CN113146857B - Diamond rope saw carrier for nuclear facility dismantling - Google Patents
Diamond rope saw carrier for nuclear facility dismantling Download PDFInfo
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- CN113146857B CN113146857B CN202110478148.6A CN202110478148A CN113146857B CN 113146857 B CN113146857 B CN 113146857B CN 202110478148 A CN202110478148 A CN 202110478148A CN 113146857 B CN113146857 B CN 113146857B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/08—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with saw-blades of endless cutter-type, e.g. chain saws, i.e. saw chains, strap saws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/08—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with saw-blades of endless cutter-type, e.g. chain saws, i.e. saw chains, strap saws
- B28D1/088—Sawing in situ, e.g. stones from rocks, grooves in walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention provides a diamond wire saw carrier for nuclear facility demolition, which comprises a wall body locking structure, a segmented base truss structure, a lifting motor and a gear rack, wherein a horizontal moving mechanism comprises an I-shaped steel guide rail, a horizontal lead screw, a moving motor and the like, and a wire saw overturning structure comprises an overturning mechanism, a horizontal locking mechanism and a vertical locking mechanism. The wall body locking mechanism is used for quickly installing and locking the segmented truss structure on a wall body, the lifting motor drives the gear rack to drive the rope saw support frame to move up and down along the lifting guide rail, and the support frame carries the horizontal moving mechanism and the rope saw turnover mechanism. After reaching the preset height, the horizontal moving motor drives the rope sawing machine turnover mechanism to horizontally move along the I-shaped steel guide rail through the sliding block to reach the preset position. After reaching the vertical position, the vertical locking block is matched with the locking groove on the bottom plate of the diamond rope saw to complete the positioning and locking when the diamond rope saw is cut and detached in the vertical direction. The invention can efficiently dismantle the entire retired nuclear facility wall.
Description
Technical Field
The invention relates to a diamond wire saw carrier for dismantling nuclear facilities, and belongs to the technical field of nuclear engineering.
Background
The diamond wire saw has the advantages of light structure, wide operation objects, low environmental pollution degree and strong adaptability to operation places and operation object shapes, and is used in the work of special fields such as seabed equipment maintenance, waste nuclear equipment dismantling and the like. Aiming at the dismantling of retired nuclear facilities, the structural shape of a nuclear power station is complex, and because the containment vessel has a large volume, the diamond wire saw has to be frequently moved to different heights and different horizontal positions for cutting and dismantling operation, and how to install the wire saw on the outer wall body of the containment vessel is also the current technical problem. The facilities of the nuclear power station are accompanied by strong radiation, the wall body needs to be cut into a plurality of regular blocks and sequentially removed, the generation of excessive radiation is avoided, the workload is huge, the block cutting needs to be completed, high-altitude operation of constructors and turning of a diamond wire saw manually, and a series of problems of frequent operation, long construction time, danger of radiation injury and the like exist.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a diamond wire saw carrier for nuclear facility demolition, which is used for automatically carrying a diamond wire saw to different operation positions, automatically turning over the wire saw to cut blocks and efficiently demolishing the entire retired nuclear facility wall.
The purpose of the invention is realized as follows: the rope saw turnover mechanism comprises an integral structure consisting of a locking shaft shoulder and a locking shaft, an operating handle arranged on the locking shaft shoulder, a locking screw rod arranged in a manner of being matched with the operating handle, and a locking claw arranged between the end part of the locking screw rod and the end part of the locking shaft, wherein the end part of the locking screw rod penetrates through the locking shaft shoulder and the locking shaft; but sectional type base member truss structure is including being the truss that inverted triangle structure and segmentation were arranged, setting up the locking boss on every truss one side, the locking shoulder contacts with the locking boss, all is provided with the through-hole that suits with locking axle size on locking boss and the wall body.
