence of the prior art, the utility model provide one kind can protection power source line and
Oil pipe is injury-free, but artificially hand-held influence can be eliminated in progradation and also ensure the authenticity of surveyed parameter with
The grasping drive unit for detection pushing ram in hole of accuracy.
To solve the above-mentioned problems, the technical scheme adopted by the utility model is that：
A kind of grasping drive unit for detection pushing ram in hole, which is characterized in that it includes promoting lever system, promoting
Support system, aperture support protecting apptss and pressure pipe system four are most of, wherein：
(1) the propulsion lever system described in, the pushing ram and retaining mechanism that multiple bodies of rod including head and the tail connection are constituted；
Multiple open slots are vertically offered in the outer surface of the body of rod, oil pipe pipeline can be pressed into inside open slot；
Double end single needle conducting wire is equipped in the intracorporal hollow cavity of bar, double end single needle conducting wire is connected respectively at conducting wire both ends
It is connected to the first conductive pin and the second conductive pin；
Single hole line socket is connected at the top of the body of rod, the inside of single hole line socket is led equipped with what is be made of conducting ring
Electric jack, the first conductive pin are connected through coil with conducting ring；Two have been symmetrically distributed on the lateral wall of single hole line socket
A hole slot is equipped with clamp button of the spring in each hole slot, and the tail portion of the clamp button of the spring is connected through spring with the hole slot,
The head of the clamp button of the spring is spherical surface, is accordingly set on the opening end of the single needle connecting plug there are four hole channel opening,
The clamp button of the spring is matched with the hole channel opening, convenient for being connected and disconnected from for single hole line socket and single needle connecting plug；
It is connected with single needle connecting plug in the bottom of the body of rod, the second conductive pin is threaded through single needle connecting plug from inside to outside
On, and the second conductive pin is also matched with conductive jack；The inner wall of single needle connecting plug is provided inwardly with symmetrically along hole channel opening
The vertical slide rail of distribution, the main function of vertical slide rail be in order to prevent single hole line socket and single needle connecting plug connecting and
Positioning action is played when rotating during being detached from, while connecting with external driving power source, facilitates single hole line socket
The inner wall sliding for being buckled in single needle connecting plug on lateral wall；Vertical slide rail is divided into connecting sliding rail and is detached from sliding rail, and connects
It is connected between sliding rail and disengaging sliding rail by an oblique sliding rail, three sliding rails form U-shaped circuit, and the minimum diameter of sliding rail is slightly larger than bullet
The maximum outside diameter of spring buckle；Oblique sliding rail and disengaging sliding rail junction are equipped with sliding rail card slot, and sliding rail card slot is used for single hole line socket
Clamp button of the spring is held after connecting with single needle connecting plug, so that whole device is being promoted and is not being rotated in measurement process, favorably
In stability and accuracy；
The retaining mechanism, for locking single hole line socket and single needle connecting plug on the two neighboring body of rod；Tool
Body structure is：The outer surface of single hole line socket be equipped with annular locking groove, the lower end of single needle connecting plug be equipped with
Annular locking groove mutually carves the locking lantern ring of conjunction；
(2) the propulsion support system described in, including pedestal, universal spherical joint, propelling hydraulic cylinder and pushing ram replace junction chamber,
Propelling hydraulic cylinder is rotatably connected on pedestal through universal spherical joint, and pushing ram replacement junction chamber is connected with propelling hydraulic cylinder；Wherein：
The piston boit of the propelling hydraulic cylinder, which is equipped with, promotes end, and the inside of end is promoted to be equipped with hollow interior pillar,
The inside of interior pillar is equipped with conductive ring, and the lateral wall of interior pillar is equipped with columnar projections, the list on conductive ring and the aperture body of rod
The second conductive pin in needle connecting plug matches, columnar projections and the vertical cunning in single needle connecting plug on the orifice end body of rod
Rail matches；
The pushing ram replacement junction chamber is to be arranged with to be connected with propelling hydraulic cylinder in the outer surface of propulsion lever system
Cylindrical tube, the lower sides of cylindrical tube are equipped with an opening, and pipeline is worn in the opening；It is also right on the inner wall of cylindrical tube
Claiming ground to be equipped with multiple groups fixture and promotes lever system for clamping, the clamp arm Outer tips of fixture are equipped with the semicircle card slot that can be docked, and half
For circle card slot for clamping pipeline, the openings of sizes of semicircle card slot is adjustable；
(3) top of pushing ram replacement junction chamber is arranged in, for drilling orifice in the aperture support protecting apptss described in
The body of rod at place carries out clamp standoff；
(4) the pressure pipe system described in, is arranged in the lower section of aperture support protecting apptss, for pipeline to be pressed into the body of rod
In open slot.
Further：
In order to preferably control the rotation direction that multi-directional ball twists, the fixed valve of locking universal spherical joint is equipped on pedestal,
Bevel protractor is additionally provided on universal spherical joint；
In order to make pushing ram not rotate or shake in progradation, termination point casing is being promoted to be equipped with piston retaining ring,
Piston retaining ring is for locking single needle connecting plug on the body of rod of aperture and promoting end.
The utility model aperture support protecting apptss preferred structure is：Including being fixed on the fixed frame of aperture location, dividing
Grade chuck and classification sliding rail and internal diameter regulating mechanism；
The fixed frame is circular ring, is equipped with partition at the bosom position of circular ring；Above and below partition
Two sides are symmetrically equipped with classification chuck, and the center position for being classified chuck is additionally provided with rotary stopper ring, and lever system is promoted to wear
In rotary stopper ring；Classification sliding rail is symmetrically provided on the diameter line of classification chuck, classification sliding rail is equipped with classification card
Column, classification card column includes first order card column, second level card column and third level card column, and the first order card column is nested in second level card
In column, second level card column is nested in the card column of third pole, and the first order to third level card column can be sliding along corresponding classification sliding rail
It is dynamic；
The internal diameter regulating mechanism includes adjusting limiting slot and adjusting screw, adjusts limiting slot and is arranged at two neighboring point
Between grade card column, screw setting is adjusted in adjusting limiting slot, for adjusting the inner diameter size of rotary stopper ring.
It is equipped with asphalt channel in above-mentioned classification chuck, rotary stopper ring and classification card column, and on the classification chuck also
Equipped with oil inlet and oil outlet, the oil inlet and oil outlet are connected with the asphalt channel.
The preferred structure of the utility model pressure pipe system is：Including fixed link, metallic sheath, two pulleys and spring pressuring plate；
The fixed link is fixed on the lower section of above-mentioned aperture support protecting apptss；
The metallic sheath is connected through horizontal displacement regulating mechanism and vertical displacement regulating mechanism with above-mentioned fixed link respectively
It connects, adjusts metallic sheath level respectively by two regulating mechanisms and move left and right and vertically move up and down；It is symmetrically opened on metallic sheath
If opening sliding slot is obliquely outward there are two the sliding slot that is open；
Two pulleys, be mounted on correspondingly opening sliding slot in opening sliding slot be slidably connected, and pulley with
The open slot of the body of rod is corresponding, is also connected by transmission lever between two pulleys；
The spring pressuring plate, is arranged in the two sides axle portion of each pulley, and spring pressuring plate drives the cunning after being used for stress
Wheel is slided along the opening sliding slot.
The utility model horizontal displacement regulating mechanism preferred structure is：Including vertical adjustment sliding block, brace and telescopic mast,
The fixed link of pressure pipe system is equipped with the vertical chute, and one end of brace is slidably connected through vertical adjustment sliding block with the vertical chute,
It is hinged in the middle part of the other end and telescopic mast, the both ends of telescopic mast are connected with the metallic sheath of fixed link and pressure pipe system respectively.
The utility model vertical displacement regulating mechanism includes sliding bearing, telescopic mast one end warp of horizontal displacement regulating mechanism
The vertical chute of sliding bearing and fixed link is slidably connected.
In order to lock and unlock to vertical adjustment sliding block, a unlock pressing plate is additionally provided on vertical adjustment sliding block.
Prominent among at the wheel rim of the pulley, two sides are recessed inwardly, and are conducive to be pressed into oil pipe on the outside of pushing ram
In the open slot of wall, guard against deviations.
The application method of the utility model comprising following steps：
The first step, fixed propulsion support system, and the propulsion end of propelling hydraulic cylinder extension end is made to be directed at wall rock drill-hole；Tool
Body includes：
The pedestal for promoting support system is bolted on ground, the bevel protractor on universal spherical joint is adjusted, makes to promote
The propulsion end of hydraulic cylinder extension end is directed at wall rock drill-hole, then closes fixed valve, guarantees that the propulsion support system is stablized
It is motionless；Finally, pushing ram replacement junction chamber is mounted on propelling hydraulic cylinder piston boit：
Second step：Fixed orifice support protecting apptss and pressure pipe system；It specifically includes：
The hydraulic graduation chuck of the aperture support protecting apptss is fixed on to the partition upper and lower ends of fixed frame, and uses spiral shell
Bolt anchoring, meanwhile, pressure pipe system is fixed on to the lower section of fixed frame, then, by the aperture support protecting apptss after assembling
It is mounted on the lifting support for promoting support system pedestal, and is sent it at wall rock drill-hole mouth by lifting support, make it
It is fixed at the outer wall of hell；
Third step：In pushing ram replacement junction chamber installation pushing ram, loading system and borehole television；It specifically includes：
One end of first pushing ram is connected with loading system and borehole television；Then, by assembled first
Pushing ram is mounted on propulsion end by replacing the sidewall opening of junction chamber, and rotary-piston retaining ring is locked；
4th step：Pipe laying；It specifically includes：
Pipeline is deeply connected with the pressure chamber of loading system by the opening that pushing ram replaces junction chamber side wall, is adjusted
The semicircle card slot size of fixture tip two sides docking, pulls pipeline freely wherein；
5th step：Loading system and borehole television are passed completely through aperture support protecting apptss to enter in drilling；Specific packet
It includes：
Propelling hydraulic cylinder is opened, oil pressure loading speed is set, releases the piston of propelling hydraulic cylinder slowly, meanwhile, it will push away
It raises into bar and system connected to it close to hell, it is complete in the borehole television and loading system of the drill hole of pushing ram end
After entering hell full by aperture support protecting apptss, stop promoting；
6th step：In progradation, pipeline is pressed into the open slot of pushing ram by pressure pipe system；It specifically includes：
The video acquisition unit for opening borehole television passes through the feature of camera start recording surrounding rock in drilling hole, adjustment pressure
The telescopic mast of guard system is pressed into pulley in open slot pipeline under spring pressuring plate effect, when the tail portion of pushing ram is locked
When lantern ring is close to pulley, stop promoting；
7th step：Increased pushing ram is installed；It specifically includes：
7.1st step：The locking switch of classification chuck is opened, two classification card columns for being classified chucks are shunk up and down for control, will
Pushing ram clamps, it is made to keep stablizing；
7.2nd step：The piston retaining ring of propelling hydraulic cylinder is rotated, and opens the oil return apparatus controller of propelling hydraulic cylinder,
Make that end is promoted slowly to move down, and separated with pushing ram, after hydraulic drive cylinder moves down into initial position, closes oil return control valve
Door；
7.3rd step：Pushing ram is installed again, and opens the oil inlet valve of propelling hydraulic cylinder, slowly increase pushing ram, when
After the single hole line socket of second pushing ram is inserted on the single needle connecting plug of first pushing ram tail portion, propelling hydraulic cylinder
Stop lifting, rotate second pushing ram, makes it carve to merge to form locking state with first pushing ram tail portion locking lantern ring, most
Afterwards, the classification card column of classification chuck is opened in control, makes pushing ram under the promotion of propelling hydraulic cylinder, progresses into drilling depths；
8th step：At the drilling country rock measured needed for reaching, is loaded and recorded a video；It specifically includes：
At the drilling country rock that repetitive operation measures needed for loading device and borehole television reach, two classification cards are controlled
The classification card column of disk is shunk, and pushing ram is clamped, starts to load country rock and record a video.
9th step：Dismantling recycling is carried out to device after the completion of test.It specifically includes：
9.1st step：After the completion of the test of same drilling different depth country rock, the oil return valve of propelling hydraulic cylinder is opened, is beaten
The classification card column for opening classification chuck, falls single unit system slowly after rise, and dismantle pushing ram section by section, until final section has been dismantled
Finish, and pipeline consolidation is recycled；
9.2nd step：Aperture support protecting apptss are drop to ground by lifting support, and are disassembled；
9.3rd step：The fixed valve promoted on support system universal spherical joint is opened, propelling hydraulic cylinder is recalled to initial bit
It sets, meanwhile, pedestal disassembly is placed into external reserve tank.
The beneficial effects of the utility model are：
1, required instrument and equipment can be not only pushed into the difference of engineering rock mass drilling by the utility model by pushing ram
In depth, additionally it is possible to realize the replacement, connection and driving of pushing ram, while can guarantee the stability of equilibrium of experimental rig again.
2, the utility model passes through propelling drive apparatus, aperture support protection on the basis of the prior art and device
The multiple coordinations such as device and pushing ram effect, the driving of pushing ram and entire experimental rig are to rock mass physical mechanics parameter
Carry out eliminating the influence of human factor during in-situ test, solve hand-held device shake cause the load of test,
The parameters such as displacement inaccuracy, and can not be used to accurate to carry out such as the design of its support, deformation analysis, stability requirement of rock mass engineering project
Design and evaluation problem, ensure that the safety of experimental rig and the authenticity and accuracy of detection test result.
3, the rotation direction of hydraulic cylinder is adjusted using the universal spherical joint of the utility model, fixed valve and bevel protractor, in turn
The direction of propulsion of controllable pushing ram, meets the in-situ test demand of engineering site difference bore angle.Meanwhile it is practical by this
Oil inlet pipe and flowline can be embedded in respectively the vertical opening of pushing ram lateral wall by novel pushing ram, fixture, spring compression wheel
In slot, can either control oil pipe do not deviate in progradation, and can protect oil pipe will not with drilling palisades rub
Cause to damage, eliminate security risk, provides safety guarantee for drilling in-situ test.Therefore pass through the propulsion of the utility model
Driving device can meet the needs for the situ measurement study that drills at this stage.
In short, the apparatus structure of the utility model is compact, safe operation, the replacement of pushing ram, joint efficiency are rapidly and efficiently
And method is simple and reliable, operating process intuitively can control.Also, by promoting support system, aperture support protecting apptss and pressure
Guard system drives pushing ram, support and pipeline indentation protection, its stability are high, in the pipelines such as protection power source line and oil pipe
Under the premise of injury-free, meet the needs of the detection load of different drilling depths, it can also enough eliminate in progradation
Artificially hand-held influence, ensure that the authenticity and accuracy of surveyed parameter, in engineering rock mass mechanics parameter drilling in-situ test
Research aspect has wide applicability and future in engineering applications.
Detailed description of the invention
Technical solutions of the utility model are further described below according to the drawings and specific embodiments
Fig. 1 is the structural schematic diagram of the grasping drive unit for detecting pushing ram in hole in the utility model；
In Fig. 2, Fig. 2 a and Fig. 2 b are respectively the main view and top view of the utility model pushing ram replacement junction chamber；
Fig. 3 is the structural schematic diagram of the utility model pushing ram；
Fig. 4 is the schematic top plan view of the utility model single hole line socket；
Fig. 5 is the schematic top plan view of the utility model single needle connecting plug；
Fig. 6 is the structural schematic diagram that the utility model promotes club shaft；
Fig. 7 is the structural schematic diagram that the utility model promotes end；
Fig. 8 is the structural schematic diagram of the utility model aperture support protecting apptss；
Fig. 9 is the top view of the utility model aperture support protecting apptss；
Figure 10 is the structural schematic diagram of the utility model pressure pipe system；
Figure 11 is the flow chart of the utility model application method.
In figure：
1- propulsion lever system, the 11- body of rod, 111- open slot, 112- hollow cavity, 12- pipeline, 13- double end single needle conducting wire,
131- conducting wire, the first conductive pin of 132-, the second conductive pin of 133-, 134- insulation rubber ring, 14- single hole line socket, 141-
Conducting ring, 142- conductive jack, 143- hole slot, 144- clamp button of the spring, 145- spring, 146- insulation rubber column gel column, 15- single needle line are inserted
Head, 16- retaining mechanism, 161- locking lantern ring, 162- locking groove, 17- vertical slide rail, 171- connecting sliding rail, the oblique sliding rail of 172-,
173- sliding rail card slot, 174- are detached from sliding rail, 18- coil.
2- promotes support system, 21- pedestal, and 22- multi-directional ball twists, and 23- propelling hydraulic cylinder, 2- promotes support system, the bottom 21-
Seat, 22- multi-directional ball twist, 23- propelling hydraulic cylinder, 231- propulsion end, pillar in 232-, 233- conductive ring, 234- columnar projections,
24- pushing ram replaces junction chamber, 241- cylindrical tube, and 242- cylindrical tube is open, 243- fixture, 244- semicircle card slot, and 25- is solid
Determine valve, 26- piston retaining ring.
The aperture 3- support protecting apptss, 31- fixed frame, 32- partition, 33- are classified chuck, 34- rotary stopper ring, and 35- divides
Grade sliding rail, 36- are classified card column, and 361- first order card column, the second level 362- card column, 363- third level card column, 37-, which is adjusted, to be limited
Slot, 38- adjust screw, 39- oil inlet, 40- oil outlet.
