CN220033752U - Crane lifting device - Google Patents
Crane lifting device Download PDFInfo
- Publication number
- CN220033752U CN220033752U CN202321660082.3U CN202321660082U CN220033752U CN 220033752 U CN220033752 U CN 220033752U CN 202321660082 U CN202321660082 U CN 202321660082U CN 220033752 U CN220033752 U CN 220033752U
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- rectangular frame
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- balance beam
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- 238000005096 rolling process Methods 0.000 claims description 6
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a crane lifting device, which comprises a balance beam, wherein lifting ropes are arranged on two sides of the top of the balance beam, convex seats are arranged at two ends of the balance beam, rectangular frames are sleeved at two ends of the balance beam, roller groups are arranged in the bottoms of the rectangular frames, hooks are arranged at the bottoms of the rectangular frames, protruding blocks are arranged at the tops of the rectangular frames, through holes are formed in the protruding blocks, a screw is arranged in the through holes, folded edges are outwards folded at two ends of the screw, the diameter of the screw is smaller than the inner diameter of the through holes, the two groups of convex seats above the balance beam are connected through positive and negative screw rods penetrating through the screw, mounting holes are further formed in two side walls of the balance beam, a touch pressing rod is arranged at the bottoms of the mounting holes, bolts corresponding to the mounting holes are connected to the side walls of the rectangular frames in a screwed mode, a touch pressing switch is arranged at the tail end of a bolt body, and the touch pressing switch is connected with a display lamp assembly. The utility model has simple structure and convenient use.
Description
Technical Field
The utility model relates to the technical field of hoisting equipment, in particular to a hoisting device of a crane.
Background
A crane is a machine that uses a hook or other object-taking device to hang a heavy object and performs cyclic operations such as lifting and moving in space. There are many classifications of cranes, and the terms "crane", "tower crane", "overhead crane", "crane" and the like refer to one or more types of cranes.
The lifting device of the crane with the patent number of CN218778606U can meet the use requirements of multiple groups of different conditions by adjusting the distance between two groups of lifting hooks through the double-shaft screw rod, but when the lifting device is used, under the influence of gravity pulling of a suspended object, the lifting hook can act on the double-shaft screw rod through the nut, thereby damaging the threads on the outer wall of the double-shaft screw rod, the threads are damaged, the positions of the nut and the lifting hook cannot be effectively adjusted, the double-shaft screw rod is pulled to be bent, the safety of normal lifting operation of equipment is influenced,
disclosure of Invention
The utility model aims to provide a lifting device of a crane.
The technical problems of the utility model are mainly solved by the following technical scheme:
the crane lifting device comprises a balance beam, wherein lifting ropes are arranged on two sides of the top of the balance beam:
the utility model discloses a display lamp assembly, including rectangular frame, upper and lower support, the compensating beam both ends all are provided with the boss, wherein the compensating beam both ends still overcoat has rectangular frame, and the bottom is provided with the roller group in the rectangular frame, rectangular frame bottom is provided with the couple, and wherein rectangular frame top is provided with the lug, and is provided with the through-hole on the lug, be provided with the screwed pipe in the through-hole, wherein both ends of screwed pipe are all turned over outwards and have the hem, and the screwed pipe diameter is less than the through-hole internal diameter, connect through the positive and negative lead screw that passes the screwed pipe between two sets of boss of compensating beam top, wherein still be provided with the mounting hole on the compensating beam both sides wall, and the bottom is provided with the touch down pole in the mounting hole, the spiro union has the bolt of corresponding mounting hole on the rectangular frame lateral wall, wherein the shaft end of bolt extends to in one of them a set of mounting hole, and be provided with the touch down switch with the touch down on the bolt shaft end with the touch down switch that corresponds on the rectangular frame outer wall, touch down switch through the wire and be connected with the display lamp assembly on the rectangular frame outer wall.
Preferably, the convex seat is provided with a rolling bearing for fixing the positive and negative screw rod, wherein the positive and negative screw rod is in threaded connection with the screw tube.
Preferably, a template in reverse buckling is arranged in the middle of the top of the balance beam, wherein the positive and negative screw rod passes through the template opening, and a gap between the positive and negative screw threads on the positive and negative screw rod is positioned in the template opening.
Preferably, a chute for accommodating the roller group is arranged on the bottom end surface of the balance beam.
Preferably, mounting seats fixed with the lifting cable ropes are arranged on two sides of the top of the balance beam, movable openings used for the front and back screw rods to pass through are arranged on the mounting seats, the rectangular frame is positioned between the two groups of mounting seats, and driving blocks are arranged on the front and back screw rods between the mounting seats and the convex seats.
Preferably, the hem edge extends to the outside of the through hole.
Preferably, a screw hole for the bolt shaft to pass through is formed in the side wall of the rectangular frame, and the bolt shaft is in threaded connection with the screw hole.
The beneficial effects of the utility model are as follows: according to the utility model, the template can limit the displacement amplitude of the convex blocks and the rectangular frame, the rectangular frame can drive the roller group to slide in the sliding groove so as to facilitate the movement of the convex blocks and the rectangular frame, meanwhile, when the rectangular frame drives the hook to move to the designated position, the rectangular frame drives the touch switch to slide into the corresponding mounting hole to be contacted with the touch rod by rotating the bolt, the display lamp assembly is lightened so as to remind the bolt to be mounted in place, the rectangular frame is further prevented from driving the hook to move left and right on the balance beam in a mode of fixing the mounting hole by the bolt, and when a weight is hung on the hook, the rectangular frame can apply gravity on the balance beam through the rectangular frame, and the gap is reserved between the screw and the inner wall of the through hole, so that the rectangular frame can not apply gravity on the threads of the positive and negative screw rod through the convex blocks, thereby improving the safety of the hook.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is a partial cross-sectional view of the balance beam of the present utility model.
In the figure: 1. the balance beam, 2, a hanging cable, 3, a boss, 4, a rectangular frame, 5, a roller group, 6, a hook, 7, a lug, 8, a through hole, 9, a solenoid, 10, a folded edge, 11, a front and back screw rod, 12, a mounting hole, 13, a touch rod, 14, a bolt, 15, a touch switch, 16, a display lamp assembly, 17, a rolling bearing, 18, plates, 19, a chute, 20, a mounting seat, 21 and a driving block.
Detailed Description
The technical scheme of the utility model is further specifically described below by means of examples and with reference to fig. 1-4.
The crane lifting device comprises a balance beam 1, wherein lifting ropes 2 are arranged on two sides of the top of the balance beam 1:
the balance beam 1 both ends all are provided with boss 3, and wherein the rectangle frame 4 has still been overcoat at balance beam 1 both ends, and is provided with roller train 5 in the rectangle frame 4, and is provided with the spout 19 that holds roller train 5 on the bottom face of balance beam 1, rectangle frame 4 bottom is provided with couple 6, and wherein rectangle frame 6 top is provided with lug 7, and is provided with through-hole 8 on the lug 7, be provided with screwed pipe 9 in the through-hole 8, wherein screwed pipe 9 both ends are turned over outward and are had hem 10, and hem 10 border extends to the through-hole 8 outside in order to prevent screwed pipe 9 from sliding out from through-hole 8 to screwed pipe 9 diameter is less than through-hole 8 internal diameter for screwed pipe 9 can reciprocate in the through-hole 8 opening.
The two groups of convex seats 3 above the balance beam 1 are connected through a positive and negative screw rod 11 penetrating through a screw pipe 9, wherein mounting holes 12 are further formed in two side walls of the balance beam 1, a touch press rod 13 is arranged in the inner bottoms of the mounting holes 12, bolts 14 corresponding to the mounting holes 12 are screwed on the side walls of the rectangular frame 4, the tail ends of the rod bodies of the bolts 14 extend into one group of the mounting holes 12, touch press switches 15 which are in contact with the corresponding touch press rods 13 are arranged on the tail ends of the rod bodies of the bolts 14, and the touch press switches 15 are connected with display lamp assemblies 16 on the outer walls of the rectangular frame 4 through wires.
In the embodiment, a rolling bearing 17 for fixing the positive and negative screw rod 11 is arranged on the boss 3, wherein the positive and negative screw rod 11 is in threaded connection with the screw tube 9, and the rolling bearing 17 facilitates the rotation of the positive and negative screw rod 11 when rotating.
In this embodiment, a template 18 is disposed in the middle of the top of the balance beam 1, wherein the front and back screw rods 11 pass through the template 18, and a gap between the forward threads and the reverse threads on the front and back screw rods 11 is located in the template 18.
In this embodiment, mounting seats 20 fixed to the hoist cable 2 are disposed on two sides of the top of the balance beam 1, a movable opening for the front and back screw rod 11 to pass through is disposed on the mounting seats 20, a rectangular frame 4 is located between two groups of mounting seats 20, and a driving block 21 is disposed on the front and back screw rod 11 between the mounting seats 20 and the boss 3.
In this embodiment, a screw hole for the shaft of the bolt 14 to pass through is provided on the side wall of the rectangular frame 4, wherein the shaft of the bolt 14 is in threaded connection with the screw hole.
The application method of the utility model comprises the following steps: the driving block 21 rotates the positive and negative screw rods 11 to rotate in the rolling bearings 17, so that the positive and negative screw rods 11 are driven to displace while the positive and negative screw rods 11 rotate in the screw tubes 9, the distance between the two groups of screw tubes 9 is reduced or enlarged, at the moment, the screw tubes 9 hang the protruding blocks 7 through the folding edges 10 to drive the rectangular frames 4 to move on the balance beam 1, finally, the mode that the moving rectangular frames 4 drive the hooks 6 to move is realized, the distance between the two groups of hooks 6 is changed to meet the use requirements under different conditions, in the process, in order to prevent the screw tubes 9 from rotating together with the positive and negative screw rods 11, the folding edges 10 can be forced to be contracted and stretched through the telescopic rods in a mode of connecting the folding edges 10 with template 18 to prevent the protruding blocks 7 from affecting the displacement of the rectangular frames 4, and meanwhile, the screw tubes 9 can be fixed to prevent the screw tubes 9 from rotating together with the positive and negative screw rods 11.
In the above process, the template 18 can limit the displacement amplitude of the protruding block 7 and the rectangular frame 4, the rectangular frame 4 can also drive the roller group 5 to slide in the chute 19 so as to move, and meanwhile, when the rectangular frame 4 drives the hook 6 to move to the designated position, the rectangular frame 4 drives the touch switch 15 to slide into the corresponding mounting hole 12 to be in contact with the touch rod 13 through rotating the bolt 14, at the moment, the display lamp assembly 16 is lightened so as to remind the bolt 14 to be mounted in place, further, the rectangular frame 4 is prevented from driving the hook 6 to move left and right on the balance beam 1 in a mode of fixing the mounting hole 12 through the bolt 14, and when the hook 6 hangs a heavy object, the rectangular frame 4 acts on the balance beam 1 by gravity through the rectangular frame 4, because a gap is reserved between the coil 9 and the inner wall of the through hole 8, so that the rectangular frame 4 can not act on the threads of the positive and negative screw 11 through the protruding block 7, thereby improving the safety, and the diameter of the shaft of the bolt 14 and the touch switch 15 are smaller than the inner diameter of the mounting hole 12, so that the rectangular frame 4 can not pull the shaft body of the bolt 14 and the inner wall of the mounting hole 12 to severely rub and damage the shaft body.
The foregoing detailed description of the utility model has been presented for purposes of illustration and description, but is not intended to limit the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (7)
1. The utility model provides a hoist plays to rise device, includes the compensating beam, and wherein compensating beam top both sides are provided with hanging cable rope, its characterized in that:
the utility model discloses a display lamp assembly, including rectangular frame, upper and lower support, the compensating beam both ends all are provided with the boss, wherein the compensating beam both ends still overcoat has rectangular frame, and the bottom is provided with the roller group in the rectangular frame, rectangular frame bottom is provided with the couple, and wherein rectangular frame top is provided with the lug, and is provided with the through-hole on the lug, be provided with the screwed pipe in the through-hole, wherein both ends of screwed pipe are all turned over outwards and have the hem, and the screwed pipe diameter is less than the through-hole internal diameter, connect through the positive and negative lead screw that passes the screwed pipe between two sets of boss of compensating beam top, wherein still be provided with the mounting hole on the compensating beam both sides wall, and the bottom is provided with the touch down pole in the mounting hole, the spiro union has the bolt of corresponding mounting hole on the rectangular frame lateral wall, wherein the shaft end of bolt extends to in one of them a set of mounting hole, and be provided with the touch down switch with the touch down on the bolt shaft end with the touch down switch that corresponds on the rectangular frame outer wall, touch down switch through the wire and be connected with the display lamp assembly on the rectangular frame outer wall.
2. A crane lifting device according to claim 1, wherein: the convex seat is provided with a rolling bearing for fixing the positive and negative screw rod, wherein the positive and negative screw rod is in threaded connection with the screw tube.
3. A crane lifting device according to claim 1, wherein: and a template in reverse buckling is arranged in the middle of the top of the balance beam, wherein the positive and negative screw rod passes through an template opening, and a gap between the positive screw thread and the negative screw thread on the positive and negative screw rod is positioned in the template opening.
4. A crane lifting device according to claim 1, wherein: and a chute for accommodating the roller group is arranged on the bottom end surface of the balance beam.
5. A crane lifting device according to claim 1, wherein: the lifting cable rope is characterized in that mounting seats fixed with the lifting cable rope are arranged on two sides of the top of the balance beam, movable openings used for the front and back screw rods to penetrate through are arranged on the mounting seats, a rectangular frame is located between the two groups of mounting seats, and driving blocks are arranged on the front and back screw rods between the mounting seats and the convex seats.
6. A crane lifting device according to claim 1, wherein: the edge of the folded edge extends to the outer side of the through hole.
7. A crane lifting device according to claim 1, wherein: the side wall of the rectangular frame is provided with a screw hole for the bolt shaft to pass through, wherein the bolt shaft is in threaded connection with the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321660082.3U CN220033752U (en) | 2023-06-28 | 2023-06-28 | Crane lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321660082.3U CN220033752U (en) | 2023-06-28 | 2023-06-28 | Crane lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220033752U true CN220033752U (en) | 2023-11-17 |
Family
ID=88723732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321660082.3U Active CN220033752U (en) | 2023-06-28 | 2023-06-28 | Crane lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220033752U (en) |
-
2023
- 2023-06-28 CN CN202321660082.3U patent/CN220033752U/en active Active
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