CN116216502A - Three-jaw outward-expanding type lifting appliance for flange transportation - Google Patents
Three-jaw outward-expanding type lifting appliance for flange transportation Download PDFInfo
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- CN116216502A CN116216502A CN202310520258.3A CN202310520258A CN116216502A CN 116216502 A CN116216502 A CN 116216502A CN 202310520258 A CN202310520258 A CN 202310520258A CN 116216502 A CN116216502 A CN 116216502A
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- hydraulic telescopic
- base
- fixed
- flange
- far away
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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
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Engineering & Computer Science (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The application relates to a three-jaw outward-expansion type lifting appliance for flange transportation, which relates to the field of flange lifting appliances and comprises a lifting appliance mechanism, a switching mechanism, an expansion mechanism and a fixing mechanism, wherein the switching mechanism, the expansion mechanism and the fixing mechanism are arranged on the lifting appliance mechanism; the movable sleeve is sleeved and slidably arranged at one end of the fixed pipe far away from the base; the fixing frames are uniformly and fixedly arranged on the side wall of the periphery of the base; the fixed ends of the first hydraulic telescopic rods are uniformly and hinged on the side wall of the circumference of the movable sleeve, and the output ends of the first hydraulic telescopic rods are respectively hinged at one end, far away from the base, of the fixed frame in a one-to-one correspondence manner; the second hydraulic telescopic rod fixing ends are fixedly arranged on the fixing frames in one-to-one correspondence respectively, and one ends of the second hydraulic telescopic rod fixing ends, which are far away from the output end, are communicated with one ends of the first hydraulic telescopic rod fixing ends, which are close to the output end, in one-to-one correspondence respectively. The application has the effects of improving the suitability of the flange lifting tool and improving the stability and safety of the flange lifting tool in use.
Description
Technical Field
The application relates to the field of flange lifting appliances, in particular to a three-jaw outward-expanding lifting appliance for flange transportation.
Background
The lifting appliance refers to a device for lifting a weight in a lifting machine. The most commonly used slings for lifting articles are hooks and slings, and others are slings, lifting chucks, clamps, forks and the like. The lifting device is widely applied to the lifting industry, and when the flange is loaded and transported, the lifting device is required to be used for transporting part of large-sized flanges.
According to the actual demand difference of flange, there is great difference in the specification of flange, and present flange hoist is in order to guarantee hoist and mount stability and simplicity, and the hoist all corresponds the hoist of preparation mutually supporting according to different flange specifications. When the universal flange lifting tool is used, due to the fact that actual specifications of various flanges are different, and certain errors exist in the production process, the universal flange lifting tool cannot be tightly attached to the flanges when in use, and the universal flange lifting tool is not suitable for long-distance long-time lifting transportation.
Aiming at the related technology, the inventor considers that the flange lifting tool at the current stage has the problems that various flange production sizes cannot be accurately adapted, and flange falling or shaking is easy to occur when the flange lifting tool is used for transporting the flange, so that danger is easy to occur.
Disclosure of Invention
In order to improve the suitability of flange hoist, improve stability and security when the flange hoist is used, this application provides a three-jaw expands formula flange transportation and uses hoist.
The application provides a three-jaw expands formula flange transportation and uses hoist, adopts following technical scheme:
a three-jaw outward-expansion type lifting appliance for flange transportation comprises a lifting appliance mechanism, a switching mechanism, an expansion mechanism and a fixing mechanism, wherein the switching mechanism, the expansion mechanism and the fixing mechanism are arranged on the lifting appliance mechanism;
the spreader mechanism includes:
the base is connected with the expansion mechanism, and an installation cavity is formed in the base;
the fixed pipe is fixedly arranged on the base and is connected with the switching mechanism;
the movable sleeve is sleeved on the fixed pipe and is slidably arranged at one end far away from the base;
the three fixing frames are uniformly and fixedly arranged on the side wall of the periphery of the base;
the fixed ends of the three first hydraulic telescopic rods are uniformly and hingedly mounted on the side wall of the periphery of the movable sleeve, and the output ends of the three first hydraulic telescopic rods are respectively and correspondingly hinged to one end, far away from the base, of the three fixing frames;
the three second hydraulic telescopic rods are fixedly arranged on the fixing frames in a one-to-one correspondence mode, and one ends, far away from the output ends, of the three second hydraulic telescopic rod fixing ends are communicated with one ends, close to the output ends, of the three first hydraulic telescopic rod fixing ends in a one-to-one correspondence mode.
Through adopting above-mentioned technical scheme, when using hoist mechanism, with the flange up end and the three mount bottom surface butt that will wait to transport, later through rings pulling movable sleeve to keeping away from the direction removal of base, the movable sleeve pulls three first hydraulic telescoping rod length extension when removing, the hydraulic fluid in the first hydraulic telescoping rod stiff end gets into in the stiff end of second hydraulic telescoping rod through the pipe, the hydraulic fluid in the second hydraulic telescoping rod stiff end increases, and then promote the second hydraulic telescoping rod output to keeping away from the direction removal of base, until second hydraulic telescoping rod output and flange hole pore wall support tightly, and then realize the flange and the relatively stable of a three-jaw outward expansion formula flange hoist for transportation, conveniently drive the flange through a three-jaw outward expansion formula flange hoist for transportation and remove. The suitability of the flange lifting tool is improved, and the stability and safety of the flange lifting tool in use are improved.
