CN112320644A

CN112320644A - Electric hoist for wood processing plant

Info

Publication number: CN112320644A
Application number: CN202011383361.0A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-02-05

Abstract

The invention relates to the technical field of hoisting equipment and discloses an electric hoist for a wood processing factory. Through the arrangement of the oil cavity, the oil absorption ring and the synchronous mechanism, when the servo motor forwardly rotates to release the rope, the oil absorption ring can absorb residual lubricating oil on the surface of the steel wire rope surrounding the middle of the oil absorption ring, so that lubricating oil attached to the surface of the released steel wire rope can be reduced or even eliminated, and impurities such as dust, chips and the like can be reduced or even avoided being attached to the steel wire rope in the releasing process; and when the rope was received in the servo motor reversal, oil absorption ring still can adsorb wire rope surface piece and lubricating oil when receiving the rope, and the lubricating oil after the absorption is filtered through the filter screen in the cushion chamber, returns to in the oil pocket, can reuse, can prevent wire rope surface adhesion piece moreover and influence wire rope's rolling, avoids wire rope wearing and tearing serious.

Description

Electric hoist for wood processing plant

Technical Field

The invention relates to the technical field of hoisting equipment, in particular to an electric hoist for a wood processing factory.

Background

At present, an electric hoist is hoisting equipment and is usually installed on a crown block and a gantry crane, and the electric hoist has the characteristics of small volume, light dead weight, simplicity in operation, convenience in use and the like, the electric hoist mainly controls the winding and unwinding of a steel wire rope through a motor, and achieves the effects of lifting, transporting and lowering heavy objects.

However, in some severe working environments, the process of lubricating the steel wire rope can be adversely affected, for example, in a wood machining factory or some processing factories with large dust, when the processing factories produce products in the market, the processing factories are very easily interfered by chips such as dust, sawdust and metal chips, once the lubricating oil on the surface of the steel wire rope is mixed with impurities such as sawdust and metal chips, the lubricating oil on the surface of the steel wire rope becomes dry and even agglomerates, so that the lubricating effect cannot be achieved, the steel wire rope is seriously worn even when being wound, and the service life of the electric hoist can be affected, therefore, the electric hoist which has a good lubricating effect and can adapt to the environments of dust and various chips needs to be designed.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the electric hoist for the wood processing factory, which has the advantages of automatic lubricating oil addition and good rolling effect and solves the problems in the background technology.

The invention provides the following technical scheme: an electric block for a wood processing plant comprises a shell, wherein a traveling mechanism is fixedly connected to the upper portion of the shell, a servo motor is fixedly connected to one side of the shell, a reel which is movably sleeved with the shell is fixedly connected to the output shaft end of the servo motor, a steel wire rope is wound on the side face of the reel, a lifting hook assembly is movably sleeved at the bottom of the steel wire rope, an oil cavity is fixedly connected to the other side of the shell, a threaded rod fixedly connected with the central shaft of the reel is movably sleeved at the middle of the oil cavity, a threaded plate movably sleeved with the oil cavity is in threaded connection with the side face of the threaded rod, a first branch pipe is fixedly connected to the bottom of the oil cavity, a second branch pipe is fixedly connected to the upper portion of one side of the oil cavity, a first check valve is arranged on one side, close to the oil cavity, of the first branch pipe and one side, the middle part of house steward is provided with the cushion chamber, the bottom fixedly connected with oil pipe of oil pocket one side, the other end of oil pipe, house steward all with handle case fixed connection, the spout that is located the reel below is seted up to the casing, the inside activity of spout has cup jointed lazytongs, the equal fixedly connected with in both sides of handling incasement chamber upper portion and the sleeve that oil pipe is connected, the pipeline has been cup jointed in telescopic other end activity, the other end fixedly connected with of pipeline and sleeve fixed connection's reset spring, the pipeline is towards wire rope's one side fixedly connected with cavernosum, the bottom fixedly connected with of handling incasement chamber and house steward fixed connection's oil absorption ring, a plurality of groups oil absorption hole has been seted up on the internal surface.

Preferably, the synchronizing mechanism comprises a sliding block movably sleeved with the sliding groove, the upper part of the sliding block is fixedly connected with a check ring movably sleeved with the reel, and one side of the check ring is fixedly connected with a plurality of groups of supporting springs fixedly connected with the shell.

Preferably, when the servo motor rotates forwards, the rope is released, the threaded plate moves towards one side of the servo motor under the rotation action of the threaded rod, the first one-way valve in the first branch pipe is in a closed state, the first one-way valve in the second branch pipe is in an open state, and the filter screen is arranged in the buffer cavity.

