CN114148911A - Crane lifting appliance with accurate positioning and crane using same - Google Patents
Crane lifting appliance with accurate positioning and crane using same Download PDFInfo
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- CN114148911A CN114148911A CN202111581282.5A CN202111581282A CN114148911A CN 114148911 A CN114148911 A CN 114148911A CN 202111581282 A CN202111581282 A CN 202111581282A CN 114148911 A CN114148911 A CN 114148911A
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- adjusting
- lifting
- assemblies
- fixedly connected
- clamp
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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
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
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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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
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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
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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
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
- B66C11/18—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear comprising endless ropes or cables
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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
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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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
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a precisely-positioned crane lifting appliance, which comprises a control device and a lifting appliance platform, wherein the control device is arranged on the lifting appliance platform, lifting lug assemblies are arranged at four corners of the top surface of the lifting appliance platform, a first adjusting assembly is arranged on the bottom surface of the lifting appliance platform, two groups of second adjusting assemblies are symmetrically arranged on the first adjusting assembly, two groups of clamp assemblies are symmetrically arranged on each group of second adjusting assemblies, the clamp assemblies are positioned at the inner sides of the second adjusting assemblies, each clamp assembly comprises a clamp, a first groove structure is arranged on the top surface of the clamp positioned at the top of the second adjusting assembly, and a first proximity switch is arranged in the first groove structure; a second groove structure is formed in the bottom surface of the clamp, which is positioned at the bottom of the second adjusting assembly, and a second proximity switch is arranged in the second groove structure; the invention also discloses a crane using the accurately positioned crane sling; the invention can accurately position the cylindrical workpieces so as to reduce the risk that the cylindrical workpieces fall off in the lifting and carrying process.
Description
Technical Field
The invention belongs to the technical field of cranes, and particularly relates to a crane lifting appliance with accurate positioning and a crane using the lifting appliance.
Background
At present, in the process of producing and processing cylindrical workpieces such as winding drums, steel coils and the like in a workshop, a bridge crane is generally used for hoisting and carrying, during hoisting, the cylindrical workpieces are generally erected on a workbench, and some existing crane slings for hoisting the cylindrical workpieces adopt two L-shaped hooks to respectively hang two ends of the cylindrical workpieces; some of the lifting tools are simple lifting tools formed by respectively arranging lifting ropes at two ends of a straight shaft after the straight shaft penetrates through a cylinder workpiece, no matter which type of lifting tool is adopted, the cylinder workpiece is not accurately positioned, namely the cylinder workpiece is infirm to fix, and finally the lifting tool on a lifting trolley is required to be used for lifting, the lifting tool is usually wound and unwound by the lifting mechanism to drive the lifting tool to lift, the steel wire rope can shake inevitably in the process of driving the lifting tool to lift, if the lifting tool is infirm to fix the cylinder workpiece, and the steel wire rope shakes, the risk that the cylinder workpiece falls exists, therefore, how to fix the cylinder workpiece firmly is solved, and the problem of the risk that the cylinder workpiece falls off in the lifting and carrying process is urgently solved.
Disclosure of Invention
The invention aims to provide a crane lifting appliance with accurate positioning and a crane using the lifting appliance, which can accurately position cylindrical workpieces, namely firmly fix the cylindrical workpieces so as to reduce the risk that the cylindrical workpieces fall off in the lifting and carrying process.
In order to solve the problems, the invention adopts the technical scheme that:
the utility model provides a hoist of accurate location includes controlling means which characterized in that: the lifting appliance comprises a lifting appliance platform, a control device, lifting lug assemblies, two groups of second adjusting assemblies, two groups of clamp assemblies and a lifting groove structure, wherein the lifting lug assemblies are arranged at four corners of the top surface of the lifting appliance platform, the first adjusting assemblies are horizontally distributed and are arranged at the bottom surface of the lifting appliance platform, the first adjusting assemblies are in signal connection with the control device, the two groups of second adjusting assemblies are symmetrically arranged on the first adjusting assemblies, can horizontally move along the first adjusting assemblies and can be close to or away from each other, the second adjusting assemblies are in signal connection with the control device, the second adjusting assemblies are vertically distributed, two groups of clamp assemblies which can vertically move along the second adjusting assemblies and can be close to or away from each other are symmetrically arranged on each group of second adjusting assemblies, the clamp assemblies are positioned at the inner sides of the second adjusting assemblies, each clamp assembly comprises a clamp which is horizontally distributed, and a first groove structure is arranged on the top surface of the clamp positioned at the top of the second adjusting assemblies, the top surface of one side, close to the second adjusting component, of the fixture is fixedly connected with a first limiting plate which is vertically distributed, the top surface of the other side of the fixture is an arc-shaped surface, and first proximity switches which are vertically distributed and are in signal connection with a control device are arranged in the first groove structure; the fixture bottom surface positioned at the bottom of the second adjusting component is provided with a second groove structure, the fixture is close to a second limiting plate fixedly connected with the vertical distribution on the bottom surface on one side of the second adjusting component, the top surface on the other side of the fixture is an arc-shaped surface, and a second proximity switch which is vertically distributed and is in signal connection with the control device is arranged in the second groove structure.
