Lifting device for agricultural machinery part casting production

Abstract

The invention provides a lifting device for agricultural machinery part casting production, and relates to the field of agricultural machinery part casting production. A lifting mechanism is fixedly arranged at the top of the base, and a supporting device is fixedly arranged at the top of the lifting mechanism; the outer side of the supporting device is fixedly arranged on the connecting mechanism, and limiting mechanisms are fixedly arranged on the two sides of the supporting device. A control device is fixedly arranged on the outer side of the lifting mechanism, an auxiliary mechanism is fixedly arranged on the inner side of the control device, and a connecting device is arranged on the inner side of the control device. The accessory swings back and forth; the steel wire rope can be prevented from being separated from the roller more simply and conveniently, and the phenomenon that accessories possibly swing back and forth due to inertia of the accessories is avoided; and the phenomenon that the steel wire rope is separated from the roller during use is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural machinery accessory casting production, in particular to a lifting device used for agricultural machinery accessory casting production. Background Art

[0002] Agricultural machinery parts castings are metal-shaped mechanical parts obtained by casting methods. Agricultural machinery parts castings require a lifting device to lift and move them during the production process.

[0003] Most of the existing lifting devices are fixed at a designated position, so the range of movement is limited. When the existing movable lifting devices are used to lift and move accessories, the accessories may swing back and forth due to the inertia of the accessories, which may cause a certain degree of damage to the operator. In addition, when the existing lifting devices are in use, the wire rope may be detached from the roller, which reduces the practicality of the lifting devices. Summary of the invention

[0004] In view of this, the present invention provides a lifting device for the production of agricultural machinery accessory castings, which has a connecting mechanism and a limiting mechanism, so that it is easier and more effective to prevent the accessories from swinging back and forth when the lifting device is used to lift and move the accessories; and it is easier to prevent the wire rope from being separated from the roller, thereby enhancing the practicability of the lifting device.

[0005] The present invention provides a lifting device for producing agricultural machinery parts castings, which specifically comprises: a base; The base is configured as a U-shaped structure, and bearings are installed inside both sides of the base, and threaded barrels are installed inside the bearings; the number of threaded barrels is configured as two groups, and synchronous wheels are fixedly installed on the outside of the two groups of threaded barrels; the number of synchronous wheels is configured as two groups, and synchronous belts are arranged between the synchronous wheels; a fixing rod is fixedly installed on the top of the threaded barrel, and the fixing rods are arranged in a circular array; a fixing seat is fixedly installed on the top of the base, and a lifting mechanism is fixedly installed on the top of the fixing seat, and a supporting device is fixedly installed on the top of the lifting mechanism; the outer side of the supporting device is fixedly installed on the connecting mechanism, and limiting mechanisms are fixedly installed on both sides of the supporting device, and the limiting mechanisms are arranged at two locations; a control device is fixedly installed on the outer side of the lifting mechanism, and an auxiliary mechanism is fixedly installed on the inner side of the control device, and a connecting device is arranged on the inner side of the control device.

[0006] Furthermore, four groups of universal wheels are fixedly arranged at the bottom of the base, and a tilting frame is fixedly installed on the outside of the base, and a handle is fixedly arranged on the top of the tilting frame; a threaded rod A is arranged inside the threaded cylinder through a threaded connection, and the number of threaded rods A is set to two groups, and a bottom plate is fixedly arranged between the bottom ends of the two groups of threaded rods A; a gear block is fixedly arranged at the bottom of the bottom plate, and the gear blocks are arranged in a straight line.

[0007] Furthermore, the lifting mechanism includes: a load-bearing column, a transverse plate, a threaded rod B, a driving shaft and a lifting column; the load-bearing column is fixedly arranged on the top of the fixed seat; the transverse plate is fixedly arranged inside the load-bearing column; a bearing is installed on the outer side of the threaded rod B, and the bearing is installed inside the transverse plate, and a bevel gear is fixedly arranged at the bottom end of the threaded rod B; a bearing is installed on the outer side of the driving shaft, and the bearing is installed inside the load-bearing column; a bevel gear is fixedly arranged at the front end of the driving shaft, and the bevel gear at the front end of the driving shaft is meshed with the bevel gear at the bottom end of the threaded rod B; a motor device is fixedly arranged at the rear end of the driving shaft, and the motor device is fixedly arranged on the top of the base; the lifting column is slidably arranged inside the load-bearing column, and a threaded rod B is arranged inside the lifting column through a threaded connection.

