CN112193989A - Cross lifting appliance with two lifting points capable of horizontally rotating - Google Patents

Abstract

The cross-shaped lifting appliance comprises a lifting appliance body, wherein a lifting mechanism is arranged on the lifting appliance body, and a plurality of lifting ropes are arranged on one surface, far away from the lifting mechanism, of the lifting appliance body; the lifting mechanism comprises a balance rod and steel wire ropes movably arranged at two ends of the balance rod, and a rotating assembly is arranged between the balance rod and the lifting appliance body. The movable wire rope that sets up in the balancing pole both ends to and the setting of runner assembly, the hoist body is when the pivoted, and the balancing pole is difficult to drive the phenomenon that wire rope is difficult to produce the distortion, can self-adaptation rotate promptly, thereby can protect wire rope, when being hung the component pivoted, wire rope is difficult to produce the damage, and can remain vertical state on the hoist body all the time.

Description

Cross lifting appliance with two lifting points capable of horizontally rotating

Technical Field

The application relates to the technical field of hoisting lifting appliances, in particular to a cross lifting appliance with two lifting points capable of horizontally rotating.

Background

In the construction industry, member hoisting is divided into single-point hoisting, two-point hoisting and multi-point hoisting.

In the construction of large bridges, hoisting members are heavier and heavier, and gantry cranes are used with larger weights, and in the related art, two-point cranes are generally used. Generally, a steel wire rope is connected to a lifting appliance, a lifted component is fixed on the lifting appliance, and then the steel wire rope is pulled to lift the lifting appliance, so that the lifted component can be lifted.

The inventor thinks that when in hoisting, the hoisted component rotates to distort the steel wire rope, so that the steel wire rope at two hoisting points is easy to damage, and safety accidents can be caused.

Disclosure of Invention

In order to improve because the component that is hung takes place to rotate, cause the wire rope damage, the problem that leads to the emergence of accident, but this application provides a two hoisting point horizontal rotation's cross hoist.

The application provides a but two hoisting points horizontal rotation's cross hoist adopts following technical scheme:

a cross-shaped lifting appliance with two lifting points capable of horizontally rotating comprises a lifting appliance body, wherein a lifting mechanism is arranged on the lifting appliance body, and a plurality of lifting ropes are arranged on one surface, far away from the lifting mechanism, of the lifting appliance body;

the lifting mechanism comprises a balance rod and steel wire ropes movably arranged at two ends of the balance rod, and a rotating assembly is arranged between the balance rod and the lifting appliance body.

By adopting the technical scheme, the hung component is fixed on the lifting rope, and then the hanger body is lifted by the steel wire rope. During actual construction, two wire rope rise and the speed that descends are difficult to keep unanimous, lead to the height at balancing pole both ends to be inconsistent easily, and the difference in height at balancing pole both ends is in the change that does not stop, this moment, the movable wire rope that sets up in the balancing pole both ends, and rotating assembly's setting, the hoist body is in the pivoted time, the balancing pole is difficult to drive wire rope and is difficult to the phenomenon that produces the distortion, the hoist body can self-adaptation rotation promptly, thereby can protect wire rope, when being hung the component pivoted, wire rope is difficult to produce the damage, and can keep vertical state on the hoist body all the time.

Optionally, the rotating assembly comprises a connecting seat, a rotary table and a central shaft, the connecting seat is rotatably arranged on the balance rod, the rotary table is rotatably arranged on the connecting seat, the central shaft is rotatably arranged in the rotary table in a penetrating manner, and one end, far away from the connecting seat, of the central shaft is connected with the lifting appliance body.

Through adopting above-mentioned technical scheme, when the hoist body takes place to rotate, can drive the center pin and rotate, because center pin and carousel rotate to be connected, the center pin is in the pivoted, and the carousel is difficult to rotate along with the center pin together to can make wire rope be difficult to produce the phenomenon of distortion. When the hoist body takes place to rotate, perhaps when the hoist body takes place to swing, because connecting seat and balancing pole rotate to be connected, connecting seat and carousel rotate to be connected, and the carousel rotates with the center pin to be connected, and balancing pole, connecting seat, center pin and carousel can self-adaptation rotate, not only can protect wire rope, can make the hoist body be in vertical state all the time moreover, can make the center pin exert more even on the hoist.

