CN114905642B - Test block cutting device for dry-hot rock damage cracking test - Google Patents

Test block cutting device for dry-hot rock damage cracking test Download PDF

Info

Publication number
CN114905642B
CN114905642B CN202210719562.6A CN202210719562A CN114905642B CN 114905642 B CN114905642 B CN 114905642B CN 202210719562 A CN202210719562 A CN 202210719562A CN 114905642 B CN114905642 B CN 114905642B
Authority
CN
China
Prior art keywords
cutting
rock
fixing
seat
workbench
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210719562.6A
Other languages
Chinese (zh)
Other versions
CN114905642A (en
Inventor
赵源
高俊
袁静
胡万飞
尹士吉
陆炅
陈顺义
郑应霞
李成军
黄靖乾
嵇建飞
郭亮亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PowerChina Huadong Engineering Corp Ltd
Original Assignee
PowerChina Huadong Engineering Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PowerChina Huadong Engineering Corp Ltd filed Critical PowerChina Huadong Engineering Corp Ltd
Priority to CN202210719562.6A priority Critical patent/CN114905642B/en
Publication of CN114905642A publication Critical patent/CN114905642A/en
Application granted granted Critical
Publication of CN114905642B publication Critical patent/CN114905642B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/22Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
    • B28D1/24Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising with cutting discs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/04Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/10Geothermal energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention relates to the technical field of cutting equipment, in particular to a test block cutting device for a dry-hot rock damage fracture test, which can conveniently cut rock slices with specified thickness, and comprises a workbench, a pressing mechanism for fixing rock raw materials, a cutting mechanism and at least one fixing mechanism for fixing the rock slices; pressing mechanism and fixed establishment set up respectively in the horizontal both sides of workstation, and cutting mechanism sets up the position between pressing mechanism and fixed establishment, and this cutting mechanism includes the cutting seat to and rotate the cutting head that sets up at the cutting seat top and can lock in being close to pressing mechanism one side or fixed establishment one side, the cutting seat passes through guide structure setting on the workstation, and driven by actuating mechanism's the vertical reciprocal slip at the workstation, offer the through-hole that supplies the rock piece to pass through on the cutting seat, the rear side of cutting seat is equipped with the removal piece that is used for driving the rock piece that the cutting accomplished and shifts out pressing mechanism, installs the cutting blade that is used for cutting rock raw materials on the cutting head.

Description

Test block cutting device for dry-hot rock damage cracking test
Technical Field
The invention relates to the technical field of cutting equipment, in particular to a test block cutting device for a dry-hot rock damage fracture test.
Background
The long-term cold water injection induced reservoir secondary fracture and permeability evolution of the dry hot rock are one of key problems to be solved in the commercialization process of the geothermal energy of the dry hot rock. The research on the mechanism of the cold damage and rupture of the dry hot rock has important engineering significance for controlling the scale and permeability evolution of the dry hot rock reservoir. In the study of cold damage cracking of hot dry rock, it is necessary to perform a model test on a rock test block (i.e., a rock sample) processed to a specific size. And (3) carrying out relevant physical and mechanical property test on the rock sample before the test, acquiring initial structural parameters of the rock sample by adopting a Scanning Electron Microscope (SEM), a scanning electron microscope (CT) and the like, and establishing an initial microscopic structural digital model of the rock sample. In the test, seepage tests are carried out on a plurality of groups of different water rock temperature differences and water injection flow rates, and rock sample fracture and time-space evolution conditions of a temperature field are monitored in real time by adopting an acoustic emission and distributed temperature measuring probe. After the test, scanning at the same position of the rock sample to obtain a rock microstructure, and establishing a rock sample final microstructure digital model.
Currently, in the preparation of rock test blocks, a worker first needs to cut a rock laminate of a specified thickness from rock stock, and then cut the length and width of the rock laminate to specified values. At present, when a worker performs cutting, the directions of the rock blocks and the rock sheets need to be changed for many times so as to facilitate cutting at a designated position, and the cutting process is very inconvenient.
Disclosure of Invention
The invention aims to provide a test block cutting device for a dry-hot rock damage fracture test, which can conveniently cut rock slices with specified thickness and can conveniently process the cut rock slices into specified sizes.
The technical scheme adopted by the invention is as follows:
a test block cutting device for a dry-hot rock damage fracture test comprises a workbench, a pressing mechanism for fixing rock raw materials, a cutting mechanism and at least one fixing mechanism for fixing rock sheets; pressing mechanism and fixed establishment set up respectively in the horizontal both sides of workstation, and cutting mechanism sets up the position between pressing mechanism and fixed establishment, and this cutting mechanism includes the cutting seat to and rotate the cutting head that sets up at the cutting seat top and can lock in being close to pressing mechanism one side or fixed establishment one side, the cutting seat passes through guide structure setting on the workstation, and driven by actuating mechanism's the vertical reciprocal slip at the workstation, offer the through-hole that supplies the rock piece to pass through on the cutting seat, the rear side of cutting seat is equipped with the removal piece that is used for driving the rock piece that the cutting accomplished and shifts out pressing mechanism, installs the cutting blade that is used for cutting rock raw materials on the cutting head.
Preferably, the top surface of workstation is provided with the first backup pad that is used for supporting rock raw materials from the one side at hold-down mechanism place to the one side slope setting at fixed establishment place to the top surface of workstation to and the second backup pad, first backup pad and hold-down mechanism relative arrangement, the cutting blade both sides of branch are seted up jaggedly on the workstation of the front side of first backup pad, the second backup pad rotates and sets up in the breach, and the back of second backup pad front side is provided with supporting component.
Preferably, the support assembly comprises an abutting block, a sliding seat, a connecting block, an abutting spring and a touch rod, wherein the sliding seat is fixed on a workbench at the front side of the notch, the abutting block is arranged in the sliding seat in a sliding manner, the connecting block is fixedly arranged at the front end of the abutting block, the abutting spring is arranged between the connecting block and the sliding seat, the abutting block is applied with a backward spring force through the connecting block, and the touch rod is arranged at the rear end of the abutting block, transversely extends to the upper side of the guide structure and can be abutted against the cutting seat.
Preferably, a shaft is arranged at the center of the bottom of the cutting machine head, a rotating groove for the shaft to rotate is formed in the top of the cutting seat, positioning blocks are arranged at four corners of the bottom of the cutting machine head, positioning grooves for the positioning blocks to be inserted are formed in four corners of the top of the cutting seat, and the cutting machine head is locked on one side close to the pressing mechanism or one side of the fixing mechanism.
Preferably, the moving-out piece is L-shaped and comprises a cross rod and a vertical rod, the cross rod is transversely and fixedly arranged at the rear side of the cutting seat and is higher than the first supporting plate in height, the vertical rod is fixedly arranged at the overhanging end of the cross rod and is positioned at one side of the first supporting plate, facing the pressing mechanism, of the first supporting plate, and therefore the rock slice after cutting can be pushed.