The invention also includes such structural features:
1. every group goes up and down to lock the structure including setting up at the riser guide that corresponds the truss opposite side, the lifting screw who sets up on riser guide, install rope saw support frame on riser guide, the elevator motor of setting on rope saw support frame, the gear of setting at the elevator motor output, a pair of latch segment guiding axle of setting at rope saw support frame lower extreme, the latch segment of setting on the latch segment guiding axle, the locking double-end pneumatic cylinder of setting between two latch segments, the gear meshes with the profile of tooth structure of lifting screw, two latch segments draw close the lift guide, accomplish the locking location.
2. The horizontal moving mechanism comprises two I-shaped steel guide rails, a horizontal lead screw and a horizontal moving motor, wherein the two I-shaped steel guide rails are arranged between the two wire saw support frames, and the horizontal lead screw is arranged between the two I-shaped steel guide rails.
3. Rope saw tilting mechanism includes tilting mechanism, horizontal locking mechanism and vertical locking mechanism, tilting mechanism is including setting up the rope saw upset support on the I-steel guide rail, the trip shaft of setting between rope saw upset support upper end, the upset motor of drive trip shaft motion, set up the V type frame on the trip shaft, the horizontal migration motor sets up on rope saw upset support, its output is connected with the removal slider, the removal slider sets up on horizontal lead screw, diamond rope saw sets up on V type frame.
4. Horizontal locking mechanism is including setting up two triangle extension boards in rope saw upset support one side, the riser of setting on two triangle extension boards, the horizontal locking inner panel of setting on the riser, the horizontal locking pneumatic cylinder of setting on horizontal locking inner panel, two check lock levers of being connected with locking pneumatic cylinder output, the latch segment of being connected with the check lock lever, the horizontal locking planking of intermediate position on the V type frame is set up to the setting, the latch segment stretches into to the recess on horizontal locking inner panel and the horizontal locking planking, and horizontal locking inner panel and horizontal locking planking cooperation.
5. The vertical locking mechanism comprises a positioning plate arranged on the V-shaped frame, a positioning lower plate arranged on the rope saw turning support, two vertical locking hydraulic cylinders arranged on the rope saw turning support and a vertical locking block connected with the output ends of the two vertical locking hydraulic cylinders, wherein the vertical locking block is matched with a locking groove on the diamond rope saw base after penetrating through a connecting plate arranged on the rope saw turning support, a positioning block is arranged on the positioning plate, and a positioning hole matched with the positioning block is formed in the positioning lower plate.
Compared with the prior art, the invention has the beneficial effects that: after the diamond wire saw machine carrier is installed, the diamond wire saw machine can be effectively guided to complete the dismantling of the whole retired nuclear facility wall, the dismantling efficiency is improved, and the personnel construction time is reduced; the wall locking mechanism can quickly and effectively lock the base truss structure, the base truss structure adopts a segmented module type, and the matching of the base truss structure and the segmented module type can fully meet the requirements of layout and locking of a carrier base of the diamond wire saw on a huge wall, thereby laying a foundation for the track motion of the diamond wire saw; the rope saw turnover mechanism can automatically complete cutting and turning during block dismantling, horizontal cutting and vertical cutting of a wall can be completed after one-time installation, and the requirement for block-by-block cutting and dismantling of decommissioned nuclear facility walls is met; in tilting mechanism, design multiunit pneumatic cylinder drive locking structure for diamond wire saw after the upset angle can be locked and the unblock, effectively ensures diamond wire saw's diversion cutting feasible.
