CN220618130U - Lifting appliance for crane - Google Patents

Abstract

The utility model discloses a lifting appliance for a crane, which belongs to the technical field of cranes and comprises a mounting frame, wherein T-shaped columns are arranged at four top corners of the upper surface of the mounting frame, a top plate is sleeved on the four T-shaped columns, springs I are arranged between the top plate and the plurality of T-shaped columns, sliding grooves are formed in the left side and the right side of the mounting frame, two sliding parts are connected to the inner walls of the sliding grooves in a sliding manner, telescopic parts are connected to the bottoms of the sliding parts in a rotating manner, clamping blocks are arranged at the bottoms of the telescopic parts, and driving parts for overturning the telescopic parts are arranged at the bottoms of the top plate. Can satisfy the demand of handling not unidimensional goods, press from both sides tightly the goods through utilizing the gravity of goods, then the clamping strength is stronger when the goods is heavier, stability is higher.

Description

Lifting appliance for crane

Technical Field

The utility model relates to a lifting appliance, in particular to a lifting appliance for a crane, and belongs to the technical field of cranes.

Background

The crane mainly comprises mechanical equipment for carrying heavy objects in a certain range, and mostly comprises a hanging structure and a winch, the heavy objects are hung by using a lifting appliance, and then the heavy objects are carried to a designated place by the mechanical equipment, so that the lifting appliance needs to be frequently contacted with the heavy objects, and the requirement on the lifting appliance is higher and higher.

Such as patent application number: CN201822187357.1, a hoist that provides, including crossbeam and movable groove, the center department fixedly connected with mount pad of up end of crossbeam, and the connecting rod is installed at the top of crossbeam to the connecting rod is located the outside of mount pad, the top welding of connecting rod has stable cover, and stabilizes the top that the cover is located the mount pad, the movable groove is seted up in the lower terminal surface of crossbeam, and the one end that is provided with the mounting panel in the movable groove, the spacing groove has been reserved to the bottom of mounting panel, and installs the hanging ball in the spacing groove to the lower extreme of hanging ball is fixed with the jib, assist the groove has been seted up to the bottom of mounting panel, and assist the outside that the groove is located the spacing groove, and assist the inslot to install and assist the ball, assist and be connected with the bracing piece between ball and the jib. However, the above structure still has the phenomenon that the use cannot be satisfied when the width and the length of the goods are large, and the goods are lifted by the hooks, so that the fixing effect is not ideal.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a lifting appliance for a crane, which can meet the requirement of lifting cargoes with different sizes, and clamps the cargoes by utilizing the gravity of the cargoes, so that the clamping force is stronger when the cargoes are heavier, and the stability is higher.

In order to solve the problems, the following technical scheme is provided:

the utility model provides a hoist that hoist was used, includes the installing frame, four apex angle departments of installing frame upper surface all are provided with T shape post, and four T shape posts have cup jointed the roof, all are provided with spring one between roof and the a plurality of T shape posts, and the spout has all been seted up to the left and right sides of installing frame, and the equal sliding connection of inner wall of spout has two sliders, and the bottom of slider all rotates and is connected with the extensible member, and the bottom of extensible member all is provided with the fixture block, and the bottom of roof is provided with the driving piece that is used for overturning the extensible member.

Further, the upper surface of roof is provided with two mount pads, and the mount pad is all rotated through the pivot and is connected with the connecting roller, all is provided with the strengthening rib between the upper surface of both sides and roof of mount pad.

Further, the slider includes the slider corresponding with the spout, and one side of slider is provided with L shape connecting plate, and the bottom of L shape connecting plate is connected with the extensible member, and the mounting groove has been seted up to the bottom of slider, and the inner wall of mounting groove is provided with a plurality of gliding installation pieces from top to bottom, and the installation piece all rotates through the pivot to be connected with the gyro wheel, all is provided with the spring second between the top of the upper surface of installation piece and the mounting groove inner wall.

Further, the extension piece includes bears the sleeve, bears telescopic inner wall cup joints the extension arm, and the bottom of extension arm is connected with the fixture block, has seted up a plurality of through-holes on the extension arm, bears telescopic bottom threaded connection and has the locking bolt corresponding with the through-hole.