[0008] Furthermore, the supporting device includes: a supporting column, a horizontal column, a rib plate, a roller A, a wire rope, a pulley, a hook and a baffle; the supporting column is fixedly arranged on the top of the lifting column; the horizontal column is fixedly arranged on the outside of the supporting column; the rib plate is fixedly arranged between the top of the horizontal column and the outside of the supporting column, and the number of rib plates is set to two groups; the roller A is rotatably arranged on the outside of the horizontal column, and the roller A is also rotatably arranged on the outside of the supporting column, and the number of rollers A is set to four groups; one end of the wire rope is fixedly arranged at the bottom of the horizontal column, and the wire rope is slidably arranged on the inside of the roller A; the pulley is slidably arranged on the outside of the wire rope; the hook is fixedly arranged at the bottom of the pulley; the baffle is rotatably arranged on the inside of the hook, and a torsion spring member is fixedly arranged between the baffle and the inside of the hook.

[0009] Furthermore, the connecting mechanism includes: a connecting frame, a multi-stage telescopic rod, a connecting plate and a connecting block; the connecting frame is fixedly arranged on both sides of the horizontal column; the multi-stage telescopic rod is fixedly arranged inside the connecting frame, and the number of multi-stage telescopic rods and the connecting frame are set to two groups; the connecting plate is fixedly arranged between the telescopic ends of the two groups of multi-stage telescopic rods; the connecting block is fixedly arranged on the outside of the connecting plate, and the connecting block and the pulley are set to be fixedly connected.

[0010] Furthermore, the limiting mechanism includes: a cross bar, a sliding block, a connecting plate and a roller B; the cross bar is fixedly arranged on both sides of roller A; the sliding block is slidably arranged on the outside of the cross bar, and a spring member is arranged between the outside of the sliding block and the top of the cross bar; the connecting plate is fixedly arranged on the top of the cross bar; roller B is fixedly arranged on the inside of the sliding block, and roller B is in contact with roller A, and a wire rope is arranged between roller B and roller A.

[0011] Furthermore, the control device includes: a fixed frame, a control frame, a winding roller, a large gear A, a fixed cylinder, a ratchet, a pawl, a control shaft and a small gear A; the fixed frame is fixedly arranged on the outside of the load-bearing column; the control frame is fixedly arranged on the outside of the fixed frame; bearings are installed on the outside of both ends of the winding roller, and the bearings are installed inside the control frame, and the winding roller and the other end of the wire rope are set to be fixedly connected; the large gear A is fixedly arranged on the outside of the winding roller; the fixed cylinder is fixedly arranged on the outside of the large gear A; the ratchet is fixedly arranged on the outside of the winding roller; the pawl is rotatably arranged on the inside of the control frame, and the pawl is meshed with the ratchet; bearings are installed on the outside of the control shaft, and the bearings are installed inside the control frame; handles are fixedly arranged on both ends of the control shaft, and the handles are arranged as an L-shaped structure; the small gear A is fixedly arranged on the outside of the control shaft.

[0012] Furthermore, the auxiliary mechanism includes: an auxiliary rod, a handle A and an elastic sheet; the auxiliary rod is fixedly arranged on the inner side of the control frame; the handle A is rotatably arranged on the outer side of the auxiliary rod; one end of the elastic sheet is rotatably arranged on the inner side of the control frame, and the other end of the elastic sheet and the handle A are rotatably connected, and the inner side of the elastic sheet is in contact with the outer side of the fixed tube.

[0013] Furthermore, the connecting device includes: a connecting shaft, a large gear B and a small gear B; a bearing is installed on the outer side of the connecting shaft, and the bearing is installed inside the control frame; the large gear B is fixedly arranged on the outer side of the connecting shaft, and the large gear B is meshed with the small gear A; the small gear B is fixedly arranged on the outer side of the connecting shaft, and the small gear B is meshed with the large gear A.

[0014] Beneficial Effects 1. The lifting device for producing agricultural machinery parts castings of the present invention is provided with a connecting mechanism and a limiting mechanism, so that it can more easily and effectively prevent the parts from swinging back and forth when the lifting device is lifting and moving the parts; and it can more easily prevent the wire rope from being separated from the roller, thereby enhancing the practicality of the lifting device.

[0015] 2. By providing universal wheels, tilting frames and handles, the effect of pushing the base and agricultural machinery accessories to move is achieved; by providing multi-stage telescopic rods, connecting plates and connecting blocks, the effect of preventing the accessories from swinging when hanging is achieved; compared with the existing lifting devices, it is easier to prevent the accessories from swinging back and forth due to the inertia of the accessories when they are hung and moved, thereby effectively avoiding a certain degree of damage to the operator.

[0016] 3. By providing a bevel gear at the front end of the driving shaft and a bevel gear at the bottom end of the threaded rod B, the driving shaft drives the threaded rod B to rotate, and the lifting column drives the horizontal column to move up and down; it achieves the effect of multi-stage lifting of agricultural machinery accessories, and can more effectively increase the lifting range of agricultural machinery accessories, which is beneficial to meet the height requirements of agricultural machinery accessories during production, and is beneficial to lifting and moving agricultural machinery accessories.

[0017] 4. By providing a synchronous wheel and a synchronous belt, the effect of making the two sets of threaded barrels rotate at the same time is achieved, so that the two sets of threaded rods A drive the base plate and the gear block to move up and down; it is beneficial to fix the base to prevent the base from moving when the accessories are lifted; by providing a small gear A and a large gear A as well as a small gear B and a large gear B, the effect of increasing the driving force of the winding roller is achieved, and the wire rope can be easily and conveniently rolled up, so that the accessories can move up and down with the hook.

[0018] 5. By providing the handle A and the elastic sheet, when the handle A is swung upward, the elastic sheet wraps the fixed cylinder so that the fixed cylinder and the winding roller cannot rotate, thereby achieving the purpose of controlling the lowering speed and position of the hook; by providing the ratchet and the pawl, the winding roller is prevented from rotating in the opposite direction when the wire rope is wound up, which is beneficial for lifting the accessories; by providing the spring member and the cross bar, the roller A and the roller B are always in contact with each other, which prevents the wire rope from being separated from the roller and enhances the practicability of the lifting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0020] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0021] In the attached picture: Figure 1 It is a schematic diagram of the overall structure of a lifting device for producing agricultural machinery parts castings according to an embodiment of the present invention; Figure 2 It is a structural schematic diagram of the upper surface of the base of a lifting device for producing agricultural machinery parts castings according to an embodiment of the present invention; Figure 3 It is a schematic diagram of the lower surface structure of the bottom plate of the lifting device used for the production of agricultural machinery parts castings according to an embodiment of the present invention; Figure 4 It is a schematic diagram of the lifting mechanism structure of a lifting device for producing agricultural machinery parts castings according to an embodiment of the present invention; Figure 5It is a schematic structural diagram of a supporting device of a lifting device for producing agricultural machinery parts castings according to an embodiment of the present invention; Figure 6 It is a structural schematic diagram of a connection mechanism of a lifting device for producing agricultural machinery accessory castings according to an embodiment of the present invention.

[0022] Figure 7 It is a schematic structural diagram of a hook of a lifting device for producing agricultural machinery parts castings according to an embodiment of the present invention; Figure 8 It is a structural schematic diagram of a limiting mechanism of a lifting device for producing agricultural machinery parts castings according to an embodiment of the present invention; Fig. 9 It is a schematic diagram of the connection structure of the control device and the connection device of the lifting device used for the production of agricultural machinery parts castings according to an embodiment of the present invention; Fig.10 It is a schematic structural diagram of an auxiliary mechanism of a lifting device for producing agricultural machinery parts castings according to an embodiment of the present invention; Fig.11 It is a structural schematic diagram of a connection device of a lifting device for producing agricultural machinery parts castings according to an embodiment of the present invention; Fig.12 It is a schematic structural diagram of a winding roller of a lifting device used for producing agricultural machinery accessory castings according to an embodiment of the present invention.

[0023] Reference numerals list 1. Base; 101. Universal wheel; 102. Tilt frame; 103. Handle; 104. Fixed seat; 105. Threaded cylinder; 106. Threaded rod A; 107. Bottom plate; 1071. Gear block; 108. Synchronous wheel; 109. Fixed rod; 2. Lifting mechanism; 201. Load-bearing column; 202. Horizontal plate; 203. Threaded rod B; 204. Driving shaft; 205. Lifting column; 3. Support device; 301. Support column; 302. Horizontal column; 303. Rib plate; 304. Roller A; 305. Wire rope; 306. Pulley; 307. Hook; 308. Baffle; 4. Connecting mechanism; 401. Connecting frame; 402. Multi-stage telescopic rod; 403. Connecting plate; 404. Connecting block; 5. Limiting mechanism; 501. Crossbar; 502. Sliding block; 503. Connecting plate; 504. Roller B; 6. Control device; 601. Fixed frame; 602. Control frame; 603. Winding roller; 604. Big gear A; 605. Fixed cylinder; 606. Ratchet; 607. Ratchet pawl; 608. Control shaft; 609. Small gear A; 7. Auxiliary mechanism; 701. Auxiliary rod; 702. Handle A; 703. Elastic sheet; 8. Connecting device; 801. Connecting shaft; 802. Big gear B; 803. Small gear B. DETAILED DESCRIPTION

[0024] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0025] Example: Please refer to Figures 1 to 12 As shown: The present invention provides a lifting device for producing agricultural machinery parts castings, comprising a base 1; The base 1 is set as a U-shaped structure, and bearings are installed inside the two sides of the base 1, and threaded cylinders 105 are installed inside the bearings; the number of threaded cylinders 105 is set to two groups, and synchronous wheels 108 are fixedly installed on the outside of the two groups of threaded cylinders 105; the number of synchronous wheels 108 is set to two groups, and synchronous belts are arranged between the synchronous wheels 108; fixed rods 109 are fixedly arranged on the top of the threaded cylinder 105, and the fixed rods 109 are arranged in a ring array; its specific function is: by arranging the synchronous wheel 108 and the synchronous belt, the effect of making the two groups of threaded cylinders 105 rotate at the same time is achieved, which plays a role in making the two groups of threaded rods A106 drive the bottom plate 107 and the tooth block 1071 to move up and down; it is conducive to fixing the base 1 , to prevent the base 1 from moving when lifting accessories; a fixed seat 104 is fixedly arranged on the top of the base 1, and a lifting mechanism 2 is fixedly arranged on the top of the fixed seat 104, and a supporting device 3 is fixedly arranged on the top of the lifting mechanism 2; the supporting device 3 includes: a supporting column 301, a horizontal column 302, a rib plate 303, a roller A304, a wire rope 305, a pulley 306, a hook 307 and a baffle 308; the supporting column 301 is fixedly arranged on the top of the lifting column 205; the horizontal column 302 is fixedly arranged on the outside of the supporting column 301; the rib plate 303 is fixedly arranged between the top of the horizontal column 302 and the outside of the supporting column 301, and the number of the rib plates 303 is set to two groups; the roller A304 is rotatably arranged on the outside of the horizontal column 302, and ... Wheel A304 is also rotatably arranged on the outside of the support column 301, and the number of rollers A304 is set to four groups; one end of the wire rope 305 is fixedly arranged at the bottom of the horizontal column 302, and the wire rope 305 is slidably arranged on the inside of the roller A304; the pulley 306 is slidably arranged on the outside of the wire rope 305; the hook 307 is fixedly arranged at the bottom of the pulley 306; the baffle 308 is rotatably arranged on the inside of the hook 307, and a torsion spring member is fixedly arranged between the baffle 308 and the inside of the hook 307; the outer side of the support device 3 is fixedly arranged on the connecting mechanism 4, and the limiting mechanism 5 is fixedly arranged on both sides of the support device 3, and the limiting mechanism 5 is arranged at two locations; the limiting mechanism 5 includes: a cross bar 501, a sliding block 502, a connecting plate 503 and Roller B504; cross bar 501 is fixedly arranged on both sides of roller A304; sliding block 502 is slidably arranged on the outside of cross bar 501, and a spring member is arranged between the outside of sliding block 502 and the top of cross bar 501; connecting plate 503 is fixedly arranged on the top of cross bar 501; roller B504 is fixedly arranged on the inside of sliding block 502, and roller B504 is fitted with roller A304, and a steel wire rope 305 is arranged between roller B504 and roller A304; its specific function is: by arranging spring member and cross bar 501, the effect of making roller A304 and roller B504 always fit together is achieved, which plays a role in preventing the steel wire rope 305 from being separated from the roller, and enhancing the practicality of the lifting device;A control device 6 is fixedly arranged on the outside of the lifting mechanism 2, and an auxiliary mechanism 7 is fixedly arranged on the inside of the control device 6, and a connecting device 8 is arranged on the inside of the control device 6; the control device 6 includes: a fixed frame 601, a control frame 602, a winding roller 603, a large gear A604, a fixed cylinder 605, a ratchet 606, a pawl 607, a control shaft 608 and a small gear A609; the fixed frame 601 is fixedly arranged on the outside of the load-bearing column 201; the control frame 602 is fixedly arranged on the outside of the fixed frame 601; bearings are installed on the outside of both ends of the winding roller 603, and the bearings are installed inside the control frame 602, and the winding roller 603 and the other end of the wire rope 305 are arranged to be fixedly connected; the large gear A604 is fixedly arranged on the outside of the winding roller 603; the fixed cylinder 605 is fixedly arranged on the outside of the large gear A604; the ratchet 606 is fixedly arranged on the winding roller The outside of the wire roller 603; the ratchet 607 is rotatably arranged inside the control frame 602, and the ratchet 607 is meshed with the ratchet wheel 606; the outside of the control shaft 608 is matched with a bearing, and the bearing is matched with the inside of the control frame 602; both ends of the control shaft 608 are fixed with handles, and the handles are set in an L-shaped structure; the pinion A609 is fixedly arranged on the outside of the control shaft 608; its specific functions are: by setting the pinion A609 and the large gear A604 and the pinion B803 and the large gear B802, the effect of increasing the driving force of the winding roller 603 is achieved, and the effect of easily and conveniently winding up the wire rope 305 and making the accessories move up and down with the hook 307 is achieved; by setting the ratchet wheel 606 and the ratchet 607, the effect of preventing the winding roller 603 from rotating in the opposite direction when the wire rope 305 is wound up is achieved, which is conducive to lifting the accessories. ;

[0026] Among them, four groups of universal wheels 101 are fixedly arranged at the bottom of the base 1, and a tilting frame 102 is fixedly installed on the outside of the base 1, and a handle 103 is fixedly arranged on the top of the tilting frame 102; a threaded rod A106 is arranged inside the threaded cylinder 105 through a threaded connection, and the number of the threaded rods A106 is set to two groups, and a bottom plate 107 is fixedly arranged between the bottom ends of the two groups of threaded rods A106; a tooth block 1071 is fixedly arranged at the bottom of the bottom plate 107, and the tooth block 1071 is arranged in a straight line; its specific function is: by providing the universal wheel 101, the tilting frame 102 and the handle 103, the effect of pushing the base 1 and the agricultural machinery accessories to move is achieved.

[0027] The lifting mechanism 2 includes: a load-bearing column 201, a horizontal plate 202, a threaded rod B203, a driving shaft 204 and a lifting column 205; the load-bearing column 201 is fixedly arranged on the top of the fixing seat 104; the horizontal plate 202 is fixedly arranged inside the load-bearing column 201; a bearing is installed on the outer side of the threaded rod B203, and the bearing is installed inside the horizontal plate 202, and a bevel gear is fixedly arranged at the bottom end of the threaded rod B203; a bearing is installed on the outer side of the driving shaft 204, and the bearing is installed inside the load-bearing column 201; a bevel gear is fixedly arranged at the front end of the driving shaft 204, and the bevel gear at the front end of the driving shaft 204 is meshed with the bevel gear at the bottom end of the threaded rod B203; the rear end of the driving shaft 204 A motor device is fixedly arranged, and the motor device is fixedly arranged on the top of the base 1; the lifting column 205 is slidably arranged inside the load-bearing column 201, and a threaded rod B203 is arranged inside the lifting column 205 through a threaded connection; its specific function is: by arranging the bevel gear at the front end of the driving shaft 204 and the bevel gear at the bottom end of the threaded rod B203, the driving shaft 204 drives the threaded rod B203 to rotate, and the lifting column 205 drives the horizontal column 302 to move up and down; it has the effect of multi-stage lifting of agricultural machinery accessories, can more effectively increase the lifting range of agricultural machinery accessories, is conducive to meeting the height requirements of agricultural machinery accessories during hoisting during production, and is conducive to lifting and moving agricultural machinery accessories.

[0028] Among them, the connecting mechanism 4 includes: a connecting frame 401, a multi-stage telescopic rod 402, a connecting plate 403 and a connecting block 404; the connecting frame 401 is fixedly arranged on both sides of the horizontal column 302; the multi-stage telescopic rod 402 is fixedly arranged inside the connecting frame 401, and the number of the multi-stage telescopic rod 402 and the connecting frame 401 is set to two groups; the connecting plate 403 is fixedly arranged between the telescopic ends of the two groups of multi-stage telescopic rods 402; the connecting block 404 is fixedly arranged on the outside of the connecting plate 403, and the connecting block 404 and the pulley 306 are set to be fixedly connected; its specific function is: by providing the multi-stage telescopic rod 402, the connecting plate 403 and the connecting block 404, the effect of preventing the accessories from swinging during hanging is achieved; compared with the existing lifting device, it can more easily achieve the effect of preventing the accessories from swinging back and forth due to the inertia of the accessories when the accessories are hung and moved, thereby effectively avoiding a certain degree of damage to the operator.

[0029] Among them, the auxiliary mechanism 7 includes: an auxiliary rod 701, a handle A702 and an elastic sheet 703; the auxiliary rod 701 is fixedly arranged on the inner side of the control frame 602; the handle A702 is rotatably arranged on the outer side of the auxiliary rod 701; one end of the elastic sheet 703 is rotatably arranged on the inner side of the control frame 602, and the other end of the elastic sheet 703 and the handle A702 are arranged to be rotatably connected, and the inner side of the elastic sheet 703 is in contact with the outer side of the fixed cylinder 605; its specific function is: by providing the handle A702 and the elastic sheet 703, when the handle A702 is swung upward, the elastic sheet 703 wraps the fixed cylinder 605 so that the fixed cylinder 605 and the winding roller 603 cannot rotate, thereby achieving the purpose of controlling the lowering speed and position of the hook 307.

[0030] Among them, the connecting device 8 includes: a connecting shaft 801, a large gear B802 and a small gear B803; a bearing is installed on the outer side of the connecting shaft 801, and the bearing is installed inside the control frame 602; the large gear B802 is fixedly arranged on the outer side of the connecting shaft 801, and the large gear B802 is meshed with the small gear A609; the small gear B803 is fixedly arranged on the outer side of the connecting shaft 801, and the small gear B803 is meshed with the large gear A604; its specific function is: by arranging the small gear A609 and the large gear A604 as well as the small gear B803 and the large gear B802, the effect of increasing the driving force of the winding roller 603 is achieved, and the wire rope 305 can be easily and conveniently rolled up, so that the accessories can move up and down with the hook 307.

[0031] Specific usage and function of this embodiment: In the present invention, the base 1 is moved by the handle 103, the tilt frame 102 and the universal wheel 101 when in use; when moved to a specified position, a set of threaded cylinders 105 are rotated by the fixing rod 109, and the two sets of threaded cylinders 105 are rotated simultaneously by the synchronous wheel 108 and the synchronous belt, so that the two sets of threaded cylinders 105 drive the bottom plate 107 and the tooth block 1071 to move downward through the two sets of threaded rods A106, so that the base 1 cannot be moved by the universal wheel 101; the accessories are hung at the bottom of the hook 307; the rotation control The control shaft 608 drives the large gear B802 and the connecting shaft 801 to rotate through the small gear A609, and the connecting shaft 801 drives the winding roller 603 to rotate through the small gear B803 and the large gear A604, thereby increasing the driving force on the winding roller 603, thereby winding up the wire rope 305 and raising the accessory; when the hook 307 moves up and down, the hook 307 drives the multi-stage telescopic rod 402 to extend and retract through the connecting block 404 and the connecting plate 403; the effect of preventing the accessory from swinging during hanging is achieved; compared with the existing lifting device, it can It is more convenient to prevent the accessories from swinging back and forth due to the inertia of the accessories when they are hoisted and moved, thereby effectively avoiding a certain degree of damage to the operator; when the hook 307 is placed downward, the ratchet 607 is swung to make the ratchet 607 lose engagement with the ratchet wheel 606, so that the hook 307 slides downward by its own gravity; the handle A702 is bent upward to make the elastic sheet 703 wrap the fixing cylinder 605, so that the winding roller 603 is fixed; the purpose of controlling the lowering speed and position of the hook 307 is achieved; the motor device is started The motor device drives the driving shaft 204 and the bevel gear at the top of the driving shaft 204 to rotate. The driving shaft 204 drives the threaded rod B203 to rotate through the bevel gear at the top of the driving shaft 204 and the bevel gear at the bottom of the threaded rod B203, so that the lifting column 205 drives the supporting column 301 and the horizontal column 302 to move up and down, thereby causing the hook 307 to move up and down; this has the effect of performing multi-stage lifting of agricultural machinery accessories, can more effectively increase the lifting range of agricultural machinery accessories, is conducive to meeting the height requirements of the agricultural machinery accessories during production, and is conducive to lifting and moving the agricultural machinery accessories.