Optionally, the expansion mechanism includes:
the rotating plate is rotatably arranged at one end, far away from the fixed pipe, of the base, and a plurality of guide grooves which are uniformly distributed are formed in the rotating plate, and the number of the guide grooves is not less than six;
the fixed plate is rotatably arranged at one end, far away from the base, of the rotating plate, a communication cavity is formed in the fixed plate, a plurality of evenly distributed sliding rails are communicated with the periphery of the communication cavity, the sliding rails are all arranged on the fixed plate in a penetrating mode, and the number of the sliding rails is the same as that of the guide grooves;
the sliding rods are in the same number as the sliding rails, the sliding rods are respectively and correspondingly slidably mounted in the sliding rails, three sliding rods which are uniformly distributed are respectively and fixedly connected with the output ends of the second hydraulic telescopic rods, guide blocks are fixedly mounted on the sliding rods, and the guide blocks are respectively and correspondingly slidably mounted in the guide grooves.
Through adopting above-mentioned technical scheme, when the hoist mounting flange is used in the transportation of three-jaw outward expansion flange and the transportation flange is needed, first hydraulic telescoping rod length extension, under the drive of first hydraulic telescoping rod, the one end removal of base is kept away from to second hydraulic telescoping rod output, three second hydraulic telescoping rod output removes and then drives the slide bar that corresponds and second hydraulic telescoping rod output fixed connection in the slide rail and remove to the direction of keeping away from the base, the slide bar removes and drive the guide block and remove, three guide block removes and then drives the pivoted plate and rotate, the pivoted plate rotates and then drives other six guide blocks and slide in the guide way, six guide blocks remove to the direction of keeping away from the base under the drive of guide way, and then drive other six slide bars remove to the direction of keeping away from the base, and then make all slide bars all with flange inner wall butt, and then make flange stable mounting on a hoist is used in the transportation of three-jaw outward expansion flange.
Optionally, inner cavities are formed in the sliding rods, and each sliding rod is communicated with the communication cavity;
the communication cavity is communicated with one ends, close to the output ends, of the fixed ends of the three first hydraulic telescopic rods.
Through adopting above-mentioned technical scheme, when the extension of first hydraulic telescoping rod length, the interior hydraulic pressure liquid of first hydraulic telescoping rod stiff end gets into the intercommunication intracavity through the pipe, and in the hydraulic pressure liquid got into the slide rail through the intercommunication chamber, played the promotion effect to the slide bar, the hydraulic pressure liquid continued to lead to in the intercommunication chamber, and then made the increase of intercommunication intracavity pressure, the hydraulic pressure liquid applys the force of keeping away from the base plate to the slide bar, stabilizes the slide bar position, and then stabilizes expansion mechanism, improves the flange at the installation stability of a three-jaw outward expansion flange hoist for transportation.
Optionally, pressure valves are installed at the positions where the sliding rods are communicated with the communication cavity.
By adopting the technical scheme, when the pressure in the communication cavity is larger than the pressure of the pressure valve, the pressure valve is opened, hydraulic fluid enters each sliding rod and flows to one end of the sliding rod close to the inner wall of the flange. The hydraulic fluid in the sliding rod plays a role in cooling the flange, so that the flange is cooled rapidly, and the situation that the surface temperature is too high after the flange is processed in a heat treatment mode such as forging and the like is avoided, so that danger is caused to workers.
Optionally, the switching mechanism includes:
the three hooks are uniformly and hingedly arranged on the side wall of the movable sleeve at one end;
one end of each of the three supporting rods is uniformly and hinged on the side wall of the fixed pipe;
the three hydraulic telescopic rods are fixedly and uniformly arranged on the side wall of the fixed pipe, one end, close to the output end, of each of the three hydraulic telescopic rod fixing ends is communicated with one end, close to the output end, of each of the three hydraulic telescopic rod fixing ends, and each of the three hydraulic telescopic rod fixing ends is connected with one end, away from the fixed pipe, of each of the three hydraulic telescopic rod fixing ends in a sliding and rotating mode.
Through adopting above-mentioned technical scheme, when needing a three-jaw outward expansion hoist mounting flange for flange transportation and transportation flange, shorten three third hydraulic telescoping rod length, the angle between three branch and the fixed pipe all reduces, and the couple can't with branch butt, and then make movable sleeve can normally slide on the fixed pipe, guarantee that a three-jaw outward expansion hoist for flange transportation normally plays the effect of stability and transportation to the flange. When needing to place the flange, tensile third hydraulic telescoping rod length, the angle between three branch and the fixed pipe increases simultaneously, couple and branch butt, and then make movable sleeve pipe and fixed pipe relatively stable, can not take place relative displacement between movable sleeve pipe and the fixed pipe, and then make a three-jaw expand outward hoist for flange transportation unable with flange butt for the flange can normally break away from a three-jaw expand outward hoist for flange transportation, conveniently places the flange.