Preferably, the fixing mechanism comprises a bottom plate, a fixing piece for fixing the position of the rock slice and two extending plates, the bottom plate is positioned on the workbench, the extending plates transversely overhanging along the workbench are slidably arranged at two ends of the bottom plate, the bottom plate is connected with a supporting bolt for fixing the position of the extending plates in a threaded manner, and the fixing piece is arranged on the side face or the top face of the bottom plate.
Preferably, a rotating shaft is arranged at the bottom of the bottom plate, a plurality of through holes for rotating the rotating shaft are formed in the workbench, and the through holes are distributed transversely along the second workbench.
Preferably, the overhanging ends of the two extension plates are vertically provided with limiting plates, and display scales for indicating the extending length are distributed on the extension plates.
Preferably, the workbench is provided with a rotation stopping structure of the bottom plate, the rotation stopping structure comprises a baffle and a rotation stopping groove, the rotation stopping groove is transversely formed in the workbench and located at the side edge of the bottom plate, the baffle is vertically inserted into the rotation stopping groove, and the baffle is abutted to the side edge of the bottom plate and can stop the bottom plate to rotate.
Preferably, the fixing piece comprises a fixing seat, a compression screw and a compression sheet, wherein the fixing seat is fixed on the bottom plate, the compression screw is vertically in threaded connection with the fixing seat, the compression sheet is fixed at the lower end of the compression screw, and a rotating handle is arranged at the top of the compression screw.
The invention has the beneficial effects that: according to the invention, the moving-out piece is arranged on the cutting seat so as to move the rock slice cut from the rock raw material to the position of the second supporting plate; support the second backup pad through supporting component, when the cutting seat slides to with touching the pole looks butt, touching the pole and driving the butt piece and take place to remove and make the extension spring be in tensile state, when the butt piece slides to the direction of keeping away from the second backup pad and not with the second backup pad contact, the rock laminate can take place to empty and drive the second backup pad and take place to rotate, make the top surface of second backup pad and workstation be in coplanar state, make the rock laminate can follow through the through-hole on the cutting seat and enter into on the workstation of fixed establishment place one side after falling down, thereby need not the staff and manually transport the rock laminate to on the workstation of fixed establishment place one side.
2. According to the invention, the cutting machine head is rotatably arranged on the cutting seat, and after the rock slice is cut from the rock raw material, the cutting machine head is rotated for 180 degrees, so that the rock slice can be cut through the cutting machine head, and the whole cutting process of the test block can be conveniently completed.
3. According to the invention, the rock sheet is fixed through the fixing mechanism, after one side edge is cut, the other side edge can be cut by rotating the fixing mechanism by 180 degrees, so that the times of re-clamping the rock sheet are reduced.
4. The first supporting plate can be used as a reference for clamping rock raw materials, so that the thicknesses of rock slices cut out each time are consistent.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a test block cutting device for a dry-hot rock damage fracture test, which is provided by the invention;
FIG. 2 is a schematic view of the cutting mechanism and the driving mechanism of the present invention;
FIG. 3 is a schematic view of the support assembly of the present invention on a first table;
FIG. 4 is a schematic view of a cutting mechanism according to the present invention;
FIG. 5 is a schematic view of the structure of the fixing mechanism of the present invention on the second table;
FIG. 6 is a schematic structural view of the fixing mechanism of the present invention;
icon: the device comprises a first workbench, 11-sliding grooves, 12-driving mechanisms, 121-driving motors, 122-lead screws, 13-first supporting plates, 14-second supporting plates, 15-notches, 16-knife avoidance grooves, 2-second workbench, 21-rotation stopping grooves, 22-stop plates, 3-pressing mechanisms, 31-pressing frames, 32-pressing cylinders, 4-cutting mechanisms, 41-cutting seats, 411-moving pieces, 4111-cross bars, 4112-vertical rods, 412-through holes, 42-cutting heads, 421-shafts, 422-positioning blocks, 423-cutting blades, 424-rotating grooves, 425-positioning grooves, 5-fixing mechanisms, 51-bottom plates, 511-abutting bolts, 52-rotating shafts, 521-through holes, 53-extending plates, 531-limiting plates, 532-display scales, 54-fixing pieces, 541-fixing seats, 542-pressing screws, 543-pressing pieces, 544-rotating handles, 6-supporting components, 61-abutting blocks, 62-sliding seats, 63-connecting blocks, 64-abutting springs, 65-abutting rods, 7-rock raw materials.