CN109110662B - Hoisting mechanism of crane - Google Patents

Hoisting mechanism of crane Download PDF

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Publication number
CN109110662B
CN109110662B CN201811211238.3A CN201811211238A CN109110662B CN 109110662 B CN109110662 B CN 109110662B CN 201811211238 A CN201811211238 A CN 201811211238A CN 109110662 B CN109110662 B CN 109110662B
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China
Prior art keywords
plate
supporting
adjusting
column
hole
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CN201811211238.3A
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Chinese (zh)
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CN109110662A (en
Inventor
赵建军
李好选
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Henan Zhongyuan Mining Equipment Co ltd
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Henan Zhongyuan Mining Equipment Co ltd
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Priority to CN201811211238.3A priority Critical patent/CN109110662B/en
Publication of CN109110662A publication Critical patent/CN109110662A/en
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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
    • 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
    • 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
    • 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
    • B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
    • B66D1/38—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of guides movable relative to drum or barrel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
    • B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)

Abstract

The invention relates to the technical field of auxiliary devices of hoisting machinery, in particular to a hoisting mechanism of a crane, which is convenient for carrying out brake control on a winding drum in time according to an actual hoisting and lifting position in the using process and reducing the use limitation; the disorder of the steel wire ropes in the winding process on the winding drum is prevented, the arrangement effect of the steel wire ropes on the winding drum is improved, and the use reliability is improved; the device comprises a bottom plate, a left supporting plate, a right supporting plate, a lifting motor, a speed reducer and a winding drum; the device comprises a connecting shaft, a supporting shaft, a limiting plate, a connecting spring, a chuck, a conical brake disc, a fixing plate, a supporting column, an upper supporting sliding column, a lower supporting sliding column, an angle-shaped stop lever, an electric telescopic cylinder and a U-shaped groove frame; still include reciprocal lead screw, universal spin, spliced pole, place board, left extension board, right extension board, guiding axle, spacing slider, spacing traveller and driving belt, the right-hand member downside of left branch fagging is provided with left fixed slot to left fixed slot inside is provided with left ball bearing.

Description

Hoisting mechanism of crane
Technical Field
The invention relates to the technical field of auxiliary devices of hoisting machinery, in particular to a hoisting mechanism of a crane.
Background
As is well known, a crane hoisting mechanism is an auxiliary device for a crane to lift and lower an object, and is widely used in the field of hoisting machinery; the existing hoisting mechanism of the crane comprises a bottom plate, a left supporting plate, a right supporting plate, a hoisting motor, a speed reducer and a winding drum, wherein the bottom ends of the left supporting plate and the right supporting plate are respectively connected with the left side and the right side of the top end of the bottom plate, the right output end of the hoisting motor is connected with the left input end of the speed reducer, the output end at the right part of the speed reducer is provided with a transmission shaft, the right end of the transmission shaft passes through the upper side of the inner part of the left supporting plate from the left end of the left supporting plate and extends out to the outside of the right end of the left supporting plate, the winding drum is arranged between the left supporting plate and the right supporting plate, the left end of the winding drum is connected with the left end of the transmission shaft, the right end of the winding drum is connected with the rotatable shaft on the upper side of the left end of the right supporting plate, the left side and the right side of the outer part of the winding drum are respectively and fixedly sleeved with a left baffle disc and a right baffle disc, a steel wire rope is wound on the winding drum and positioned between the left baffle disc and the right baffle disc, and one end of the steel wire rope is fixedly connected with the outer wall of the circumference of the winding drum; when the existing crane hoisting mechanism is used, the other end of a steel wire rope is connected with an external hoisting device, then the hoisting device is fixedly bound with a hoisted object, after the binding is finished, a hoisting motor is electrically connected with an external power supply in a forward and reverse rotating manner according to an instruction, and then the rotation of the hoisting motor is controlled to drive the winding drum to wind and release the steel wire rope so as to realize the ascending or descending of the object; the existing hoisting mechanism of the crane is found to be inconvenient to brake and control a winding drum in time according to the actual hoisting and lifting position in the using process, so that the use limitation of the existing hoisting mechanism of the crane is high; and the steel wire rope is easy to be disorderly wound on the winding drum, and the arrangement effect of the steel wire rope on the winding drum is poor, so that the use reliability is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides a drum brake control device which can conveniently brake the drum in time according to the actual hoisting and lifting position in the use process of the drum, and reduce the use limitation; and prevent that wire rope from taking place in disorder in the winding process on the reel, improve the effect of arranging of wire rope on the reel, improve the hoist hoisting mechanism who uses the reliability.
The invention relates to a hoisting mechanism of a crane, which comprises a bottom plate, a left supporting plate, a right supporting plate, a hoisting motor, a speed reducer and a winding drum, wherein the bottom ends of the left supporting plate and the right supporting plate are respectively connected with the left side and the right side of the top end of the bottom plate, the right output end of the hoisting motor is connected with the left input end of the speed reducer, the right output end of the speed reducer is provided with a transmission shaft, the right end of the transmission shaft penetrates through the inner upper side of the left supporting plate from the left end of the left supporting plate and extends out to the outside of the right end of the left supporting plate, the winding drum is arranged between the left supporting plate and the right supporting plate, the left end of the winding drum is connected with the left end of the transmission shaft, the right end of the winding drum is rotatably connected with the upper side of the left end of the right supporting plate, the outer, one end of the steel wire rope is fixedly connected with the circumferential outer wall of the winding drum; comprises a connecting shaft, a supporting shaft, a limiting plate, a connecting spring, a chuck, a conical brake disc, a fixed plate, a supporting column, an upper supporting sliding column, a lower supporting sliding column, an angle-shaped stop rod, an electric telescopic cylinder and a U-shaped groove frame, wherein a rotating through hole which is penetrated left and right is transversely arranged on the upper side in the right supporting plate, a bearing seat is concentrically arranged at the left end of the rotating through hole, an upper ball bearing is arranged inside the bearing seat, the left end of the connecting shaft is concentrically arranged at the right end of the right stop disc, the right end of the connecting shaft sequentially penetrates through the upper ball bearing and the rotating through hole from the left end of the bearing seat and extends out to the outside of the right end of the right supporting plate to be concentrically connected with the left end of the chuck, a conical clamping groove is arranged at the right end of the chuck, the fixed plate is positioned at the right side of the, the bottom end of the supporting column is connected with the top end of the bottom plate, a sliding through hole which penetrates through the supporting column from left to right is transversely arranged on the upper side in the supporting column, the right end of the supporting column can penetrate through the inside of the sliding through hole in a sliding mode from the left end of the supporting column and extends out of the outside of the right end of the supporting column, the connecting spring is sleeved on the right side of the outside of the supporting column, the left end of the connecting spring is connected with the right end of the supporting column, the middle of the left end of the limiting plate is connected with the right end of the supporting shaft, the right end of the connecting spring is connected with the left end of the limiting plate in a concentric mode, the left