Drawings
FIG. 1 is a general block diagram of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a block diagram of a segmented matrix truss according to the present invention;
FIGS. 4a-c are views of the lift lock configuration of the present invention;
FIG. 5 is a view of the unlocked state of the wall locking mechanism of the present invention;
FIG. 6 is a diagram of the locking state of the wall locking mechanism of the present invention;
FIG. 7 is a block diagram of the diamond wire saw of the present invention;
FIG. 8 is a structural view of the turning bracket of the rope saw of the present invention;
FIG. 9 is a vertical cutting state view of the rope saw turnover mechanism of the present invention;
FIG. 10 is a vertical view of the turnover mechanism of the wire saw of the present invention;
FIG. 11 is a horizontal cutting state view of the rope saw turnover mechanism of the present invention;
FIG. 12 is a vertical view of the turnover mechanism of the wire saw of the present invention;
FIG. 13 is a horizontal locking state diagram of the rope saw turnover mechanism of the present invention;
FIG. 14 is a horizontal unlocking state diagram of the rope saw turnover mechanism of the present invention;
the main reference numbers in the figures illustrate:
1. nuclear power plant wall, 2, lifting mechanism, 3, horizontal moving mechanism, 4, rope saw turnover mechanism, 201, wall locking mechanism, 2011, wall locking claw, 2012, wall locking shaft, 2013, locking operating handle, 2014, locking screw, 2015, locking shaft shoulder, 202, segmented substrate truss structure, 203, lifting locking structure, 2031, lifting screw, 2032, lifting guide rail, 2033, locking block, 2034, rope saw support frame, 2035, lifting motor, 2036, locking double-head hydraulic cylinder, 2037, locking block guide shaft, 2038, locking boss, 301, I-shaped steel guide rail, 302, horizontal screw, 303, horizontal moving motor, 401, diamond rope saw, 4011, diamond rope saw base plate, 4012, locking groove, 4013, diamond rope, 402, sliding block, 403, rope saw turnover support frame, 404, turnover motor, 405, horizontal locking mechanism, 4051, triangular support plate, 4052. the locking device comprises a vertical plate, 4053, a horizontal locking inner plate, 4054, a horizontal locking hydraulic cylinder, 4055, a locking rod, 4056, a locking block, 4057, a horizontal locking outer plate, 406, a V-shaped frame, 407, a vertical locking structure, 4071, a vertical locking block, 4072, a vertical locking hydraulic cylinder, 408, a positioning plate, 4081, a positioning block and 409 positioning the lower plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The carrier comprises a lifting mechanism, a horizontal moving mechanism and a rope saw turnover mechanism, wherein the lifting mechanism, the horizontal moving mechanism and the rope saw turnover mechanism are arranged on a wall body. The lifting mechanism comprises a sectional type matrix truss structure, a wall body locking mechanism for locking and installing the sectional type matrix truss structure and a wall body, a rope saw support frame arranged on the truss structure, a lifting motor, a gear rack, a double-head hydraulic cylinder and a locking block; the wall body locking mechanism can be quickly matched with a through hole which is formed in the wall body in advance to lock the segmented base truss structure, and the number of segments of the segmented truss structure can be correspondingly changed according to the difference of the height of the wall body. The gear rack is driven by the lifting motor to drive the rope saw frame to start lifting, and after the rope saw frame reaches a specified place, the double-end hydraulic cylinder drives the locking blocks to approach, so that positioning and locking are completed. All truss structures are mutually spliced, and the gear rack is driven by power, so that the rope saw can meet the requirements of different heights for facility dicing. The horizontal moving mechanism comprises I-shaped steel guide rails at two ends, a power motor and a horizontal moving rack gear, wherein the I-shaped steel guide rails at two ends are arranged on the two-end rope saw machine frame; after the rope sawing machine reaches the designated height under the action of the lifting mechanism, the gear on the horizontally moving gear wheel is driven by the power motor to push the diamond rope sawing machine to horizontally move to the designated horizontal position along the I-shaped steel guide rail through the sliding blocks at the two ends. The rope saw turnover mechanism comprises a turnover mechanism, a horizontal locking mechanism and a vertical locking mechanism; wherein the turnover mechanism comprises a rope saw turnover support, a rotating motor, a V-shaped frame, a sliding block and a diamond rope saw. The horizontal cutting locking mechanism comprises a triangular support plate, a vertical plate, a horizontal locking hydraulic cylinder, a horizontal locking outer plate, a horizontal locking inner plate and the like. The vertical locking mechanism comprises a positioning plate, a positioning lower plate, a vertical locking hydraulic cylinder and a vertical locking block. Driven by a rotating motor arranged on one side of the bracket, the V-shaped frame drives the diamond wire saw to rotate around the rotating shaft to the horizontal or vertical direction, so that the requirement on the cutting of decommissioned nuclear facilities is met. When the horizontal cutting is needed to be completed, the diamond wire saw is rotated to the horizontal position, the horizontal locking outer plate and the locking inner plate are matched with each other, and the horizontal locking hydraulic cylinder pushes the locking block to complete locking. When the cutting in the vertical direction needs to be finished, the diamond wire saw is rotated to the vertical direction, and after the positioning plate is positioned, the vertical locking hydraulic cylinder pushes the vertical locking block to finish locking. Therefore, after the installation is completed once, the designed carrier can complete the block-by-block dismantling of the entire decommissioned nuclear facility wall, and the efficiency is greatly improved.
The working process of the invention is as follows: the method is characterized in that a wall locking mechanism in a lifting mechanism quickly and effectively locks and installs a truss structure on a decommissioned nuclear facility wall through a through hole which is punched on the wall in advance and a sectional type base truss structure through hole, a lifting motor drives a rope saw support frame carrying a horizontal moving mechanism and a rope saw turnover mechanism to lift, and after the rope saw support frame reaches workplaces with different heights, a double-head locking hydraulic cylinder pushes a locking block to approach a lifting guide rail, so that the positioning locking with different heights is completed. After the height is positioned, a moving motor in the horizontal moving mechanism drives a gear rack, so that the rope saw turnover mechanism starts to horizontally move along an I-shaped steel guide rail in the horizontal moving mechanism through the sliding block and can reach different operation positions in the same horizontal plane. The rope saw turnover mechanism can turn the diamond rope saw to a horizontal position or a vertical position according to the direction needing to be cut, and the decommissioning of the decommissioned facilities is completed. The design has the main characteristics that: the carrier lifting mechanism can convey the rope saw to any height on a wall body, the horizontal moving mechanism can convey the rope saw to any different positions of the same height, and the rope saw turnover mechanism can reasonably turn the diamond rope saw to the horizontal or vertical cutting direction according to the block-shaped requirement for cutting and dismantling, so that the task requirement is met. After the ground constructor is installed once, the carrier can send the rope saw to any position on the decommissioned nuclear facility wall body, automatically overturns, cuts and demolishs the angle, and the gradual regular block-forming demolishment of the entire decommissioned equipment wall body is efficiently completed, so that the radiation block body is convenient to recover, and dangers such as radiation of personnel working at heights are avoided.
The work flow of the wall locking mechanism is as follows: a through hole is punched in the wall body of the nuclear facility in advance, when the locking matrix truss structure is locked on the wall body, the locking claw is closed by operating the locking operation handle on the wall body locking mechanism, and the locking shaft and the locking claw penetrate through the locking boss hole on the truss structure and the through hole on the wall body together. After the whole wall locking shaft penetrates through the wall, the locking operation handle is rotated to expand and open the locking claws, the handle is rotated until the locking shaft shoulder and the wall locking claws tightly embrace the locking boss and the wall, and the truss structure is installed on the wall; when the truss is to be detached from the wall body, the locking operating handle is rotated reversely, the locking claws begin to be folded from the open state until the locking claws are folded to a size capable of penetrating through the through holes in the locking bosses and the through holes in the wall, at the moment, the wall body locking mechanism can exit from the through holes together with the wall body locking shaft, and the truss structure can be separated from the wall body; the wall locking mechanism is convenient and quick to install and dismantle, and the fixed locking installation mode is suitable for the decommissioned nuclear facility high wall.
In the sectional type matrix truss structure, all the sections of racks are attached to the truss structure to avoid stress bending, all the sections are matched with each other to be paved in a long distance, and the lifting motor is arranged on a supporting frame of the rope sawing machine and drives the supporting frame to move up and down along a lifting guide rail through the gear rack; the rope saw support frame carries the horizontal moving mechanism and the rope saw turnover mechanism, so that the requirements on different height operation of the rope saw are met; the locking block is installed on the locking block guide shaft on the rope saw support frame, the double-end hydraulic cylinder is directly connected with the locking block, and after the rope saw support frame is lifted to a preset position, the double-end hydraulic cylinder arranged in pairs pushes the locking block to start positioning and locking along the guide on the support frame, so that the height positioning is completed.
