CN116715133A - Steel rail hoisting lifting appliance with adjustable lifting point - Google Patents
Steel rail hoisting lifting appliance with adjustable lifting point Download PDFInfo
- Publication number
- CN116715133A CN116715133A CN202311006352.3A CN202311006352A CN116715133A CN 116715133 A CN116715133 A CN 116715133A CN 202311006352 A CN202311006352 A CN 202311006352A CN 116715133 A CN116715133 A CN 116715133A
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- fixedly connected
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- rod
- cross beam
- lifting
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 68
- 239000010959 steel Substances 0.000 title claims abstract description 68
- 230000003028 elevating effect Effects 0.000 claims description 25
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000005389 magnetism Effects 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010012411 Derailment Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/425—Gripping members engaging only the external or internal surfaces of the articles motor actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a steel rail hoisting lifting appliance with an adjustable lifting point, which comprises a cross beam, wherein a cavity is formed in the cross beam, a rectangular square hole is formed in the bottom of the outer wall of the cross beam, the rectangular square hole is communicated with the cavity and the outside, a self-tightening mechanism is slidably connected to the inner wall of the rectangular square hole, and a balance rod mechanism is fixedly connected to the inner top of the cross beam.
Description
Technical Field
The invention relates to the technical field of steel rail hoisting, in particular to a steel rail hoisting lifting appliance with an adjustable lifting point.
Background
Rails are steel rails used in railway transportation systems, typically cast from high quality steel, with sufficient strength and durability to withstand the weight of the train and the traffic pressure. Rails are typically manufactured in standard sizes, lengths and weights to ensure that they can be matched to other railroad equipment such as intersections, switches and ties. They typically require regular maintenance and overhaul to ensure safe and efficient operation, and when installing and transporting rails, a rail-specific spreader, which is a device for lifting the load, is required. It is usually composed of wire ropes, chains, steel plates or hooks, etc., which can be customized and assembled as desired. The spreader is typically made up of several major components including hooks, slings, tension springs, links, etc. The application range of the lifting appliance is very wide, and various lifting appliances of different types can meet different requirements from simple cargo loading and unloading to machine transportation in heavy industrial production.
At present, when some lifting devices for steel rails are used, the lifting points of the lifting devices are fixed, so that the effect of one lifting device on different use scenes of the steel rails is very limited, in addition, the lifting hooks of the lifting devices for the steel rails generally need to be manually tightened, so that the use efficiency of the steel rails is slowed down, and the lifting devices without manual self-tightening structures have the risk of derailment.
Disclosure of Invention
In order to achieve the above purpose, the invention is realized by the following technical scheme: the steel rail hoisting lifting appliance comprises a cross beam, wherein a cavity is formed in the cross beam, rectangular square holes are formed in two ends of the bottom of the cross beam, the rectangular square holes are communicated with the cavity and the outside, the inner wall of each rectangular square hole is slidably connected with a self-tightening mechanism, the center of the bottom of the cross beam is fixedly connected with a telescopic mechanism, the top of the outer wall of the cross beam is fixedly connected with a lifting rope mechanism, and the top of the inner wall of the cross beam is fixedly connected with a balance rod mechanism;
the automatic tightening mechanism comprises a double-shaft motor and a moving table, wherein the double-shaft motor is fixedly connected to the bottom of the inner wall of a cross beam, threads are formed at two output ends of the double-shaft motor, threads at two output ends of the double-shaft motor are opposite in rotation direction, the moving table is provided with two groups, the moving table is slidably connected to the inner wall of a rectangular square hole, a threaded hole is formed in the side face of the moving table, the output end of the double-shaft motor penetrates through the threaded hole and is in threaded connection with the inner wall of the threaded hole, and the automatic tightening mechanism is used for clamping a steel rail under the condition without manual assistance.
Further, the self-tightening mechanism further comprises a first connecting rod and a second connecting rod which are connected to the bottom of the mobile station in a rotating mode, one end, far away from the mobile station, of the first connecting rod is hinged to a first lifting hook, one end, far away from the mobile station, of the second connecting rod is hinged to a second lifting hook, and the center of the first lifting hook is connected to the inner wall of the second lifting hook in a rotating mode.
