CN210236137U

CN210236137U - Chain deviation prevention mechanism for elevator

Info

Publication number: CN210236137U
Application number: CN201921084238.1U
Authority: CN
Inventors: Yong Shen; 沈勇
Original assignee: Zhangjiagang Shengyun Machinery Co ltd
Current assignee: Zhangjiagang Shengyun Machinery Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-04-03
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a prevent chain off tracking mechanism for lifting machine, including bottom plate, fixed frame, movable frame and installing frame, the bottom of fixed frame and movable frame all with the top fixed connection of bottom plate, the front of installing frame and one side fixed connection at the movable frame back, one side at movable frame inner wall top is rotated through the bearing and is connected with the threaded sleeve, and threaded sleeve's internal thread is connected with the threaded rod, the top of movable frame inner wall just is located one side on threaded sleeve surface and passes through the first motor of connecting block fixedly connected with, the utility model relates to a lifting machine technical field. This a prevent chain off tracking mechanism for lifting machine can realize carrying out the automation to this chain when the off tracking and rectify, and convenient to use has just reduced certain potential safety hazard, thereby this mechanism of rectifying simultaneously can reciprocate conveniently to accomodate, avoids causing the problem of hindrance when maintaining or changing follow-up chain, satisfies actual user demand.

Description

Chain deviation prevention mechanism for elevator

Technical Field

The utility model relates to a lifting machine technical field specifically is a prevent chain off tracking mechanism for lifting machine.

Background

The hoisting machine is large mechanical equipment for transportation by changing potential energy, such as a mine hoisting machine, a dam-crossing hoisting machine and the like, and can be called as a hoisting machine in a broad sense, such as an elevator, a crown block, a winch, a stable vehicle, a crane, a hoist and the like, generally refers to large mechanical equipment with high power and high hoisting capacity, the hoisting machine drags a flexible steel wire rope and transported goods to move up and down through power machinery to finish the transportation process, the steel wire rope is an indispensable important part of hoisting machinery, and the main types of the steel wire rope are phosphated coating steel wire ropes, galvanized steel wire ropes, stainless steel wire ropes, smooth steel wire ropes and the like.

The lifting machine is mostly used when lifting and transporting materials, the existing lifting machine generally adopts chain transmission to convey the materials, but the following problems still exist in the actual using process:

1. the chain is inclined, so that the chain is easy to deflect in the rotation process, the normal conveying work of a subsequent elevator is influenced, the manual deviation rectifying operation is inconvenient, certain potential safety hazards exist, and the working efficiency of the elevator is reduced;

2. the existing deviation correcting mechanism mostly adopts a fixed structure, a chain needs to be replaced after long-term use, and the blockage of the deviation correcting mechanism during replacement influences maintenance work, so that the maintenance difficulty is increased for workers.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a prevent chain off tracking mechanism for lifting machine has solved the chain at the easy off tracking of in-process of gyration, and the manual deviation operation is inconvenient and fixed mechanism of rectifying leads to the fact the problem of influence for the maintenance work of follow-up chain.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a chain deviation preventing mechanism for a hoister comprises a bottom plate, a fixed frame, a movable frame and a mounting frame, wherein the bottoms of the fixed frame and the movable frame are fixedly connected with the top of the bottom plate, the front surface of the mounting frame is fixedly connected with one side of the back surface of the movable frame, one side of the top of the inner wall of the movable frame is rotatably connected with a threaded sleeve through a bearing, the internal thread of the threaded sleeve is connected with a threaded rod, one side of the top of the inner wall of the movable frame, which is positioned on the surface of the threaded sleeve, is fixedly connected with a first motor through a connecting block, one end of an output shaft of the first motor is fixedly connected with a first bevel gear, the surface of the threaded sleeve is fixedly connected with a second bevel gear meshed with the first bevel gear, the bottom end of the threaded rod is fixedly connected with a sliding plate, the front surface and the back surface of the sliding plate are both, and the inner wall fixedly connected with electric putter of fixed slot, electric putter's one end runs through the fixed slot and extends to the outside of fixed slot.

