CN209778065U - Novel hook group capable of lifting height - Google Patents
Novel hook group capable of lifting height Download PDFInfo
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- CN209778065U CN209778065U CN201920193974.4U CN201920193974U CN209778065U CN 209778065 U CN209778065 U CN 209778065U CN 201920193974 U CN201920193974 U CN 201920193974U CN 209778065 U CN209778065 U CN 209778065U
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- pulley
- lifting
- telescopic rod
- plate
- hook
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Abstract
A novel lifting hook group capable of lifting the lifting height comprises a pulley assembly and a lifting hook, wherein the lifting hook is fixedly connected with the bottom of the pulley assembly, the pulley assembly comprises two side plates which are oppositely arranged, two pulley shafts are arranged between the two side plates, the end parts of the pulley shafts are detachably and fixedly connected with the side plates, the central connecting line of the two side plates is a symmetrical line, the two pulley shafts are symmetrically arranged relative to the symmetrical line, the included angle between the pulley shafts and the symmetrical line is alpha, the value range of the alpha is 8-12 degrees, and three pulleys are uniformly arranged on the pulley shafts at intervals; a first baffle plate is arranged between the two pulley shafts, and a gap is reserved between the pulley and the first baffle plate. The utility model discloses in two relative slopes of loose pulley shaft set up, two loose pulley shafts set up about the symmetry line symmetry, and the contained angle between loose pulley shaft and the symmetry line is alpha, and alpha's value range is 8-12, reduces wire rope's income rope contained angle to on the basis that does not change hoist overall structure, advance one and promote the lifting height.
Description
Technical Field
The utility model relates to a technical field of lifting hook, concretely relates to can promote novel lifting hook group of hoisting height.
Background
When the crane is designed and used, the height of a factory building is often limited, or the height of a lifting appliance is higher during lifting, so that the lifting height required by use cannot be reached, in order to prevent a steel wire rope from deviating from a pulley, the rope-entering included angle of the steel wire rope is regulated by the crane standard to be not more than 6 degrees, pulley shafts are arranged in parallel relatively in a lifting hook group, and when the crane is designed, the lifting height of the lifting hook group at the limit cannot be reached.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the novel lifting hook group capable of lifting the lifting height is provided, the pulley shafts of the lifting hook group are arranged in a relatively inclined mode, and the rope entering included angle of a steel wire rope is reduced, so that the lifting height is improved on the basis that the overall structure of a crane is not changed.
The utility model discloses the technical scheme who takes does:
A novel lifting hook group capable of lifting the lifting height comprises a pulley assembly and a lifting hook, wherein the lifting hook is fixedly connected with the bottom of the pulley assembly, the pulley assembly comprises two side plates which are oppositely arranged, two pulley shafts are arranged between the two side plates, the end parts of the pulley shafts are detachably and fixedly connected with the side plates, the central connecting line of the two side plates is a symmetrical line, the two pulley shafts are symmetrically arranged relative to the symmetrical line, the included angle between the pulley shafts and the symmetrical line is alpha, the value range of the alpha is 8-12 degrees, and three pulleys are uniformly arranged on the pulley shafts at intervals; the pulley shaft fixing device is characterized in that a first baffle is arranged between the two pulley shafts, the end face of the first baffle is fixedly connected with the side plate, the face, close to the pulley, of the first baffle is arranged in parallel with the axis of the pulley shafts, a gap is reserved between the pulley and the first baffle, a protective plate is fixed on the end face of the side plate, a second baffle is fixed on the inner side face of the protective plate, the inner side face of the second baffle is arranged in parallel with the axis of the pulley shafts, and a gap is reserved between the pulley and the second baffle.
And a steel wire rope is wound on the pulley, and the gap between the pulley and the first baffle and the gap between the pulley and the second baffle are smaller than the diameter of the steel wire rope.
The side plate is provided with a through hole, the end part of the pulley shaft is arranged in the through hole, the end part of the pulley shaft is provided with a first threaded hole, the outer side surface of the side plate is provided with a base plate, the length of the base plate is larger than the diameter of the through hole, the base plate is provided with a second threaded hole, the first threaded hole corresponds to the second threaded hole, a bolt is arranged in the first threaded hole, and the base plate and the pulley shaft are connected through the bolt.
Three bearings are uniformly fixed on the pulley shaft at intervals, and the pulley is fixedly connected with the outer ring of the bearing.
And a stop block is arranged between the adjacent bearings and is fixedly connected with the pulley shaft.
Be equipped with mousing-hook device on the lifting hook, mousing-hook device includes two telescopic links, and two telescopic links set up about the vertical central line symmetry of lifting hook group, the one end and the lifting hook fixed connection of telescopic link, at the other end fixedly connected with U type cardboard of telescopic link, telescopic link and U type cardboard bottom surface fixed connection, the notch of two U type cardboards sets up relatively.
When the ends of the two U-shaped clamping plates are contacted, the bottom surfaces of the U-shaped clamping plates are arranged in parallel with the longitudinal center line of the hook group.
And threaded shafts are arranged at two ends of the bottom plate of the U-shaped clamping plate and are in threaded connection with the side plates of the U-shaped clamping plate.
The telescopic rods comprise a first telescopic rod and a second telescopic rod, the first telescopic rod is a hydraulic rod or an electric push rod, the second telescopic rod is an arc-shaped connecting rod, the fixed end of the first telescopic rod is fixedly connected with the lifting hook, the free end of the first telescopic rod is fixedly connected with one end of the second telescopic rod, the other end of the second telescopic rod is fixedly connected with the bottom surface of the U-shaped clamping plate, and the shape of the second telescopic rod corresponds to the shape of the inner side surface of the lifting hook; the lifting hook group is provided with a controller, and the first telescopic rod is connected with the controller.
The inner side of the lifting hook is provided with a groove, and the telescopic rod is arranged in the groove.
In the utility model, two pulley shafts are arranged in a relatively inclined way, the two pulley shafts are symmetrically arranged about a symmetry line, the included angle between the pulley shafts and the symmetry line is alpha, the value range of the alpha is 8-12 degrees, and the rope-entering included angle of the steel wire rope is reduced, so that the lifting height is improved on the basis of not changing the whole structure of the crane; when the lifting hook group is impacted and the like, the first baffle and the second baffle effectively prevent the steel wire rope from falling off; the end part of the pulley shaft is detachably and fixedly connected with the side plate, so that the installation and the maintenance are convenient; the notches of the two U-shaped clamping plates of the unhooking prevention device are oppositely arranged, the end faces of the two U-shaped clamping plates are contacted under the action of the telescopic rod to form a closed ring, and a lifting appliance rope is hung on the lifting hook and then arranged in the closed ring to prevent unhooking and avoid back and forth leaping of the lifting appliance rope; the bottom plate of the U-shaped clamping plate is in threaded connection with the side plates of the U-shaped clamping plate, so that the distance between the side plates of the U-shaped clamping plate can be conveniently adjusted to adapt to lifting appliance ropes with different diameters; first telescopic link is hydraulic stem or electric putter, is convenient for realize automatic control.
Drawings
Fig. 1 is a schematic structural view of the present invention;
3 FIG. 3 2 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3
FIG. 3 is a sectional view taken along line B-B of FIG. 1;
Fig. 4 is a schematic structural view of the unhooking prevention device.
Detailed Description
As shown in fig. 1 and 2, a novel hook set capable of lifting a lifting height comprises a pulley assembly and a lifting hook 4, wherein the lifting hook 4 is fixedly connected with the bottom of the pulley assembly, the pulley assembly comprises two oppositely arranged side plates 2, two pulley shafts 7 are arranged between the two side plates 2, the end parts of the pulley shafts 7 are detachably and fixedly connected with the side plates 2, so that the installation and the maintenance are convenient, the central connecting line of the two side plates 2 is a symmetry line, the two pulley shafts 7 are symmetrically arranged relative to the symmetry line, the included angle between the pulley shafts 7 and the symmetry line is alpha, the value range of the alpha is 8-12 degrees, and three pulleys 5 are uniformly arranged on the pulley shafts 7 at intervals; a first baffle plate 10 is arranged between the two pulley shafts 7, the end surface of the first baffle plate 10 is fixedly connected with the side plate 2, the surface of the first baffle plate 10 close to the pulley 5 is arranged in parallel with the axis of the pulley shaft 7, a gap is arranged between the pulley 5 and the first baffle plate 10, a guard plate 3 is fixed on the end surface of the side plate 2, a second baffle plate 4 is fixed on the inner side surface of the guard plate 3, the inner side surface of the second baffle plate 4 is arranged in parallel with the axis of the pulley shaft 7, and a gap is arranged between the pulley 5 and the second baffle plate 4; when the hook 4 group has the condition of striking, etc., the first baffle 10 and the second baffle 4 effectively prevent the steel wire rope 12 from falling off.
The steel wire rope 12 is wound on the pulley 5, the winding manner of the steel wire rope 12 is the same as that in the prior art, and details are not repeated herein, and the gap between the pulley 5 and the first baffle 10 and the gap between the pulley 5 and the second baffle 4 are both smaller than the diameter of the steel wire rope 12.
Be equipped with the through-hole on curb plate 2, the tip setting of loose pulley axle 7 is in the through-hole, is equipped with first screw hole at the tip of loose pulley axle 7, is equipped with backing plate 9 at the lateral surface of curb plate 2, and the length of backing plate 9 is greater than the diameter of through-hole, is equipped with the second screw hole on backing plate 9, and first screw hole is corresponding with the second screw hole, is equipped with bolt 8 in first screw hole, and backing plate 9 and loose pulley axle 7 pass through bolt 8 and connect.
Three bearings 6 are uniformly fixed on the pulley shaft 7 at intervals, and the pulley 5 is fixedly connected with the outer rings of the bearings 6.
a stop block 11 is arranged between the adjacent bearings 6, and the stop block 11 is fixedly connected with the pulley shaft 7.
Fig. 3 and 4 are equipped with mousing-hook device 5 on lifting hook 4, mousing-hook device 5 includes two telescopic links, two telescopic links set up about 4 vertical central line symmetries of group of lifting hook, the one end and 4 fixed connection of lifting hook of telescopic link, other end fixedly connected with U type cardboard 52 at the telescopic link, telescopic link and U type cardboard bottom surface 520 fixed connection, the notch of two U type cardboards 52 sets up relatively, two U type cardboard 52 are under the effect of telescopic link, its end face contact, form closed ring, behind hoist rope 13 hangs on lifting hook 4, the setting is in this closed ring, mousing-hook is prevented, avoid it to leap back and forth to move simultaneously.
When the ends of the two U-shaped catch plates 52 are in contact, the bottom surfaces 520 of the U-shaped catch plates are arranged parallel to the longitudinal centre line of the set of hooks 4.
Threaded shafts 521 are arranged at two ends of the bottom plate of the U-shaped clamping plate 52, the threaded shafts 521 are in threaded connection with the U-shaped clamping plate side plates 522, and the distance between the U-shaped clamping plate side plates 522 is convenient to adjust so as to adapt to lifting appliance ropes 13 with different diameters.
The telescopic rods comprise a first telescopic rod 50 and a second telescopic rod 51, the first telescopic rod 50 is a hydraulic rod or an electric push rod, the second telescopic rod 51 is an arc-shaped connecting rod, the fixed end of the first telescopic rod 50 is fixedly connected with the lifting hook 4, the free end of the first telescopic rod 50 is fixedly connected with one end of the second telescopic rod 51, the other end of the second telescopic rod 51 is fixedly connected with the bottom surface 520 of the U-shaped clamping plate, and the shape of the second telescopic rod 51 corresponds to the shape of the inner side surface of the lifting hook 4; the controller is arranged on the lifting hook 4 groups, the first telescopic rod 50 is connected with the controller, the controller controls the first telescopic rod 50 to stretch, the first telescopic rod 50 drives the second telescopic rod 51 to stretch, and the second telescopic rod 51 drives the U-shaped clamping plate 52 to stretch.
The inner side of the lifting hook 4 is provided with a groove, and the telescopic rod is arranged in the groove.
The utility model discloses in two relative slopes of loose pulley 7 set up, two loose pulley 7 set up about the symmetry line symmetry, and the contained angle between loose pulley 7 and the symmetry line is alpha, and alpha's value range is 8-12, reduces wire rope 12's income rope contained angle to on the basis that does not change hoist overall structure, advance one and promote the lifting height. In the present embodiment, α is 10 °.
When the lifting appliance rope 13 is used, the distance between two side plates 2 of the U-shaped clamping plate 52 is adjusted according to the diameter of the lifting appliance rope 13, the distance is slightly larger than the diameter of the lifting appliance rope 13, the first telescopic rod 50 is controlled to shrink by the controller, the first telescopic rod 50 drives the second telescopic rod 51 to shrink again, the second telescopic rod 51 drives the U-shaped clamping plate 52 to shrink, the lifting appliance rope 13 is placed between the two U-shaped clamping plates 52, then the first telescopic rod 50 is controlled to stretch by the controller, the first telescopic rod 50 drives the second telescopic rod 51 to stretch again, the second telescopic rod 51 drives the U-shaped clamping plate 52 to stretch out, the lifting appliance rope 13 is clamped by the two U-shaped clamping plates 52, the two U-shaped clamping plates 52 form a closed ring, the lifting appliance rope 13 is arranged in the closed ring, unhooking can be effectively avoided, and.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (9)
1. The utility model provides a can promote novel lifting hook group of hoisting height, includes loose pulley assembly and lifting hook, lifting hook and loose pulley assembly's bottom fixed connection, its characterized in that: the pulley assembly comprises two opposite side plates, two pulley shafts are arranged between the two side plates, the end parts of the pulley shafts are detachably and fixedly connected with the side plates, the central connecting line of the two side plates is a symmetrical line, the two pulley shafts are symmetrically arranged relative to the symmetrical line, the included angle between each pulley shaft and the symmetrical line is alpha, the value range of the alpha is 8-12 degrees, and three pulleys are uniformly arranged on the pulley shafts at intervals; a first baffle plate is arranged between the two pulley shafts, the end surface of the first baffle plate is fixedly connected with the side plate, the surface of the first baffle plate close to the pulleys is arranged in parallel with the axes of the pulley shafts, a gap is reserved between the pulleys and the first baffle plate, a guard plate is fixed on the end surface of the side plate, a second baffle plate is fixed on the inner side surface of the guard plate, the inner side surface of the second baffle plate is arranged in parallel with the axes of the pulley shafts, and a gap is reserved between the pulleys and the second baffle plate;
Be equipped with mousing-hook device on the lifting hook, mousing-hook device includes two telescopic links, and two telescopic links set up about the vertical central line symmetry of lifting hook group, the one end and the lifting hook fixed connection of telescopic link, at the other end fixedly connected with U type cardboard of telescopic link, telescopic link and U type cardboard bottom surface fixed connection, the notch of two U type cardboards sets up relatively.
2. A novel hook set for lifting heights according to claim 1, characterized in that: and a steel wire rope is wound on the pulley, and the gap between the pulley and the first baffle and the gap between the pulley and the second baffle are smaller than the diameter of the steel wire rope.
3. A novel hook set for lifting heights according to claim 1, characterized in that: the side plate is provided with a through hole, the end part of the pulley shaft is arranged in the through hole, the end part of the pulley shaft is provided with a first threaded hole, the outer side surface of the side plate is provided with a base plate, the length of the base plate is larger than the diameter of the through hole, the base plate is provided with a second threaded hole, the first threaded hole corresponds to the second threaded hole, a bolt is arranged in the first threaded hole, and the base plate and the pulley shaft are connected through the bolt.
4. A novel hook set for lifting heights according to claim 1, characterized in that: three bearings are uniformly fixed on the pulley shaft at intervals, and the pulley is fixedly connected with the outer ring of the bearing.
5. A novel hook set for lifting heights according to claim 4, wherein: and a stop block is arranged between the adjacent bearings and is fixedly connected with the pulley shaft.
6. A novel hook set for lifting heights according to claim 1, characterized in that: when the ends of the two U-shaped clamping plates are contacted, the bottom surfaces of the U-shaped clamping plates are arranged in parallel with the longitudinal center line of the hook group.
7. A novel hook set for lifting heights according to claim 6, characterized in that: and threaded shafts are arranged at two ends of the bottom plate of the U-shaped clamping plate and are in threaded connection with the side plates of the U-shaped clamping plate.
8. A novel hook set for lifting heights according to claim 7, wherein: the telescopic rods comprise a first telescopic rod and a second telescopic rod, the first telescopic rod is a hydraulic rod or an electric push rod, the second telescopic rod is an arc-shaped connecting rod, the fixed end of the first telescopic rod is fixedly connected with the lifting hook, the free end of the first telescopic rod is fixedly connected with one end of the second telescopic rod, the other end of the second telescopic rod is fixedly connected with the bottom surface of the U-shaped clamping plate, and the shape of the second telescopic rod corresponds to the shape of the inner side surface of the lifting hook; the lifting hook group is provided with a controller, and the first telescopic rod is connected with the controller.
9. A novel hook set for lifting heights according to claim 8, wherein: the inner side of the lifting hook is provided with a groove, and the telescopic rod is arranged in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920193974.4U CN209778065U (en) | 2019-02-13 | 2019-02-13 | Novel hook group capable of lifting height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920193974.4U CN209778065U (en) | 2019-02-13 | 2019-02-13 | Novel hook group capable of lifting height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209778065U true CN209778065U (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920193974.4U Active CN209778065U (en) | 2019-02-13 | 2019-02-13 | Novel hook group capable of lifting height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209778065U (en) |
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2019
- 2019-02-13 CN CN201920193974.4U patent/CN209778065U/en active Active
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