阅读说明：本技术 一种电动葫芦的定点限位折线起升机构 (Fixed-point limiting fold line lifting mechanism of electric hoist ) 是由 王立建 武建华 于 2021-09-10 设计创作，主要内容包括：本发明公开了一种电动葫芦的定点限位折线起升机构,包括连接架,所述连接架外壁设有安装架,所述连接架内壁设有第一旋转块,且第一旋转块与伺服电机一端呈包裹连接,所述第一旋转块两侧设有限位杆,其限位杆上设有滚轴,且滚轴与套板呈滚动连接,所述卷曲轴通过滚轴、套板、第一旋转块和伺服电机与连接架呈双向滚动旋转活动连接,且卷曲轴表面为弧形凹槽结构。该电动葫芦的定点限位折线起升机构的第一旋转块与伺服电机一端呈包裹连接,而滚轴与套板呈滚动连接,卷曲轴通过滚轴、套板、第一旋转块和伺服电机与连接架呈双向滚动旋转活动连接,且卷曲轴表面为弧形凹槽结构,这样使得该装置卷曲更稳定,并且方便收集吊绳。(The invention discloses a fixed-point limiting folding line lifting mechanism of an electric hoist, which comprises a connecting frame, wherein an installation frame is arranged on the outer wall of the connecting frame, a first rotating block is arranged on the inner wall of the connecting frame and is connected with one end of a servo motor in a wrapping mode, limiting rods are arranged on two sides of the first rotating block, rolling shafts are arranged on the limiting rods and are in rolling connection with sleeve plates, a rolling shaft is movably connected with the connecting frame in a bidirectional rolling mode through the rolling shafts, the sleeve plates, the first rotating block and the servo motor, and the surface of a curling shaft is of an arc groove structure. This spacing broken line hoisting mechanism of fixed point of electric block's first rotatory piece is the parcel with servo motor one end and is connected, and the roller bearing is roll connection with the lagging, and the curling axle is two-way roll rotation swing joint through roller bearing, lagging, first rotatory piece and servo motor and link, and curls the axle surface and be arc groove structure, makes the device curl more stably like this to conveniently collect the lifting rope.)

1. The utility model provides a spacing broken line hoisting mechanism of fixed point of electric block, includes link (1), link (1) inner wall is equipped with lagging (2), and lagging (2) inner wall is equipped with a book axle (7), link (1) outer wall is equipped with mounting bracket (14), its characterized in that: roll up bent axle (7) one end and be equipped with servo motor (3), and servo motor (3) outer wall is connected with link (1), link (1) inner wall is equipped with first rotatory piece (10), and just first rotatory piece (10) are the parcel with servo motor (3) one end and are connected, first rotatory piece (10) both sides are equipped with gag lever post (9), are equipped with roller bearing (8) on its gag lever post (9), and roller bearing (8) are roll connection with lagging (2), roll up bent axle (7) and be two-way roll rotation swing joint through roller bearing (8), lagging (2), first rotatory piece (10) and servo motor (3) with link (1), and roll up bent axle (7) surface and be arc groove structure.

2. The fixed-point limiting fold line lifting mechanism of the electric hoist as claimed in claim 1, characterized in that: the connecting frame (1) is of a triangular structure, the connecting frame (1) is connected with the sleeve plate (2) in a sleeved mode, the inner wall of the connecting frame (1) is provided with a transmission gear (4), and the transmission gear (4) is in meshed rotary connection with the sleeve plate (2).

3. The fixed-point limiting fold line lifting mechanism of the electric hoist as claimed in claim 2, characterized in that: the connecting frame is characterized in that an upper fixing rod (6) is arranged at the upper end of the connecting frame (1), a lower fixing rod (12) is arranged at the lower end of the connecting frame (1), and the lower fixing rod (12) and the upper fixing rod (6) are distributed in parallel limiting positions with the winding shaft (7).

4. The fixed-point limiting fold line lifting mechanism of the electric hoist as claimed in claim 3, characterized in that: link (1) one side is equipped with activity curb plate (13), and activity curb plate (13) opposite side is equipped with closing plate (11), activity curb plate (13) and closing plate (11) are upset swing joint through first pivot (5) and last dead lever (6), and are equipped with bolt piece (21) on activity curb plate (13), bolt piece (21) outer wall is equipped with thread groove (20), and thread groove (20) are connected with lower dead lever (12), activity curb plate (13) are locking fixed connection through bolt piece (21) and thread groove (20) and lower dead lever (12).

5. The fixed-point limiting fold line lifting mechanism of the electric hoist as claimed in claim 4, characterized in that: fixed jack (28) have been seted up at link (1) edge, and are equipped with locking inserted block (26) in fixed jack (28), the locking inserted block (26) other end is equipped with pull rod (15), and its pull rod (15) both sides are equipped with spring (27), and spring (27) are connected with mounting bracket (14), mounting bracket (14) are the flexible swing joint of elasticity through spring (27) and locking inserted block (26).

6. The fixed-point limiting fold line lifting mechanism of the electric hoist as claimed in claim 5, characterized in that: the lagging (2) opposite side is equipped with connects inserted block (30), and connects inserted block (30) outer wall and be equipped with connection slot (29), connection slot (29) are connected with book bent axle (7), and book bent axle (7) are through connection slot (29) and connect inserted block (30) and lagging (2) and are to insert and close fixed connection.

7. The fixed-point limiting fold line lifting mechanism of the electric hoist as claimed in claim 6, characterized in that: be equipped with hasp (16) on book bent axle (7), and be equipped with locking piece (17) on hasp (16), be equipped with second pivot (18) on locking piece (17), and be equipped with back force spring (19) on second pivot (18), locking piece (17) are elasticity upset swing joint through second pivot (18) and back force spring (19) and hasp (16).

8. The fixed-point limiting fold line lifting mechanism of the electric hoist as claimed in claim 7, characterized in that: the outer wall of the closing plate (11) is provided with a second rotating block (23), balls (24) are arranged on the second rotating block (23), a rotating groove (25) is formed in the outer wall of each ball (24), each rotating groove (25) is connected with a movable side plate (13), and each movable side plate (13) is movably connected with the closing plate (11) in a rolling and rotating mode through the corresponding rotating groove (25), the corresponding balls (24) and the second rotating block (23).

9. The fixed-point limiting fold line lifting mechanism of the electric hoist as claimed in claim 8, characterized in that: the mounting bracket (14) inner wall is equipped with extrusion spring (32), and the extrusion spring (32) other end is equipped with clamp plate (31), mounting bracket (14) are extrusion fixed connection through clamp plate (31) and extrusion spring (32) and book axle (7).

10. The fixed-point limiting fold line lifting mechanism of the electric hoist as claimed in claim 9, characterized in that: one end of the connecting insertion block (30) is provided with a splicing block (22), the splicing block (22) is of an arc-shaped cross structure, the shape of the splicing block (22) is matched with that of the side face of the closed plate (11), and the closed plate (11) is connected with the connecting insertion block (30) in an inserting and splicing mode through the splicing block (22).

Technical Field

The invention relates to the technical field of electric hoists, in particular to a fixed-point limiting fold line lifting mechanism of an electric hoist.

Background

The electric hoist is a special hoisting device, is arranged on a crown block and a gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is used in places such as industrial and mining enterprises, storage, docks and the like.

The electric hoist has compact structure, and the motor axis is vertical to the electric hoist of the winding drum axis by adopting a worm gear transmission device. The disadvantages are: the length dimension is big, and the size is big in the aspect of the width, and the structure is bulky, and mechanical efficiency is low, and it is difficult etc.. The hydraulic system is dual control, and the overflow regulating valve and the magnetic contact pressure gauge can accurately control the pressure. The electric appliance control department adopts low voltage control, and the safety of the governing system is increased.

The current patent number is CN202110018457.5 heat dissipation type electric block, and the device is when using, and it is not good to collect the effect of curling, uses unstably to make an electric block's spacing broken line hoisting mechanism of fixed point reach and collect the effect of curling good, use stable purpose.

Disclosure of Invention

The invention aims to provide a fixed-point limiting fold line lifting mechanism of an electric hoist, which aims to solve the problems of poor collecting and curling effects and unstable use of the electric hoist in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a spacing broken line hoisting mechanism of fixed point of electric block, includes the link, the link inner wall is equipped with the lagging, and the lagging inner wall is equipped with a book axle, the link outer wall is equipped with the mounting bracket, book axle one end is equipped with servo motor, and the servo motor outer wall is connected with the link, the link inner wall is equipped with first rotatory piece, and just first rotatory piece is the parcel with servo motor one end and is connected, first rotatory piece both sides are equipped with the gag lever post, are equipped with the roller bearing on its gag lever post, and the roller bearing is roll connection with the lagging, book axle passes through roller bearing, lagging, first rotatory piece and servo motor and is two-way roll rotation swing joint with the link, and curls the axle surface and be arc groove structure.

Preferably, the connecting frame is of a triangular structure and is connected with the sleeve plate in a sleeved mode, a transmission gear is arranged on the inner wall of the connecting frame and is in meshed rotary connection with the sleeve plate.

Preferably, the upper end of the connecting frame is provided with an upper fixing rod, the lower end of the connecting frame is provided with a lower fixing rod, and the lower fixing rod and the upper fixing rod are distributed at parallel limiting positions with the winding shaft.

Preferably, a movable side plate is arranged on one side of the connecting frame, a closing plate is arranged on the other side of the movable side plate, the movable side plate and the closing plate are in turnover movable connection with the upper fixing rod through a first rotating shaft, a bolt block is arranged on the movable side plate, a thread groove is formed in the outer wall of the bolt block and connected with the lower fixing rod, and the movable side plate is in locking fixed connection with the lower fixing rod through the bolt block and the thread groove.

Preferably, a fixed jack is formed in the edge of the connecting frame, a locking insert is arranged in the fixed jack, a pull rod is arranged at the other end of the locking insert, springs are arranged on two sides of the pull rod and connected with the mounting frame, and the mounting frame is elastically, telescopically and movably connected with the locking insert through the springs.

Preferably, the lagging opposite side is equipped with the connection inserted block, and connects the inserted block outer wall and be equipped with connection slot, connection slot is connected with the curling axle, and the curling axle is through connection slot and connection inserted block and lagging and be inserted and close fixed connection.

Preferably, the winding shaft is provided with a lock catch, the lock catch is provided with a lock block, the lock block is provided with a second rotating shaft, the second rotating shaft is provided with a return spring, and the lock block is elastically and movably connected with the lock catch through the second rotating shaft and the return spring.

Preferably, the outer wall of the closing plate is provided with a second rotating block, the second rotating block is provided with a ball, the outer wall of the ball is provided with a rotating groove, the rotating groove is connected with a movable side plate, and the movable side plate is in rolling rotation movable connection with the closing plate through the rotating groove, the ball and the second rotating block.

Preferably, the inner wall of the mounting rack is provided with an extrusion spring, the other end of the extrusion spring is provided with a pressing plate, and the mounting rack is fixedly connected with the curling shaft in an extrusion manner through the pressing plate and the extrusion spring.

Preferably, one end of the connecting insertion block is provided with a splicing block which is of an arc cross structure, the shape of the splicing block is matched with that of the side face of the sealing plate, and the sealing plate is connected with the connecting insertion block in an inserting and splicing manner through the splicing block.

Compared with the prior art, the invention has the beneficial effects that: this spacing broken line hoisting mechanism of fixed point of electric block's first rotatory piece is the parcel with servo motor one end and is connected, and the roller bearing is roll connection with the lagging, and the curling axle is two-way roll rotation swing joint through roller bearing, lagging, first rotatory piece and servo motor and link, and curls the axle surface and be arc groove structure, makes the device curl more stably like this to conveniently collect the lifting rope.

Drawings

FIG. 1 is a front view of a fixed-point limiting fold line hoisting mechanism of an electric hoist of the invention;

FIG. 2 is a cross-sectional view of a fixed-point limiting fold line hoisting mechanism of an electric hoist of the invention;

FIG. 3 is a side sectional view of a fixed point limiting fold line lifting mechanism of the electric hoist of the invention;

FIG. 4 is a schematic connection diagram of a fixed-point limiting fold line hoisting mechanism connecting frame and an installation frame of the electric hoist;

FIG. 5 is an enlarged view of the A position in the fixed point limiting fold line lifting mechanism composition 3 of the electric hoist;

FIG. 6 is an enlarged view of a position B in a fixed point limiting fold line lifting mechanism diagram 3 of the electric hoist;

FIG. 7 is an enlarged view of the position C in the fixed point limiting fold line lifting mechanism diagram 3 of the electric hoist;

fig. 8 is an enlarged view of a position D in the fixed point limiting fold line lifting mechanism diagram 4 of the electric hoist.

In the figure: 1. the connecting device comprises a connecting frame, 2, a sleeve plate, 3, a servo motor, 4, a transmission gear, 5, a first rotating shaft, 6, an upper fixing rod, 7, a rolling shaft, 8, a rolling shaft, 9, a limiting rod, 10, a first rotating block, 11, a closing plate, 12, a lower fixing rod, 13, a movable side plate, 14, a mounting frame, 15, a pull rod, 16, a lock catch, 17, a locking block, 18, a second rotating shaft, 19, a return spring, 20, a thread groove, 21, a bolt block, 22, a splicing block, 23, a second rotating block, 24, a ball, 25, a rotating groove, 26, a locking insertion block, 27, a spring, 28, a fixing insertion hole, 29, a connecting insertion groove, 30, a connecting insertion block, 31, a pressing plate, 32 and an extrusion spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a fixed point limiting fold line hoisting mechanism of an electric hoist comprises a connecting frame 1, a sleeve plate 2, a servo motor 3, a transmission gear 4, a first rotating shaft 5, an upper fixing rod 6, a curling shaft 7, a rolling shaft 8, a limiting rod 9, a first rotating block 10, a sealing plate 11, a lower fixing rod 12, a movable side plate 13, a mounting frame 14, a pull rod 15, a lock catch 16, a locking block 17, a second rotating shaft 18, a return spring 19, a thread groove 20, a bolt block 21, a splicing block 22, a second rotating block 23, a ball 24, a rotating groove 25, a locking insertion block 26, a spring 27, a fixed insertion hole 28, a connecting insertion slot 29, a connecting insertion block 30, a pressing plate 31 and an extrusion spring 32, wherein the sleeve plate 2 is arranged on the inner wall of the connecting frame 1, the winding shaft 7 is arranged on the inner wall of the sleeve plate 2, the connecting frame 1 is of a triangular structure, the connecting frame 1 is connected with the sleeve plate 2 in a sleeved mode, the connecting frame 1 is provided with the inner wall with the transmission gear 4, and the sleeve plate 2 are in a meshed rotary mode, so that the device can rotate more stably when being curled, the upper end of the connecting frame 1 is provided with the upper fixing rod 6, the lower end of the connecting frame 1 is provided with the lower fixing rod 12, the lower fixing rod 12 and the upper fixing rod 6 are distributed in parallel limiting positions with the curling shaft 7, so that the device can conveniently limit the broken line of the lifting rope, one side of the connecting frame 1 is provided with the movable side plate 13, the other side of the movable side plate 13 is provided with the closing plate 11, the movable side plate 13 and the closing plate 11 are connected with the upper fixing rod 6 in a turning and movable manner through the first rotating shaft 5, the movable side plate 13 is provided with the bolt block 21, the outer wall of the bolt block 21 is provided with the thread groove 20, the thread groove 20 is connected with the lower fixing rod 12, the movable side plate 13 is fixedly connected with the lower fixing rod 12 in a locking manner through the bolt block 21 and the thread groove 20, so that the movable side plate 13 and the closing plate 11 of the device can be conveniently turned and fixed, the edge of the connecting frame 1 is provided with the fixing jack 28, a locking insert 26 is arranged in the fixed jack 28, a pull rod 15 is arranged at the other end of the locking insert 26, springs 27 are arranged on two sides of the pull rod 15, the springs 27 are connected with the mounting frame 14, the mounting frame 14 is elastically, telescopically and movably connected with the locking insert 26 through the springs 27, so that the connecting frame 1 of the device is conveniently and fixedly installed on the mounting frame 14, a connecting insert 30 is arranged on the other side of the sleeve plate 2, a connecting insert 29 is arranged on the outer wall of the connecting insert 30, the connecting insert 29 is connected with the winding shaft 7, the winding shaft 7 is fixedly connected with the sleeve plate 2 in an inserting manner through the connecting insert 29 and the connecting insert 30, so that the sleeve plate 2 of the device is conveniently inserted and disassembled with the winding shaft 7, a lock catch 16 is arranged on the winding shaft 7, a lock block 17 is arranged on the lock catch 16, a second rotating shaft 18 is arranged on the lock catch 17, a return spring 19 is arranged on the second rotating shaft 18, and the lock catch 16 is elastically, overturned and movably connected with the lock catch 16 through the return spring 19, so that the device can conveniently fix the lifting rope with the curling shaft 7, the outer wall of the connecting frame 1 is provided with the mounting frame 14, the inner wall of the mounting frame 14 is provided with the extrusion spring 32, the other end of the extrusion spring 32 is provided with the pressing plate 31, the mounting frame 14 is fixedly connected with the curling shaft 7 in an extrusion manner through the pressing plate 31 and the extrusion spring 32, so that the device can conveniently extrude and bundle the lifting rope, and is convenient to collect, one end of the curling shaft 7 is provided with the servo motor 3, the outer wall of the servo motor 3 is connected with the connecting frame 1, the inner wall of the connecting frame 1 is provided with the first rotating block 10, the first rotating block 10 is connected with one end of the servo motor 3 in a wrapping manner, two sides of the first rotating block 10 are provided with the limiting rods 9, the limiting rods 9 are provided with the rolling shafts 8, the rolling shafts 8 are in rolling connection with the sleeve plates 2, the curling shaft 7 is in rolling bidirectional rotating movable connection with the connecting frame 1 through the rolling shafts 8, the sleeve plates 2, the first rotating block 10 and the servo motor 3, the surface of the curling shaft 7 is of an arc groove structure, a second rotating block 23 is arranged on the outer wall of the sealing plate 11, balls 24 are arranged on the second rotating block 23, a rotating groove 25 is arranged on the outer wall of each ball 24, the rotating groove 25 is connected with the movable side plate 13, the movable side plate 13 is movably connected with the sealing plate 11 in a rolling rotating mode through the rotating groove 25, the balls 24 and the second rotating block 23, so that the curling shaft 7 of the device can rotate more conveniently with the movable side plate 13, a splicing block 22 is arranged at one end of the connecting insertion block 30, the splicing block 22 is of an arc cross structure, the shape of the splicing block 22 is matched with that of the side face of the sealing plate 11, the sealing plate 11 is connected with the connecting insertion block 30 in an inserting and splicing mode through the splicing block 22, and the sealing plate 11 of the device is fixedly connected with the connecting insertion block 30 in an inserting and splicing mode.

The working principle is as follows: when the fixed-point limiting fold line hoisting mechanism of the electric hoist is used, the device is taken out firstly, then a closing plate 11 and a movable side plate 13 on the side surface of a connecting frame 1 of the device are turned over and opened through a first rotating shaft 5, then a winding shaft 7 is fixedly inserted into a sleeve plate 2 through a connecting slot 29 and a connecting insertion block 30, then the closing plate 11 and the movable side plate 13 are closed, the closing plate 11 is fixedly inserted into a connecting insertion block 30 through a splicing block 22, then the winding shaft is fixedly locked with a lower fixing rod 12 through a bolt block 21 and a thread groove 20, then one end of a lifting rope is sleeved in a lock catch 16, then the lock block 17 is automatically closed and fixed through a second rotating shaft 18 and a return spring 19, then the connecting frame 1 is sleeved in a mounting frame 14 and fixedly inserted into a locking insertion block 26 and a fixed insertion hole 28, when the lifting is needed, a servo motor 3 of the device can be started, make it drive lagging 2 and curling axle 7 and rotate, and first rotatory piece 10 rolls rotatoryly through roller bearing 8 and gag lever post 9 and lagging 2, and the closing plate 11 can slide rotatoryly through second rotatory piece 23, ball 24 and swivelling chute 25 and activity curb plate 13, and when curling, can carry out the arc structure on the curling axle 7 surface and gather together and curl, and can extrude the lifting rope and float through clamp plate 31 and extrusion spring 32, when curling, can carry out spacing the buckling with the lifting rope through upper fixed rod 6 and lower fixed rod 12, and when the lagging 2 is rotatory curls, can carry out the meshing linkage rotation through drive gear 4 and link 1, slow down, this is exactly this electric block's the spacing hoisting mechanism's of fixed point use process.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.