[0032] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A lifting device for the production of agricultural machinery parts castings, It is characterized in that comprising a base (1); The base (1) is configured as a U-shaped structure, and bearings are cooperatingly installed inside both sides of the base (1), and threaded barrels (105) are cooperatingly installed inside the bearings; the number of threaded barrels (105) is configured as two groups, and synchronous wheels (108) are fixedly installed on the outside of the two groups of threaded barrels (105); the number of synchronous wheels (108) is configured as two groups, and a synchronous belt is arranged between the synchronous wheels (108); a fixing rod (109) is fixedly installed on the top of the threaded barrel (105), and the fixing rods (109) are arranged in a ring array; the top of the base (1) is fixedly installed with A fixed seat (104), a lifting mechanism (2) is fixedly arranged on the top of the fixed seat (104), and a supporting device (3) is fixedly arranged on the top of the lifting mechanism (2); the outer side of the supporting device (3) is fixedly arranged on the connecting mechanism (4), and limiting mechanisms (5) are fixedly arranged on both sides of the supporting device (3), and the limiting mechanisms (5) are arranged at two locations; a control device (6) is fixedly arranged on the outer side of the lifting mechanism (2), an auxiliary mechanism (7) is fixedly arranged on the inner side of the control device (6), and a connecting device (8) is arranged on the inner side of the control device (6).

2. A lifting device for producing agricultural machinery parts castings as claimed in claim 1, Features: The base (1) is fixedly provided with four sets of universal wheels (101) at the bottom, and a tilting frame (102) is fixedly installed on the outside of the base (1), and a handle (103) is fixedly provided on the top of the tilting frame (102); a threaded rod A (106) is provided inside the threaded cylinder (105) through a threaded connection, and the number of the threaded rods A (106) is set to two sets, and a bottom plate (107) is fixedly provided between the bottom ends of the two sets of threaded rods A (106); a tooth block (1071) is fixedly provided at the bottom of the bottom plate (107), and the tooth blocks (1071) are arranged in a straight line.

3. A lifting device for producing agricultural machinery parts castings as claimed in claim 1, Features: The lifting mechanism (2) comprises: a load-bearing column (201), a horizontal plate (202), a threaded rod B (203), a driving shaft (204) and a lifting column (205); the load-bearing column (201) is fixedly arranged on the top of the fixing seat (104); the horizontal plate (202) is fixedly arranged inside the load-bearing column (201); a bearing is mounted on the outer side of the threaded rod B (203), and the bearing is mounted on the inner side of the horizontal plate (202); a bevel gear is fixedly arranged on the bottom end of the threaded rod B (203); the outer side of the driving shaft (204) A bearing is installed in cooperation with the bearing, and the bearing is installed in cooperation with the inside of the load-bearing column (201); a bevel gear is fixedly arranged at the front end of the driving shaft (204), and the bevel gear at the front end of the driving shaft (204) meshes with the bevel gear at the bottom end of the threaded rod B (203); a motor device is fixedly arranged at the rear end of the driving shaft (204), and the motor device is fixedly arranged on the top of the base (1); a lifting column (205) is slidably arranged inside the load-bearing column (201), and a threaded rod B (203) is arranged inside the lifting column (205) through a threaded connection.

4. A lifting device for producing agricultural machinery parts castings as claimed in claim 3, Features: The support device (3) comprises: a support column (301), a cross column (302), a rib plate (303), a roller A (304), a wire rope (305), a pulley (306), a hook (307) and a baffle (308); the support column (301) is fixedly arranged on the top of the lifting column (205); the cross column (302) is fixedly arranged on the outside of the support column (301); the rib plate (303) is fixedly arranged between the top of the cross column (302) and the outside of the support column (301), and the number of the rib plates (303) is set to two groups; the roller A (304) is rotatably arranged on the cross column (302) ), and the roller A (304) is also rotatably arranged on the outside of the support column (301), and the number of rollers A (304) is set to four groups; one end of the steel wire rope (305) is fixedly arranged at the bottom of the horizontal column (302), and the steel wire rope (305) is slidably arranged on the inside of the roller A (304); the pulley (306) is slidably arranged on the outside of the steel wire rope (305); the hook (307) is fixedly arranged at the bottom of the pulley (306); the baffle (308) is rotatably arranged on the inside of the hook (307), and a torsion spring member is fixedly arranged between the baffle (308) and the inside of the hook (307).

5. A lifting device for producing agricultural machinery parts castings as claimed in claim 4, Features: The connection mechanism (4) comprises: a connection frame (401), a multi-stage telescopic rod (402), a connection plate (403) and a connection block (404); the connection frame (401) is fixedly arranged on both sides of the horizontal column (302); the multi-stage telescopic rod (402) is fixedly arranged inside the connection frame (401), and the number of the multi-stage telescopic rod (402) and the connection frame (401) are both set to two groups; the connection plate (403) is fixedly arranged between the telescopic ends of the two groups of multi-stage telescopic rods (402); the connection block (404) is fixedly arranged on the outside of the connection plate (403), and the connection block (404) and the pulley (306) are set to be fixedly connected.

6. A lifting device for producing agricultural machinery parts castings as claimed in claim 4, Features: The limiting mechanism (5) comprises: a cross bar (501), a sliding block (502), a connecting plate (503) and a roller B (504); the cross bar (501) is fixedly arranged on both sides of the roller A (304); the sliding block (502) is slidably arranged on the outside of the cross bar (501), and a spring member is arranged between the outside of the sliding block (502) and the top of the cross bar (501); the connecting plate (503) is fixedly arranged on the top of the cross bar (501); the roller B (504) is fixedly arranged on the inside of the sliding block (502), and the roller B (504) is in contact with the roller A (304), and a steel wire rope (305) is arranged between the roller B (504) and the roller A (304).

7. A lifting device for producing agricultural machinery parts castings as claimed in claim 4, Features: The control device (6) comprises: a fixed frame (601), a control frame (602), a winding roller (603), a large gear A (604), a fixed cylinder (605), a ratchet (606), a pawl (607), a control shaft (608) and a small gear A (609); the fixed frame (601) is fixedly arranged on the outside of the load-bearing column (201); the control frame (602) is fixedly arranged on the outside of the fixed frame (601); bearings are mounted on the outside of both ends of the winding roller (603), and the bearings are mounted inside the control frame (602); and a fixed connection is arranged between the winding roller (603) and the other end of the wire rope (305). The large gear A (604) is fixedly arranged on the outside of the winding roller (603); the fixed cylinder (605) is fixedly arranged on the outside of the large gear A (604); the ratchet (606) is fixedly arranged on the outside of the winding roller (603); the ratchet (607) is rotatably arranged on the inside of the control frame (602), and the ratchet (607) is meshed with the ratchet (606); the outer side of the control shaft (608) is equipped with a bearing, and the bearing is equipped inside the control frame (602); handles are fixedly arranged at both ends of the control shaft (608), and the handles are arranged in an L-shaped structure; the small gear A (609) is fixedly arranged on the outer side of the control shaft (608).

8. A lifting device for producing agricultural machinery parts castings as claimed in claim 7, Features: The auxiliary mechanism (7) comprises: an auxiliary rod (701), a handle A (702) and an elastic sheet (703); the auxiliary rod (701) is fixedly arranged on the inner side of the control frame (602); the handle A (702) is rotatably arranged on the outer side of the auxiliary rod (701); one end of the elastic sheet (703) is rotatably arranged on the inner side of the control frame (602), and the other end of the elastic sheet (703) and the handle A (702) are rotatably connected, and the inner side of the elastic sheet (703) is in contact with the outer side of the fixed tube (605).

9. A lifting device for producing agricultural machinery parts castings as claimed in claim 7, Features: The connecting device (8) comprises: a connecting shaft (801), a large gear B (802) and a small gear B (803); a bearing is mounted on the outer side of the connecting shaft (801), and the bearing is mounted inside the control frame (602); the large gear B (802) is fixedly arranged on the outer side of the connecting shaft (801), and the large gear B (802) is meshed with the small gear A (609); the small gear B (803) is fixedly arranged on the outer side of the connecting shaft (801), and the small gear B (803) is meshed with the large gear A (604).

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