Further, the first adjusting component comprises two first adjusting seats which are vertically and oppositely distributed, the top ends of the first adjusting seats are fixedly connected with the lifting appliance platform, two first guide rods which are horizontally and oppositely distributed are fixedly connected between the two first adjusting seats, a first adjusting screw rod which is parallel to the first guide rods is arranged between the two first guide rods, two ends of the first adjusting screw rod are respectively connected with the first adjusting seat in a rotating way, one end of the first adjusting screw rod passes through the first adjusting seat and then is connected with a first adjusting motor in a rotating way, the spiral directions of two sides of the first adjusting screw rod are opposite, and two sides of the first adjusting screw rod are respectively connected with a first slide block in a threaded way, the top and bottom ends of the first slide block are respectively sleeved on the first guide rod, the bottom end of the first slide block is provided with the second adjusting component, the first adjusting motor is in signal connection with the control device, and the first adjusting motor is installed on the first adjusting seat through a first motor support.
Further, the second adjusting component comprises a connecting plate which is vertically distributed, the top end of the connecting plate is fixedly connected with the first sliding block, the inner side of the connecting plate is fixedly connected with two second adjusting seats which are horizontally distributed oppositely, two second guide rods which are vertically distributed oppositely are fixedly connected between the two second adjusting seats, a second adjusting screw rod which is parallel to the second guide rods is arranged between the two second guide rods, two ends of the second adjusting screw rod are respectively and rotatably connected with the second adjusting seats, the bottom end of the second adjusting screw rod penetrates through the second adjusting seats and then is rotatably connected with a second adjusting motor, the spiral directions of the top and the bottom of the second adjusting screw rod are opposite, the top and the bottom of the second adjusting screw rod are respectively in threaded connection with a second sliding block, two sides of the second sliding block are respectively sleeved on the second guide rods, the inner side of the second sliding block is fixedly connected with the clamp, and the second adjusting motor is in signal connection with the control device, the second accommodate motor passes through second motor support mounting on the seat is adjusted to the second, and second accommodate motor below is provided with horizontal distribution's mounting panel, mounting panel and connecting plate fixed connection, the vertical distribution of mounting panel bottom surface fixedly connected with and the first laser range finder of controlling means signal connection, wherein fixedly connected with horizontal distribution on a set of second adjust assembly's the mounting panel medial surface and the second laser range finder of controlling means signal connection, be provided with the relative laser induction zone that sets up with second laser range finder on another set of second adjust assembly's the mounting panel medial surface.
Further, the bottom in every group second adjusting part outside all is provided with the lifting hook subassembly, the lifting hook subassembly includes two interval relative distribution's first journal stirrup and second journal stirrup, first journal stirrup and second journal stirrup all with connecting plate lateral surface fixed connection, first journal stirrup is located second journal stirrup top, is provided with the second sling chain on the first journal stirrup, it has the hanger plate to articulate on the second journal stirrup, the second sling chain is connected with the hanger plate, the one end that the second journal stirrup was kept away from to the hanger plate is provided with the anticreep lifting hook.
Further, be provided with supplementary hoist subassembly on the first adjusting part between two sets of second adjusting parts, supplementary hoist subassembly includes the supporting seat of vertical distribution, the supporting seat is located the intermediate position and the supporting seat cover of first adjusting screw and is established respectively on first adjusting screw and first guide bar, supporting seat top and hoist platform fixed connection, and the supporting seat bottom rotates and is connected with rings, the symmetry is provided with the first chain sling of two detachable on the rings, all be provided with the sucking disc formula electro-magnet with controlling means signal connection on the first chain sling.
Further, every group lug subassembly all includes two horizontal relative distribution's regulating plate, all is provided with the lug between two regulating plates, the lug is close to the threaded rod of the equal fixedly connected with horizontal distribution in both sides of regulating plate, the threaded rod all through the slide and the regulating plate sliding connection who runs through the regulating plate of seting up on the regulating plate, and threaded rod runs through equal threaded connection behind the regulating plate and has set nut.
The invention also discloses a crane using the accurately-positioned crane sling, which comprises a crane control system in signal connection with a control device and two end beams which are horizontally distributed relatively, wherein two main beams which are horizontally distributed relatively are arranged between the two end beams, and one end beam is provided with a cart travelling mechanism, and the accurately-positioned crane sling is characterized in that: two trolleys capable of moving along the main beams are symmetrically arranged between the two main beams, each trolley is provided with two lifting hooks through steel wire ropes, each lifting hook is respectively used for lifting the lifting lug assembly, and the two trolleys are detachably and fixedly connected.
