CN218708616U - General type wheel hub hoist - Google Patents
General type wheel hub hoist Download PDFInfo
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- CN218708616U CN218708616U CN202222808972.6U CN202222808972U CN218708616U CN 218708616 U CN218708616 U CN 218708616U CN 202222808972 U CN202222808972 U CN 202222808972U CN 218708616 U CN218708616 U CN 218708616U
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- lifting
- rod
- hub
- suspension
- seat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a general hub lifting appliance, which relates to the field of lifting devices and comprises a lifting seat, wherein two ends of the lifting seat are symmetrically provided with lifting arms for fastening the inner wall of a hub, the lifting arms are connected with the lifting seat in a sliding way, and the sliding directions of the lifting arms are opposite; and a double-rod hydraulic cylinder is fixed on the lifting seat and positioned between the two lifting arms, and two output rods of the double-rod hydraulic cylinder are respectively connected with the lifting arms at the same side. The utility model discloses the effective length of the wheel hub size change hoist that can lift by crane as required, the length that realizes the hoist matches with wheel hub's mounting hole to guarantee that the hoist also can detain wheel hub's inner wall completely when lifting by crane the wheel hub of equidimension not, reach the purpose of lifting by crane the wheel hub of different models.
Description
Technical Field
The utility model relates to a hoisting accessory, especially a general type wheel hub hoist.
Background
In wind power equipment, a hub is an important part for mounting a blade and a generator, and the hub needs to be lifted during assembly and maintenance before assembly. The outer surface of the hub is usually not provided with lifting lugs, so that a special lifting appliance is usually required to be placed at the mounting hole of the hub, and the lifting appliance is buckled on the inner wall of the hub to realize the lifting of the hub.
Among the wind power equipment of different models (here indicates the size more), wheel hub's size is also different, and its wheel hub's mounting hole size is also different, and to great wheel hub, less hoist can't detain wheel hub's inner wall, and the hoist directly passes from wheel hub's mounting hole department when lifting by crane, leads to wheel hub to lift by crane the failure, and it is comparatively troublesome to change the hoist, can delay on wheel hub's installation and wheel hub's the maintenance production time, influences efficiency. Therefore, a lifting appliance capable of solving the technical problem of 'how to improve the universality of the hub lifting appliance' is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: to the problem that exists, provide a general type wheel hub hoist, the effective length of the wheel hub size change hoist that can lift by crane as required, realize that the length of hoist and the mounting hole of wheel hub match to guarantee that the hoist also can buckle the inner wall of wheel hub completely when lifting by crane the wheel hub of equidimension, reach the purpose of lifting by crane the wheel hub of different models.
The utility model adopts the technical scheme as follows: a general hub lifting appliance comprises a lifting seat, wherein two ends of the lifting seat are symmetrically provided with lifting arms used for buckling the inner wall of a hub, the lifting arms are connected with the lifting seat in a sliding mode, and the sliding directions of the two lifting arms are opposite; and a double-rod hydraulic cylinder is fixed on the lifting seat and positioned between the two lifting arms, and two output rods of the double-rod hydraulic cylinder are respectively connected with the lifting arms at the same side.
Furthermore, a sliding groove matched with the size of the suspension arm is formed in the suspension seat, and the suspension arm is connected with the sliding groove in a sliding mode.
Furthermore, a supporting block is arranged in the chute, the supporting block is positioned between the suspension arm and the double-rod hydraulic rod, and the supporting block supports an output rod of the double-rod hydraulic rod.
Further, a linear motion bearing is arranged between the supporting block and an output rod of the double-rod hydraulic rod.
Furthermore, the front end of the suspension arm is provided with a buckle plate for fastening the hub, and the buckle plate is L-shaped.
Furthermore, a stress rod for connecting a hoisting device is arranged on the lifting seat, and the axis of the stress rod is positioned on the mirror image surfaces of the two lifting arms.
Furthermore, the front end of the suspension arm is rotatably connected with a support rod, the lower end of the suspension seat is provided with a support slide rail, the allowable sliding direction of the support slide rail is vertical, the other end of the support rod is slidably connected with the support slide rail, and the support slide rail is provided with a locking piece for locking the other end of the support rod.
