CN113896123B - Adjustable support structure based on crane and use method - Google Patents
Adjustable support structure based on crane and use method Download PDFInfo
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- CN113896123B CN113896123B CN202111225920.XA CN202111225920A CN113896123B CN 113896123 B CN113896123 B CN 113896123B CN 202111225920 A CN202111225920 A CN 202111225920A CN 113896123 B CN113896123 B CN 113896123B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 47
- 230000001360 synchronised effect Effects 0.000 claims description 26
- 238000010008 shearing Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses an adjustable supporting structure based on a crane and a use method thereof, relates to the technical field of industrial lifting, and solves the problems that the existing crane mainly comprises a lifting rope, is poor in safety, is possibly damaged by inertia to a workpiece and is not beneficial to transportation. The adjustable supporting structure comprises two groups of inclined frames, wherein the main bodies of the inclined frames are U-shaped structures, and the bottoms of the two groups of inclined frames incline outwards; the supporting ring is fixedly arranged in the middle of the tops of the two groups of inclined frames, and a lifting function capable of being fixed is provided for the whole supporting structure by virtue of the scissor jack, and the scissor jack is of a stable structure, so that the stability of the supporting ring is stronger than that of a lifting rope, and the supporting ring is convenient to control; all scissor jacks work simultaneously to form a similar scissor mechanism, so that the moving length is shared, and the lifting and the lower part can be more quickly carried out.
Description
Technical Field
The invention relates to the technical field of industrial hoisting, in particular to an adjustable supporting structure based on a crane and a using method thereof.
Background
When a small-scale work is performed in a factory, it is generally necessary to transport a small-sized crane such as a robot arm, adjust the position, angle, and height of a work, and transport objects such as a work, a mold, and a package.
The existing crane mainly uses a lifting rope, is poor in safety, can damage a workpiece due to inertia influence, is unfavorable for transportation, is inconvenient for the fixed crane to transport and rotate directionally, does not have an angle-accurate regulation and rotation function, and does not have a split type lifting structure convenient to disassemble and a control method thereof.
Therefore, the existing needs are not met, and for this reason we propose an adjustable support structure based on a crane and a method of use.
Disclosure of Invention
The invention aims to provide an adjustable supporting structure based on a crane and a using method thereof, which aim to solve the problems that the existing crane proposed in the background art mainly comprises lifting ropes, is poor in safety and possibly damages a workpiece due to inertia influence, is unfavorable for transportation, is inconvenient for directional rotation of a fixed crane transportation, does not have an angle-accurate regulation and rotation function, and does not have a split type lifting structure and a control method thereof, wherein the split type lifting structure is convenient to disassemble.
In order to achieve the above purpose, the present invention provides the following technical solutions: the adjustable supporting structure comprises two groups of inclined frames, wherein the main bodies of the inclined frames are U-shaped structures, and the bottoms of the two groups of inclined frames incline outwards; the supporting ring is fixedly arranged in the middle of the tops of the two groups of inclined frames; the backing ring comprises: the transmission frame is integrally arranged in the middle of the rear side of the supporting ring, the rear side of the transmission frame is provided with a groove, and a worm is rotatably arranged in the groove; an output shaft is rotatably arranged in the middle of the transmission frame; an upper swivel base, wherein a middle frame is integrally arranged in the middle of the upper swivel base, and an inclined seat is slidably arranged at the bottom of the middle frame through a guide rail; the frame is fixedly arranged at the bottom of the upper swivel base; the scissor jacks are fixedly arranged at the bottom ends of the inclined seats, the number of the scissor jacks is eight groups, and the scissor jacks are connected with one another through flanges.
Preferably, the inclined frame comprises: the rear connecting frames are fixedly arranged at the tops of the rear sides of the two groups of inclined frames, and a hand crank shaft is rotatably arranged at the left side of each rear connecting frame; the driven shaft is rotatably arranged at the top of the rear side connecting frame, and is in transmission connection with a bevel gear arranged on the hand-operated shaft; the top end of the driven shaft penetrates through the transmission frame and is in transmission connection with the worm through a bevel gear.
Preferably, the backing ring further comprises: the worm wheel is fixedly arranged outside the output shaft and is in transmission connection with the worm; the outer end of the top of the output shaft is fixedly provided with a transmission gear; the top of the supporting ring is provided with a guide groove which is of an annular structure.
Preferably, a gear ring structure is arranged below the outer side of the upper swivel base, and the transmission gear is meshed with the upper swivel base; the number of teeth on the outer side of the upper swivel seat is 240, the number of teeth of the transmission gear is 20.
Preferably, the tilting mount includes: the top of the inclined seat is fixedly provided with a U-shaped frame which is in sliding connection with two sides of the middle frame; the top of the latch block is fixedly provided with a spring rod, and the spring rod is sleeved with a spring and penetrates through the U-shaped frame.
Preferably, the top of the middle frame is provided with a tooth surface, and the bottom surface of the latch block is matched with the top tooth surface structure of the middle frame.
Preferably, the frame includes: the middle of the frame is of a hollow structure, two groups of T-shaped wheels are rotatably arranged on two sides of the frame, and the T-shaped wheels are attached to and arranged in the guide groove.
Preferably, an L-shaped crank frame is rotatably arranged outside the screw control end of the scissor jack, and a synchronous shaft sleeve is rotatably arranged in the middle of the other side of the L-shaped crank frame through a double-row bearing; a hexagonal hole is formed in the middle of the synchronous shaft sleeve, and a synchronous shaft is arranged in the synchronous shaft sleeve in a sliding manner; the outside of the synchronizing shaft is of a hexagonal structure, and the bottom end of the synchronizing shaft is fixedly connected with the synchronizing shaft sleeve at the lowest end; one end of the screw rod of the lowest shearing fork type jack is provided with a rotary handle, and the bottom end of the shearing fork type jack group is fixedly provided with a hook.
A method of using a crane-based adjustable support structure, comprising the steps of:
1) The lifting method comprises the steps of connecting a workpiece with a hanger at the bottommost end of a scissor jack during assembly, then rotating a screw rod of the bottommost scissor jack to lock, driving a synchronous shaft sleeve in an L-shaped turning frame to rotate by the screw rod through a bevel gear when the screw rod of the bottommost scissor jack rotates, synchronously driving and connecting all synchronous shaft sleeves through a group of synchronous shafts, rotating at the same speed and in the same direction, realizing synchronous adjustment of all groups of scissor jacks, and realizing grabbing and lifting of the workpiece by contracting all groups of scissor jacks.
2) Axial position adjustment, when needs move the work piece, can directly stimulate the slope seat, the slope seat passes through the guide rail and slides in the middle frame outside, and the latch piece passes through the top of the outer spring laminating middle frame of spring beam at the in-process that the slope seat removed, realizes gravity adjustment through the frictional force automatic locking position of tooth face to bear the weight through the latch piece, the atress is little, and the slope seat can realize sliding.
3) When the circumferential position is adjusted, and the workpiece placing direction needs to be moved, the rotating hand shaft drives the driven shaft to rotate through the bevel gear, the driven shaft drives the worm to rotate through the bevel gear, the worm drives the worm wheel and the output shaft to rotate, the output shaft drives the transmission gear to rotate, the transmission gear drives the upper rotating seat to rotate, and then the circumferential adjustment of the workpiece position is achieved.
The invention provides an adjustable supporting structure based on a crane and a use method thereof, wherein a scissor jack is arranged, a lifting function capable of being fixed is provided for a supporting integral structure, the scissor jack is of a stable structure, compared with a lifting rope, the stability is stronger, the control is convenient, a workpiece is connected with a hook at the bottommost end of the scissor jack, then a screw rod of the bottommost scissor jack is rotated to lock, when the screw rod of the bottommost scissor jack rotates, the screw rod drives a synchronous shaft sleeve in an L-shaped crank frame to rotate through a bevel gear, all the synchronous shaft sleeves are synchronously connected through a group of synchronous shafts in a transmission manner, the synchronous shafts rotate in the same direction at the same speed, the synchronous adjustment of each group of scissor jacks is realized, the grabbing and lifting of the workpiece are realized through contracting each group of scissor jacks, the scissor jacks can be increased or decreased as required, all the scissor jacks can work simultaneously to form a fork-like mechanism, the moving length is shared, and the lifting and the lower part can be more rapidly carried out.
Go up the setting of swivel mount and tilting seat, the setting of two-way adjustment function is provided for bearing structure, can adjust the position of removal work piece and the direction of putting of work piece, manpower consumption has been reduced by a wide margin, when needs move the work piece, can directly stimulate the tilting seat, the tilting seat passes through the guide rail and slides in the middle frame outside, the in-process latch piece that moves at the tilting seat passes through the top of the outer spring laminating middle frame of spring rod, realize gravity adjustment through the frictional force automatic locking position of tooth face, and carry out the atress through the latch piece, the stress is little, the tilting seat can realize sliding when needs move the work piece and put the direction, rotate the hand axle and utilize bevel gear to drive the driven shaft rotatory, the driven shaft drives the worm rotatory through bevel gear, worm drive worm wheel and output shaft rotation, the output shaft drives the drive gear and rotates, the rotation is gone up the swivel mount to the circumference adjustment of work piece position, and then realize the accurate regulation and control rotation effect of angle.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of an axial structure in an embodiment of the present invention;
FIG. 3 is a schematic top view of an upper swivel base in an embodiment of the invention;
FIG. 4 is a schematic view showing a three-dimensional bottom view of an upper swivel base in an embodiment of the invention;
FIG. 5 is a schematic perspective view of a frame according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a control structure of a scissor jack in an embodiment of the invention;
FIG. 7 is a schematic view of a partial enlarged structure of an embodiment of the present invention;
FIG. 8 is a schematic view of a partial enlarged structure B according to an embodiment of the present invention;
In fig. 1 to 8, the correspondence between the component names or lines and the drawing numbers is:
1. An inclined frame; 101. the rear side is connected with a frame; 102. a hand crank shaft; 103. a driven shaft; 2. a backing ring; 201. a transmission frame; 202. a worm; 203. an output shaft; 204. a worm wheel; 205. a transmission gear; 206. a guide groove; 3. a rotating seat is arranged; 301. a middle frame; 4. an inclined seat; 401. a U-shaped frame; 402. a latch block; 403. a spring rod; 5. a frame; 501. a T-wheel; 6. scissor jack; 7. an L-shaped crutch rack; 8. a synchronizing sleeve; 9. and synchronizing the shafts.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 8, an embodiment of the present invention provides: the utility model provides an adjustable bearing structure based on hoist and application method, includes inclined frame 1, and the quantity of inclined frame 1 sets up into two sets of, and inclined frame 1's main part is U-shaped structure, and the bottom of two sets of inclined frame 1 inclines outwards; the supporting rings 2 are fixedly arranged in the middle of the tops of the two groups of inclined frames 1; the backing ring 2 comprises: the transmission frame 201 is integrally arranged in the middle of the rear side of the supporting ring 2, the rear side of the transmission frame 201 is provided with a groove, and a worm 202 is rotatably arranged in the groove; an output shaft 203 is rotatably arranged in the middle of the transmission frame 201; the upper swivel base 3, the middle of the upper swivel base 3 is integrally provided with a middle frame 301, and the bottom of the middle frame 301 is slidably provided with an inclined seat 4 through a guide rail; the frame 5 is fixedly arranged at the bottom of the upper swivel base 3 in a circular array manner; the shearing fork type jacks 6 are fixedly arranged at the bottom ends of the inclined seats 4, the number of the shearing fork type jacks 6 is eight, and the shearing fork type jacks 6 are connected with one another through flanges.
Wherein, the oblique frame 1 includes: the rear connecting frames 101 are fixedly arranged at the tops of the rear sides of the two groups of inclined frames 1, and a hand crank shaft 102 is rotatably arranged at the left side of the rear connecting frames 101; the driven shaft 103 is rotatably arranged at the top of the rear side connecting frame 101, and the driven shaft 103 is in transmission connection with the hand crank shaft 102 through a bevel gear; the top end of the driven shaft 103 passes through the transmission frame 201 and is in bevel gear transmission connection with the worm 202.
Referring to fig. 1, the arrangement of the hand shaft 102 and the driven shaft 103 provides a manual power transmission structure capable of driving the worm 202 to rotate, providing a subsequent driving force.
Wherein, the backing ring 2 also includes: a worm wheel 204, wherein the worm wheel 204 is fixedly arranged outside the output shaft 203, and the worm wheel 204 is in transmission connection with the worm 202; the transmission gear 205 is fixedly arranged at the outer end of the top of the output shaft 203; the top of the supporting ring 2 is provided with a guide groove 206, and the guide groove 206 is of an annular structure; a gear ring structure is arranged below the outer side of the upper swivel base 3, and a transmission gear 205 is meshed with the upper swivel base 3; the number of teeth on the outer side of the upper swivel base 3 is 480, and the number of teeth of the transmission gear 205 is 20.
Referring to fig. 7, the worm wheel 204 and the transmission gear 205 can be in transmission connection with the worm 202, the power transmission is continued, the worm 202 drives the worm wheel 204 and the output shaft 203 to rotate, the output shaft 203 drives the transmission gear 205 to rotate, and the transmission gear 205 drives the upper swivel mount 3 to rotate, so that accurate direction adjustment of the workpiece is realized.
Wherein, the tilting seat 4 includes: the top of the inclined seat 4 is fixedly provided with a U-shaped frame 401, and the U-shaped frame 401 is in sliding connection with two sides of the middle frame 301; the latch block 402, the top of the latch block 402 is fixedly provided with a spring rod 403, and the spring rod 403 is sleeved with a spring and penetrates through the U-shaped frame 401; the top of the middle frame 301 is provided with a tooth surface, and the bottom surface of the latch block 402 is matched with the top tooth surface structure of the middle frame 301.
Referring to fig. 8, the arrangement of the latch block 402 and the middle frame 301 provides a positioning and self-locking function for the supporting structure, when a workpiece needs to be moved, the inclined seat 4 can be directly pulled to move, and in the moving process of the inclined seat 4, the latch block 402 is attached to the top of the middle frame 301 through a spring outside the spring rod 403, and the position is automatically locked through the friction force of the tooth surface.
Wherein, the frame 5 includes: the middle of the frame 5 is of a hollow structure, two groups of T-shaped wheels 501 are rotatably arranged on two sides of the frame 5, and the T-shaped wheels 501 are attached to the guide grooves 206.
The outer part of the screw control end of the scissor jack 6 is rotatably provided with an L-shaped crank frame 7, and the middle of the other side of the L-shaped crank frame 7 is rotatably provided with a synchronous shaft sleeve 8 through a double-row bearing; a hexagonal hole is formed in the middle of the synchronizing shaft sleeve 8, and a synchronizing shaft 9 is arranged in the synchronizing shaft sleeve 8 in a sliding manner; the outside of the synchronizing shaft 9 is of a hexagonal structure, and the bottom end of the synchronizing shaft 9 is fixedly connected with the synchronizing shaft sleeve 8 at the lowest end; one end of the screw rod of the lowest shearing fork type jack 6 is provided with a rotary handle, and the bottom end of the shearing fork type jack 6 is fixedly provided with a hook.
Referring to fig. 6, when a group of scissor jacks 6 are rotated, all the scissor jacks 6 can be driven to perform constant-speed adjustment, adjustment of the lifting position can be synchronously realized, and the synchronizing shaft 9 and the synchronizing shaft sleeve 8 keep rotating synchronously, so that transmission can be ensured while the scissor jacks 6 are unfolded up and down.
Working principle:
1) According to the lifting method, during assembly, a workpiece is connected with a hanger at the bottommost end of the scissor jack 6, then a screw rod of the bottommost scissor jack 6 is rotated to lock, when the screw rod of the bottommost scissor jack 6 rotates, the screw rod drives a synchronous shaft sleeve 8 in an L-shaped turning frame 7 to rotate through a bevel gear, all the synchronous shaft sleeves 8 are synchronously connected in a transmission mode through a group of synchronous shafts 9, and rotate at the same speed and in the same direction, so that synchronous adjustment of all the scissor jacks 6 is realized, and grabbing and lifting of the workpiece are realized by contracting all the scissor jacks 6.
2) Axial position adjustment, when needs move the work piece, can directly stimulate inclined seat 4, inclined seat 4 slides outside intermediate frame 301 through the guide rail, and the spring outside the spring bar 403 is laminated at inclined seat 4 in-process latch piece 402 and is put at the top of intermediate frame 301, realizes gravity adjustment through the frictional force automatic locking position of tooth face to carry out the atress through latch piece 402, the atress is little, inclined seat 4 can realize sliding.
3) When the circumferential position is adjusted and the placing direction of a workpiece needs to be moved, the hand-operated shaft 102 is rotated to drive the driven shaft 103 to rotate by using the bevel gear, the driven shaft 103 drives the worm 202 to rotate by using the bevel gear, the worm 202 drives the worm wheel 204 and the output shaft 203 to rotate, the output shaft 203 drives the transmission gear 205 to rotate, and the transmission gear 205 drives the upper rotating seat 3 to rotate, so that the circumferential adjustment of the position of the workpiece is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (3)
1. A crane-based adjustable support structure, characterized in that it comprises:
the inclined frames (1), the number of the inclined frames (1) is two, the main body of the inclined frames (1) is of a U-shaped structure, and the bottoms of the two inclined frames (1) incline outwards;
The support ring (2) is fixedly arranged in the middle of the tops of the two groups of inclined frames (1); the supporting ring (2) comprises:
the transmission frame (201) is integrally arranged in the middle of the rear side of the supporting ring (2), the rear side of the transmission frame (201) is provided with a groove, and a worm (202) is rotatably arranged in the groove; an output shaft (203) is rotatably arranged in the middle of the transmission frame (201);
an upper swivel base (3), wherein a middle frame (301) is integrally arranged in the middle of the upper swivel base (3), and an inclined base (4) is slidably arranged at the bottom of the middle frame (301) through a guide rail;
the frame (5) is fixedly arranged at the bottom of the upper swivel base (3) in a circular array manner;
the scissor jacks (6) are fixedly arranged at the bottom ends of the inclined seats (4), the number of the scissor jacks (6) is eight, and the scissor jacks (6) are connected with one another through flanges;
The inclined frame (1) comprises:
the rear side connecting frames (101), the rear side top parts of the two groups of inclined frames (1) are fixedly provided with rear side connecting frames (101), and the left side of the rear side connecting frames (101) is rotatably provided with a hand crank shaft (102);
The driven shaft (103) is rotatably arranged at the top of the rear side connecting frame (101), and the driven shaft (103) is in transmission connection with a bevel gear arranged on the hand crank shaft (102); the top end of the driven shaft (103) passes through the transmission frame (201) and is in transmission connection with the worm (202) through a bevel gear;
the supporting ring (2) further comprises:
A worm wheel (204), wherein the worm wheel (204) is fixedly arranged outside the output shaft (203), and the worm wheel (204) is in transmission connection with the worm (202);
The transmission gear (205) is fixedly arranged at the outer end of the top of the output shaft (203);
the top of the supporting ring (2) is provided with a guide groove (206), and the guide groove (206) is of an annular structure;
a gear ring structure is arranged below the outer side of the upper swivel mount (3), and a transmission gear (205) is meshed with the gear ring of the upper swivel mount (3);
The tilting mount (4) comprises:
The top of the inclined seat (4) is fixedly provided with a U-shaped frame (401), and the U-shaped frame (401) is in sliding connection with two sides of the middle frame (301);
The spring rod (403) is fixedly arranged at the top of the latch block (402), and the spring rod (403) is sleeved with a spring and penetrates through the U-shaped frame (401);
the top of the middle frame (301) is provided with a tooth surface, and the bottom surface of the latch block (402) is in structural fit with the top tooth surface of the middle frame (301);
the frame (5) comprises:
The T-shaped wheels (501) are of hollow structures in the middle of the frame (5), two groups of T-shaped wheels (501) are rotatably arranged on two sides of the frame (5), and the T-shaped wheels (501) are arranged in the guide grooves (206) in a fitting mode.
2. The adjustable supporting structure based on the crane according to claim 1, wherein an L-shaped turning frame (7) is rotatably arranged outside a screw control end of the scissor jack (6), and a synchronous shaft sleeve (8) is rotatably arranged in the middle of the other side of the L-shaped turning frame (7) through a double-row bearing;
A hexagonal hole is formed in the middle of the synchronous shaft sleeve (8), and a synchronous shaft (9) is arranged in the synchronous shaft sleeve (8) in a sliding manner; the outside of the synchronizing shaft (9) is of a hexagonal structure, and the bottom end of the synchronizing shaft (9) is fixedly connected with the synchronizing shaft sleeve (8) at the lowest end; one end of a screw rod of the lowest shearing fork type jack (6) is provided with a rotary handle, and the bottom end of the shearing fork type jack (6) is fixedly provided with a hook.
3. Use of an adjustable support structure based on a crane according to any of claims 1-2, comprising the steps of:
1) The lifting method comprises the steps that during assembly, a workpiece is connected with a hanger at the bottommost end of a scissor jack (6), then a screw rod of the bottommost scissor jack (6) is rotated to be locked, when the screw rod of the bottommost scissor jack (6) rotates, the screw rod drives a synchronous shaft sleeve (8) in an L-shaped turning frame (7) to rotate through a bevel gear, all the synchronous shaft sleeves (8) are synchronously connected in a transmission manner through a group of synchronous shafts (9), and rotate at the same speed and in the same direction, so that synchronous adjustment of all the scissor jacks (6) is realized, and grabbing and lifting of the workpiece are realized through shrinkage of all the scissor jacks (6);
2) Axial position adjustment, when a workpiece needs to be moved, the inclined seat (4) can be directly pulled, the inclined seat (4) slides outside the middle frame (301) through the guide rail, the latch block (402) is attached to the top of the middle frame (301) through a spring outside the spring rod (403) in the moving process of the inclined seat (4), the position is automatically locked through the friction force of the tooth surface, gravity adjustment is realized, and the inclined seat (4) can realize sliding due to the fact that the latch block (402) is stressed with small stress;
3) When the circumferential position is adjusted and the placing direction of a workpiece needs to be moved, the hand-operated shaft (102) is rotated to drive the driven shaft (103) to rotate by using the bevel gear, the driven shaft (103) drives the worm (202) to rotate by using the bevel gear, the worm (202) drives the worm wheel (204) and the output shaft (203) to rotate, the output shaft (203) drives the transmission gear (205) to rotate, and the transmission gear (205) drives the upper rotating seat (3) to rotate, so that the circumferential adjustment of the position of the workpiece is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111225920.XA CN113896123B (en) | 2021-10-21 | 2021-10-21 | Adjustable support structure based on crane and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111225920.XA CN113896123B (en) | 2021-10-21 | 2021-10-21 | Adjustable support structure based on crane and use method |
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| Publication Number | Publication Date |
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| CN113896123A CN113896123A (en) | 2022-01-07 |
| CN113896123B true CN113896123B (en) | 2024-08-09 |
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| CN213738370U (en) * | 2020-10-28 | 2021-07-20 | 柳州宣桥预应力机械有限公司 | Jack with continuous lifting function |
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| US11655128B2 (en) * | 2017-05-01 | 2023-05-23 | Tulsa Winch, Inc. | Work area indicator |
| CN212198229U (en) * | 2020-04-08 | 2020-12-22 | 宋跃君 | Hoisting mechanism for mounting mine electromechanical equipment |
| CN112145795A (en) * | 2020-09-22 | 2020-12-29 | 叶飞 | Installation device for laying hydraulic pipeline |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213738370U (en) * | 2020-10-28 | 2021-07-20 | 柳州宣桥预应力机械有限公司 | Jack with continuous lifting function |
| CN112758836A (en) * | 2021-03-07 | 2021-05-07 | 李涛 | Automatic lifting device of building engineering |
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| CN113896123A (en) | 2022-01-07 |
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