CN215326469U

CN215326469U - Clamp lifting appliance for preventing lifting object from inclining

Info

Publication number: CN215326469U
Application number: CN202121811844.6U
Authority: CN
Inventors: 李永胜; 王东姣; 辛瑞莉
Original assignee: China Hoisting Machinery Co ltd
Current assignee: China Hoisting Machinery Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2021-12-28
Anticipated expiration: 2031-08-04

Abstract

The application relates to a jack-up thing prevents clamp hoist of slope, it includes that the bottom is provided with the support frame of breach, the support frame rotates between two terminal surfaces that are close to the breach and is connected with a pivot, a through-hole has been seted up in the pivot, a mounting bracket is worn to be equipped with by the through-hole internal rotation, the mounting bracket bottom is provided with the centre gripping subassembly that is used for the centre gripping heavy object. This application has the effect that makes the jack-up thing lift by crane the back and keep stable vertical state.

Description

Clamp lifting appliance for preventing lifting object from inclining

Technical Field

The application relates to the technical field of lifting appliances, in particular to a clamp lifting appliance for preventing a lifting object from inclining.

Background

The clamp sling is a tool for clamping, fastening or hoisting, and is widely applied to industries such as metallurgy, transportation, railways, ports and the like.

The utility model discloses a related art is provided like utility model patent of publication No. CN200958003Y, this clamp hoist includes the casing, the arm lock, motor and reduction gear, the arm lock is provided with two and the hinge is adorned on the casing, two arm locks set up in opposite directions, motor and reduction gear are fixed on the casing, horizontally install the lead screw that both sides were provided with reverse screw in the casing, install a lead screw sprocket in the middle part of the lead screw, the lead screw sprocket meshes the transmission through the chain with the sprocket of reduction gear, symmetrical meshing is installed two nuts on the lead screw of lead screw sprocket both sides, the upper end of two arm locks articulates respectively at the lower extreme of two nuts; when the worker needs to use the clamp lifting appliance to lift a heavy object, the worker controls the motor to drive the clamping arms to clamp the heavy object, and then the heavy object is lifted.

In view of the above-mentioned related technologies, the inventor believes that before a worker uses the clamp sling to hoist a box filled with fragile articles such as glass bottles, a lifting rope may not be in a vertical state, so that the box swings back and forth after being hoisted, and the articles in the box may topple and collide.

SUMMERY OF THE UTILITY MODEL

In order to keep stable vertical state after the messenger lifts by crane, this application provides a clamp hoist that lifts by crane thing prevents inclining.

The application provides a jack-up thing prevents clamp hoist of slope adopts following technical scheme:

the utility model provides a jack-up thing prevents clamp hoist of slope, includes that the bottom is provided with the support frame of breach, the support frame is close to and rotates between two terminal surfaces of breach and is connected with a pivot, a through-hole has been seted up in the pivot, a mounting bracket is worn to be equipped with to the through-hole internal rotation, the mounting bracket bottom is provided with the centre gripping subassembly that is used for the centre gripping heavy object.

By adopting the technical scheme, when the heavy object needs to be lifted, a worker clamps the heavy object by using the clamping component at the bottom of the mounting frame and then lifts the heavy object; when the lifting rope swings after being lifted, the mounting frame can rotate around the rotating shaft and can also rotate around the axis direction of the through hole under the action of gravity, so that the lifted object is always kept in a vertical state.

Optionally, a bearing is arranged in the through hole, the outer ring of the bearing is in interference fit with the hole wall of the through hole, and the mounting frame is in interference fit with the inner ring of the bearing.

Through adopting above-mentioned technical scheme, through set up the bearing in the through-hole, improved the rotatory smooth and easy nature of mounting bracket.

Optionally, the centre gripping subassembly includes two rigid couplings mounting panels on the mounting bracket diapire, is provided with two all and slides the arm lock of being connected with the mounting bracket between two mounting panels, every still install an actuating piece that is used for ordering about adjacent arm lock along mounting bracket reciprocating motion on the mounting panel.

