CN214456123U - Combined lifting appliance - Google Patents
Combined lifting appliance Download PDFInfo
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- CN214456123U CN214456123U CN202023234087.9U CN202023234087U CN214456123U CN 214456123 U CN214456123 U CN 214456123U CN 202023234087 U CN202023234087 U CN 202023234087U CN 214456123 U CN214456123 U CN 214456123U
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- lifting
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- thrust bearing
- hoisting
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Abstract
The utility model discloses a modular hoist relates to hoisting equipment technical field. The utility model comprises a movable pulley block, a first hanging beam and a hanging shaft, wherein the movable pulley block is fixedly arranged on the first hanging beam, and the central line of the movable pulley block is superposed with the central line of the first hanging beam; the lifting shaft is arranged on the first lifting beam, and the axis of the lifting shaft is superposed with the center line of the first lifting beam; the upper end of the lifting shaft is inserted into the first lifting beam, and the lower end of the lifting shaft extends below the first lifting beam; the upper end of the lifting shaft is rotatably connected to the first lifting beam through a rotating connection assembly. The utility model discloses a provide long hoisting point apart from hoisting point and short hoisting point apart from hoisting point simultaneously in a hoist, under total load lifting capacity does not exceed rated load lifting capacity prerequisite, each hoisting point rated load lifting capacity can be confirmed according to the hoist and mount needs, and the hoist and mount security is good. Meanwhile, the function that the short hoisting point can rotate away from the hoisting point can meet hoisting operation of some special requirements.
Description
Technical Field
The utility model relates to a hoisting equipment technical field, more specifically say and relate to a modular hoist.
Background
Generally, when two lifting points are needed to be matched with each other for lifting and hoisting, two lifting hooks are generally adopted for realizing the lifting and hoisting operation, such as a main hook and an auxiliary hook of one crane or a main hook of two cranes. When the main hook of two cranes is adopted, the requirement on the hoisting space is strict, and when the hoisting space is not large enough, the hoisting cannot be realized.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that exists among the above-mentioned prior art, the utility model provides a modular hoist, the utility model discloses an easily cause the incident when the jack-up hoist and mount operation needs two kinds of hoisting points apart from hoisting point cooperation operation among the above-mentioned prior art to and have the problem of requirement to hoist and mount space size. The utility model provides a modular hoist, the better above-mentioned problem of having solved, the utility model discloses a provide long hoisting point apart from hoisting point and short hoisting point apart from hoisting point simultaneously in a hoist, under total load lifting capacity is no longer than rated load lifting capacity prerequisite, each hoisting point rated load lifting capacity can be confirmed according to the hoist and mount needs, and the hoist and mount security is good. Meanwhile, the function that the short hoisting point can rotate away from the hoisting point can meet hoisting operation of some special requirements.
In order to solve the problems existing in the prior art, the utility model discloses a realize through following technical scheme:
a combined lifting appliance comprises a movable pulley block, a first lifting beam and a lifting shaft, wherein the movable pulley block is fixedly arranged on the first lifting beam, and the center line of the movable pulley block is superposed with the center line of the first lifting beam; the lifting shaft is arranged on the first lifting beam, and the axis of the lifting shaft is superposed with the center line of the first lifting beam; the upper end of the lifting shaft is inserted into the first lifting beam, and the lower end of the lifting shaft extends below the first lifting beam; the upper end of the lifting shaft is rotatably connected to the first lifting beam through a rotating connection assembly.
The rotary connection assembly comprises a clamping ring, a pressing plate, a thrust bearing and a thrust bearing base, the thrust bearing base is fixedly arranged on the first hanging beam, an inner ring of the clamping ring is embedded into a clamping groove in the upper end of the hanging shaft, an outer ring of the clamping ring is located on the pressing plate, the clamping ring is connected with the pressing plate through bolts, and the thrust bearing is arranged between the pressing plate and the thrust bearing base.
The pressure plate is provided with a protective cover, the upper end of the protective cover is fixed on the pressure plate, the lower end of the protective cover extends towards the direction of the thrust bearing base, and the thrust bearing is arranged in the protective cover.
Two fixed lifting lugs are arranged at the bottoms of the two ends of the first lifting beam in a centrosymmetric manner.
And a rotary lifting lug is arranged at the lower part of the lifting shaft.