Preferably, a one-way pressure valve is arranged inside the pipeline.

Preferably, the bottom of the sliding block is fixedly connected with the upper part of the treatment box through two connecting rods, and one side of the check ring is in contact with the steel wire rope.

The invention has the following beneficial effects:

1. through the arrangement of the oil cavity, the oil absorption ring and the synchronous mechanism, when the servo motor forwardly rotates to release the rope, the oil absorption ring can absorb residual lubricating oil on the surface of the steel wire rope surrounding the middle of the oil absorption ring, so that lubricating oil attached to the surface of the released steel wire rope can be reduced or even eliminated, and impurities such as dust, chips and the like can be reduced or even avoided being attached to the steel wire rope in the releasing process; and when the rope was received in the servo motor reversal, oil absorption ring still can adsorb wire rope surface piece and lubricating oil when receiving the rope, lubricating oil after the absorption is filtered through filter screen in the cushion chamber, return to in the oil pocket, can reuse, and can prevent that wire rope surface from adhering to piece influence wire rope's rolling, it is serious to avoid wire rope wearing and tearing, and simultaneously, the one end that the pipeline was provided with the cavernosum carries out the centre gripping to wire rope, make cavernosum and wire rope contact, when pressure continues to increase, will make the one-way pressure valve open, scribble lubricating oil to wire rope through the cavernosum, wire rope surface when making to receive the rope has scribbled lubricating oil, reduce the friction between the wire rope, improve wire rope's life.

2. Through the setting of lazytongs, when wire rope unreeled and received the rope, the number of turns of sheave surface winding wire rope can corresponding reduction and increase, lead to wire rope hanging point to remove about thereupon, and the setting of slider makes, when the number of turns of wire rope reduces or increases, the retaining ring can contact and support tightly with unreeling rope one side wire rope all the time under supporting spring's effect, make and handle the case and can be along with the removal of wire rope hanging point and synchronous movement, prevent that wire rope is crooked, cause the eccentric wear, influence wire rope's life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure A of the present invention;

FIG. 3 is a schematic view of the interior of the structural processing chamber of the present invention;

fig. 4 is a schematic view of the retaining ring of the present invention.

In the figure: 1. a housing; 2. a traveling mechanism; 3. a servo motor; 4. a reel; 5. a wire rope; 6. a hook assembly; 7. an oil chamber; 8. a threaded rod; 9. a thread plate; 10. a first branch pipe; 11. a second branch pipe; 12. a first check valve; 13. a header pipe; 14. a buffer chamber; 15. an oil pipe; 16. a treatment tank; 17. a chute; 18. a synchronization mechanism; 181. a slider; 182. a retainer ring; 183. a support spring; 19. a sleeve; 20. a pipeline; 21. a return spring; 22. a sponge body; 23. an oil absorption ring; 24. an oil suction hole.

Detailed Description

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

Referring to fig. 1-4, an electric hoist for a wood processing plant comprises a housing 1, a traveling mechanism 2 fixedly connected to the upper portion of the housing 1, a servo motor 3 fixedly connected to one side of the housing 1, a sheave 4 movably sleeved with the housing 1 and fixedly connected to an output shaft of the servo motor 3, a wire rope 5 wound around the side surface of the sheave 4, a hook assembly 6 movably sleeved with the bottom of the wire rope 5, an oil chamber 7 fixedly connected to the other side of the housing 1, a threaded rod 8 fixedly connected to a central shaft of the sheave 4 and movably sleeved with the middle portion of the oil chamber 7, a threaded plate 9 movably sleeved with the oil chamber 7 and threadedly connected to the side surface of the threaded rod 8, a first branch pipe 10 fixedly connected to the bottom of the oil chamber 7, a second branch pipe 11 fixedly connected to the upper portion of one side of the oil chamber 7, and a first check valve 12 disposed on the first branch pipe 10 and, the other ends of the first branch pipe 10 and the second branch pipe 11 are fixedly connected with a main pipe 13, the middle part of the main pipe 13 is provided with a buffer cavity 14, the bottom of one side of an oil cavity 7 is fixedly connected with an oil pipe 15, the other ends of the oil pipe 15 and the main pipe 13 are fixedly connected with a processing box 16, a chute 17 positioned below a reel 4 is arranged on the shell 1, a synchronizing mechanism 18 is movably sleeved in the chute 17, the synchronizing mechanism 18 comprises a sliding block 181 movably sleeved with the chute 17, the upper part of the sliding block 181 is fixedly connected with a retainer ring 182 movably sleeved with the reel 4, one side of the retainer ring 182 is fixedly connected with a plurality of groups of supporting springs 183 fixedly connected with the shell 1, two sides of the upper part of an inner cavity of the processing box 16 are fixedly connected with a sleeve 19 connected with the oil pipe 15, the other end of the sleeve 19 is movably sleeved with a pipeline, one side of the pipeline 20 facing the steel wire rope 5 is fixedly connected with a sponge body 22, the bottom of the inner cavity of the treatment box 16 is fixedly connected with an oil suction ring 23 fixedly connected with the main pipe 13, and the inner surface of the oil suction ring 23 is provided with a plurality of groups of oil suction holes 24.