By adopting the technical scheme, when the heavy object needs to be lifted, a worker firstly places the heavy object between the two clamping arms, and then controls the driving piece to drive the two clamping arms to be close to each other and clamp the heavy object; the driving piece can drive the clamping arms to apply pressure to the hoisting object, and the effect of fixing the hoisting object is achieved.

Optionally, the spout has been seted up along the moving direction of arm lock on the mounting bracket, the arm lock is including sliding the clamping part of wearing to locate in the spout, the clamping part is connected with the output of driving piece, the clamping part top is provided with slides and sets up the slider on the mounting bracket.

By adopting the technical scheme, the clamping part is slidably arranged in the chute in a penetrating way, and the clamping arm has a guiding effect; the slider sets up at the clamping part top and slides and set up on the mounting bracket, has reduced the clamping part and has taken place the possibility of buckling with driving piece output junction.

Optionally, one side of the clamping part, which is far away from the driving part, is provided with a plurality of anti-slip protrusions.

Through adopting above-mentioned technical scheme, through set up the non-skid stud on the clamping part, the biggest static friction between increase play heavy object and the arm lock has the effect of fixed play heavy object.

Optionally, an upper protection plate is mounted at the top of the mounting frame, and the upper protection plate spans over the rotating shaft.

Through adopting above-mentioned technical scheme, go up the protection shield and can play the supporting role to the mounting bracket, reduce the mounting bracket and take place the possibility of buckling in the pivot junction.

Optionally, a lower protection plate for bearing the upper protection plate is arranged at the bottom of the support frame, and the lower protection plate spans the rotating shaft and is arranged in a cross manner with the upper protection plate.

Through adopting above-mentioned technical scheme, if pivot department breaks, the protection shield can be accepted to lower protection shield to play the effect that promotes the structural security.

Optionally, the supporting frame is provided with a rain shielding plate for shielding the joint of the rotating shaft and the supporting frame.

Through adopting above-mentioned technical scheme, when the hoist was worked in sleet weather, rain shield can reduce the contact of sleet and pivot junction, reduces the possibility of pivot and bearing department corrosion, and then has prolonged the life of clamp hoist.

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

1. when the heavy object needs to be lifted, a worker clamps the heavy object by using the clamping component at the bottom of the mounting frame to lift the heavy object; when the lifting rope is possibly swung after being lifted, the mounting frame can rotate around the rotating shaft and can also rotate around the axis direction of the through hole under the action of gravity, so that the lifted object is always kept in a vertical state;

2. the upper protection plate can support the mounting frame, so that the possibility of bending of the mounting frame at the joint of the rotating shaft is reduced;

3. if the pivot department breaks, the upper shield can be accepted to lower guard plate to play the effect that promotes the structural security.

Drawings

Fig. 1 is a schematic structural diagram of a clamp spreader for preventing a crane from tilting according to an embodiment of the present application.

Description of reference numerals: 1. a support frame; 10. a first support bar; 11. a second support bar; 12. a third support bar; 2. a hoisting ring; 3. a lifting rope; 4. a rotating shaft; 40. a through hole; 41. a bearing; 5. a mounting frame; 50. a first mounting bar; 51. a connecting rod; 52. a second mounting bar; 520. a chute; 6. a clamping assembly; 60. mounting a plate; 61. a cylinder; 62. clamping arms; 620. a clamping portion; 621. a slider; 622. anti-slip teeth; 7. a fuse assembly; 70. an upper protection plate; 71. a lower protection plate; 8. a reinforcing bar; 9. a flashing.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses a clamp hoist that jack-up thing prevents inclining. Referring to fig. 1, the clamp sling comprises a support frame 1, the support frame 1 comprises a first support rod 10, second support rods 11 are respectively and vertically welded at two ends of the first support rod 10, and the two second support rods 11 are parallel to each other and are located at the same side of the first support rod 10; the ends, far away from the first supporting rod 10, of the two second supporting rods 11 are respectively and vertically welded with third supporting rods 12, and the two third supporting rods 12 are far away from the end faces, far away from the second supporting rods 11 connected with the two third supporting rods, of the two third supporting rods and are arranged oppositely; the top surface of the first supporting rod 10 is welded with two hanging rings 2, and the two hanging rings 2 are arranged along the length direction of the first supporting rod 10; a lifting rope 3 for lifting a heavy object is tied on each of the two lifting rings 2.