end of the connecting spring is connected with the right end of the conical brake disc in a concentric mode, a screwing shaft is arranged on the left side of the front end of the supporting column, a strip-shaped through groove which penetrates through the upper side and, the right angle position of the angle-shaped stop lever is rotatably connected with the upper side of the front end of the fixed plate through a lower rotating shaft, the bottom end of the electric telescopic cylinder is connected with the right front side of the top end of the bottom plate, the bottom end of the U-shaped groove frame is connected with the top end of a telescopic rod in the electric telescopic cylinder, and the lower side of the right end of the angle-shaped stop lever is positioned inside the top end of the U-shaped groove frame, the upper supporting sliding column and the lower supporting sliding column are respectively and transversely positioned at the upper side and the lower side of the connecting spring, and the left ends of the upper supporting spring and the lower supporting sliding column are respectively connected with the upper side and the lower side of the upper half area of the right end of the supporting column, the upper side and the lower side of the interior of the limit plate are respectively and transversely provided with an upper support through hole and a lower support through hole which are penetrated left and right, the right ends of the upper supporting sliding column and the lower supporting sliding column can respectively pass through the inner parts of the upper supporting through hole and the lower supporting through hole in a sliding manner from the left end of the limiting plate and extend out of the right end of the limiting plate; the reciprocating slide bar is characterized by further comprising a reciprocating screw, a universal rolling ball, a connecting column, a placing plate, a left supporting plate, a right supporting plate, a guide shaft, a limiting slide block, a limiting slide post and a transmission belt, wherein a left fixing groove is formed in the lower side of the right end of the left supporting plate, a left ball bearing is arranged in the left fixing groove, a right fixing groove is formed in the lower side of the left end of the right supporting plate, a right ball bearing is arranged in the right fixing groove, a left end of the reciprocating screw is inserted into and fixedly mounted in the left ball bearing, the right end of the reciprocating screw is inserted into and fixedly mounted in the right ball bearing, the reciprocating screw is slidably sleeved with the reciprocating slide block matched with the reciprocating screw, the limiting slide post is transversely positioned below the reciprocating screw, the left end of the limiting slide post is connected with the lower side of the right end of the, the rear end of the limiting sliding column transversely penetrates through the limiting through hole in a sliding mode and extends out of the right end of the limiting sliding block to be connected with the lower side of the left end of the right supporting plate, the bottom end of the reciprocating sliding block is fixedly connected with the top end of the limiting sliding block through a connecting column, a spherical cavity is arranged at the top end of the reciprocating sliding block, the universal rolling balls are rotatably arranged in the spherical cavity, a conical through hole is formed in the top end of the reciprocating sliding block, the bottom end of the connecting column penetrates through the conical through hole from the top end of the reciprocating sliding block and extends into the spherical cavity to be connected with the top end of the universal rolling balls, the middle part of the bottom end of the placing plate is connected with the top end of the connecting column, the bottom ends of the left supporting plate and the right supporting plate are respectively connected with the left side and the right side of the top end of the, the left end of right extension board is provided with right standing groove to the inside right ball bearing that adjusts that is provided with of right standing groove, the left end and the right-hand member of guiding axle are provided with left pivot and right pivot respectively, and the left end of left pivot inserts and inside fixed mounting to left ball bearing that adjusts, and the right-hand member of right pivot inserts and inside fixed mounting to right ball bearing that adjusts, and the inside of guiding axle is provided with the guide hole that runs through around, and wire rope's one end passes the guide hole inside and stretches out to the front end of guiding axle external world from the rear end of guiding axle, the fixed cover in outside left side of spliced pole is provided with driving pulley, and the fixed cover in outside right side of reciprocating screw is provided with driven pulley, driving belt suits respectively on driving pulley and the driven pulley.
The invention relates to a crane hoisting mechanism, which further comprises a sleeve, a compression spring, locking bolts, a mounting disc, a limiting disc, four groups of left positioning insertion columns and four groups of right positioning insertion columns, wherein the right end of the sleeve is concentrically connected with the left end of the mounting disc, the left ends of the four groups of left positioning insertion columns are respectively connected with the upper front side, the upper rear side, the lower front side and the lower rear side of the right end of the mounting disc, the right end of the mounting disc is concentrically attached to the left end of the left blocking disc, the upper front side, the upper rear side, the lower front side and the lower rear side of the left end of the left blocking disc are respectively provided with left positioning insertion holes, the right ends of the four groups of left positioning insertion columns are respectively and correspondingly inserted into the four groups of left positioning insertion holes, the right end of a transmission shaft can be slidably inserted into the left end of the sleeve, the front end of the sleeve is provided with a locking thread through hole, and the locking thread through hole is, and the rear end of locking bolt is from inside sheathed tube front end spiral shell dress to locking screw thread through-hole and the front end right side locking contact of transmission shaft, spacing dish fixed suit is in the outside left side of transmission shaft, and compression spring cover is established on the transmission shaft, and compression spring's left end is connected with the right-hand member of spacing dish, and compression spring's right-hand member with sheathed tube left end is connected with one heart, driving pulley's left end with the right-hand member of right fender dish pastes closely with one heart, and the right-hand member of four groups of right location inserted columns respectively with last front side, last rear side, lower front side and the lower rear side of belt action wheel left end are connected, and last front side, last rear side, lower front side and the lower rear side of right-hand member of right fender dish all correspond and are provided with right location jack, the left end of four groups of right location inserted columns corresponds respectively and inserts to four groups of right location jacks inside.
The invention relates to a crane hoisting mechanism, which further comprises a tension pulley, an adjusting plate, four groups of positioning sliding columns and adjusting bolts, wherein the rear end of the tension pulley is in rotatable close contact with the front end of a transmission belt, the right end of the tension pulley is connected with the left end of the adjusting plate in a rotatable manner, the left upper side, the left lower side, the right upper side and the right lower side of the front end of the adjusting plate are respectively provided with adjusting through holes which penetrate through from front to back, the rear ends of the four groups of positioning sliding columns respectively can penetrate through the four groups of adjusting through holes in a sliding manner from the front end of the adjusting plate and extend out of the outer environment of the rear end of the adjusting plate to be connected with the left upper side, the left lower side, the right upper side and the right lower side of the middle area of the front end of a right supporting plate, adjusting threaded holes are arranged in the middles of the four, and the rear end of the adjusting bolt penetrates through the fixing through hole from the front end of the adjusting plate and is inserted into the adjusting threaded hole in a threaded manner.
The hoisting mechanism of the crane further comprises four groups of supporting springs, wherein the four groups of supporting springs are respectively sleeved outside the four groups of positioning sliding columns, the rear ends of the four groups of supporting sliding columns are respectively and correspondingly connected with the front end of the right supporting plate, and the front ends of the four groups of supporting sliding columns are respectively connected with the left upper side, the left lower side, the right upper side and the right lower side of the rear end of the adjusting plate.
The hoisting mechanism of the crane further comprises an adjusting hand wheel, and the rear end of the adjusting hand wheel is concentrically connected with the front end of the adjusting bolt.
