CN117303225B - A kind of floor-standing rocker arm holding pole lifting device for electric power construction - Google Patents
A kind of floor-standing rocker arm holding pole lifting device for electric power construction Download PDFInfo
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- CN117303225B CN117303225B CN202311588135.XA CN202311588135A CN117303225B CN 117303225 B CN117303225 B CN 117303225B CN 202311588135 A CN202311588135 A CN 202311588135A CN 117303225 B CN117303225 B CN 117303225B
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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Abstract
The invention discloses a lifting device for a floor rocker arm holding pole for electric power construction, and relates to the technical field of holding pole lifting devices. This electric power construction is with centering locating piece below the rocker arm hold pole hoisting device setting can submergence carrier assembly top surface for open and shut the synchronous initial stage that expands outside by central point in subassembly drive four centering locating pieces, can carry out centering positioning work with the upper portion lifting of centering locating piece to carrier assembly's top surface more, and at centering positioning work end, make four centering locating pieces simultaneously to the terminal stage that central point department contracts, can make the upper end of centering locating piece submergence carrier assembly's top surface less, and then when carrying out hoist and mount material loading work of hold pole or standard festival subsequently, need not promote standard festival or hold pole to higher distance, compared with prior art, greatly shortened the time of loading and uninstalling hold pole or standard festival, greatly promoted the set up efficiency of whole rocker arm hold pole that falls to the ground.
Description
Technical Field
The invention relates to the technical field of holding pole lifting devices, in particular to a floor rocker arm holding pole lifting device for electric power construction.
Background
The electric power iron tower is erected and needs to use a ground rocker arm pole to lift a structural member, the ground rocker arm pole and a standard knot are erected and need to be utilized to a pole lifting device, the pole is vertically placed inside the pole lifting device, the pole is lifted to the height of one standard knot through a lifting structure on the pole lifting device, then one standard knot is placed inside the pole lifting device and is located right below the pole, after the lifting device is aligned with the pole, the pole is placed on the standard knot by the lifting structure of the lifting device, then the pole is placed on the standard knot by a worker, the pole is connected by bolts, and the subsequent standard knot erecting work is repeatedly carried out, so that the ground rocker arm pole is erected;
according to the floor rocker arm holding pole lifting device disclosed in the prior China patent CN116513978A, the floor rocker arm holding pole lifting device comprises a bottom frame and a conveying frame fixedly connected to the top wall of the bottom frame, and further comprises: the lifting component is rotationally connected to the top wall of the underframe through a connecting piece, the conveying component comprises a bearing frame which is slidingly connected to the outer wall of the conveying frame, a supporting shaft which is rotationally connected to the bottom wall of the bearing frame, a positioning component which is slidingly connected to the outer wall of the bearing frame, a first gear and a second gear which are fixedly connected to the outer wall of the supporting shaft, and the lifting component is connected to the outer wall of the lifting component; according to the centering device, centering and positioning of the holding pole can be automatically completed in the process of conveying the holding pole, manual adjustment is not needed, the linkage is strong, the holding pole installation speed is increased, and the manual labor intensity is reduced;
as described above, in the prior art, the lifting device for the floor rocker arm holding pole is used for setting up the holding pole and the standard knot, compared with the prior art, by arranging a lifting assembly on the lifting device, the standard knot can be lifted automatically, the standard knot is lifted and fed, and the arranged conveying assembly automatically performs centering and alignment operation in the process of conveying the standard knot and the holding pole in place, so that the manual alignment is not needed, the labor intensity is greatly reduced, but certain problems still exist when the lifting device is used, and the lifting device is specifically as follows:
in order to automatically complete centering and aligning work of a pole and a standard knot in the process of conveying the standard knot or the pole, the lifting device for the floor rocker arm pole in the prior art needs to set up four protruding supporting blocks on a platform for supporting the pole, and the four supporting blocks are synchronously driven to outwards expand the internal supporting pole or the standard knot in the conveying process, so that centering and aligning effects are achieved, but due to the fact that the protruding supporting blocks are arranged above a supporting plane, the standard knot or the pole is lifted to the supporting plane, compared with the traditional method of directly lifting the standard knot or the pole to the supporting plane, the height of the lifting standard knot or the pole needs to be increased, the pole or the standard knot is enabled to be lifted over the supporting plane and then to be lowered onto the supporting plane, whether the lifting pole or the lifting structure is used for lifting in a traditional method, the time for loading the pole and the standard knot is increased, a large number of standard knots need to be repeated in the whole loading process, and the integral installation efficiency is greatly reduced.
