CN115506779A - Four-wheel extrusion drive injection device and injection method - Google Patents
Four-wheel extrusion drive injection device and injection method Download PDFInfo
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- CN115506779A CN115506779A CN202211400370.5A CN202211400370A CN115506779A CN 115506779 A CN115506779 A CN 115506779A CN 202211400370 A CN202211400370 A CN 202211400370A CN 115506779 A CN115506779 A CN 115506779A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/001—Survey of boreholes or wells for underwater installation
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/001—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells specially adapted for underwater installations
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Abstract
The invention discloses a four-wheel extrusion drive injection device, which comprises: a base; the four extrusion wheels are arranged above the base, are symmetrically arranged in a cross shape, are vertically arranged on two end faces of each extrusion wheel, form a probe rod clamping part in wheel edge gaps of the four extrusion wheels, and can synchronously move away from or close to the extrusion wheels along the cross route where the extrusion wheels are located; the displacement power structure drives the four extrusion wheels to synchronously move away from or close to each other at the same height; and the rotating power structure drives the four extrusion wheels to synchronously rotate at the same height, and every two symmetrical extrusion wheels have the same rotating speed and opposite rotating directions so as to drive the probe rod to move upwards or downwards. The four extrusion wheels are adopted to drive the probe rod to generate the penetration force, so that the probe rod is stressed on four symmetrical stress points in the same size and in the same direction, the probe rod cannot be bent and broken due to uneven stress in the penetration process, the penetration force is greatly increased, and the penetration depth is improved.
Description
Technical Field
The invention relates to the technical field of ocean exploration. More particularly, the present invention relates to a four-wheel squeeze-drive penetration device and a penetration method.
Background
The static sounding test, one of the common in-situ test means for offshore engineering exploration, is one of the important means for obtaining the in-situ soil characteristics, and the static sounding refers to a method for obtaining the physical and mechanical characteristics of a soil layer by penetrating a probe rod into the deep part of the soil layer by using a pressure device. The common penetration modes of the offshore static sounding equipment include: seabed type, underground type, lifting platform type. Seabed formula, underground formula, lifting platform formula all adopt two symmetrical drive structures to penetrate the probe rod, and the probe rod is easy the atress inhomogeneous at the penetration in-process, takes place to buckle, breaks, shortens probe rod life weak point.
Disclosure of Invention
The invention provides a four-wheel extrusion driving injection device and an injection method, wherein four extrusion wheels are adopted to drive to generate injection force, so that the probe rod is stressed equally in four symmetrical directions and is not easy to bend and break, the injection force is greatly increased, and the injection depth is greatly guaranteed.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a four-wheel squeeze-drive penetration device, comprising:
the base is arranged on the seabed, and a reserved hole is formed in the center of the bottom of the base;
the four extrusion wheels are arranged above the base, the four extrusion wheels are symmetrically arranged in a cross shape, two end faces of each extrusion wheel are vertically placed, wheel side gaps of the four extrusion wheels form a probe clamping part, the probe clamping part is positioned above the reserved hole, and the probe sequentially penetrates through the probe clamping part and the reserved hole from top to bottom;
the displacement power structure is connected with the four extrusion wheels and drives the four extrusion wheels to synchronously move close to or away from each other at the same height, so that the probe rod clamping part clamps or loosens the probe rod;
the rotating power structure is connected with the four extrusion wheels, the four extrusion wheels are driven by the rotating power structure to synchronously rotate at the same height, and every two symmetrical extrusion wheels have the same rotating speed and opposite rotating directions so as to drive the probe rod to move upwards or downwards.
Preferably, the four-wheel press drive penetration device further comprises:
the outer frame is fixed on the base and covers the four extrusion wheels, the displacement power structure and the rotating power structure;
and the lifting device is fixed at the top of the outer frame.
