CN219860139U - Hoisting device of large-scale bearing hoisting tool - Google Patents
Hoisting device of large-scale bearing hoisting tool Download PDFInfo
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- CN219860139U CN219860139U CN202321279249.1U CN202321279249U CN219860139U CN 219860139 U CN219860139 U CN 219860139U CN 202321279249 U CN202321279249 U CN 202321279249U CN 219860139 U CN219860139 U CN 219860139U
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- claw
- fixing block
- sliding block
- handed
- claw fixing
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- 210000000078 claw Anatomy 0.000 claims abstract description 132
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a hoisting device of a large-scale bearing hoisting tool, which comprises a hoisting ring and an upper cross beam frame, wherein the hoisting ring is arranged in the middle of the upper surface of the upper cross beam frame; four mounting holes are respectively and horizontally formed in the two longitudinal sides of the cantilever of the upper cross beam frame from outside to inside, and two swing arms are respectively hinged in the mounting holes at symmetrical positions of the two sides; the middle parts of the two left swing arms are hinged with a left-hand sliding block, the middle parts of the two right swing arms are hinged with a right-hand sliding block, a left-hand transmission shaft and a right-hand transmission shaft are sleeved in the left-hand sliding block and the right-hand sliding block together, and a manual crank is arranged at the outer end of one side of the left-hand transmission shaft and the outer end of one side of the right-hand transmission shaft; the lower parts of the left two swinging arms are fixed with a left claw fixing block, the lower parts of the right two swinging arms are fixed with a right claw fixing block, and the left claw fixing block and the right claw fixing block are symmetrically provided with inner claws or outer claws with the same structure. The device provided by the utility model is simple to operate, reasonable in design, and wide in assembly selection adaptability.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment manufacturing, and relates to a hoisting device of a large-scale bearing hoisting tool.
Background
The large-scale bearing is generally designed with a lifting threaded hole, so that the lifting and the installation are convenient and smooth. However, in special cases, due to specific restrictions in terms of strength and structure, a lifting screw hole cannot be designed, and thus lifting and mounting of a large bearing become a rather difficult task.
In addition, the traditional operation method is manual operation, a wire rope is adopted to directly tie up and hoist the large-scale bearing manually when the crown block is lifted, the surface of the large-scale bearing is easy to scratch, the labor intensity of manual operation is high, the operation is complex, the safety is low, and the whole process is low in efficiency, high in cost and poor in reliability.
Disclosure of Invention
The utility model aims to provide a lifting device of a large-scale bearing lifting tool, which solves the problem that the surface of a large-scale bearing is easily scratched by adopting a wire rope direct bundling lifting mode through manual operation in the prior art for the large-scale bearing without a lifting threaded hole.
The technical scheme adopted by the utility model is that the hoisting device of the large-scale bearing hoisting tool comprises a hoisting ring and an upper cross beam frame, wherein the hoisting ring is arranged in the middle of the upper surface of the upper cross beam frame and is connected with the upper cross beam frame in a plugging manner; four mounting holes are respectively and horizontally formed in the two longitudinal sides of the cantilever of the upper cross beam frame from outside to inside, and two swing arms are respectively hinged in the mounting holes at symmetrical positions of the two sides by hinge pins; the middle parts of the two left swing arms are hinged with a left-hand sliding block, the middle parts of the two right swing arms are hinged with a right-hand sliding block, a left-hand transmission shaft and a right-hand transmission shaft are sleeved in the left-hand sliding block and the right-hand sliding block together, and a manual crank is arranged at the outer end of one side of the left-hand transmission shaft and the outer end of one side of the right-hand transmission shaft; the lower parts of the two swinging arms on the left are fixedly provided with a left claw fixing block, the left claw fixing block is downwards provided with an inner claw or an outer claw, the lower parts of the two swinging arms on the right are fixedly provided with a right claw fixing block, and the right claw fixing block is symmetrically provided with the inner claw or the outer claw with the same structure.