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention further provides a test block cutting device for a dry-hot rock damage breaking test, which is described below with reference to specific embodiments, and is shown in fig. 1-6, and comprises a workbench consisting of a first workbench 1 and a second workbench 2, wherein the top surfaces of the first workbench 1 and the second workbench 2 are obliquely arranged and parallel to each other, and the second workbench 2 is positioned on one side of the lower position of the first workbench 1 for receiving rock sheets. The first working table 1 is provided with a pressing mechanism 3 for fixing the rock raw material 7, one side of the first working table 1 with a lower position is provided with a guiding structure along the longitudinal direction (namely the length direction of the first working table 1), in order to avoid the rock sheet, the guiding structure in the embodiment is a chute 11 formed on the first working table 1, and a cutting mechanism 4 and a driving mechanism 12 for driving the cutting mechanism 4 to slide are arranged in the chute 11. The cutting mechanism 4 comprises a cutting seat 41, the cutting seat 41 is slidably arranged in the chute 11, a cutting machine head 42 is arranged at the top of the cutting seat 41, a cutting blade 423 for cutting the rock raw material 7 is arranged on the cutting machine head 42, a cutter avoiding groove 16 of the cutting blade 423 is formed in the workbench, the cutter avoiding groove 16 is arranged in parallel with the chute 11, the plane where the cutting blade 423 is located is perpendicular to the top surface of the first workbench 1, and meanwhile, the plane where the cutting blade 423 is located is also parallel to the chute 11. The driving mechanism 12 comprises a driving motor 121 and a screw rod 122, the driving motor 121 is fixedly arranged on one side of the first workbench 1, the screw rod 122 is rotatably arranged in the sliding groove 11 through a bearing, the rear end of the screw rod 122 is coaxially connected with an output shaft of the driving motor 121, obviously, the screw rod 122 is arranged in parallel with the sliding groove 11, and the bottom of the cutting seat 41 is provided with a threaded hole and sleeved on the screw rod 122. The driving motor 121 drives the screw rod 122 to rotate, namely, the cutting seat 41 can be driven to slide back and forth along the chute 11, so that the cutting machine head 42 moves towards the direction approaching the pressing mechanism 3 and cuts the rock raw material 7.
Referring to fig. 1, a first support plate 13 for supporting the rock material 7 is fixedly installed at one side of the first table 1 adjacent to the second table 2, the first support plate 13 is disposed opposite to the pressing mechanism 3, and is arranged in a row on both sides of the cutting blade 423, and generally, a plane on which the first support plate 13 is located is perpendicular to the top surface of the first table 1. Under the projection of the direction perpendicular to the first workbench 1, the distance between the first supporting plate 13 and the cutting blade 423 is equal to the thickness of the rock slice to be cut, and when the cutting head 42 drives the cutting blade 423 to cut the rock raw material 7, the cut rock slice is the required standard thickness. The pressing mechanism 3 comprises a pressing frame 31 and a pressing cylinder 32, a piston rod of the pressing cylinder 32 is downwards arranged, a pressing block is arranged at the tail end of the piston rod, the rock raw material 7 is pushed, the end face of the rock raw material 7 is abutted against the first supporting plate 13, and the pressing block is driven to be abutted against the top face of the rock raw material 7 through the pressing cylinder 32, namely, the rock raw material 7 can be positioned, so that the position of the rock raw material 7 in the cutting process is prevented from sliding. In fig. 1, the pressing cylinder 32 is disposed on the top surface of the pressing frame 31, and may be disposed on the side surface of the pressing frame as required in actual use.
Referring to fig. 1 and 2, the rear side of the cutting seat 41 is provided with a removing member 411, the removing member 411 is far away from the first supporting plate 13, the removing member 411 is L-shaped and comprises a cross rod 4111 and a vertical rod 4112, the cross rod 4111 is welded on the rear side of the cutting seat 41, the height of the cross rod 4111 is higher than that of the first supporting plate 13 to avoid interference, the cross rod 4111 extends towards the side where the pressing mechanism 3 is located and passes over the first supporting plate 13, the passing distance is not more than the standard thickness required by the rock sheet, and the vertical rod 4112 is welded on the extending end of the cross rod 4111 and extends downwards for a certain distance and can push the cut rock sheet, so that the cut rock sheet is driven to move out of the pressing mechanism 3. After the cutting head 42 drives the cutting blade 423 to cut the rock raw material 7, the driving mechanism 12 continues to drive the cutting seat 41 to move, and the vertical rod 4112 of the removing member 411 can abut against the cut rock slice and push the rock slice forward to be pushed out of the pressing mechanism 3.