Furthermore, a reinforcing piece for reinforcing the strength of the hanging seat is arranged on the hanging seat. .
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model changes the effective length of the lifting appliance by the symmetrically arranged lifting arms and the sliding of the lifting arms, thereby realizing that the lifting appliance is matched with the diameter of the hub mounting hole and ensuring that the lifting arms of the lifting appliance can be fastened with the inner wall of the hub; the length of the suspension arm extending out of the suspension seat is adjusted, so that the suspension arm is suitable for various types of hubs, and the adaptive lifting appliance is not required to be replaced when the hubs are installed and maintained, thereby improving the efficiency;
2. the utility model discloses a set up the two pole pneumatic cylinders, two pole hydraulic stem drive davit motions and can realize two davit synchronous motion, hoist force-bearing position is usually on the plane of symmetry of hoist, and the two pole pneumatic cylinders make hoist wait self-adaptation when the installation with the plane of symmetry of hoist and wheel hub's plane of symmetry coplane (the plane of symmetry at the centre of a circle place of wheel hub mounting hole), guarantee the hoist when lifting by crane wheel hub, the arm of force at the both ends of hoist is the same.
Drawings
Fig. 1 is a schematic structural view of a wheel hub mentioned in the background of the present invention;
fig. 2 is a schematic structural diagram of the spreader disclosed by the present invention;
fig. 3 is a schematic top view of the spreader of the present disclosure;
the mark in the figure is: 1-hanging a seat; 2-a stress bar; 3-a reinforcement; 4-buckling plate; 5-suspension arm; 6-support rods; 7-supporting the slide rail; 8-a locking element; 9-linear motion bearings; 10-a chute; 11-double rod hydraulic cylinder; 12-support block.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, a general hub spreader includes a spreader 1, the spreader 1 is a part for connecting a lifting device, and plays a role of a force-bearing part, the structures at the two ends of the spreader 1 are arranged in mirror symmetry with respect to the middle surface of the spreader 1, and the force-bearing point of the lifting device is usually on the middle surface of the spreader 1, so as to ensure that the gravity center of the spreader 1 is in the force-bearing direction of the lifting device, and the lengths of the force arms are the same when the two ends of the spreader 1 are stressed; the suspension arms 5 used for fastening the inner wall of the hub are symmetrically arranged at two ends of the suspension seat 1, and the symmetrical surfaces of the two suspension arms 5 which are symmetrical to each other are coplanar with the middle surface of the suspension seat 1, so that the force arms of the lifting appliance are the same when the two suspension arms 5 are stressed; the suspension arms 5 are connected with the suspension seat 1 in a sliding manner, and the sliding directions of the two suspension arms 5 are opposite; a double-rod hydraulic cylinder 11 is fixed on the hanging seat 1, the double-rod hydraulic cylinder 11 is positioned between the two suspension arms 5, two output rods of the double-rod hydraulic cylinder 11 are respectively connected with the suspension arms 5 on the same side, and the double-rod hydraulic cylinder 11 drives the two suspension arms 5 to extend out or retract into the hanging seat 1 simultaneously.
Specifically, as shown in fig. 2, a general hub spreader operates as follows:
for a larger hub, the size of a mounting hole of the hub is larger, the double-rod hydraulic cylinder 11 is fed with oil, output rods at two ends of the double-rod hydraulic cylinder 11 are pushed out at the same movement speed, the output rods drive the suspension arms 5 to move and extend out of the suspension seat 1, the effective length of the lifting appliance is increased, the effective length of the lifting appliance is matched with the size of the mounting hole of the hub, the suspension arms 5 are buckled on the inner wall of the hub to restrain the hub, the lifting appliance lifts the lifting appliance, and the lifting appliance drives the hub to move; on the contrary, for a smaller hub, the size of the mounting hole is smaller, the double-rod hydraulic cylinder 11 produces oil, the output rods at two ends of the double-rod hydraulic cylinder 11 are withdrawn at the same movement speed, the output rods drive the suspension arms 5 to move and are withdrawn to the suspension base 1, the effective length of the added lifting appliance is reduced, the effective length of the lifting appliance is matched with the size of the mounting hole of the hub, the suspension arms 5 are buckled on the inner wall of the hub to restrain the hub, the lifting appliance is lifted by the lifting appliance, and the lifting appliance drives the hub to move; in conclusion, the effective length of the lifting appliance is changed by the sliding of the lifting arm 5, so that the lifting appliance is matched with the diameter of the hub mounting hole, and the lifting arm 5 of the lifting appliance can be fastened with the inner wall of the hub; through adjusting the length that the suspension arm 5 stretches out of the suspension seat 1, the suspension arm 5 is suitable for various types of wheel hubs, and the adaptive lifting appliance is not required to be replaced when the wheel hubs are installed and maintained, so that the efficiency is improved.
It should be noted that the double-rod hydraulic rod drives the suspension arms 5 to move and can realize the synchronous movement of the two suspension arms 5, the stress position of the lifting appliance is usually on the symmetric plane of the lifting appliance, and the double-rod hydraulic cylinder 11 makes the symmetric plane of the lifting appliance and the symmetric plane of the hub coplanar in a self-adaptive manner when the lifting appliance is installed, so as to ensure that the moment arms at the two ends of the lifting appliance are the same when the lifting appliance lifts the hub.
In the embodiment, in order to realize the sliding connection between the suspension arm 5 and the suspension base 1, a sliding groove 10 matching with the size of the suspension arm 5 is formed on the suspension base 1, and the suspension arm 5 is slidably connected with the sliding groove 10.
It should be noted that the geometric dimensions of the chute 10 are matched for the purpose of:
when the wheel hub is lifted by the lifting appliance, the end part of the lifting arm 5 is impacted by the gap between the lifting arm 5 and the lifting appliance, and the lifting arm 5 is prevented from being inclined downwards to enable the lifting arm 5 to have a component force along the sliding direction of the lifting arm 5, so that the lifting arm 5 is prevented from sliding when lifted, and the stability of the lifting wheel hub is ensured.
In this embodiment, the double-rod hydraulic cylinder 11 may fluctuate when driving the boom 5 to move, in order to reduce the fluctuation, a support block 12 is disposed in the chute 10, the support block 12 is located between the boom 5 and the double-rod hydraulic cylinder, the support block 12 supports an output rod of the double-rod hydraulic cylinder, and the support block 12 supports an output shaft of the double-rod hydraulic cylinder 11, so as to improve the motion stability of the double-rod hydraulic cylinder 11 driving the boom 5.
In this embodiment, the support block 12 is arranged to increase the friction force applied to the surface of the output shaft of the dual-rod hydraulic cylinder 11, and in order to reduce the friction force applied to the surface of the output shaft of the dual-rod hydraulic cylinder 11, a linear motion bearing 9 is arranged between the support block 12 and the output rod of the dual-rod hydraulic cylinder 11, and the linear motion bearing 9 is a bearing known to those skilled in the art, and allows linear motion, so as to reduce the friction force applied to the support block 12 and the surface of the output shaft of the dual-rod hydraulic cylinder 11.
In this embodiment, the front end of davit 5 all is provided with buckle 4 that is used for lock joint wheel hub, and buckle 4's structure is the same with the inner wall structure of wheel hub's mounting hole department, usually buckle 4's shape is "L" type, and buckle 4 of "L" type can match most wheel hub inner wall on the market, and the wheel hub inner wall is by buckle 4 lock joint of "L" type, and buckle 4 supports wheel hub.
In this embodiment, the suspension seat 1 is provided with a stress rod 2 for connecting a hoisting device, the hoisting device applies a force to the stress rod 2, the stress rod 2 transmits the force to the suspension seat 1, and the axis of the stress rod 2 is located on the mirror image surfaces of the two suspension arms 5, so that the possibility of inclination of the suspension device during hub hoisting is avoided, or the inclination angle is reduced.
In this embodiment, when the lifting appliance lifts the hub, the lifting appliance is subjected to a downward acting force of the hub, so that a part of the suspension arm 5, which is close to the hub, has a downward rotating movement tendency, in order to improve the stress capacity of the suspension arm 5 when the lifting appliance lifts the hub and maintain the position of the suspension arm 5, the front end of the suspension arm 5 is rotatably connected with a support rod 6, the lower end of the lifting seat 1 is provided with a support slide rail 7, the allowable sliding direction of the support slide rail 7 is a vertical direction, the other end of the support rod 6 is slidably connected with the support slide rail 7, and the support slide rail 7 is provided with a locking piece 8 for locking the other end position of the support rod 6.
Specifically, the locking piece 8 is a screw rod, the screw rod is in threaded connection with the bottom of the support slide rail 7, and the screw rod abuts against the other end of the support rod 6, so that the purpose of limiting the downward movement of the other end of the support rod 6 along the support slide rail 7 is achieved; the support rod 6, the hanging seat 1, the hanging arm 5 and the support slide rail 7 form a triangular stable support structure, and the stress capacity of the hanging arm 5 is improved.
In the present embodiment, as described above, as shown in fig. 2-3, the part of the boom 5 near the hub has a downward turning tendency, and the part of the boom 5 in the suspension base 1 has an upward turning tendency, and in order to strengthen the suspension base 1 to restrain the boom 5, the suspension base 1 is provided with the stiffener 3 for strengthening the strength of the suspension base 1.
In this embodiment, the reinforcing member 3 includes a transverse member and a longitudinal member, both of which are mounted on the upper outer wall of the hanging seat 1, so as to reinforce the strength of the hanging seat 1.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a general type hub hoist which characterized in that: the wheel hub suspension device comprises a suspension seat (1), wherein suspension arms (5) used for fastening the inner wall of a wheel hub are symmetrically arranged at two ends of the suspension seat (1), the suspension arms (5) are connected with the suspension seat (1) in a sliding mode, and the sliding directions of the two suspension arms (5) are opposite; a double-rod hydraulic cylinder (11) is fixed on the hanging seat (1), the double-rod hydraulic cylinder (11) is located between the two hanging arms (5), and two output rods of the double-rod hydraulic cylinder (11) are respectively connected with the hanging arms (5) on the same side.
2. The universal hub spreader according to claim 1, wherein: the hanging seat (1) is provided with a sliding groove (10) matched with the hanging arm (5) in size, and the hanging arm (5) is in sliding connection with the sliding groove (10).
3. Universal hub spreader according to claim 2, wherein: a supporting block (12) is arranged in the sliding groove (10), the supporting block (12) is located between the suspension arm (5) and the double-rod hydraulic rod, and the supporting block (12) supports an output rod of the double-rod hydraulic rod.
4. The universal hub spreader according to claim 3, wherein: and a linear motion bearing (9) is arranged between the supporting block (12) and the output rod of the double-rod hydraulic rod.
5. The universal hub spreader according to claim 1, wherein: the front end of the suspension arm (5) is provided with a buckle plate (4) used for buckling a wheel hub, and the shape of the buckle plate (4) is L-shaped.
6. The universal hub spreader according to claim 1, wherein: the crane is characterized in that a stress rod (2) used for being connected with a hoisting device is arranged on the crane base (1), and the axis of the stress rod (2) is located on the mirror image surfaces of the two crane arms (5).
7. The universal hub spreader according to claim 1, wherein: the front end of davit (5) rotates and is connected with bracing piece (6), the lower extreme of hanging seat (1) is provided with supports slide rail (7), and the slip direction that should support slide rail (7) and allow is vertical direction, the other end of bracing piece (6) with support slide rail (7) sliding connection, be provided with on the support slide rail (7) and be used for the locking piece (8) of bracing piece (6) other end position.
8. The universal hub spreader according to claim 1, wherein: the lifting seat (1) is provided with a reinforcing piece (3) for reinforcing the strength of the lifting seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222808972.6U CN218708616U (en) | 2022-10-25 | 2022-10-25 | General type wheel hub hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222808972.6U CN218708616U (en) | 2022-10-25 | 2022-10-25 | General type wheel hub hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218708616U true CN218708616U (en) | 2023-03-24 |
Family
ID=85589044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222808972.6U Active CN218708616U (en) | 2022-10-25 | 2022-10-25 | General type wheel hub hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218708616U (en) |
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2022
- 2022-10-25 CN CN202222808972.6U patent/CN218708616U/en active Active
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