Disclosure of Invention
The invention aims to provide a portable manual hydraulic cutting ring soil sampler, which can reduce soil sampling difficulty, reduce soil disturbance and save time and labor.
The technical scheme for solving the technical problems is as follows:
a portable manual hydraulic cutting ring geotome comprising: the cutting ring device comprises a support frame and a hydraulic jack which is arranged on the support frame in an inverted mode, wherein a power output shaft of the hydraulic jack is provided with a detachable cutting ring fixing device, a detachable cutting ring is arranged on the cutting ring fixing device, and the cutting ring fixing device comprises a universal magnetic base and a cutting ring fixing plate which is detachably arranged at the lower end of the universal magnetic base.
This geotome sets up the hydraulic jack of inversion on the support frame, hydraulic jack's power take off end is towards ground to can drive the structure of its tip and insert the ground or extract the ground, set up cutting ring fixing device at hydraulic jack's power take off end, cutting ring fixing device can fix the cutting ring that is used for the sample, and cutting ring fixing device adopts universal magnetic base, can make cutting ring detachably set up on cutting ring fixing device, conveniently changes the cutting ring of not equidimension and degree of depth.
Further, in a preferred embodiment of the present invention, the universal magnetic base comprises a cast iron block and a permanent magnet block rotatably disposed in the cast iron block, wherein a placement cavity is formed in the cast iron block, an electrical soft iron layer is disposed on an inner wall of the placement cavity, a brass block pointing to the permanent magnet is disposed at a top end of the cast iron block, the permanent magnet block is disposed in the placement cavity through a rotating shaft, and an end of the rotating shaft away from the permanent magnet block is disposed outside the cast iron block.
The two ends of the permanent magnet block are the N pole and the S pole of the magnet, the magnetism in the middle of the permanent magnet block is very small, the permanent magnet block is rotatably arranged in the cast iron block, when the permanent magnet block is vertically arranged, the connecting line of the N pole and the S pole of the permanent magnet block is also vertical, the cutting ring fixing plate can be adsorbed on the cast iron block, the brass block can fix the permanent magnet block, the permanent magnet block keeps a vertical state under the condition of no external force, when the permanent magnet block is horizontal due to the fact that the magnetic force in the middle of the permanent magnet block is very weak when a person rotates the rotating shaft, the cast iron block cannot adsorb the cutting ring fixing plate, and the cutting ring fixing plate is detached to replace the cutting ring.
Further, in a preferred embodiment of the present invention, a rotation knob is disposed at an end of the rotating shaft away from the permanent magnet.
The position of the permanent magnet can be adjusted by rotating the rotating button, so that the permanent magnet is vertically arranged or horizontally arranged.
Further, in a preferred embodiment of the present invention, a plurality of rings of concentric annular locking grooves are disposed on the bottom surface of the cutting ring fixing plate.
The cutting ring is detachably arranged on the cutting ring fixing plate through the annular clamping groove in the cutting ring fixing plate, and the annular clamping groove is convenient and fast to install and detach. The size of the clamping groove is matched with that of the cutting ring, so that the cutting ring can be tightly clamped in the clamping groove, the number and the size of the clamping groove are not specifically limited, and the clamping groove can be set according to the number and the size of the actual cutting ring.
Further, in a preferred embodiment of the present invention, the cutting ring fixing plate is made of cast iron.
Because the cutting ring fixed plate need be fixed at universal magnetic force seat lower extreme during the sample, universal magnetic force seat is through the fixed cutting ring fixed plate of magnetic force, therefore the cutting ring fixed plate need adopt the material that can be attracted by magnet, and in this scheme, the cutting ring fixed plate adopts the cast iron material.
Further, in a preferred embodiment of the present invention, the support frame includes a plurality of support columns vertically disposed and support plates disposed on the support columns, the support plates include a top return support plate and a middle support plate disposed in parallel below the top return support plate, and the hydraulic jack is disposed between the top return support plate and the middle support plate.