Therefore, it is necessary to provide a lifting device for a floor rocker arm holding pole for electric power construction, which solves the technical problems.
Disclosure of Invention
(one) solving the technical problems
In order to solve the technical problems, the invention provides a lifting device for a floor rocker arm holding pole for electric power construction.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a floor rocker arm holding pole lifting device for electric power construction, includes the base, one side of base top surface is fixed with the lower carriage, the top of lower carriage is fixed with the upper carriage, the outside cover of upper carriage is equipped with jacking structure, jacking structure's bottom is connected with the top of base, the top slidable mounting of base has the delivery subassembly, still install on the top surface of base and be used for driving the gliding translation subassembly in base top of delivery subassembly, four centering locating pieces of equiangular interval slidable mounting on the delivery subassembly, the top of centering locating piece has the first state that stretches out delivery subassembly top surface and the second state that drops into delivery subassembly top surface below, still install the subassembly that opens and shuts that is used for driving four centering locating pieces synchronous movement on the delivery subassembly.
Preferably, the carrying assembly comprises a carrying top plate arranged above the base, two connecting strips are symmetrically fixed at the bottom of the carrying top plate in the length direction of the base, a cross frame is fixed between the two connecting strips, a bottom plate is fixed at the bottom of the connecting strips, four centering positioning blocks are all in sliding connection with the cross frame, four avoidance grooves are formed in the carrying top plate at equal angular intervals, four centering positioning blocks are respectively located at the inner sides of the four avoidance grooves, and a pushing assembly used for driving the centering positioning blocks to switch from a first state to a second state is further arranged at the inner sides of the avoidance grooves.
Preferably, the translation subassembly includes first screw rod, slide bar, first screw thread sleeve and motor, one side at the top of base is connected with first screw rod through the bearing rotation, one side that the top of base deviates from first screw rod is fixed with the slide bar, the one end that the cross frame is close to first screw rod is fixed with first screw thread sleeve, first screw thread sleeve and first screw thread connection, the one end that the cross frame deviates from first screw thread sleeve is fixed with the sliding sleeve, sliding sleeve and the outside sliding connection of slide bar, the top of base is fixed with the motor, the one end that the first screw rod is close to the motor is fixed with the output of motor.
Preferably, the centering locating block comprises a moving block, a sliding bar, an inclined plate and a first spring, wherein the sliding bar is connected onto the moving block in a sliding manner through a first sliding hole, the inclined plate is fixed at the top of the sliding bar, the first spring is sleeved on the outer side of the sliding bar, the four moving blocks are respectively connected with the four ends of the cross frame in a sliding manner through second sliding holes, one side, close to the center position of the carrying top plate, of the inclined plate is provided with an inclined surface, and one end of the first spring is in extrusion contact with the bottom of the inclined plate, and the other end of the first spring is in extrusion contact with the top surface of the moving block.
Preferably, the pushing assembly comprises a pushing column rotatably mounted on the inner wall of the avoidance groove near the center of the carrying top plate through a bearing, and the pushing column is matched with the inclined surface of the inclined plate.
Preferably, the motor is a gear motor.
Preferably, the carrying top plate further comprises four groups of spherical holes which are arranged on the carrying top plate at equal angle intervals, the upper ends and the lower ends of the spherical holes are all in open arrangement, each group of spherical holes are all in equal interval arrangement, ball assemblies are arranged on the inner sides of the spherical holes, and the upper ends and the lower ends of the ball assemblies are respectively arranged on the top surface and the bottom surface of the carrying top plate in a protruding mode.
