CN220618024U - Lifting mechanism of tower barrel lifter - Google Patents

Abstract

The utility model discloses a lifting mechanism of a tower drum lifter, which relates to the field of tower drum lifters and comprises a cross beam, an initial platform, a safety lock, a lifter, a safety rope and a working rope, wherein the upper ends of the safety rope and the working rope are fixedly connected with a lantern ring, the cross beam is provided with an upper connecting piece connected with the lantern ring, the lower ends of the safety rope and the lower end of the working rope are respectively arranged through the initial platform, the lower ends of the safety rope and the working rope are respectively connected with a counterweight, the counterweight is in contact with the lower end face of the initial platform, the cross beam is further provided with a secondary protection rope, and one end of the secondary protection rope is connected with a fixing piece. The tower section of thick bamboo lift's security is improved to this application effect.

Description

Lifting mechanism of tower barrel lifter

Technical Field

The utility model relates to the field of tower barrel elevators, in particular to a lifting mechanism of a tower barrel elevator.

Background

Wind power generation is used as one of novel energy sources, has been gradually promoted in partial areas, wind power generation needs to erect a wind power tower, and the wind power tower mainly plays a supporting role in a wind generating set, and because the height of the tower is generally about 80 meters, the height of the tower can reach 100 meters, the wind power at the height is large, the environmental condition is severe, and therefore the wind power tower is often required to be maintained.

When the wind power tower is maintained, the elevator erected in the tower is used for conveying materials and delivering personnel, and the elevator generally uses an elevator, so that the lift car climbs or descends along a working steel wire rope, and the conveying of personnel and materials in the lift car is completed. The lift needs to be lifted along the tower by nearly 100 meters in the use process, if the lift inclines or falls in the use process, the safety of users can not be guaranteed, and the consequence is serious.

Disclosure of Invention

In order to improve the security of a tower crane, the present application provides a lifting mechanism of a tower crane.

The application provides a lifting mechanism of tower section of thick bamboo lift adopts following technical scheme:

the utility model provides a lifting mechanism of tower section of thick bamboo lift, includes crossbeam, initial platform, safety lock and lifting machine, still includes safety rope and work rope, the equal fixedly connected with lantern ring of upper end of safety rope and work rope, the crossbeam be equipped with the last connecting piece of lantern ring connection, the initial platform setting is all worn to establish to tip under safety rope and the work rope lower extreme portion, the lower extreme portion of safety rope and work rope all is connected with the counter weight piece, the counter weight piece is inconsistent with initial platform's lower terminal surface, the crossbeam still is equipped with secondary protection rope, the one end of secondary protection rope is connected with the mounting.

Through adopting above-mentioned technical scheme, after safety rope and work rope pass through the connecting piece and be connected with the crossbeam, make the safety rope pass the safety lock of being connected with the car, the work rope passes behind the lifting machine of being connected with the car, end connection counter weight spare under safety rope and work rope, make safety rope and work rope keep stretching state, make the two be difficult for rocking, stability when improving the car and go up and down, safety lock and lifting machine have the anti-falling function simultaneously, the one end of secondary protection rope is passed behind the lantern ring of safety rope's lantern ring and the lantern ring of work rope in proper order and is connected with the mounting, when last connecting piece takes place to drop, the secondary protection rope is connected crossbeam and two lantern rings under the effect of mounting, the security of car when using has further been guaranteed.

Optionally, the mounting includes two fixed rings with secondary protection rope both ends fixed connection, the bottom plate, apron one and apron two symmetry set up and all rotate with the bottom plate and be connected, apron one and apron two all are connected with locking bolt, bottom plate fixedly connected with two stopper one with fixed ring internal diameter looks adaptation, apron one and apron two all fixedly connected with stopper one corresponding stopper two, locking bolt wears to establish corresponding stopper one and stopper two and with bottom plate threaded connection, apron one and apron two have all seted up and have put the line hole.