When the servo motor 3 rotates forwards, the rope is released, the thread plate 9 moves towards one side of the servo motor 3 under the rotation action of the threaded rod 8, the first one-way valve 12 in the first branch pipe 10 is in a closed state, the first one-way valve 12 in the second branch pipe 11 is in an open state, the filter screen is arranged in the buffer cavity 14, when the servo motor 3 rotates forwards and releases the rope, the thread plate 9 moves inwards, negative pressure is generated on one side of the oil cavity 7 principle shell 1, the negative pressure generates suction force through the main pipe 13, residual lubricating oil on the surface of the steel wire rope 5 surrounding the middle of the oil suction ring 23 is absorbed, the lubricating oil on the surface of the steel wire rope 5 which is released downwards can be reduced and even eliminated, and impurities such as dust, debris and the like can be reduced and even avoided when the; in the same way, when the rope is received in servo motor 3 reversal, the threading board 9 moved to the outside this moment, the inside first check valve 12 of second branch pipe 11 is in the closed condition, the inside first check valve 12 of first branch pipe 10 is in the open mode, oil pocket 7 is close to 3 one side production negative pressure of servo motor this moment, adsorb 5 surperficial pieces of wire rope and lubricating oil when receiving the rope, lubricating oil after the absorption filters through the filter screen in buffer cavity 14 after, return to in the oil pocket 7, can reuse, can prevent wire rope 5 surperficial attached piece influence wire rope 5's rolling simultaneously, avoid wire rope 5 wearing and tearing serious.

The one-way pressure valve is arranged in the pipeline 20, when the electric hoist is used for releasing the rope, negative pressure exists in the sleeve 19 at the moment, the one-way pressure valve is closed, the pipeline 20 is far away from the steel wire rope under the dual actions of the return spring 21 and the negative pressure in the pipeline 20, so that lubricating oil on the sponge body 22 can not be smeared on the steel wire rope 5 when the rope is released, and the lubricating oil can be reduced to prevent the surface of the steel wire rope 5 from being stained with dust, debris and the like; when the electric hoist is used for winding up the rope, the thread plate 9 pushes lubricating oil to move into the oil pipe 15, the oil pressure pushes the pipeline 20 to overcome the pulling force of the reset spring 21 to move in the sleeve 19, the steel wire rope 5 is clamped, the sponge body 22 is in contact with the steel wire rope 5, when the pressure is continuously increased, the one-way pressure valve is opened, the lubricating oil is smeared on the steel wire rope 5, the lubricating oil is smeared on the surface of the steel wire rope 5 when the rope is wound up, the friction between the steel wire ropes 5 is reduced, and the service life of the steel wire rope 5 is.

The bottom of the sliding block 181 is fixedly connected with the upper part of the processing box 16 through two connecting rods, one side of the check ring 182 is in contact with the steel wire rope 5, when the steel wire rope 5 is used for releasing and receiving the rope, the number of turns of the steel wire rope 5 wound on the surface of the reel 4 is correspondingly reduced and increased, so that the suspension point of the steel wire rope 5 moves left and right, and the sliding block 181 is arranged to ensure that the check ring 182 can be always in contact with the steel wire rope 5 on the rope releasing side and tightly supported under the action of the supporting spring 183 when the number of turns of the steel wire rope 5 is reduced or increased, so that the processing box 16 can move synchronously along with the movement of the suspension point of the steel wire rope 5, the steel wire rope 5 is prevented from.

According to the working principle, when the servo motor 3 releases the rope in the positive rotation mode, the thread plate 9 moves inwards, negative pressure is generated on one side of the oil cavity 7 principle shell 1 at the moment, the negative pressure generates suction force through the main pipe 13, residual lubricating oil on the surface of the steel wire rope 5 surrounding the middle of the oil suction ring 23 is absorbed, the lubricating oil on the surface of the released steel wire rope 5 can be reduced or even eliminated, and impurities such as dust and debris can be reduced or even avoided being attached to the steel wire rope 5 in the releasing process; similarly, when the servo motor 3 reversely rotates to take up the rope, the thread plate 9 moves outwards at the moment, the first check valve 12 inside the second branch pipe 11 is in a closed state, the first check valve 12 inside the first branch pipe 10 is in an open state, a negative pressure is generated at one side of the oil chamber 7 close to the servo motor 3 at the moment, the fragments and the lubricating oil on the surface of the steel wire rope 5 during the rope taking up are adsorbed, the adsorbed lubricating oil is filtered by the filter screen in the buffer chamber 14 and then returns to the oil chamber 7 to be recycled, meanwhile, the fragments adhered to the surface of the steel wire rope 5 can be prevented from influencing the winding of the steel wire rope 5, the steel wire rope 5 is prevented from being seriously abraded, meanwhile, the thread plate 9 pushes the lubricating oil to move into the oil pipe 15, the oil pressure pushes the pipeline 20 to move on the sleeve 19 to overcome the pulling force of the reset spring 21, the steel wire, the one-way pressure valve is opened, and lubricating oil is smeared on the steel wire rope 5 through the sponge body 22, so that the lubricating oil is smeared on the surface of the steel wire rope 5 during rope winding, the friction between the steel wire ropes 5 is reduced, and the service life of the steel wire rope 5 is prolonged.

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 an electric block is used in wood working factory, includes casing (1), the upper portion fixedly connected with running gear (2) of casing (1), one side fixedly connected with servo motor (3) of casing (1), the output shaft fixedly connected with of servo motor (3) is with hank wheel (4) that casing (1) activity cup jointed, the side winding of hank wheel (4) has wire rope (5), lifting hook assembly (6), its characterized in that have been cup jointed in the bottom activity of wire rope (5): the opposite side fixedly connected with oil pocket (7) of casing (1), the middle part activity of oil pocket (7) is cup jointed threaded rod (8) with reel (4) center pin fixed connection, the side threaded connection of threaded rod (8) has screw plate (9) that cup joints with oil pocket (7) activity, the first branch pipe of bottom fixedly connected with (10) of oil pocket (7), the upper portion fixedly connected with second branch pipe (11) of oil pocket (7) one side, one side that first branch pipe (10) and second branch pipe (11) are close to oil pocket (7) all is provided with first check valve (12), the other end of first branch pipe (10), second branch pipe (11) all with house steward (13) fixed connection, the middle part of house steward (13) is provided with cushion chamber (14), the bottom fixedly connected with oil pipe (15) of oil pocket (7) one side, oil pipe (15), The other end of the main pipe (13) is fixedly connected with a processing box (16), the shell (1) is provided with a sliding chute (17) positioned below the reel (4), a synchronous mechanism (18) is movably sleeved in the chute (17), sleeves (19) connected with the oil pipe (15) are fixedly connected with both sides of the upper part of the inner cavity of the treatment box (16), the other end of the sleeve (19) is movably sleeved with a pipeline (20), the other end of the pipeline (20) is fixedly connected with a return spring (21) fixedly connected with the sleeve (19), one surface of the pipeline (20) facing the steel wire rope (5) is fixedly connected with a sponge body (22), the bottom of the inner cavity of the treatment box (16) is fixedly connected with an oil absorption ring (23) fixedly connected with the main pipe (13), the inner surface of the oil absorption ring (23) is provided with a plurality of groups of oil absorption holes (24).

2. The electric block for a wood processing factory according to claim 1, wherein: the synchronous mechanism (18) comprises a sliding block (181) movably sleeved with the sliding groove (17), a check ring (182) movably sleeved with the reel (4) is fixedly connected to the upper portion of the sliding block (181), and a plurality of groups of supporting springs (183) fixedly connected with the shell (1) are fixedly connected to one side of the check ring (182).

3. The electric block for a wood processing factory according to claim 1, wherein: the rope is released when the servo motor (3) rotates forwards, the threaded plate (9) moves towards one side of the servo motor (3) under the rotating action of the threaded rod (8), the first one-way valve (12) in the first branch pipe (10) is in a closed state, the first one-way valve (12) in the second branch pipe (11) is in an open state, and the filter screen is arranged in the buffer cavity (14).

4. The electric block for a wood processing factory according to claim 1, wherein: and a one-way pressure valve is arranged in the pipeline (20).

5. The electric block for a wood processing factory according to claim 2, wherein: the bottom of the sliding block (181) is fixedly connected with the upper part of the treatment box (16) through two connecting rods, and one side of the retainer ring (182) is in contact with the steel wire rope (5).