Preferably, the both sides at the activity frame inner wall back rotate from a left side to the right side in proper order and are connected with first dwang and second dwang, the one end of first dwang and second dwang runs through the inside that activity frame and fixed frame and extended to the fixed frame in proper order, the inside rotation that the bearing and fixed frame were passed through to the one end that first dwang and second dwang extended to fixed frame inside is connected.

Preferably, the surface of first dwang and second dwang just is located the inside of movable frame and all rotates and is connected with the gear, two the equal transmission in surface of gear is connected with the chain.

Preferably, the bottom fixedly connected with fixed block of sliding plate, and the bottom of fixed block set up with the through-hole of chain looks adaptation, the both sides of fixed block all are through buffer spring fixedly connected with movable block, two the fixed block is all run through and extend to the inside of fixed block to the one side that the movable block is relative.

Preferably, the surface of first dwang and second dwang just is located and all transmits between fixed frame and the relative one side of movable frame and is connected with conveyer, the other end of first dwang runs through movable frame and installing frame in proper order and extends to the inside of installing frame, the inner wall fixedly connected with second motor of installing frame, the one end fixed connection that shaft coupling and second motor output shaft were passed through to the inside one end of installing frame is extended to first dwang.

Preferably, the bottom of the bottom plate is fixedly connected with an anti-skid base through a supporting leg.

Advantageous effects

The utility model provides a prevent chain off tracking mechanism for lifting machine. Compared with the prior art, the method has the following beneficial effects:

(1) the chain deviation preventing mechanism for the elevator is characterized in that a threaded sleeve is rotatably connected to one side of the top of the inner wall of the movable frame through a bearing, a threaded rod is connected to the inner thread of the threaded sleeve, a first motor is fixedly connected to one side of the top of the inner wall of the movable frame, which is positioned on the surface of the threaded sleeve, through a connecting block, a first bevel gear is fixedly connected to one end of an output shaft of the first motor, a second bevel gear meshed with the first bevel gear is fixedly connected to the surface of the threaded sleeve, a sliding plate is fixedly connected to the bottom end of the threaded rod, the front surface and the back surface of the sliding plate are both in sliding connection with the inner wall of the movable frame, fixing grooves are formed in the front surface and one side of the back surface of the inner wall of the movable frame, an electric push rod is fixedly, and the bottom of fixed block set up with the through-hole of chain looks adaptation, the both sides of fixed block all are through buffer spring fixedly connected with movable block, the inside that the fixed block and extend to the fixed block is all run through to one side that two movable blocks are relative, can realize carrying out automatic deviation rectification when the off tracking to this chain, need not the manual work and operate, convenient to use and certain potential safety hazard has been reduced, thereby the mechanism of should rectifying simultaneously can reciprocate and conveniently accomodate, avoid causing the problem of hindrance when maintaining or changing follow-up chain, the work efficiency of this lifting machine has been improved, satisfy actual user demand.

(2) This a prevent chain off tracking mechanism for lifting machine passes through supporting leg fixedly connected with antiskid base through the bottom of bottom plate, the surface of first dwang and second dwang just is located and all transmits between fixed frame and the relative one side of movable frame and is connected with conveyer, can realize stably placing between lifting machine during operation and ground, prevents the phenomenon of vibration and displacement, and conveyer's setting can be stabilized the material and carried.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a top view of the internal structure of the fixed frame, the movable frame and the mounting frame of the present invention;

fig. 3 is a right side view of the internal structure of the movable frame of the present invention.