The lower end of the lifting shaft is fixedly connected with a second lifting beam, the axis of the lifting shaft is superposed with the center line of the second lifting beam, and two rotary lifting lugs are arranged at two ends of the second lifting beam in a centrosymmetric manner.
Compared with the prior art, the utility model discloses profitable technological effect who brings shows:
1. the utility model provides a long hoisting point and a short hoisting point in one hanger, wherein two fixed lifting lugs under the first hanging beam are the long hoisting point and the short hoisting point, and two rotary lifting lugs under the second hanging beam are the short hoisting point and the short hoisting point; on the premise that the total lifting capacity does not exceed the rated lifting capacity, the rated lifting capacity of each lifting point can be determined according to lifting requirements, and the lifting safety is good. Meanwhile, the function that the short hoisting point can rotate away from the hoisting point can meet hoisting operation of some special requirements.
2. The hanging beam is provided with a movable pulley device, and a steel wire rope is wound on the movable pulley to drive the lifting appliance to lift. The long lifting point distance lifting lugs are arranged at two ends of the lifting beam and are fixed lifting lugs, the lifting shaft is suspended below the lifting beam through a thrust bearing device and is rigidly connected with the lifting beam, and the short lifting point distance lifting lugs are arranged at two ends of the lifting beam and are rotary lifting lugs. Namely, the distance between the lifting point and the lifting lug can rotate along with the lifting shaft and the lifting beam around the center of the movable pulley through a thrust bearing.
3. The rotary connection assembly is composed of a thrust bearing base, a thrust bearing, a pressing plate, a clamping ring and a protective cover, the thrust bearing base is installed on a hanging beam and supports the thrust bearing, a hanging shaft is supported on the thrust bearing through the clamping ring and the pressing plate, and the hanging shaft can rotate around the center of the thrust bearing. The rotation of the hanging shaft can be suitable for hanging under special working conditions. The utility model discloses rotatory coupling assembling's structure can ensure to hang a pivoted stability.
4. The rotary lifting lug can be set to a single lifting point according to lifting requirements, namely, a second lifting beam is cancelled, and the rotary lifting lug is directly arranged at the bottom of the lifting shaft. Forming a spreader with three suspension points.
Drawings
Fig. 1 is a schematic view of the overall structure of the modular spreader of the present invention;
fig. 2 is a schematic view of a connection structure of a rotary connection assembly in the modular spreader of the present invention;
fig. 3 is a schematic structural view of three lifting points of the combined lifting appliance of the present invention;
reference numerals: 1. the movable pulley block, 2, first hanging beam, 3, hanging shaft, 4, swivelling joint subassembly, 5, snap ring, 6, clamp plate, 7, thrust bearing, 8, base, 9, draw-in groove, 10, protection casing, 11, fixed lug, 12, rotatory lug, 13, second hanging beam.
Detailed Description
The technical solution of the present invention will be further elaborated with reference to the drawings attached to the description.
Example 1
As a preferred embodiment of the present invention, referring to the attached fig. 1 of the specification, the present embodiment discloses: a combined lifting appliance comprises a movable pulley block 1, a first lifting beam 2 and a lifting shaft 3, wherein the movable pulley block 1 is fixedly arranged on the first lifting beam 2, and the center line of the movable pulley block 1 is superposed with the center line of the first lifting beam 2; the lifting shaft 3 is arranged on the first lifting beam 2, and the axis of the lifting shaft 3 is superposed with the center line of the first lifting beam 2; the upper end of the hanging shaft 3 is inserted into the first hanging beam 2, and the lower end extends to the lower part of the first hanging beam 2; the upper end of the hanging shaft 3 is rotatably connected to the first hanging beam 2 through a rotary connecting assembly 4. In this embodiment, a long-hoisting-point-distance hoisting point and a short-hoisting-point-distance hoisting point are provided in one hoisting device at the same time, two fixed lifting lugs 11 under the first hoisting beam 2 are the long-hoisting-point-distance hoisting points, and two rotary lifting lugs 12 under the second hoisting beam 13 are the short-hoisting-point-distance hoisting points; on the premise that the total lifting capacity does not exceed the rated lifting capacity, the rated lifting capacity of each lifting point can be determined according to lifting requirements, and the lifting safety is good. Meanwhile, the function that the short hoisting point can rotate away from the hoisting point can meet hoisting operation of some special requirements.
Example 2
As another preferred embodiment of the present invention, referring to fig. 1 and 2 of the specification, the present embodiment discloses: a combined lifting appliance comprises a movable pulley block 1, a first lifting beam 2 and a lifting shaft 3, wherein the movable pulley block 1 is fixedly arranged on the first lifting beam 2, and the center line of the movable pulley block 1 is superposed with the center line of the first lifting beam 2; the lifting shaft 3 is arranged on the first lifting beam 2, and the axis of the lifting shaft 3 is superposed with the center line of the first lifting beam 2; the upper end of the hanging shaft 3 is inserted into the first hanging beam 2, and the lower end extends to the lower part of the first hanging beam 2; the upper end of the hanging shaft 3 is rotatably connected to the first hanging beam 2 through a rotary connecting assembly 4. As shown in fig. 2, the rotating connection assembly 4 includes a clamping ring 5, a pressing plate 6, a thrust bearing 7 and a thrust bearing base 8, the thrust bearing base 8 is fixedly arranged on the first hanging beam 2, an inner ring of the clamping ring 5 is embedded into a clamping groove 9 at the upper end of the hanging shaft 3, an outer ring of the clamping ring 5 is arranged on the pressing plate 6, the clamping ring 5 is connected with the pressing plate 6 through a bolt, and the thrust bearing 7 is arranged between the pressing plate 6 and the thrust bearing base 8. The pressure plate 6 is provided with a protective cover 10, the upper end of the protective cover 10 is fixed on the pressure plate 6, the lower end of the protective cover extends towards the direction of the thrust bearing base 8, and the thrust bearing 7 is arranged in the protective cover 10. Two fixed lifting lugs 11 are arranged at the bottoms of the two ends of the first lifting beam 2 in a centrosymmetric manner. The lower end of the hanging shaft 3 is fixedly connected with a second hanging beam 13, the axis of the hanging shaft 3 is superposed with the central line of the second hanging beam 13, and two rotary lifting lugs 12 are arranged at the two ends of the second hanging beam 13 in a centrosymmetric manner.
Example 3
As another preferred embodiment of the present invention, referring to fig. 1 and 2 of the specification, the present embodiment discloses: a combined lifting appliance comprises a movable pulley block 1, a first lifting beam 2 and a lifting shaft 3, wherein the movable pulley block 1 is fixedly arranged on the first lifting beam 2, and the center line of the movable pulley block 1 is superposed with the center line of the first lifting beam 2; the lifting shaft 3 is arranged on the first lifting beam 2, and the axis of the lifting shaft 3 is superposed with the center line of the first lifting beam 2; the upper end of the hanging shaft 3 is inserted into the first hanging beam 2, and the lower end extends to the lower part of the first hanging beam 2; the upper end of the hanging shaft 3 is rotatably connected to the first hanging beam 2 through a rotary connecting assembly 4. As shown in fig. 2, the rotating connection assembly 4 includes a clamping ring 5, a pressing plate 6, a thrust bearing 7 and a thrust bearing base 8, the thrust bearing base 8 is fixedly arranged on the first hanging beam 2, an inner ring of the clamping ring 5 is embedded into a clamping groove 9 at the upper end of the hanging shaft 3, an outer ring of the clamping ring 5 is arranged on the pressing plate 6, the clamping ring 5 is connected with the pressing plate 6 through a bolt, and the thrust bearing 7 is arranged between the pressing plate 6 and the thrust bearing base 8. The pressure plate 6 is provided with a protective cover 10, the upper end of the protective cover 10 is fixed on the pressure plate 6, the lower end of the protective cover extends towards the direction of the thrust bearing base 8, and the thrust bearing 7 is arranged in the protective cover 10. Two fixed lifting lugs 11 are arranged at the bottoms of the two ends of the first lifting beam 2 in a centrosymmetric manner. As shown in fig. 3, a rotary lifting lug 12 is provided at the lower part of the lifting shaft 3.
Example 4
A combined lifting appliance mainly comprises a movable pulley block 1, a first lifting beam 2, a fixed lifting lug 11, a rotary connecting assembly 4, a lifting shaft 3, a second lifting beam 13 and a rotary lifting lug 12, and is shown in the attached figure 1. The hanging beam is provided with a movable pulley block 1, and a steel wire rope is wound on the movable pulley block to drive the lifting appliance to lift. The long lifting point distance lifting lugs are arranged at two ends of the first lifting beam 2 and are fixed lifting lugs, the lifting shaft 3 is suspended below the first lifting beam 2 through the rotating connecting component 4, the lifting shaft 3 is rigidly connected with the second lifting beam 13, and the short lifting point distance lifting lugs are arranged at two ends of the second lifting beam 13 and are rotating lifting lugs 12. Namely, the distance between the lifting point and the lifting lug can rotate along with the lifting shaft 3 and the second lifting beam 13 around the center of the movable pulley through the rotating connecting assembly 4. The rotating connection assembly 4 mainly comprises a thrust bearing base 8, a thrust bearing 7, a pressing plate 6, a clamping ring 5 and a protective cover 10, wherein the thrust bearing base 8 is installed on the first hanging beam 2 and supports the thrust bearing 7, the hanging shaft 3 is supported on the thrust bearing 7 through the clamping ring 5 and the pressing plate 6, and the hanging shaft 3 can rotate around the center of the thrust bearing 7. See figure 2. The rotary lifting lug 12 can also be arranged as a single lifting point according to the lifting requirement, i.e. the second lifting beam 13 is eliminated, and the rotary lifting lug 12 is directly arranged at the bottom of the lifting shaft 3, see the attached figure 3.
Claims (6)
1. A combined lifting appliance is characterized in that: the movable pulley block (1) is fixedly arranged on the first hanging beam (2), and the center line of the movable pulley block (1) is superposed with the center line of the first hanging beam (2); the lifting shaft (3) is arranged on the first lifting beam (2), and the axis of the lifting shaft (3) is superposed with the center line of the first lifting beam (2); the upper end of the hanging shaft (3) is inserted into the first hanging beam (2), and the lower end extends to the lower part of the first hanging beam (2); the upper end of the lifting shaft (3) is rotatably connected to the first lifting beam (2) through a rotating connection assembly (4).
2. A modular spreader according to claim 1, in which: rotating connection subassembly (4) include snap ring (5), clamp plate (6), thrust bearing (7) and thrust bearing base (8), thrust bearing base (8) set firmly on first hanging beam (2), and in the draw-in groove (9) of the inner circle embedding hanging shaft (3) upper end of snap ring (5), the outer lane of snap ring (5) is located clamp plate (6), and passes through bolted connection between snap ring (5) and clamp plate (6), thrust bearing (7) set up between clamp plate (6) and thrust bearing base (8).
3. A modular spreader according to claim 2, in which: install protection casing (10) on clamp plate (6), the upper end of protection casing (10) is fixed on clamp plate (6), and the lower extreme extends to thrust bearing base (8) direction, thrust bearing (7) are arranged in protection casing (10).
4. A modular spreader according to claim 1, in which: the bottom parts of the two ends of the first hanging beam (2) are provided with two fixed lifting lugs (11) in central symmetry.
5. A modular spreader according to claim 1, in which: the lower part of the hanging shaft (3) is provided with a rotary lifting lug (12).
6. A modular spreader according to claim 1, in which: the lower end of the lifting shaft (3) is fixedly connected with a second lifting beam (13), the axis of the lifting shaft (3) is superposed with the center line of the second lifting beam (13), and two rotary lifting lugs (12) are arranged at the two ends of the second lifting beam (13) in a centrosymmetric manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023234087.9U CN214456123U (en) | 2020-12-29 | 2020-12-29 | Combined lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023234087.9U CN214456123U (en) | 2020-12-29 | 2020-12-29 | Combined lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214456123U true CN214456123U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023234087.9U Active CN214456123U (en) | 2020-12-29 | 2020-12-29 | Combined lifting appliance |
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| CN (1) | CN214456123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114030974A (en) * | 2021-11-04 | 2022-02-11 | 中广核研究院有限公司 | Reactor main equipment hoisting tool |
-
2020
- 2020-12-29 CN CN202023234087.9U patent/CN214456123U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114030974A (en) * | 2021-11-04 | 2022-02-11 | 中广核研究院有限公司 | Reactor main equipment hoisting tool |
| CN114030974B (en) * | 2021-11-04 | 2024-01-09 | 中广核研究院有限公司 | Hoisting tool for reactor main equipment |
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