The horizontal moving mechanism comprises an I-shaped steel guide rail, a horizontal lead screw and a horizontal moving motor. The I-steel guide rail and the horizontal lead screw are arranged on the support frame of the wire saw, and the horizontal moving motor is arranged on the support frame of the turnover mechanism. After the lifting mechanism finishes the height adjustment of the turnover mechanism, the horizontal moving mechanism starts to be driven by the moving motor, so that the turnover mechanism of the rope sawing machine starts to horizontally move along the I-shaped steel guide rails in symmetrical arrangement through the sliding blocks until the horizontal preset cutting and dismantling position is reached, and the horizontal positioning is finished.
The rope saw turnover mechanism comprises a turnover mechanism, a horizontal locking mechanism and a vertical locking mechanism. The turnover mechanism comprises a rope saw turnover support, a rotating motor, a V-shaped frame, a sliding block and a diamond rope saw; the horizontal locking mechanism comprises a triangular support plate, a vertical plate, a horizontal locking hydraulic cylinder, a horizontal locking outer plate and a horizontal locking inner plate; the vertical locking mechanism comprises a positioning plate, a positioning lower plate, a vertical locking hydraulic cylinder and a vertical locking block. Tilting mechanism passes through the slider to be installed on horizontal migration mechanism, and horizontal locking mechanism passes through the triangle extension board to be installed on tilting mechanism, and vertical locking mechanism then directly sets up to install on the tilting mechanism right side. The three parts are mutually matched to finish the horizontal and vertical dismantling and processing of the diamond wire saw.
The turnover mechanism, the horizontal locking mechanism and the vertical locking mechanism in the turnover mechanism of the rope saw are matched with each other for operation. When needing vertical direction cutting, install the upset motor drive V type frame in upset support one side and drive the diamond wire saw machine rotation, locating plate and location hypoplastron cooperation back, two sets of vertical locking pneumatic cylinders drive respectively vertical latch segment and diamond wire saw bottom plate on distribute in the locking groove cooperation at both ends, accomplish the location locking when vertical direction cutting is demolishd. When the cutting in the horizontal direction needs to be finished, the two groups of vertical locking hydraulic cylinders move reversely, so that the vertical locking blocks exit from the locking grooves, and the diamond wire saw is released; the upset motor begins to drive V type frame and drives diamond wire saw machine antiport to horizontal position, and horizontal locking planking and horizontal locking inner panel are accomplished the cohesion, and horizontal locking pneumatic cylinder drive check lock lever, check lock lever promote both ends latch segment and accomplish the locking to horizontal locking planking and locking inner panel, and the check lock lever is in the auto-lock state this moment, ensures the feasibility of locking. The horizontal locking mechanism and the vertical locking mechanism can finish the block-shaped dismantling of the wall body in the cutting process under the mutual matching of the turnover mechanism.
