CN220011831U - Thrust wheel pliers type overturning lifting appliance - Google Patents
Thrust wheel pliers type overturning lifting appliance Download PDFInfo
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- CN220011831U CN220011831U CN202321383128.1U CN202321383128U CN220011831U CN 220011831 U CN220011831 U CN 220011831U CN 202321383128 U CN202321383128 U CN 202321383128U CN 220011831 U CN220011831 U CN 220011831U
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- pin shaft
- threaded pin
- connecting plate
- clamp arm
- pincer
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- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims description 11
- 210000004907 gland Anatomy 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 2
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 2
- 230000007306 turnover Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000034656 Contusions Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 208000034526 bruise Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses a thrust wheel clamp type overturning lifting appliance, which comprises a clamping mechanism, a four-bar mechanism and an operating mechanism, wherein the clamping mechanism comprises a left clamp arm and a right clamp arm which are hinged at the upper part, clamp bodies capable of freely rotating along a central axis are symmetrically arranged at the bottoms of the left clamp arm and the right clamp arm, the four-bar mechanism comprises a left threaded pin shaft, a right threaded pin shaft, a left connecting plate, a right connecting plate and a hanging buckle, the left threaded pin shaft and the right threaded pin shaft are respectively vertical to the left clamp arm and the right clamp arm and are respectively hinged with the top ends of the left clamp arm and the right clamp arm, the lower ends of the left connecting plate and the right connecting plate are respectively hinged with the left threaded pin shaft and the right threaded pin shaft, and the upper ends of the left connecting plate and the right connecting plate are simultaneously hinged with the bottoms of the hanging buckle; the operating mechanism comprises a rotary screw rod which penetrates through the left threaded pin shaft and the right threaded pin shaft simultaneously in a threaded fit mode. The turnover lifting appliance provided by the utility model can effectively improve the production efficiency, reduce the labor intensity and improve the operation safety.
Description
Technical Field
The utility model relates to the technical field of turnover equipment, in particular to a supporting wheel pliers type turnover lifting appliance.
Background
In the production process of the thrust wheel, horizontal welding by a horizontal welding machine tool is generally required, and the welded workpiece is hoisted to a turnover basket and then is turned to a vertical lathe to process an inner hole. During machining, one end of the thrust wheel is machined firstly, then the thrust wheel is turned over for 180 degrees, and the other end of the thrust wheel is machined.
The existing production mode is that a workpiece is hung on a platform from a turnover basket by using a magnetic lifting tool, then the workpiece is erected on the platform by manpower, a vertical clamping sleeve lifting tool is replaced to be hung on a vertical lathe, one end of clamping and processing is carried out, after one end of the workpiece is processed, the workpiece is hung on the platform by using the vertical clamping sleeve lifting tool, the workpiece is turned 180 degrees by manpower, then the workpiece is hung on the other end of clamping and processing of the opposite vertical lathe by using the vertical clamping sleeve lifting tool, after the processing is completed, the workpiece is hung on the platform by using the vertical clamping sleeve lifting tool, the workpiece is turned 90 degrees to be horizontal by manpower, and then the workpiece is hung in the turnover basket by using the magnetic lifting tool in a replacement mode.
The production mode not only needs to manually turn the workpiece on the platform for multiple times, but also needs to replace the lifting appliance twice, the production auxiliary time is longer than the production processing time, and the production efficiency is very low;
in addition, an operator can turn over only when approaching to the workpiece, the workpiece is easy to roll, and great potential safety hazards exist, so that the operator is easy to be injured;
in addition, the vertical clamping sleeve lifting tool can not ensure the vertical axis of a workpiece, can not ensure the alignment of the axis of the workpiece and the mandrel of the vertical lathe, needs manual alignment for many times, is easy to cause the bruise of the floating seal groove of the previous working procedure, and is easy to crush the fingers of an operator;
some enterprises design a turnover positioner aiming at a large-scale thrust wheel, but the turnover positioner only replaces manual turnover, so that the potential safety hazard is reduced, the production process is still complicated, and the problem of low production efficiency still exists.
Disclosure of Invention
The utility model has the advantages that the utility model provides the roller clamp type overturning lifting appliance, wherein the left clamp arm and the right clamp arm can clamp or loosen the roller through the rotation of the rotary screw, meanwhile, the roller can be overturned and displaced without falling to the ground through the clamp body which rotates freely around the central axis, so that the damage to a floating seal groove in the previous working procedure is effectively avoided, in addition, the roller is automatically kept in the vertical state of the axis after being clamped, and the roller clamp type overturning lifting appliance can be quickly aligned with a vertical lathe mandrel, thereby further improving the production efficiency, effectively reducing the labor intensity of operators and reducing the hidden danger of safe production.