Optionally, the fixing mechanism includes:
the fixed ends of the fourth hydraulic telescopic rods are fixedly arranged in the base mounting cavity, and the fixed ends of the fourth hydraulic telescopic rods are respectively communicated with one ends, far away from the output end, of the three fixed ends of the third hydraulic telescopic rods;
the threaded plate is rotatably arranged at one end, far away from the fixed end, of the output end of the fourth hydraulic telescopic rod;
the three screw thread card strips, three screw thread card strip one end is even and slidable mounting be in on the base, three screw thread card strip other end respectively slidable mounting be in three in the mount, three screw thread card strip all with screw thread board threaded connection.
Through adopting above-mentioned technical scheme, driven face gear rotates and then drives the screw thread board and rotate, improves fixed establishment stability, and then improves expanding mechanism's stability, improves flange hoist's suitability, improves flange hoist stability and security when using.
Optionally, a driving face gear is fixedly installed on one end, close to the base, of the rotating plate;
and one end of the threaded plate, which is far away from the fourth hydraulic telescopic rod, is fixedly connected with a driven face gear.
Through adopting above-mentioned technical scheme, when needing a three-jaw outward expansion formula flange transportation to use hoist mounting flange and transportation flange, third hydraulic telescoping rod output removes to the direction that is close to the fixed pipe, hydraulic fluid in the third hydraulic telescoping rod stiff end gets into in the fourth hydraulic telescoping rod stiff end through the pipe, fourth hydraulic telescoping rod output removes to the direction of keeping away from the stiff end, and then make the screw thread board remove to the direction that is close to initiative face gear, until driven face gear and initiative face gear meshing, when the pivoted plate rotates, the pivoted plate rotates and then drives initiative face gear and rotates, initiative face gear rotates and then drives driven face gear and rotate, driven face gear rotates and then drives the screw thread board and rotate, improve structure mechanical linkage nature.
Optionally, a plurality of positioning holes are formed in each of the three fixing frames.
Optionally, three the screw thread draw-in bar is kept away from the one end of fourth hydraulic telescoping rod has all run through and has offered spacing hole, each equal symmetry slidable mounting has two fixed pins in the spacing hole, two be provided with the spring between the fixed pin, the spring both ends respectively with two one end fixed connection that the fixed pin is close to each other.
Through adopting above-mentioned technical scheme, the screw thread board rotates and then drives three screw thread card strip and to keeping away from the direction removal of fixed sleeve axis, and the fixed pin is blocked into the locating hole in proper order when screw thread card strip is gliding in the mount, prescribes a limit to the position of screw thread card strip, improves fixed establishment stability, and then improves expansion mechanism's stability, improves flange hoist's suitability, improves flange hoist stability and security when using.
Optionally, a hanging ring is fixedly installed at one end of the movable sleeve away from the base.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when using hoist mechanism, with the flange up end and the three mount bottom surface butt of waiting to transport, later through rings pulling movable sleeve to the direction removal of keeping away from the base, the movable sleeve moves and pulls three first hydraulic telescoping rod length extension, in the hydraulic fluid in the first hydraulic telescoping rod stiff end got into the stiff end of second hydraulic telescoping rod through the pipe, the hydraulic fluid in the second hydraulic telescoping rod stiff end increases, and then promote the second hydraulic telescoping rod output to move to the direction of keeping away from the base, until second hydraulic telescoping rod output supports tightly with flange hole pore wall, and then realize the flange and the relative stability of a three-jaw outward expansion formula flange hoist for transportation, conveniently drive the flange and remove through the three-jaw outward expansion formula flange hoist for transportation. The suitability of the flange lifting tool is improved, and the stability and safety of the flange lifting tool in use are improved;
2. when the pressure in the communication cavity is larger than the pressure of the pressure valve, the pressure valve is opened, hydraulic fluid enters each sliding rod, and flows to one end of the sliding rod, which is close to the inner wall of the flange. The hydraulic liquid in the sliding rod plays a role in cooling the flange, so that the flange is quickly cooled, and the situation that the surface temperature is too high after the flange is processed in a heat treatment mode such as forging and the like, so that danger is caused to workers is avoided;
3. the driven end face gear rotates to drive the threaded plate to rotate, so that stability of the fixing mechanism is improved, stability of the expansion mechanism is further improved, suitability of the flange lifting appliance is improved, and stability and safety of the flange lifting appliance in use are improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
FIG. 2 is a partial cross-sectional view of an embodiment of the present application;
FIG. 3 is a schematic structural view of an expansion mechanism according to an embodiment of the present application;
FIG. 4 is a schematic view of the internal structure of an expansion mechanism according to an embodiment of the present application;
fig. 5 is a schematic structural view of a fixing mechanism according to an embodiment of the present application.
Reference numerals illustrate: 1. a lifting appliance mechanism; 11. a base; 111. a mounting cavity; 12. a fixed tube; 13. a movable sleeve; 14. a hanging ring; 15. a fixing frame; 151. positioning holes; 16. a first hydraulic telescoping rod; 17. a second hydraulic telescoping rod; 2. a switching mechanism; 21. a hook; 22. a support rod; 23. a third hydraulic telescoping rod; 3. an expansion mechanism; 31. a fixing plate; 311. a slide rail; 312. a communication chamber; 32. a slide bar; 33. a guide block; 34. a pressure valve; 35. a rotating plate; 351. a guide groove; 36. a driving face gear; 4. a fixing mechanism; 41. driven face gears; 42. a fourth hydraulic telescoping rod; 43. a thread plate; 44. a thread clamping strip; 441. a limiting hole; 442. a fixing pin; 443. and (3) a spring.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a three-jaw outward-expanding lifting appliance for flange transportation.
Referring to fig. 1, the three-jaw outward-expanding flange transportation crane comprises a lifting appliance mechanism 1, wherein an expanding mechanism 3 and a switching mechanism 2 are arranged on the lifting appliance mechanism 1, a fixing mechanism 4 is arranged on the expanding mechanism 3, and the fixing mechanism 4 is connected with the switching mechanism 2.
Referring to fig. 1 and 2, the spreader mechanism 1 includes a base 11, the base 11 is cylindrical and a cylindrical mounting cavity 111 is provided at the bottom thereof, and the fixing mechanism 4 is provided in the mounting cavity 111. Three evenly distributed fixing frames 15 are fixedly arranged on the side wall of the periphery of the base 11, the three fixing frames 15 are symmetrically arranged in the center of the base 11, and the three fixing frames 15 are communicated with the mounting cavity 111. The three fixing frames 15 are provided with a plurality of evenly distributed positioning holes 151, and each positioning hole 151 is arranged on the fixing frame 15 in a penetrating way. The second hydraulic telescopic rods 17 are fixedly installed in the three fixing frames 15 along the length direction of the fixing frames 15, the output ends of the second hydraulic telescopic rods 17 are arranged at one ends, far away from the base 11, of the fixed ends of the second hydraulic telescopic rods 17, the output ends of the second hydraulic telescopic rods 17 are slidably arranged in the fixing frames 15, the output directions of the three second hydraulic telescopic rods 17 are all along the length direction of the fixing frames 15 and perpendicular to the axis of the base 11, and the output ends of the three second hydraulic telescopic rods 17 are all connected with the expansion mechanism 3. The fixed pipe 12 is fixedly installed on the base 11, the fixed pipe 12 is a cylinder, the fixed pipe 12 and the base 11 are coaxially arranged, the axis of the fixed pipe 12 is perpendicular to the end face of the base 11, the fixed pipe 12 is connected with the switching mechanism 2, the movable sleeve 13 is coaxially sleeved on the fixed pipe 12 and is slidably installed, a sliding groove is formed in the fixed pipe 12, a sliding block is fixedly installed on the movable sleeve 13, the fixed pipe 12 and the movable sleeve 13 are slidably connected in the sliding groove through the sliding block, and relative rotation between the fixed pipe 12 and the movable sleeve 13 cannot occur. One end of the movable sleeve 13, which is far away from the base 11, is fixedly connected with a hanging ring 14, and the hanging ring 14 is fixedly connected with the movable sleeve 13 in a welding mode. The side wall of the circumference side of the movable sleeve 13 is hinged with the fixed ends of three uniformly distributed first hydraulic telescopic rods 16, and the output ends of the three first hydraulic telescopic rods 16 are hinged at one end, far away from the base 11, of the three fixing frames 15 in a one-to-one correspondence manner. The three first hydraulic telescopic rods 16 are respectively in the same plane with the output directions of the three second hydraulic telescopic rods 17, one ends of the fixed ends of the three first hydraulic telescopic rods 16 close to the output ends are respectively communicated with one ends of the three second hydraulic telescopic rods 17, which are far away from the output ends, of the fixed ends, the first hydraulic telescopic rods 16 are communicated with the second hydraulic telescopic rods 17 through pipes, hydraulic fluid is filled in the first hydraulic telescopic rods 16, and the hydraulic fluid has good cooling and heat conducting effects.
When the lifting mechanism 1 is used, the upper end face of a flange to be transported is abutted against the bottom faces of three fixing frames 15, then the movable sleeve 13 is pulled to move in the direction away from the base 11 through the lifting ring 14, the length of the three first hydraulic telescopic rods 16 is pulled to be elongated while the movable sleeve 13 moves, hydraulic fluid in the fixed ends of the first hydraulic telescopic rods 16 enters the fixed ends of the second hydraulic telescopic rods 17 through the guide pipes, the hydraulic fluid in the fixed ends of the second hydraulic telescopic rods 17 is increased, the output end of the second hydraulic telescopic rods 17 is pushed to move in the direction away from the base 11 until the output end of the second hydraulic telescopic rods 17 is abutted against the inner hole wall of the flange, the flange is relatively stable with the three-jaw outward-expansion type flange transportation lifting tool, and the flange is conveniently driven to move through the three-jaw outward-expansion type flange transportation lifting tool.
Referring to fig. 1 and 2, the switching mechanism 2 includes three struts 22, one ends of the three struts 22 far away from the base 11 are hinged and uniformly mounted on a side wall of the fixed tube 12 near one end of the base 11, one ends of the three struts 22 near the base 11 are respectively slid and rotationally connected with output ends of three third hydraulic telescopic rods 23, fixed ends of the three third hydraulic telescopic rods 23 are uniformly and fixedly mounted on a side wall of the periphery of the fixed tube 12, output directions of the three third hydraulic telescopic rods 23 are mutually perpendicular to the axis direction of the fixed tube 12, one ends of the fixed ends of the three third hydraulic telescopic rods 23 near the output ends are respectively communicated with one ends of the three first hydraulic telescopic rods 16 near the output ends in a one-to-one correspondence manner, the first hydraulic telescopic rods 16 are communicated with the third hydraulic telescopic rods 23 through a guide tube, and hydraulic fluid is filled in the fixed ends of the third hydraulic telescopic rods 23, and the three third hydraulic telescopic rods 23 are all connected with the fixed mechanism 4. The switching mechanism 2 further comprises three hooks 21, the three hooks 21 are in a 7 shape, one ends of the three hooks 21 are evenly and hinged on the side wall of the periphery of the movable sleeve 13, and the three hooks 21 are respectively arranged on the same plane in one-to-one correspondence with the three supporting rods 22.
When the three-jaw outward-expansion type flange transportation lifting appliance fixing flange is needed and the flange is transported, the length of the three third hydraulic telescopic rods 23 is shortened, hydraulic fluid in the fixed ends of the three third hydraulic telescopic rods 23 flows to the fixing mechanism 4, the hydraulic fluid in the first hydraulic telescopic rods 16 enters the third hydraulic telescopic rods 23, the length of the third hydraulic telescopic rods 23 is in a stable shortened state, meanwhile, the angles between the three support rods 22 and the fixed pipe 12 are reduced, the hooks 21 cannot be abutted with the support rods 22, the movable sleeve 13 can slide on the fixed pipe 12 normally, and the effect of stabilizing and transporting the flange is guaranteed. When needing to place the flange, stretch third hydraulic telescoping rod 23 length, the hydraulic fluid in the fixed establishment 4 flows back to in the three third hydraulic telescoping rod 23 stiff end, the hydraulic fluid in the third hydraulic telescoping rod 23 gets into in the first hydraulic telescoping rod 16, make third hydraulic telescoping rod 23 length be in stable extension's state, the angle between three branch 22 and the fixed pipe 12 increases simultaneously, couple 21 and branch 22 butt, and then make movable sleeve 13 and fixed pipe 12 relatively stable, can not take place relative displacement between movable sleeve 13 and the fixed pipe 12, and then make a three-jaw outward expansion formula flange transportation hoist unable with flange butt, make the flange normally break away from a three-jaw outward expansion formula flange transportation hoist, conveniently place the flange.
Referring to fig. 3 and 4, the expansion mechanism 3 includes a rotation plate 35, the rotation plate 35 is coaxially and rotatably mounted on the end of the base 11 far from the fixed tube 12, and the base 11 is rotatably connected with the rotation plate 35 by forming a T-shaped groove on the rotation plate 35, so that no relative displacement between the base 11 and the rotation plate 35 in the axial direction of the base 11 occurs. The rotating plate 35 is provided with a plurality of evenly distributed guide grooves 351, one end of the rotating plate 35 close to the base 11 is closed, the guide grooves 351 are arc-shaped, the number of the guide grooves 351 is nine, and the nine guide grooves 351 are arranged in a central symmetry mode by taking the axis of the base 11 as the center. The end of the rotating plate 35, which is close to the base 11, is fixedly connected with a driving face gear 36, and the driving face gear 36 is coaxially arranged with the base 11. The fixed plate 31 is rotatably installed at one end of the rotating plate 35 far away from the base 11, and the fixed plate 31 is rotatably connected with the rotating plate 35 in a manner of forming a T-shaped groove on the fixed plate 31, so that relative displacement between the fixed plate 31 and the rotating plate 35 in the axial direction of the base 11 cannot occur. The fixed plate 31 is close to the one end of rotating plate 35 and has offered the intercommunication chamber 312, and the intercommunication chamber 312 is the cylinder shape, and the axis direction is the same with base 11 axis direction, and the intercommunication chamber 312 is close to the one end intercommunication of output with three first hydraulic telescoping rod 16 stiff end, all communicates through the pipe between intercommunication chamber 312 and the three first hydraulic telescoping rod 16. The fixed plate 31 is close to the sliding rail 311 of having offered the several evenly distributed on the one end of rotating plate 35, and the number of several sliding rail 311 is nine and nine sliding rail 311 all communicates with the intercommunication chamber 312, and nine sliding rail 311 regard base 11 axis as the center, the central symmetry sets up. The sliding rods 32 are slidably mounted on the sliding rails 311, the sliding rods 32 are tightly attached to the inner walls of the sliding rails 311, inner cavities are formed in the sliding rods 32, the inner cavities of the sliding rods 32 are communicated with the communicating cavities 312, and pressure valves 34 are communicated at the communicating positions of the sliding rods 32 and the communicating cavities 312. Three sliding rods 32 of the nine sliding rods 32 are respectively positioned on the same plane with the three second hydraulic telescopic rods 17, and the three sliding rods 32 are respectively fixedly connected with the output ends of the three second hydraulic telescopic rods 17. Guide blocks 33 are fixedly arranged at one end, close to the base 11, of each sliding rod 32, and nine guide blocks 33 are respectively and correspondingly slidably arranged in nine guide grooves 351.
When the three-jaw outward-expansion type lifting tool fixing flange for flange transportation is needed, the length of the first hydraulic telescopic rod 16 is extended, the output end of the second hydraulic telescopic rod 17 moves towards the end far away from the base 11 under the driving of the first hydraulic telescopic rod 16, the output ends of the three second hydraulic telescopic rods 17 move to further drive the three sliding rods 32 fixedly connected with the output ends of the second hydraulic telescopic rods 17 to slide in the sliding rail 311 and move towards the direction far away from the base 11, the sliding rods 32 move and simultaneously drive the guide blocks 33 to move, the three guide blocks 33 move to further drive the rotating plate 35 to rotate, the rotating plate 35 rotates to further drive the other six guide blocks 33 to slide in the guide grooves 351, the six guide blocks 33 move towards the direction far away from the base plate under the driving of the guide grooves 351, and further drive the other six sliding rods 32 to move towards the direction far away from the base 11, so that all the sliding rods 32 are in butt with the inner wall of the flange, and the flange is stably installed on the three-jaw outward-expansion type lifting tool for flange transportation. When the length of the first hydraulic telescopic rod 16 is prolonged, hydraulic fluid in the fixed end of the first hydraulic telescopic rod 16 enters the communicating cavity 312 through the guide pipe, the hydraulic fluid enters the sliding rail 311 through the communicating cavity 312, the sliding rod 32 is pushed to flow through the communicating cavity 312 continuously, the pressure in the communicating cavity 312 is further increased, the hydraulic fluid exerts a force far away from the base plate on the sliding rod 32, the position of the sliding rod 32 is stabilized, the expansion mechanism 3 is stabilized, and the installation stability of the flange in the three-jaw expanding type lifting appliance for flange transportation is improved. When the pressure in the communication chamber 312 is greater than the pressure of the pressure valve 34, the pressure valve 34 is opened, and the hydraulic fluid enters each slide rod 32 and flows toward the end of the slide rod 32 near the inner wall of the flange. The hydraulic fluid in the sliding rod 32 plays a role in cooling the flange, so that the flange is cooled rapidly, and the situation that the surface temperature is too high after the flange is processed in a heat treatment mode such as forging and the like is avoided, so that danger is caused to workers.
Referring to fig. 2 and 5, the fixing mechanism 4 includes a fourth hydraulic telescopic rod 42, a fixed end of the fourth hydraulic telescopic rod 42 is coaxial and fixedly installed in the installation cavity 111 of the base 11, the fixed end of the fourth hydraulic telescopic rod 42 is communicated with one end of the fixed ends of the three third hydraulic telescopic rods 23, which is far away from the output ends, the fourth hydraulic telescopic rod 42 is communicated with the three third hydraulic telescopic rods 23 through a conduit, one end of the output ends of the fourth hydraulic telescopic rod 42, which is far away from the fixed ends, is rotationally connected with a threaded plate 43, and the threaded plate 43 is rotationally connected with the output ends of the fourth hydraulic telescopic rod 42 in a manner of forming a T-shaped groove on the threaded plate 43, so that relative displacement between the threaded plate 43 and the output ends of the fourth hydraulic telescopic rod 42 in the axial direction of the base 11 cannot occur. The end of the thread plate 43 remote from the fixed tube 12 is fixedly connected with a driven face gear 41, and the driven face gear 41 can be meshed with the driving face gear 36. The end face, close to the fixed pipe 12, of the threaded plate 43 is provided with a threaded groove line, three uniformly distributed threaded clamping strips 44 are connected to the threaded plate 43 in a threaded mode, and the depth length of the threaded groove of the threaded plate 43 in threaded connection with the threaded clamping strips 44 is larger than the output length of the output end of the fourth hydraulic telescopic rod 42. The thread clamping strips 44 are slidably mounted on the base 11, one ends of the three thread clamping strips 44 are arranged in the mounting cavity 111, the other ends of the thread clamping strips 44 are respectively arranged in the three fixing frames 15 in a one-to-one correspondence manner, and the thread clamping strips 44 are slidably arranged in the fixing frames 15. One end of the three thread clamping strips 44 far away from the fourth hydraulic telescopic rod 42 is provided with limiting holes 441 in a penetrating mode, two fixing pins 442 are symmetrically and slidably arranged in each limiting hole 441, a spring 443 is arranged between the two fixing pins 442, and two ends of the spring 443 are fixedly connected with one ends, close to the two fixing pins 442, of the fixing pins 442 respectively. The ends of the two fixing pins 442 that are far away from each other are inclined surfaces.
When a lifting appliance fixing flange for three-jaw outward-expansion flange transportation is needed and the flange is transported, the output end of the third hydraulic telescopic rod 23 moves towards the direction close to the fixed pipe 12, hydraulic fluid in the fixed end of the third hydraulic telescopic rod 23 enters the fixed end of the fourth hydraulic telescopic rod 42 through a guide pipe, the output end of the fourth hydraulic telescopic rod 42 moves towards the direction far away from the fixed end, and then the thread plate 43 moves towards the direction close to the driving face gear 36 until the driven face gear 41 is meshed with the driving face gear 36. Afterwards, when the rotating plate 35 rotates, the rotating plate 35 rotates to drive the driving face gear 36 to rotate, the driving face gear 36 rotates to drive the driven face gear 41 to rotate, the driven face gear 41 rotates to drive the threaded plate 43 to rotate, the threaded plate 43 rotates to drive the three threaded clamping strips 44 to move in the direction away from the axis of the fixed sleeve, the fixing pins 442 are sequentially clamped into the positioning holes 151 while the threaded clamping strips 44 slide in the fixing frame 15, the positions of the threaded clamping strips 44 are limited, the stability of the fixing mechanism 4 is improved, the stability of the expanding mechanism 3 is further improved, the suitability of the flange lifting appliance is improved, and the stability and the safety of the flange lifting appliance in use are improved.
The implementation principle of the three-jaw outward-expansion type lifting appliance for flange transportation is as follows: when needing to fix and lift by crane the flange, adjustment shifter 2 for hoist mechanism 1 normally works, hoist mechanism 1 work and then drives expansion mechanism 3 work, expansion mechanism 3 work makes flange stable installation in a three-jaw outward expansion formula flange hoist for transportation, drives fixed establishment 4 work when expansion mechanism 3 work, and then improves the structural stability of a three-jaw outward expansion formula flange hoist for transportation, improves flange hoist's suitability, improves flange hoist stability and security when using.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. The utility model provides a three-jaw expands formula flange transportation with hoist which characterized in that: comprises a lifting appliance mechanism (1), a switching mechanism (2), an expanding mechanism (3) and a fixing mechanism (4) which are arranged on the lifting appliance mechanism (1);
the spreader mechanism (1) comprises:
the base (11), the said base (11) is connected with said expansion mechanism (3), offer the installation cavity (111) in the said base (11);
a fixed pipe (12), wherein the fixed pipe (12) is fixedly arranged on the base (11), and the fixed pipe (12) is connected with the switching mechanism (2);
the movable sleeve (13) is sleeved with the movable sleeve (13) and is slidably arranged at one end, far away from the base (11), of the fixed pipe (12);
the three fixing frames (15) are uniformly and fixedly arranged on the side wall of the periphery of the base (11);
the fixed ends of the three first hydraulic telescopic rods (16) are uniformly and hingedly mounted on the side wall of the periphery of the movable sleeve (13), and the output ends of the three first hydraulic telescopic rods (16) are respectively and correspondingly hinged to one end, far away from the base (11), of the three fixing frames (15);
the three second hydraulic telescopic rods (17), the three second hydraulic telescopic rods (17) fixed ends are fixedly installed on the fixing frames (15) in a one-to-one correspondence mode respectively, and one ends, far away from the output ends, of the three second hydraulic telescopic rods (17) fixed ends are communicated with one ends, close to the output ends, of the three first hydraulic telescopic rods (16) fixed ends respectively in a one-to-one correspondence mode.
2. The three-jaw expanding flange transportation sling as defined in claim 1, wherein: the expansion mechanism (3) comprises:
the rotating plate (35), the rotating plate (35) is rotatably arranged at one end of the base (11) far away from the fixed pipe (12), a plurality of evenly distributed guide grooves (351) are formed in the rotating plate (35), and the number of the guide grooves (351) is not less than six;
the fixing plate (31), the fixing plate (31) is rotatably installed at one end, far away from the base (11), of the rotating plate (35), a communication cavity (312) is formed in the fixing plate (31), a plurality of evenly distributed sliding rails (311) are communicated with the periphery of the communication cavity (312), the sliding rails (311) are all arranged on the fixing plate (31) in a penetrating mode, and the sliding rails (311) are the same in number as the guide grooves (351);
the sliding rods (32), the number of the sliding rods (32) is the same as the number of the sliding rails (311), the sliding rods (32) are slidably mounted in the sliding rails (311) in a one-to-one correspondence mode, the three sliding rods (32) which are uniformly distributed are fixedly connected with the output ends of the second hydraulic telescopic rods (17) respectively, the sliding rods (32) are fixedly provided with guide blocks (33), and the guide blocks (33) are slidably mounted in the guide grooves (351) in a one-to-one correspondence mode.
3. The three-jaw expanding flange transportation sling as defined in claim 2, wherein: an inner cavity is formed in each of the sliding rods (32), and each sliding rod (32) is communicated with the communication cavity (312);
the communication cavity (312) is communicated with one ends, close to the output ends, of the fixed ends of the three first hydraulic telescopic rods (16).
4. The three-jaw expanding flange transportation sling as defined in claim 2, wherein: and a pressure valve (34) is arranged at the communication position of each sliding rod (32) and the communication cavity (312).
5. The three-jaw expanding flange transportation sling as defined in claim 2, wherein: the switching mechanism (2) includes:
the three hooks (21) are uniformly and hingedly arranged on the side wall of the movable sleeve (13) at one end of each hook (21);
three supporting rods (22), wherein one ends of the three supporting rods (22) are uniformly and hinged on the side wall of the fixed pipe (12);
the three hydraulic telescopic rods (23), the three fixed ends of the third hydraulic telescopic rods (23) are fixed and uniformly installed on the side wall of the fixed pipe (12), one end, close to the output end, of each fixed end of each third hydraulic telescopic rod (23) is communicated with one end, close to the output end, of each fixed end of each first hydraulic telescopic rod (16), and the output end of each third hydraulic telescopic rod (23) is connected with one end, far away from the fixed pipe (12), of each supporting rod (22) in a sliding and rotating mode.
6. The three-jaw expanding flange transportation sling as defined in claim 5, wherein: the fixing mechanism (4) includes:
the fixed ends of the fourth hydraulic telescopic rods (42) are fixedly arranged in the mounting cavity (111) of the base (11), and the fixed ends of the fourth hydraulic telescopic rods (42) are respectively communicated with one ends, far away from the output ends, of the fixed ends of the three third hydraulic telescopic rods (23);
the threaded plate (43) is rotatably arranged at one end, far away from the fixed end, of the output end of the fourth hydraulic telescopic rod (42);
three screw thread card strip (44), three screw thread card strip (44) one end is even and slidable mounting be in on base (11), three screw thread card strip (44) other end respectively slidable mounting be in three in mount (15), three screw thread card strip (44) all with screw thread board (43) threaded connection.
7. The three-jaw expanding flange transportation sling as defined in claim 6, wherein: a driving face gear (36) is fixedly arranged at one end, close to the base (11), of the rotating plate (35), and the driving face gear (36);
and one end of the thread plate (43) far away from the fourth hydraulic telescopic rod (42) is fixedly connected with a driven face gear (41).
8. The three-jaw expanding flange transportation sling as defined in claim 1, wherein: a plurality of positioning holes (151) are formed in the three fixing frames (15).
9. The three-jaw expanding flange transportation sling as defined in claim 6, wherein: and one end, far away from the fourth hydraulic telescopic rod (42), of each threaded clamping strip (44) is provided with a limiting hole (441) in a penetrating mode, each limiting hole (441) is internally provided with two fixing pins (442) in a symmetrical sliding mode, a spring (443) is arranged between the two fixing pins (442), and two ends of the spring (443) are fixedly connected with one ends, close to the two fixing pins (442), of each fixing pin.
10. The three-jaw expanding flange transportation sling as defined in claim 1, wherein: and a hanging ring (14) is fixedly arranged at one end of the movable sleeve (13) far away from the base (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310520258.3A CN116216502B (en) | 2023-05-10 | 2023-05-10 | Three-jaw outward-expanding type lifting appliance for flange transportation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310520258.3A CN116216502B (en) | 2023-05-10 | 2023-05-10 | Three-jaw outward-expanding type lifting appliance for flange transportation |
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| Publication Number | Publication Date |
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| CN116216502A true CN116216502A (en) | 2023-06-06 |
| CN116216502B CN116216502B (en) | 2023-07-18 |
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| CN202310520258.3A Active CN116216502B (en) | 2023-05-10 | 2023-05-10 | Three-jaw outward-expanding type lifting appliance for flange transportation |
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Cited By (1)
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| CN116425013A (en) * | 2023-06-12 | 2023-07-14 | 定襄县宇特法兰有限公司 | Disc type flange buckle lifting appliance |
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|---|---|
| CN116216502B (en) | 2023-07-18 |
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