CN215479144U - Hoisting and turning device of single-pulley vehicle - Google Patents
Hoisting and turning device of single-pulley vehicle Download PDFInfo
- Publication number
- CN215479144U CN215479144U CN202121681477.2U CN202121681477U CN215479144U CN 215479144 U CN215479144 U CN 215479144U CN 202121681477 U CN202121681477 U CN 202121681477U CN 215479144 U CN215479144 U CN 215479144U
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- pulley
- steel wire
- wire rope
- pin shaft
- shackle
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Abstract
The utility model belongs to the field of hoisting construction, and particularly relates to a single-pulley vehicle hoisting turnover device which comprises a pulley, a steel wire rope, a shackle and a hoisting clamp ring steel wire rope for hoisting an object; the two ends of the pulley are provided with pulley grooves used for the sliding of the steel wire rope, the pulley is connected with the shackle through a pin shaft, and the steel wire rope of the lifting clamp ring is positioned between the shackle and the pulley. Selecting a proper shackle according to the weight of a hung object, processing a pulley matched with the shackle according to the size of the shackle, fixing one end of a steel wire rope on a crane, fixing a lifting clamp ring steel wire rope on an object to be lifted and turned, starting the crane, rotating the pulley relative to the steel wire rope, and rotating the pulley to enable the lifting clamp ring steel wire rope to complete turning of the object to be lifted and turned. The scheme has the advantages of simple structure, low cost and convenient carrying and use; the steel wire rope is always stressed and stable without impact in the hoisting process; the stress points are increased and the stress is uniform, so that the steel structure is not easy to deform; can realize the turnover of any angle of the liquid loading container and the tower body.
Description
Technical Field
The utility model belongs to the field of hoisting construction, and particularly relates to a single-pulley trolley hoisting turnover device.
Background
When petrochemical device is under construction, often meet equipment or steel construction and stand up, unbalanced member hoist and mount, but equipment or steel construction stand up, unbalanced member hoist and mount, the effect of labour saving and time saving, safe construction and protection rigging often can be played in application single-door coaster.
Application number is CN201711077720.8 file discloses a pulley hangs row for hoist and mount of boats and ships block, including hanging row box, support, multidirectional pivot, loose pulley assembly, first wire rope, second wire rope and third wire rope, the support is fixed in the left and right both sides of hanging row box up end, all is fixed with a multidirectional pivot on every support, all is provided with a loose pulley assembly in every multidirectional pivot, the one end of first wire rope is fixed on a crane hook, thereby the other end passes left loose pulley assembly and the loose pulley assembly on right side in proper order and fixes on another crane hook, second wire rope and third wire rope all overlap and hang on hanging row box. According to the scheme, the influence of crane hoisting parameters on the balance degree of the hoisted object in the hoisting process can be reduced, the stable hoisting of the hoisted object is realized, and the lateral hoisting of the inclined slipway can be met. The pulley assembly is adopted for hoisting in the scheme, when a heavy structure is hoisted, a large-tonnage pulley assembly is needed, the pulley assembly is heavy, for example, a 20t pulley is difficult to carry, a single-door pulley above 20t is rarely used in a common construction site, the weight is large, the price is high, and common hoisting operation is rarely used. The pulley assembly is heavy in structure, inconvenient to carry and high in cost.
SUMMERY OF THE UTILITY MODEL
This scheme provides a single-trolley bus sling mount machine turning device of convenient transport.
In order to achieve the purpose, the scheme provides a single-pulley vehicle hoisting and overturning device which comprises pulleys and a steel wire rope; further comprising: a shackle and a lifting clamp ring steel wire rope used for lifting objects; wheel grooves for sliding the steel wire rope are formed in the two ends of the pulley, and the wheel grooves are arc-shaped; a first pin shaft hole is formed in the pulley and is positioned in the center of the pulley; the shackle is symmetrically provided with second pin shaft holes, the second pin shaft holes correspond to the first pin shaft holes, and the diameter of the second pin shaft holes is the same as that of the first pin shaft holes; the pin shaft enables the pulley and the steel wire rope to be fixedly connected through the first pin shaft hole and the second pin shaft hole; and the steel wire rope of the lifting clamp ring is positioned between the shackle and the pulley.
The principle of the scheme is as follows: selecting proper shackles according to the weight of a lifted object, generally using 2 shackles in the lifting process, wherein the bearing capacity of each shackle is slightly larger than the weight of a lifting point of the lifted object, processing a pulley matched with the shackle according to the size of the shackle, placing a steel wire rope in a wheel groove of the pulley, placing a lifting clasp steel wire rope between the shackle and the pulley, fixing the shackle and the pulley together by using a pin shaft, fixing one end of the steel wire rope on a crane, fixing the lifting clasp steel wire rope on an object to be lifted and overturned, starting the crane, rotating the pulley relative to the steel wire rope, and enabling the lifting clasp steel wire rope to overturn the object to be lifted and overturned.