Optionally, two ends of the balancing rod are hinged with first connecting rods, and one ends of the first connecting rods, which are far away from the balancing rod, are rotatably connected with the steel wire rope;

a mounting seat is fixed at one end of the central shaft, which is far away from the connecting seat, and the mounting seat is hinged with one surface of the lifting appliance body, which is far away from the lifting rope;

the lifting appliance body is in a cross shape, the lifting rope is located at the end of the cross-shaped lifting appliance body, and the mounting seat is hinged to the middle of the lifting appliance body.

Through adopting above-mentioned technical scheme, when the hoist body takes place to rock, can produce self-adaptation adjustment between head rod and the balancing pole to also can self-adaptation adjustment between carousel and the connecting seat body, thereby can make wire rope be difficult to produce the distortion. Set up the hoist body into the cross, can increase the fixed point of being hung the component on the one hand, be convenient for lift by crane the component, on the other hand can make the hoist body atress more even on each angle. The mount pad is articulated with the intermediate position of hoist body, if be connected with this end of body's of hoist four points, when lifting by crane, produces the extrusion to the hoist easily to cause the damage of hoist body easily.

Optionally, the lifting appliance body comprises a base body and a cover body, the base body and the cover body are fixed through a fixing part, a plurality of sliding grooves are formed in a crossed manner on one surface of the base body, which is far away from the cover body, a lifting fixing block is arranged on one surface of the base body, which is far away from the cover body, the lifting fixing block is arranged in a sliding manner along the length direction of the sliding grooves, and the lifting rope is fixed on the lifting fixing block;

a first rotating shaft is rotatably arranged at the intersection position of the sliding grooves, a pull rope is connected between the lifting fixed blocks and the first rotating shaft, and a spring is fixedly arranged between one surface of the lifting fixed block, which is far away from the pull rope, and the wall surface of the sliding groove, which is far away from the first rotating shaft;

and a locking assembly for controlling the first rotating shaft to rotate is arranged between the base body and the cover body.

By adopting the technical scheme, the sizes and the shapes of the hung components are difficult to unify, and the hoisting fixing block is arranged on the seat body in a sliding manner, so that the hanging seat can adapt to different specifications of the hung components. When the fixed block is lifted in a moving mode, the first rotating shaft is rotated, the pulling rope can be wound on the first rotating shaft when the first rotating shaft rotates, the fixed block can be lifted towards the direction of the first rotating shaft through the pulling rope, then the position of the first rotating shaft is locked through the locking assembly, and the fixed block can be lifted and fixed at a required position. When the lifting fixing block needs to be reset, the locking assembly and the first rotating shaft are disconnected, and the lifting fixing block can be reset through the resilience force of the spring.

Optionally, a receiving groove is formed in one surface of the base body facing the cover body, the locking assembly is located in the receiving groove, a groove bottom is formed in one surface of the receiving groove facing the base body, and the locking assembly includes a first gear, a cam, a first rotation stopping block and a second rotation stopping block;

the first rotating shaft extends into the accommodating groove, and the first gear is fixedly sleeved on the first rotating shaft;

a second rotating shaft is rotatably arranged at the bottom of the accommodating groove, the axis of the second rotating shaft is parallel to the axis of the first rotating shaft, and the cam is fixedly sleeved on the second rotating shaft;

the first rotation stopping block and the second rotation stopping block are rotatably arranged at the bottom of the accommodating groove, the first rotation stopping block is positioned on one side of the cam, the second rotation stopping block is positioned on the other side of the cam, and the opposite surfaces of the first rotation stopping block and the second rotation stopping block are abutted to the convex block;

a first torsion spring is arranged between the first rotation stopping block and the side wall of the accommodating groove, and a second torsion spring is arranged between the second rotation stopping block and the side wall of the accommodating groove.