The support frame wholly supports the device, the fixed action, hydraulic jack sets up between top back-force backup pad and middle part backup pad, and hydraulic jack can be fixed to top back-force backup pad, and hydraulic jack can be supported to the middle part backup pad to when hydraulic oil promoted its power output shaft downwards among the hydraulic jack, power output shaft's reaction force then is used in the backup pad of top back-force, and the backup pad of top back-force can be used to bear the back-force that produces when hydraulic jack acts on.
Further, in the preferred embodiment of the present invention, the middle supporting plate is provided with a through hole.
Further, in a preferred embodiment of the present invention, the bottom of the hydraulic jack is disposed on the bottom surface of the top return support plate, the upper end of the hydraulic jack is disposed on the middle support plate, and the power output shaft of the hydraulic jack extends toward the ground through the through hole.
The fixed knot of hydraulic jack constructs the setting and returns between power backup pad and middle part backup pad at the top, thereby hydraulic jack's power output shaft is then extended to ground through the through-hole in the backup pad of middle part and is accomplished the operation of inserting the ground and taking out the soil sample.
Further, in a preferred embodiment of the present invention, a storage box is disposed on the upper surface of the top return support plate.
The fixed upper surface that sets up at the top back force backup pad of containing box can be used to place the cutting ring of different models, and convenient storage changes when the sample conveniently in time.
Further, in a preferred embodiment of the present invention, the hydraulic jack includes a first hydraulic cylinder, a second hydraulic cylinder and an oil tank, the first hydraulic cylinder and the second hydraulic cylinder are respectively provided with a first piston and a second piston, the first piston is provided with a handle, the power output shaft is provided on the second piston, the bottom parts of the first hydraulic cylinder and the second hydraulic cylinder are respectively communicated with each other through a first pipeline and a second pipeline, the first pipeline is provided with an oil discharge check valve, the second pipeline is further provided with a third pipeline communicated with the oil tank, the second pipeline between the oil tank and the second hydraulic cylinder is provided with an oil suction check valve, and the second pipeline between the oil tank and the first hydraulic cylinder is provided with a closing stop valve.
The invention has the following beneficial effects:
the hydraulic jack is adopted to replace manpower to carry out soil sampling operation, the hydraulic jack is arranged on the support frame in an inverted mode, the power output shaft of the hydraulic jack faces the ground, the end part of the power output shaft of the hydraulic jack is provided with the detachable cutting ring fixing device, the detachable cutting ring is arranged on the cutting ring fixing device, the power output shaft of the hydraulic jack extends or retracts to complete the operation of inserting the cutting ring into rock soil and taking out a soil sample, the cutting ring fixing device and the cutting ring are detachably arranged, the cutting ring with different specifications can be conveniently replaced, the device enables rock soil sampling to be time-saving and labor-saving, hydraulic pressure is stably output, soil disturbance can be reduced, sampling quality is guaranteed, the device is simple in integral structure, convenient to carry and move, and suitable for outdoor operation.
Examples
Referring to fig. 1, a portable manual hydraulic cutting ring geotome comprises: a support frame 1 and a hydraulic jack 2 arranged on the support frame 1 in an inverted manner.
Referring to fig. 1, the supporting frame 1 includes a plurality of vertically arranged supporting columns 11 and supporting plates 12 arranged on the supporting columns 11, the supporting plates 12 include a top return supporting plate 121 and a middle supporting plate 122 arranged in parallel below the top return supporting plate 121, and through holes are formed in the middle supporting plate 122. The bottom of the hydraulic jack 2 is arranged on the bottom surface of the top return support plate 121, the upper end of the hydraulic jack 2 is arranged on the middle support plate 122 and the power output shaft 21 of the hydraulic jack 2 extends towards the ground direction through the through hole. The upper surface of the top returning force supporting plate 121 is further provided with a storage box 123.