Preferably, the specific connection mode of the displacement power structure and the four extrusion wheels is as follows: the displacement power structure comprises a pair of upper oil cylinders, a pair of upper oil cylinder holding clamps, a pair of lower oil cylinders and a pair of lower oil cylinder holding clamps, the pair of upper oil cylinders and the pair of lower oil cylinders are vertically arranged in a 'well' shape and form a penetrating space of a probe rod from top to bottom, the upper ends of the pair of upper oil cylinder holding clamps are respectively hinged with piston rods and cylinder seats of the pair of upper oil cylinders, the middle parts of the pair of upper oil cylinder holding clamps are connected with wheel shafts of a pair of extrusion wheels on the same vertical surface, the lower parts of the pair of upper oil cylinder holding clamps are hinged with the base, the upper ends of the pair of lower oil cylinder holding clamps are respectively hinged with piston rods and cylinder seats of the pair of lower oil cylinders, the middle parts of the pair of lower oil cylinder holding clamps are connected with wheel shafts of the other pair of extrusion wheels on the same vertical surface, the lower parts of the pair of lower oil cylinder holding clamps are hinged with the base, and the pair of upper oil cylinders and the pair of lower oil cylinders synchronously perform telescopic motion to drive the pair of upper oil cylinder holding clamps and the pair of lower oil cylinders to synchronously perform far-away or close motion of the four extrusion wheels.
Preferably, the specific mode of connecting the rotating power structure with the four extrusion wheels is as follows: the rotating power structure comprises four hydraulic motors, an output shaft of one hydraulic motor is connected with one extrusion wheel, the four hydraulic motors rotate synchronously to drive the four extrusion wheels corresponding to the four hydraulic motors to rotate at the same speed, and the probe rod clamping part is driven to downwards extrude the probe rod or upwards pull the probe rod.
Preferably, the upper oil cylinder holding clamp comprises a pair of upper oil cylinder swing arms, the lower oil cylinder holding clamp comprises a pair of lower oil cylinder swing arms, the upper ends of the pair of upper oil cylinder swing arms are hinged with piston rods or cylinder seats of the pair of upper oil cylinders through pin shafts, the middle parts of the pair of upper oil cylinder swing arms are connected with a wheel shaft of an extrusion wheel on the same vertical surface, the lower parts of the pair of upper oil cylinder swing arms are hinged with the base through fixing seats, the upper ends of the pair of lower oil cylinder swing arms are hinged with the piston rods or cylinder seats of the pair of lower oil cylinders through pin shafts, the middle parts of the pair of lower oil cylinder swing arms are connected with a wheel shaft of an extrusion wheel on the same vertical surface, and the lower parts of the pair of lower oil cylinder swing arms are hinged with the base through fixing seats.
Preferably, four hydraulic motor dispose the supply oil synchronizer, and a pair of upper cylinder, a pair of lower cylinder all adopt parallel pipeline oil feed simultaneously.
Preferably, the extrusion wheel is provided with gear hobbing on the wheel edge, and gears are arranged on two sides of the gear hobbing.
Preferably, the probe rod comprises a plurality of sub-probe rods which are sequentially and vertically connected.
The four-wheel extrusion drive penetration method applying the four-wheel extrusion drive penetration device comprises the following steps:
the first step is as follows: the displacement power structure drives the four extrusion wheels to move far away, a probe rod clamping part is enlarged, the probe rod extends into the probe rod clamping part, the displacement power structure drives the four extrusion wheels to move close to each other, and the probe rod clamping part clamps the probe rod;
the second step: the rotating power structure drives the four extrusion wheels to synchronously rotate towards the direction of the probe rod clamping part at the same height, the four extrusion wheels generate downward penetration force, the probe rod penetrates downwards, and the rotation of the hydraulic motor is stopped after the probe rod penetrates in place.
The pulling-out steps of the probe rod are as follows:
the first step is as follows: the rotating power structure drives the four extrusion wheels to synchronously rotate in the opposite direction to the probe rod clamping part at the same height, the four extrusion wheels generate upward pulling force, and the probe rod is pulled upward until the probe rod is pulled up;
the second step is that: the displacement power structure drives the four extrusion wheels to move away, the clamping part of the probe rod is enlarged, and the probe rod is unloaded.
The invention at least comprises the following beneficial effects:
firstly, the four extrusion wheels are adopted to drive to generate the penetration force, the four extrusion wheels increase the downward friction force of the probe rod when rotating, the four extrusion wheels are symmetrically arranged and synchronously rotate, so that the probe rod is positioned on four symmetrical stress points, the stress is the same in size and the direction is consistent, the probe rod cannot be bent and broken due to uneven stress in the penetration process, the penetration force is greatly increased, and the penetration depth is improved.