The utility model relates to a lifting device of a large bearing lifting tool, which is characterized in that:
the left claw fixing block is provided with two inner claw I downwards, the right claw fixing block is symmetrically provided with two inner claw I with the same structure, and the lower ends of the four inner claws are tilted outwards and upwards.
The left claw fixing block is provided with two outer claw I downwards, the right claw fixing block is symmetrically provided with two outer claw I with the same structure, and the lower ends of the four outer claws are tilted inwards and upwards.
The left claw fixing block is downwards provided with two inner claws, the right claw fixing block is symmetrically provided with two inner claws with the same structure, and the lower ends of the four inner claws extend outwards horizontally.
The left claw fixing block is provided with two outer claw pairs downwards, the right claw fixing block is symmetrically provided with two outer claw pairs with the same structure, and the lower ends of the four outer claw pairs extend inwards horizontally.
The left-handed sliding block is characterized in that a left-handed thread is processed in a central through hole of the left-handed sliding block, and a hinging rod is respectively fixed on two radial sides of the central through hole to the outside and is used for being inserted into a round hole of the swing arm; the size and the structure of the right-handed sliding block are consistent with those of the left-handed sliding block, and the difference is that a right-handed thread is processed in the central through hole of the right-handed sliding block.
The middle section of the left-right rotation transmission shaft is a polished rod, and left-hand external threads and right-hand external threads are respectively arranged on the outer circles of the left section and the right section of the left-right rotation transmission shaft; the left-handed external thread is matched with the left-handed sliding block, and the right-handed external thread is matched with the right-handed sliding block.
The left claw fixing block and the right claw fixing block are consistent in structure, and two pairs of through holes are vertically formed in the upper cross beam and the lower cross beam of the rectangular frame, so that the straight rod section on the upper part of the inner claw or the outer claw can conveniently pass through the through holes.
The fixed head of the manual crank is fixedly sleeved with one end of the left-right rotation transmission shaft, and the other end of the manual crank is in a handshake position.
Four horizontal mounting holes are symmetrically formed in two sides of the upper cross beam frame respectively, and insertion holes are formed in the middle of the upper cross beam frame.
The utility model has the advantages of simple assembly operation, reasonable structural design, wide assembly selection adaptability, meeting the requirements on the surface precision protection of the large-scale bearing, and safe and simple assembly, disassembly and lifting processes.
Drawings
FIG. 1 is a perspective view of the device of the present utility model in use;
FIG. 2 is an overall perspective view of an inner jaw one employing unprotected rubber pads in accordance with example 1 of the present utility model;
FIG. 3 is an overall perspective view of the outer jaw one of embodiment 2 of the present utility model employing unprotected rubber pads;
FIG. 4 is a perspective view of the whole of the inner jaw two with the protective cushion used in embodiment 3 of the present utility model;
FIG. 5 is a perspective view of the outer jaw two with the protective cushion according to embodiment 4 of the present utility model;
FIG. 6 is a perspective view of a large bearing of the subject of hoisting of the device of the utility model;
FIG. 7 is a schematic view of an upper cross frame in the apparatus of the present utility model;
FIG. 8 is a schematic view of a swing arm in the apparatus of the present utility model;
FIG. 9 is a schematic view of a left-handed slider in the apparatus of the present utility model;
FIG. 10 is a schematic view of a right-handed slider in the apparatus of the present utility model;
FIG. 11 is a schematic view of a drive shaft of an adjustment lever in the apparatus of the present utility model;
FIG. 12 is a schematic view of an unprotected rubber pad inner jaw in the device of the present utility model;
FIG. 13 is a schematic view of an unprotected rubber pad outer jaw in the device of the present utility model;
FIG. 14 is a schematic view of a sling in an apparatus of the present utility model;
FIG. 15 is a schematic view of an inner and outer jaw securing block in the apparatus of the present utility model;
FIG. 16 is a schematic view of a second inner jaw with a protective cushion in the device of the present utility model;
FIG. 17 is a schematic view of a second outer jaw with a protective cushion in the device of the present utility model;
FIG. 18 is a schematic view of a manual crank in the device of the present utility model;
FIG. 19 is a schematic view of a protective cushion in the device of the present utility model;
FIG. 20 is a schematic view of a second inner jaw with a protective cushion in the device of the present utility model;
fig. 21 is a schematic view of a second outer jaw with a protective cushion in the device of the present utility model.
