CN210854998U - Winch head sheave with hoisting accessory - Google Patents
Winch head sheave with hoisting accessory Download PDFInfo
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- CN210854998U CN210854998U CN201921371118.XU CN201921371118U CN210854998U CN 210854998 U CN210854998 U CN 210854998U CN 201921371118 U CN201921371118 U CN 201921371118U CN 210854998 U CN210854998 U CN 210854998U
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Abstract
The utility model discloses a winch head sheave with a hoisting device, which comprises a hub, a main shaft, a hoisting device for preventing the winch head sheave from being damaged by turning over and a stay cord; the hub is sleeved on the spindle body; the lifting device is detachably connected to the first end face of the main shaft; the pull rope is sleeved on the shaft body of the second end of the main shaft; the first lifting hook head is connected with the lifting device; the second hook head is connected with the pull rope; when the winch head sheave stands up, the crane passes through the lifting hook head to the effort of winch head sheave, on whole acting the main shaft, whole process of lifting by crane does not have any contact with head sheave wheel hub, avoids this effort to act on wheel hub effectively for wheel hub takes place to warp, the utility model discloses, guaranteed the integrality of the winch head sheave after standing up.
Description
Technical Field
The utility model relates to a winch head sheave stands up technical field, specifically is a winch head sheave with hoisting accessory.
Background
Turning over the head sheave is involved in the mounting and replacing processes of the head sheave, namely, a main shaft of the head sheave is perpendicular to the ground and is turned over to be parallel to the ground, and then a 500t crane is adopted to hoist the head sheave to a derrick. The overturning is a work with a large danger degree, the adopted mode method is unreasonable and can easily cause the hub damage or the bearing damage of the head sheave, the hub or the bearing fracture and the like can be caused more seriously, and the quality of the head sheave is seriously damaged.
Referring to fig. 1-a, 1-b and 1-c, a distance bolt is welded between the wheel hubs 1 close to the rope groove 11 in the winch head sheave, when the winch head sheave is lifted to turn over, the steel wire ropes are respectively inserted into the two sides of the wheel hubs 1, and then the wheel hubs are connected with two hook heads with different hook forces, and then the winch head sheave is turned over under the operation of a crane, and the main shaft 2 is changed from a vertical state to a horizontal state.
Before the winch head sheave is lifted, firstly, welded distance bolts are used for preventing a hub from deforming under the action of the tensile force of a steel wire rope in the turning process, so that the distance between the hubs is changed, but the welded part between the welded part and the hub is easy to deform when the distance bolts are welded, the steel wire rope penetrates through the hub, although the distance bolts keep the distance between the hubs unchanged, the acting force given by a crane is still applied to the hub, and the distance bolts can only prevent the hub from deforming to a certain extent and cannot completely stop the deformation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: how to solve when the winch head sheave stands up, hoisting accessory causes the harm to the wheel hub or the bearing of head sheave, and then takes place to warp and influence its problem of use.
In order to solve the technical problem, the utility model provides a following technical scheme: a winch head sheave with a hoisting device comprises a hub, a main shaft, the hoisting device for preventing the winch head sheave from turning over the hub and being damaged, and a pull rope; the hub is sleeved on the spindle body; the lifting device is detachably connected to the first end face of the main shaft; the pull rope is sleeved on the shaft body of the second end of the main shaft; the first lifting hook head is connected with the lifting device; the second hook head is connected with the pull rope.
When the head sheave of the winch is turned over, the acting force of the crane on the winch head sheave through the hook head is completely acted on the main shaft, the whole lifting process has no contact with the hub of the head sheave, the acting force is effectively prevented from acting on the hub, the hub is deformed, and the use of the winch head sheave is further influenced.
Preferably, the lifting device comprises a gland plate, at least two rib plates, a lifting column, a lifting ring and a locking mechanism for locking the gland plate to the end face of the main shaft; the locking mechanism is arranged between the end surface of the main shaft and the plate surface of the gland plate; the hoisting column is welded at the center of the plate surface of the gland plate; the rib plates are in a right-angle trapezoid shape, and right-angle edges of the rib plates are fixed on the plate surface of the gland plate; the larger bottom edge of the rib plate is radially fixed around the lifting column by taking the lifting column as the center; the lifting column is provided with a through lifting ring mounting hole along the width direction; the lifting ring penetrates through the lifting ring mounting hole; the lifting ring is connected with the first lifting hook head.