Through adopting above-mentioned technical scheme, unscrewing locking bolt, rotating apron one and apron two, can locate two stopper one outsides with the solid fixed ring at secondary protection rope both ends respectively, rotate apron one and apron two for stopper two is inconsistent the back with corresponding stopper one, screws locking bolt, and it is fixed with apron one and apron two and bottom plate, can accomplish the connection of two fixed rings and bottom plate, and the installation of secondary protection rope is comparatively convenient and firm, has guaranteed the protection effect of secondary protection rope.

Optionally, the line hole both ends all are equipped with the cambered surface, and the cambered surface is crooked to the direction that deviates from line hole center, and cambered surface fixedly connected with protective sheath.

Through adopting above-mentioned technical scheme, cambered surface and protective sheath protect the secondary protection rope that passes the hole of putting the line, reduce apron one and apron two and to the wearing and tearing of secondary protection rope, be favorable to improving the life of secondary protection rope.

Optionally, the upper connecting piece includes bow-shaped shackle, fixing bolt and nut, and the through-hole with fixing bolt looks adaptation has all been seted up at crossbeam and bow-shaped shackle's both ends, and the lantern ring setting is worn to establish to bow-shaped shackle.

Through adopting above-mentioned technical scheme, bow shackle passes the lantern ring, and fixing bolt passes through the through-hole at bow shackle both ends and with nut threaded connection behind the through-hole of crossbeam, is connected bow shackle with the crossbeam for the crossbeam provides the support for the lantern ring through bow shackle, and then provides the support for safety rope and work rope.

Optionally, the upper connecting piece further comprises a cotter pin, the tail part of the fixing bolt is provided with a mounting hole matched with the cotter pin, and the mounting hole is radially arranged along the fixing bolt.

Through adopting above-mentioned technical scheme, after the cotter passed the mounting hole, buckle the both ends of cotter, unable through the mounting hole after buckling of the both ends of cotter, be fixed in the mounting hole with the cotter, the cotter carries out spacingly to the nut, further improves the stability of going up the connecting piece, and then improves elevating system's security.

Optionally, the counter weight piece includes balancing weight, spring, two rope clamp one and rope clamp two, and the round hole with safety rope or work rope looks adaptation has all been seted up to the balancing weight, and two rope clamp one are connected and are located the balancing weight below with safety rope or work rope, and the spring housing is located safety rope or work rope outside and is located the balancing weight top, and rope clamp two is connected and is located the spring below with safety rope or work rope, and the upper end of spring is inconsistent with the lower terminal surface of initial platform.

Through adopting above-mentioned technical scheme, the balancing weight sets up in the lower extreme portion of safety rope and work rope, and the balancing weight applys decurrent pulling force to safety rope and work rope, is favorable to guaranteeing the taut and stable of safety rope and work rope, and when the weight of car is different, work rope and safety rope can take place tensile extension, and the balancing weight can be assisted to the elasticity of spring, keeps the weight piece to the taut and stable effect of safety rope and work rope.

Optionally, the outside cover of safety rope is equipped with three packing rings, and the packing rings set up respectively in spring upper end, spring lower extreme and balancing weight lower extreme, and the upper and lower both ends of spring and the lower extreme of balancing weight all are inconsistent with corresponding packing ring.

Through adopting above-mentioned technical scheme, the wearing and tearing of spring and balancing weight can be reduced to the packing ring, are favorable to guaranteeing connection compactness and the stability of upper and lower structure on the packing ring simultaneously.

Optionally, the initial platform up end rotates and is connected with four leading wheels, and the leading wheel all has seted up the slot along circumference.