Referring to fig. 3, a notch 15 is further formed on the first working table 1 and located at the front side of the first supporting plate 13, a second supporting plate 14 is rotatably mounted in the notch 15, a rotating shaft of the second supporting plate 14 is longitudinally arranged (parallel to the sliding groove 11) along the first working table 1, and a supporting component 6 is disposed on the back of the side, away from the first supporting plate 13, of the second supporting plate 14. After the cut rock slice is pushed out from the gap between the first support plate 13 and the pressing mechanism 3, the second support plate 14 keeps a standing state under the supporting action of the support assembly 6, and can play a certain supporting role on the rock slice, so that the rock slice cannot fall down. The distance between the first support plate 13 and the second support plate 14 should be smaller than the longitudinal dimension of the orthographic projection of the rock laminate on the first table. The support assembly 6 comprises a butting block 61, a sliding seat 62 is welded on the first workbench 1, the butting block 61 is slidably arranged in the sliding seat 62 in a penetrating mode, a connecting block 63 is welded at the front end of the butting block 61, a butting spring 64 is connected between the connecting block 63 and the sliding seat 62, the rear end of the butting block 61 faces the notch 15 and is transversely fixed with a touching rod 65, the touching rod 65 extends to the upper portion of the sliding groove 11 and can be abutted against the cutting seat 41, a through hole 412 for a rock slice to pass through is formed in the cutting seat 41, the bottom of the through hole 412 is an inclined plane, and the inclined plane of the through hole and the inclined plane of the first workbench 1 on two sides of the sliding groove are located on the same plane.
The abutting spring 64 in this embodiment is selected as a tension spring, under the condition that no external force is applied, the rings of the abutting spring 64 are in a tight state and have no gap, when the cutting seat 41 slides to abut against the abutting rod 65, the abutting rod 65 drives the abutting block 61 to move and enable the tension spring to be in a tensile state, when the abutting block 61 slides in a direction away from the second supporting plate 14 and does not contact with the second supporting plate 14, the rock laminate can be dumped and drive the second supporting plate 14 to rotate, the second supporting plate 14 is in the same plane with the top surface of the first workbench 1, and as the top surfaces of the first workbench 1 and the second supporting plate 14 are both in an inclined state, the rock laminate can enter the second workbench 2 from the first workbench 1 after being dumped through the through hole 412 in the cutting seat 41, so that a worker can conveniently process the rock laminate on the second workbench 2, and the length and the width of the rock laminate conform to standard values.
Referring to fig. 4, a shaft 421 is welded to the central position of the bottom of the cutter head 42, a rotation groove 424 for the shaft 421 to rotate is formed at the top of the cutting seat 41, so that the cutter head 42 can rotate relative to the cutting seat 41 through the shaft 421, and after the rock sheet is cut from the rock raw material 7, the cutter head 42 can be rotated 180 ° to further process the rock sheet on the second table 2 by the cutter head 42. The positioning blocks 422 are arranged at the four corners of the bottom of the cutting machine head 42, positioning grooves 425 for inserting the positioning blocks 422 are formed at the four corners of the top of the cutting seat 41, the cutting machine head 42 is moved upwards for a certain distance and rotated, after the rotation is completed, the cutting machine head 42 is moved downwards, the positioning blocks 422 are inserted into the positioning grooves 425, and therefore the position of the cutting machine head 42 after the rotation can be fixed.
Referring to fig. 1 and 5, the second table 2 is located at the side of the lowest end of the first table 1, and two sets of fixing mechanisms 5 for fixing the rock sheet are provided on the second table 2, and the overall structures of the two sets of fixing mechanisms 5 are identical, except for the aspect ratio in terms of shape. The fixing mechanism 5 comprises a bottom plate 51, a rotating shaft 52 is arranged at the bottom of the bottom plate 51 and is rotatably arranged on the second workbench 2, extension plates 53 which outwards extend are slidably connected to the left end and the right end of the bottom plate 51, abutting bolts 511 for fixing the positions of the extension plates 53 are connected to the bottom plate 51 in a threaded mode, and fixing pieces 54 for fixing the positions of rock sheets are arranged on the front side and the rear side of the top surface of the bottom plate 51. One set of fixing mechanisms 5 is used for cutting two sides of the rock laminate in the length direction after fixing the rock laminate, and the other set of fixing mechanisms 5 is used for cutting two sides of the rock laminate in the width direction after fixing the rock laminate.
Referring to fig. 5 and 6, the fixing member 54 includes a fixing base 541, a compression screw 542 disposed vertically is screwed on the fixing base 541, a compression plate 543 is disposed at the bottom of the compression screw 542, and a rotation handle 544 is welded on the top of the compression screw 542. The pressing screw 542 is rotated by rotating the handle 544, namely, the pressing screw 542 can drive the pressing piece 543 to move downwards and abut against the rock slice, so that the stability of the rock slice in the processing process is improved.
Referring to fig. 6, the overhanging ends of the two extension plates 53 are both welded with a limiting plate 531 vertically, and display scales 532 are distributed on the extension plates 53 to indicate the length of the extension plates 53 extending out of the bottom plate 51. The distance between the limiting plate 531 and the center of the bottom plate 51 is half of the cut length or width of the rock slice, after the rock slice is placed on the bottom plate 51, the positions of the two extending plates 53 are adjusted to enable the extending lengths of the two extending plates 53 to be the same, meanwhile, the limiting plates 531 on the two extending plates 53 are respectively abutted against two opposite side edges of the rock slice, after one side edge of the rock slice is cut through the cutting machine head 42, the bottom plate 51 is rotated 180 degrees to cut the opposite side edge, and therefore the whole length or width of the rock slice can meet the standard; and then the rock slice is taken out and put on another group of fixing mechanisms 5, and the cutting machine head 42 is continuously moved to cut the two remaining sides of the rock slice, so that the whole width or length of the rock slice can meet the standard.
In order to avoid that the bottom plate 51 rotates during processing to influence the processing, a rotation stopping groove 21 is formed in the second workbench 2 and located on one side of the bottom plate 51, the length direction of the rotation stopping groove 21 is along the transverse direction of the second workbench and is close to the side edge of the bottom plate 51, obviously, the side edge extends along the transverse direction of the second workbench, a stop plate 22 is inserted into the rotation stopping groove 21, and the stop plate 22 is abutted to the side edge of the bottom plate 51 and can stop the bottom plate 51 to rotate. When the bottom plate 51 needs to be rotated, the limit of the position of the bottom plate 51 can be released by taking the stop plate 22 out of the rotation stop groove 21; after the rotation of the bottom plate 51 is completed, the position of the bottom plate 51 can be limited by inserting the stopper plate 22 into the rotation stopping groove 21, so that the bottom plate 51 is not rotated any more.
Referring to fig. 5, in order to process rock laminate samples of different sizes as required, a plurality of through holes for rotation of the rotation shaft 52 are opened in the width direction of the second table 2 at the lower portions of the two sets of fixing mechanisms 5 on the second table 2. The rotary shaft 52 on the bottom plate 51 is inserted into the through holes at different positions, that is, the interval between the rotary shaft 52 and the cutting blade 423 on the cutting head 42 can be changed, so that the length or width of the cut rock slice sample can be changed.
The working process of the embodiment is as follows: the rock raw material 7 is fixed through the pressing mechanism 3, the cutting head 42 is started, the driving mechanism 12 drives the cutting seat 41 to move, the cutting blade 423 on the cutting head 42 cuts the rock raw material 7, and the moving-out piece 411 moves the rock slice cut from the rock raw material 7 to the position of the second supporting plate 14 after cutting is completed; when the cutting seat 41 slides to be abutted against the touch rod 65, the touch rod 65 drives the abutting block 61 to move and enables the tension spring to be in a tensile state, when the abutting block 61 slides in a direction away from the second supporting plate 14 and is not in contact with the second supporting plate 14, rock slices can topple over and drive the second supporting plate 14 to rotate, the second supporting plate 14 is in the same plane with the top surface of the first workbench 1, and the rock slices can just pass through the through hole 412 on the cutting seat 41 from the first workbench 1 and enter the second workbench 2 by using an inclined plane after toppling over, so that a worker does not need to manually transport the rock slices to the second workbench 2; the second support plate 14 is manually reset by a person;
fixing the rock slice on the first group of fixing mechanisms 5, changing the orientation of the cutting machine head 42 to be towards one side where the second workbench is located, starting the driving mechanism 12 and driving the cutting machine head 42 to move reversely, and cutting the two ends of the rock slice on the first group of fixing mechanisms 5 to enable the length of the rock slice to meet the standard; the rock laminate is then secured to the second set of securing means 5 and the remaining two sides of the rock laminate are cut by the cutting head 42 to bring the width of the rock laminate to standard.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. Test block cutting device for dry-hot rock damage fracture test, its characterized in that: comprises a workbench, a pressing mechanism (3) for fixing rock raw materials, a cutting mechanism (4) and at least one fixing mechanism (5) for fixing rock sheets; the pressing mechanism (3) and the fixing mechanism (5) are respectively arranged at two lateral sides of the workbench, the cutting mechanism (4) is arranged at a position between the pressing mechanism (3) and the fixing mechanism (5), the cutting mechanism (4) comprises a cutting seat (41) and a cutting machine head (42) which is rotatably arranged at the top of the cutting seat and can be locked at one side close to the pressing mechanism (3) or one side of the fixing mechanism (5), the cutting seat (41) is arranged on the workbench through a guide structure and is driven by a driving mechanism (12) to slide back and forth in the longitudinal direction of the workbench, a through hole (412) for a rock slice to pass through is formed in the cutting seat (41), a moving-out piece (411) for driving the cut rock slice to move out of the pressing mechanism (3) is arranged at the rear side of the cutting seat (41), and a cutting blade (423) for cutting rock raw materials is arranged on the cutting machine head (42);