In the figure, a large bearing, a first inner claw, a swing arm, a left claw fixing block, a left-handed sliding block, a upper cross beam frame, a lifting ring, a hinge pin, a right-handed sliding block, a left-handed transmission shaft, a right-handed transmission shaft, a manual crank, a fixing nut, a right-handed claw fixing block, a first inner claw, a second inner claw, a first outer claw, a second outer claw and a protective rubber mat.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
The terms "up and down", "left and right" used in the following description are only for the spatial positions shown in the drawings, and are not to be construed as limiting the connection relation of the relevant components, the actual installation positions, and so on.
Referring to fig. 6, the large-scale bearing 1 without a lifting threaded hole is an object of the device, and the application range is that the inner ring is more than 500mm and the outer circle is less than 1400mm.
Referring to fig. 1, the device of the utility model has the structure that the device comprises a hanging ring 7 and an upper beam frame 6, wherein the hanging ring 7 is arranged at the middle position of the upper surface of the upper beam frame 6, and the hanging ring 7 is connected with the upper beam frame 6 in a plug-in manner; four mounting holes are respectively and horizontally formed in the two longitudinal sides of the cantilever of the upper beam frame 6 from outside to inside, and two swing arms 3 are respectively hinged in the mounting holes at symmetrical positions of the two sides by hinge pins 8; the middle parts of the two swing arms 3 on the left are hinged with a left-hand sliding block 5, the middle parts of the two swing arms 3 on the right are hinged with a right-hand sliding block 9, the left-hand sliding block 5 and the right-hand sliding block 9 are sleeved with a left-hand and right-hand transmission shaft 10 together, and the outer end of one side of the left-hand and right-hand transmission shaft 10 is provided with a manual crank 11; the lower parts of the two swing arms 3 on the left side are fixedly provided with a left claw fixing block 4, the left claw fixing block 4 is downwards provided with an inner claw or an outer claw, the lower parts of the two swing arms 3 on the right side are fixedly provided with a right claw fixing block 13, the right claw fixing block 13 is symmetrically provided with the inner claw or the outer claw with the same structure, and after the top ends of all the inner claws or the outer claws extend out of the left claw fixing block 4 or the right claw fixing block 13, fixing nuts 12 and/or safety nuts are arranged.
Referring to fig. 7, four horizontal mounting holes are symmetrically formed at both sides of the upper beam frame 6, respectively, and a jack is formed in the middle.
Referring to fig. 8, a circular hole of phi 20H7 is provided in the middle of each swing arm 3.
Referring to fig. 9 and 10, a left-handed thread is machined in a central through hole of the left-handed slider 5, the specification is M20, and a hinge rod is respectively fixed to the two radial sides of the central through hole and used for being inserted into a round hole of the swing arm 3. The size and structure of the right-handed slide block 9 are identical with those of the left-handed slide block 5, except that a right-handed thread is processed in the central through hole of the right-handed slide block 9, and the specification is M20.
Referring to fig. 11, the middle section of the left-right rotation transmission shaft 10 is a polished rod, and left-hand external threads and right-hand external threads are respectively provided on the outer circles of the left-hand section and the right-hand section of the left-right rotation transmission shaft 10. The left-handed external thread (with the specification of M20) is matched with the left-handed sliding block 5, the right-handed external thread (with the specification of M20) is matched with the right-handed sliding block 9, and the distance between the right-handed sliding block 9 and the left-handed sliding block 5 can be controlled by operating the manual crank 11.
Referring to fig. 14, the upper part of the hanging ring 7 is a circular ring, the lower part is a plug rod, and the hanging ring 7 extends into a jack in the middle of the upper beam frame 6 through the plug rod and is fixed reliably.
Referring to fig. 15, the left claw fixing block 4 and the right claw fixing block 13 have the same structure, and two pairs of through holes (with the specification of phi 21) are vertically formed in the upper and lower cross beams of the rectangular frame, so that the straight rod section on the upper part of the inner claw or the outer claw can conveniently pass through the through holes.
Referring to fig. 18, the fixed head of the manual crank 11 is fixedly sleeved with one end of the left-right rotation transmission shaft 10, and the other end of the manual crank 11 is in a handshake position and is manually rocked.
Referring to fig. 19, the protection rubber pad 17 is made of rubber material, and is completely wrapped on the surface of the inner claw or the outer claw, so that the large-sized bearing 1 is prevented from being scratched during hooking.
The inner claw used in the utility model is divided into an inner claw I2 and an inner claw II 14 according to the size and precision requirements of the large-sized bearing 1, and the outer claw is divided into an outer claw I15 and an outer claw II 16 according to the size and precision requirements of the large-sized bearing 1.
Example 1
Referring to fig. 2 and 12, the device of the present utility model adopts other structures of the inner jaw 12 without a protective rubber pad, which is identical to the above, except that the left jaw fixing block 4 is provided with two inner jaw 12 downward, the right jaw fixing block 13 is symmetrically provided with two inner jaw 12 with the same structure, and the lower ends of the four inner jaw 1 are tilted outward and upward, so as to be convenient for hooking the inner ring part of the large bearing 1.
Example 2
Referring to fig. 3 and 13, other structures of the outer jaw 15 adopting the unprotected rubber pad are identical to those of the embodiment 1, except that the left jaw fixing block 4 is provided with two outer jaw 15 downwards, the right jaw fixing block 13 is symmetrically provided with two outer jaw 15 with the same structure, and the lower ends of the four outer jaw 15 are tilted inwards and upwards so as to be convenient for hooking the outer ring part of the large bearing 1.
Example 3
Referring to fig. 4, 16 and 20, other structures of the inner claw two 14 with the protection rubber pad are the same as those of the embodiment 1, except that the left claw fixing block 4 is provided with two inner claw two 14 downwards, the right claw fixing block 13 is symmetrically provided with two inner claw two 14 with the same structure, and lower ends of the four inner claw two 14 extend outwards horizontally, so that the inner ring part of the large bearing 1 is conveniently hooked.
Example 4
Referring to fig. 5, 17 and 21, the other structures of the outer claw two 16 with the protection rubber pad are the same as those of the embodiment 1, except that the left claw fixing block 4 is provided with two outer claw two 16 downwards, the right claw fixing block 13 is symmetrically provided with two outer claw two 16 with the same structure, and the lower ends of the four outer claw two 16 extend inwards and horizontally, so that the outer ring part of the large bearing 1 is conveniently hooked.
The utility model relates to a use method of a large bearing lifting tool, which comprises the following steps:
step 1, determining the installation position of the swing arm 3, hinging the swing arm 3 on the upper cross beam frame 6,
the four swing arms 3 are divided into two groups which are respectively connected into symmetrical mounting holes on two sides of the upper beam frame 6 through hinge pins 8 according to the size of the large bearing 1;
step 2, installing a right-handed sliding block 9 and a left-handed sliding block 5,
round holes phi 20H7 are formed in the middle parts of the four swing arms 3 and are respectively in plug-in fit with the phi 20f7 hinging rods in the middle parts of the left-handed sliding block 5 and the right-handed sliding block 9, and the left-handed sliding block 5 and the right-handed sliding block 9 can rotate around the hinging rods in the round holes of the swing arms 3 so as to adapt to the installation angle of the swing arms 3 when being inclined;
step 3, connecting the left-right rotation transmission shaft 10,
the left-right rotation transmission shaft 10 is in threaded sleeve joint with the left-rotation sliding block 5 and the right-rotation sliding block 9, one end of the left-right rotation transmission shaft 10 is provided with left-rotation external threads M20 matched with the left-rotation sliding block 5, and the other end of the left-right rotation transmission shaft is provided with right-rotation external threads M20 matched with the right-rotation sliding block 9;
step 4, installing a left claw fixing block 4 and a right claw fixing block 13,
the left claw fixing block 4 and the right claw fixing block 13 are respectively welded at the lower parts of the swing arms 3 at two sides, so that the left claw fixing block 4, the right claw fixing block 13 and the swing arms 3 where the left claw fixing block and the right claw fixing block are positioned are manufactured into two rigid integers (the rigidity can be improved after the welding, and the integral adjustment is convenient to realize);
step 5, installing proper inner claws or outer claws,
in the through holes of the left claw fixing block 4 and the right claw fixing block 13, proper inner claws or outer claws are selected according to the size of the large bearing 1, the upper straight section of the inner claw or the outer claw is extended into the through hole, and the exposed upper end is fixed by a fixing nut 12 (the specification is M20);
step 6, installing a hanging ring 7,
the hanging ring 7 is reliably connected with the upper beam frame 6;
step 7, hooking and connecting with the large-scale bearing 1,
firstly, according to the actual size of a large bearing 1, an inner claw I2 is used for hooking on the inner ring of the large bearing 1; or the outer claw 15 is used for hooking on the outer ring of the large-scale bearing 1; if the installation environment requirement of the large-scale bearing 1 is very high, the inner claw II 14 and the outer claw II 16 with the protection rubber cushion 17 shown in the figures 16, 17, 20 and 21 are adopted to protect the surface finish of the large-scale bearing 1, avoid the surface from being scratched by collision and ensure finer installation;
then, the manual crank 11 is manually rotated to drive the left-handed sliding block 5 and the right-handed sliding block 9 to move in the same direction or in the opposite direction, and along with the movement of the left-handed sliding block 5 and the right-handed sliding block 9, the swing arms 3 at two ends are driven to swing inwards or outwards simultaneously, so that four inner and outer or four outer claws are tightly attached to the large bearing 1, the large bearing 1 is firmly fixed, and after the fixation is firm, the lifting can be implemented.
The assembly process of the lifting tool can also adjust the sequence of individual steps according to the field environment and the size specification of the large-sized bearing 1, so that the lifting can be implemented more adaptively and smoothly.
The adjustable range of the device is large, the inner circle of the large-sized bearing 1 is larger than 500mm, and the outer circle is smaller than 1400mm, so that the device can be safely used. The screw threads of M24X2.5 are arranged at the two ends of the left-handed transmission shaft 10, and have good self-locking property, so that the left-handed sliding block 5 and the right-handed sliding block 9 can be prevented from moving in the lifting process, and the swing arm 3 is ensured to be stable and safe in the whole process.
Claims (10)
1. The lifting device of the large-scale bearing lifting tool is characterized by comprising a lifting ring (7) and an upper cross beam frame (6), wherein the lifting ring (7) is arranged at the middle position of the upper surface of the upper cross beam frame (6), and the lifting ring (7) is connected with the upper cross beam frame (6) in a plugging manner; four mounting holes are respectively and horizontally formed in the two longitudinal sides of the cantilever of the upper beam frame (6) from outside to inside, and two swing arms (3) are respectively hinged in the mounting holes at symmetrical positions of the two sides by using hinge pins (8); the middle parts of the two swing arms (3) on the left are hinged with a left rotating slide block (5), the middle parts of the two swing arms (3) on the right are hinged with a right rotating slide block (9), and the left rotating slide block (5) and the right rotating slide block (9) are sleeved with a left rotating transmission shaft (10) together; the lower parts of the two swing arms (3) on the left are fixedly provided with a left claw fixing block (4), the lower parts of the two swing arms (3) on the right are fixedly provided with a right claw fixing block (13), and the left claw fixing block (4) and the right claw fixing block (13) are symmetrically provided with an inner claw or an outer claw.
2. The hoisting device for a large bearing hoisting tool as claimed in claim 1, characterized in that: the left claw fixing block (4) is provided with two inner claw pairs (2) downwards, the right claw fixing block (13) is symmetrically provided with two inner claw pairs (2) with the same structure, and the lower ends of the four inner claw pairs (2) are tilted outwards and upwards.
3. The hoisting device for a large bearing hoisting tool as claimed in claim 1, characterized in that: the left claw fixing block (4) is provided with two outer claw first (15) downwards, the right claw fixing block (13) is symmetrically provided with two outer claw first (15) with the same structure, and the lower ends of the four outer claw first (15) are tilted inwards and upwards.
4. The hoisting device for a large bearing hoisting tool as claimed in claim 1, characterized in that: the left claw fixing block (4) is provided with two inner claw pairs (14) downwards, the right claw fixing block (13) is symmetrically provided with two inner claw pairs (14) with the same structure, and the lower ends of the four inner claw pairs (14) extend outwards horizontally.
5. The hoisting device for a large bearing hoisting tool as claimed in claim 1, characterized in that: the left claw fixing block (4) is provided with two outer claw pairs (16) downwards, the right claw fixing block (13) is symmetrically provided with two outer claw pairs (16) with the same structure, and the lower ends of the four outer claw pairs (16) extend inwards horizontally.
6. The hoisting device for a large bearing hoisting tool as claimed in claim 1, characterized in that: the left claw fixing block (4) and the right claw fixing block (13) are identical in structure, and two pairs of through holes are vertically formed in the upper and lower cross beams of the rectangular frame, so that the straight rod section on the upper part of the inner claw or the outer claw can conveniently pass through the through holes.
7. The hoisting device for a large bearing hoisting tool as claimed in claim 1, characterized in that: the left-handed thread is processed in the central through hole of the left-handed sliding block (5), and a hinging rod is respectively fixed on the two radial sides of the central through hole to the outside and is used for being inserted into a round hole of the swing arm (3); the size and the structure of the right-handed sliding block (9) are consistent with those of the left-handed sliding block (5), and the difference is that a right-handed thread is processed in the central through hole of the right-handed sliding block (9).
8. The hoisting device for a large bearing hoisting tool as claimed in claim 1, characterized in that: four horizontal mounting holes are symmetrically formed in two sides of the upper beam frame (6), and insertion holes are formed in the middle of the upper beam frame.
9. The hoisting device for a large bearing hoisting tool as claimed in claim 1, characterized in that: the middle section of the left-right rotation transmission shaft (10) is a polished rod, left-hand external threads and right-hand external threads are respectively arranged on the outer circles of the left section and the right section of the left-right rotation transmission shaft (10), and a manual crank (11) is arranged at the outer end of one side of the left-right rotation transmission shaft (10); the left-handed external thread is matched with the left-handed sliding block (5), and the right-handed external thread is matched with the right-handed sliding block (9).
10. The hoisting device for a large bearing hoisting tool as claimed in claim 9, wherein: the fixed head of the manual crank (11) is fixedly sleeved with one end of the left-right rotation transmission shaft (10), and the other end of the manual crank (11) is in a handshake position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321279249.1U CN219860139U (en) | 2023-05-24 | 2023-05-24 | Hoisting device of large-scale bearing hoisting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321279249.1U CN219860139U (en) | 2023-05-24 | 2023-05-24 | Hoisting device of large-scale bearing hoisting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219860139U true CN219860139U (en) | 2023-10-20 |
Family
ID=88335657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321279249.1U Active CN219860139U (en) | 2023-05-24 | 2023-05-24 | Hoisting device of large-scale bearing hoisting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219860139U (en) |
-
2023
- 2023-05-24 CN CN202321279249.1U patent/CN219860139U/en active Active
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