The hoisting mechanism of the crane further comprises a limiting baffle, and the middle of the left end of the limiting baffle is connected with the right end of the angle-shaped stop lever.
The crane hoisting mechanism further comprises a reinforcing plate and four groups of supporting rods, wherein the top end of the reinforcing plate is connected with the bottom end of the hoisting motor, the top ends of the four groups of supporting rods are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the reinforcing plate, and the bottom ends of the four groups of supporting rods are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the left side area of the top end of the bottom plate.
The hoisting mechanism of the crane further comprises two groups of stop blocks, and the left ends of the two groups of stop blocks are respectively connected with the right ends of the upper support sliding column and the lower support sliding column.
The crane hoisting mechanism further comprises a blocking piece, wherein the blocking piece is positioned in front of the angle-shaped blocking rod, and the rear end of the blocking piece is concentrically connected with the front end of the upper rotating shaft.
The hoisting mechanism of the crane further comprises two groups of left mounting plates and two groups of right mounting plates, the right ends of the two groups of left mounting plates are respectively connected with the front side and the rear side of the left end of the bottom plate, the left ends of the two groups of right mounting plates are respectively connected with the front side and the rear side of the right end of the bottom plate, and the two groups of left mounting plates and the two groups of right mounting plates are respectively provided with vertically-penetrating mounting through holes.
Compared with the prior art, the invention has the beneficial effects that: the electric telescopic cylinder can be communicated with an external power supply and a control device according to the use instruction, when the winding drum needs to be braked and stopped, the electric telescopic cylinder is opened, a telescopic rod in the electric telescopic cylinder drives a U-shaped groove frame to move upwards, so that the right end of the angle type blocking rod is pushed to rotate anticlockwise by taking a lower rotary shaft as a circle center, the left end of the angle type blocking rod rotates anticlockwise by taking the lower rotary shaft as the circle center, through the matching between the strip-shaped through groove and the upper rotary shaft, the supporting shaft moves leftwards in a sliding through hole on the supporting column, meanwhile, through the sliding matching between the upper supporting sliding column and the lower supporting sliding column and the upper supporting through hole and the lower supporting through hole on the limiting plate, the supporting shaft can move leftwards and rightwards along the directions of the upper supporting sliding column and the lower supporting column, the relative rotation between the supporting shaft and the supporting column is prevented, so that the supporting shaft drives the cone, the conical brake disc is limited to rotate through the tight friction between the conical brake disc and the inner part of the conical clamping groove, when the winding drum needs to rotate again, the telescopic rod in the electric telescopic cylinder can be controlled to move downwards, the limiting plate is pushed through the elasticity of the connecting spring to drive the supporting shaft to move rightwards, so that the conical brake disc is separated from the conical clamping groove, the winding drum rotates again, the winding drum is convenient to brake and control in time according to the actual hoisting and lifting position in the using process, and the use limitation is reduced; and can make the driving belt pulley and the driven belt pulley synchronously rotate in the same direction through the transmission action of the transmission belt, so that the reciprocating lead screw can be driven by the rotation of the winding drum to rotate under the action of the left ball bearing and the right ball bearing, so that the reciprocating lead screw and the winding drum can synchronously rotate in the same direction and simultaneously stop, the reciprocating slide block matched with the reciprocating lead screw can act on the reciprocating lead screw rotating in the single direction, so as to drive the guide shaft to reciprocate left and right along with the reciprocating slide block, when the steel wire rope is arranged on the winding drum leftwards, the reciprocating slide block drives the guide shaft to slowly move leftwards, so as to pull the steel wire rope in the winding process to be arranged on the winding drum leftwards in turn, when the steel wire rope is wound at the right end of the left baffle disc on the winding drum, the reciprocating slide block moves to the left end of the reciprocating lead screw under, the reciprocating slide block moves rightwards, so that the steel wire ropes are sequentially wound and distributed on the winding drum rightwards, meanwhile, the steel wire ropes are conveniently guided through the guide through holes on the guide shaft, the steel wire ropes can be conveniently guided through the rotating fit of the universal rolling balls in the spherical chamber, and the left rotating shaft and the right rotating shaft at the left end and the right end of the guide shaft respectively rotate in the left adjusting ball bearing and the right adjusting ball bearing, so that the guide shaft is convenient to adapt to the position of the steel wire ropes to carry out position adjustment in the process of moving left and right along with the guide shaft, the adaptability is improved, the reciprocating slide block can move along the direction of the limiting slide column through the sliding fit between the limiting slide block and the limiting slide column, the reciprocating slide block is prevented from rotating along with the rotation of the reciprocating lead screw, the use reliability of the reciprocating slide block is improved, and the disorder, the arrangement effect of the steel wire rope on the winding drum is improved, and the use reliability is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention at a position A with a partially enlarged structure;
FIG. 3 is a partially enlarged schematic view of the present invention at B;
FIG. 4 is a schematic view of the present invention at a partially enlarged configuration at C;
FIG. 5 is a partially enlarged schematic view of the invention at D;
FIG. 6 is a schematic top view of the connection of the tensioner, adjustment plate and four sets of positioning struts of the present invention;
in the drawings, the reference numbers: 1. a base plate; 2. a left support plate; 3. a hoisting motor; 4. a speed reducer; 5. a reel; 6. a right baffle disc; 7. a wire rope; 8. a connecting shaft; 9. a support shaft; 10. a limiting plate; 11. a connecting spring; 12. a chuck; 13. a conical brake disc; 14. a fixing plate; 15. a support pillar; 16. an upper support strut; 17. an angle-shaped lever; 18. an electric telescopic cylinder; 19. a U-shaped groove frame; 20. a reciprocating screw; 21. a universal rolling ball; 22. connecting columns; 23. placing the plate; 24. a left support plate; 25. a guide shaft; 26. a limiting slide block; 27. a limiting sliding column; 28. a drive belt; 29. a sleeve; 30. a compression spring; 31. locking the bolt; 32. mounting a disc; 33. a limiting disc; 34. a left positioning insert column; 35. a tension wheel; 36. an adjusting plate; 37. positioning a sliding column; 38. adjusting the bolt; 39. a support spring; 40. adjusting a hand wheel; 41. a limit baffle; 42. a reinforcing plate; 43. a support bar; 44. a stopper; 45. a baffle plate; 46. and a left mounting plate.