Further, the driving piece includes the pull rod, and the top of pull rod is connected with the lower surface of roof, and the bottom of pull rod is provided with the connecting rod, has cup jointed two connecting blocks on the connecting rod, and the both sides of connecting block all are connected with the linking arm through the pivot rotation, and the tip of linking arm is connected with bearing sleeve rotation respectively through the pivot.

Compared with the prior art, the utility model has the beneficial effects that:

the telescopic piece and the sliding piece are arranged, so that a worker can conveniently adjust the position of the clamping block according to the size of the goods, and the lifting work of the goods with different sizes can be met;

the telescopic piece drives the clamping block to clamp the goods under the action of gravity of the goods in the process of lifting the goods, so that the fixing effect of the goods is improved.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the overall structure of the present utility model;

FIG. 3 is a partial structural perspective view of the present utility model;

FIG. 4 is a structural exploded view of the slider of the present utility model;

fig. 5 is a structural exploded view of the telescopic member of the present utility model.

In the figure: 1. a mounting frame; 2. a T-shaped column; 3. a top plate; 4. a first spring; 5. a mounting base; 6. a connecting roller; 7. a chute; 8. a slider; 801. a slide block; 802. an L-shaped connecting plate; 803. a mounting groove; 804. a mounting block; 805. a roller; 806. a second spring; 9. a bearing sleeve; 10. a connecting arm; 11. a connecting block; 12. a connecting rod; 13. a pull rod; 14. an extension arm; 15. a clamping block; 16. a through hole; 17. a locking bolt.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1-5, the lifting appliance for the crane of the embodiment comprises a mounting frame 1, T-shaped columns 2 are arranged at four top corners of the upper surface of the mounting frame 1, top plates 3 are sleeved on the four T-shaped columns 2, springs 4 are arranged between the top plates 3 and the plurality of T-shaped columns 2, sliding grooves 7 are formed in the left side and the right side of the mounting frame 1, two sliding pieces 8 are connected to the inner walls of the sliding grooves 7 in a sliding mode, telescopic pieces are connected to the bottoms of the sliding pieces 8 in a rotating mode, the telescopic pieces and the sliding pieces 8 can facilitate workers to adjust the positions of clamping blocks 15 according to the size of cargoes, accordingly the lifting work of cargoes with different sizes can be met, clamping blocks 15 are arranged at the bottom ends of the telescopic pieces, and driving pieces for overturning the telescopic pieces are arranged at the bottoms of the top plates 3.

The upper surface of roof 3 is provided with two mount pads 5, and mount pad 5 all rotates through the pivot and is connected with connecting roller 6, all is provided with the strengthening rib between the upper surface of both sides and roof 3 of mount pad 5, accomplishes this device and the connection work of hoist through the bottom that passes two connecting roller 6 in proper order with the string rope of hoist, and is convenient to connect, also can avoid the pivoted phenomenon to appear at the in-process of handling simultaneously.

The slider 8 includes the slider 801 corresponding with spout 7, one side of slider 801 is provided with L shape connecting plate 802, and the bottom of L shape connecting plate 802 is connected with the extensible member, mounting groove 803 has been seted up to the bottom of slider 801, the inner wall of mounting groove 803 is provided with a plurality of gliding installation pieces 804 from top to bottom, the installation piece 804 all rotates through the pivot and is connected with gyro wheel 805, all be provided with spring two 806 between the top of the upper surface of installation piece 804 and the inner wall of mounting groove 803, when not handling the goods, the bottom of gyro wheel 805 contacts with the inner wall of spout 7, can effectually reduce the frictional force between slider 801 and the spout 7, be convenient for the staff to remove slider 801, when handling the goods, make the lower surface of slider 801 contact with the inner wall of spout 7 under the effect of goods gravity, thereby can promote the frictional force between the lower surface of slider 801 and the spout 7 inner wall, ensure the stability at handling in-process.