4- pressure pipe system, 41- fixed link, 411- the vertical chute, 42- metallic sheath, 43- horizontal displacement regulating mechanism, 431-
Adjusting slider, 432- brace, 433- telescopic mast, 434- unlock pressing plate, 44- vertical adjustment sliding block, and 44- vertical displacement adjusts machine
Structure, 441- sliding bearing, 45- opening sliding slot, 46- pulley, 47- transmission lever, 48- spring pressuring plate.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing.
As Figure 1-10 shows, the grasping drive unit for detection pushing ram in hole of the utility model comprising：
Lever system 1 is promoted, the pushing ram that multiple bodies of rod 11 including head and the tail connection are constituted, the outer surface of the body of rod 11 is vertically
Multiple open slots 111 are offered, oil pipe pipeline 12 can be pressed into inside open slot 111；
Support system 2, including pedestal 21, universal spherical joint 22, propelling hydraulic cylinder 23 and pushing ram is promoted to replace junction chamber 24,
Pedestal 21 fixes on the ground, and the bottom of propelling hydraulic cylinder 23 is rotatablely connected through universal spherical joint 22 and pedestal 21, pushing ram replacement
Junction chamber 24 is connected with propelling hydraulic cylinder 23；
Aperture support protecting apptss 3, are arranged in the top of pushing ram replacement junction chamber 24, and are used for the aperture of drilling
The body of rod 11 carry out clamp standoff；
The lower section of aperture support protecting apptss 3 is arranged in pressure pipe system 4, and for pipeline 12 to be pressed into open slot 111
In.
The apparatus structure of the utility model is compact, safe operation, and the replacement of pushing ram, joint efficiency are rapidly and efficiently and method
Simple and reliable, operating process intuitively can control.Also, by promoting support system 2, aperture support protecting apptss 3 and pressure pipe system
4 pairs of pushing rams of uniting are driven, are supported and pipeline indentation protection, and stability is high, the pipelines such as protection power source line and oil pipe not
Under the premise of being damaged, meet the needs of the detection load of different drilling depths, it can also enough eliminate people in progradation
For hand-held influence, the authenticity and accuracy of surveyed parameter ensure that, grind in engineering rock mass mechanics parameter drilling in-situ test
Studying carefully aspect has wide applicability and future in engineering applications.
Specifically, propulsion lever system 1 further includes：
Double end single needle conducting wire 13, the inside of the body of rod 11 are equipped with hollow cavity 112, and double end single needle conducting wire 13 is threaded through in hollow
In chamber 112, double end single needle conducting wire 13 includes conducting wire 131, the first conductive pin 132 and the second conductive pin 133, and first is conductive slotting
Needle 132 is connected with the second conductive pin 133 through conducting wire 131；
Single hole line socket 14, is connected to the top of the body of rod 11, and the inside of single hole line socket 14 is equipped with a conducting ring 141
The conductive jack 142 of composition, the first conductive pin 132 are connected through coil 18 with conducting ring 141；
Single needle connecting plug 15；It is connected to the bottom of the body of rod 11, the second conductive pin 133 is threaded through single needle company from inside to outside
On line plug 15, and the second conductive pin 133 is also matched with conductive jack 142；
Retaining mechanism 16, for locking single hole line socket 14 and single needle connecting plug 15 on the two neighboring body of rod 11.
The pipelines such as oil inlet pipe and flowline 12 by being fastened on the open slot of 11 lateral wall of the body of rod by the utility model respectively
In 111, pipeline 12 can either be controlled and do not deviateed in progradation, and energy protective conduit 12 will not be with drilling palisades hair
Raw friction causes to damage, and eliminates security risk.And it is inserted by single needle connecting plug 15, double end single needle conducting wire 13, single hole line
Seat 14 is connected with the body of rod of pushing ram 11 respectively, forms a whole, and double end single needle conducting wire 13 is located at the hollow of the body of rod 11
In inner cavity 112, single hole line socket 14 can be connected with the single needle connecting plug 15 of other bodies of rod 11, make the two neighboring body of rod
11 the first conductive pin 132, the second conductive pin 133 and conductive jack 142 forms current path, has both realized entire dress
The electric current transmission set, and can prevent from leaking electricity；Safety guarantee is provided for drilling in-situ test.
Specifically, retaining mechanism 16 includes locking lantern ring 161 and annular locking groove 162, and locking lantern ring 161 is arranged in list
The lower end of needle connecting plug 15, annular locking groove 162 are arranged in the outer surface of single hole line socket 14, lock lantern ring 161
Conjunction is carved with annular locking 162 phase of groove.In the utility model, by rotating the next body of rod, make the ring lock of the next body of rod
The locking lantern ring 161 of tight groove 162 and the current body of rod carves conjunction, to form locking state.
It is positioned in order to facilitate the connection of single hole line socket 14 and single needle connecting plug 15, the outside of single hole line socket 14
It is symmetrically distributed on wall there are two hole slot 143, clamp button of the spring 144, the tail portion of clamp button of the spring 144 is installed in each hole slot 143
It is connected through spring 145 with hole slot 143, clamp button of the spring 144 can be made to stretch by the compression of spring 145；Clamp button of the spring 144
Head be spherical surface, reduce resistance in sliding process, accordingly set that there are four hole slots on the opening end of single needle connecting plug 15
Opening, clamp button of the spring 144 is matched with the hole channel opening, convenient for the connection of single hole line socket 14 and single needle connecting plug 15
And disengaging；
The inner wall of single needle connecting plug 15 is provided inwardly with symmetrical vertical slide rail 17, vertical slide rail 17 along hole channel opening
Main function be that single hole line socket 14 rotates during being connected and disconnected from single needle connecting plug 15 in order to prevent,
Positioning action is played when connecting simultaneously with external driving power source (propelling hydraulic cylinder), facilitates 14 lateral wall of single hole line socket
On clamp button of the spring 144 single needle connecting plug 15 inner wall slide.And the minimum diameter of vertical slide rail 17 is slightly larger than Spring Card
The maximum outside diameter of button 144, in this way can be to avoid the interference with clamp button of the spring 144.Vertical slide rail 17 is divided for connecting sliding rail 171 and is taken off
From sliding rail 174, the length of connecting sliding rail 171, which is slightly shorter than, is detached from sliding rail 174, and two sliding rails are parallel, and connecting sliding rail 171 and de-
It is connected from an oblique sliding rail 172 is passed through between sliding rail 174, three sliding rails form U-shaped circuit, and oblique sliding rail 172 connects with sliding rail 174 is detached from
It meets place and is equipped with sliding rail card slot 173, sliding rail card slot 173 holds bullet after connecting for single hole line socket 14 with single needle connecting plug 15
Spring buckle 144 makes whole device promote and not rotate in measurement process, is conducive to stability and accuracy；
In order to improve insulating properties and safety, the outer surface installation insulation rubber ring 134 of the second conductive pin 133, conducting ring
141 outer surface installation insulation rubber column gel column 146.
As shown in fig.7, the piston boit of propelling hydraulic cylinder 23, which is equipped with, promotes end 231, the inside of end 231 is promoted to set
There is hollow interior pillar 232, the inside of interior pillar 232 is equipped with conductive ring 233, and the lateral wall of interior pillar 232 is equipped with column
Protrusion 234, conductive ring 233 is matched with the second conductive pin 133 in single needle connecting plug 15 on the body of rod 11 of least significant end, shape
At current path, columnar projections 234 are matched with the vertical slide rail 17 in single needle connecting plug 15 on the body of rod 11 of least significant end, shape
At locking state, to guarantee that pushing ram does not rotate and shakes in progradation.
Specifically, promoting support system 2 further includes fixed valve 25 and piston retaining ring 26, and fixed valve 25 is mounted on pedestal 21
On, and for locking universal spherical joint 22, wherein bevel protractor is additionally provided on universal spherical joint 22；Piston retaining ring 26 is for locking most
Single needle connecting plug 15 and propulsion end 231 on the body of rod 11 of end.The utility model is controlled by adjusting bevel protractor angle
22 rotation direction of flexural pivot processed, and locked and limited with fixed valve 25.
As shown in fig.2, pushing ram replacement junction chamber 24 includes 241 sets of cylindrical tube 241, the cylindrical tube of inner hollow
It is located at the outer surface for promoting lever system 1, and is connected with propelling hydraulic cylinder 23, the lower sides of cylindrical tube 241 are equipped with one
Opening 242, facilitates that pushing ram is replaced and pipeline 12 passes through, and is equipped with pipeline 12 and cylindrical tube in opening 242
Multiple groups fixture 243 is also symmetrically equipped on 241 inner wall, in the present embodiment, fixture 243 is distributed in 241 inner wall of cylindrical tube
Top, middle part and bottom, fixture 243 promote lever system 1 for clamping.
The semicircle card slot 244 that can be docked is additionally provided in the clamp arm Outer tips of fixture 243, semicircle card slot 244 is for clamping
Pipeline 12, to guarantee that pipeline 12 does not deviate in progradation, and the openings of sizes of semicircle card slot 244 is adjustable, in this way
It can be suitably used for the pipeline 12 of different-diameter and model.
Refering to shown in Fig. 7-8, aperture support protecting apptss 3 include：
Fixed frame 31, is fixed on the aperture location of drilling, and fixed frame 31 is hollow circular ring, circular ring it is interior
Portion's middle position is equipped with partition 32；
It is classified chuck 33, is symmetrically mounted at the two sides up and down of partition 32, and the center position for being classified chuck 33 is also set
There is rotary stopper ring 34, lever system 1 is promoted to be threaded through in rotary stopper ring 34；
It is classified sliding rail 35, is symmetrically disposed on the diameter line of classification chuck 33, classification sliding rail 35 is equipped with classification card column
36, classification card column 36 is slidably connected with classification sliding rail 35.
In the utility model, by classification card column 36 along classification sliding rail 35 slide, realize to promote lever system 1 clamping or
It loosens, to be able to maintain the structural stability and safety of system when replacing pushing ram.
In order to be able to achieve multistage clamping, expand the scope of application of the utility model, classification card column 36 includes first order card column
361, second level card column 362 and third level card column 363, first order card column 361 are nested in second level card column 362, second level card
Column 362 is nested in third pole card column 363, and the first order to third level card column (361-363) can be along corresponding classification sliding rail
35 slidings.Different-diameter, pushing ram of different shapes can be clamped by adjusting every level-one card column sliding position.
Aperture support protecting apptss 3 further include internal diameter regulating mechanism, and internal diameter regulating mechanism includes adjusting limiting slot 37 and adjusting
Screw 38 is saved, limiting slot 37 is adjusted and is arranged between two neighboring classification card column 36, the setting of screw 38 is adjusted and is adjusting limiting slot
In 37, and the inner diameter size for adjusting rotary stopper ring 34.Promote various sizes of components in lever system 1 logical to facilitate
It crosses.
It in the utility model, controls, is equipped in classification chuck 33, rotary stopper ring 34 and classification card column 36 for convenience
Asphalt channel, and be classified on chuck 33 and be additionally provided with oil inlet 39 and oil outlet 40, oil inlet 39 and oil outlet 40 and asphalt channel
It is connected.
As shown in fig.9, pressure pipe system 4 includes：
Fixed link 41 is fixed on the lower section of aperture support protecting apptss 3；
Metallic sheath 42 is connected through horizontal displacement regulating mechanism 43 and vertical displacement regulating mechanism 44 with fixed link 41 respectively
It connects, is symmetrically opened up on metallic sheath 42 there are two the sliding slot 45 that is open, opening sliding slot 45 is obliquely outward, wherein horizontal displacement
Regulating mechanism 43 and vertical displacement regulating mechanism 44 are respectively used to adjusting 42 level of metallic sheath and move left and right and move up and down vertically；
Two pulleys 46 are mounted on correspondingly in opening sliding slot 45, and pulley 46 is slidably connected with opening sliding slot 45, and
Pulley 46 is corresponding with the open slot 111 of the body of rod 11 and two pulleys 46 between be also connected by transmission lever 47；This is practical
Novel pulley 46 is designed to that intermediate protrusion, both sides concave shape facilitate in progradation and pipeline 12 are pressed into open slot 111
It is interior, it guards against deviations simultaneously；
Spring pressuring plate 48, is arranged in the two sides axle portion of each pulley 46, and spring pressuring plate 48 is used for driving pulley 46 after stress
It is slided along opening sliding slot 45.