Through adopting above-mentioned technical scheme, the leading wheel sets up in pairs, and safety rope and work rope are located respectively between two leading wheels of same group, and safety rope and work rope are located the slot, are favorable to guaranteeing the vertical setting of safety rope and work rope.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the safety rope and the working rope are connected with the cross beam through the upper connecting piece, the safety rope passes through the safety lock connected with the car, the working rope passes through the lifting machine connected with the car, and the counterweight piece is connected with the lower end parts of the safety rope and the working rope, so that the safety rope and the working rope are kept in a tight and straightened state, are not easy to shake, the stability of the car in lifting is improved, meanwhile, the safety lock and the lifting machine have an anti-falling function, one end of the secondary protection rope sequentially passes through the lantern rings of the safety rope and the lantern rings of the working rope and then is connected with the fixing piece, and when the upper connecting piece falls off, the secondary protection rope connects the cross beam and the two lantern rings under the action of the fixing piece, so that the safety of the car in use is further ensured;

2. the locking bolt is screwed down, the cover plate I and the cover plate II are rotated, the fixing rings at the two ends of the secondary protection rope are respectively sleeved outside the two first limiting blocks, and the cover plate I and the cover plate II are rotated, so that after the first limiting blocks are abutted against the corresponding first limiting blocks, the locking bolt is screwed down, the cover plate I and the cover plate II are fixed with the bottom plate, the connection of the two fixing rings and the bottom plate can be completed, the installation of the secondary protection rope is convenient and fast, and the protection effect of the secondary protection rope is ensured;

3. the bow shackle passes through the lantern ring, and the fixing bolt passes through the through holes at two ends of the bow shackle and the through holes of the cross beam and then is in threaded connection with the nut, so that the bow shackle is connected with the cross beam, the cross beam provides support for the lantern ring through the bow shackle, and further provides support for the safety rope and the working rope.

Drawings

Fig. 1 is a schematic view of the overall structure of a lifting mechanism of a tower crane.

Fig. 2 is a schematic structural view of the upper connector.

Fig. 3 is an enlarged schematic view of the portion a in fig. 2.

Fig. 4 is a schematic structural view of the weight.

Reference numerals illustrate: 1. a cross beam; 2. a starting platform; 3. a safety lock; 4. a hoist; 5. a safety rope; 51. an upper connecting piece; 511. arcuate shackle; 512. a fixing bolt; 513. a nut; 514. a collar; 515. a through hole; 516. a cotter pin; 6. a working rope; 7. a weight member; 71. balancing weight; 72. a spring; 73. a rope clamp I; 74. a second rope clip; 75. a gasket; 8. a secondary protection rope; 81. a fixing member; 811. a fixing ring; 812. a bottom plate; 813. a cover plate I; 814. a cover plate II; 815. a locking bolt; 816. a first limiting block; 817. a second limiting block; 818. a wire placing hole; 819. a protective sleeve; 9. and a guide wheel.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a lifting mechanism of a tower barrel lifter.

Examples

Referring to fig. 1 and 2, a lifting mechanism of a tower crane comprises a cross beam 1, an initial platform 2, a safety lock 3 and a lifting machine 4, wherein the safety lock 3 and the lifting machine 4 are fixedly connected with a car of the crane, the lifting mechanism further comprises a safety rope 5 and a working rope 6, the upper end part of the safety rope 5 is fixedly connected with a lantern ring 514, the cross beam 1 is provided with an upper connecting piece 51 connected with the lantern ring 514, the upper end part of the safety rope 5 is fixed with the cross beam 1 through the upper connecting piece 51, the cross beam 1 provides support for the safety rope 5, the safety rope 5 penetrates through the safety lock 3, and when the tower crane is used, the safety lock 3 is matched with the safety rope 5 when the working rope 6 breaks, and the falling and tilting of the crane can be prevented.

Referring to fig. 1 and 2, a collar 514 is fixedly connected to the upper end of the working rope 6, the upper end of the working rope 6 is fixed to the cross beam 1 through an upper connecting piece 51, the working rope 6 passes through the hoist 4, and the hoist 4 can drive the hoist to climb or descend along the working rope 6, so that the lifting process of the hoist is completed. The upper connecting piece 51 comprises an arc-shaped shackle 511, a fixing bolt 512 and a nut 513, wherein the arc-shaped shackle 511 penetrates through a lantern ring 514, one end of the arc-shaped shackle 511 penetrates through an annular hole of the lantern ring 514, through holes 515 matched with the fixing bolt 512 are formed in both ends of the cross beam 1 and the arc-shaped shackle 511, then the two through holes 515 of the arc-shaped shackle 511 are aligned with the through holes 515 of the cross beam 1, the fixing bolt 512 sequentially penetrates through the three through holes 515, the nut 513 is in threaded connection with the fixing bolt 512, and the fixation of the arc-shaped shackle 511 and the cross beam 1 is completed, so that the cross beam 1 provides support in the vertical direction for the lantern ring 514 through the arc-shaped shackle 511.