Preferably, the opening and closing assembly comprises a driving disc and a synchronous limiting assembly, the middle part of the top surface of the bottom plate is rotationally connected with the driving disc through a shaft pin, four arc-shaped grooves are formed in the driving disc at equal angular intervals, a gear ring is fixed on the periphery of the driving disc, a rack is slidably mounted on one side, close to the lower support frame, of the top of the base through a linear sliding rail, the rack is matched with the gear ring, an adjusting assembly for adjusting the position of the rack is further mounted on the top of the base, a plug rod is fixed at the bottom of each moving block, the lower ends of the four plug rods are respectively inserted into the inner sides of the four arc-shaped grooves, a second spring is fixed between two moving blocks among the four moving blocks, and the two moving blocks fixed with the second spring are located at positions opposite to each other, and the synchronous limiting assembly for limiting the ball assembly is further mounted on the driving disc.
Preferably, the adjusting component comprises a second screw rod and a second threaded sleeve, the second screw rod is rotatably connected to the top surface of one side, close to the rack, of the base through a bearing, the second threaded sleeve is fixed to the outer wall of the rack, the second threaded sleeve is in threaded connection with the second screw rod, and a knob is further fixed to the end portion of the second screw rod.
Preferably, the synchronous limiting assembly comprises a driving inclined block and a rubber pad, four driving inclined blocks are fixed at equal angle intervals at the top of the driving disc, any one of the driving inclined blocks rotates for 90 degrees around the axis of the driving disc to be coincident with one driving inclined block adjacent to the driving inclined block, four supporting bars are fixed at equal angle intervals at the top of the bottom plate, any one of the supporting bars rotates for 90 degrees around the axis of the driving disc to be coincident with one supporting bar adjacent to the driving disc, a vertical sleeve is fixed at the upper end of each supporting bar, a vertical rod is connected to the inner side of the vertical sleeve in a sliding mode, the bottom of the vertical rod is arranged in a hemispherical mode, the bottom of the vertical rod is matched with the driving inclined block, an extrusion plate is fixed at the top of the vertical rod, each extrusion plate faces a group of ball assemblies, and the rubber pad is fixed at the top of the extrusion plate and matched with the ball assemblies.
(III) beneficial effects
The invention provides a lifting device for a floor rocker arm holding pole for electric power construction. Compared with the prior art, the method has the following beneficial effects:
1. according to the centering positioning device, the centering positioning blocks which can be submerged below the top surface of the carrying assembly are arranged, so that the four centering positioning blocks are driven by the opening and closing assembly to synchronously expand outwards from the central position in the initial stage, namely, the upper parts of the centering positioning blocks can be lifted above the top surface of the carrying assembly to perform centering positioning work, and after the centering positioning work is finished, the four centering positioning blocks simultaneously shrink towards the end stage of the central position, the upper ends of the centering positioning blocks can be submerged below the top surface of the carrying assembly, and then when the lifting and feeding work of the holding rod or the standard section is performed subsequently, the standard section or the holding rod does not need to be lifted to a higher distance, compared with the prior art, the time for loading and unloading the holding rod or the standard section is greatly shortened, and the setting efficiency of the whole floor-type holding rod is greatly improved;
2. according to the carrying assembly, the rotatable ball assembly is arranged on the carrying top plate, so that the standard joint or the holding rod is loaded on the carrying top plate, when centering and aligning are carried out in the conveying process, compared with the prior art that the holding rod or the standard joint is directly arranged on the carrying top plate, the holding rod or the standard joint is supported by the ball assembly and is in sliding contact instead of rolling contact, friction force is greatly reduced, when centering and aligning, the standard joint or the holding rod can be pushed to move and align more smoothly, abrasion caused to the gear ring and the gear rack is reduced, the service life of the whole device is prolonged, centering and aligning can be completed more quickly and smoothly due to friction reduction, and compared with the prior art, centering and aligning efficiency is improved, and the carrying top plate can convey the holding rod or the standard joint to a designated position more quickly;