Preferably, the locking mechanism comprises a locking bolt and a pressing bolt hole formed in the pressing cover plate; the locking bolt is in threaded fit with the pressing bolt hole; a threaded hole in threaded fit with the locking bolt is formed in the end face of the main shaft; the threaded hole is coaxial with the hold-down bolt hole.
The locking bolts are sequentially screwed into the pressing bolt holes and the threaded holes, so that a pressing cover plate in lifting is locked on a main shaft, a pull rope is bound on a shaft body at the second end of the main shaft, a first lifting hook head is connected with a lifting ring, a second lifting hook head is connected with the pull rope, 100t of lifting hook force is applied to the first lifting hook head, 50t of lifting hook force is applied to the second lifting hook head, the main shaft is slowly lifted and turned over, the lifting hook force acts on two ends of the main shaft when the main shaft is turned over, a hub is not in contact with the lifting device, and distance bolts do not need to be welded between the hubs when the winch head sheave is turned over, so that the welded part is prevented from being deformed.
Preferably, the locking mechanism is mounted on the end face of the first end of the main shaft; the locking mechanism comprises a movable lock catch and a limiting component for limiting the rotation of the movable lock catch; the movable lock catches are multiple in number, surround the axis of the main shaft and are rotatably connected to the edge of the end face of the first end of the main shaft through a rotating shaft; the limiting component is arranged on the side of the movable lock catch.
Preferably, the limiting assembly comprises a fixed catch arranged on one side of the movable lock catch, a movable catch arranged on the other side of the movable lock catch and a spring; the fixed stop pillar is fixed at the edge of the end face of the first end of the main shaft; the movable stop column is connected to the end face of the first end of the main shaft through a spring.
After the pressing cover plate is attached to the end face of the first end of the main shaft, the movable lock catch is rotated and locks the pressing cover plate, the pressing cover plate is prevented from being separated, meanwhile, the spring pushes the movable blocking column to rise, the movable lock catch is prevented from rotating, and the convenience in dismounting and mounting of the lifting device is improved.
Preferably, the lifting device further comprises an elastic piece; one end of the elastic piece is fixed on the wall of the hanging ring mounting hole; the other end of the elastic piece is welded on the hanging ring.
When the crane drives the lifting ring to ascend through the first lifting hook head, the elastic piece between the lifting ring and the lifting column is elastically deformed by tensile force, the tensile force is slowly transmitted to the lifting column and the pressing cover plate under the elastic action of the elastic piece, and finally the first end of the winch head sheave main shaft is pulled up, so that the situation that a crane operator is too fierce in operation, the lifting ring or a steel wire rope connected with the first lifting hook head is damaged, and the winch head sheave falls off from the first lifting hook head to cause dangerous accidents is avoided.
Preferably, the main shaft further comprises shaft covers clamped at two ends of the main shaft.
When the winch head sheave is turned over, the winch head sheave is initially placed on a head sheave retainer, the axis of a head sheave main shaft is vertical, a bolt on a shaft cover at one end of the main shaft is detached, and the shaft cover and the bolt are placed in a place which does not interfere with construction, so that the winch head sheave can be used when the head sheave is installed after being turned over; hoisting the hoisting device to the upper end of the head sheave retainer by using a crane, and connecting the hoisting device; attaching the end face of a middle pressure cover plate of the lifting device and the end face of a main shaft of the dismounting shaft cover together, and locking the two firmly by using a locking mechanism; connecting the first lifting hook head with a lifting ring on the lifting column; after the connection of the hook head is completed, constructors enter the head sheave retainer to cut off the fixed parts of the head sheave retainer and the head sheave to separate the head sheave from the retainer; the first lifting hook head is forceful and slowly lifts the head sheave to be separated from the head sheave retainer, after the head sheave is lifted out of the retainer, a constructor wraps a pull rope buckle at the main shaft part at the lower end of the head sheave to lock the rope buckle, then the rope buckle is well connected with the second lifting hook head and is forceful, and the two cranes are matched to lift the head sheave to incline to a certain angle; after the head sheave on the first lifting hook is lifted to a proper height, the second lifting hook head transversely and slowly moves a rope buckle of a pull rope on the second lifting hook head until the axis of the main shaft of the head sheave is in a horizontal position, and meanwhile, two cranes erect the head sheave on a prepared rail road and fix the head sheave; at the moment, the turnover work of the head sheave is finished; when the winch head sheave is turned over, the lifting hook head of the crane is connected with the two shaft ends of the main shaft, and the acting force of the lifting hook head is applied to the main shaft of the winch head sheave, so that the lifting hook head is prevented from contacting with the head sheave hub, the hub is effectively prevented from deforming due to the acting force of the lifting hook, and the integrity of the winch head sheave hub after turning is ensured.
Preferably, the first hook head is connected to a 100 ton crane; the second hook head is connected with a 55-ton crane.
Preferably, the pull rope is a steel wire rope with the length of 12m and the diameter of 48 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
A. when the winch head sheave is turned over, the crane completely acts on the main shaft through the acting force of the lifting hook head on the winch head sheave, the whole lifting process is not in contact with the head sheave hub, and the acting force is effectively prevented from acting on the hub to deform the hub, so that the use of the winch head sheave is influenced;
B. the hoisting device can prevent a hoisting machine operator from damaging a hoisting ring or a steel wire rope connected with a first lifting hook head due to over-violent operation, so that a winch head sheave falls off from the first lifting hook head to cause dangerous accidents; use pivoted activity hasp to install hoisting accessory, the installation rate is fast, and convenient degree is high during the dismantlement.
Drawings
FIG. 1-a is a schematic view of the winch head sheave of the prior art of the present invention before turning over;
FIG. 1-b is a schematic view of the winch head sheave of the background art of the present invention in a state of turning over;
fig. 1-c is a schematic view of a state after the winch head sheave of the background art of the present invention is turned over;
fig. 2 is a schematic view of an overall structure of a winch head sheave and a hoisting device thereof according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a hoisting device in the first embodiment of the present invention;
fig. 4-a is a schematic view of a winch head sheave before turning over in the first embodiment of the present invention;
fig. 4-b is a schematic view of a winch head sheave before turning over in the first embodiment of the present invention;
fig. 4-c is a schematic view of a winch head sheave before turning over in the first embodiment of the present invention;
fig. 5 is an installation schematic view of a locking mechanism in the third embodiment of the present invention;
fig. 6 is a partially enlarged view of the area a in fig. 5 according to the present invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Example one
Referring to fig. 2, the embodiment discloses a winch head sheave with a hoisting device, which includes a hub 1, a main shaft 2, a hoisting device 3 for preventing the winch head sheave from turning over the hub 1 and being damaged, and a pull rope 4. The hub 1 is sleeved on the shaft body of the main shaft 2. The lifting device 3 is detachably connected to the first end face of the main shaft 2. The pull rope 4 is sleeved on the shaft body of the second end of the main shaft 2. The first hook head is connected with the lifting device 3. The second hook head is connected with the pull rope 4. The hook force of the first hook head is greater than the hook force of the second hook head.
When the head sheave is lifted, the first hook head pulls the main shaft 2 to incline through the lifting device 3, then the second hook head connected with the pull rope 4 gives a horizontal force to the second end of the main shaft 2 to assist the main shaft 2 to incline until the axis direction of the main shaft 2 is changed from the vertical direction to the horizontal direction, the head sheave is erected on a preset rail, and then the first hook head, the second hook head, the pull rope 4 and the lifting device 3 are dismounted, so that the turning-over work of the winch head sheave is completed.
Referring to fig. 3, the lifting device 3 includes a gland plate 31, at least two rib plates 32, a lifting column 33, a lifting ring 34, and a locking mechanism for locking the gland plate 31 to the end surface of the main shaft 2. The locking mechanism is arranged between the first end of the main shaft 2 and the gland plate 31. The lifting column 33 is welded at the center of the plate surface of the gland plate 31. The rib plate 32 is in the shape of a right trapezoid, and right-angle sides of the rib plate are fixed on the plate surface of the gland plate 31. The larger bottom edge of the rib plate 32 is fixed around the lifting column 33 in a radial shape by taking the lifting column 33 as the center. The hoisting post 33 is provided with a through hoisting ring mounting hole along the width direction thereof. The lifting ring 34 passes through the lifting ring mounting hole. The lifting ring 34 is connected to the first hook head.
The locking mechanism comprises a locking bolt and a pressing bolt hole 35 formed in the pressing cover plate 31. The locking bolt is in threaded engagement with the hold-down bolt hole 35. The end face of the main shaft is provided with a threaded hole (not shown) which is in threaded fit with the locking bolt. The threaded hole (not shown) is coaxial with the hold-down bolt hole 35.
The main shaft 2 further comprises shaft covers clamped at two ends of the main shaft 2.
The locking bolts are sequentially screwed into the pressing bolt holes 35 and the threaded holes, so that a pressing cover plate 31 in the lifting device 3 is locked on the main shaft 2, the pull rope 4 is bound on a shaft body at the second end of the main shaft 2, a first lifting hook head is connected with the lifting ring 34, a second lifting hook head is connected with the pull rope 4, 100t of lifting hook force is applied to the first lifting hook head, 50t of lifting hook force is applied to the second lifting hook head, the main shaft 2 is slowly lifted and turned over, lifting hook force acts on two ends of the main shaft 2 during turning over, the hub 1 is not in contact with the lifting device 3, and when the winch head sheave is turned over, distance bolts do not need to be welded between the hubs 1, deformation of a welding position is prevented, turning over of the winch head sheave is performed through the arranged lifting device 3, the integrity of the hubs in the turning over process is protected, and subsequent use.
Referring to fig. 4-a, 4-b and 4-c, when the winch head sheave is turned over, the winch head sheave is initially placed on the head sheave holder, the axis of the head sheave main shaft is in the vertical direction, the bolt on the shaft cover at one end of the main shaft is detached, and the shaft cover and the bolt are placed in a place which does not obstruct the construction, so that the winch head sheave can be used when the head sheave is installed after being turned over; hoisting the hoisting device to the upper end of the head sheave retainer by using a crane, and connecting the hoisting device; attaching the end face of a middle pressure cover plate of the lifting device and the end face of a main shaft of the dismounting shaft cover together, and locking the two firmly by using a locking mechanism; connecting the first lifting hook head with a lifting ring on the lifting column; after the connection of the hook head is completed, constructors enter the head sheave retainer to cut off the fixed parts of the head sheave retainer and the head sheave to separate the head sheave from the retainer; the first lifting hook head is forceful and slowly lifts the head sheave to be separated from the head sheave retainer, after the head sheave is lifted out of the retainer, a constructor wraps a pull rope buckle at the main shaft part at the lower end of the head sheave to lock the rope buckle, then the rope buckle is well connected with the second lifting hook head and is forceful, and the two cranes are matched to lift the head sheave to incline to a certain angle; after the head sheave on the first lifting hook is lifted to a proper height, the second lifting hook head transversely and slowly moves a rope buckle of a pull rope on the second lifting hook head until the axis of the main shaft of the head sheave is in a horizontal position, and meanwhile, two cranes erect the head sheave on a prepared rail road and fix the head sheave; at the moment, the turnover work of the head sheave is finished; when the winch head sheave is turned over, the lifting hook head of the crane is connected with the two shaft ends of the main shaft, and the acting force of the lifting hook head is applied to the main shaft of the winch head sheave, so that the lifting hook head is prevented from contacting with the head sheave hub, the hub is effectively prevented from deforming due to the acting force of the lifting hook, and the integrity of the winch head sheave hub after turning is ensured.
The first hook head is connected with a 100-ton crane. The second hook head is connected with a 55-ton crane. So that the head sheave is inclined when turning over.
The stay cord is a 12m long steel wire rope with diameter of 48mm, the steel wire rope has large bearing capacity, and articles with large mass can be lifted.
The cover pressing plate 31 in the lifting device 3 is well locked with the main shaft and is locked with the other end of the main shaft by the pull rope 4, when the winch is lifted, the acting force acts on two ends of the main shaft, the hub 1 does not have any contact with the lifting device 3, and when the winch head sheave is turned over, a distance bolt does not need to be welded between the hubs 1, the welding position is prevented from deforming, the winch head sheave is turned over by the arranged lifting device 3, the integrity of the hub 1 in the turning over process is protected, and the subsequent use of the hub 1 is facilitated.
Example two
The second embodiment is different from the first embodiment in that the lifting device 3 further includes an elastic member (not shown). One end of the elastic piece is fixed on the hole wall of the hanging ring mounting hole. The other end of the elastic member is welded to the suspension ring 34.
When the crane drives the lifting ring 34 to ascend through the first lifting head, an elastic part between the lifting ring 34 and the lifting column 33 is elastically deformed by tensile force, the tensile force is slowly transmitted to the lifting column 33 and the pressing cover plate 31 under the elastic action of the elastic part, and finally one end of the winch head sheave main shaft 2 is pulled up, so that the situation that a crane operator is too fierce in operation, the lifting ring 34 or a steel wire rope connected with the first lifting head is damaged, the winch head sheave falls off from the first lifting head, and dangerous accidents are caused is prevented.
EXAMPLE III
Referring to fig. 5 and 6, the locking mechanism is mounted on an end face of the main shaft 2. The locking mechanism comprises a movable lock catch 5 and a limiting component for limiting the rotation of the movable lock catch 5. The number of the movable lock catches 5 is multiple, the movable lock catches surround the axis of the main shaft 2, and the movable lock catches are rotatably connected to the edge of the end face of the main shaft through rotating shafts. The limiting component is arranged on the side of the movable lock catch 5.
The limiting assembly comprises a fixed stop post 6 arranged on one side of the movable lock catch 5, a movable stop post 7 arranged on the other side of the movable lock catch 5 and a spring 71. The fixed stop column 6 is fixed at the edge of the end face of the main shaft. The movable catch 7 is connected to the end of the main shaft through a spring 71.
After the gland plate 31 is attached to the end of the main shaft, the movable lock catch 5 is rotated and the gland plate 31 is locked, so that the gland plate 31 is prevented from being separated, meanwhile, the spring 71 pushes the movable blocking column 7 to rise, the movable lock catch 5 is prevented from rotating, and the convenience in dismounting and mounting of the lifting device 3 is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a winch head sheave with hoisting accessory which characterized in that: comprises a hub, a main shaft, a lifting device for preventing the winch head sheave from turning over and damaging the hub and a pull rope; the hub is sleeved on the spindle body; the lifting device is detachably connected to the first end face of the main shaft; the pull rope is sleeved on the shaft body of the second end of the main shaft; the first lifting hook head is connected with the lifting device; the second hook head is connected with the pull rope.
2. The winch head sheave with hoisting device of claim 1, wherein: the lifting device comprises a gland plate, at least two rib plates, a lifting column, a lifting ring and a locking mechanism for locking the gland plate to the end face of the main shaft; the locking mechanism is arranged between the end surface of the main shaft and the plate surface of the gland plate; the hoisting column is welded at the center of the plate surface of the gland plate; the rib plates are in a right-angle trapezoid shape, and right-angle edges of the rib plates are fixed on the plate surface of the gland plate; the larger bottom edge of the rib plate is radially fixed around the lifting column by taking the lifting column as the center; the lifting column is provided with a through lifting ring mounting hole along the width direction; the lifting ring penetrates through the lifting ring mounting hole; the lifting ring is connected with the first lifting hook head.
3. The winch head sheave with hoisting device of claim 2, wherein: the locking mechanism comprises a locking bolt and a pressing bolt hole formed in the pressing cover plate; the locking bolt is in threaded fit with the pressing bolt hole; a threaded hole in threaded fit with the locking bolt is formed in the end face of the main shaft; the threaded hole is coaxial with the hold-down bolt hole.
4. The winch head sheave with hoisting device of claim 2, wherein: the locking mechanism is arranged on the end face of the first end of the main shaft; the locking mechanism comprises a movable lock catch and a limiting component for limiting the rotation of the movable lock catch; the movable lock catches are multiple in number, surround the axis of the main shaft and are rotatably connected to the edge of the end face of the first end of the main shaft through a rotating shaft; the limiting component is arranged on the side of the movable lock catch.
5. The winch head sheave with hoisting device of claim 4, wherein: the limiting assembly comprises a fixed stop pillar arranged on one side of the movable lock catch, a movable stop pillar arranged on the other side of the movable lock catch and a spring; the fixed stop pillar is fixed at the edge of the end face of the first end of the main shaft; the movable stop column is connected to the end face of the first end of the main shaft through a spring.
6. The winch head sheave with hoisting device of any one of claims 2 to 5, wherein: the lifting device also comprises an elastic piece; one end of the elastic piece is fixed on the wall of the hanging ring mounting hole; the other end of the elastic piece is welded on the hanging ring.
7. The winch head sheave with hoisting device of claim 2, wherein: the main shaft further comprises shaft covers clamped at two ends of the main shaft.
8. The winch head sheave with hoisting device of claim 1, wherein: the first hook head is connected with a 100-ton crane; the second hook head is connected with a 55-ton crane.
9. The winch head sheave with hoisting device of claim 1, wherein: the pull rope is a steel wire rope with the length of 12m and the diameter of 48 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921371118.XU CN210854998U (en) | 2019-08-22 | 2019-08-22 | Winch head sheave with hoisting accessory |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921371118.XU CN210854998U (en) | 2019-08-22 | 2019-08-22 | Winch head sheave with hoisting accessory |
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| CN210854998U true CN210854998U (en) | 2020-06-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356965A (en) * | 2019-08-22 | 2019-10-22 | 淮南矿业(集团)有限责任公司 | A kind of winch head sheave with boom hoisting |
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2019
- 2019-08-22 CN CN201921371118.XU patent/CN210854998U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356965A (en) * | 2019-08-22 | 2019-10-22 | 淮南矿业(集团)有限责任公司 | A kind of winch head sheave with boom hoisting |
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