Through adopting above-mentioned technical scheme, rotate first gear, can drive first axis of rotation and rotate, can will lift by crane the fixed block through the stay cord and remove towards the direction of first axis of rotation, when reacing the position of needs, rotate the second axis of rotation, when the second axis of rotation pivoted, can drive first stopper or the second stopper that splines and rotate. When the second axis of rotation rotated towards the direction of first commentaries on classics piece, the cam will rotate along with the second axis of rotation together, because the effect of first torsional spring, first commentaries on classics piece will move towards the direction of second commentaries on classics piece, can block the tip card of first commentaries on classics piece between two adjacent teeth of first gear, the position of second commentaries on classics piece will keep not, can restrict the rotation of first gear to can lock first axis of rotation, can fix the position of lifting by crane the fixed block. The reverse is also possible. When the first rotating shaft resets, the second rotating shaft is rotated in the opposite direction, the cam can reset, the first rotation stopping block or the second rotation stopping block can be disconnected with the first gear, and therefore the first gear can be rotated, and the lifting fixing block resets.

Optionally, it is provided with the latch segment to slide on the tank bottom of holding tank, a plurality of spacing grooves that are parallel to each other are seted up to the tank bottom of holding tank, the latch segment is towards the fixed a plurality of stoppers that are provided with in one side of spacing groove, and a plurality of stoppers and a plurality of spacing groove one-to-one set up, the stopper slides and inserts and locate the spacing inslot, a plurality of locking teeth have been seted up towards the one side of first gear to the latch segment, locking tooth and the mutual joint of first gear, be provided with the connecting piece between latch segment and the second axis of rotation.

Through adopting above-mentioned technical scheme, when the second axis of rotation rotated, can remove towards the direction of first gear through connecting piece pulling latch segment, the stopper removes towards the direction of first gear along the length direction of spacing groove promptly, can be with mutual joint between locking tooth and the first gear to can restrict first gear rotation through the locking tooth, can be to the locking of first axis of rotation, thereby can fix the position of lifting by crane the fixed block.

Optionally, the connecting piece includes fixed plate, second connecting rod, connecting plate and is fixed in the dead lever at latch segment both ends, the fixed plate is fixed in on the lateral wall of second axis of rotation, the tip and the fixed plate of second connecting rod are articulated, the hole that slides has been seted up on the connecting plate, the one end that the fixed plate was kept away from to the second connecting rod is rotated and is provided with the turning block, the turning block is followed the length direction's of hole that slides lateral wall roll sets up, the dead lever is fixed in connecting plate length direction's both ends, the one end and the latch segment fixed connection of connecting plate are kept away from to the dead lever, connecting plate and.

Through adopting above-mentioned technical scheme, when the second axis of rotation pivoted, can drive the fixed plate and rotate, when the fixed plate pivoted, can stimulate the second connecting rod, second connecting rod pulling dead lever to can with locking tooth and the mutual joint of first gear. The setting in hole that slides when the second axis of rotation pivoted, can drive the motion of second connecting rod, the turning block will remove at the downthehole portion that slides to be convenient for exert the pulling latch segment, make the stopper can be at the smooth motion of spacing inslot.

Optionally, the first gear is engaged with a second gear, the second gear is rotatably arranged on the bottom surface of the limiting groove, a gear shaft of the second gear penetrates through the cover body, and a knob is fixedly arranged at one end of the second gear, which extends out of the cover body.

Through adopting above-mentioned technical scheme, rotate the knob, can drive the second gear and rotate, when the second gear rotates, can drive first gear revolve, can drive first axis of rotation and rotate.

Optionally, an adjusting indicator plate is fixedly sleeved on the second rotating shaft, and the first torsion spring, the first rotation stopping block, the cam, the second rotation stopping block and the second torsion spring are symmetrically arranged along the central plane of the cam.

Through adopting above-mentioned technical scheme, adjust the setting of indicator board, can be convenient for reset the cam, after the cam resets, can end the piece with first only changeing and the second all with the first gear between the disconnection.