In the utility model, after 46 stress of pulley, it can be moved along opening sliding slot 45, drive transmission lever 47, transmission lever 47
The pulley 46 of the other side can move round about, and two pulleys 46 coordinate movement, meanwhile, spring pressuring plate 48 is in 46 stress of pulley
Afterwards, 46 decrement of pulley can be adjusted by self-deformation, pipeline 12 is fully pressed into open slot 111.
In the utility model, horizontal displacement regulating mechanism 43 includes vertical adjustment sliding block 431, brace 432 and telescopic mast
433, fixed link 41 is equipped with the vertical chute 411, and one end of brace 432 is slided through vertical adjustment sliding block 431 and the vertical chute 411
Connection, the middle part of the other end and telescopic mast 433 is hinged, the both ends of telescopic mast 433 respectively with fixed link 41 and metallic sheath 42
It is connected.It is slided by driving vertical adjustment sliding block 431 along the vertical chute 411, drives brace 432 to stretch or compress and stretch
Contracting column 433 changes the horizontal position of metallic sheath 42, so as to adjust the horizontal position of pulley 46, make it is suitable for different model and
The pipeline 12 of position is pressed into.
In order to facilitate control, and guarantee the stability of structure, a unlock pressing plate is additionally provided on vertical adjustment sliding block 431
434, unlock pressing plate 434 is for locking and unlocking vertical adjustment sliding block 431, to control the sliding of sliding block 431.
In embodiment, vertical displacement regulating mechanism 44 includes sliding bearing 441, and one end of telescopic mast 433 is through sliding bearing
441 are slidably connected with the vertical chute 411.By 411 sliding along the vertical chute of driving sliding bearing 441, pulley 46 can be adjusted
Vertical position, make that it is suitable for the indentations of the pipeline 12 of different model and position.
As shown in fig.10, the application method of grasping drive unit of the utility model for detecting pushing ram in hole,
Include the following steps：
The first step, fixed propulsion support system 2, and so that the propulsion end of 23 extension end of propelling hydraulic cylinder is directed at country rock and bore
Hole；The pedestal 21 for promoting support system 2 is bolted on ground, the bevel protractor on universal spherical joint 22 is adjusted, makes to promote
The propulsion end of 23 extension end of hydraulic cylinder is directed at wall rock drill-hole, then closes fixed valve 25, guarantees that support system is promoted to stablize
It is motionless；Finally, pushing ram replacement junction chamber 24 is mounted on propelling hydraulic cylinder piston boit.
Second step, fixed orifice support protecting apptss 3 and pressure pipe system 4；By the hydraulic graduation of aperture support protecting apptss 3
Chuck 33 is fixed on 32 upper and lower ends of partition of fixed frame, and blending bolt anchors, meanwhile, pressure pipe system 4 is fixed on fixed frame
Aperture support protecting apptss 3 after assembling are then mounted on the lifting branch for promoting support system pedestal 21 by 31 lower section
It on frame, and is sent it at wall rock drill-hole mouth by lifting support, is fixed on it at outer wall of hell；
Third step installs pushing ram, loading system and borehole television in pushing ram replacement junction chamber 24；It specifically includes：It will
One end of first pushing ram is connected with loading system and borehole television；Then, assembled first pushing ram is passed through
The sidewall opening of replacement junction chamber 24, which is mounted on, to be promoted on end, and rotary-piston retaining ring 26 is locked.
4th step, pipe laying 12；It specifically includes：Pipeline 12 is replaced to the opening of 24 side wall of junction chamber by pushing ram
Deeply be connected with the pressure chamber of loading system, adjust 244 size of semicircle card slot that fixture tip two sides are docked, make pipeline 12 can be with
It freely pulls wherein.
Loading system and borehole television are passed completely through aperture support protecting apptss 3 into drilling by the 5th step；Specific packet
It includes：Propelling hydraulic cylinder 23 is opened, oil pressure loading speed is set, releases the piston of propelling hydraulic cylinder 23 slowly, meanwhile, it will promote
Bar and loading system connected to it and borehole television are raised close to hell, in the loading system of the drill hole of pushing ram end
After passing through the entrance hell of aperture support protecting apptss 2 completely with borehole television, stop promoting.
6th step, in progradation, by pressure pipe system 4 will pipeline 12 be pressed into pushing ram open slot 111 in；It opens
The video acquisition unit of borehole television adjusts the flexible of pressure pipe system by the feature of camera start recording surrounding rock in drilling hole
Column 433 is pressed into pulley 46 in open slot 111 pipeline 12 under spring pressuring plate effect, when the tail portion lock sleeve of pushing ram
When ring 161 is close to pulley, stop promoting.
7th step, the increased pushing ram of installation；The locking switch of classification chuck 33 is opened, two classification chucks up and down are controlled
Classification card column 36 shrink, pushing ram is clamped, make its keep stablize；The piston retaining ring 26 of propelling hydraulic cylinder is rotated, and is beaten
The oil return apparatus controller for opening propelling hydraulic cylinder 23 makes that end is promoted slowly to move down, and separates with pushing ram, works as propelling hydraulic cylinder
After 23 move down into initial position, oil return control valve is closed；Pushing ram is installed again, and opens the inlet valve of propelling hydraulic cylinder 23
Door, rises pushing ram slowly, when the single hole line socket 14 of second pushing ram is inserted into the list of first pushing ram tail portion
After on needle connecting plug 15, propelling hydraulic cylinder 23 stops lifting, rotates second pushing ram, makes itself and first pushing ram tail portion
Locking lantern ring 161 carves merging and forms locking state, finally, the classification card column 36 of classification chuck is opened in control, is pushing away pushing ram
Under the promotion of inlet hydraulic cylinder 23, drilling depths is progressed into.
At 8th step, the drilling country rock measured needed for reaching, load measurement is carried out；Repetitive operation reaches until loading system
At the drilling country rock of required measurement, the classification card column 36 for controlling two classification chucks is shunk, and pushing ram is clamped, and is carried out to country rock
It loads and records a video.
Dismantling recycling is carried out to device after the completion of 9th step, test.It specifically includes：Same drilling different depth country rock is surveyed
After the completion of examination, the oil return valve of propelling hydraulic cylinder 23 is opened, the classification card column 36 of classification chuck is opened, returns single unit system slowly
It falls, and dismantles pushing ram section by section, until final section disassembly finishes, and pipeline consolidation is recycled；By lifting support by aperture
Support protecting apptss 3 drop to ground, and are disassembled；Finally, opening the fixation promoted on 2 universal spherical joint 22 of support system
Valve recalls to propelling hydraulic cylinder 23 to initial position, meanwhile, the disassembly of pedestal 21 is placed into external reserve tank.
Claims (9)
1. a kind of for detecting the grasping drive unit of pushing ram in hole, which is characterized in that it includes promoting lever system, promoting branch
Support system, aperture support protecting apptss and pressure pipe system four are most of, wherein：
(1) the propulsion lever system described in, the pushing ram and retaining mechanism that multiple bodies of rod including head and the tail connection are constituted；
Multiple open slots are vertically offered in the outer surface of the body of rod, oil pipe pipeline can be pressed into inside open slot；
Double end single needle conducting wire is equipped in the intracorporal hollow cavity of bar, double end single needle conducting wire is connected separately at conducting wire both ends
First conductive pin and the second conductive pin；
Single hole line socket is connected at the top of the body of rod, the inside of single hole line socket is equipped with the conduction being made of conducting ring and inserts
Hole, the first conductive pin are connected through coil with conducting ring；Hole there are two being symmetrically distributed on the lateral wall of single hole line socket
Slot is equipped with clamp button of the spring in each hole slot, and the tail portion of the clamp button of the spring is connected through spring with the hole slot, described
The head of clamp button of the spring is spherical surface, accordingly sets that there are four hole channel openings on the opening end of the single needle connecting plug, described
Clamp button of the spring is matched with the hole channel opening, convenient for being connected and disconnected from for single hole line socket and single needle connecting plug；
It is connected with single needle connecting plug in the bottom of the body of rod, the second conductive pin is threaded through from inside to outside on single needle connecting plug,
And second conductive pin also matched with conductive jack；The inner wall of single needle connecting plug is provided inwardly with symmetrical along hole channel opening
Vertical slide rail, the main function of vertical slide rail is that single hole line socket is being connected and disconnected from single needle connecting plug in order to prevent
Positioning action is played when rotating, while connecting in the process with external driving power source, is facilitated on the outside of single hole line socket
The inner wall sliding for being buckled in single needle connecting plug on wall；Vertical slide rail is divided into connecting sliding rail and is detached from sliding rail, and connecting sliding rail
And be detached between sliding rail and be connected by an oblique sliding rail, three sliding rails form U-shaped circuit, and the minimum diameter of sliding rail is slightly larger than Spring Card
The maximum outside diameter of button；Oblique sliding rail and disengaging sliding rail junction are equipped with sliding rail card slot, and sliding rail card slot is used for single hole line socket and list
Clamp button of the spring is held after the connection of needle connecting plug, so that whole device is being promoted and is not being rotated in measurement process, is conducive to steady
Qualitative and accuracy；
The retaining mechanism, for locking single hole line socket and single needle connecting plug on the two neighboring body of rod；Specific knot
Structure is：It is equipped with annular locking groove in the outer surface of single hole line socket, is equipped with and annular in the lower end of single needle connecting plug
Locking groove mutually carves the locking lantern ring of conjunction；
(2) the propulsion support system described in, including pedestal, universal spherical joint, propelling hydraulic cylinder and pushing ram replace junction chamber, promote
Hydraulic cylinder is rotatably connected on pedestal through universal spherical joint, and pushing ram replacement junction chamber is connected with propelling hydraulic cylinder；Wherein：
The piston boit of the propelling hydraulic cylinder, which is equipped with, promotes end, and the inside of end is promoted to be equipped with hollow interior pillar, convex
The inside of column is equipped with conductive ring, and the lateral wall of interior pillar is equipped with columnar projections, and the single needle on conductive ring and the aperture body of rod connects
The second conductive pin in line plug matches, columnar projections and the vertical slide rail phase in single needle connecting plug on the orifice end body of rod
Cooperation；
The pushing ram replacement junction chamber is that the outer surface of lever system is being promoted to be arranged with the cylinder being connected with propelling hydraulic cylinder
Cylinder, the lower sides of cylindrical tube are equipped with an opening, and pipeline is worn in the opening；On the inner wall of cylindrical tube also symmetrically
Lever system is promoted for clamping equipped with multiple groups fixture, the clamp arm Outer tips of fixture are equipped with the semicircle card slot that can be docked, semicircle card
For slot for clamping pipeline, the openings of sizes of semicircle card slot is adjustable；
(3) top of pushing ram replacement junction chamber is arranged in, to drilling orifice in the aperture support protecting apptss described in
The body of rod carries out clamp standoff；
(4) the pressure pipe system described in, is arranged in the lower section of aperture support protecting apptss, for pipeline to be pressed into the opening of the body of rod
In slot.
2. as described in claim 1 for detecting the grasping drive unit of pushing ram in hole, which is characterized in that supported promoting
System base is equipped with the fixed valve of locking universal spherical joint, and bevel protractor is additionally provided on universal spherical joint.
3. as described in claim 1 for detecting the grasping drive unit of pushing ram in hole, which is characterized in that promoting end
It is arranged with piston retaining ring, piston retaining ring is for locking single needle connecting plug on the body of rod of aperture and promoting end.
4. as described in claim 1 for detecting the grasping drive unit of pushing ram in hole, which is characterized in that the aperture
Support protecting apptss structure is：Fixed frame, classification chuck and classification sliding rail and internal diameter including being fixed on aperture location are adjusted
Mechanism；Wherein：
The fixed frame is circular ring, is equipped with partition at the bosom position of circular ring；In the two sides up and down of partition
Classification chuck is symmetrically installed, the center position for being classified chuck is additionally provided with rotary stopper ring, and lever system is promoted to be threaded through rotation
Turn in stop collar；Classification sliding rail is symmetrically provided on the diameter line of classification chuck, classification sliding rail is equipped with classification card column, point
Grade card column includes first order card column, second level card column and third level card column, and the first order card column is nested in the card column of the second level,
Second level card column is nested in the card column of third pole, and the first order to third level card column can be slided along corresponding classification sliding rail；
The internal diameter regulating mechanism includes adjusting limiting slot and adjusting screw, adjusts limiting slot setting and blocks in two neighboring classification
Between column, screw setting is adjusted in adjusting limiting slot, for adjusting the inner diameter size of rotary stopper ring；
It is equipped with asphalt channel in above-mentioned classification chuck, rotary stopper ring and classification card column, and is additionally provided on the classification chuck
Oil inlet and oil outlet, the oil inlet and oil outlet are connected with the asphalt channel.
5. as described in claim 1 for detecting the grasping drive unit of pushing ram in hole, which is characterized in that the pressure pipe
System includes fixed link, metallic sheath, two pulleys and spring pressuring plate；
The fixed link is fixed on the lower section of above-mentioned aperture support protecting apptss；
The metallic sheath is connected through horizontal displacement regulating mechanism and vertical displacement regulating mechanism with above-mentioned fixed link respectively,
Metallic sheath level is adjusted respectively by two regulating mechanisms to move left and right and vertically move up and down；It is symmetrically offered on metallic sheath
Two opening sliding slots, opening sliding slot are obliquely outward；
Two pulleys are mounted in opening sliding slot correspondingly and are slidably connected with opening sliding slot, and pulley and the body of rod
Open slot it is corresponding, be also connected by transmission lever between two pulleys；
The spring pressuring plate, is arranged in the two sides axle portion of each pulley, and spring pressuring plate drives the pulley edge after being used for stress
The opening sliding slot sliding.
6. as claimed in claim 5 for detecting the grasping drive unit of pushing ram in hole, which is characterized in that the level
Being displaced regulating mechanism structure is：Including vertical adjustment sliding block, brace and telescopic mast, it is equipped in the fixed link of pressure pipe system vertical
One end of sliding slot, brace is slidably connected through vertical adjustment sliding block with the vertical chute, is hinged in the middle part of the other end and telescopic mast,
The both ends of telescopic mast are connected with the metallic sheath of fixed link and pressure pipe system respectively.
7. as claimed in claim 5 for detecting the grasping drive unit of pushing ram in hole, which is characterized in that described is vertical
Displacement regulating mechanism includes sliding bearing, and telescopic mast one end of horizontal displacement regulating mechanism is vertical through sliding bearing and fixed link
Sliding slot is slidably connected.
8. as claimed in claim 5 for detecting the grasping drive unit of pushing ram in hole, which is characterized in that in vertical adjustment
A unlock pressing plate is additionally provided on sliding block.
9. as claimed in claim 5 for detecting the grasping drive unit of pushing ram in hole, which is characterized in that the pulley
Prominent among at wheel rim, two sides are recessed inwardly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820608206.6U CN208106362U (en) | 2018-04-25 | 2018-04-25 | A kind of grasping drive unit for detection pushing ram in hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820608206.6U CN208106362U (en) | 2018-04-25 | 2018-04-25 | A kind of grasping drive unit for detection pushing ram in hole |
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| CN208106362U true CN208106362U (en) | 2018-11-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643853A (en) * | 2018-04-25 | 2018-10-12 | 山东科技大学 | A kind of bore detecting loading equipemtn grasping drive unit and its application method |
| CN110161567A (en) * | 2019-05-09 | 2019-08-23 | 山东大学 | The portable quick laying electrode assembly of induced polarization and method suitable for the tunnel TBM |
| CN111577185A (en) * | 2020-06-08 | 2020-08-25 | 四川大学 | Quick-connection type center rod pulling structure and split type fidelity corer pressure experiment structure |
| CN114563212A (en) * | 2022-04-22 | 2022-05-31 | 河南省地质矿产勘查开发局第四地质矿产调查院 | Hydrogeology detects sampling device |
| CN115406707A (en) * | 2022-10-11 | 2022-11-29 | 九江市农业科学院 | Soil detection device for rice planting |
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2018
- 2018-04-25 CN CN201820608206.6U patent/CN208106362U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643853A (en) * | 2018-04-25 | 2018-10-12 | 山东科技大学 | A kind of bore detecting loading equipemtn grasping drive unit and its application method |
| CN110161567A (en) * | 2019-05-09 | 2019-08-23 | 山东大学 | The portable quick laying electrode assembly of induced polarization and method suitable for the tunnel TBM |
| CN111577185A (en) * | 2020-06-08 | 2020-08-25 | 四川大学 | Quick-connection type center rod pulling structure and split type fidelity corer pressure experiment structure |
| CN111577185B (en) * | 2020-06-08 | 2023-08-15 | 四川大学 | Quick-connection type center rod pulling structure and pressure experimental structure of split-type fidelity corer |
| CN114563212A (en) * | 2022-04-22 | 2022-05-31 | 河南省地质矿产勘查开发局第四地质矿产调查院 | Hydrogeology detects sampling device |
| CN115406707A (en) * | 2022-10-11 | 2022-11-29 | 九江市农业科学院 | Soil detection device for rice planting |
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