In the figure: 1-bottom plate, 2-fixed frame, 3-movable frame, 4-mounting frame, 5-threaded sleeve, 6-threaded rod, 7-first motor, 8-first bevel gear, 9-second bevel gear, 10-sliding plate, 11-fixed groove, 12-electric push rod, 13-movable block, 14-first rotating rod, 15-second rotating rod, 16-gear, 17-chain, 18-fixed block, 19-through hole, 20-conveying belt, 21-second motor and 22-antiskid base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a mechanism for preventing chain from deviating for a lifter can realize automatic deviation correction of a chain 17 during deviating, does not need manual operation, is convenient to use and reduces certain potential safety hazards, can move up and down to be convenient to store, avoids the problem of blocking of a follow-up chain 17 during maintenance or replacement, improves the working efficiency of the lifter, meets the actual use requirement, and comprises a bottom plate 1, a fixed frame 2, a movable frame 3 and a mounting frame 4, wherein the bottoms of the fixed frame 2 and the movable frame 3 are fixedly connected with the top of the bottom plate 1, the bottom of the bottom plate 1 is fixedly connected with an anti-skid base 22 through supporting legs, the anti-skid base 22 can be stably placed between the lifter and the ground during working, the phenomena of vibration and displacement are prevented, the front of the mounting frame 4 is fixedly connected with one side of the back of the movable frame 3, a first rotating rod 14 and a second rotating rod 15 are sequentially and rotatably connected to the two sides of the back surface of the inner wall of the movable frame 3 from left to right, gears 16 are respectively and rotatably connected to the surfaces of the first rotating rod 14 and the second rotating rod 15 and positioned in the movable frame 3, chains 17 are respectively and rotatably connected to the surfaces of the two gears 16, one ends of the first rotating rod 14 and the second rotating rod 15 sequentially penetrate through the movable frame 3 and the fixed frame 2 and extend into the fixed frame 2, one ends of the first rotating rod 14 and the second rotating rod 15 extending into the fixed frame 2 are rotatably connected with the inside of the fixed frame 2 through bearings, one side of the top of the inner wall of the movable frame 3 is rotatably connected with a threaded sleeve 5 through a bearing, a threaded rod 6 is connected to the internal thread of the threaded sleeve 5, a first motor 7 is fixedly connected to one side of the top of the inner wall of the movable frame 3 and positioned on the surface of the threaded sleeve 5, the surface of the threaded sleeve 5 is fixedly connected with a second bevel gear 9 meshed with a first bevel gear 8, the bottom end of the threaded rod 6 is fixedly connected with a sliding plate 10, the front surface and the back surface of the sliding plate 10 are both connected with the inner wall of the movable frame 3 in a sliding manner, the bottom of the sliding plate 10 is fixedly connected with a fixed block 18, the bottom of the fixed block 18 is provided with a through hole 19 matched with a chain 17, both sides of the fixed block 18 are both fixedly connected with movable blocks 13 through buffer springs, one side, opposite to the two movable blocks 13, penetrates through the fixed block 18 and extends into the fixed block 18, the surfaces of the first rotating rod 14 and the second rotating rod 15, positioned between the fixed frame 2 and the side, opposite to the movable frame 3, are both in transmission connection with a conveying belt 20, the conveying belt 20 is arranged to stably convey materials, the other end of the first rotating rod 14 sequentially penetrates through the movable frame, the inner wall of the mounting frame 4 is fixedly connected with a second motor 21, the second motor 21 and the first motor 7 are both servo motors, the speed can be controlled, the position precision is very accurate, the voltage signal can be converted into torque and rotating speed to drive a control object, meanwhile, the front and the back can be rotated, one end of the first rotating rod 14 extending to the inside of the mounting frame 4 is fixedly connected with one end of the output shaft of the second motor 21 through a coupler, one side of the front surface and one side of the back surface of the inner wall of the movable frame 3 are both provided with fixed grooves 11, and the inner wall of the fixed groove 11 is fixedly connected with an electric push rod 12, the electric push rod 12 is an electric driving device which converts the rotary motion of the motor into the linear reciprocating motion of the push rod, the electric push rod 12 can be used as an execution machine in various simple or complex process flows to realize remote control, centralized control or automatic control, and one end of the electric push rod 12 penetrates through the fixing groove 11 and extends to the outside of the fixing groove 11.

During the use, start second motor 21 and make first dwang 14 begin to rotate, can drive second dwang 15 through gear 16 and chain 17 simultaneously and begin to rotate, when chain 17 off tracking on gear 16, start external switch and make first motor 7 begin corotation, first motor 7 can drive threaded sleeve 5 through first bevel gear 8 and second bevel gear 9 and begin to rotate, the rotation of threaded rod 6 can make sliding plate 10 lapse simultaneously, fixed block 18 removes to the direction of chain 17, start electric putter 12 simultaneously, electric putter 12 can promote movable block 13, make movable block 13 promote to the direction of chain 17 and rectify, whole work has just so been accomplished.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent chain off tracking mechanism for lifting machine, includes bottom plate (1), fixed frame (2), movable frame (3) and installing frame (4), the bottom of fixed frame (2) and movable frame (3) all with the top fixed connection of bottom plate (1), one side fixed connection at the front and the movable frame (3) back of installing frame (4), its characterized in that: one side of the top of the inner wall of the movable frame (3) is rotatably connected with a threaded sleeve (5) through a bearing, the internal thread of the threaded sleeve (5) is connected with a threaded rod (6), the top of the inner wall of the movable frame (3) and one side of the inner wall of the threaded sleeve (5) are fixedly connected with a first motor (7) through a connecting block, one end of an output shaft of the first motor (7) is fixedly connected with a first bevel gear (8), the surface of the threaded sleeve (5) is fixedly connected with a second bevel gear (9) meshed with the first bevel gear (8), the bottom end of the threaded rod (6) is fixedly connected with a sliding plate (10), the front surface and the back surface of the sliding plate (10) are both in sliding connection with the inner wall of the movable frame (3), one side of the front surface and the back surface of the inner wall of the movable frame (3) are both provided with fixed grooves (, one end of the electric push rod (12) penetrates through the fixing groove (11) and extends to the outside of the fixing groove (11).

2. The chain deviation preventing mechanism for the hoisting machine as claimed in claim 1, wherein: the both sides at the activity frame (3) inner wall back rotate in proper order from a left side to the right side and are connected with first dwang (14) and second dwang (15), the one end of first dwang (14) and second dwang (15) runs through in proper order activity frame (3) and fixed frame (2) and extends to the inside of fixed frame (2), the inside rotation that the bearing and fixed frame (2) were passed through to the one end that first dwang (14) and second dwang (15) extended to fixed frame (2) inside is connected.

3. The chain deviation preventing mechanism for the hoisting machine as claimed in claim 2, wherein: the surface of first dwang (14) and second dwang (15) just is located the inside of activity frame (3) and all rotates and is connected with gear (16), two the equal transmission in surface of gear (16) is connected with chain (17).

4. The chain deviation preventing mechanism for the hoisting machine as claimed in claim 1, wherein: the bottom fixedly connected with fixed block (18) of sliding plate (10), and the bottom of fixed block (18) set up with through-hole (19) of chain (17) looks adaptation, the both sides of fixed block (18) all are through buffer spring fixedly connected with movable block (13), two the inside of fixed block (18) is all run through fixed block (18) and extend to fixed block (18) to one side that movable block (13) is relative.

5. The chain deviation preventing mechanism for the hoisting machine as claimed in claim 2, wherein: the surface of first dwang (14) and second dwang (15) just is located and all transmits between fixed frame (2) and the relative one side of movable frame (3) and is connected with conveyer (20), the other end of first dwang (14) runs through movable frame (3) and installing frame (4) in proper order and extends to the inside of installing frame (4), the inner wall fixedly connected with second motor (21) of installing frame (4), the one end fixed connection that shaft coupling and second motor (21) output shaft were passed through to the one end that first dwang (14) extended to installing frame (4) inside.

6. The chain deviation preventing mechanism for the hoisting machine as claimed in claim 1, wherein: the bottom of the bottom plate (1) is fixedly connected with an anti-slip base (22) through supporting legs.