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 6, the crane hoisting mechanism of the invention comprises a base plate 1, a left support plate 2, a right support plate, a hoisting motor 3, a speed reducer 4 and a winding drum 5, wherein the bottom ends of the left support plate 2 and the right support plate are respectively connected with the left side and the right side of the top end of the base plate 1, the right output end of the hoisting motor 3 is connected with the left input end of the speed reducer 4, the right output end of the speed reducer 4 is provided with a transmission shaft, the right end of the transmission shaft penetrates through the upper side of the left support plate 2 from the left end of the left support plate 2 and extends out to the outside of the right end of the left support plate 2, the winding drum 5 is arranged between the left support plate 2 and the right support plate, the left end of the winding drum 5 is connected with the left end of the transmission shaft, the winding drum 5 is connected with a rotatable shaft on the upper side of the left, a steel wire rope 7 is wound on the winding drum 5, the steel wire rope 7 is positioned between the left baffle disc and the right baffle disc 6, and one end of the steel wire rope 7 is fixedly connected with the outer wall of the circumference of the winding drum 5; comprises a connecting shaft 8, a supporting shaft 9, a limiting plate 10, a connecting spring 11, a chuck 12, a conical brake disc 13, a fixing plate 14, a supporting column 15, an upper supporting sliding column 16, a lower supporting sliding column, an angle-shaped stop rod 17, an electric telescopic cylinder 18 and a U-shaped groove frame 19, wherein a rotating through hole which penetrates left and right is transversely arranged on the upper side in the right supporting plate, a bearing seat is concentrically arranged at the left end of the rotating through hole, an upper ball bearing is arranged in the bearing seat, the left end of the connecting shaft 8 is concentrically arranged at the right end of the right stop disc 6, the right end of the connecting shaft 8 sequentially penetrates through the upper ball bearing and the rotating through hole from the left end of the bearing seat and extends out of the right end of the right supporting plate to be concentrically connected with the left end of the chuck 12, a conical clamping groove is arranged at the right end of the chuck 12, the fixing, the supporting column 15 is positioned at the right side of the fixing plate 14, the bottom end of the supporting column 15 is connected with the top end of the bottom plate 1, the upper side of the inner part of the supporting column 15 is transversely provided with a sliding through hole which penetrates through the left side, the right end of the supporting shaft 9 can slide through the sliding through hole from the left end of the supporting column 15 and extend out to the outside of the right end of the supporting column 15, the connecting spring 11 is sleeved at the right side of the outer part of the supporting shaft 9, the left end of the connecting spring 11 is connected with the right end of the supporting column 15, the middle part of the left end of the limiting plate 10 is connected with the right end of the supporting shaft 9, the right end of the connecting spring 11 is connected with the left end of the limiting plate 10, the left end of the connecting spring 11 is concentrically connected with the right end of the conical brake disc 13, the left side of the front end of the supporting shaft 9 is provided with an upward rotating shaft, the upper side of the inner part of the angle-shaped stop, the right angle position of the angle-shaped stop lever 17 is rotatably connected with the upper side of the front end of the fixed plate 14 through a lower rotating shaft, the bottom end of the electric telescopic cylinder 18 is connected with the right front side of the top end of the bottom plate 1, the bottom end of the U-shaped groove frame 19 is connected with the top end of a telescopic rod in the electric telescopic cylinder 18, and the lower side of the right end of the angle-shaped blocking rod 17 is positioned inside the top end of the U-shaped groove frame 19, the upper supporting sliding column 16 and the lower supporting sliding column are respectively and transversely positioned at the upper side and the lower side of the connecting spring 11, the left ends of the upper supporting sliding column 16 and the lower supporting sliding column 39 are respectively connected with the upper side and the lower side of the upper half area of the right end of the supporting column 15, the upper side and the lower side inside the limiting plate 10 are respectively and transversely provided with an upper supporting through hole and a lower supporting through hole which are penetrated left and right, and the right ends of the upper supporting sliding column 16 and the lower supporting sliding column can respectively penetrate through the upper supporting through hole and the lower supporting through hole from the left end of the limiting plate 10 in a sliding manner and extend out of the right end of the limiting plate 10; the reciprocating slide bar device further comprises a reciprocating screw 20, a universal rolling ball 21, a connecting column 22, a placing plate 23, a left support plate 24, a right support plate, a guide shaft 25, a limiting slide block 26, a limiting slide column 27 and a transmission belt 28, wherein a left fixing groove is formed in the lower side of the right end of the left support plate 2, a left ball bearing is arranged in the left fixing groove, a right fixing groove is formed in the lower side of the left end of the right support plate, a right ball bearing is arranged in the right fixing groove, the left end of the reciprocating screw 20 is inserted into and fixedly mounted in the left ball bearing, the right end of the reciprocating screw 20 is inserted into and fixedly mounted in the right ball bearing, a reciprocating slide block matched with the reciprocating screw 20 is slidably sleeved on the reciprocating screw 20, the limiting slide column 27 is transversely positioned below the reciprocating screw 20, the left end of the limiting slide column, the rear end of a limiting slide column 27 transversely slidably penetrates through the limiting through hole and extends out of the right end of a limiting slide block 26 to be connected with the lower side of the left end of a right supporting plate, the bottom end of a reciprocating slide block is fixedly connected with the top end of the limiting slide block 26 through a connecting column 22, the top end of the reciprocating slide block is provided with a spherical cavity, a universal ball 21 is rotatably arranged in the spherical cavity, the top end of the reciprocating slide block is provided with a conical through hole, the bottom end of the connecting column 22 penetrates through the conical through hole from the top end of the reciprocating slide block and extends into the spherical cavity to be connected with the top end of the universal ball 21, the middle part of the bottom end of a placing plate 23 is connected with the top end of the connecting column 22, the bottom ends of a left supporting plate 24 and a right supporting plate are respectively connected with the left side and the right side of the top end of the placing plate 23, the right end of the, a right adjusting ball bearing is arranged inside the right placing groove, a left rotating shaft and a right rotating shaft are respectively arranged at the left end and the right end of the guide shaft 25, the left end of the left rotating shaft is inserted into and fixedly mounted inside the left adjusting ball bearing, the right end of the right rotating shaft is inserted into and fixedly mounted inside the right adjusting ball bearing, a guide through hole which penetrates through the guide shaft 25 from front to back is formed inside the guide shaft 25, one end of the steel wire rope 7 penetrates through the guide through hole from the rear end of the guide shaft 25 and extends out of the front end of the guide shaft 25, a driving belt pulley is fixedly sleeved on the outer left side of the connecting column 22, a driven belt pulley is fixedly sleeved on the outer right side of the reciprocating screw 20, and a transmission belt 28 is respectively sleeved on the; the electric telescopic cylinder can be communicated with an external power supply and a control device according to the use instruction, when the winding drum needs to be braked and stopped, the electric telescopic cylinder is opened, a telescopic rod in the electric telescopic cylinder drives a U-shaped groove frame to move upwards, so that the right end of the angle type blocking rod is pushed to rotate anticlockwise by taking a lower rotary shaft as a circle center, the left end of the angle type blocking rod rotates anticlockwise by taking the lower rotary shaft as the circle center, through the matching between the strip-shaped through groove and the upper rotary shaft, the supporting shaft moves leftwards in a sliding through hole on the supporting column, meanwhile, through the sliding matching between the upper supporting sliding column and the lower supporting sliding column and the upper supporting through hole and the lower supporting through hole on the limiting plate, the supporting shaft can move leftwards and rightwards along the directions of the upper supporting sliding column and the lower supporting column, the relative rotation between the supporting shaft and the supporting column is prevented, so that the supporting shaft drives the cone, the conical brake disc is limited to rotate through the tight friction between the conical brake disc and the inner part of the conical clamping groove, when the winding drum needs to rotate again, the telescopic rod in the electric telescopic cylinder can be controlled to move downwards, the limiting plate is pushed through the