The telescopic piece comprises a bearing sleeve 9, an extension arm 14 is sleeved on the inner wall of the bearing sleeve 9, the bottom end of the extension arm 14 is connected with a clamping block 15, a plurality of through holes 16 are formed in the extension arm 14, locking bolts 17 corresponding to the through holes 16 are connected to the bottom of the bearing sleeve 9 in a threaded mode, the bearing sleeve is separated from the extension arm 14 by rotating the locking bolts 17, then the extension arm 14 is pulled until the clamping block 15 is stretched to a proper position, and then the locking bolts 17 are reset, so that the telescopic piece is suitable for goods with different sizes.

The driving piece includes pull rod 13, and the top of pull rod 13 is connected with the lower surface of roof 3, and the bottom of pull rod 13 is provided with connecting rod 12, has cup jointed two connecting blocks 11 on the connecting rod 12, and the both sides of connecting block 11 all are connected with linking arm 10 through the pivot rotation, and the tip of linking arm 10 is connected with bearing sleeve 9 rotation respectively through the pivot.

In the lifting appliance for a crane provided in this embodiment, when lifting a cargo, a worker pulls the slider 8 according to the size of the cargo until the slider 8 is pulled to a proper position, then rotates the locking bolt 17 to separate the slider from the extension arm 14, then pulls the extension arm 14 until the clamping block 15 is pulled to a proper position, then resets the locking bolt 17, then starts the crane, and presses the mounting frame 1 downward, at this time, the mounting frame 1 does not move under the action of the gravity of the cargo, and the top plate 3 moves upward to compress the spring one 4, the pull rod 13 pulls the connecting rod 12 and the connecting block 11 upward, and the telescopic arm drives the clamping block 15 to move toward the cargo until the clamping block 15 and the cargo are clamped together under the pulling of the connecting arm 10, and as the crane continues to operate, the telescopic member does not move upward when the telescopic member is not overturned.

Claims (5)

1. The utility model provides a hoist that hoist was used, includes installing frame (1), its characterized in that, four apex angle departments of installing frame (1) upper surface all are provided with T shape post (2), roof (3) have been cup jointed to four T shape posts (2), all be provided with spring one (4) between roof (3) and a plurality of T shape post (2), spout (7) have all been seted up on the left and right sides of installing frame (1), the equal sliding connection of inner wall of spout (7) has two sliders (8), the bottom of slider (8) all rotates and is connected with the extensible member, the bottom of extensible member all is provided with fixture block (15), the bottom of roof (3) is provided with the driving piece that is used for carrying out the upset to the extensible member.

2. The lifting appliance for the crane according to claim 1, wherein two mounting seats (5) are arranged on the upper surface of the top plate (3), the mounting seats (5) are respectively connected with a connecting roller (6) through rotating shafts in a rotating mode, and reinforcing ribs are arranged between two sides of the mounting seats (5) and the upper surface of the top plate (3).

3. The lifting appliance for the crane according to claim 1, wherein the sliding part (8) comprises a sliding block (801) corresponding to the sliding groove (7), an L-shaped connecting plate (802) is arranged on one side of the sliding block (801), the bottom of the L-shaped connecting plate (802) is connected with the telescopic part, a mounting groove (803) is formed in the bottom of the sliding block (801), a plurality of mounting blocks (804) capable of sliding up and down are arranged on the inner wall of the mounting groove (803), rollers (805) are connected to the mounting blocks (804) through rotating shafts in a rotating mode, and springs II (806) are arranged between the upper surface of the mounting blocks (804) and the top of the inner wall of the mounting groove (803).

4. The lifting appliance for the crane according to claim 1, wherein the telescopic piece comprises a bearing sleeve (9), an extension arm (14) is sleeved on the inner wall of the bearing sleeve (9), the bottom end of the extension arm (14) is connected with a clamping block (15), a plurality of through holes (16) are formed in the extension arm (14), and locking bolts (17) corresponding to the through holes (16) are connected with the bottom threads of the bearing sleeve (9).

5. The lifting appliance for the crane according to claim 4, wherein the driving member comprises a pull rod (13), the top end of the pull rod (13) is connected with the lower surface of the top plate (3), the bottom end of the pull rod (13) is provided with a connecting rod (12), two connecting blocks (11) are sleeved on the connecting rod (12), two sides of each connecting block (11) are respectively connected with a connecting arm (10) through rotating shafts, and the end parts of the connecting arms (10) are respectively connected with the bearing sleeve (9) through rotating shafts.