Referring to fig. 1 and 2, the upper connector 51 further includes a cotter pin 516, and a mounting hole adapted to the cotter pin 516 is formed at the tail of the fixing bolt 512, and is radially disposed along the fixing bolt 512, and is located at a side of the nut 513 away from the nut of the fixing bolt 512 after the nut 513 is connected to the fixing bolt 512. The cotter 516 is inserted into the mounting hole, so that two ends of the cotter 516 penetrate through the mounting hole, the two ends of the cotter 516 are bent in a direction away from the center of the mounting hole by using a tool, the cotter 516 is fixed in the mounting hole, and when the nut 513 and the fixing bolt 512 are loosened, the cotter 516 limits the nut 513, so that the nut 513 is not easy to separate from the fixing bolt 512.

Referring to fig. 1 and 2, the cross beam 1 is further provided with a secondary protection rope 8, and the safety rope 5, the working rope 6 and the secondary protection rope 8 are all steel wire ropes, so that the bearing capacity of the safety rope 5, the working rope 6 and the protection rope is ensured. One end of secondary protection rope 8 is connected with mounting 81, and the lantern ring 514 of safety rope 5, lantern ring 514 and the crossbeam 1 of work rope 6 are passed in proper order to the one end of secondary protection rope 8 to be connected through mounting 81 with the other end of secondary protection rope 8, make the lantern ring 514 of safety rope 5, lantern ring 514 of work rope 6 and crossbeam 1 all be connected with secondary protection rope 8, take place the fracture and drop for connecting piece 51 as above, and secondary protection rope 8 can be connected crossbeam 1 and two lantern rings 514, guarantees the bearing capacity of crossbeam 1 to safety rope 5 and work rope 6, has further improved the safety in utilization of lift.

Referring to fig. 2 and 3, the fixing member 81 includes two fixing rings 811 fixedly connected to two ends of the secondary protection rope 8, a bottom plate 812, a first cover plate 813 and a second cover plate 814, both the first cover plate 813 and the second cover plate 814 are connected with locking bolts 815, when the fixing member 81 is used, the locking bolts 815 are screwed down, the first cover plate 813 and the second cover plate 814 are symmetrically arranged and are rotationally connected with the bottom plate 812, and the first cover plate 813 and the second cover plate 814 can be rotated and opened. The bottom plate 812 is fixedly connected with two limiting blocks 816 which are matched with the inner diameter of the fixed ring 811, after the cover plate 813 and the cover plate 814 are opened, the two fixed rings 811 are sleeved on the outer sides of the corresponding limiting blocks 816, the cover plate 813 and the cover plate 814 are fixedly connected with a limiting block 817 which corresponds to the limiting block 816, the cover plate 813 and the cover plate 814 are rotated again, and the upper end face of the limiting block 816 is attached to the lower end face of the corresponding limiting block 817.

Referring to fig. 2 and 3, a first limit block 816 and a second limit block 817 are correspondingly threaded through the locking bolt 815 and are in threaded connection with the bottom plate 812, the locking bolt 815 is screwed down, so that the locking bolt 815 fixes the first cover plate 813 and the second cover plate 814 with the bottom plate 812, the first cover plate 813 and the second cover plate 814 are provided with wire placing holes 818, the secondary protection rope 8 penetrates out of the two wire placing holes 818, and the secondary protection rope 8 and the fixing piece 81 form a complete ring.