The second, through for four hydraulic motor configuration oil feed synchronizers, the oil feed synchronizer makes four hydraulic motor's oil mass the same, and four hydraulic motor's rotational speed is the same, and output torque is the same, makes four extrusion wheel rotational speeds the same, makes the penetrating force size that the probe rod received at four point atresss equal.
And thirdly, the pair of upper oil cylinders and the pair of lower oil cylinders adopt parallel pipelines to simultaneously feed oil, so that the pair of upper oil cylinders have the same oil feeding amount, and the pair of lower oil cylinders have the same oil feeding amount. Under the action of the pair of upper oil cylinders, the pair of lower oil cylinders, the pair of upper oil cylinder clamps and the pair of lower oil cylinder clamps, the clamping force of the probe rod in four directions is equal, and under the condition that the four extrusion wheels rotate at the same speed, the stress of the probe rod is ensured to be equal, the bending of the probe rod is avoided, and the service life of the probe rod is prolonged.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a side view of a displacement power configuration according to the present invention;
FIG. 3 is a top view of the rotary power structure of the present invention;
fig. 4 is a partially enlarged view of the probe clamping portion according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or combinations thereof.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. Specific meanings of the following terms in the present invention can be understood in specific cases by those skilled in the art. The terms "lateral," "longitudinal," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 3, the present invention provides a four-wheel squeeze-drive penetration device, comprising:
the base 7 is arranged on the seabed, and a reserved hole 15 is formed in the center of the bottom of the base. Set up the skirtboard below base 7, base 7 passes through the skirtboard to be installed on the seabed, install four squeeze wheels 2 on the base 7, displacement power structure 3, rotation power structure 4 and outer frame 6, there is preformed hole 15 at base 7 center, probe rod 1 top-down passes probe rod clamping part 8 and preformed hole 15 in proper order and injects under the seabed, base 7 is the basis of whole four-wheel extrusion drive injection device, play firm centrobaric effect, the area of contact of base 7 with the seabed is increased in the effect of skirtboard.
Four extrusion wheel 2, it sets up in base 7 top, four extrusion wheel 2 are the vertical placing of both ends face that the cross symmetry set up and every extrusion wheel 2, and the wheel limit space of four extrusion wheel 2 forms probe rod clamping part 8, probe rod clamping part 8 is located preformed hole 15's top, probe rod 1 top-down pass probe rod clamping part 8 and preformed hole 15 in proper order. Four extrusion wheels 2 are arranged on a base 7, wheel-side gaps of the four extrusion wheels 2 form a probe clamping part 8, and the probe clamping part 8 can be expanded or reduced. After the probe clamping portion 8 is enlarged, the probe 1 sequentially penetrates through the probe clamping portion 8 and the reserved hole 15 from top to bottom, then the probe clamping portion 8 is reduced, the probe 1 is clamped, the four extrusion wheels 2 synchronously rotate towards the probe clamping portion 8, the probe 1 is extruded downwards, and the probe 1 is enabled to penetrate downwards into the seabed. The four extrusion wheels 2 play a role in clamping the probe rod 1 and penetrating the probe rod 1 downwards. The four squeezing wheels 2 synchronously move close to or away from each other along the cross-shaped route where the four squeezing wheels are located, so that the probe rod clamping part 8 is shrunk or expanded. When the four extrusion wheels 2 synchronously move close to each other along the cross-shaped route where the four extrusion wheels are located, the probe rod clamping part 8 is shrunk, and the probe rod 1 is clamped by the probe rod clamping part 8; when the four squeezing wheels 2 move away from each other along the cross-shaped path, the probe rod clamping part 8 is enlarged, and the probe rod 1 can be inserted or pulled out. The four extrusion wheels 2 are symmetrically arranged, so that the probe rod 1 is stressed in four symmetrical directions, and the bending and the breakage of the probe rod 1 due to uneven stress are avoided.
And the displacement power structure 3 is connected with the four extrusion wheels 2, and the displacement power structure 3 drives the four extrusion wheels 2 to synchronously move close to or away from each other at the same height, so that the probe rod clamping part 8 clamps or loosens the probe rod 1. The displacement power structure 3 is the driving force for synchronously moving the four extrusion wheels 2 to approach or move away. When the displacement power structure 3 drives the four extrusion wheels 2 to synchronously move close to each other along the cross-shaped route where the extrusion wheels are located, the probe rod clamping part 8 is shrunk, and the probe rod 1 can be clamped at the moment; when the displacement power structure 3 drives the four extrusion wheels 2 to synchronously move away, the probe rod clamping part 8 is expanded, and the probe rod 1 can be inserted or pulled out at the moment. The driving force provided by the displacement power structure 3 to the four extrusion wheels 2 is equal, so that the probe clamping part 8 is always in the central position, and meanwhile, the stress of the probe 1 in four symmetrical directions is equal, and the bending and the fracture of the probe 1 due to uneven stress are avoided. The displacement power structure 3 can be a device capable of generating driving force such as mechanical transmission, hydraulic transmission, motor transmission and the like, and can be arranged in a horizontal direction, an obliquely upper direction, an obliquely lower direction and other directions of the four extrusion wheels 2.
The rotating power structure 4 is connected with the four extrusion wheels 2, the rotating power structure 4 drives the four extrusion wheels 2 to synchronously rotate at the same height, and the rotating speeds and the rotating directions of every two symmetrical extrusion wheels 2 are the same and opposite so as to drive the probe rod 1 to move upwards or downwards. The rotating power structure 4 is a driving force for the rotation of the four extrusion wheels 2, the rotating power structure 4 drives the four extrusion wheels 2 to rotate towards the direction of the probe clamping part 8 at the same speed, and the four extrusion wheels 2 generate four downward penetrating forces with equal size and consistent direction, so that the probe 1 penetrates downwards; the rotating power structure 4 drives the four extrusion wheels 2 to rotate in the same speed and opposite directions to the probe clamping part 8, and the four extrusion wheels 2 generate four pulling forces which are equal in size and consistent in direction and upwards, so that the probe 1 is pulled upwards. The rotary power structure 4 may be a mechanical transmission, a hydraulic transmission, a motor transmission, etc. which can generate a driving force.
In above-mentioned technical scheme, displacement power structure 3 drive probe rod clamping part 8 enlarges, and probe rod 1 inserts probe rod clamping part 8, and displacement power structure 3 drive probe rod clamping part 8 reduces, presss from both sides tight probe rod 1, and rotation power structure 4 drives four extrusion wheels 2 and rotates to probe rod clamping part 8 direction with the same speed, produces four equal equidirectional unanimous decurrent injection forces of size, and probe rod 1 is run into downwards. Four extrusion wheel 2 symmetries set up, under the effect of removal power structure 3 and rotation power structure 4 on the throne, four extrusion wheel 2 equal to probe rod 1's clamp force, and four extrusion wheel 2 equal to probe rod 1's penetrating power, make probe rod 1 on the stress point of four symmetries, the atress size equals, and probe rod 1 can not be because of the atress inequality bending fracture at the in-process that penetrates, makes the penetrating power very increase simultaneously, increases the penetration depth.
In another aspect, a four-wheel extrusion drive injection apparatus further comprises:
and the outer frame 6 is fixed on the base 7 and covers the four extrusion wheels 2, the displacement power structure 3 and the rotating power structure 4. The outer frame 6 protects the four extrusion wheels 2, the displacement power structure 3 and the rotation power structure 4.
A lifting device 5 fixed on top of the outer frame 6. The engineering ship is provided with a hoisting winch, and the hoisting winch hoists the lifting device 5 to hoist the four-wheel extrusion drive penetration device to the seabed.
In another technical scheme, the specific connection mode of the displacement power structure 3 and the four extrusion wheels 2 is as follows: the displacement power structure 3 comprises a pair of upper oil cylinders 9, a pair of upper oil cylinder clasps 11, a pair of lower oil cylinders 10 and a pair of lower oil cylinder clasps 12, the pair of upper oil cylinders 9 and the pair of lower oil cylinders 10 are vertically arranged in a shape like a Chinese character 'jing', a penetrating space of the probe rod 1 from top to bottom is formed, the upper ends of the pair of upper oil cylinder clasps 11 are respectively hinged with piston rods and cylinder seats of the pair of upper oil cylinders 9, the middle parts of the pair of upper oil cylinder clasps 11 are connected with wheel shafts of the pair of extrusion wheels 2 on the same vertical surface, the lower parts of the pair of upper oil cylinder clasps 11 are hinged with the base 7, the upper ends of the pair of lower oil cylinder clasps 12 are respectively hinged with piston rods and cylinder seats of the pair of lower oil cylinders 10, the middle parts of the pair of lower oil cylinder clasps 12 are connected with wheel shafts of the other pair of extrusion wheels 2 on the same vertical surface, the lower parts of the pair of lower oil cylinder clasps 12 are hinged with the base 7, the pair of upper oil cylinders 9 and the pair of lower oil cylinders 10 synchronously make telescopic motion, the pair of upper oil cylinder clasps 11 and the pair of lower oil cylinder clasps 12 drive the pair of upper oil cylinder clasps 11 and the pair of lower oil cylinder clasps 12 to synchronously make the four extrusion wheels move away from or approach synchronously. The pair of upper oil cylinders 9 and the pair of lower oil cylinders 10 drive the four extrusion wheels 2 to move away from or close to each other through the pair of upper oil cylinder clamps 11 and the pair of lower oil cylinder clamps 12. The piston rods of the pair of upper oil cylinders 9 and the pair of lower oil cylinders 10 synchronously perform stretching movement to drive the pair of upper oil cylinder clamps 11 and the pair of lower oil cylinder clamps 12 to perform far movement to drive the four extrusion wheels 2 to perform far movement, the probe rod clamping part 8 is expanded, and the probe rod 1 can be inserted or pulled at the moment; the piston rods of the pair of upper oil cylinders 9 and the pair of lower oil cylinders 10 synchronously contract to drive the pair of upper oil cylinder clamps 11 and the pair of lower oil cylinder clamps 12 to move close to each other, so that the four extrusion wheels 2 are driven to move close to each other, the probe rod clamping part 8 is reduced, and the probe rod 1 is clamped. The probe rod 1 is under the action of the four extrusion wheels 2, and is subjected to clamping forces which are symmetrical and have the same size in four directions, so that the probe rod 1 is not easy to bend.
In another technical solution, the specific manner of connecting the rotating power structure 4 with the four squeezing wheels 2 is as follows: the rotating power structure 4 comprises four hydraulic motors, an output shaft of one hydraulic motor is connected with one extrusion wheel 2, the four hydraulic motors rotate synchronously to drive the four extrusion wheels 2 corresponding to the four hydraulic motors to rotate at the same speed, and the probe rod clamping part 8 is driven to downwards extrude the probe rod 1 or upwards pull the probe rod 1. Four hydraulic motor drive four extrusion wheels 2 rotate, and four hydraulic motor end to end sets up, and a hydraulic motor drive extrusion wheel 2 rotates, and four hydraulic motor rotational speeds are the same, and output torque is the same, makes four extrusion wheel 2 rotational speeds the same. The four hydraulic motors drive the four extrusion wheels 2 to rotate towards the direction of the probe rod clamping part 8 at the same speed, and the four extrusion wheels 2 generate four downward penetration forces with the same size, so that the probe rod 1 is penetrated downwards; the four hydraulic motors drive the four extrusion wheels 2 to rotate in the same speed and opposite directions to the probe clamping part 8, and the four extrusion wheels 2 generate four upward pulling forces with equal magnitude, so that the probe 1 is pulled upward.
In another technical scheme, the upper oil cylinder holding clamp 11 comprises a pair of upper oil cylinder swing arms, the lower oil cylinder holding clamp 12 comprises a pair of lower oil cylinder swing arms, the upper ends of the pair of upper oil cylinder swing arms are hinged with piston rods or cylinder seats of the pair of upper oil cylinders 9 through pin shafts, the middle parts of the pair of upper oil cylinder swing arms are connected with a wheel shaft of an extrusion wheel 2 on the same vertical surface, the lower parts of the pair of upper oil cylinder swing arms are hinged with the base 7 through fixing seats 16, the upper ends of the pair of lower oil cylinder swing arms are hinged with piston rods or cylinder seats of the pair of lower oil cylinders 10 through pin shafts, the middle parts of the pair of lower oil cylinder swing arms are connected with a wheel shaft of an extrusion wheel 2 on the same vertical surface, and the lower parts of the pair of lower oil cylinder swing arms are hinged with the base 7 through fixing seats 16. The piston rods of the pair of upper oil cylinders 9 and the pair of lower oil cylinders 10 simultaneously perform stretching movement to drive the two pairs of upper oil cylinder swing arms and the two pairs of lower oil cylinder swing arms to perform far-away arc movement by taking the fixed seat 16 as a fulcrum, the four extrusion wheels 2 simultaneously perform far-away movement under the driving of the four pairs of oil cylinder swing arms, the probe rod clamping part 8 is expanded, and at the moment, the probe rod 1 can be inserted or pulled up; the piston rods of the upper oil cylinders 9 and the lower oil cylinders 10 contract simultaneously to drive the two pairs of upper oil cylinder swing arms and the two pairs of lower oil cylinder swing arms to do approaching arc motion by taking the fixed seat 16 as a fulcrum, the four extrusion wheels 2 simultaneously do approaching motion by being driven by the four pairs of oil cylinder swing arms, and the probe rod clamping part 8 is reduced to clamp the probe rod 1. The forces acting on the extrusion wheel 2 by each pair of oil cylinder swing arms are equal, so that the probe rod 1 is subjected to equal forces in four symmetrical directions, and the probe rod 1 is prevented from bending and breaking due to uneven stress.
In another technical scheme, four hydraulic motors are provided with oil supply synchronizers, and a pair of upper oil cylinders 9 and a pair of lower oil cylinders 10 adopt parallel pipelines to simultaneously feed oil. The oil quantity of the four hydraulic motors is controlled by the oil supply synchronizer to supply oil, so that the oil quantity for driving the four hydraulic motors is consistent, the rotating speeds of the four hydraulic motors are the same, the output torques are the same, the rotating speeds of the four extrusion wheels 2 are the same, and four generated downward penetration forces or four generated upward pull-out forces are the same. The drawing force or the contraction force of the pair of upper oil cylinders 9 is equal, the drawing force or the contraction force of the pair of lower oil cylinders 10 is equal, the pair of upper oil cylinders 9 and the pair of lower oil cylinders 10 drive the four extrusion wheels 2 to synchronously move away or synchronously move close, so that the probe rod clamping part 8 is always in the middle position, and the clamping forces of the probe rod 1 in four directions are equal.
In another technical scheme, as shown in fig. 4, the wheel edge of the extrusion wheel 2 is provided with a gear 14, and gears 13 are arranged on two sides of the gear 14. When the four extrusion wheels 2 penetrate into the probe rod 1 downwards or pull up the probe rod 1 upwards, the hobbing 14 increases the friction force on the probe rod 1, and meanwhile, the gear 13 plays a certain limiting role on the probe rod 1.
In another technical scheme, the probe rod 1 comprises a plurality of probe rods 1, and the plurality of probe rods 1 are sequentially and vertically connected. When the mechanical property of the soil layer in the depths needs to be tested, the multiple sub-probe rods 1 are sequentially penetrated, and the multiple sub-probe rods 1 are in vertical threaded connection.
The four-wheel extrusion drive penetration method applying the four-wheel extrusion drive penetration device comprises the following steps:
the first step is as follows: clamping the probe rod 1. The four-wheel squeeze-drive penetration device is suspended from the construction vessel to the seabed by the lifting device 5. The displacement power structure 3 drives the four extrusion wheels 2 to synchronously move away from each other, the probe rod clamping portion 8 is enlarged, the probe rod 1 is suspended and inserted into the probe rod clamping portion 8 through a winch on the engineering ship, the displacement power structure 3 drives the four extrusion wheels 2 to move close to each other, and the probe rod clamping portion 8 clamps the probe rod 1. The piston rods of the pair of upper oil cylinders 9 and the pair of lower oil cylinders 10 synchronously perform stretching movement to drive the two pairs of upper oil cylinder swing arms and the two pairs of lower oil cylinder swing arms to perform far movement to drive the four extrusion wheels 2 to perform far movement, the probe rod clamping part 8 is expanded, the probe rod 1 is suspended by a winch on an engineering ship and inserted into the probe rod clamping part 8, the piston rods of the pair of upper oil cylinders 9 and the pair of lower oil cylinders 10 synchronously perform contraction movement to drive the two pairs of upper oil cylinder swing arms and the two pairs of lower oil cylinder swing arms to perform close movement to drive the four extrusion wheels 2 to perform close movement, the probe rod clamping part 8 is contracted, and the probe rod 1 is clamped. The four symmetrical extrusion wheels 2 clamp the probe rod 1, so that the probe rod 1 is stressed equally in four symmetrical directions, and the probe rod 1 is stressed uniformly and is not easy to bend and break.