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

1. through the arrangement of the rotating assembly, the balancing rod and the steel wire ropes movably arranged at the two ends of the balancing rod, when the hung component rotates, the balancing rod rotates in a self-adaptive manner, and the effect of protecting the steel wire ropes from being damaged easily can be achieved;

2. through the arrangement of the sliding groove, the lifting fixing block, the first rotating shaft and the locking assembly, the effect of adapting to different specifications of the lifted member can be achieved;

3. through the setting of first only commentaries on classics piece, second only commentaries on classics piece and latch segment, can play the effect of carrying out dual locking to first axis of rotation.

Drawings

Fig. 1 is a schematic view of the overall structure of a horizontally rotatable cross spreader in an embodiment of the present application;

FIG. 2 is a partially enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic bottom view of a horizontally rotatable cross spreader in an embodiment of the application;

fig. 4 is a schematic illustration of an exploded view of a horizontally rotatable cross spreader in an embodiment of the present application;

fig. 5 is a partially enlarged structural view of a portion B in fig. 4.

Description of reference numerals: 1. a hanger body; 11. a base body; 111. a sliding groove; 112. hoisting the fixed block; 113. a first rotating shaft; 114. pulling a rope; 115. a spring; 116. accommodating grooves; 12. a cover body; 2. a hoisting mechanism; 21. a balancing pole; 22. a wire rope; 23. a pulley block; 3. a lifting rope; 4. a rotating assembly; 41. a connecting seat; 42. a turntable; 43. a central shaft; 44. a first connecting rod; 45. a mounting seat; 46. mounting blocks; 5. a locking assembly; 51. a first gear; 52. a cam; 521. a second rotating shaft; 53. a first rotation stop block; 54. a second rotation stop block; 55. a first torsion spring; 56. a second torsion spring; 57. a locking block; 571. a limiting groove; 572. a limiting block; 573. a locking tooth; 574. a connecting member; 5741. a fixing plate; 5742. a second connecting rod; 5743. a connecting plate; 5744. fixing the rod; 5745. a sliding hole; 5746. rotating the block; 58. adjusting an indicator board; 6. a second gear; 61. a knob.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses two hoisting points can horizontal pivoted cross hoist. Referring to fig. 1, a cross-shaped lifting appliance with two lifting points capable of horizontally rotating comprises a lifting appliance body 1, a lifting rope 3 and a lifting mechanism 2. The lifting rope 3 is located the bottom of hoist body 1, and in this embodiment, hoist body 1 sets up to the cross, all sets up one above-mentioned lifting rope 3 at every tip of hoist body 1 to in lift by crane the component that is hung, the one side that lifting structure is located hoist body 1 and keeps away from lifting rope 3.

Referring to fig. 1, the lifting mechanism 2 includes a balance bar 21 and a steel wire rope 22 disposed at two ends of the balance bar 21, two ends of the balance bar 21 are both hinged to a first connecting rod 44, a pulley block 23 is rotatably disposed at one end of the first connecting rod 44 away from the balance bar 21, and the steel wire rope 22 is sleeved on the pulley block 23.

Referring to fig. 2, a rotating assembly 4 is arranged between the balance bar 21 and the spreader body 1, the rotating assembly 4 sequentially comprises an installation base 45, a central shaft 43, a rotary table 42 and a connection base 41 from bottom to top, an installation block 46 is fixedly arranged on one side of the spreader body 1 far away from the lifting rope 3, and the installation base 45 is rotatably connected with the installation block 46. The central shaft 43 is fixed at one end of the mounting seat 45 far away from the mounting block 46, the connecting seat 41 is rotatably arranged on the balance bar 21, the rotary disc 42 is rotatably arranged at the end part of the connecting seat 41 far away from the balance bar 21, and the central shaft 43 is rotatably arranged in the rotary disc 42 in a penetrating way. Between installation piece 46 and mount pad 45, between center pin 43 and the carousel 42, between carousel 42 and the connecting seat 41, between connecting seat 41 and balancing pole 21 to and all set up to rotate between balancing pole 21 and the connecting rod and be connected, when hoist body 1 produced and rotates or rock, the junction that above-mentioned corresponds will produce the self-adaptation and rotate, makes wire rope 22 be difficult to produce the phenomenon of distortion. Because the hung component has a certain weight, the connecting seat 41 is rotatably connected with the central position of the balance bar 21, and the mounting block 46 is also fixed at the middle position of the hanger body 1, the rotating assembly 4 between the hanger body 1 and the balance bar 21 is always in a vertical state, thereby being convenient for hoisting the hung component.