Referring to fig. 1, a cutting ring fixing device 3 is arranged at the power output end of a hydraulic jack 2. The cutting ring fixing device 3 is provided with a detachable cutting ring 4. The cutting ring fixing device 3 includes a universal magnetic base 31 and a cutting ring fixing plate 32 detachably disposed at a lower end of the universal magnetic base 31, and referring to fig. 2, a plurality of rings of annular clamping grooves 321 concentrically disposed are disposed on a bottom surface of the cutting ring fixing plate 32. The cutting ring fixing plate 32 is made of cast iron.
Referring to fig. 3 and 4, the universal magnetic base 31 includes an iron casting block 311 and a permanent magnet block 312 rotatably disposed in the iron casting block 311, a placement cavity 313 is disposed in the iron casting block 311, an electrical soft iron layer 314 is disposed on an inner wall of the placement cavity 313, a brass block 315 pointing to the permanent magnet is disposed at a top end of the iron casting block 311, the permanent magnet block 312 is disposed in the placement cavity 313 through a rotating shaft 316, one end of the rotating shaft 316 away from the permanent magnet block 312 is disposed outside the iron casting block 311, and referring to fig. 1, a rotating knob 317 is disposed at one end of the rotating shaft 316 away from the permanent magnet block 312.
Referring to fig. 5, the hydraulic jack includes a first hydraulic cylinder 22, a second hydraulic cylinder 23 and an oil tank 24, the first hydraulic cylinder 22 and the second hydraulic cylinder 23 are respectively provided with a first piston 221 and a second piston 231, the first piston is provided with a handle 25, and the power output shaft 21 is arranged on the second piston 231; the bottom parts of the first hydraulic cylinder 22 and the second hydraulic cylinder 23 are respectively communicated through a first pipeline 222 and a second pipeline 232, the first pipeline 222 is provided with an oil discharge one-way valve 26, the second pipeline 222 is also provided with a third pipeline 241 communicated with the oil tank 24, the second pipeline between the oil tank and the second hydraulic cylinder is provided with an oil suction one-way valve 27, and the second pipeline 232 between the oil tank 24 and the first hydraulic cylinder 22 is provided with a closing stop valve 28.
The use of the present invention is described below with reference to fig. 1 and 5.
When the portable manual hydraulic ring cutter soil sampler is used, the portable manual hydraulic ring cutter soil sampler is placed on the ground of the rock to be sampled and is well fixed to keep the device stable, referring to fig. 1 and 5, the handle 25 of the hydraulic jack 2 is pressed upwards, the first piston 221 connected with the handle 25 pushes the hydraulic oil in the first hydraulic cylinder 22 to enter the second hydraulic cylinder 23 through the oil discharge one-way valve 26, the hydraulic oil in the second hydraulic cylinder 23 pushes the second piston 231 to move upwards, at the moment, the power output shaft of the hydraulic jack 2 moves towards the ground direction, the ring cutter 4 arranged at the power output end of the hydraulic jack 2 is inserted into the rock, after the ring cutter is inserted to a proper position, the action of the hydraulic jack 2 is stopped, the stop valve 28 of the hydraulic jack 2 is opened, the hydraulic oil in the second hydraulic cylinder 23 enters the oil tank 24, the second piston 231 moves towards the bottom of the first hydraulic cylinder 22, that is, the power output shaft of the hydraulic jack 2 moves in the direction away from the ground, the power output shaft of the hydraulic jack 2 drives the cutting ring 4 to be pulled out from the rock soil, the sampling can be completed, the stop valve 28 is closed, the handle 25 is pressed downwards, the hydraulic oil in the oil tank 24 enters the first hydraulic cylinder 22 through the oil suction one-way valve 27, and the handle 25 is restored to the original state. After the hydraulic jack 2 is reset, referring to fig. 3, the rotating knob 317 is rotated to separate the universal magnetic base 31 from the cutting ring fixing plate 32, the cutting ring fixing plate 32 and the cutting ring 4 are taken down together, the cutting ring 4 can be replaced after the soil sample is taken down, and referring to fig. 4, the rotating knob 317 is rotated to fix the cutting ring fixing plate 32 on the universal magnetic base 31, so that the next sampling operation can be performed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.