Referring to fig. 1, a rotating shaft 4 is rotatably connected between the two third supporting rods 12, a through hole 40 is formed in the middle of the rotating shaft 4, and the axial direction of the through hole 40 is perpendicular to the axial direction of the rotating shaft 4; a bearing 41 is arranged in the through hole 40, and the outer ring of the bearing 41 is in interference fit with the hole wall.

Referring to fig. 1, a mounting frame 5 is arranged on a rotating shaft 4, the mounting frame 5 includes a first mounting rod 50, the first mounting rod 50 is arranged in a bearing 41 in a penetrating manner and is in interference fit with an inner ring of the bearing 41, and a connection point of the first mounting rod 50 and the bearing 41 is located in the middle of the first mounting rod 50; connecting rods 51 are vertically welded at two ends of the first mounting rod 50 respectively, and the two connecting rods 51 are parallel to each other and are positioned at the same side of the first mounting rod 50; a second mounting rod 52 is welded between the ends of the two connecting rods 51 far away from the first mounting rod 50; the mounting frame 5 can rotate either about the rotation axis 4 or about the bearing 41.

Referring to fig. 1, a clamping assembly 6 is mounted on a mounting bracket 5, the clamping assembly 6 includes two mounting plates 60, the two mounting plates 60 are vertically welded to the bottom wall of the second mounting rod 52, and the two mounting plates 60 are parallel to each other and located on the same side of the second mounting rod 52; a cylinder 61 is respectively arranged on the opposite sides of the two mounting plates 60, and the cylinder 61 is parallel to the second mounting rod 52; the second mounting rod 52 is provided with a vertically penetrating slide groove 520, and the slide groove 520 is located between the two mounting plates 60.

Referring to fig. 1, two clamping arms 62 are disposed on the second mounting rod 52, the two clamping arms 62 are disposed opposite to each other, each clamping arm 62 includes a clamping portion 620, the clamping portion 620 is welded to the piston rod of the cylinder 61, the clamping portion 620 is inserted into the sliding groove 520, and the clamping portion 620 is perpendicular to the second mounting rod 52; the sliding block 621 is welded at one end of the clamping portion 620 close to the first mounting rod 50, the sliding block 621 is in sliding contact with the second mounting rod 52, the anti-slip teeth 622 are welded at one side of the clamping portion 620 far away from the cylinder 61, and the anti-slip teeth 622 are uniformly distributed along the length direction of the clamping portion 620.

When a worker places a lifting object between the two clamping arms 62, the worker controls the two air cylinders 61 to work, and the two air cylinders 61 respectively drive the two clamping arms 62 to be close to each other and clamp the lifting object; when the worker needs to unload the lifting object, the worker controls the air cylinder 61 to pull the clamping arm 62 to release the lifting object.

Referring to fig. 1, the clamp hanger further includes a safety assembly 7, the safety assembly 7 includes an upper protection plate 70 and a lower protection plate 71, the upper protection plate 70 is an arc-shaped plate, an arc opening of the arc-shaped plate faces the first mounting rod 50, two ends of the upper protection plate 70 are welded to the side wall of the top of the first mounting rod 50, the upper protection plate 70 crosses the rotating shaft 4, the upper protection plate 70 can support the first mounting rod 50, and the possibility that the first mounting rod 50 is bent at the bearing 41 is reduced; the lower protection plate 71 is an arc-shaped plate, two ends of the lower protection plate 71 are welded to the bottom wall of the third support rod 12, the arc-shaped opening of the lower protection plate 71 faces the upper protection plate 70, and two ends of the lower protection plate 71 are respectively welded to the two third support rods 12; the lower protection plate 71 is connected with the two third supporting rods 12, so that the relative displacement of the two third supporting rods 12 is limited, and the stability of the connection position of the rotating shaft 4 and the third supporting rods 12 is improved; if the rotating shaft 4 is broken, the lower protection plate 71 can receive the upper protection plate 70, so that the effect of improving the structural safety is achieved.