Furthermore, two connecting rods which are horizontally distributed oppositely are arranged between the two trolleys, each connecting rod is a split connecting rod, each connecting rod comprises a first connecting rod and a second connecting rod which are oppositely arranged, one end of each first connecting rod far away from the corresponding second connecting rod is fixedly connected with one trolley, the other end of each first connecting rod is provided with a plurality of first connecting holes which are distributed equidistantly along the length direction of the corresponding first connecting rod, one end of each second connecting rod far away from the corresponding first connecting rod is fixedly connected with the other trolley, the other end of each second connecting rod is provided with a plurality of second connecting holes which are distributed equidistantly along the length direction of the corresponding second connecting rod, a locking bolt is arranged between each second connecting hole and the corresponding first connecting hole, and a screw rod of each locking bolt sequentially penetrates through the corresponding first connecting rod and the corresponding second connecting rod through the corresponding first connecting hole and the corresponding second connecting hole, and a locking nut is also in threaded connection with the screw rod of the locking bolt.
By adopting the technical scheme, the invention has the beneficial effects that:
when the lifting device is used, a cylindrical workpiece is erected on a workbench, two ends of the cylindrical workpiece need to extend out of the workbench, a special crane lifting device for the cylindrical workpiece can be formed by arranging a control device, a lifting device platform, a lifting lug assembly, a first adjusting assembly, a second adjusting assembly and a clamp assembly, and particularly, the lifting device platform is used for supporting the lifting lug assembly and the first adjusting assembly and is used for indirectly supporting the second adjusting assembly and the clamp assembly; the lifting lug assembly is convenient for a lifting mechanism of the crane to lift; the first adjusting assembly is used for horizontally adjusting the position between the second adjusting assemblies so as to indirectly horizontally adjust the position between the clamp assemblies; the second adjusting assembly is used for vertically adjusting the position between the clamp assemblies; the clamp assembly is used for fixing the cylindrical workpiece; the control device is used for respectively controlling the first adjusting assembly, the second adjusting assembly and the clamp assembly to operate, so that a crane lifting appliance is more intelligent and convenient, the lifting of the cylindrical workpieces is facilitated, in addition, the clamp assembly can accurately control the fixation of the cylindrical workpieces by adopting the first proximity switch and the second proximity switch, and therefore the cylindrical workpieces can be accurately positioned, namely the cylindrical workpieces are firmly fixed, the risk that the cylindrical workpieces fall off in the lifting and carrying process is reduced, and the cylindrical workpieces with different specifications can be lifted; on the basis, the cylindrical workpieces with the length exceeding the adjusting stroke of the first adjusting assembly can be hoisted by arranging the hoisting hook assembly; and the auxiliary lifting appliance assembly is arranged to assist in fixing the cylindrical workpieces, so that the cylindrical workpieces of different specifications can be lifted and carried.
Drawings
FIG. 1 is a schematic structural view of a precisely positioned crane spreader of the present invention;
figure 2 is a perspective view of the shackle assembly of figure 1;
FIG. 3 is a schematic diagram of the construction of a crane of the present invention using a precisely positioned crane spreader;
FIG. 4 is a schematic perspective view of the connecting rod of FIG. 3;
FIG. 5 is a schematic view of the present invention in a use state;
fig. 6 is a second schematic structural view of the present invention in a use state.
Reference numerals: 1. a control device; 2. a second adjustment assembly; 20. a second laser rangefinder; 21. a second adjusting seat; 22. a second guide bar; 23. a second adjusting screw; 24. a second adjustment motor; 25. a second slider; 26. a second motor support; 27. a connecting plate; 28. mounting a plate; 29. a first laser range finder; 3. a clamp assembly; 31. a clamp; 32. a first groove structure; 33. a first limit plate; 34. a first proximity switch; 35. a second groove structure; 36. a second limiting plate; 37. a second proximity switch; 4. an auxiliary hoist assembly; 41. a supporting seat; 42. a hoisting ring; 43. a first hoist chain; 44. a sucker type electromagnet; 5. a first adjustment assembly; 51. a first adjusting seat; 52. a first guide bar; 53. a first adjusting screw; 54. a first adjustment motor; 55. a first slider; 56. a first motor bracket; 6. a shackle assembly; 61. an adjusting plate; 62. lifting lugs; 63. a threaded rod; 64. a slideway; 65. positioning a nut; 7. a trolley; 71. a wire rope; 72. a lifting hook; 8. a connecting rod; 81. a first connecting rod; 82. a second connecting rod; 83. locking the bolt; 84. locking the nut; 9. a hook assembly; 91. a first lug; 92. a second lug; 93. a second hoist chain; 94. a hanger plate; 95. an anti-drop lifting hook; 10. a spreader platform; 11. an end beam; 12. a cart traveling mechanism; 13. a main beam; 14. cylindrical workpieces.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
When the crane lifting appliance is used, the cylindrical workpiece 14 is erected on the workbench, two ends of the cylindrical workpiece 14 need to extend out of the workbench, the crane lifting appliance is manually operated to lift, as shown in fig. 1-3, 5 and 6, the crane lifting appliance provided by the invention comprises a control device 1, and specifically, the control device 1 adopts an existing PLC control system and has the functions of conversion, receiving, processing, emission, control and the like; the lifting appliance comprises a lifting appliance platform 10 which is horizontally arranged, a control device 1 is arranged on the lifting appliance platform 10, lifting lug assemblies 6 are arranged at four corners of the top surface of the lifting appliance platform 10, first adjusting assemblies 5 which are horizontally distributed are arranged on the bottom surface of the lifting appliance platform 10, the first adjusting assemblies 5 are in signal connection with the control device 1, the control device 1 can control the first adjusting assemblies 5 to operate, two groups of second adjusting assemblies 2 which can horizontally move along the first adjusting assemblies 5 and can mutually approach or separate are symmetrically arranged on the first adjusting assemblies 5, the second adjusting assemblies 2 are in signal connection with the control device 1, the control device 1 can control the second adjusting assemblies 2 to operate, the second adjusting assemblies 2 are vertically distributed, two groups of clamp assemblies 3 which can vertically move along the second adjusting assemblies 2 and can mutually approach or separate are symmetrically arranged on each group of second adjusting assemblies 2, the clamp assemblies 3 are all located on the inner side of the second adjusting assembly 2, each clamp assembly 3 comprises a clamp 31 which is horizontally distributed, when the clamp is used, each clamp 31 is located in the corresponding cylindrical workpiece 14 and is abutted to the inner wall of the corresponding cylindrical workpiece 14, a first groove structure 32 is formed in the top surface of each clamp 31 located at the top of the second adjusting assembly 2, each first groove structure 32 is used for increasing the friction force of the abutted position of each clamp 31 and the inner wall of the corresponding cylindrical workpiece 14, first limiting plates 33 which are vertically distributed are fixedly connected to the top surface of one side, close to the second adjusting assembly 2, of each clamp 31, each first limiting plate 33 is used for limiting the length of each clamp 31 located in the corresponding cylindrical workpiece 14, the top surface of the other side of each clamp 31 is an arc-shaped surface, and the side of each clamp 31 can conveniently enter the corresponding cylindrical workpiece 14; the first groove structure 32 is internally provided with first proximity switches 34 which are vertically distributed and are in signal connection with the control device 1, the first proximity switches 34 are inductive proximity switches, and the first proximity switches 34 are used for detecting whether the clamp 31 positioned at the top is in place, namely detecting the distance between the clamp 31 and the inner wall of the cylindrical workpiece 14 and feeding back the distance to the control device 1; a second groove structure 35 is arranged on the bottom surface of the clamp 31 at the bottom of the second adjusting assembly 2, the second groove structure 35 is also used for increasing the friction force at the abutting position of the clamp 31 and the inner wall of the cylindrical workpiece 14, a second limiting plate 36 which is vertically distributed is fixedly connected to the bottom surface of one side of the clamp 31 close to the second adjusting assembly 2, the second limiting plate 36 is also used for limiting the length of the clamp 31 in the cylindrical workpiece 14, the top surface of the other side of the clamp 31 is an arc surface which is convenient for the side of the clamp 31 to enter the cylindrical workpiece 14, a second proximity switch 37 which is vertically distributed and is in signal connection with the control device 1 is arranged in the second groove structure 35, the second proximity switch 37 is an inductive proximity switch, the second proximity switch 37 is used for detecting whether the clamp 31 at the bottom is in place or not, namely detecting the distance between the clamp 31 and the inner wall of the cylindrical workpiece 14 and feeding back to the control device 1, the crane lifting appliance special for the cylindrical workpieces can be formed by arranging the control device 1, the lifting appliance platform 10, the lifting lug assembly 6, the first adjusting assembly 5, the second adjusting assembly 2 and the clamp assembly 3, and particularly, the lifting appliance platform 10 is used for supporting the lifting lug assembly 6 and the first adjusting assembly 5 and indirectly supporting the second adjusting assembly 2 and the clamp assembly 3; the lifting lug assembly 6 is convenient for a lifting mechanism of the crane to lift; the first adjusting assembly 5 is used for horizontally adjusting the position between the second adjusting assemblies 2 so as to indirectly horizontally adjust the position between the clamp assemblies 3; the second adjusting assembly 2 is used for vertically adjusting the position between the clamp assemblies 3; the clamp assembly 3 is used for fixing the cylindrical workpiece 14; the control device 1 is used for respectively controlling the first adjusting component 5, the second adjusting component 2 and the clamp component 3 to operate, so that a crane lifting appliance is more intelligent and convenient, the lifting of the cylindrical workpieces 14 is facilitated, in addition, the fixing of the cylindrical workpieces 14 can be accurately controlled by the first proximity switch 34 and the second proximity switch 37 in the clamp component 3, and therefore the cylindrical workpieces 14 can be accurately positioned, namely the cylindrical workpieces 14 are firmly fixed, the risk that the cylindrical workpieces 14 fall in the lifting and carrying process is reduced, and the cylindrical workpieces 14 of different specifications can be lifted.
The first adjusting assembly 5 has the following specific structure: as shown in fig. 1, 3, 5 and 6, the first adjusting assembly 5 includes two first adjusting seats 51 vertically distributed relatively, the top ends of the first adjusting seats 51 are fixedly connected to the spreader platform 10, two first guide rods 52 horizontally distributed relatively are fixedly connected between the two first adjusting seats 51, a first adjusting screw 53 parallel to the first guide rods 52 is disposed between the two first guide rods 52, two ends of the first adjusting screw 53 are respectively rotatably connected to the first adjusting seats 51, one end of the first adjusting screw 53 passes through the first adjusting seats 51 and is rotatably connected to a first adjusting motor 54, two sides of the first adjusting screw 53 have opposite spiral directions, two sides of the first adjusting screw 53 are respectively connected to a first sliding block 55 by screw threads, two ends of the top and bottom of the first sliding block 55 are respectively sleeved on the first guide rods 52, the bottom ends of the first sliding block 55 are respectively provided with the second adjusting assembly 2, first adjusting motor 54 is in signal connection with controlling means 1, controlling means 1 can control first adjusting motor 54 operation, first adjusting motor 54 is installed on first regulation seat 51 through first motor support 56, concretely, first adjusting motor 54 is first regulation lead screw 53 pivoted power supply for the motor that just reverses, two first sliders 55 can be close to each other or keep away from each other along first regulation lead screw 53 horizontal migration when first adjusting motor 54 drives first regulation lead screw 53 pivoted in-process, thereby can the position between the horizontal adjustment second adjusting part 2, with the position between the indirect horizontal adjustment anchor clamps subassembly 3.
The second adjusting assembly 2 has the following specific structure: as shown in fig. 1, 3, 5 and 6, the second adjusting assembly 2 includes a connecting plate 27 vertically distributed, the top end of the connecting plate 27 is fixedly connected with a first sliding block 55, the inner side of the connecting plate 27 is fixedly connected with two second adjusting seats 21 horizontally distributed relatively, two second guide rods 22 vertically distributed relatively are fixedly connected between the two second adjusting seats 21, a second adjusting screw 23 parallel to the second guide rods 22 is arranged between the two second guide rods 22, two ends of the second adjusting screw 23 are respectively rotatably connected with the second adjusting seats 21, the bottom end of the second adjusting screw 23 passes through the second adjusting seats 21 and then is rotatably connected with a second adjusting motor 24, the spiral directions of the top and the bottom of the second adjusting screw 23 are opposite, the top and the bottom of the second adjusting screw 23 are respectively in threaded connection with a second sliding block 25, two sides of the second sliding block 25 are respectively sleeved on the second guide rods 22, the inner sides of the second sliding blocks 25 are fixedly connected with the clamp 31, the second adjusting motor 24 is in signal connection with the control device 1, the control device 1 can control the second adjusting motor 24 to operate, the second adjusting motor 24 is installed on the second adjusting seat 21 through the second motor support 26, specifically, the second adjusting motor 24 is a forward and reverse motor and is a power source for rotating the second adjusting screw 23, when the second adjusting motor 24 drives the second adjusting screw 23 to rotate, the two second sliding blocks 25 can vertically move along the second adjusting screw 23 to be close to or away from each other, so that the positions between the clamp assemblies 3 can be vertically adjusted, in addition, a horizontally distributed mounting plate 28 is arranged below the second adjusting motor 24, the mounting plate 28 is fixedly connected with a connecting plate 27, the bottom surface of the mounting plate 28 is fixedly connected with first laser range finders 29 which are vertically distributed and in signal connection with the control device 1, at this time, a laser sensing area of the first laser distance meter 29 needs to be arranged on the ground where the cylindrical workpiece 14 is located, and the first laser distance meter 29 is used for detecting the distance between the bottom of the lifting appliance and the ground so as to prevent the lifting appliance from being damaged by bottom contact; in addition, the inner side surface of the mounting plate 28 of one of the second adjusting assemblies 2 is fixedly connected with the second laser distance measuring instruments 20 which are horizontally distributed and are in signal connection with the control device 1, the inner side surface of the mounting plate 28 of the other second adjusting assembly 2 is provided with a laser sensing area which is opposite to the second laser distance measuring instruments 20, and the second laser distance measuring instruments 20 are used for detecting the distance between the two second adjusting assemblies 2, so that the length of the clamp 31 in the cylinder type workpiece 14 can be more conveniently limited.
The specific structure of the spreader assembly 6 is as follows: as shown in fig. 1 to 3, 5 and 6, each group of lifting lug assemblies 6 comprises two adjusting plates 61 which are horizontally distributed relatively, lifting lugs 62 are arranged between the two adjusting plates 61, two sides of each lifting lug 62, which are close to the adjusting plates 61, are fixedly connected with threaded rods 63 which are horizontally distributed, the threaded rods 63 are slidably connected with the adjusting plates 61 through slideways 64 which are arranged on the adjusting plates 61 and penetrate through the adjusting plates 61, positioning nuts 65 are threadedly connected to the threaded rods 63 after penetrating through the adjusting plates 61, the positioning nuts 65 are used for fixing the positions of the threaded rods 63 on the adjusting plates 61, so as to fix the positions of the lifting lugs 62 on the adjusting plates 61, the lifting lugs 62 can move and fix on the adjusting plates 61 in such a way, so that the forces on two sides of the lifting sling platform 10 can be balanced when the lifting lugs 62 are lifted by a lifting mechanism of a crane, and the inclination degree of the cylindrical workpiece 14 can be reduced, the stability of the cylindrical workpiece 14 in hoisting is improved.
Because the lengths of the cylindrical workpieces 14 are different, and the crane sling can only suspend cylindrical workpieces 14 whose lengths are less than the adjustment stroke of the first adjustment assembly 5, the crane sling has limitations, as shown in fig. 1, 3, 5 and 6, the bottom of the outer side of each set of second adjustment assemblies 2 is provided with a hook assembly 9, the hook assembly 9 includes two first lugs 91 and a second lug 92 which are oppositely distributed at intervals, the first lug 91 and the second lug 92 are both fixedly connected with the outer side surface of the connecting plate 27, the first lug 91 is located above the second lug 92, the first lug 91 is provided with a second hanging chain 93, the second lug 92 is hinged with a hanging plate 94, the second hanging chain 93 is connected with the hanging plate 94, one end of the hanging plate 94 far away from the second lug 92 is provided with an anti-drop hook 95, specifically, the second hanging chain 93 can limit the inclination degree of the hanging plate 94, i.e. limit the included angle between the hanging plate 94 and the connecting plate 27, with the position of adjustment anticreep lifting hook 95, at this moment, need establish chain sling or lifting rope at drum class work piece 14 both ends cover, anticreep lifting hook 95 then is used for hanging gets chain sling or lifting rope, on the basis of above-mentioned hoist, can carry out the handling to drum class work piece 14 that length surpassed first adjusting part 5 regulation stroke through setting up lifting hook subassembly 9.
Further, as shown in fig. 1, 3 and 6, an auxiliary lifting device assembly 4 is disposed on the first adjusting assembly 5 between the two sets of second adjusting assemblies 2, the auxiliary lifting device assembly 4 includes a supporting seat 41 vertically distributed, the supporting seat 41 is located at the middle position of the first adjusting lead screw 53, the supporting seat 41 is respectively sleeved on the first adjusting lead screw 53 and the first guiding rod 52, the first adjusting lead screw 53 is in clearance fit with the first guiding rod 52 and the supporting seat 41, the top end of the supporting seat 41 is fixedly connected with the lifting device platform 10, the bottom end of the supporting seat 41 is rotatably connected with a lifting ring 42, two detachable first lifting chains 43 are symmetrically disposed on the lifting ring 42, the first lifting chains 43 are respectively provided with a suction cup type electromagnet 44 in signal connection with the control device 1, specifically, the suction cup type electromagnet 44 has magnetism when being powered on, the magnetism disappears when being powered off, the control device 1 can control whether the suction cup type electromagnet 44 is powered on, when the sucker type electromagnet 44 is not used, the sucker type electromagnet 44 can be detached by detaching the first lifting chain 43, when the sucker type electromagnet 44 is used, the sucker type electromagnet 44 is adsorbed on the outer wall of the cylindrical workpiece 14 to assist in fixing the cylindrical workpiece 14, and the auxiliary lifting appliance assembly 4 is arranged to assist in fixing the cylindrical workpiece 14, so that the cylindrical workpiece 14 with different specifications can be lifted and transported.
As shown in fig. 3 to 6, the invention also discloses a crane using the accurately positioned crane spreader, which comprises a crane control system in signal connection with the control device 1 and two end beams 11 which are horizontally distributed oppositely, the crane control system is the same as the control system used by the existing crane and can control the operation of each mechanism on the crane, the control device 1 can transmit data to the crane control system for storage, two main beams 13 which are horizontally distributed oppositely are arranged between the two end beams 11, and one of the end beams 11 is provided with a cart travelling mechanism 12, the cart travelling mechanism 12 comprises a cart motor, a cart reducer, cart wheels and a cart brake, the cart travelling mechanism 12 can enable the whole crane to realize the horizontal operation along the track, two crane trolleys 7 which can move along the main beams 13 are symmetrically arranged between the two main beams 13, each trolley 7 is provided with two lifting hooks 72 through a steel wire rope 71, each lifting hook 72 respectively lifts the lifting lug assembly 6, and the lifting lug assemblies 6 are four groups, so that the number of the lifting hooks 72 on each trolley 7 is two, in addition, the trolley also comprises a trolley frame and a lifting mechanism, the lifting mechanism is arranged on the trolley frame, the lifting mechanism comprises a lifting motor, a lifting reducer, a winding drum and a lifting brake, the steel wire rope 71 is wound on the winding drum, and the lifting hooks 72 are arranged at the end parts of the steel wire rope 71; in addition, because two trolleys 7 are adopted to lift the lifting appliance, in order to ensure that the two trolleys 7 run synchronously, the two trolleys 7 are fixedly connected in a detachable mode, at the moment, one trolley 7 runs actively, the other trolley 7 runs passively, and the lifting appliance is equivalent to preparing one standby trolley.
The two trolleys 7 can be detachably and fixedly connected in the following specific mode: as shown in fig. 3 to 6, two connecting rods 8 are arranged between two trolleys 7, the connecting rods 8 are horizontally and oppositely distributed, each connecting rod 8 is a split connecting rod, each connecting rod 8 includes a first connecting rod 81 and a second connecting rod 82 which are oppositely arranged, one end of the first connecting rod 81 far away from the second connecting rod 82 is fixedly connected with one trolley 7, the other end of the first connecting rod 81 is provided with a plurality of first connecting holes 83 which are equidistantly distributed along the length direction of the first connecting rod 81, one end of the second connecting rod 82 far away from the first connecting rod 81 is fixedly connected with the other trolley 7, the other end of the second connecting rod 82 is provided with a plurality of second connecting holes which are equidistantly distributed along the length direction of the second connecting rod 82, a locking bolt 83 is arranged between the second connecting holes and the first connecting holes, a screw of the locking bolt 83 sequentially penetrates through the first connecting rod 81 and the second connecting rod 82 through the first connecting holes and the second connecting holes, the screw of the locking bolt 83 is also in threaded connection with a locking nut 84, and the positions of the first connecting rod 81 and the second connecting rod 82 can be fixed after the distance between the first connecting rod 81 and the second connecting rod 82 is adjusted by arranging the locking nut 84 and the locking bolt 83, so that the two trolleys 7 are connected; the distance between the first connecting rod 81 and the second connecting rod 82 is adjustable to adjust the position of the lifting lug 62 on the adjusting plate 61.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents.
Claims (8)
1. The utility model provides a hoist of accurate location, includes controlling means, its characterized in that: the lifting appliance comprises a lifting appliance platform, a control device, lifting lug assemblies, two groups of second adjusting assemblies, two groups of clamp assemblies and a lifting groove structure, wherein the lifting lug assemblies are arranged at four corners of the top surface of the lifting appliance platform, the first adjusting assemblies are horizontally distributed and are arranged at the bottom surface of the lifting appliance platform, the first adjusting assemblies are in signal connection with the control device, the two groups of second adjusting assemblies are symmetrically arranged on the first adjusting assemblies, can horizontally move along the first adjusting assemblies and can be close to or away from each other, the second adjusting assemblies are in signal connection with the control device, the second adjusting assemblies are vertically distributed, two groups of clamp assemblies which can vertically move along the second adjusting assemblies and can be close to or away from each other are symmetrically arranged on each group of second adjusting assemblies, the clamp assemblies are positioned at the inner sides of the second adjusting assemblies, each clamp assembly comprises a clamp which is horizontally distributed, and a first groove structure is arranged on the top surface of the clamp positioned at the top of the second adjusting assemblies, the top surface of one side, close to the second adjusting component, of the fixture is fixedly connected with a first limiting plate which is vertically distributed, the top surface of the other side of the fixture is an arc-shaped surface, and first proximity switches which are vertically distributed and are in signal connection with a control device are arranged in the first groove structure; the fixture bottom surface positioned at the bottom of the second adjusting component is provided with a second groove structure, the fixture is close to a second limiting plate fixedly connected with the vertical distribution on the bottom surface on one side of the second adjusting component, the top surface on the other side of the fixture is an arc-shaped surface, and a second proximity switch which is vertically distributed and is in signal connection with the control device is arranged in the second groove structure.
2. A precisely positioned crane spreader according to claim 1, wherein: the first adjusting component comprises two first adjusting seats which are vertically and oppositely distributed, the top ends of the first adjusting seats are fixedly connected with the lifting appliance platform, two first guide rods which are horizontally and oppositely distributed are fixedly connected between the two first adjusting seats, a first adjusting screw rod which is arranged in parallel with the first guide rods is arranged between the two first guide rods, two ends of the first adjusting screw rod are respectively connected with the first adjusting seat in a rotating way, one end of the first adjusting screw rod passes through the first adjusting seat and then is connected with a first adjusting motor in a rotating way, the spiral directions of two sides of the first adjusting screw rod are opposite, and two sides of the first adjusting screw rod are respectively connected with a first slide block in a threaded way, the top and bottom ends of the first slide block are respectively sleeved on the first guide rod, the bottom end of the first slide block is provided with the second adjusting component, the first adjusting motor is in signal connection with the control device, and the first adjusting motor is installed on the first adjusting seat through a first motor support.
3. A precisely positioned crane spreader according to claim 2, wherein: the second adjusting assembly comprises connecting plates which are vertically distributed, the top end of each connecting plate is fixedly connected with the first sliding block, the inner side of each connecting plate is fixedly connected with two second adjusting seats which are horizontally distributed oppositely, two second guide rods which are vertically distributed oppositely are fixedly connected between the two second adjusting seats, a second adjusting screw rod which is parallel to the second guide rods is arranged between the two second guide rods, two ends of the second adjusting screw rod are respectively and rotatably connected with the second adjusting seats, the bottom end of the second adjusting screw rod penetrates through the second adjusting seats and then is rotatably connected with a second adjusting motor, the spiral directions of the top and the bottom of the second adjusting screw rod are opposite, the top and the bottom of the second adjusting screw rod are respectively in threaded connection with a second sliding block, two sides of the second sliding block are respectively sleeved on the second guide rods, the inner sides of the second sliding blocks are fixedly connected with the clamp, and the second adjusting motor is in signal connection with the control device, the second accommodate motor passes through second motor support mounting on the seat is adjusted to the second, and second accommodate motor below is provided with horizontal distribution's mounting panel, mounting panel and connecting plate fixed connection, the vertical distribution of mounting panel bottom surface fixedly connected with and the first laser range finder of controlling means signal connection, wherein fixedly connected with horizontal distribution on a set of second adjust assembly's the mounting panel medial surface and the second laser range finder of controlling means signal connection, be provided with the relative laser induction zone that sets up with second laser range finder on another set of second adjust assembly's the mounting panel medial surface.
4. A precisely positioned crane spreader according to claim 3, wherein: the bottom in every group second adjusting part outside all is provided with the lifting hook subassembly, the lifting hook subassembly includes two interval relative distribution's first journal stirrup and second journal stirrup, first journal stirrup and second journal stirrup all with connecting plate lateral surface fixed connection, first journal stirrup is located second journal stirrup top, is provided with the second lifting chain on the first journal stirrup, it has the hanger plate to articulate on the second journal stirrup, the second lifting chain is connected with the hanger plate, the one end that the second journal stirrup was kept away from to the hanger plate is provided with the anticreep lifting hook.
5. A precisely positioned crane spreader according to claim 4, wherein: be provided with supplementary hoist subassembly on the first adjusting part between two sets of second adjusting part, supplementary hoist subassembly includes the supporting seat of vertical distribution, the supporting seat is located the intermediate position and the supporting seat cover respectively of first adjusting screw and is established on first adjusting screw and first guide bar, supporting seat top and hoist platform fixed connection, and the supporting seat bottom is rotated and is connected with rings, the symmetry is provided with the first chain sling of two detachable on the rings, all be provided with the sucking disc formula electro-magnet with controlling means signal connection on the first chain sling.
6. A precisely positioned crane spreader according to claim 1, wherein: every group lug subassembly all includes two horizontal relative distribution's regulating plate, all is provided with the lug between two regulating plates, the lug is close to the threaded rod of the equal fixedly connected with horizontal distribution in both sides of regulating plate, the threaded rod all through the slide and the regulating plate sliding connection who runs through the regulating plate of seting up on the regulating plate, and threaded rod runs through equal threaded connection behind the regulating plate and has set nut.
7. A crane using the accurately positioned crane spreader of any one of claims 1 to 6, comprising a crane control system in signal connection with a control device and two horizontally oppositely distributed end beams, wherein two horizontally oppositely distributed main beams are arranged between the two end beams, and one of the end beams is provided with a cart travelling mechanism, characterized in that: two trolleys capable of moving along the main beams are symmetrically arranged between the two main beams, each trolley is provided with two lifting hooks through steel wire ropes, each lifting hook is respectively used for lifting the lifting lug assembly, and the two trolleys are detachably and fixedly connected.
8. A crane using a positionally accurate crane spreader according to claim 7, wherein: two connecting rods which are horizontally and oppositely distributed are arranged between the two hoisting trolleys, the connecting rods are split type connecting rods, each connecting rod comprises a first connecting rod and a second connecting rod which are oppositely arranged, one end of the first connecting rod, which is far away from the second connecting rod, is fixedly connected with one of the hoisting trolleys, the other end of the first connecting rod is provided with a plurality of first connecting holes which are distributed at equal intervals along the length direction of the first connecting rod, one end of the second connecting rod, which is far away from the first connecting rod, is fixedly connected with the other trolley, the other end of the second connecting rod is provided with a plurality of second connecting holes which are distributed at equal intervals along the length direction of the second connecting rod, and a locking bolt is arranged between the second connecting hole and the first connecting hole, a screw rod of the locking bolt sequentially penetrates through the first connecting rod and the second connecting rod through the first connecting hole and the second connecting hole, and a locking nut is further in threaded connection with the screw rod of the locking bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111581282.5A CN114148911A (en) | 2021-12-22 | 2021-12-22 | Crane lifting appliance with accurate positioning and crane using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111581282.5A CN114148911A (en) | 2021-12-22 | 2021-12-22 | Crane lifting appliance with accurate positioning and crane using same |
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| CN114148911A true CN114148911A (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111581282.5A Pending CN114148911A (en) | 2021-12-22 | 2021-12-22 | Crane lifting appliance with accurate positioning and crane using same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116199080A (en) * | 2023-03-10 | 2023-06-02 | 苏州市永盛防火材料有限公司 | Hoisting structure for sandwich panel |
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2021
- 2021-12-22 CN CN202111581282.5A patent/CN114148911A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116199080A (en) * | 2023-03-10 | 2023-06-02 | 苏州市永盛防火材料有限公司 | Hoisting structure for sandwich panel |
| CN116199080B (en) * | 2023-03-10 | 2024-06-11 | 苏州市永盛防火材料有限公司 | Hoisting structure for sandwich panel |
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