To achieve at least one of the above advantages, the present utility model provides a thrust wheel jaw type overturning lifting appliance, comprising:
the clamping mechanism comprises a left pincer-shaped clamping arm and a right pincer-shaped clamping arm which are symmetrically arranged, wherein the left pincer-shaped clamping arm and the right pincer-shaped clamping arm are hinged near the upper part to form clamping surfaces capable of mutually clamping or loosening, the left pincer-shaped clamping arm and the right pincer-shaped clamping arm are symmetrically provided with clamping bodies capable of freely rotating along a central axis at the bottoms respectively, and the central axis is always perpendicular to a vertical plane formed by hoisting;
the four-bar mechanism comprises a left threaded pin shaft, a right threaded pin shaft, a left connecting plate, a right connecting plate and a hanging buckle, wherein the left threaded pin shaft and the right threaded pin shaft are respectively vertical to the left pincer-shaped clamp arm and the right pincer-shaped clamp arm and are respectively hinged with the top ends of the left pincer-shaped clamp arm and the right pincer-shaped clamp arm, the lower ends of the left connecting plate and the right connecting plate are respectively hinged with the left threaded pin shaft and the right threaded pin shaft, and the upper ends of the left connecting plate and the right connecting plate are simultaneously hinged with the bottom of the hanging buckle; and
the control mechanism comprises a rotary screw rod, wherein the rotary screw rod simultaneously penetrates through the left threaded pin shaft and the right threaded pin shaft in a threaded fit manner, and the two ends of the rotary screw rod are respectively provided with positive and negative threads matched with the left threaded pin shaft and the right threaded pin shaft.
According to an embodiment of the utility model, the thrust wheel pincer type overturning lifting appliance further comprises a lifting mechanism, wherein the lifting mechanism comprises a left connecting plate, a right connecting plate and a lifting buckle, the left connecting plate, the right connecting plate, the left pincer-shaped clamping arm and the right pincer-shaped clamping arm form a four-bar structure, the lower ends of the left connecting plate and the right connecting plate are respectively hinged with the left threaded pin shaft and the right threaded pin shaft, and the upper ends of the left connecting plate and the right connecting plate are simultaneously hinged with the bottom of the lifting buckle.
According to one embodiment of the utility model, either end of the rotating screw is provided with a hand wheel.
According to one embodiment of the utility model, the two ends of the rotating screw rod are symmetrically provided with the hand wheels.
According to the embodiment of the utility model, the left pincer-shaped clamp arm and the right pincer-shaped clamp arm are respectively and symmetrically provided with bearing seats at the bottoms, and rolling bearings are arranged in the bearing seats, wherein the rotating shaft of the clamp body is in interference fit with the inner rings of the rolling bearings.
According to an embodiment of the utility model, the side walls of the left pincer-shaped clamp arm and the right pincer-shaped clamp arm are symmetrically provided with reinforcing plate ribs, and the reinforcing plate ribs extend to be capable of wrapping the bearing seat.
According to one embodiment of the utility model, an annular groove is formed in the bearing seat near the outer side, and an elastic retainer ring for holes is embedded in the annular groove and used for blocking the rolling bearing.
According to an embodiment of the utility model, the outer end of the rotating shaft is provided with a gland.
According to one embodiment of the utility model, the gland is connected with the clamp body at the central position through a countersunk socket head cap screw.
These and other objects, features and advantages of the present utility model will become more fully apparent from the following detailed description.
Drawings
Fig. 1 shows a schematic perspective view of a pliers-type overturning lifting appliance for a thrust wheel according to a preferred embodiment of the utility model.
Fig. 2 shows a schematic front view of a preferred embodiment of the utility model.
Figure 3 shows a schematic cross-sectional view of the utility model in the direction A-A of figure 2.
Reference numerals: the device comprises a left clamp arm, a right clamp arm, a 13-bearing seat, a 14-rolling bearing, a 15-reinforcing plate rib, a 16-hole circlip, a 17-gland, a 18-socket head cap screw, a 20-clamp body, a 21-rotating shaft, a 31-left threaded pin, a 32-right threaded pin, a 33-left connecting plate, a 34-right connecting plate, a 35-hanging buckle, a 40-rotating screw rod, a 41-hand wheel and a 50-thrust wheel.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
It will be appreciated by those skilled in the art that in the disclosure of the present specification, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, the above terms should not be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
Referring to fig. 1 to 3, a roller jaw type overturning lifting appliance according to a preferred embodiment of the present utility model will be described in detail below, wherein the roller jaw type overturning lifting appliance comprises a clamping mechanism, a four-bar mechanism and an operating mechanism, wherein the clamping mechanism comprises a left clamp arm 11 and a right clamp arm 12 which are symmetrically arranged, wherein the left clamp arm 11 and the right clamp arm 12 are hinged near the upper position and form clamping surfaces capable of mutually clamping or loosening therebetween, wherein the left clamp arm 11 and the right clamp arm 12 are symmetrically provided with clamp bodies 20 capable of freely rotating along central axes at the bottoms respectively, and wherein the central axes are always perpendicular to a vertical plane formed by lifting;
the four-bar mechanism comprises a left threaded pin shaft 31, a right threaded pin shaft 32, a left connecting plate 33, a right connecting plate 34 and a hanging buckle 35, wherein the left threaded pin shaft 31 and the right threaded pin shaft 32 are respectively vertical to the left pincer-shaped clamp arm 11 and the right pincer-shaped clamp arm 12 and are respectively hinged to the top ends of the left pincer-shaped clamp arm 11 and the right pincer-shaped clamp arm 12, the left connecting plate 33, the right connecting plate 34, the left pincer-shaped clamp arm 11 and the right pincer-shaped clamp arm 12 form a four-bar structure, the lower ends of the left connecting plate 33 and the right connecting plate 34 are respectively hinged to the left threaded pin shaft 31 and the right threaded pin shaft 32, and the upper ends of the left connecting plate 33 and the right connecting plate 34 are simultaneously hinged to the bottom of the hanging buckle 35, so that the hanging and transferring of the supporting wheel 50 are facilitated through the hanging buckle 35;
the operating mechanism comprises a rotating screw 40, wherein the rotating screw 40 simultaneously penetrates through the left threaded pin shaft 31 and the right threaded pin shaft 32 in a threaded fit manner, and both ends of the rotating screw 40 are respectively provided with positive and negative threads matched with the left threaded pin shaft 31 and the right threaded pin shaft 32.
The rotary screw 40 is preferably embodied as a high-pitch positive and negative screw, so that the clamping of the thrust wheel 50 can be realized in less than two rotations;
in addition, based on the characteristic of the lead screw, self-locking can be formed in the using process, and the possibility that the thrust wheel 50 slides from between the left clamp arm 11 and the right clamp arm 12 is avoided.
The method comprises the following steps: the rotating screw 40 is manually rotated or driven to rotate by an air gun, and based on the matching relationship between the positive and negative threads and the left threaded pin shaft 31 and the right threaded pin shaft 32, the left pincer-shaped clamping arm 11 and the right pincer-shaped clamping arm 12 can clamp or unclamp the thrust wheel by taking a hinge point as a rotating pivot, so that the thrust wheel 50 is convenient to transfer;
in addition, the left pincer-shaped clamping arm 11, the right pincer-shaped clamping arm 12, the left threaded pin shaft 31, the right threaded pin shaft 32 and the rotary screw 40 are all symmetrically designed, when the thrust wheel 50 is clamped and lifted, the thrust wheel 50 can keep the vertical axis state under the action of gravity, and the thrust wheel can be quickly aligned and positioned with a vertical lathe mandrel, so that the damage of a floating seal groove in the previous working procedure is avoided;
in addition, since the fixture body 20 can rotate around the central axis freely, the clamped thrust wheel 50 can be driven to turn over in a suspended state, so that the working efficiency can be effectively improved, and the operation labor intensity can be reduced.
As a preferred embodiment, either end of the rotary screw 40 is provided with a hand wheel 41, so that the manual rotation of the rotary screw 40 by an employee is facilitated by the hand wheel 41.
In order to meet the requirement of two opposite door opening numerically controlled vertical lathes during processing, as another preferred embodiment, the two ends of the rotating screw 40 are symmetrically provided with hand wheels 41, so that the two sides can be separated for operation, and the use is more convenient.
In one embodiment, the left pincer-shaped arm 11 and the right pincer-shaped arm 12 are respectively and symmetrically provided with a bearing seat 13 at the bottom, and a rolling bearing 14, such as a deep groove ball bearing, is arranged in the bearing seat 13, wherein the rotating shaft 21 of the clamp body 20 is in interference fit with the inner ring of the rolling bearing 14, so that the clamp body 20 can freely rotate, the rotation resistance is small, and an operator can turn over the heavy large-sized thrust wheel 50 with one hand.
The left pincer-shaped clamp arm 11 with the lateral wall symmetry of right pincer-shaped clamp arm 12 is provided with reinforcing plate rib 15, just reinforcing plate rib 15 extends to can wrap up bearing frame 13, thereby can effectively promote left pincer-shaped clamp arm 11 right pincer-shaped clamp arm 12 with structural connection intensity and overall structural stability between the bearing frame 13, and then the life of this upset hoist is prolonged.
It is further preferable that an annular groove is provided in the bearing seat 13 near the outer side, wherein an elastic collar 16 for holes is embedded in the annular groove, so as to block the rolling bearing 14, prevent the rolling bearing 14 from separating from the bearing seat 13, and improve the use safety.
Further preferably, the gland 17 is mounted at the outer end of the rotating shaft 21 to block and limit the clamp body 20, so as to prevent the clamp body 20 from being separated from the bearing seat 13, and further improve the safety performance of the overturning lifting appliance.
In one embodiment, the gland 17 is connected to the clamp body 20 at a central location by a countersunk socket head cap screw 18.
It should be noted that the terms "first" and "second" are used for descriptive purposes only, and are not meant to indicate any order, but are not to be construed as indicating or implying any relative importance, and such terms are to be construed as names.
It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The advantages of the present utility model have been fully and effectively realized. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.
Claims (8)
1. Thrust wheel pincers type upset hoist, its characterized in that includes:
the clamping mechanism comprises a left pincer-shaped clamping arm and a right pincer-shaped clamping arm which are symmetrically arranged, wherein the left pincer-shaped clamping arm and the right pincer-shaped clamping arm are hinged near the upper part to form clamping surfaces capable of mutually clamping or loosening, the left pincer-shaped clamping arm and the right pincer-shaped clamping arm are symmetrically provided with clamping bodies capable of freely rotating along a central axis at the bottoms respectively, and the central axis is always perpendicular to a vertical plane formed by hoisting;
the four-bar mechanism comprises a left threaded pin shaft, a right threaded pin shaft, a left connecting plate, a right connecting plate and a hanging buckle, wherein the left threaded pin shaft and the right threaded pin shaft are respectively vertical to the left pincer-shaped clamp arm and the right pincer-shaped clamp arm and are respectively hinged with the top ends of the left pincer-shaped clamp arm and the right pincer-shaped clamp arm, the lower ends of the left connecting plate and the right connecting plate are respectively hinged with the left threaded pin shaft and the right threaded pin shaft, and the upper ends of the left connecting plate and the right connecting plate are simultaneously hinged with the bottom of the hanging buckle; and
the control mechanism comprises a rotary screw rod, wherein the rotary screw rod simultaneously penetrates through the left threaded pin shaft and the right threaded pin shaft in a threaded fit manner, and the two ends of the rotary screw rod are respectively provided with positive and negative threads matched with the left threaded pin shaft and the right threaded pin shaft.
2. The thrust wheel pliers-type overturning lifting appliance according to claim 1, wherein either end of the rotating screw is provided with a hand wheel.
3. The thrust wheel pliers-type overturning lifting appliance according to claim 1, wherein hand wheels are symmetrically arranged at two ends of the rotating screw rod.
4. A roller clamp type overturning lifting appliance according to claim 2 or 3, wherein the left clamp arm and the right clamp arm are respectively and symmetrically provided with bearing seats at the bottoms, and rolling bearings are arranged in the bearing seats, and a rotating shaft of the clamp body is in interference fit with inner rings of the rolling bearings.
5. The thrust wheel pliers-type overturning lifting appliance according to claim 4, wherein the side walls of the left and right pliers-type clamping arms are symmetrically provided with reinforcing plate ribs, and the reinforcing plate ribs extend to be capable of wrapping the bearing seat.
6. The thrust wheel jaw type overturning lifting appliance according to claim 4, wherein an annular groove is formed in the bearing seat near the outer side, and an elastic retainer ring for holes is embedded in the annular groove and used for blocking the rolling bearing.
7. The thrust wheel jaw type flip spreader of claim 4, wherein the outer end of the rotating shaft is provided with a gland.
8. The thrust wheel jaw type flip spreader of claim 7, wherein the gland is connected to the clamp body at a central location by a socket head cap screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321383128.1U CN220011831U (en) | 2023-05-31 | 2023-05-31 | Thrust wheel pliers type overturning lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321383128.1U CN220011831U (en) | 2023-05-31 | 2023-05-31 | Thrust wheel pliers type overturning lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220011831U true CN220011831U (en) | 2023-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321383128.1U Active CN220011831U (en) | 2023-05-31 | 2023-05-31 | Thrust wheel pliers type overturning lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220011831U (en) |
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2023
- 2023-05-31 CN CN202321383128.1U patent/CN220011831U/en active Active
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