Further, the two sides of the first lifting hook and the second lifting hook are respectively connected with the first disc and the second disc in a rotating mode, the end face of the first disc is fixedly connected with the first spring, one end, away from the first disc, of the first spring is fixedly connected with the end face of the second disc, and one sides, close to the double-shaft motor, of the first lifting hook and the second lifting hook are respectively connected with the telescopic column in a rotating mode.
Further, telescopic machanism still includes sleeve and telescopic link, telescopic top fixed connection is in the bottom center department of crossbeam, telescopic link sliding connection is at telescopic inner wall, telescopic link's top fixedly connected with spring two, the one end fixed connection that the telescopic link was kept away from to spring two is in the bottom of crossbeam, and telescopic machanism opens lifting hook one and lifting hook under the effect of gravity to this makes lifting hook one and lifting hook two can clip the rail in advance.
Further, the one end fixedly connected with elevating platform that the spring two was kept away from to the telescopic link, the equal fixedly connected with extrusion piece in elevating platform both sides, the cavity has been seted up to the inside of elevating platform, rectangular channel has been seted up to the bottom center department of elevating platform, rectangular channel's inner wall sliding connection has magnetism isolating plate and magnet, the bottom fixed connection of magnet is in magnetism isolating plate's bottom.
Further, the top center department fixedly connected with dead lever of magnetic insulation board, the dead lever runs through the inner wall top of rectangular channel and extends to the inside cavity of elevating platform, the outer wall of dead lever and the inner wall sliding connection of cavity, the top fixedly connected with spring three of dead lever, the one end fixedly connected with of spring three keeping away from the dead lever is at the inner wall top of elevating platform cavity, the side fixedly connected with longboard of dead lever, the longboard stretches out to the cavity outside of elevating platform.
Further, the top fixedly connected with sound alarm of elevating platform, the battery negative pole of sound alarm passes through the top fixed connection of wire and longeron, the battery positive pole of sound alarm passes through wire fixed connection in the side of elevating platform, the battery positive pole of sound alarm is located the junction of elevating platform under the longeron.
Further, the lifting rope mechanism comprises a steel wire rope and a limiting shell, the bottom of the limiting shell is fixedly connected to the top of the cross beam, two ends of the steel wire rope are fixedly connected to the top of the cross beam at the position inside the limiting shell, the part, far away from the cross beam, of the steel wire rope extends out of the limiting shell, the lifting rope mechanism is a part, connected with the lifting hook, of the crane, and the lifting rope mechanism can prevent the steel wire rope from being knotted and wound.
Further, the lifting rope mechanism further comprises a first rotating rod and a second rotating rod, the first rotating rod and the second rotating rod are both connected to the inner wall of the limiting shell in a rotating mode, a spring IV is fixedly connected to one side of the first rotating rod, one end of the spring IV, far away from the first rotating rod, is fixedly connected to the side face of the second rotating rod, one ends of the first rotating rod and the second rotating rod, far away from the limiting shell, are both connected with pulleys in a rotating mode, and the steel wire ropes are connected to the side faces of the pulleys in a sliding mode.
Further, balancing pole mechanism includes fixed block, stock and long rope, fixed block fixed connection is at the inner wall top of crossbeam, the through-hole has been seted up to the side of fixed block, stock sliding connection is at the through-hole inner wall, long rope winding is in the outside of stock, the side rotation of fixed block is connected with the eccentric wheel, the outer wall fixedly connected with pendulum rod of eccentric wheel, the outside of eccentric wheel and the outside sliding connection of stock, after the stock extension of balancing pole mechanism, the workman can utilize the long rope to adjust the skew of rail.
The invention provides a steel rail hoisting lifting appliance with an adjustable lifting point. The beneficial effects are as follows:
1. this steel rail hoist and mount hoist with adjustable hoisting point is provided with from tightening mechanism, if use ordinary from tightening lifting hook, because lack clamping measure, the steel rail has the possibility that certain drops, and set up spring one between lifting hook one and the lifting hook two in from tightening mechanism for the lifting hook is more tight in the centre gripping behind the steel rail of hooking, simultaneously in order to make the lifting hook normally open, is provided with telescopic machanism again, telescopic machanism utilizes extrusion piece extrusion telescopic column at flexible in-process, then opens lifting hook one and lifting hook two to avoid the lifting hook to clip the unable problem that opens afterwards.