The second step: the probe rod 1 is inserted. The four extrusion wheels 2 are driven by the rotary power structure 4 to rotate in the same height in the direction of the probe clamping portion 8 synchronously, the four extrusion wheels 2 generate four downward penetrating forces with the same size, the probe 1 penetrates into the probe, and after the probe 1 penetrates into a preset depth, the rotary power structure 4 stops driving the extrusion wheels 2. Four hydraulic motors drive four extrusion wheels 2 to rotate towards the direction of the probe clamping part 8 at the same speed, the four extrusion wheels 2 generate four downward forces with the same size, so that the probe 1 penetrates downwards, and after the probe 1 penetrates to a preset depth, the four hydraulic motors stop driving the extrusion wheels 2. Adopt four extrusion wheels 2 to penetrate into probe rod 1, the penetrating power is bigger, and the probe rod 1 penetration depth is secure, and probe rod 1 equals in four directions atress size simultaneously, and the difficult emergence bending fracture of penetration process prolongs probe rod 1 life.
The third step: the feeler lever 1 is pulled up. The rotating power structure 4 drives the four extrusion wheels 2 to synchronously rotate in the opposite direction to the probe rod clamping part 8 at the same height, the four extrusion wheels 2 generate four upward pulling forces with the same size, and the probe rod 1 is pulled upward. The four hydraulic motors drive the four extrusion wheels 2 to rotate in the same speed and opposite directions to the clamping part 8, and the four extrusion wheels 2 generate four upward forces with equal magnitude, so that the probe rod 1 is pulled upwards. The four squeezing wheels 2 generate a greater upward pulling force.
The fourth step: the probe 1 is unloaded. The displacement power structure 3 drives the four extrusion wheels 2 to move away, the probe rod clamping part 8 is enlarged, and the probe rod 1 is unloaded. The piston rods of the pair of upper oil cylinders 9 and the pair of lower oil cylinders 10 synchronously perform stretching movement to drive the two pairs of upper oil cylinder swing arms and the two pairs of lower oil cylinder swing arms to perform far-away movement so as to drive the four extrusion wheels 2 to perform far-away movement, the probe rod clamping part 8 is expanded, and the probe rod 1 is unloaded.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been described below, it is not limited to the applications set forth in the specification and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and it is therefore not intended to be limited to the details shown and described herein without departing from the general concept as defined by the appended claims and their equivalents.
Claims (10)
1. Four-wheel extrusion drive injection apparatus, its characterized in that includes:
the base is arranged on a seabed, and a reserved hole is formed in the center of the bottom of the base;
the four extrusion wheels are arranged above the base in a cross-shaped symmetrical mode, two end faces of each extrusion wheel are vertically placed, wheel-side gaps of the four extrusion wheels form a probe clamping portion, the probe clamping portion is located above the reserved hole, and a probe sequentially penetrates through the probe clamping portion and the reserved hole from top to bottom;
the displacement power structure is connected with the four extrusion wheels and drives the four extrusion wheels to synchronously move close to or away from each other at the same height, so that the probe rod clamping part clamps or releases the probe rod;
the rotating power structure is connected with the four extrusion wheels, the four extrusion wheels are driven by the rotating power structure to synchronously rotate at the same height, and every two symmetrical extrusion wheels have the same rotating speed and opposite rotating directions so as to drive the probe rod to move upwards or downwards.
2. The four-wheel extrusion drive injection apparatus according to claim 1, further comprising:
the outer frame is fixed on the base and covers the four extrusion wheels, the displacement power structure and the rotation power structure;
and the lifting device is fixed at the top of the outer frame.
3. The four-wheel extrusion drive penetration device according to claim 2, wherein the displacement power structure is connected with the four extrusion wheels in a manner that: the displacement power structure comprises a pair of upper oil cylinders, a pair of upper oil cylinder holding clamps, a pair of lower oil cylinders and a pair of lower oil cylinder holding clamps, the pair of upper oil cylinders and the pair of lower oil cylinders are vertically arranged in a 'well' shape and form a penetrating space of a probe rod from top to bottom, the upper ends of the pair of upper oil cylinder holding clamps are respectively hinged with piston rods and cylinder seats of the pair of upper oil cylinders, the middle parts of the pair of upper oil cylinder holding clamps are connected with wheel shafts of a pair of extrusion wheels on the same vertical surface, the lower parts of the pair of upper oil cylinder holding clamps are hinged with the base, the upper ends of the pair of lower oil cylinder holding clamps are respectively hinged with piston rods and cylinder seats of the pair of lower oil cylinders, the middle parts of the pair of lower oil cylinder holding clamps are connected with wheel shafts of the other pair of extrusion wheels on the same vertical surface, the lower parts of the pair of lower oil cylinder holding clamps are hinged with the base, and the pair of upper oil cylinders and the pair of lower oil cylinders synchronously perform telescopic motion to drive the pair of upper oil cylinder holding clamps and the pair of lower oil cylinders to synchronously perform far-away or close motion of the four extrusion wheels.
4. The four-wheel extrusion drive injection apparatus as claimed in claim 3, wherein the rotational power structure is connected to the four extrusion wheels in a manner that: the rotating power structure comprises four hydraulic motors, an output shaft of one hydraulic motor is connected with one extrusion wheel, the four hydraulic motors rotate synchronously to drive the four extrusion wheels corresponding to the four hydraulic motors to rotate at the same speed, and the probe rod clamping part is driven to downwards extrude the probe rod or upwards pull the probe rod.
5. The four-wheel extrusion drive injection device according to claim 3, wherein the upper cylinder holding clamp comprises a pair of upper cylinder swing arms, the lower cylinder holding clamp comprises a pair of lower cylinder swing arms, the upper ends of the pair of upper cylinder swing arms are hinged to piston rods or cylinder seats of the pair of upper cylinders through pin shafts, the middle portions of the pair of upper cylinder swing arms are connected to a wheel shaft of an extrusion wheel on the same vertical surface, the lower portions of the pair of upper cylinder swing arms are hinged to the base through fixing seats, the upper ends of the pair of lower cylinder swing arms are hinged to piston rods or cylinder seats of the pair of lower cylinders through pin shafts, the middle portions of the pair of lower cylinder swing arms are connected to a wheel shaft of an extrusion wheel on the same vertical surface, and the lower portions of the pair of lower cylinder swing arms are hinged to the base through fixing seats.
6. The four-wheel extrusion drive penetration device according to claim 4, wherein the four hydraulic motors are provided with oil supply synchronizers, and the pair of upper oil cylinders and the pair of lower oil cylinders are simultaneously fed with oil by adopting parallel pipelines.
7. The four-wheel extrusion drive injection apparatus according to claim 1, wherein the extrusion wheel is provided with a gear on a rim thereof, and gears are provided on both sides of the gear.
8. The four-wheel extrusion drive injection apparatus as claimed in claim 1, wherein the probe comprises a plurality of sub-probes which are vertically connected in turn.
9. The four-wheel extrusion drive penetration method using the four-wheel extrusion drive penetration device according to any one of claims 1 to 8, comprising the steps of:
the first step is as follows: the displacement power structure drives the four extrusion wheels to move far away, a probe rod clamping part is enlarged, the probe rod extends into the probe rod clamping part, the displacement power structure drives the four extrusion wheels to move close to each other, and the probe rod clamping part clamps the probe rod;
the second step is that: the rotating power structure drives the four extrusion wheels to synchronously rotate towards the direction of the probe rod clamping part at the same height, the four extrusion wheels generate downward penetration force, the probe rod penetrates downwards, and the rotation of the hydraulic motor is stopped after the probe rod penetrates in place.
10. The four-wheel squeeze-drive penetration method according to claim 9, wherein the pulling-up step of the probe is as follows:
the first step is as follows: the rotating power structure drives the four extrusion wheels to synchronously rotate in the opposite direction to the probe rod clamping part at the same height, the four extrusion wheels generate upward pulling force, and the probe rod is pulled upward until the probe rod is pulled up;
the second step is that: the displacement power structure drives the four extrusion wheels to move away, the clamping part of the probe rod is enlarged, and the probe rod is unloaded.
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| CN202211400370.5A CN115506779B (en) | 2022-11-09 | 2022-11-09 | Four-wheel extrusion drive injection device and injection method |
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| CN202211400370.5A CN115506779B (en) | 2022-11-09 | 2022-11-09 | Four-wheel extrusion drive injection device and injection method |
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| CN115506779B (en) | 2023-03-10 |
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