Referring to fig. 3, the surface of the hanger body 1 close to the lifting rope 3 is provided with a plurality of sliding grooves 111, in this embodiment, two sliding grooves 111 are provided, the two sliding grooves 111 are provided in a crossed manner along the diagonal line of the hanger body 1, and the hanger body 1 is provided with a first rotating shaft 113 in a rotating manner at the crossing point of the two sliding grooves 111. The two sliding grooves 111 are divided into four sliding grooves 111 through the first rotating shaft 113, the lifting fixing blocks 112 are arranged on the lifting appliance body 1 and located in the four sliding grooves 111 in a sliding mode, and each lifting fixing block 112 can slide along the length direction of the corresponding sliding groove 111. One end of the lifting fixing block 112 is fixedly connected with a pulling rope 114, one end of the pulling rope 114 far away from the lifting fixing block 112 is fixed on the first rotating shaft 113, the other end of the lifting fixing block 112 is fixed with a spring 115, and one end of the spring 115 far away from the lifting fixing block 112 is fixed on the side wall of the sliding groove 111 far away from the first rotating shaft 113. When the first rotating shaft 113 is rotated, the pulling rope 114 is wound around the first rotating shaft 113, the fixed lifting block 112 is pulled in the direction of the first rotating shaft 113, and when the first rotating shaft 113 releases the force, the spring 115 pulls the fixed lifting block 112 to be reset by the self-resilience force.

Referring to fig. 4, the hoisting fixing block 112 is provided with a locking assembly 5 for controlling the rotation of the first rotating shaft 113, and the locking assembly 5 can limit the position of the first rotating shaft 113, so that the position of the hoisting fixing block 112 can be determined according to work requirements. The hanger body 1 includes a base 11 and a cover 12, and the base 11 and the cover 12 are fixed by a fixing member, in this embodiment, the fixing member may be a bolt. In this embodiment, the base 11 and the cover 12 can be directly fixed together. The locking assembly 5 is fixed on the base 11, the sliding groove 111 is formed on a surface of the base 11 away from the cover 12, and the mounting block 46 is fixed on a surface of the cover 12 away from the base 11. The one side of pedestal 11 towards lid 12 has seted up holding tank 116, and locking subassembly 5 is located holding tank 116, and first axis of rotation 113 stretches into in holding tank 116, and the one side of holding tank 116 towards pedestal 11 is the tank bottom.

Referring to fig. 4 and 5, the locking assembly 5 includes a first gear 51 fixed on the first rotating shaft 113, a cam 52 rotatably disposed at the bottom of the receiving groove 116, a first rotation stop 53 located at one side of the cam 52 and rotatably disposed at the bottom of the receiving groove 116, and a second rotation stop 54 located at the other side of the cam 52 and rotatably disposed at the bottom of the receiving groove 116. The bottom of the accommodating groove 116 is rotatably provided with a second gear 6 engaged with the first gear 51, a gear shaft of the second gear 6 is rotatably disposed through the cover 12, and a knob 61 is fixedly disposed at one end extending out of the cover 12. The knob 61 is rotated to drive the second gear 6 to rotate, and when the second gear 6 rotates, the first gear 51 can be driven to rotate. The groove bottom of the receiving groove 116 is rotatably provided with a second rotating shaft 521 parallel to the first rotating shaft 113, and the cam 52 is fixedly sleeved on the second rotating shaft 521. A first torsion spring 55 is arranged between the first rotation stop block 53 and the side wall of the receiving groove 116, and a second torsion spring 56 is arranged between the second rotation stop block 54 and the side wall of the receiving groove 116. The side wall of the receiving groove 116, the first torsion spring 55, the first rotation stop 53, the cam 52, the second rotation stop 54, the second torsion spring 56 and the other side wall of the receiving groove 116 are in sequential and opposite abutment. When the first and second rotation preventing blocks 53 and 54 are not in contact with the first gear 51, the side wall of the receiving groove 116, the first torsion spring 55, the first rotation preventing block 53, the cam 52, the second rotation preventing block 54, the second torsion spring 56, and the other side wall of the receiving groove 116 are symmetrically disposed along the center plane of the cam 52. The worker rotates the cam 52 to clamp the first gear 51 and limit the rotation of the first gear 51.

Referring to fig. 4, in order to facilitate rotation of the cam 52 and to observe the state of the cam 52, and to judge the connection relationship between the first rotation stop block 53 or the second rotation stop block 54 and the first gear 51, an adjustment indicating plate 58 is fixedly sleeved on the second rotation shaft 521, when the adjustment indicating plate 58 swings towards the direction of the first rotation stop block 53, the first rotation stop block 53 and the first gear 51 are clamped with each other, and conversely, the second rotation stop block 54 and the first gear 51 are clamped with each other.

Referring to fig. 5, a locking block 57 is slidably disposed on the bottom of the receiving groove 116, and a plurality of locking teeth 573 are disposed on a surface of the locking block 57 facing the first gear 51. The bottom of the accommodating groove 116 is provided with a plurality of parallel retaining grooves 571, in this embodiment, two retaining grooves 571 are provided and are derived towards the direction of the first rotating shaft 113. Two limiting blocks 572 are fixedly arranged on one surface of the locking block 57 facing the bottom of the accommodating groove 116, the two limiting blocks 572 and the two limiting grooves 571 are installed in a one-to-one correspondence manner, and the limiting blocks 572 can slide along the length direction of the limiting grooves 571. When the stopper 572 carries the locking piece 57 in a direction of the first gear 51, the locking teeth 573 and the first gear 51 are engaged with each other, and if the stopper 572 carries the locking piece 57 in a direction of moving away from the first gear 51, the locking teeth 573 and the first gear 51 are disengaged.

Referring to fig. 5, in order to facilitate the movement of the locking block 57, a connection member 574 is disposed between the locking block 57 and the second rotating shaft 521, and the connection member 574 includes a fixing plate 5741 fixed to a side wall of the second rotating shaft 521, a second connecting rod 5742 hinged to the fixing plate 5741, a connecting plate 5743 disposed in parallel with the locking block 57, and fixing rods 5744 fixed to both ends of the locking block 57 in a length direction and disposed in parallel with each other. The length direction along connecting plate 5743 has seted up the hole 5745 that slides, and the one end rotation that the fixed plate 5741 was kept away from to second connecting rod 5742 is provided with turning block 5746, and turning block 5746 rotates and wears to locate in the hole 5745 that slides to turning block 5746 rolls along the length direction's of the hole 5745 that slides and sets up, in order to reduce the friction. The end of the fixing rod 5744 far away from the connecting plate 5743 is fixedly connected with the locking block 57, i.e., the connecting plate 5743, the two fixing rods 5744 and the locking block 57 form a rectangle. As the second rotating shaft 521 rotates, the second connecting rod 5742 will slide the rotating block 5746 in the length direction of the sliding hole 5745, and control the moving direction of the locking block 57, and control the locking and unlocking of the first gear 51.

The implementation principle of the cross lifting appliance with two lifting points capable of horizontally rotating in the embodiment of the application is as follows: first, the position of the hoist fixing block 112 is adjusted according to the size and shape of the member to be hoisted. Namely, the knob 61 is rotated to drive the second gear 6 to rotate, and when the second gear 6 rotates, the first gear 51 can be driven to rotate, that is, the first rotating shaft 113 can be driven to rotate. When the first rotating shaft 113 rotates, the pulling rope 114 can be wound on the first rotating shaft 113, that is, the lifting fixed block 112 can be pulled towards the first rotating shaft 113 through the pulling rope 114, and when the lifting fixed block 112 moves to a required position, the adjustment indicating plate 58 is rotated. When the adjustment indicating plate 58 rotates, the second rotating shaft 521 can be driven to rotate, when the second rotating shaft 521 rotates towards the direction of the first rotation stopping block 53, the cam 52 rotates along with the second rotating shaft 521, the first torsion spring 55 pushes the first rotation stopping block 53 to move towards the direction of the second rotation stopping block 54 through the resilience force of the first torsion spring 55, and the end part of the first rotation stopping block 53 can be clamped between two adjacent teeth of the first gear 51. Meanwhile, when the second rotating shaft 521 rotates, the fixing plate 5741 can be driven to rotate, and when the fixing plate 5741 rotates, the second connecting rod 5742 can be pulled, and the fixing rod 5744 is pulled by the second connecting rod 5742, so that the locking teeth 573 and the first gear 51 can be clamped with each other. The first gear 51 can be locked at the same time, and the position of the hoisting fixing block 112 is limited. The member to be hoisted is fixed to the hoist rope 3, and then the hoist body 1 is hoisted by the wire rope 22. When the hanger body 1 shakes, the hanger body 1 and the balance rod 21 can be adjusted in a self-adaptive manner through the rotating assembly 4, so that the steel wire rope 22 is not easy to twist.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a but two hoisting points horizontal rotation's cross hoist, includes hoist body (1), its characterized in that: the lifting appliance comprises a lifting appliance body (1), wherein a lifting mechanism (2) is arranged on the lifting appliance body (1), and a plurality of lifting ropes (3) are arranged on one surface of the lifting appliance body (1) far away from the lifting mechanism (2);

the lifting mechanism (2) comprises a balance rod (21) and steel wire ropes (22) movably arranged at two ends of the balance rod (21), and a rotating assembly (4) is arranged between the balance rod (21) and the lifting appliance body (1).

2. The cross spreader with two horizontally rotatable lifting points according to claim 1, wherein: the rotating assembly (4) comprises a connecting seat (41), a rotary disc (42) and a central shaft (43), the connecting seat (41) is rotatably arranged on the balance rod (21), the rotary disc (42) is rotatably arranged on the connecting seat (41), the central shaft (43) is rotatably arranged in the rotary disc (42) in a penetrating manner, and one end, far away from the connecting seat (41), of the central shaft (43) is connected with the hanger body (1).

3. The cross spreader with two horizontally rotatable lifting points according to claim 2, wherein: two ends of the balance rod (21) are hinged with first connecting rods (44), and one end, far away from the balance rod (21), of each first connecting rod (44) is rotatably connected with the steel wire rope (22);

an installation seat (45) is fixed at one end, away from the connecting seat (41), of the central shaft (43), and the installation seat (45) is hinged with one surface, away from the lifting rope (3), of the lifting appliance body (1);

the lifting appliance is characterized in that the lifting appliance body (1) is in a cross shape, the lifting rope (3) is located at the end part of the cross-shaped lifting appliance body (1), and the mounting seat (45) is hinged to the middle of the lifting appliance body (1).

4. A spreader with two horizontally rotatable lifting points according to claim 3, wherein: the lifting appliance body (1) comprises a base body (11) and a cover body (12), the base body (11) and the cover body (12) are fixed through fixing parts, one surface, far away from the cover body (12), of the base body (11) is provided with a plurality of sliding grooves (111) in a crossed mode, one surface, far away from the cover body (12), of the base body (11) is provided with a lifting fixing block (112), the lifting fixing block (112) is arranged in a sliding mode along the length direction of the sliding grooves (111), and the lifting rope (3) is fixed to the lifting fixing block (112);

a first rotating shaft (113) is rotatably arranged at the crossed position of the plurality of sliding grooves (111), a pull rope (114) is connected between the plurality of lifting fixed blocks (112) and the first rotating shaft (113), and a spring (115) is fixedly arranged between one surface, far away from the pull rope (114), of the lifting fixed block (112) and the wall surface, far away from the first rotating shaft (113), of the sliding groove (111);

and a locking assembly (5) for controlling the first rotating shaft (113) to rotate is arranged between the base body (11) and the cover body (12).

5. A spreader with two horizontally rotatable hoisting points according to claim 4, wherein: one surface of the base body (11) facing the cover body (12) is provided with an accommodating groove (116), the locking assembly (5) is positioned in the accommodating groove (116), one surface of the accommodating groove (116) facing the base body (11) is a groove bottom, and the locking assembly (5) comprises a first gear (51), a cam (52), a first rotation stopping block (53) and a second rotation stopping block (54);

the first rotating shaft (113) extends into the accommodating groove (116), and the first gear (51) is fixedly sleeved on the first rotating shaft (113);

a second rotating shaft (521) is rotatably arranged at the bottom of the accommodating groove (116), the axis of the second rotating shaft (521) is parallel to the axis of the first rotating shaft (113), and the cam (52) is fixedly sleeved on the second rotating shaft (521);

the first rotation stopping block (53) and the second rotation stopping block (54) are rotatably arranged at the bottom of the accommodating groove (116), the first rotation stopping block (53) is positioned on one side of the cam (52), the second rotation stopping block (54) is positioned on the other side of the cam (52), and the opposite surfaces of the first rotation stopping block (53) and the second rotation stopping block (54) are abutted to the convex blocks;

a first torsion spring (55) is arranged between the first rotation stopping block (53) and the side wall of the accommodating groove (116), and a second torsion spring (56) is arranged between the second rotation stopping block (54) and the side wall of the accommodating groove (116).

6. A cross spreader with two horizontally rotatable lifting points according to claim 5, wherein: the locking device comprises a containing groove (116), a locking block (57) is arranged on the groove bottom of the containing groove (116) in a sliding mode, a plurality of limiting grooves (571) which are parallel to each other are formed in the groove bottom of the containing groove (116), a plurality of limiting blocks (572) are fixedly arranged on one surface, facing the limiting grooves (571), of the locking block (57), the limiting blocks (572) and the limiting grooves (571) are arranged in a one-to-one correspondence mode, the limiting blocks (572) are inserted into the limiting grooves (571) in a sliding mode, a plurality of locking teeth (573) are formed in one surface, facing the first gear (51), of the locking block (57), the locking teeth (573) are clamped with the first gear (51) in a clamping mode, and a connecting piece (574) is arranged between.

7. A spreader with two horizontally rotatable hoisting points according to claim 6, wherein: the connecting piece (574) comprises a fixing plate (5741), a second connecting rod (5742), a connecting plate (5743) and fixing rods (5744) fixed at two ends of the locking block (57), the fixing plate (5741) is fixed on the side wall of the second rotating shaft (521), the end part of the second connecting rod (5742) is hinged with the fixing plate (5741), a sliding hole (5745) is formed in the connecting plate (5743), a rotating block (5746) is rotatably arranged at one end, far away from the fixing plate (5741), of the second connecting rod (5742), the rotating block (5746) is arranged along the side wall of the sliding hole (5745) in the length direction in a rolling mode, the fixing rods (5744) are fixed at the two ends of the connecting plate (5743) in the length direction, one end, far away from the connecting plate (5743), of the fixing rod (5744) is fixedly connected with the locking block (57), and the connecting plate (5743) and the locking block (57) are arranged in parallel.

8. A cross spreader with two horizontally rotatable lifting points according to claim 5, wherein: the first gear (51) is meshed with a second gear (6), the second gear (6) is rotatably arranged on the bottom surface of the limiting groove (571), a gear shaft of the second gear (6) penetrates through the cover body (12), and a knob (61) is fixedly arranged at one end, extending out of the cover body (12).

9. A cross spreader with two horizontally rotatable lifting points according to claim 5, wherein: an adjusting indicating plate (58) is fixedly sleeved on the second rotating shaft (521), and the first torsion spring (55), the first rotation stopping block (53), the cam (52), the second rotation stopping block (54) and the second torsion spring (56) are symmetrically arranged along the central plane of the cam (52).

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