As shown in fig. 1, fig. 3, fig. 4a-c, fig. 5, fig. 6, fig. 9, fig. 10 and fig. 11, the diamond wire saw carrier for nuclear facility removal mainly comprises a lifting mechanism 2, a horizontal moving mechanism 3 and a wire saw turnover mechanism 4. All parts are sequentially arranged on the outer wall 1 of the retired nuclear power station. Elevating system 2 passes through wall body locking mechanism 201 and installs on wall body 1 fast sectional type base member truss structure 202, and according to the height difference of wall body, the sectional type base member truss structure 202 figure of adoption is different, and the three-section cooperates each other in this design, accomplishes building of whole wall body height orbit of climbing. The locking mechanism 201 is an integrated mechanism, the locking shoulder 2015 and the locking shaft 2012 are fixed and integrated, the operating handle 2013 is installed on the locking shoulder, and the locking screw 2014 is installed with the operating handle 2015 in a matched mode and penetrates through the locking shoulder 2015 and the locking shaft 2012 to reach the rear end. The locking claw 2011 is respectively installed with the rear end of the locking shaft and the rear end of the locking screw in a matching manner. When the matrix truss is installed: the wall locking claw 2011 and the wall locking shaft 2012 in the wall locking mechanism 201 in the unlocked state sequentially pass through the through hole of the locking boss 2038 on the segmented base truss structure 202 and the through hole previously drilled on the wall 1. At this moment, locking boss 2038 is hugged closely with wall body 1, and locking shoulder 2015 and locking boss 2038 contact completely, through rotatory locking operating handle 2013 of installing on locking shoulder 2015 for locking lead screw 2014 outwards moves, and wall body locking claw 2011 begins the inflation, and locking claw 2011 and locking shoulder 2015 are complete with locking boss 2038 and wall body 1 locking, lock sectional type base body truss structure 202 to appointed nuclear power station wall body 1 on so far. When the base truss is removed after the final completion of the removal of the wall: the locking operating handle 2013 is rotated reversely, so that the locking claw 2011 is folded to a size which can pass through the through hole, and can be withdrawn from the through hole to finish unlocking and dismantling. The lifting screw 2031 is directly mounted on the surface of the lifting guide rail 2032, so that the phenomenon that the lifting screw is bent and deformed to cause stagnation of lifting movement or even locking in a long distance and under stress is effectively avoided. The lift motor 2035 is mounted on the rope saw support 2034 and drives the rope saw support 2034 to ascend and descend along the lift rail 2032. The locking block 2033 is mounted on the locking block guide shaft 2037 of the support frame 2034, and the two ends of the locking double-headed hydraulic cylinder 2036 are mounted on the locking blocks 2033 at the left and right ends, respectively. The lifting mechanism 2 meets the requirements of the diamond wire saw 401 on different heights in the decommissioned nuclear power station wall 1 during cutting, and when the preset place is reached, the telescopic rod of the locking double-head hydraulic cylinder 2036 moves inwards to enable the locking blocks 2033 to be close to and embrace the lifting guide rail 2032, so that the locking and positioning tasks are completed.
And reaches a designated height through the lifting mechanism 2. The horizontal movement mechanism 3 is installed on the wire saw support frame 2034, and the wire saw turnover mechanism 4 is installed on the horizontal movement mechanism through the slider 402. The horizontal moving motor 303 is installed on the bottom plate of the turnover mechanism 4, and the I-shaped steel guide rail 301 and the horizontal lead screw 302 are arranged in parallel. The horizontal movement motor 303 drives the gear to move on the horizontal lead screw 302, thereby driving the wire saw turnover mechanism 4 to move along the I-beam guide rail 301 through the slider 402, and never reaching a predetermined horizontal position.
After the turnover mechanism 4 reaches the designated position, a turnover motor 404 arranged on a turnover support 403 of the rope saw drives a V-shaped frame 406 to rotate, so that the diamond rope saw 401 is driven to rotate to a horizontal position or a vertical position, and the task of cutting the decommissioned nuclear facility wall body 1 into regular blocks and gradually dismantling the blocks is completed. The alignment plate 408 is mounted on the V-shaped frame 406, the alignment lower plate 409 is mounted on the bracket 403, and symmetrically arranged vertical locking structures 407 are also mounted on the bracket 403. When the vertical wall cutting needs to be completed, the turning motor 404 drives the diamond wire saw 401 mounted on the V-shaped frame 406 to rotate to a vertical angle. The positioning block 4081 on the positioning plate 408 is matched with the positioning hole on the positioning lower plate 409 to complete the positioning in the vertical direction. The diamond wire saw 401 needs to be positioned and locked before being rotated to the vertical direction for cutting and dismantling. After the wire saw 401 is vertically positioned, two sets of vertical hydraulic cylinders 4072 in the vertical locking structure 407 push the vertical locking blocks 4071 to reach the vertical position respectively, and are matched with the locking grooves 4012 distributed at the two ends of the diamond wire saw base plate 4011 of the diamond wire saw 401 to complete the locking and positioning in the vertical direction. The diamond wire saw 401 completes the vertical cutting and needs to return to the horizontal position to complete the block-shaped dismantling of the wall. The two sets of vertical locking hydraulic cylinders 4072 drive the vertical locking blocks 4071 to exit the locking groove 4012 by telescopic rods, and the rope saw 401 is released. Horizontal locking inner plate 4053 is installed on riser 4052, and riser 4052 is installed and fixed through triangular support plate 4051 installed on both ends of bracket 403. The horizontal locking hydraulic cylinder 4054 has one end mounted on the locking inner plate 4053 and the other end connected to the locking bar 4055, and the other end of the locking bar 4055 can push the locking block 4056 which is slidably mounted on the locking inner plate 4053. The horizontal locking outer plate 4057 is fixedly mounted on the V-shaped frame 406. The diamond wire saw 401 is rotated to a horizontal position by the flipping motor 404. The horizontal locking outer plate 4057 and the horizontal locking inner plate 4053 are clasped, the piston rod of the horizontal locking hydraulic cylinder 4054 drives the locking rod 4055, and the locking rod 4055 pushes the locking blocks 4056 at two ends to lock the locking outer plate 4057 and the horizontal locking inner plate 4053. At this time, the two locking rods 4055 realize self-locking, ensuring locking feasibility. After the diamond beaded rope 4013 finishes horizontal cutting, the horizontal locking hydraulic cylinder 4054 drives the locking rod 4055 to drive the locking block 4056 to exit from the horizontal locking outer plate 4057, and the diamond rope saw 401 is released.
Through mutually supporting of elevating system 2, horizontal migration mechanism 3 and rope saw tilting mechanism 4, can accomplish after the diamond rope saw once installs, high-efficient demolising the useless nuclear facility wall body 1 of decommissioning of whole face, liberation constructor high altitude construction avoids receiving too much radiant danger.
In summary, the invention provides a diamond wire saw carrier for nuclear facility demolition, which mainly comprises a lifting mechanism, a horizontal moving mechanism and a wire saw turnover mechanism; the lifting structure comprises a wall body locking structure, a segmented base truss structure, a lifting motor, a gear rack and the like, the horizontal moving mechanism comprises an I-steel guide rail, a horizontal lead screw, a moving motor and the like, and the rope saw overturning structure comprises an overturning mechanism, a horizontal locking mechanism, a vertical locking mechanism and the like. The carrier is used for completing the movement positioning and the turning cutting of the diamond wire saw on the whole wall body after one-time installation. The wall body locking mechanism of carrier is used for installing the locking fast to the wall body with sectional type truss structure, and lift motor drive rack and pinion strip moves rope saw support frame along lifting guide rail up-and-down motion, and the support frame is carrying horizontal migration mechanism and rope saw tilting mechanism. Thus, the lifting motion of the wire saw is completed. After the preset height is reached, the wire saw turnover mechanism is driven by the movable motor in the horizontal movement mechanism to horizontally move along the I-shaped steel guide rail through the sliding block to reach the preset horizontal position. In the rope saw tilting mechanism, the last rotating electrical machines drive V type frame of tilting mechanism and drive the diamond rope saw rotation, and after reacing vertical position, two sets of vertical locking pneumatic cylinders drive respectively vertical latch segment and diamond rope saw bottom plate on distribute in the locking groove cooperation at both ends, accomplish the location locking when vertical direction cutting is demolishd. The vertical locking hydraulic cylinder moves reversely to enable the vertical locking block to exit from the locking groove, after the diamond wire saw is released, the overturning motor starts to drive the V-shaped frame to drive the diamond wire saw to rotate reversely to a horizontal position, the horizontal locking outer plate and the horizontal locking inner plate complete cohesion, and the horizontal locking hydraulic cylinder drives the locking block to lock to complete positioning locking when horizontal cutting is removed.
Claims (4)
1. The utility model provides a diamond wire saw carrier for nuclear facilities demolishs which characterized in that: the rope saw turnover mechanism comprises an integral structure consisting of a locking shaft shoulder and a locking shaft, an operating handle arranged on the locking shaft shoulder, a locking screw rod arranged in a manner of being matched with the operating handle, and a locking claw arranged between the end part of the locking screw rod and the end part of the locking shaft, wherein the end part of the locking screw rod penetrates through the locking shaft shoulder and the locking shaft; the segmented base truss structure comprises trusses which are in an inverted triangular structure and are arranged in a segmented mode, and locking bosses are arranged on one side of each truss, the locking shaft shoulders are in contact with the locking bosses, and through holes which are adaptive to the sizes of the locking shafts are formed in the locking bosses and the wall body; the rope saw turnover mechanism comprises a turnover mechanism, a horizontal locking mechanism and a vertical locking mechanism, wherein the turnover mechanism comprises a rope saw turnover support arranged on an I-shaped steel guide rail, a turnover shaft arranged between the upper ends of the rope saw turnover support, a turnover motor driving the turnover shaft to move and a V-shaped frame arranged on the turnover shaft; horizontal locking mechanism is including setting up two triangle extension boards in rope saw upset support one side, the riser of setting on two triangle extension boards, the horizontal locking inner panel of setting on the riser, the horizontal locking pneumatic cylinder of setting on horizontal locking inner panel, two check lock levers of being connected with locking pneumatic cylinder output, the latch segment of being connected with the check lock lever, the horizontal locking planking of intermediate position on the V type frame is set up to the setting, the latch segment stretches into to the recess on horizontal locking inner panel and the horizontal locking planking, and horizontal locking inner panel and horizontal locking planking cooperation.
2. A diamond wire saw carrier for nuclear plant demolition as recited in claim 1, wherein: every group goes up and down to lock the structure including setting up at the riser guide that corresponds the truss opposite side, the lifting screw who sets up on riser guide, install rope saw support frame on riser guide, the elevator motor of setting on rope saw support frame, the gear of setting at the elevator motor output, a pair of latch segment guiding axle of setting at rope saw support frame lower extreme, the latch segment of setting on the latch segment guiding axle, the locking double-end pneumatic cylinder of setting between two latch segments, the gear meshes with the profile of tooth structure of lifting screw, two latch segments draw close the lift guide, accomplish the locking location.
3. A diamond wire saw carrier for nuclear plant demolition as claimed in claim 1 or 2, wherein: the horizontal moving mechanism comprises two I-shaped steel guide rails, a horizontal lead screw and a horizontal moving motor, wherein the two I-shaped steel guide rails are arranged between the two wire saw support frames, and the horizontal lead screw is arranged between the two I-shaped steel guide rails.
4. A diamond wire saw carrier for nuclear plant demolition as claimed in claim 3, wherein: the vertical locking mechanism comprises a positioning plate arranged on the V-shaped frame, a positioning lower plate arranged on the rope saw turning support, two vertical locking hydraulic cylinders arranged on the rope saw turning support and a vertical locking block connected with the output ends of the two vertical locking hydraulic cylinders, wherein the vertical locking block is matched with a locking groove on the diamond rope saw base after penetrating through a connecting plate arranged on the rope saw turning support, a positioning block is arranged on the positioning plate, and a positioning hole matched with the positioning block is formed in the positioning lower plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478148.6A CN113146857B (en) | 2021-04-30 | 2021-04-30 | Diamond rope saw carrier for nuclear facility dismantling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478148.6A CN113146857B (en) | 2021-04-30 | 2021-04-30 | Diamond rope saw carrier for nuclear facility dismantling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113146857A CN113146857A (en) | 2021-07-23 |
| CN113146857B true CN113146857B (en) | 2022-08-02 |
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