the top surface of the workbench is obliquely arranged from one side where the pressing mechanism (3) is located to one side where the fixing mechanism (5) is located, a first supporting plate (13) for supporting rock raw materials and a second supporting plate (14) are arranged on the top surface of the workbench, the first supporting plate (13) and the pressing mechanism (3) are oppositely arranged, two sides of the cutting blades are arranged in a row, a notch (15) is formed in the workbench at the front side of the first supporting plate (13), the second supporting plate (14) is rotatably arranged in the notch (15), and a supporting component (6) is arranged at the back of the front side of the second supporting plate (14);
the supporting assembly (6) comprises an abutting block (61), a sliding seat (62), a connecting block (63), an abutting spring (64) and a touch rod (65), wherein the sliding seat (62) is fixed on a workbench at the front side of the notch (15), the abutting block (61) is arranged in the sliding seat (62) in a sliding manner, the connecting block (63) is fixedly arranged at the front end of the abutting block (61), the abutting spring (64) is arranged between the connecting block (63) and the sliding seat (62), a backward spring force is applied to the abutting block (61) through the connecting block (63), and the touch rod (65) is arranged at the rear end of the abutting block (61), transversely extends to the upper side of the guide structure and can be abutted against the cutting seat (41);
the moving-out piece (411) is L-shaped and comprises a cross rod (4111) and a vertical rod (4112), the cross rod (4111) is transversely and fixedly arranged at the rear side of the cutting seat (41) and is higher than the first supporting plate (13), the vertical rod (4112) is fixedly arranged at the overhanging end of the cross rod (4111) and is positioned at one side of the first supporting plate (13) facing the pressing mechanism, and therefore cut rock sheets can be pushed.
2. The test block cutting device for dry-hot rock damage fracture test according to claim 1, wherein: the center position of cutting aircraft nose (42) bottom is provided with spindle (421), rotary groove (424) that supply spindle (421) pivoted are seted up at the top of cutting seat (41), the bottom four corners of cutting aircraft nose (42) all is provided with locating piece (422), locating slot (425) that supply locating piece (422) to insert are all seted up at the top four corners of cutting seat (41), lock cutting aircraft nose (42) in being close to hold-down mechanism one side or fixed establishment one side.
3. The test block cutting device for dry-hot rock damage fracture test according to claim 1, wherein: the fixing mechanism (5) comprises a bottom plate (51), fixing pieces (54) for fixing positions of rock sheets and two extending plates (53), the bottom plate (51) is positioned on the workbench, the extending plates (53) transversely overhanging along the workbench are arranged at two ends of the bottom plate (51) in a sliding mode, the bottom plate (51) is connected with abutting bolts (511) for fixing the positions of the extending plates (53) in a threaded mode, and the fixing pieces (54) are arranged on the side face or the top face of the bottom plate (51).
4. The test block cutting device for dry-hot rock damage fracture test according to claim 3, wherein: the bottom of the bottom plate (51) is provided with a rotating shaft (52), the workbench is provided with a plurality of through holes (521) for the rotating shaft (52) to rotate, and the through holes are distributed along the transverse direction of the workbench.
5. The test block cutting device for dry-hot rock damage fracture test according to claim 3, wherein: the overhanging ends of the two extending plates (53) are vertically provided with limiting plates (531), and display scales (532) for indicating the extending length are distributed on the extending plates (53).
6. The test block cutting device for dry-hot rock damage fracture test according to claim 3, wherein: be provided with the structure of stopping changeing of bottom plate (51) on the workstation, including stopping baffle (22) and stopping change groove (21), stopping change groove (21) transversely offer on the workstation, be located the side of bottom plate (51), stopping baffle (22) vertical insertion stopping change groove (21), stopping baffle (22) and the side looks butt of bottom plate (51) and can block bottom plate (51) and take place to rotate.
7. The test block cutting device for dry-hot rock damage fracture test according to claim 3, wherein: the fixing piece (54) comprises a fixing seat (541), a compression screw (542) and a compression sheet (543), wherein the fixing seat (541) is fixed on the bottom plate (51), the compression screw (542) is vertically in threaded connection with the fixing seat (541), the compression sheet (543) is fixed at the lower end of the compression screw (542), and a rotating handle (544) is arranged at the top of the compression screw (542).
CN202210719562.6A 2022-06-23 2022-06-23 Test block cutting device for dry-hot rock damage cracking test Active CN114905642B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210719562.6A CN114905642B (en) 2022-06-23 2022-06-23 Test block cutting device for dry-hot rock damage cracking test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210719562.6A CN114905642B (en) 2022-06-23 2022-06-23 Test block cutting device for dry-hot rock damage cracking test