elasticity of the connecting spring to drive the supporting shaft to move rightwards, so that the conical brake disc is separated from the conical clamping groove, the winding drum rotates again, the winding drum is convenient to brake and control in time according to the actual hoisting and lifting position in the using process, and the use limitation is reduced; and can make the driving belt pulley and the driven belt pulley synchronously rotate in the same direction through the transmission action of the transmission belt, so that the reciprocating lead screw can be driven by the rotation of the winding drum to rotate under the action of the left ball bearing and the right ball bearing, so that the reciprocating lead screw and the winding drum can synchronously rotate in the same direction and simultaneously stop, the reciprocating slide block matched with the reciprocating lead screw can act on the reciprocating lead screw rotating in the single direction, so as to drive the guide shaft to reciprocate left and right along with the reciprocating slide block, when the steel wire rope is arranged on the winding drum leftwards, the reciprocating slide block drives the guide shaft to slowly move leftwards, so as to pull the steel wire rope in the winding process to be arranged on the winding drum leftwards in turn, when the steel wire rope is wound at the right end of the left baffle disc on the winding drum, the reciprocating slide block moves to the left end of the reciprocating lead screw under, the reciprocating slide block moves rightwards, so that the steel wire ropes are sequentially wound and distributed on the winding drum rightwards, meanwhile, the steel wire ropes are conveniently guided through the guide through holes on the guide shaft, the steel wire ropes can be conveniently guided through the rotating fit of the universal rolling balls in the spherical chamber, and the left rotating shaft and the right rotating shaft at the left end and the right end of the guide shaft respectively rotate in the left adjusting ball bearing and the right adjusting ball bearing, so that the guide shaft is convenient to adapt to the position of the steel wire ropes to carry out position adjustment in the process of moving left and right along with the guide shaft, the adaptability is improved, the reciprocating slide block can move along the direction of the limiting slide column through the sliding fit between the limiting slide block and the limiting slide column, the reciprocating slide block is prevented from rotating along with the rotation of the reciprocating lead screw, the use reliability of the reciprocating slide block is improved, and the disorder, the arrangement effect of the steel wire rope on the winding drum is improved, and the use reliability is improved.
The invention relates to a crane hoisting mechanism, which also comprises a sleeve 29, a compression spring 30, locking bolts 31, a mounting disc 32, a limiting disc 33, four groups of left positioning inserting columns 34 and four groups of right positioning inserting columns, wherein the right end of the sleeve 29 is concentrically connected with the left end of the mounting disc 32, the left ends of the four groups of left positioning inserting columns 34 are respectively connected with the upper front side, the upper rear side, the lower front side and the lower rear side of the right end of the mounting disc 32, the right end of the mounting disc 32 is concentrically attached with the left end of a left blocking disc, the upper front side, the upper rear side, the lower front side and the lower rear side of the left end of the left blocking disc are respectively provided with left positioning inserting holes, the right ends of the four groups of left positioning inserting columns 34 are respectively and correspondingly inserted into the four groups of left positioning inserting holes, the right end of a transmission shaft can be slidably inserted into the left end of the sleeve 29, the front end of the sleeve 29 is provided with a locking thread through hole, the rear end of a locking bolt 31 is screwed into the locking thread through hole from the front end of the sleeve 29 and is in locking contact with the right side of the front end of the transmission shaft, a limiting disc 33 is fixedly sleeved on the left side of the outside of the transmission shaft, a compression spring 30 is sleeved on the transmission shaft, the left end of the compression spring 30 is connected with the right end of the limiting disc 33, the right end of the compression spring 30 is concentrically connected with the left end of the sleeve 29, the left end of a driving belt pulley is concentrically attached to the right end of a right baffle disc 6, the right ends of four groups of right positioning insertion columns are respectively connected with the upper front side, the upper rear side, the lower front side and the lower rear side of the left end of the driving belt pulley, right positioning insertion holes are correspondingly formed in the upper front side, the upper rear side, the lower front side and the lower rear side of the right end of the right baffle disc 6, and the left ends of; can be through compression spring's concertina action, simultaneously through the sliding fit between transmission shaft and the sleeve pipe, move the sleeve pipe left, make the mounting disc move along with the sleeve pipe left, thereby can keep off a set and the right fender dish dismantlement with the reel intercommunication left side, the maintenance and the change to the reel are convenient, and when the reel installation after change and maintenance, can at first insert the post with four groups right location on the belt action wheel left end inside four groups right location jacks of right fender dish right-hand member respectively inject into, then compress the sleeve pipe left, under compression spring's elasticity, make four groups left location of left mounting disc right-hand member insert the post respectively inject to the left fender dish left end four groups right location jacks inside, finally through rotating the locking bolt, make sleeve pipe and transmission shaft carry out relative locking, use reliability is improved.
The invention relates to a crane hoisting mechanism, which further comprises a tension pulley 35, an adjusting plate 36, four groups of positioning sliding columns 37 and adjusting bolts 38, wherein the rear end of the tension pulley 35 is in rotatable close contact with the front end of a transmission belt 28, the right end of the tension pulley 35 is in rotatable connection with the left end of the adjusting plate 36, the left upper side, the left lower side, the right upper side and the right lower side of the front end of the adjusting plate 36 are respectively provided with adjusting through holes which penetrate through in the front and back direction, the rear ends of the four groups of positioning sliding columns 37 respectively pass through the four groups of adjusting through holes in a slidable manner from the front end of the adjusting plate 36 and extend out of the outer environment of the rear end of the adjusting plate 36 to be connected with the left upper side, the left lower side, the right upper side and the right lower side of the middle area of the front end of a right supporting plate, the adjusting threaded holes are positioned in the, and the front end of the rear end self-adjusting plate 36 of the adjusting bolt 38 is inserted through the inside of the fixing through-hole and screwed into the inside of the adjusting threaded hole; through four groups of location travelers respectively with four sliding fit between the group's adjusting through-hole, make the direction back-and-forth movement of regulating plate along four groups of location travelers to can be through adjusting bolt and the screw assembly between the regulation screw hole, the position of regulation plate is conveniently adjusted around to can adjust tensioning wheel to driving belt's the position that compresses tightly, prevent that driving belt from relaxing the transmission that influences between drive pulley and the driven pulley, improve the reliability of use.
The crane hoisting mechanism further comprises four groups of supporting springs 39, wherein the four groups of supporting springs 39 are respectively sleeved outside the four groups of positioning sliding columns 37, the rear ends of the four groups of supporting sliding columns are respectively and correspondingly connected with the front end of the right supporting plate, and the front ends of the four groups of supporting sliding columns are respectively connected with the left upper side, the left lower side, the right upper side and the right lower side of the rear end of the adjusting plate 36; the connecting and supporting capacity between the adjusting plate and the right supporting plate can be improved through the supporting spring.
The hoisting mechanism of the crane further comprises an adjusting hand wheel 40, wherein the rear end of the adjusting hand wheel 40 is concentrically connected with the front end of the adjusting bolt 38; can make things convenient for operating personnel to rotate adjusting bolt through adjusting hand wheel, use manpower sparingly, improve the practicality.
The hoisting mechanism of the crane further comprises a limiting baffle 41, wherein the middle part of the left end of the limiting baffle 41 is connected with the right end of the angle-shaped stop lever 17; can prevent "U" type rack landing on angle type shelves pole through limit baffle, improve the reliability of using.
The crane hoisting mechanism further comprises a reinforcing plate 42 and four groups of supporting rods 43, wherein the top end of the reinforcing plate 42 is connected with the bottom end of a hoisting motor 3, the top ends of the four groups of supporting rods 43 are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the reinforcing plate 42, and the bottom ends of the four groups of supporting rods 43 are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the left side area of the top end of the bottom plate 1; the stable supporting capability of the lifting motor can be improved through the matching of the reinforcing plate and the four groups of supporting rods.
The hoisting mechanism of the crane further comprises two groups of stop blocks 44, wherein the left ends of the two groups of stop blocks 44 are respectively connected with the right ends of the upper support sliding column 16 and the lower support sliding column; relative slip can be prevented from occurring between the upper supporting sliding column and the lower supporting sliding column through the two groups of stop blocks, and the use reliability is improved.
The hoisting mechanism of the crane further comprises a baffle plate 45, wherein the baffle plate 45 is positioned in front of the angle-shaped baffle rod 17, and the rear end of the baffle plate 45 is concentrically connected with the front end of the upper rotating shaft; can prevent through the separation blade that the upward rotation axle from droing in the through inslot portion of bar, improve and use the reliability.
The hoisting mechanism of the crane further comprises two groups of left mounting plates 46 and two groups of right mounting plates, wherein the right ends of the two groups of left mounting plates 46 are respectively connected with the front side and the rear side of the left end of the bottom plate 1, the left ends of the two groups of right mounting plates are respectively connected with the front side and the rear side of the right end of the bottom plate 1, and the two groups of left mounting plates 46 and the two groups of right mounting plates are respectively provided with vertically-penetrating mounting through holes; can make things convenient for the integral erection through two sets of left mounting panels and two sets of right mounting panels, improve the practicality.
The hoisting motor, the reducer and the electric telescopic cylinder used in the hoisting mechanism of the crane are purchased from the market, and technicians in the industry only need to install and operate according to the accompanying operating instructions.
When the crane hoisting mechanism works, the other end of a steel wire rope is connected with an external hoisting device, then the hoisting device is fixedly bound with a hoisted object, after the binding is finished, a hoisting motor is electrically connected with an external power supply in a forward and reverse rotating mode according to an instruction, an electric telescopic cylinder is connected with the external power supply and a control device according to the instruction, when a winding drum needs to be braked and stopped, the electric telescopic cylinder is opened, a telescopic rod in the electric telescopic cylinder drives a U-shaped groove frame to move upwards, so that the right end of an angle-shaped blocking rod is pushed to rotate anticlockwise by taking a rotary shaft as a circle center and the left end of the angle-shaped blocking rod rotates anticlockwise by taking the rotary shaft as the circle center, and a supporting shaft moves leftwards in a sliding through hole in a supporting column through the matching between an upper supporting sliding column and a lower supporting column respectively and a sliding matching through hole and a lower supporting through hole in a limiting plate through the matching between the upper supporting sliding column and the support shaft can move left and right along the direction of the upper support sliding column and the lower support sliding column to prevent relative rotation between the support shaft and the support column, so that the support shaft drives the conical brake disc to move left to be inserted into the conical clamping groove at the right end of the chuck, the conical brake disc is limited to rotate through the close friction between the conical brake disc and the conical clamping groove, when the winding drum needs to rotate again, a telescopic rod in the electric telescopic cylinder can be controlled to move downwards, the limit plate is pushed to drive the support shaft to move right through the elasticity of the connecting spring, so that the conical brake disc is separated from the conical clamping groove, the winding drum rotates again, the winding drum is convenient to brake and control the winding drum in time according to the actual hoisting and lifting position in the using process, and the driving belt pulley and the driven belt pulley can synchronously rotate in the same direction through the transmission function of the transmission belt, thereby the reciprocating lead screw can be driven to rotate under the action of the left ball bearing and the right ball bearing by the rotation of the winding drum, the reciprocating lead screw and the winding drum can synchronously rotate in the same direction and stop simultaneously, the reciprocating slide block matched with the reciprocating lead screw can act on the reciprocating lead screw rotating in a single direction, so as to drive the guide shaft to reciprocate left and right along with the reciprocating slide block, when the steel wire ropes are arranged on the winding drum leftwards, the reciprocating slide block drives the guide shaft to slowly move leftwards, thereby the steel wire ropes in the winding process are sequentially arranged on the winding drum leftwards, when the steel wire ropes are wound at the right end of the left baffle disc on the winding drum, the reciprocating slide block moves to the left end of the reciprocating lead screw under the action of the reciprocating chute on the reciprocating lead screw, the reciprocating slide block moves rightwards, so that the steel wire ropes are sequentially wound on the winding drum, meanwhile, the steel wire rope is conveniently guided through the guide through holes on the guide shaft, the steel wire rope can be conveniently subjected to rotating fit in the spherical cavity through the universal rolling balls, and the steel wire rope is convenient to adapt to the position of the steel wire rope to carry out position adjustment in the process of moving left and right along with the guide shaft through the rotation of the left rotating shaft and the right rotating shaft at the left end and the right end of the guide shaft respectively in the left adjusting ball bearing and the right adjusting ball bearing, so that the adaptability is improved, the reciprocating slide block can move along the direction of the limiting slide post through the sliding fit between the limiting slide block and the limiting slide post, and the sleeve is moved leftwards through the sliding fit between the transmission shaft and the sleeve under the telescopic action of the compression spring, so that the mounting disc moves leftwards along with the sleeve, the winding drum can be communicated with the left baffle disc and the right baffle disc to be, when the replaced and maintained winding drum is installed, four groups of right positioning insertion columns on the left end of a belt driving wheel are respectively inserted into four groups of right positioning insertion holes on the right end of a right retaining disc, then a sleeve is compressed leftwards, four groups of left positioning insertion columns on the right end of a left mounting disc are respectively inserted into four groups of positioning insertion holes on the left end of a left retaining disc under the elastic force of a compression spring, finally a locking bolt is rotated to enable the sleeve and a transmission shaft to be relatively locked, an adjusting plate can move forwards and backwards along the directions of the four groups of positioning insertion columns through sliding fit between the four groups of positioning insertion columns and four groups of adjusting through holes, the position of the adjusting plate can be conveniently adjusted forwards and backwards through screw assembly between the adjusting bolt and an adjusting threaded hole, so that the pressing position of a transmission belt of a tensioning wheel can be adjusted, the transmission belt is prevented from being loosened to influence the transmission between a, the connection support capacity between regulating plate and the right branch fagging is improved through supporting spring, make things convenient for operating personnel to rotate adjusting bolt through adjusting handle, prevent "U" type rack landing on angle type pin washer through limit baffle, the cooperation through reinforcing plate and four group's bracing pieces improves the stable support capacity who plays to rise the motor, prevent to go up through two sets of dogs that support traveller and under bracing traveller and the relative landing of taking place between the limiting plate, prevent through the separation blade that the epitrochoid from droing in the logical inslot portion of bar, make things convenient for the integral erection through two sets of left mounting panels and two sets of right mounting panels, the rotation that the rotation of the rotation drive reel of last control play to rise to wire rope realizes to the rising of article or descend can with.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A crane hoisting mechanism comprises a bottom plate (1), a left support plate (2), a right support plate, a hoisting motor (3), a speed reducer (4) and a winding drum (5), wherein the bottom ends of the left support plate (2) and the right support plate are respectively connected with the left side and the right side of the top end of the bottom plate (1), the right output end of the hoisting motor (3) is connected with the left input end of the speed reducer (4), the right output end of the speed reducer (4) is provided with a transmission shaft, the right end of the transmission shaft penetrates through the inner upper side of the left support plate (2) from the left end of the left support plate (2) and extends out of the right end of the left support plate (2), the winding drum (5) is arranged between the left support plate (2) and the right support plate, the left end of the winding drum (5) is connected with the left end of the transmission shaft, the right end of the winding drum (5) is connected with a rotatable shaft at the upper side of the left end of the right support, a steel wire rope (7) is wound on the winding drum (5), the steel wire rope (7) is positioned between the left baffle disc and the right baffle disc (6), and one end of the steel wire rope (7) is fixedly connected with the circumferential outer wall of the winding drum (5); the device is characterized by comprising a connecting shaft (8), a supporting shaft (9), a limiting plate (10), a connecting spring (11), a chuck (12), a conical brake disc (13), a fixing plate (14), a supporting column (15), an upper supporting sliding column (16), a lower supporting sliding column, an angle-shaped stop lever (17), an electric telescopic cylinder (18) and a U-shaped groove frame (19), wherein a rotating through hole which penetrates left and right is transversely arranged on the upper side in the right supporting plate, a bearing seat is concentrically arranged at the left end of the rotating through hole, an upper ball bearing is arranged in the bearing seat, the left end of the connecting shaft (8) is concentrically arranged at the right end of the right stop disc (6), and the right end of the connecting shaft (8) sequentially penetrates through the upper ball bearing and the rotating through hole from the left end of the bearing seat and extends out of the right end of the right supporting plate to be concentrically connected with the left end, the right-hand member of chuck (12) is provided with the tapered draw-in groove, fixed plate (14) are located the right side of right branch fagging, and the bottom of fixed plate (14) is connected with the top of bottom plate (1), support column (15) are located the right side of fixed plate (14), and the bottom of support column (15) is connected with the top of bottom plate (1), and the inside upside of support column (15) transversely is provided with the slip through-hole that runs through about, and the right-hand member of back shaft (9) passes inside the slip through-hole and stretches out to the right-hand member of support column (15) from the left end slidable of support column (15) outside, connecting spring (11) cover is established on the outside right side of back shaft (9), and the left end of connecting spring (11) with the right-hand member of support column (15) is connected, the left end middle part of limiting plate (10) with the, the right end of a connecting spring (11) is connected with the left end of a limiting plate (10), the left end of the connecting spring (11) is concentrically connected with the right end of a conical brake disc (13), the left side of the front end of a supporting shaft (9) is provided with an upward rotating shaft, the upper side inside an angle-shaped stop lever (17) is provided with a strip-shaped through groove which penetrates in the vertical direction from front to back, the front end of the upward rotating shaft penetrates through the inside of the strip-shaped through groove from the rear end of the angle-shaped stop lever (17) and extends out of the outside of the front end of the angle-shaped stop lever (17), the right angle position of the angle-shaped stop lever (17) is rotatably connected with the upper side of the front end of a fixing plate (14) through a downward rotating shaft, the bottom end of an electric telescopic cylinder (18) is connected with the right front side of the top end of a bottom plate (1), the bottom end of a U-shaped groove frame (19) is connected with the top, the lower side of the right end of the angle-shaped stop rod (17) is positioned inside the top end of the U-shaped groove frame (19), the upper supporting sliding column (16) and the lower supporting sliding column are respectively and transversely positioned on the upper side and the lower side of the connecting spring (11), the left ends of the upper supporting sliding column (16) and the lower supporting sliding column (39) are respectively connected with the upper side and the lower side of the upper half area of the right end of the supporting column (15), the upper side and the lower side inside the limiting plate (10) are respectively and transversely provided with an upper supporting through hole and a lower supporting through hole which penetrate left and right, and the right ends of the upper supporting sliding column (16) and the lower supporting sliding column can respectively penetrate through the upper supporting through hole and the lower supporting through hole from the left end of the limiting plate (10) in a sliding manner and extend out of the right end of the; the reciprocating screw rod device is characterized by further comprising a reciprocating screw rod (20), universal rolling balls (21), a connecting column (22), a placing plate (23), a left support plate (24), a right support plate, a guide shaft (25), a limiting sliding block (26), a limiting sliding column (27) and a transmission belt (28), wherein a left fixing groove is formed in the lower side of the right end of the left support plate (2), a left ball bearing is arranged inside the left fixing groove, a right fixing groove is formed in the lower side of the left end of the right support plate, a right ball bearing is arranged inside the right fixing groove, the left end of the reciprocating screw rod (20) is inserted into and fixedly mounted inside the left ball bearing, the right end of the reciprocating screw rod (20) is inserted into and fixedly mounted inside the right ball bearing, a reciprocating sliding block matched with the reciprocating screw rod (20) is sleeved on the reciprocating screw rod (20) in a sliding mode, and the limiting, the left end of a limiting sliding column (27) is connected with the lower side of the right end of a left support plate (2), a limiting through hole which penetrates through the left and right is transversely arranged in a limiting sliding block (26), the rear end of the limiting sliding column (27) transversely penetrates through the limiting through hole in a sliding mode and extends out of the right end of the limiting sliding block (26) to be connected with the lower side of the left end of the right support plate, the bottom end of a reciprocating sliding block is fixedly connected with the top end of the limiting sliding block (26) through a connecting column (22), a spherical cavity is arranged at the top end of the reciprocating sliding block, a universal rolling ball (21) is rotatably arranged in the spherical cavity, a conical through hole is formed in the top end of the reciprocating sliding block, the bottom end of the connecting column (22) penetrates through the conical through hole from the top end of the reciprocating sliding block and extends into the spherical cavity to be connected with the top end of the universal rolling ball (21), the middle part of the bottom, the bottom ends of the left support plate (24) and the right support plate are respectively connected with the left side and the right side of the top end of the placing plate (23), the right end of the left support plate (24) is provided with a left placing groove, a left adjusting ball bearing is arranged in the left placing groove, the left end of the right support plate is provided with a right placing groove, a right adjusting ball bearing is arranged in the right placing groove, the left end and the right end of the guide shaft (25) are respectively provided with a left rotating shaft and a right rotating shaft, the left end of the left rotating shaft is inserted into and fixedly installed in the left adjusting ball bearing, the right end of the right rotating shaft is inserted into and fixedly installed in the right adjusting ball bearing, the guide shaft (25) is internally provided with a guide through hole which penetrates forwards and backwards, one end of the steel wire rope (7) penetrates through the guide through hole from the rear end of the guide shaft (25) and extends out of the front end of the guide shaft (25), and a driving belt pulley, and the right side outside the reciprocating screw rod (20) is fixedly sleeved with a driven belt pulley, and the driving belt (28) is sleeved on the driving belt pulley and the driven belt pulley respectively.
2. A hoisting mechanism of a crane as claimed in claim 1, further comprising a sleeve (29), a compression spring (30), a locking bolt (31), a mounting plate (32), a limiting plate (33), four groups of left positioning posts (34) and four groups of right positioning posts, wherein the right end of the sleeve (29) is concentrically connected with the left end of the mounting plate (32), the left ends of the four groups of left positioning posts (34) are respectively connected with the upper front side, the upper rear side, the lower front side and the lower rear side of the right end of the mounting plate (32), the right end of the mounting plate (32) is concentrically attached with the left end of the left blocking plate, the upper front side, the upper rear side, the lower front side and the lower rear side of the left blocking plate are respectively provided with left positioning insertion holes, the right ends of the four groups of left positioning posts (34) are respectively inserted into the four groups of left positioning insertion holes, and the right ends of the transmission shafts can be slidably inserted into the left end of the sleeve (29), and the front end of the sleeve (29) is provided with a locking thread through hole which is communicated with the inside of the sleeve (29), the rear end of the locking bolt (31) is screwed into the locking thread through hole from the front end of the sleeve (29) and is in locking contact with the right side of the front end of the transmission shaft, the limiting disc (33) is fixedly sleeved on the left side of the outside of the transmission shaft, the compression spring (30) is sleeved on the transmission shaft, the left end of the compression spring (30) is connected with the right end of the limiting disc (33), the right end of the compression spring (30) is concentrically connected with the left end of the sleeve (29), the left end of the driving pulley is concentrically attached with the right end of the right baffle disc (6), and the right ends of the four groups of right positioning inserting columns are respectively connected with the upper front side, the upper rear side, the lower front side and the lower rear side of the left end of the belt driving pulley, the upper front side, the upper rear side, the lower front side and the lower rear side of the right end of the right baffle disc (6) are correspondingly provided with right positioning insertion holes, and the left ends of the four groups of right positioning insertion columns are correspondingly inserted into the four groups of right positioning insertion holes respectively.
3. A hoisting mechanism of a crane as claimed in claim 2, further comprising a tension pulley (35), an adjusting plate (36), four sets of positioning sliding pillars (37) and adjusting bolts (38), wherein the rear end of the tension pulley (35) is rotatably attached to the front end of the driving belt (28), the right end of the tension pulley (35) is rotatably connected to the left end of the adjusting plate (36), the upper left side, the lower left side, the upper right side and the lower right side of the front end of the adjusting plate (36) are respectively provided with adjusting through holes penetrating forwards and backwards, the rear ends of the four sets of positioning sliding pillars (37) are respectively slidably penetrated through the four sets of adjusting through holes from the front end of the adjusting plate (36) and extend out to the outside of the rear end of the adjusting plate (36) to be connected with the upper left side, the lower left side, the upper right side and the lower right side of the middle area of the front end of the right supporting plate, the middle area of the front end, and the adjusting threaded holes are positioned in the middle parts of the four groups of positioning sliding columns (37), the middle part of the front end of the adjusting plate (36) is provided with a fixing through hole which penetrates through the front and the back, and the rear end of the adjusting bolt (38) penetrates through the fixing through hole from the front end of the adjusting plate (36) to be inserted into the adjusting threaded holes in a threaded mode.
4. A hoisting mechanism of a crane as claimed in claim 3, further comprising four sets of supporting springs (39), wherein the four sets of supporting springs (39) are respectively sleeved outside the four sets of positioning sliding columns (37), the rear ends of the four sets of supporting sliding columns are respectively and correspondingly connected with the front ends of the right supporting plates, and the front ends of the four sets of supporting sliding columns are respectively connected with the upper left side, the lower left side, the upper right side and the lower right side of the rear end of the adjusting plate (36).
5. A crane hoist according to claim 4, further comprising an adjusting hand wheel (40), the rear end of the adjusting hand wheel (40) being concentrically connected to the front end of the adjusting bolt (38).
6. A hoisting mechanism as claimed in claim 5, further comprising a limit stop (41), the middle of the left end of the limit stop (41) being connected to the right end of the angle-shaped stop lever (17).
7. A hoisting mechanism of a crane as claimed in claim 6, further comprising a reinforcing plate (42) and four sets of support rods (43), wherein the top end of the reinforcing plate (42) is connected to the bottom end of the hoisting motor (3), and the top ends of the four sets of support rods (43) are respectively connected to the left front side, the left rear side, the right front side and the right rear side of the bottom end of the reinforcing plate (42), and the bottom ends of the four sets of support rods (43) are respectively connected to the left front side, the left rear side, the right front side and the right rear side of the left side region of the top end of the base plate (1).
8. A crane hoist according to claim 7, further comprising two sets of stops (44), the left ends of the two sets of stops (44) being connected to the right ends of the upper and lower support rams (16, 16) respectively.
9. A hoist mechanism as claimed in claim 8, further comprising a catch (45), the catch (45) being located forwardly of the angle bar (17) and the rear end of the catch (45) being concentrically connected to the front end of the head.
10. A hoisting mechanism as claimed in claim 9, further comprising two sets of left mounting plates (46) and two sets of right mounting plates, wherein the right ends of the two sets of left mounting plates (46) are respectively connected with the front side and the rear side of the left end of the base plate (1), the left ends of the two sets of right mounting plates are respectively connected with the front side and the rear side of the right end of the base plate (1), and the two sets of left mounting plates (46) and the two sets of right mounting plates are provided with mounting through holes penetrating up and down.
CN201811211238.3A 2018-10-17 2018-10-17 Hoisting mechanism of crane Active CN109110662B (en)

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CN110160729B (en) * 2019-06-19 2024-06-18 苏州众源测试技术有限公司 Differential mechanism impact test stand
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