2. This rail hoist and mount jack-up hoist with adjustable hoisting point is provided with balancing pole mechanism, when the rail of hoist and mount is longer, because wire rope and hoist's lifting hook is the point contact, causes the rail to take place the skew very easily, in the in-service use, the workman often only uses a rope to tie up the rail, and the rope drops very easily, and this hoist is direct with rope fixed connection on the hoist, be difficult for dropping to the stock can freely extend and fix, has satisfied the demand of different length rails when using.
3. This steel rail hoist and mount hoist with adjustable hoisting point is provided with biax motor, compares in the hoist with adjustable hoisting point of current, and biax motor can connect the control mobile station be close to and keep away from, and the hoisting point of the hoist with adjustable hoisting point of current often is fixed, can not fully satisfy different operation requirements, and biax motor can always make two mobile stations keep symmetry for the hoist is safer when hoist and mount the steel rail.
4. This steel rail hoist and mount jack-up hoist with adjustable hoisting point is provided with audible alarm, when putting down the rail, the rail breaks away from the moment of lifting hook one and lifting hook two, and magnet is under the magnetic force effect down along the inner wall of square groove sliding for the dead lever moves down, and the dead lever further drives the longeron and moves down, makes audible alarm's positive negative pole meet, then audible alarm sends warning sound, with this can remind the staff rail to break away from the lifting hook, has further guaranteed construction safety.
Drawings
FIG. 1 is a schematic diagram of a steel rail hoisting hoist with adjustable hoisting points;
FIG. 2 is a schematic view of a bottom view structure of a steel rail hoisting lifting appliance with an adjustable lifting point;
FIG. 3 is a schematic view in partial cross section of a rail hoist lifting appliance with adjustable lifting points in accordance with the present invention;
FIG. 4 is a schematic view of the self-tightening mechanism of the present invention;
FIG. 5 is a schematic view of a partial structure of the self-tightening mechanism of the present invention;
FIG. 6 is a schematic view of the telescopic mechanism of the present invention;
FIG. 7 is an enlarged schematic view of the structure of the present invention A;
FIG. 8 is a schematic view of a balance bar mechanism according to the present invention;
fig. 9 is an enlarged schematic view of the structure of the present invention B.
In the figure: 1. a cross beam; 11. rectangular square holes; 2. a self-tightening mechanism; 201. a biaxial motor; 202. a mobile station; 203. a first connecting rod; 204. a second connecting rod; 205. a first lifting hook; 206. a second lifting hook; 207. a first disc; 208. a second disc; 209. a first spring; 210. a telescopic column; 3. a telescoping mechanism; 301. a sleeve; 302. a telescopic rod; 303. a second spring; 304. a lifting table; 305. extruding a block; 306. a magnetism isolating plate; 307. a magnet; 308. a fixed rod; 309. a third spring; 310. a long plate; 311. an acoustic alarm; 4. a lifting rope mechanism; 401. a wire rope; 402. a limiting shell; 403. rotating the first rod; 404. a second rotating rod; 405. a spring IV; 406. a pulley; 5. a balance bar mechanism; 501. a fixed block; 502. a long rod; 503. a long rope; 504. an eccentric wheel; 505. and (5) swinging rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-6, the invention provides a technical scheme of a steel rail hoisting lifting appliance with an adjustable lifting point, which comprises the following steps: the device comprises a cross beam 1, wherein a cavity is formed in the cross beam 1, rectangular square holes 11 are formed in two ends of the bottom of the cross beam 1, the rectangular square holes 11 are communicated with the cavity and the outside, the inner wall of each rectangular square hole 11 is slidably connected with a self-tightening mechanism 2, the central position of the bottom of the cross beam 1 is fixedly connected with a telescopic mechanism 3, the top of the outer wall of the cross beam 1 is fixedly connected with a lifting rope mechanism 4, and the top of the inner wall of the cross beam 1 is fixedly connected with a balance bar mechanism 5;
the self-tightening mechanism 2 comprises a double-shaft motor 201 and a moving table 202, wherein the double-shaft motor 201 is fixedly connected to the bottom of the inner wall of the cross beam 1, two output ends of the double-shaft motor 201 are provided with threads, the threads of the two output ends of the double-shaft motor 201 are opposite in rotation direction, the moving table 202 is provided with two groups, the moving table 202 is slidably connected to the inner wall of the rectangular square hole 11, a threaded hole is formed in the side face of the moving table 202, the output end of the double-shaft motor 201 penetrates through the threaded hole and is in threaded connection with the inner wall of the threaded hole, after the double-shaft motor 201 is started, the output ends of the double-shaft motor 201 rotate together, under the action of the threads, the moving table 202 is close to or far away from the rectangular square hole 11, and the moving directions of the two moving tables 202 are always close to or far away from each other due to the fact that the threads of the output ends of the double-shaft motor 201 are opposite in rotation direction, and the state that the moving table 202 is adjusted only needs to control the forward rotation or reverse rotation of the double-shaft motor 201.
The self-tightening mechanism 2 further comprises a first connecting rod 203 and a second connecting rod 204 which are rotatably connected to the bottom of the mobile station 202, one end, away from the mobile station 202, of the first connecting rod 203 is hinged with a first lifting hook 205, one end, away from the mobile station 202, of the second connecting rod 204 is hinged with a second lifting hook 206, the center of the first lifting hook 205 is rotatably connected to the inner wall of the second lifting hook 206, two sides of the first lifting hook 205 and the second lifting hook 206 are respectively rotatably connected with a first disc 207 and a second disc 208, the end face of the first disc 207 is fixedly connected with a first spring 209, one end, away from the first disc 207, of the first spring 209 is fixedly connected to the end face of the second disc 208, one sides, close to the double-shaft motor 201, of the first lifting hook 205 and the second lifting hook 206 are rotatably connected with telescopic columns 210, under the action of the first spring 209, the first connecting rod 203 and the second connecting rod 204 start to rotate towards the center of the first lifting hook 205 and the second lifting hook 206, and finally the steel rail is clamped, and the first lifting hook 205 and the second lifting hook 206 can be tightly combined due to the existence of the springs, so that the steel rail 209 can be prevented from falling off.
The telescopic mechanism 3 further comprises a sleeve 301 and a telescopic rod 302, the top of the sleeve 301 is fixedly connected to the bottom center of the cross beam 1, the telescopic rod 302 is slidably connected to the inner wall of the sleeve 301, the top of the telescopic rod 302 is fixedly connected with a second spring 303, one end of the second spring 303, which is far away from the telescopic rod 302, is fixedly connected to the bottom of the cross beam 1, one end of the telescopic rod 302, which is far away from the second spring 303, is fixedly connected with a lifting table 304, two sides of the lifting table 304 are fixedly connected with extrusion blocks 305, a cavity is formed in the lifting table 304, a rectangular groove is formed in the bottom center of the lifting table 304, the inner wall of the rectangular groove is slidably connected with a magnetism isolating plate 306 and a magnet 307, the bottom of the magnet 307 is fixedly connected to the bottom of the magnetism isolating plate 306, the second spring 303 can provide restoring force after the telescopic rod 302 contracts or stretches, when the telescopic rod 302 contracts, the extrusion blocks 305 extrude the telescopic column 210 outwards, so that the telescopic column 210 drives the lifting hook 205 and the lifting hook 206 to expand, and the problem that the lifting hook cannot expand after being clamped is avoided.
The top center department fixedly connected with dead lever 308 of magnetism isolating plate 306, dead lever 308 runs through the inner wall top of rectangular channel and extends to the inside cavity of elevating platform 304, the outer wall of dead lever 308 and the inner wall sliding connection of cavity, the top fixedly connected with spring three 309 of dead lever 308, the one end fixed connection that dead lever 308 was kept away from to spring three 309 is at the inner wall top of elevating platform 304 cavity, the side fixedly connected with longeron 310 of dead lever 308, longeron 310 stretches out to the cavity outside of elevating platform 304, the top fixedly connected with sound alarm 311 of elevating platform 304, sound alarm 311's battery negative pole passes through wire and the top fixed connection of longeron 310, sound alarm 311's battery positive pole passes through wire fixed connection in elevating platform 304's side, sound alarm 311's battery positive pole is located the junction under longeron 310.
When the steel rail is put down, the magnet 307 slides downwards along the inner wall of the square groove under the action of magnetic force at the moment that the steel rail is separated from the first lifting hook 205 and the second lifting hook 206, so that the fixing rod 308 moves downwards, the fixing rod 308 further drives the long plate 310 to move downwards, the anode and the cathode of the sound alarm 311 are connected, and then the sound alarm 311 emits warning sound, so that the steel rail can be reminded of the working personnel to be separated from the lifting hook, and the construction safety is further ensured.
Referring to fig. 1-9, the invention provides a technical scheme of a steel rail hoisting lifting appliance with an adjustable lifting point, which comprises the following steps: the lifting rope mechanism 4 comprises a steel wire rope 401 and a limiting shell 402, wherein the bottom of the limiting shell 402 is fixedly connected to the top of the beam 1, two ends of the steel wire rope 401 are fixedly connected to the top of the beam 1 at the position inside the limiting shell 402, the part, far away from the beam 1, of the steel wire rope 401 extends out of the limiting shell 402, the limiting shell 402 limits the steel wire rope 401 inside the limiting shell, and the use effect of the pulley 406 is prevented from being influenced by the fact that the distance between the steel wire rope 401 and the pulley 406 is too far.
The lifting rope mechanism 4 further comprises a first rotating rod 403 and a second rotating rod 404, the first rotating rod 403 and the second rotating rod 404 are both connected to the inner wall of the limiting shell 402 in a rotating mode, a fourth spring 405 is fixedly connected to one side of the first rotating rod 403, one end, away from the first rotating rod 403, of the fourth spring 405 is fixedly connected to the side face of the second rotating rod 404, one end, away from the limiting shell 402, of the first rotating rod 403 and one end, away from the second rotating rod 404, of the first rotating rod is connected with a pulley 406 in a rotating mode, the steel wire rope 401 is connected to the side face of the pulley 406 in a sliding mode, when the lifting rope mechanism 4 is used, the steel wire rope 401 is wound together along the pulley 406, and under the action of the fourth spring 405, outward expanding force exists on the first rotating rod 403 and the second rotating rod 404, and therefore the steel wire rope 401 is always subjected to separation force, and winding and knotting of the steel wire rope 401 during use are avoided.
The balance rod mechanism 5 comprises a fixed block 501, a long rod 502 and a long rope 503, wherein the fixed block 501 is fixedly connected to the top of the inner wall of the cross beam 1, a through hole is formed in the side face of the fixed block 501, the long rod 502 is slidably connected to the inner wall of the through hole, the long rope 503 is wound on the outer side of the long rod 502, an eccentric wheel 504 is rotatably connected to the side face of the fixed block 501, a swing rod 505 is fixedly connected to the outer wall of the eccentric wheel 504, the outer side of the eccentric wheel 504 is slidably connected with the outer side of the long rod 502, if a steel rail is longer, the steel rail is easy to deviate in the lifting process, only the swing rod 505 is required to be stirred before the steel rail is lifted, then the long rod 502 is pulled out, the long rope 503 is wound out, a worker can control a lifting appliance by using the long rope 503, so that the balance of the steel rail is improved, after the long rod 502 is stretched out by a certain length, the swing rod 505 is stirred again, the eccentric wheel 504 is made of rubber material, and the eccentric wheel 504 is driven to squeeze the long rod 502, and the long rod 502 is fixed, so that the long rod 502 can be freely stretched and fixed.
When the steel rail needs to be hoisted, the hoisting tool is firstly hoisted on the lifting hook of the crane through the steel wire ropes 401, the steel wire ropes 401 are firstly bundled together along the pulleys 406, and then both the steel wire ropes 401 are hung on the lifting hook of the crane. Then, the self-collection mechanism is adjusted according to the length of the steel rail and the use situation, the double-shaft motor 201 is remotely controlled to start at first, the output ends of the double-shaft motor 201 rotate together, and the movable table 202 approaches or departs along the rectangular square hole 11 under the action of the screw thread.
After the self-tightening mechanism 2 is adjusted, the steel rail is lifted, the crane is controlled to place the lifting appliance above the steel rail and slowly approach the steel rail, when the bottom of the lifting platform 304 touches the upper surface of the steel rail, the telescopic rod 302 starts to shrink due to the action of pressure, the lifting platform 304 simultaneously starts to rise, then the extrusion block 305 extrudes the telescopic column 210 outwards, so that the telescopic column 210 drives the lifting hook I205 and the lifting hook II 206 to expand, the steel rail is initially clamped between the lifting hook I205 and the lifting hook II 206 along with the descending of the lifting appliance, the telescopic rod 302 further shrinks, and the extrusion block 305 passes over the telescopic column 210 and does not extrude the telescopic column 210.
If the steel rail is longer, the steel rail is easy to deviate in the lifting process, only the swing rod 505 is required to be stirred before the steel rail is lifted, then the long rod 502 is pulled out, the long rope 503 is wound out, and workers can control the lifting appliance by using the long rope 503 to further control the balance of the steel rail.
When the steel rail is put down, the magnet 307 slides downwards along the inner wall of the square groove under the action of magnetic force at the moment that the steel rail is separated from the first lifting hook 205 and the second lifting hook 206, so that the fixing rod 308 moves downwards, the fixing rod 308 further drives the long plate 310 to move downwards, the positive electrode and the negative electrode of the sound alarm 311 are connected, and then the sound alarm 311 emits warning sound.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (10)
1. The utility model provides a rail hoist and mount jack-up hoist with adjustable hoisting point, includes crossbeam (1), cavity, its characterized in that have been seted up to crossbeam (1) inside: rectangular square holes (11) are formed in two ends of the bottom of the cross beam (1), the rectangular square holes (11) are communicated with the cavity and the outside, a self-tightening mechanism (2) is slidably connected to the inner wall of the rectangular square holes (11), a telescopic mechanism (3) is fixedly connected to the center of the bottom of the cross beam (1), a lifting rope mechanism (4) is fixedly connected to the top of the outer wall of the cross beam (1), and a balance rod mechanism (5) is fixedly connected to the top of the inner wall of the cross beam (1);
the self-tightening mechanism (2) comprises a double-shaft motor (201) and a moving table (202), the double-shaft motor (201) is fixedly connected to the bottom of the inner wall of the cross beam (1), threads are formed at two output ends of the double-shaft motor (201), threads of the two output ends of the double-shaft motor (201) are opposite in rotation direction, the moving table (202) is provided with two groups, the moving table (202) is slidably connected to the inner wall of the rectangular square hole (11), a threaded hole is formed in the side face of the moving table (202), and the output end of the double-shaft motor (201) penetrates through the threaded hole and is in threaded connection with the inner wall of the threaded hole.
2. A rail hoist as claimed in claim 1, wherein: the self-tightening mechanism (2) further comprises a first connecting rod (203) and a second connecting rod (204) which are rotatably connected to the bottom of the mobile station (202), one end, far away from the mobile station (202), of the first connecting rod (203) is hinged with a first lifting hook (205), one end, far away from the mobile station (202), of the second connecting rod (204) is hinged with a second lifting hook (206), and the center of the first lifting hook (205) is rotatably connected to the inner wall of the second lifting hook (206).
3. A rail hoist as claimed in claim 2, wherein: the lifting hook I (205) and the lifting hook II (206) are respectively connected with a first disc (207) and a second disc (208) in a rotating mode, the end face of the first disc (207) is fixedly connected with a first spring (209), one end, away from the first disc (207), of the first spring (209) is fixedly connected with the end face of the second disc (208), and one sides, close to the double-shaft motor (201), of the lifting hook I (205) and the lifting hook II (206) are respectively connected with a telescopic column (210) in a rotating mode.
4. A rail hoist as claimed in claim 3, wherein: the telescopic mechanism (3) further comprises a sleeve (301) and a telescopic rod (302), the top of the sleeve (301) is fixedly connected to the bottom center of the cross beam (1), the telescopic rod (302) is slidably connected to the inner wall of the sleeve (301), a second spring (303) is fixedly connected to the top of the telescopic rod (302), and one end, away from the telescopic rod (302), of the second spring (303) is fixedly connected to the bottom of the cross beam (1).
5. A rail hoist as defined in claim 4, characterized in that: one end fixedly connected with elevating platform (304) of spring two (303) is kept away from to telescopic link (302), all fixedly connected with extrusion piece (305) in elevating platform (304) both sides, the cavity has been seted up to the inside of elevating platform (304), rectangular channel has been seted up in the bottom center department of elevating platform (304), the inner wall sliding connection in rectangular channel has magnetism isolating plate (306) and magnet (307), the bottom fixed connection of magnet (307) is in the bottom of magnetism isolating plate (306).
6. A rail hoist as defined in claim 5, characterized in that: the top center department fixedly connected with dead lever (308) of magnetic isolation board (306), dead lever (308) run through the inner wall top of rectangular channel and extend to the inside cavity of elevating platform (304), the outer wall of dead lever (308) and the inner wall sliding connection of cavity, the top fixedly connected with spring three (309) of dead lever (308), the one end fixedly connected with of spring three (309) keep away from dead lever (308) is at the inner wall top of elevating platform (304) cavity, the side fixedly connected with longboard (310) of dead lever (308), outside cavity that elevating platform (304) were stretched out to longboard (310).
7. A rail hoist as defined in claim 6, characterized in that: the top fixedly connected with sound alarm (311) of elevating platform (304), the battery negative pole of sound alarm (311) passes through the top fixed connection of wire and longeron (310), the battery positive pole of sound alarm (311) passes through wire fixed connection in the side of elevating platform (304), the battery positive pole of sound alarm (311) is located under longeron (310) in the junction of elevating platform (304).
8. A rail hoist as defined in claim 7, characterized in that: the lifting rope mechanism (4) comprises a steel wire rope (401) and a limiting shell (402), wherein the bottom of the limiting shell (402) is fixedly connected to the top of the cross beam (1), both ends of the steel wire rope (401) are fixedly connected to the top of the cross beam (1) at the position inside the limiting shell (402), and the part, far away from the cross beam (1), of the steel wire rope (401) extends out of the limiting shell (402).
9. A rail hoist as defined in claim 8, characterized in that: the lifting rope mechanism (4) further comprises a first rotating rod (403) and a second rotating rod (404), the first rotating rod (403) and the second rotating rod (404) are all rotationally connected to the inner wall of the limiting shell (402), one side of the first rotating rod (403) is fixedly connected with a fourth spring (405), one end of the fourth spring (405) away from the first rotating rod (403) is fixedly connected to the side face of the second rotating rod (404), one ends of the first rotating rod (403) and the second rotating rod (404) away from the limiting shell (402) are all rotationally connected with pulleys (406), and the steel wire rope (401) is slidingly connected to the side face of the pulleys (406).
10. A rail hoist as defined in claim 9, characterized in that: the balance rod mechanism (5) comprises a fixed block (501), a long rod (502) and a long rope (503), wherein the fixed block (501) is fixedly connected to the top of the inner wall of the cross beam (1), a through hole is formed in the side face of the fixed block (501), the long rod (502) is slidably connected to the inner wall of the through hole, the long rope (503) is wound on the outer side of the long rod (502), an eccentric wheel (504) is rotatably connected to the side face of the fixed block (501), a swing rod (505) is fixedly connected to the outer wall of the eccentric wheel (504), and the outer side of the eccentric wheel (504) is slidably connected with the outer side of the long rod (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311006352.3A CN116715133B (en) | 2023-08-11 | 2023-08-11 | Steel rail hoisting lifting appliance with adjustable lifting point |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311006352.3A CN116715133B (en) | 2023-08-11 | 2023-08-11 | Steel rail hoisting lifting appliance with adjustable lifting point |
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| CN116715133A true CN116715133A (en) | 2023-09-08 |
| CN116715133B CN116715133B (en) | 2023-11-24 |
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| Publication number | Publication date |
|---|---|
| CN116715133B (en) | 2023-11-24 |
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