Referring to fig. 1, two reinforcing rods 8 are arranged on the mounting frame 5, the two reinforcing rods 8 are arranged in a V shape, the ends of the two reinforcing rods 8 close to each other are welded to the groove wall in the middle of the sliding groove 520, and the ends of the two reinforcing rods 8 far away from each other are located at the two sides of the rotating shaft 4 and are welded to the first mounting rod 50; when the clamping arms 62 clamp a lifting weight, the possibility of the second mounting rod 52 bending at the sliding groove 520 is reduced.

Referring to fig. 1, a flashing 9 is welded on each of two side walls of the first supporting rod 10 perpendicular to the first mounting rod 50, and one end of the flashing 9, which is far away from the first supporting rod 10, is inclined downwards; when the crane works in rainy and snowy weather, the rain shielding plate 9 can reduce the contact between the rain and snow and the connecting part of the rotating shaft, reduce the possibility of corrosion of the rotating shaft 4 and the bearing 41 and further prolong the service life of the clamp lifting appliance.

The implementation principle of the clamp lifting appliance for preventing the lifting object from inclining in the embodiment of the application is as follows: when a worker needs to use the clamp lifting appliance to lift a heavy object, the worker firstly places the heavy object between the two clamping arms 62, the worker controls the two cylinders 61 to work, the two cylinders 61 respectively drive the two clamping arms 62 to be close to each other and clamp the heavy object, the anti-slip teeth 622 can increase the maximum static friction force between the clamping portion 621 and the heavy object, and the effect of fixing the heavy object is achieved; when the lifting object is lifted by the crane, the lifting rope 3 may swing, and the lifting object can make the mounting frame 5 rotate around the rotating shaft 4 and the bearing 41 respectively under the action of gravity, so that the lifting object is always kept in a vertical state.

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

1. The utility model provides a clamp hoist that jack-up thing anti-tilt which characterized in that: support frame (1) including the bottom is provided with the breach, support frame (1) is close to and rotates between two terminal surfaces of breach and is connected with a pivot (4), a through-hole (40) has been seted up on pivot (4), a mounting bracket (5) are worn to be equipped with by through-hole (40) internal rotation, mounting bracket (5) bottom is provided with centre gripping subassembly (6) that are used for the centre gripping heavy object.

2. The clamp spreader of claim 1, wherein: the bearing (41) is arranged in the through hole (40), the outer ring of the bearing (41) is in interference fit with the hole wall of the through hole (40), and the mounting frame (5) is in interference fit with the inner ring of the bearing (41).

3. The clamp spreader of claim 1, wherein: centre gripping subassembly (6) include mounting panel (60) of two rigid couplings on mounting bracket (5) diapire, are provided with between two mounting panels (60) two all with mounting bracket (5) slide clamping arm (62) of being connected, every still install on mounting panel (60) and be used for ordering about adjacent clamping arm (62) along mounting bracket (5) reciprocating motion's driving piece.

4. A lifting object anti-tilt clamp spreader according to claim 3, wherein: spout (520) have been seted up along the moving direction of arm lock (62) on mounting bracket (5), clamping arm (62) wear to locate clamping part (620) in spout (520) including sliding, clamping part (620) are connected with the output of driving piece, clamping part (620) top is provided with slides and sets up slider (621) on mounting bracket (5).

5. A lifting object anti-tilt clamp spreader according to claim 4, wherein: one side of the clamping part (620) far away from the driving part is provided with a plurality of anti-skid protrusions.

6. The clamp spreader of claim 1, wherein: an upper protection plate (70) is installed at the top of the installation frame (5), and the upper protection plate (70) stretches over the rotating shaft (4).

7. The clamp spreader of claim 6, wherein: the bottom of the support frame (1) is provided with a lower protection plate (71) used for bearing the upper protection plate (70), and the lower protection plate (71) spans the rotating shaft (4) and is arranged in a cross mode with the upper protection plate (70).

8. The clamp spreader of claim 2, wherein: the supporting frame (1) is provided with a rain shielding plate (9) used for shielding the joint of the rotating shaft (4) and the supporting frame (1).