3. according to the synchronous limiting assembly, when the gear and the rack are in a non-meshing state, the ball assembly is in a limited state, so that after the standard joint or the tower rod is placed on the carrying top plate, the translation assembly drives the carrying assembly to translate and convey the standard joint or the tower rod, the ball assembly is limited not to rotate, the standard joint or the tower rod cannot easily generate dislocation with the carrying assembly under the action of inertia, the ball assembly can be unlocked until the centering positioning block is lifted up after the gear and the rack are meshed, the ball assembly can slide at will, the standard joint or the tower rod can move at will in the follow-up centering operation, the synchronous limiting assembly is mechanically linked with the opening and closing assembly, the operation is more stable, and accurate cutting-in time can be always kept for locking and unlocking the ball assembly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a translation assembly according to the present invention;
FIG. 3 is a schematic view of a carrying roof structure of the present invention;
FIG. 4 is a schematic view of a carrier assembly according to the present invention;
FIG. 5 is a schematic view of an opening and closing assembly according to the present invention;
FIG. 6 is an enlarged view of the invention at A;
FIG. 7 is a schematic view of a synchronous limiting assembly according to the present invention;
FIG. 8 is a schematic view of the shape and structure of the vertical rod of the present invention;
FIG. 9 is a schematic diagram of a moving block position according to the present invention;
FIG. 10 is a side cross-sectional view of a traveling block of the present invention;
FIG. 11 is a schematic view of a second state of the centering block of the present invention;
FIG. 12 is a schematic view of a first state of the centering block of the present invention;
FIG. 13 is a schematic view of the structure of the adjusting assembly of the present invention;
FIG. 14 is a schematic view of a linear guide of the present invention;
FIG. 15 is a second schematic view of a linear guide of the present invention;
FIG. 16 is a schematic view of a ball assembly according to the present invention;
FIG. 17 is a schematic view of the spherical aperture shape of the present invention;
fig. 18 is a schematic structural diagram of a second embodiment of the present invention.
Reference numerals in the drawings: 1. a base; 2. a lower support frame; 3. an upper support frame; 4. a jacking structure; 5. a carrying assembly; 21. carrying a top plate; 211. a spherical hole; 212. a ball assembly; 2121. a ball housing; 2122. supporting the balls; 2123. a sub ball; 22. a connecting strip; 23. a cross frame; 24. a bottom plate; 25. an avoidance groove; 26. a pushing assembly; 261. pushing the column; 6. a translation assembly; 61. a first screw; 62. a slide bar; 63. a first threaded sleeve; 64. a sliding sleeve; 65. a motor; 7. centering the positioning block; 71. a moving block; 72. a slide bar; 73. an inclined plate; 74. a first spring; 8. an opening and closing assembly; 81. a drive plate; 82. an arc-shaped groove; 83. a gear ring; 84. a rack; 85. an adjustment assembly; 851. a second screw; 852. a second threaded sleeve; 853. a knob; 86. a rod; 87. a second spring; 88. a synchronous limit component; 881. driving the inclined block; 882. a support bar; 883. a vertical sleeve; 884. a vertical rod; 885. an extrusion plate; 886. a rubber pad; 9. a linear slide rail.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 to 17, an embodiment of the present invention provides a technical solution: the utility model provides a power construction is with floor rocker arm holding pole hoisting device, including base 1, one side of base 1 top surface is fixed with lower carriage 2, the top of lower carriage 2 is fixed with upper carriage 3, the outside cover of upper carriage 3 is equipped with jacking structure 4, the bottom of jacking structure 4 is connected with the top of base 1, upper carriage 3, lower carriage 2 and jacking structure 4 are prior art, do not repeated here, carrier assembly 5 is installed in the top slidable mounting of base 1, still install on the top surface of base 1 and be used for driving carrier assembly 5 at the gliding translation subassembly 6 in base 1 top, four centering locating pieces 7 are installed in the equidistant slidable mounting of carrier assembly 5, the top of centering locating piece 7 has the first state that stretches out carrier assembly 5 top surface and the second state that is submerged into carrier assembly 5 top surface below, still install on the carrier assembly 5 and be used for driving four centering locating pieces 7 synchronous movement's the subassembly 8 that opens and shuts.
When the device is used, the whole device is erected at a position where a floor holding pole is required to be installed, then the holding pole is arranged on a carrying component 5, the carrying component 5 carries the holding pole to enter the inner side of a lower supporting frame 2 by driving a translation component 6, four centering positioning blocks 7 in the process are simultaneously lifted and expanded to internally support four inner walls of a standard section under the driving of an opening and closing component 8, the holding pole is centered and positioned, then the lifting structure 4 is used for lifting the holding pole upwards, the carrying component 5 is moved out of the lower supporting frame 2 after the height of one standard section is lifted, the opening and closing component 8 in the process enables the four centering positioning blocks 7 to be centered and the top of the holding component is submerged below the top surface of the carrying component 5, one standard section is placed on the carrying component 5 after the movement, the carrying component 5 moves the standard section to the right below the holding pole, then transportation centering work is continued, and the centering work is finished, the holding pole and the standard section and the holding pole are connected with the standard section by bolts through the lifting structure 4, and the subsequent standard section is reciprocally installed;
the carrying assembly 5 comprises a carrying top plate 21 arranged above the base 1, two connecting strips 22 are symmetrically fixed at the bottom of the carrying top plate 21 in the length direction of the base 1, a cross frame 23 is fixed between the two connecting strips 22, a bottom plate 24 is fixed at the bottom of the two connecting strips 22, four centering positioning blocks 7 are all in sliding connection with the cross frame 23, four avoidance grooves 25 are formed in the carrying top plate 21 at equal angular intervals, the four centering positioning blocks 7 are respectively located at the inner sides of the four avoidance grooves 25, and a pushing assembly 26 for driving the centering positioning blocks 7 to switch from a first state to a second state is further arranged at the inner sides of the avoidance grooves 25.
Compared with the prior art, because the centering positioning blocks 7 used for centering positioning are close to each other, the top surface heights of the centering positioning blocks are lower than the top surface height of the carrying assembly 5, so that the holding rod and the standard section are loaded onto the carrying assembly 5 and the standard section and the holding rod are moved down from the carrying assembly 5 without lifting the holding rod and the standard section to a higher distance, and the centering positioning blocks 7 are not required to be crossed by lifting the higher distance in the loading and unloading process, so that the time for loading and unloading the holding rod and the standard section is greatly saved, the operation difficulty is reduced, and the integral disassembly and assembly efficiency is improved.
Translation subassembly 6 includes first screw rod 61, slide bar 62, first screw sleeve 63 and motor 65, one side at the top of base 1 is connected with first screw rod 61 through the bearing rotation, one side that the top of base 1 deviates from first screw rod 61 is fixed with slide bar 62, the one end that cross frame 23 is close to first screw rod 61 is fixed with first screw sleeve 63, first screw sleeve 63 and first screw rod 61 threaded connection, the one end that cross frame 23 deviates from first screw sleeve 63 is fixed with sliding sleeve 64, sliding sleeve 64 and the outside sliding connection of slide bar 62, the top of base 1 is fixed with motor 65, the one end that first screw rod 61 is close to motor 65 is fixed with the output of motor 65, motor 65 is gear motor 65.
When the carrying assembly 5 needs to be driven to move, the driving motor 65 rotates to enable the first screw 61 to rotate and drive the first threaded sleeve 63 to move on the first screw 61, so that the effect of driving the carrying assembly 5 to move can be achieved, and the effect of driving the carrying assembly 5 to move back and forth can be achieved by controlling the motor 65 to rotate positively and negatively.
The centering positioning block 7 consists of a moving block 71, a sliding bar 72 which is connected onto the moving block 71 in a sliding way through a first sliding hole, an inclined plate 73 which is fixed at the top of the sliding bar 72 and a first spring 74 which is sleeved outside the sliding bar 72, wherein the four moving blocks 71 are respectively connected with four ends of the cross frame 23 in a sliding way through second sliding holes, one side of the four inclined plates 73, which is close to the center of the carrying top plate 21, is provided with an inclined surface, one end of the first spring 74 is in extrusion contact with the bottom of the inclined plate 73, and the other end of the first spring 74 is in extrusion contact with the top surface of the moving block 71; the pushing assembly 26 comprises a pushing column 261 rotatably installed on the inner wall of the avoiding groove 25 near the center of the carrying roof 21 through a bearing, and the pushing column 261 is matched with the inclined surface of the inclined plate 73;
when the centering and positioning block 7 is opened and moved in a direction away from each other, the moving block 71 horizontally slides to drive the inclined plate 73 to gradually move to a side away from the pushing post 261, and the inclined plate 73 gradually loses the obstruction of the pushing post 261, the inclined plate 73 is gradually pushed upwards under the action of the elastic force of the first spring 74 to move so that the sliding bar 72 slides upwards, until the sliding bar 72 slides to the maximum limit position where the sliding bar 72 can move upwards on the moving block 71, after that, the moving block 71 horizontally moves and the sliding bar 72 and the inclined plate 73 do not move upwards any more, the stability of the inclined plate 73 is ensured under the action of the upward elastic force of the first spring 74, and when the inclined plate 73 slides upwards to the highest position on the moving block 71, at this time, the whole centering and positioning block 7 is in the first state, namely the upper end of the inclined plate 73 is positioned to extend above the top surface of the carrying top plate 21, then the centering and positioning block 7 continues to move in the expanding direction, the vertical surface of the inclined plate 73 can push the inner wall of the standard joint to position, and it is emphasized that when the centering positioning block 7 is in the first state, the push column 261 faces the lower part of the inclined surface of the inclined plate 73, as shown in the first state diagram of fig. 12, this ensures that when the four centering positioning blocks 7 get close to each other again, the inclined surface of the inclined plate 73 can directly contact with the push column 261, and then when the centering positioning block 7 continues to approach, the inclined surface of the inclined plate 73 can be pushed by the obstruction of the push column 261 to push the inclined plate 73 to slide downwards to compress the first spring 74, so that the whole centering positioning block 7 is switched to the second state, and it is emphasized that when the four centering positioning blocks 7 reach the closest position and do not continue to move close again, the centering positioning block 7 is in the second state, the push column 261 abuts against the upper part of the inclined surface of the inclined plate 73, a state as shown in fig. 11;
through the design of the upper part of the centering positioning block 7 in a lifting manner, the effect that the lifting device can be successfully loaded onto the top surface of the carrying assembly 5 without a standard joint and a holding pole lifting relatively high distance can be realized, and the lifting of the inclined plate 73 is mechanically linked with the movement of the centering positioning block 7, so that the accuracy of lifting time is ensured, and the whole device is enabled to operate more stably;
the carrying roof 21 further comprises four groups of spherical holes 211 which are formed in an equal angle at intervals, the upper ends and the lower ends of the spherical holes 211 are respectively arranged in an open mode, the spherical holes 211 are arranged in an equal interval mode, the ball assemblies 212 are arranged on the inner sides of the spherical holes 211, the upper ends and the lower ends of the ball assemblies 212 are respectively arranged in a protruding mode on the top surface and the bottom surface of the carrying roof 21, the holding rod or the standard knot is arranged on the carrying roof 21 through the arrangement of the ball assemblies 212, the holding rod and the standard knot can be supported through the plurality of ball assemblies 212, so that when the inner supporting standard knot and the holding rod are expanded by the four subsequent centering positioning blocks 7, the positions of the holding rod and the standard knot can be moved, sliding friction of direct contact between the traditional standard knot and the carrying plate is driven by rolling friction, friction force is reduced, the holding rod and the standard knot can be moved on the carrying roof 21 more smoothly, resistance to the centering of the positioning blocks 7 is reduced, damage to the opening and closing assembly 8 is reduced, and service life of the opening and closing assembly is prolonged.
The opening and closing assembly 8 comprises a driving disc 81, the middle part of the top surface of a bottom plate 24 is rotationally connected with the driving disc 81 through a shaft pin, four arc-shaped grooves 82 are formed in the driving disc 81 at equal angles at intervals, a gear ring 83 is fixed on the periphery of the driving disc 81, a rack 84 is slidably installed on one side, close to the lower support frame 2, of the top of the base 1 through a linear slide rail 9, the linear slide rail 9 is avoided in the moving process of the bottom plate 24, no obstruction is formed, the rack 84 and the gear ring 83 are located in the same plane, an adjusting assembly 85 for adjusting the position of the rack 84 is further installed on the top of the base 1, the gear ring 83 can be meshed with the rack 84 in the moving process of the carrying assembly 5 to the lower support frame 2, inserting rods 86 are fixed at the bottoms of the moving blocks 71, the lower ends of the four inserting rods 86 are respectively inserted into the inner sides of the four arc-shaped grooves 82, a second spring 87 is fixed between two moving blocks 71, and the two moving blocks 71 fixed with the second spring 87 are located at mutually opposite positions;
after the opening and closing assembly 8 works on the holding rod or the standard joint and is loaded on the carrying top plate 21, the translation assembly 6 drives the carrying assembly 5 to move towards the inner side of the lower supporting frame 2, in the moving process of the carrying assembly 5, the gear ring 83 is meshed with the rack 84, then the carrying assembly 5 continues to move, the gear ring 83 is stirred to rotate so as to drive the driving disc 81 to rotate, the four inserting rods 86 are enabled to move away from each other in the expanding direction through the arc-shaped groove 82, thereby driving the centering positioning blocks 7 to move for centering until the carrying assembly 5 reaches the middle position of the lower supporting frame 2, the centering positioning blocks 7 are abutted against the inner wall of the standard joint to complete centering positioning work, and in the resetting process of the carrying assembly 5, the gear ring 83 is stirred in the opposite direction to the rotating direction, so that the driving disc 81 rotates to drive the four centering positioning blocks 7 to slide towards each other until the gear ring 83 is separated from the rack 84, and the two opposite moving blocks 71 are enabled to keep a trend of approaching each other all the time under the pulling force of the second spring 87, so that the four centering positioning blocks 7 can be kept at the most center of the driving disc 81;
the adjusting component 85 comprises a second screw rod 851 and a second threaded sleeve 852, the second screw rod 851 is rotatably connected to the top surface of one side of the base 1, which is close to the rack 84, through a bearing, the second threaded sleeve 852 is fixed to the outer wall of the rack 84, the second threaded sleeve 852 is in threaded connection with the second screw rod 851, one knob 853 is also fixed to the end of the second screw rod 851, due to the fact that different standard sections and holding poles have different specifications, when the standard sections and holding poles of different batches are erected, the adjusting component 85 can be operated, and therefore the effect of adjusting the angle of rotation of the gear ring 83 is achieved when the carrying component 5 reaches the most middle position of the lower support frame 2, the effect of adjusting the maximum distance of expansion of the four centering positioning blocks 7 is achieved intermittently, the maximum expansion distance of the four centering positioning blocks 7 can be matched with the size of the inner wall of the standard sections, the position of the rack 84 is the position farthest from the knob 853, namely the maximum distance of the four centering positioning blocks which can be expanded in the position, when the maximum distance of the centering positioning blocks 853 needs to be adjusted, the knob 853 is rotated, the gear ring 83 needs to be driven to be moved to move the second gear ring 83 to the position, namely, the rack 84 needs to be in a certain time to be meshed with the knob 8584, and the gear ring 84 needs to be directly moved to be moved to one side of the second gear ring 83, which needs to be close to the second gear 83, and the gear 83 needs to be meshed with the knob 84, and the knob 84 is directly after the second gear 83 is moved to the position is required to be moved to the position of the gear 84.
The opening and closing assembly 8 further comprises a synchronous limiting assembly 88 which is arranged on the driving disc 81 and used for limiting the ball assembly 212, the synchronous limiting assembly 88 comprises a driving inclined block 881 and a rubber pad 886, four driving inclined blocks 881 are fixed at equal angle intervals on the top of the driving disc 81, any one inclined block of the four driving inclined blocks 881 can be overlapped with one driving inclined block 881 adjacent to the same by rotating 90 degrees around the axis of the driving disc 81 as the center, four supporting bars 882 are fixed at equal angle intervals on the top of the bottom plate 24, any one supporting bar 882 of the four supporting bars 882 can be overlapped with one supporting bar 882 adjacent to the driving disc 81 by 90 degrees around the axis of the driving disc 81, two supporting bars 882 close to one side of the rack 84 are mutually staggered with the rack 84 in the process of moving towards one side of the rack 84 of the carrying assembly 5, a vertical sleeve 883 is not formed, the bottoms of the vertical rods 884 are arranged in a hemispherical shape, the bottoms of the vertical rods 884 are matched with the driving inclined blocks 881, the tops of the vertical rods 884 are matched with the vertical rods 885, and the tops of the pressing plates 885 are matched with the rolling ball assemblies 886, and the pressing plates 212 are matched with the tops of the rolling ball assemblies;
if the synchronous limiting assembly 88 is not arranged, namely, the ball assembly 212 is always in a movable state, and after the carrying assembly 5 is positioned at the outer side of the lower supporting frame 2 and is loaded with the holding rod or the standard joint, when the carrying assembly 5 is driven to be suddenly switched from a static state to a moving state, the translation assembly 6 can smoothly slide between the holding rod or the standard joint and the carrying top plate 21, the holding rod or the standard joint can easily misplace with the carrying top plate 21 under the inertia action, so that the burden of subsequent centering positioning work is increased, the synchronous limiting assembly 88 is arranged, after the gear ring 83 is separated from the rack 84, the synchronous limiting assembly 88 is in a state of abutting against the outer wall of the ball assembly 212, so that the rolling of the ball assembly 212 is blocked, the probability of misplacement of the standard joint or the holding rod is reduced when the carrying assembly 5 moves is reduced, the limiting work of the synchronous limiting assembly 88 can be relieved when the gear ring 83 is meshed with the rack 84 and the rack 84 is shifted by the rotation angle, and then the ball assembly 212 can act in the centering positioning work;
in the specific process, after a gear ring 83 is meshed with a rack 84 in the moving process of a carrying assembly 5, the gear ring 83 is stirred to drive a driving disc 81 to rotate, the driving disc 81 drives a driving inclined block 881 to move in the initial rotation stage, the bottom of the driving inclined block 881 and the bottom of a vertical rod 884 are gradually staggered, the vertical rod 884, a squeeze plate 885 and a rubber pad 886 gradually move downwards under the action of gravity, the top of the rubber pad 886 is separated from the outer wall of a ball assembly 212, the lower end of the vertical rod 884 is finally contacted with the top surface of the driving disc 81, in the process, the upper part of a centering positioning block 7 extends above the top surface of a carrying top plate 21 until the limit of the ball assembly 212 is completely released, the centering positioning block 7 is simultaneously switched to a first state, then the centering positioning block 7 continues to expand and move to perform centering positioning work, and the ball assembly 212 can simultaneously act during centering positioning; when the centering and positioning blocks 7 are mutually close, the driving disc 81 reversely rotates to drive the driving inclined block 881 to move, the inclined surface of the driving inclined block 881 is firstly inserted into the bottom of the vertical rod 884 in the moving process, then the driving inclined block 881 continues to move, the inclined surface of the driving inclined block pushes the vertical rod 884 upwards, so that the rubber pad 886 is abutted against the outer wall of the ball assembly 212 to limit the ball assembly 212, after the gear ring 83 is separated from the rack 84, the driving disc 81 does not rotate any more, at the moment, the bottom of the vertical rod 884 is abutted against the horizontal surface of the top surface of the driving inclined block 881, the top surface of the driving inclined block 881 supports the vertical rod 884 to ensure the stability of the vertical rod 884, and the follow-up gear ring 83 and the rack 84 are separated, so that the limit of the ball assembly 212 can be kept in time;
example two
Referring to fig. 18, the ball assembly 212 is composed of a ball housing 2121 nested and fixed inside the spherical hole 211, a support ball 2122 nested inside the ball housing 2121, and a plurality of sub balls 2123 disposed inside the ball housing 2121 and located between the support ball 2122 and the inner wall of the ball housing 2121.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
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| CN117819155B (en) * | 2024-03-05 | 2024-06-04 | 衡水鑫日升智能输送系统有限公司 | Material anti-leakage device of belt conveyor of large-inclination inclined shaft |
| CN117945258B (en) * | 2024-03-27 | 2024-07-02 | 河南巨人起重机集团有限公司 | Special lifting appliance for power exchange station |
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| CN117303225A (en) | 2023-12-29 |
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Denomination of invention: A lifting device for a landing jib boom used in power construction Granted publication date: 20240308 Pledgee: Jiangsu Yangzhou Rural Commercial Bank Co.,Ltd. Hanjiang Branch Pledgor: YANGZHOU GUODIAN TONGYONG MANUFACTURING Co.,Ltd. Registration number: Y2025980053425 |