Publications (2)

Publication Number Publication Date
CN114905642A CN114905642A (en) 2022-08-16
CN114905642B true CN114905642B (en) 2023-09-08

Family

ID=82772427

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210719562.6A Active CN114905642B (en) 2022-06-23 2022-06-23 Test block cutting device for dry-hot rock damage cracking test

Country Status (1)

Country Link
CN (1) CN114905642B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1437208A1 (en) * 2002-11-28 2004-07-14 G. Participations Apparatus for cutting plate-shaped materials
CN210061629U (en) * 2019-04-22 2020-02-14 绍兴市岩彩新型建材有限公司 Fixed length value adjustable slabstone cutting machine
CN111136385A (en) * 2020-01-15 2020-05-12 南通领翰激光科技有限公司 Laser cutting machine convenient to operation
CN212421812U (en) * 2020-05-06 2021-01-29 江门市新会区金裕新型墙体有限公司 Brick cutting machine that stability is high
CN213971947U (en) * 2020-12-08 2021-08-17 河南远洋新材料技术有限公司 Automatic cutting device
CN214108467U (en) * 2020-12-21 2021-09-03 常熟市金标气门咀有限公司 Multi-station inflating valve automatic processing punch press

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1437208A1 (en) * 2002-11-28 2004-07-14 G. Participations Apparatus for cutting plate-shaped materials
CN210061629U (en) * 2019-04-22 2020-02-14 绍兴市岩彩新型建材有限公司 Fixed length value adjustable slabstone cutting machine
CN111136385A (en) * 2020-01-15 2020-05-12 南通领翰激光科技有限公司 Laser cutting machine convenient to operation
CN212421812U (en) * 2020-05-06 2021-01-29 江门市新会区金裕新型墙体有限公司 Brick cutting machine that stability is high
CN213971947U (en) * 2020-12-08 2021-08-17 河南远洋新材料技术有限公司 Automatic cutting device
CN214108467U (en) * 2020-12-21 2021-09-03 常熟市金标气门咀有限公司 Multi-station inflating valve automatic processing punch press

Also Published As

Publication number Publication date
CN114905642A (en) 2022-08-16

Similar Documents

Publication Publication Date Title
CN110057698B (en) Cylinder concrete test block splitting device and splitting method
CN114905642B (en) Test block cutting device for dry-hot rock damage cracking test
CN215787056U (en) Plate shearing machine
CN109623649A (en) A kind of electronic stationary fixture of sample holder formula and method for polishing
CN211733359U (en) Film slitting mechanism
CN219881470U (en) Square battery disassembling device
CN203592584U (en) Multifunctional cutting device
CN217620812U (en) Billboard cutting device
CN216329209U (en) Automatic rock stone sawing machine with limiting mechanism
CN213226412U (en) Reciprocating type herbal pieces-cutting device
CN219748250U (en) Efficient slicing machine
CN220178285U (en) Plate shearing device for manufacturing parts
CN217618136U (en) Plate cutting machine
CN217571906U (en) Fixed plate structure for trimming machine
CN220279795U (en) Slicer for cutting piece
CN219094721U (en) Bearing pin cutting device
CN213560271U (en) Material limiting mechanism of aluminum material cutting equipment
CN217966696U (en) Nonstandard parts machining frock
CN217620878U (en) Environment-friendly strip material's perforating device
CN216990122U (en) Centering adjusting device used in front of circle shear
CN220432627U (en) Glass cutting device
CN212526517U (en) Building materials slitter edge cutting device
CN219583094U (en) Plank slitting device
CN220120408U (en) Pathological section device
CN109604697B (en) Tool bit using waste tools

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant