CN113479802A - Hoisting and lifting device for steel structure net rack rod piece and working method thereof - Google Patents
Hoisting and lifting device for steel structure net rack rod piece and working method thereof Download PDFInfo
- Publication number
- CN113479802A CN113479802A CN202110801903.XA CN202110801903A CN113479802A CN 113479802 A CN113479802 A CN 113479802A CN 202110801903 A CN202110801903 A CN 202110801903A CN 113479802 A CN113479802 A CN 113479802A
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- China
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- speed
- steel structure
- speed regulating
- nut seat
- net rack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
- B66D1/24—Power transmissions between power sources and drums or barrels for varying speed or reversing direction of rotation of drums or barrels, i.e. variable ratio or reversing gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/30—Rope, cable, or chain drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
Abstract
The invention discloses a hoisting and lifting device for a steel structure net rack rod piece, wherein a first motor is arranged on a base, the output end of the first motor is connected with a speed reducer, the two ends of the output shaft of the speed reducer are respectively connected with a speed regulating wheel and a winding disc, the speed reducer is also provided with a speed regulating frame for controlling the rotating speed of the speed regulating wheel, a cable of the winding disc is connected with a lifting frame by bypassing a movable pulley on a frame, a triangular block of the lifting frame is inserted into the steel structure net rack rod piece, a screw rod is driven by three motors to rotate, a screw seat is driven by the screw rod to move upwards, the screw seat drives sliding blocks at two sides to move oppositely on a guide rod through a connecting plate, so that positioning rods of the two triangular blocks move oppositely, positioning rods of the two triangular blocks are mutually crossed and locked, the speed reducer is driven by the first motor to drive the two winding discs to be synchronously wound, and the hoisting of the steel structure net rack rod piece is more stable, the side turning of the steel structure net rack rod piece caused by uneven stress in the lifting process is avoided to a limited extent.
Description
Technical Field
The invention relates to the technical field of lifting equipment, in particular to a hoisting and lifting device for a steel structure net rack rod piece and a working method thereof.
Background
The existing engineering construction needs to hoist large-scale steel structure net rack rod pieces frequently, the lifting lugs are installed on the steel structure net rack rod pieces in the existing hoisting method, then the lifting lugs are utilized for hoisting, and the method has the following defects:
1. because the steel structure net rack rod piece is usually large in size and heavy in weight, the steel structure net rack rod piece is easy to swing in the lifting process and poor in stability due to the lifting of the lifting lugs;
2. the existing hoisting mechanism is usually hoisted by an electric hoist, the hoisting speed of the steel structure net rack rod piece can only be regulated by a motor singly, and the limitation is large;
in view of the above technical drawbacks, a solution is proposed.
Disclosure of Invention
The invention aims to provide a hoisting and lifting device for a steel structure net rack rod piece, which ensures the hoisting stability of the steel structure net rack rod piece through bidirectional support of the steel structure net rack rod piece, and meanwhile, the speed regulator is arranged at the output end of the speed reducer, so that the speed regulator can control the speed during hoisting on one hand, and the hoisting mechanism is locked when a fault occurs on the other hand, the steel structure net rack rod piece is prevented from falling off, and the hoisting safety is ensured.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a hoist and mount lifting device for steel construction rack member, includes the base, install motor one on the base, the output of motor one is connected with the reduction gear, the output shaft both ends of reduction gear are connected with flywheel and rolling dish respectively, still be provided with the speed governing frame that is used for the flywheel to carry out speed control on the reduction gear, the hawser of rolling dish is walked around the movable pulley in the frame and is connected with the gallows.
As a further scheme of the invention: the winding device is characterized in that inverted U-shaped supports are fixedly arranged on the output shafts at the two ends of the speed reducer and positioned on the two sides of the winding disc, the tops of the U-shaped supports are made of two supporting blocks through locking bolts, arc-shaped grooves are formed in the middle positions of the opposite surfaces of the two supporting blocks, and rotating bearings for erecting the speed reducer are arranged in the arc-shaped grooves.
As a further scheme of the invention: the speed regulation frame comprises a first speed regulation mechanism and a second speed regulation mechanism, the first speed regulation mechanism and the second speed regulation mechanism are completely consistent in structure and are of a quadrilateral frame structure as a whole;
the speed regulating mechanism comprises a speed regulating mechanism I, a speed regulating mechanism II, a nut seat I, a nut seat II, a fixing seat I, a fixing seat II, a nut seat I, a nut seat II, a nut I, a nut II, a nut seat II and a nut seat II, the first nut seat and the second nut seat are completely consistent in structure, and the first nut seat and the second nut seat are symmetrical about a central line of the screw in the vertical direction.
As a further scheme of the invention: the first connecting arm and the second connecting arm are completely consistent and are of a crescent structure, the middle position of the inner side concave surface of the first connecting arm is rotatably connected with a first speed regulation disc, the middle position of the inner side concave surface of the second connecting arm is rotatably connected with a second speed regulation disc, the first speed regulation disc and the second speed regulation disc are completely consistent in structure, arc-shaped grooves matched with the first speed regulation wheel and the second speed regulation wheel are formed in the side face, opposite to the first speed regulation disc and the second speed regulation disc, of the first speed regulation disc and the second speed regulation disc are respectively arranged on two sides of the first speed regulation wheel and the second speed regulation disc.
As a further scheme of the invention: the first four frames of the speed regulating mechanism and the second four frames of the speed regulating mechanism are connected through transverse plates, the transverse plates are arranged in two, the transverse plates are arranged on two sides of the top ends of the first four frames of the speed regulating mechanism and the second four frames of the speed regulating mechanism respectively, a second motor is arranged in the middle of the outer side surface of the transverse plate on one side of the transverse plate, the output end of the second motor is connected with a first gear, the first speed regulating mechanism and a vertical plate, which penetrates through one side of the four frames, of one end of a screw rod inside the second speed regulating mechanism are connected with a second gear, and the second gear on the first speed regulating mechanism, the second gear on the second speed regulating mechanism and the first gear at the output end of the second motor are connected through gear belt meshing.
As a further scheme of the invention: the first connecting arm is composed of two strip-shaped plates, two grooves matched with the strip-shaped plates of the first connecting arm are formed in the back face of the first speed adjusting disc, and the first speed adjusting disc is connected to the strip-shaped plates of the first connecting arm in a clamping mode through the grooves in the back face of the first speed adjusting disc.
As a further scheme of the invention: the top surface of the inner top surface of the first four frames of the speed regulating mechanism is provided with a sliding groove along the axial direction of the screw rod, the top surfaces of the first nut seat and the second nut seat are provided with sliding blocks matched with the sliding groove, and the first nut seat and the second nut seat are connected to the sliding groove of the inner top surface of the first speed regulating mechanism in a sliding mode through the sliding blocks on the top surface.
As a further scheme of the invention: the rack is composed of two framework in a shape like the Chinese character 'ji', a connecting rod is arranged between the two framework in the shape like the Chinese character 'ji', a limiting ring is arranged in the middle of the connecting rod, and movable pulleys are connected to the two ends of the connecting rod in a sliding mode.
As a further scheme of the invention: the lifting frame comprises a U-shaped plate, a connecting ring connected with a cable is arranged at the top of the U-shaped plate, a third motor is fixedly arranged in the middle of the top surface of the outer part of the U-shaped plate, the output end of the third motor penetrates through the top of the U-shaped plate and is connected with a lead screw, and a nut seat is coupled to the lead screw;
the fixed guide bar that is provided with in inside of U template, the both ends sliding connection of guide bar has the sliding block, the sliding block passes through the connecting plate with the screw seat and articulates, the fixed triangular block that is provided with in bottom of sliding block, the right angle edge of triangular block is provided with the locating lever.
The invention has the beneficial effects that:
(1) the steel structure net rack rod piece is synchronously lifted by arranging two groups of lifting mechanisms, namely two sides of the steel structure net rack rod piece are respectively clamped by two lifting frames, specifically, triangular blocks of the lifting frames are inserted into the steel structure net rack rod piece, a screw rod is driven to rotate by a motor III, a screw seat is driven to move upwards by the screw rod, the screw seat drives sliding blocks on two sides to move oppositely on guide rods through a connecting plate, so that the two triangular blocks move oppositely, positioning rods of the two triangular blocks are mutually crossed and locked to finish the fixation of the steel structure net rack rod piece, and a reducer is driven by a motor I to drive two winding disks to synchronously wind, so that the lifting of the steel structure net rack rod piece is more stable, and the steel structure net rack rod piece is prevented from turning over due to uneven stress in the lifting process;
(2) the speed regulation frame is arranged, in the lifting process of a steel structure net rack rod piece, a gear is driven by a motor II to synchronously rotate a speed regulation mechanism I and a gear II on the speed regulation mechanism II through a gear belt, so that a screw rod in the speed regulation mechanism I and a screw rod in the speed regulation mechanism II synchronously rotate, a nut seat I and a nut seat II at two ends of the screw rod move oppositely, a connecting arm I and a connecting arm II are driven by the nut seat I and the nut seat II to move to the speed regulation wheel, a speed regulation disc I on the connecting arm I and a speed regulation disc II on the connecting arm II are pressed tightly, the speed regulation effect on the speed regulation wheel is realized, the speed regulation frame is matched with the speed regulation operation of the motor I, and the speed of a lifting mechanism is more stable;
simultaneously, through the setting of speed governing frame, when the hoisting structure promotes the in-process and breaks down, carry out the locking to the speed governing wheel through the speed governing frame, can avoid steel construction rack member to take place the landing under the effect of weight, further guarantee the security that steel construction rack member lifted by crane.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic structural view of a governor rack of the present invention;
FIG. 3 is a schematic view of the gear belt of the present invention;
fig. 4 is a schematic view of the structure of the lifting frame of the present invention.
In the figure: 1. a base; 101. a first motor; 102. a speed reducer; 103. a speed-regulating wheel; 2. a winding disc; 201. a U-shaped bracket; 3. a frame; 301. a connecting rod; 302. a limiting ring; 303. a movable pulley; 4. a speed regulation frame; 401. a first speed regulating mechanism; 402. a second speed regulating mechanism; 403. a transverse plate; 404. a second motor; 405. a first gear; 406. a second gear; 407. a gear belt; 5. a fixed seat; 501. a first connecting arm; 502. a first speed regulation disc; 503. a second connecting arm; 504. a second speed adjusting disc; 505. a first fixed block; 506. a first nut seat; 507. a second fixed block; 508. a second nut seat; 509. a screw; 6. lifting the hanger; 601. a U-shaped plate; 602. a connecting ring; 603. a third motor; 604. a screw rod; 605. a nut seat; 606. a guide bar; 607. a slider; 608. a connecting plate; 609. a triangular block; 610. and (5) positioning the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the invention relates to a hoisting and lifting device for a steel structure net rack rod, which comprises a base 1, wherein a first motor 101 is installed on the base 1, the output end of the first motor 101 is connected with a speed reducer 102, two ends of the output shaft of the speed reducer 102 are respectively connected with a speed regulating wheel 103 and a winding disc 2, the speed reducer 102 is further provided with a speed regulating frame 4 for controlling the rotating speed of the speed regulating wheel 103, and a cable of the winding disc 2 is connected with a lifting frame 6 by bypassing a movable pulley 303 on a frame 3.
During the use, drive reduction gear 102 through motor 101, make two coiling dish 2 work of reduction gear 102 drive, realize the coiling and unreeling to the cable to accomplish the ascending removal of steel construction rack member in vertical direction.
Referring to fig. 1, inverted U-shaped brackets 201 are fixedly arranged on output shafts at two ends of the speed reducer 102 and on two sides of the winding disc 2, the top of each U-shaped bracket 201 is made of two supporting blocks through a locking bolt, an arc-shaped groove is formed in the middle of the opposite surfaces of the two supporting blocks, and a rotating bearing for erecting the speed reducer 102 is arranged in each arc-shaped groove.
During the use, through setting up two rolling dishes 2, make the promotion of steel structure rack member more stable, effectively avoid steel structure rack member to take place the swing because the atress is uneven in the promotion process, and through the setting of U type support 201, make the output shaft of reduction gear 102 rotate the in-process more steady.
Referring to fig. 1-3, the speed regulation frame 4 includes a first speed regulation mechanism 401 and a second speed regulation mechanism 402, and the first speed regulation mechanism 401 and the second speed regulation mechanism 402 have completely identical structures and are integrally of a quadrilateral frame structure, so that the first speed regulation mechanism 401 and the second speed regulation mechanism 402 respectively act on the speed regulation wheels 103 at two ends of the output shaft of the speed reducer 102.
Further, a fixed seat 5 is fixedly arranged in the middle of the bottom surface of the four frames of the first speed regulating mechanism 401, the fixed seat 5 is of a cuboid cavity structure with an uncovered top surface, two ends of the surface of the fixed seat 5 are both protruded upwards, two ends of the surface of the fixed seat 5 are respectively connected with a first connecting arm 501 and a second connecting arm 503 through hinges, the first connecting arm 501 and the second connecting arm 503 are vertically arranged in the four frames, the top end of the first connecting arm 501 is hinged with a first fixed block 505, the first fixed block 505 is fixedly arranged on the bottom surface of the first nut seat 506, the top end of the second connecting arm 503 is hinged with a second fixed block 507, the second fixed block 507 is fixedly arranged on the bottom surface of a second nut seat 508, screw rods 509 are arranged between the vertical plates on two sides of the four frames of the first speed regulating mechanism 401, and the screw threads at two ends of the central line in the vertical direction are opposite, the two ends of the screw 509 are respectively provided with a first nut seat 506 and a second nut seat 508 through threaded connection, the first nut seat 506 and the second nut seat 508 are completely consistent in structure, the first nut seat 506 and the second nut seat 508 are symmetrical about a central line in the vertical direction of the screw 509, the first connecting arm 501 and the second connecting arm 503 are completely consistent in structure and are in a crescent structure, the middle position of the concave surface on the inner side of the first connecting arm 501 is rotatably connected with a first speed regulation disk 502, the middle position of the concave surface on the inner side of the second connecting arm 503 is rotatably connected with a second speed regulation disk 504, the structures of the first speed regulation disk 502 and the second speed regulation disk 504 are completely consistent, the side surfaces of the first speed regulation disk 502 and the second speed regulation disk 504 are respectively provided with an arc-shaped groove matched with the speed regulation wheel 103, the first speed regulation disk 502 and the second speed regulation disk 504 are respectively arranged on two sides of the speed regulation wheel 103, and the four side frames of the first speed regulation mechanism 401 and the four side frames of the second speed regulation mechanism 402 are connected through a transverse plate 403, the two transverse plates 403 are respectively arranged at two sides of the top ends of four frames of a first speed regulating mechanism 401 and a second speed regulating mechanism 402, a second motor 404 is arranged in the middle of the outer side surface of the transverse plate 403 on one side, the output end of the second motor 404 is connected with a first gear 405, one ends of screws 509 inside the first speed regulating mechanism 401 and the second speed regulating mechanism 402 penetrate through vertical plates on one side of the four frames and are connected with a second gear 406, and the second gear 406 on the first speed regulating mechanism 401, the second gear 406 on the second speed regulating mechanism 402 and the first gear 405 at the output end of the second motor 404 are meshed and connected through gear belts 407.
When the speed regulation device is used, the first gear 405 is driven by the second motor 404 to drive the first speed regulation mechanism 401 and the second gear 406 on the second speed regulation mechanism 402 to synchronously rotate through the gear belt 407, so that the first speed regulation mechanism 401 and the screw 509 in the second speed regulation mechanism 402 synchronously rotate, the first nut seat 506 and the second nut seat 508 at the two ends of the screw 509 move oppositely, the first connecting arm 501 and the second connecting arm 503 are driven by the first nut seat 506 and the second nut seat 508 to move towards the speed regulation wheel 103, the first speed regulation disk 502 on the first connecting arm 501 and the second speed regulation disk 504 on the second connecting arm 503 are pressed on the speed regulation wheel 103, the speed regulation effect of the speed regulation wheel 103 is realized, and the speed regulation frame 4 is matched with the speed regulation operation of the first motor 101, so that the speed of the lifting mechanism is more stable.
Referring to fig. 2-3, the first connecting arm 501 is formed by two strip-shaped plates, two grooves matched with the strip-shaped plates of the first connecting arm 501 are formed in the back surface of the first speed regulating disc 502, and the first speed regulating disc 502 is clamped on the strip-shaped plates of the first connecting arm 501 through the grooves in the back surface, so that the first connecting arm 501 and the first speed regulating disc 502 are connected more tightly.
Referring to fig. 2 to 3, sliding grooves are formed in the top surface of the four inner side frames of the first speed regulating mechanism 401 along the axial direction of the screw 509, sliding blocks matched with the sliding grooves are arranged on the top surfaces of the first nut seat 506 and the second nut seat 508, and the first nut seat 506 and the second nut seat 508 are connected to the sliding grooves in the top surface of the first speed regulating mechanism 401 through the sliding blocks on the top surface, so that the first nut seat 506 and the second nut seat 508 move more stably in the speed regulating process and are strong in structural firmness.
Referring to fig. 1, the frame 3 is composed of two frames in a shape like "7", a connecting rod 301 is disposed between the two frames in a shape like "7", a limiting ring 302 is disposed at the middle of the connecting rod 301, and two ends of the connecting rod 301 are slidably connected with movable pulleys 303.
During the use, movable pulley 303 can slide and the rotation on connecting rod 301, makes movable pulley 303 drive hawser rolling position and removes, effectively places the hawser and takes place to range upon range of on rolling dish 2 at the rolling in-process.
Referring to fig. 4, the lifting frame 6 includes a U-shaped plate 601, a connection ring 602 connected to a cable is disposed on the top of the U-shaped plate 601, a third motor 603 is fixedly disposed at the middle position of the outer top surface of the U-shaped plate 601, an output end of the third motor 603 penetrates through the top of the U-shaped plate 601 to be connected to a lead screw 604, and a nut seat 605 is coupled to the lead screw 604. The inside of U-shaped board 601 is fixed and is provided with guide bar 606, the both ends sliding connection of guide bar 606 has sliding block 607, sliding block 607 passes through connecting plate 608 with screw seat 605 and articulates, the bottom of sliding block 607 is fixed and is provided with triangle-shaped block 609, the right angle edge of triangle-shaped block 609 is provided with locating lever 610.
When the fixing device is used, the screw rod 604 is driven to rotate by the motor III 603, the screw seat 605 is driven to move upwards by the screw rod 604, the screw seat 605 drives the sliding blocks 607 on the two sides to move oppositely on the guide rods 606 by the connecting plate 608, so that the two triangular blocks 609 move oppositely, the positioning rods 610 of the two triangular blocks 609 are mutually locked in a cross mode, and the fixing of the steel structure net rack rod piece is completed.
The working principle of the invention is as follows:
the two sides of the steel structure net rack rod piece are respectively clamped through the two lifting frames 6, the triangular blocks 609 of the lifting frames 6 are inserted into the steel structure net rack rod piece, the screw rod 604 is driven to rotate through the motor III 603, the screw seat 605 is driven to move upwards through the screw rod 604, the screw seat 605 drives the sliding blocks 607 at the two sides to move oppositely on the guide rod 606 through the connecting plate 608, the two triangular blocks 609 move oppositely, the positioning rods 610 of the two triangular blocks 609 are mutually crossed and locked, the fixing of the steel structure net rack rod piece is completed, the speed reducer 102 is driven through the motor I101, the speed reducer 102 drives the two winding disks 2 to rotate and wind the cable rope, the lifting of the steel structure net rack rod piece is realized, in the lifting process of the steel structure net rack rod piece, the driving gear 405 through the gear belt 407 drives the gear II on the speed regulating mechanism I401 and the gear II 406 on the speed regulating mechanism II 402 to synchronously rotate, therefore, the screw 509 in the first speed regulating mechanism 401 and the screw 509 in the second speed regulating mechanism 402 synchronously rotate, the first nut seat 506 and the second nut seat 508 at the two ends of the screw 509 move oppositely, the first connecting arm 501 and the second connecting arm 503 are driven by the first nut seat 506 and the second nut seat 508 to move towards the speed regulating wheel 103, the first speed regulating disc 502 on the first connecting arm 501 and the second speed regulating disc 504 on the second connecting arm 503 are enabled to compress the speed regulating wheel 103, and the speed regulating effect of the speed regulating wheel 103 is realized.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. The utility model provides a hoist and mount lifting device for steel construction rack rod piece, includes base (1), install motor (101) on base (1), the output of motor (101) is connected with reduction gear (102), its characterized in that, the output shaft both ends of reduction gear (102) are connected with flywheel (103) and rolling dish (2) respectively, still be provided with on reduction gear (102) and be used for flywheel (103) to carry out speed control's speed governing frame (4), movable pulley (303) on frame (3) are walked around to the hawser of rolling dish (2) are connected with out gallows (6).
2. The hoisting and lifting device for the steel structure net rack rod piece according to claim 1, wherein inverted U-shaped brackets (201) are fixedly arranged on the output shafts at the two ends of the speed reducer (102) and positioned at the two sides of the winding disc (2), the top of each U-shaped bracket (201) is made of two supporting blocks through locking bolts, an arc-shaped groove is formed in the middle of the opposite surfaces of the two supporting blocks, and a rotating bearing for erecting the speed reducer (102) is arranged in each arc-shaped groove.
3. The hoisting and lifting device for the steel structure net rack rod piece according to claim 1, wherein the speed regulation frame (4) comprises a first speed regulation mechanism (401) and a second speed regulation mechanism (402), the first speed regulation mechanism (401) and the second speed regulation mechanism (402) have completely consistent structures and are of a quadrilateral frame structure as a whole;
the middle position of the bottom surface of the inner four sides of the first speed regulating mechanism (401) is fixedly provided with a fixed seat (5), the fixed seat (5) is of a cuboid cavity structure with an uncovered top surface, two ends of the surface of the fixed seat (5) are upwards protruded, two ends of the surface of the fixed seat (5) are respectively connected with a first connecting arm (501) and a second connecting arm (503) through hinges, the first connecting arm (501) and the second connecting arm (503) are vertically arranged in the inner four sides of the frame, the top end of the first connecting arm (501) is hinged to the first fixed block (505), the first fixed block (505) is fixedly arranged on the bottom surface of the first nut seat (506), the top end of the second connecting arm (503) is hinged to the second fixed block (507), the second fixed block (507) is fixedly arranged on the bottom surface of the second nut seat (508), and a screw (509) is arranged between the vertical plates on two sides of the inner four sides of the first speed regulating mechanism (401), the screw rod (509) is opposite in thread turning direction along two ends of a central line in the vertical direction, two ends of the screw rod (509) are respectively provided with a first nut seat (506) and a second nut seat (508) through threaded connection, the structures of the first nut seat (506) and the second nut seat (508) are completely consistent, and the first nut seat (506) and the second nut seat (508) are symmetrical about the central line in the vertical direction of the screw rod (509).
4. The hoisting and lifting device for the steel structure net rack rod piece according to claim 3, wherein the first connecting arm (501) and the second connecting arm (503) are completely consistent and are crescent-shaped, the middle position of the inner side concave surface of the first connecting arm (501) is rotatably connected with the first speed regulation disk (502), the middle position of the inner side concave surface of the second connecting arm (503) is rotatably connected with the second speed regulation disk (504), the structures of the first speed regulation disk (502) and the second speed regulation disk (504) are completely consistent, the side surfaces of the first speed regulation disk (502) and the second speed regulation disk (504) opposite to each other are respectively provided with an arc-shaped groove matched with the speed regulation wheel (103), and the first speed regulation disk (502) and the second speed regulation disk (504) are respectively arranged at two sides of the speed regulation wheel (103).
5. The hoisting and lifting device for the steel structure net rack rod piece according to claim 3, wherein the first (401) four side frames of the speed regulating mechanism and the second (402) four side frames of the speed regulating mechanism are connected through transverse plates (403), the transverse plates (403) are provided with two, the two transverse plates (403) are respectively arranged at two sides of the top ends of the first (401) four side frames of the speed regulating mechanism and the second (402) four side frames of the speed regulating mechanism, a second motor (404) is arranged at the middle position of the outer side surface of the transverse plate (403) at one side, the output end of the second motor (404) is connected with a first gear (405), one ends of screws (509) inside the first (401) and the second (402) speed regulating mechanism penetrate through vertical plates at one side of the four side frames and are connected with a second gear (406), the second gear (406) on the first (401) speed regulating mechanism, the second gear (406) on the second (402) and the first gear (405) at the output end of the second motor (404) are connected through gear belts (407) And (4) engaging and connecting.
6. The hoisting and lifting device for the steel structure net rack rod piece as claimed in claim 4, wherein the first connecting arm (501) is composed of two strip-shaped plates, the back surface of the first speed regulating disc (502) is provided with two grooves matched with the strip-shaped plates of the first connecting arm (501), and the first speed regulating disc (502) is clamped on the strip-shaped plates of the first connecting arm (501) through the grooves on the back surface.
7. The hoisting and lifting device for the steel structure net rack rod piece according to claim 5, wherein the top surface of the inner side of the four frames of the first speed regulating mechanism (401) is provided with sliding grooves along the axial direction of the screw rod (509), the top surfaces of the first nut seat (506) and the second nut seat (508) are provided with sliding blocks matched with the sliding grooves, and the first nut seat (506) and the second nut seat (508) are slidably connected to the sliding grooves of the inner top surface of the first speed regulating mechanism (401) through the sliding blocks on the top surface.
8. The hoisting and lifting device for the steel structure net rack rod piece according to claim 1, wherein the frame (3) is composed of two 7-shaped frames, a connecting rod (301) is arranged between the two 7-shaped frames, a limiting ring (302) is arranged in the middle of the connecting rod (301), and movable pulleys (303) are slidably connected to two ends of the connecting rod (301).
9. The hoisting and lifting device for the steel structure net rack rod piece according to claim 1, wherein the hoisting frame (6) comprises a U-shaped plate (601), a connecting ring (602) connected with a cable is arranged at the top of the U-shaped plate (601), a motor III (603) is fixedly arranged in the middle of the outer top surface of the U-shaped plate (601), the output end of the motor III (603) penetrates through the top of the U-shaped plate (601) and is connected with a screw rod (604), and a screw nut seat (605) is coupled on the screw rod (604);
the fixed guide bar (606) that is provided with in inside of U template (601), the both ends sliding connection of guide bar (606) has sliding block (607), sliding block (607) are articulated through connecting plate (608) with screw seat (605), the fixed triangular block (609) that is provided with in bottom of sliding block (607), the right angle edge of triangular block (609) is provided with locating lever (610).
10. A method of operating a hoist lift device for a steel structure grid bar according to any one of claims 1 to 9, comprising the steps of:
the method comprises the following steps: the two sides of the steel structure net rack rod piece are respectively clamped through the two lifting frames (6), the triangular blocks (609) of the lifting frames (6) are inserted into the steel structure net rack rod piece, the screw rod (604) is driven to rotate through the motor III (603), the screw rod (604) drives the screw seat (605) to move upwards, the screw seat (605) drives the sliding blocks (607) on the two sides to move oppositely on the guide rods (606) through the connecting plate (608), so that the two triangular blocks (609) move oppositely, the positioning rods (610) of the two triangular blocks (609) are mutually locked in a cross mode, and the steel structure net rack rod piece is fixed;
step two: the speed reducer (102) is driven by the motor I (101), so that the speed reducer (102) drives the two winding disks (2) to rotate and wind the cable rope, and the lifting of the steel structure net rack rod piece is realized;
step three: in the lifting process of the steel structure net rack rod piece, a first gear (405) is driven by a second motor (404) to synchronously rotate through a gear belt (407) to drive a first speed regulating mechanism (401) and a second gear (406) on the second speed regulating mechanism (402), so that the first speed regulating mechanism (401) and a screw (509) in the second speed regulating mechanism (402) synchronously rotate, a first nut seat (506) and a second nut seat (508) at two ends of the screw (509) move oppositely, a first connecting arm (501) and a second connecting arm (503) are driven by the first nut seat (506) and the second nut seat (508) to move towards the speed regulating wheel (103), a first speed regulating disc (502) on the first connecting arm (501) and a second speed regulating disc (504) on the second connecting arm (503) compress the speed regulating wheel (103), and the speed regulating effect of the speed regulating wheel (103) is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110801903.XA CN113479802A (en) | 2021-07-15 | 2021-07-15 | Hoisting and lifting device for steel structure net rack rod piece and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110801903.XA CN113479802A (en) | 2021-07-15 | 2021-07-15 | Hoisting and lifting device for steel structure net rack rod piece and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113479802A true CN113479802A (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110801903.XA Withdrawn CN113479802A (en) | 2021-07-15 | 2021-07-15 | Hoisting and lifting device for steel structure net rack rod piece and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113479802A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114560410A (en) * | 2022-02-26 | 2022-05-31 | 安徽省公路桥梁工程有限公司 | Hoisting mechanism for constructing large-span steel box girder and method thereof |
-
2021
- 2021-07-15 CN CN202110801903.XA patent/CN113479802A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114560410A (en) * | 2022-02-26 | 2022-05-31 | 安徽省公路桥梁工程有限公司 | Hoisting mechanism for constructing large-span steel box girder and method thereof |
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Application publication date: 20211008 |