Referring to fig. 2 and 3, the two ends of the wire placing hole 818 are both provided with cambered surfaces, the cambered surfaces are bent towards the direction deviating from the center of the wire placing hole 818, the cambered surfaces can reduce the abrasion of the contact part of the secondary protection rope 8 and the fixing piece 81, the cambered surfaces are fixedly connected with the protection sleeves 819, the protection sleeves 819 further protect the secondary protection rope 8, reduce the abrasion of the secondary protection rope 8, prolong the service life of the secondary protection rope 8, and simultaneously ensure the protection effect of the secondary protection rope 8.

Referring to fig. 1 and 4, the upper end surface of the starting platform 2 is rotatably connected with four guide wheels 9, the guide wheels 9 are provided with grooves along the circumferential direction, the four guide wheels 9 are in a group, the safety rope 5 and the working rope 6 pass through the two guide wheels 9 in the same group, and the safety rope 5 and the working rope 6 are positioned in the grooves, so that the safety rope 5 and the working rope 6 are vertically arranged. The initial platform 2 setting is all worn to establish to tip under the safety rope 5 and the tip under the work rope 6, and the lower tip of safety rope 5 and work rope 6 all is connected with counter weight piece 7, and counter weight piece 7 is inconsistent with the lower terminal surface of initial platform 2, and counter weight piece 7 applys decurrent pulling force to safety rope 5 and work rope 6 for safety rope 5 and work rope 6 can keep vertical and be in taut state, guarantee the normal work of safety lock 3 and lifting machine 4.

Referring to fig. 1 and 4, the weight 7 includes a weight 71, a spring 72, two first rope clamps 73 and two second rope clamps 74, the weight 71 is provided with round holes adapted to the safety rope 5 or the working rope 6, and the safety rope 5 or the working rope 6 passes through the corresponding round holes, so that the weight 71 is sleeved at the lower end of the safety rope 5 or the working rope 6. The two rope clamps 73 are connected with the safety rope 5 or the working rope 6 and are located below the balancing weight 71, and after the two rope clamps 73 are connected with the safety rope 5 or the working rope 6, the balancing weight 71 is limited by the two rope clamps 73, so that the balancing weight 71 is not easy to separate from the safety rope 5 or the working rope 6.

Referring to fig. 1 and 4, the spring 72 is sleeved on the outer side of the safety rope 5 or the working rope 6 and is located above the balancing weight 71, the second rope clamp 74 is connected with the safety rope 5 or the working rope 6 and is located below the spring 72, the diameter of the spring 72 is smaller than that of the round hole, the upper end of the spring 72 is abutted against the lower end face of the starting platform 2, the spring 72 is located between the second rope clamp 74 and the starting platform 2, when the weight of the elevator car is different, the working rope 6 and the safety rope 5 can stretch and extend, one end of the spring 72 is abutted against the starting platform 2, the elastic force of the spring 72 can assist the balancing weight 71 to tighten downwards, and the tensioning and stabilizing effects of the balancing weight 7 on the safety rope 5 and the working rope 6 are maintained.

Referring to fig. 1 and 4, three washers 75 are sleeved outside the safety rope 5, the washers 75 are respectively arranged at the upper end part of the spring 72, the lower end part of the spring 72 and the lower end part of the balancing weight 71, the washers 75 can reduce abrasion of the spring 72 and the balancing weight 71, the upper end and the lower end of the spring 72 and the lower end of the balancing weight 71 are in contact with the corresponding washers 75, and the arrangement of the washers 75 is favorable for ensuring connection tightness and stability of the upper structure and the lower structure of the washers 75, so that connection between the structures of the balancing weight 7 is more stable and tight.

The implementation principle of the lifting mechanism of the tower barrel lifter is as follows: the secondary safety rope 5 passes through the lantern rings 514 of the safety rope 5 and the lantern rings 514 of the working rope 6 in sequence, and the secondary safety rope 5 is arranged around the cross beam 1, when the upper connecting piece 51 breaks or falls off, the secondary safety rope 5 connects the two lantern rings 514 with the cross beam 1, normal use of the safety rope 5 and the working rope 6 is guaranteed, and meanwhile the fixing piece 81 is convenient for the two ends of the secondary safety rope 5 to be fixedly connected.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a lifting mechanism of tower section of thick bamboo lift, includes crossbeam (1), initial platform (2), safety lock (3) and lifting machine (4), its characterized in that: still include safety rope (5) and work rope (6), the equal fixedly connected with lantern ring (514) of upper end of safety rope (5) and work rope (6), crossbeam (1) are equipped with last connecting piece (51) of being connected with lantern ring (514), and initial platform (2) setting is all worn to establish to the tip under safety rope (5) and the lower tip of work rope (6), and the lower tip of safety rope (5) and work rope (6) all is connected with counterweight (7), and counterweight (7) are inconsistent with the lower terminal surface of initial platform (2), and crossbeam (1) still are equipped with secondary protection rope (8), and the one end of secondary protection rope (8) is connected with mounting (81).

2. A lifting mechanism for a tower lift according to claim 1, wherein: the fixing piece (81) comprises two fixing rings (811) fixedly connected with two ends of the secondary protection rope (8), a bottom plate (812), a first cover plate (813) and a second cover plate (814), the first cover plate (813) and the second cover plate (814) are symmetrically arranged and are rotationally connected with the bottom plate (812), the first cover plate (813) and the second cover plate (814) are respectively connected with a locking bolt (815), the first cover plate (812) is fixedly connected with two limiting blocks (816) which are matched with the inner diameter of the fixing rings (811), the second cover plate (813) and the second cover plate (814) are respectively fixedly connected with two limiting blocks (817) corresponding to the first limiting block (816), the locking bolts (815) penetrate through the corresponding first limiting block (816) and the second limiting block (817) and are in threaded connection with the bottom plate (812), and wire arrangement holes (818) are respectively formed in the first cover plate (813) and the second cover plate (814).

3. A lifting mechanism for a tower lift according to claim 2, wherein: the two ends of the wire placing hole (818) are respectively provided with an arc surface, the arc surfaces are bent towards the direction deviating from the center of the wire placing hole (818), and the arc surfaces are fixedly connected with a protective sleeve (819).

4. A lifting mechanism for a tower lift according to claim 1, wherein: the upper connecting piece (51) comprises an arc shackle (511), a fixing bolt (512) and a nut (513), through holes (515) matched with the fixing bolt (512) are formed in the two ends of the cross beam (1) and the arc shackle (511), and the arc shackle (511) is penetrated by a lantern ring (514).

5. A lifting mechanism for a tower lift according to claim 1, wherein: the upper connecting piece (51) further comprises a cotter pin (516), the tail part of the fixing bolt (512) is provided with a mounting hole matched with the cotter pin (516), and the mounting hole is radially arranged along the fixing bolt (512).

6. A lifting mechanism for a tower lift according to claim 1, wherein: the counterweight (7) comprises a counterweight (71), a spring (72), two rope clamps (73) and two rope clamps (74), round holes matched with the safety rope (5) or the working rope (6) are formed in the counterweight (71), the two rope clamps (73) are connected with the safety rope (5) or the working rope (6) and located below the counterweight (71), the spring (72) is sleeved on the outer side of the safety rope (5) or the working rope (6) and located above the counterweight (71), the two rope clamps (74) are connected with the safety rope (5) or the working rope (6) and located below the spring (72), and the upper end part of the spring (72) is in contact with the lower end face of the starting platform (2).

7. A lifting mechanism for a tower lift according to claim 1, wherein: the safety rope (5) outside cover is equipped with three packing ring (75), and packing ring (75) set up respectively in spring (72) upper end, spring (72) lower extreme and balancing weight (71) lower extreme, and both ends and balancing weight (71) lower extreme all contradict with corresponding packing ring (75) about spring (72).

8. A lifting mechanism for a tower lift according to claim 1, wherein: the upper end face of the starting platform (2) is rotationally connected with four guide wheels (9), and the guide wheels (9) are provided with grooves along the circumferential direction.