The scheme has the beneficial effects that: the structure is simple, the cost is low, and the carrying and the use are convenient; in the hoisting process, the steel wire rope is displaced through the rotation of the pulley, so that the steel wire rope is always stressed, is stable and has no impact, and the steel wire rope and a hoisted object can be well protected; the steel structure is turned and hoisted in the mode, and the steel structure is not easy to deform due to the fact that stress points are increased and stress is uniform; the problem that the lengths of the tied steel wire ropes are different when the four support legs are hoisted in the staircase with different heights can be solved; can realize the turnover of any angle of the liquid loading container and the tower body.
Furthermore, a clamping groove for placing the head of the pin shaft is formed in the surface of the shackle, springs are fixedly mounted on the side wall of the clamping groove, the springs are symmetrically arranged on the clamping groove, a protective cover is fixedly connected between the springs, and the protective cover is positioned on the outer side of the head of the pin shaft; the spring is in contact with the head of the pin shaft. The pin shaft is limited by a spring, so that the displacement of the pin shaft is slowed down, and loosening of the shackle and the pulley is prevented; the spring and the protective cover prevent the use of the pulley component from being influenced by the shaft hole of the sliding groove pin when the pin shaft is loosened.
Further, the thickness of the pulley is the same as the opening degree of the shackle, so that the pulley is aligned with the shackle, and the matching use effect is better.
Further, the inner surfaces of the first pin shaft hole and the second pin shaft hole are smooth surfaces, and lubricating grease is arranged on the inner surfaces of the first pin shaft hole and the second pin shaft hole. Reduce the friction between the pin shaft and the pin shaft hole.
Furthermore, the diameter of the wheel groove of the pulley is matched with the diameter of the steel wire rope, so that the phenomenon that the pulley is clamped and cannot rotate due to the fact that the steel wire rope is too large in diameter and cannot be embedded into the wheel groove or is extruded into the wheel groove reluctantly is avoided.
Further, the steel wire rope is a single steel wire rope buckle without connection; the included angle of the steel wire ropes at the two ends of the pulley is less than or equal to 90 degrees. The pulley can move more smoothly.
Furthermore, the steel wire rope is provided with a connected steel wire rope buckle, and the steel wire rope connecting part is positioned at a position where the steel wire rope cannot pass through in the movement process of the pulley; the included angle of the steel wire ropes at the two ends of the pulley is less than or equal to 90 degrees. The pulley can move more smoothly.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: pulley 1, shackle 2, wire rope 3, lifting clasp wire rope 4, first round pin shaft hole 5, round pin axle 6.
The embodiment is basically as shown in the attached figure 1:
a single-pulley vehicle hoisting and overturning device comprises a pulley 1 and a steel wire rope 3, wherein the pulley 1 is made of Q345B, and Q345 is made of steel. It is carbon alloy steel (c is less than 0.2%), and has good comprehensive performance, low-temp. performance, cold-punching performance, welding performance and machinability. The pulley 1 both ends are equipped with the race that is used for wire rope 3 to slide, and the race is convex, and convex convenience is spacing wire rope 3, makes the better slip of pulley 1 relative wire rope 3. The diameter of the wheel groove of the pulley 1 is matched with the diameter of the steel wire rope 3, so that the phenomenon that the pulley 1 is clamped and cannot rotate due to the fact that the steel wire rope 3 is too large in diameter and cannot be embedded into the wheel groove or is extruded into the wheel groove reluctantly is avoided.
The steel wire rope 3 without obvious crease and distortion is adopted, so that the steel wire rope 3 can be used in the wheel groove of the pulley 1 smoothly. The steel wire rope 3 is a single non-connected steel wire rope 3 buckle or a single connected steel wire rope 3 buckle, and when the steel wire rope 3 is the single non-connected steel wire rope 3 buckle, the included angle of the steel wire ropes 3 at the two ends of the pulley 1 is less than or equal to 90 degrees, so that the pulley 1 can move more smoothly; when the steel wire rope 3 is provided with a connected steel wire rope 3 buckle, the connecting part of the steel wire rope 3 is positioned at a position where the pulley 1 cannot pass through in the movement process; the included angle of the steel wire ropes 3 at the two ends of the pulley 1 is less than or equal to 90 degrees. The pulley 1 can move more smoothly.
Further comprising: the shackle 2 and a lifting clamp ring steel wire rope 4 for lifting objects are provided with a first pin shaft hole 5 on the pulley 1, the first pin shaft hole 5 is positioned at the center of the pulley 1, and the first pin shaft hole 5 horizontally penetrates through the pulley 1. The symmetry is equipped with second round pin shaft hole on the 2 shackles, and second round pin shaft hole is corresponding with first round pin shaft hole 5, and second round pin shaft hole diameter is the same with first round pin shaft hole diameter, can prevent that the round pin axle gradient from reducing in 2 shackles and pulley 1, makes round pin axle stress point increase, makes the hoist and mount effect better and prevent that the round pin axle fracture. The round pin axle 6 makes pulley 1 and 3 fixed connection of wire rope through first round pin shaft hole 5 and second round pin shaft hole, and 5 internal surfaces in first round pin shaft hole and second round pin shaft hole internal surface are the smooth surface, and 5 internal surfaces in first round pin shaft hole and second round pin shaft hole internal surface are equipped with lubricated grease. The friction between the pin shaft 6 and the pin shaft hole is reduced. The steel wire rope 4 of the lifting clasp is positioned between the shackle 2 and the pulley 1.
Selecting a proper shackle 2 according to the weight of a lifted object, generally using 2 shackles 2 in the lifting process, wherein the bearing capacity of each shackle 2 is slightly larger than the weight of a lifting point of the lifted object, processing a pulley 1 matched with the shackle 2 according to the size of the shackle 2, placing a steel wire rope 3 in a wheel groove of the pulley 1, placing a lifting clasp steel wire rope 4 between the shackle 2 and the pulley 1, fixing the shackle 2 and the pulley 1 together by using a pin shaft 6, fixing one end of the steel wire rope 3 on a crane, fixing the lifting clasp steel wire rope 4 on an object to be lifted and overturned, starting the crane, rotating the pulley 1 relative to the steel wire rope 3, and rotating the pulley 1 to enable the lifting clasp steel wire rope 4 to overturn the object to be lifted and overturned. For example, when the requirement of equipment hoisting construction with the weight of less than 60 tons needs to be met, firstly, two 35-ton shackles 2 are selected to be combined, 2 steel pulleys 1 with the diameter of 330mm are selected according to the shackles 2, the steel pulleys are assembled into 2 single pulleys with the hoisting capacity of 30 tons, and the maximum diameter of 44mm of a steel wire rope 3 is used. The structure is simple, the cost is low, and the carrying and the use are convenient; in the hoisting process, the steel wire rope 3 is rotated by the pulley 1 to displace, so that the steel wire rope 3 is always stressed, is stable and has no impact, and the steel wire rope 3 and a hoisted object can be well protected; the steel structure is turned and hoisted in the mode, and the steel structure is not easy to deform due to the fact that stress points are increased and stress is uniform; the problem that the lengths of the steel wire ropes 3 to be hung are different in lifting among staircases with four support legs of different heights can be solved; can realize the turnover of any angle of the liquid loading container and the tower body.
The surface of the shackle 2 is provided with a clamping groove for placing the head of the pin shaft 6, the side wall of the clamping groove is fixedly provided with springs, the springs are symmetrically arranged on the clamping groove, a protective cover is fixedly connected between the springs, and the springs are in contact with the head of the pin shaft 6. The pin shaft 6 is limited by a spring, so that the displacement of the pin shaft 6 is slowed down, and the loosening of the shackle 2 and the pulley 1 is prevented. The 6 afterbody of round pin axle is equipped with the through-hole, and when round pin axle 6 connected shackle 2 and pulley 1, 6 afterbody through-holes of round pin axle are located the 6 outsides of shackle, and the inside screw thread that is equipped with of through-hole, the stopper is installed to the through-hole internal thread, can conveniently dismantle, and the stopper width is greater than 6 diameters of round pin axle for prevent that round pin axle 6 from breaking away from shackle 2 and pulley 1.
The thickness of the pulley 1 is the same as the opening degree of the shackle 2, so that the pulley 1 is aligned with the shackle 2, and the matching use effect is better.
The operation method of the scheme comprises the following steps: selecting a proper shackle 2 according to the weight of a lifted object, generally using 2 shackles 2 in the lifting process, wherein the bearing capacity of each shackle 2 is slightly larger than the weight of a lifting point of the lifted object, processing a pulley 1 matched with the shackle 2 according to the size of the shackle, placing a steel wire rope 3 in a wheel groove of the pulley 1, wherein the diameter of the steel wire rope 3 is smaller than that of the wheel groove of the pulley 1, and when the steel wire rope 3 is a single unconnected steel wire rope 3, the included angle of the steel wire ropes 3 at two ends of the pulley 1 is smaller than or equal to 90 degrees; when the steel wire rope 3 is provided with the connected steel wire rope 3, the connecting part of the steel wire rope 3 is not contacted with the pulley 1 in the movement process of the pulley 1, and the included angle of the steel wire ropes 3 at the two ends is smaller than or equal to 90 degrees. Placing a lifting clamp ring steel wire rope 4 between a shackle 2 and a pulley 1, smearing lubricating grease on the inner surface of a first pin shaft hole 5 and the inner surface of a second pin shaft hole, fixing the shackle 2 and the pulley 1 together by using a pin shaft 6, fixing one end of the steel wire rope 3 on a crane, fixing the lifting clamp ring steel wire rope 4 on an object to be lifted and overturned, starting the crane, rotating the pulley 1 relative to the steel wire rope 3, and rotating the pulley 1 to enable the lifting clamp ring steel wire rope 4 to complete overturning of the object to be lifted and overturned.
The scheme has the advantages of simple structure, low cost and convenient carrying and use; in the hoisting process, the steel wire rope 3 is rotated by the pulley 1 to displace, so that the steel wire rope 3 is always stressed, is stable and has no impact, and the steel wire rope 3 and a hoisted object can be well protected; the steel structure is turned and hoisted in the mode, and the steel structure is not easy to deform due to the fact that stress points are increased and stress is uniform; the problem that the lengths of the steel wire ropes 3 to be hung are different in lifting among staircases with four support legs of different heights can be solved; can realize the turnover of any angle of the liquid loading container and the tower body.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. The single-pulley vehicle hoisting and overturning device comprises pulleys and a steel wire rope (3); it is characterized by also comprising: the shackle (2) and a lifting clamp ring steel wire rope (4) for lifting objects; wheel grooves for sliding the steel wire rope (3) are formed in the two ends of the pulley (1), and are arc-shaped; a first pin shaft hole (5) is formed in the pulley (1), and the first pin shaft hole (5) is located in the center of the pulley (1); the shackle (2) is symmetrically provided with second pin shaft holes, the second pin shaft holes correspond to the first pin shaft holes (5), and the diameter of each second pin shaft hole is the same as that of the first pin shaft hole (5); the pin shaft (6) enables the pulley (1) and the steel wire rope (3) to be fixedly connected through the first pin shaft hole (5) and the second pin shaft hole; and the lifting clamp ring steel wire rope (4) is positioned between the shackle (2) and the pulley (1).
2. The single-trolley hoisting and overturning device of claim 1, wherein: the surface of the shackle (2) is provided with a clamping groove for placing the head of the pin shaft (6), the side wall of the clamping groove is fixedly provided with springs, the springs are symmetrically arranged on the clamping groove, a protective cover is fixedly connected between the springs, and the protective cover is positioned on the outer side of the head of the pin shaft (6); the spring is in contact with the head of the pin shaft (6).
3. The single-trolley hoisting and overturning device of claim 1, wherein: the thickness of the pulley (1) is the same as the opening degree of the shackle (2).
4. The single-trolley hoisting and overturning device of claim 1, wherein: the inner surface of the first pin shaft hole (5) and the inner surface of the second pin shaft hole are smooth surfaces, and lubricating grease is arranged on the inner surface of the first pin shaft hole (5) and the inner surface of the second pin shaft hole.
5. The single-trolley hoisting and overturning device of claim 1, wherein: the diameter of the wheel groove of the pulley (1) is matched with the diameter of the steel wire rope (3).
6. The single-trolley hoisting and overturning device of claim 1, wherein: the steel wire rope (3) is a single steel wire rope (3) buckle without connection; the included angle of the steel wire ropes (3) at the two ends of the pulley (1) is smaller than or equal to 90 degrees.
7. The single-trolley hoisting and overturning device of claim 1, wherein: the steel wire rope (3) is provided with a connected steel wire rope (3) buckle, and the connecting part of the steel wire rope (3) is positioned at a position where the pulley (1) cannot pass through in the movement process; the included angle of the steel wire ropes (3) at the two ends of the pulley (1) is smaller than or equal to 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121681477.2U CN215479144U (en) | 2021-07-20 | 2021-07-20 | Hoisting and turning device of single-pulley vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121681477.2U CN215479144U (en) | 2021-07-20 | 2021-07-20 | Hoisting and turning device of single-pulley vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215479144U true CN215479144U (en) | 2022-01-11 |
Family
ID=79750675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121681477.2U Expired - Fee Related CN215479144U (en) | 2021-07-20 | 2021-07-20 | Hoisting and turning device of single-pulley vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215479144U (en) |
-
2021
- 2021-07-20 CN CN202121681477.2U patent/CN215479144U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |