CN111498721A

CN111498721A - Industrial winch assembly capable of stalling and self-locking by utilizing centrifugal action

Info

Publication number: CN111498721A
Application number: CN202010301256.1A
Authority: CN
Inventors: 杨康
Original assignee: Hangzhou Cangchu Technology Co ltd
Current assignee: Hangzhou Cangchu Technology Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-08-07
Anticipated expiration: 2040-04-16
Also published as: CN111498721B

Abstract

The utility model provides an utilize industrial winch subassembly that centrifugal action can stall auto-lock, relates to industrial automation equipment technical field, the on-line screen storage device comprises a base, the top fixedly connected with driving motor of base, the top swing joint of base has the mounting panel, the outside fixedly connected with reel of mounting panel, the outside fixedly connected with gag lever post of reel, the inside fixedly connected with positioning disk of mounting panel. This utilize industrial winch subassembly that centrifugal action can stall auto-lock, through the advantage of stall auto-lock, can in time with its auto-lock when the fast whereabouts takes place for the part of lifting by crane of winch or other hoisting equipment, prevent that it from directly falling down, effectual site constructor's safety of having guaranteed, manufacturer's loss of property has been avoided to a certain extent, accord with the requirement of country to production safety more, practicality and security are better, can provide more reliably for the user, it is work and construction environment to stabilize, safety.

Description

Industrial winch assembly capable of stalling and self-locking by utilizing centrifugal action

Technical Field

The invention relates to the technical field of industrial automation equipment, in particular to an industrial winch assembly capable of stalling and self-locking by utilizing centrifugal action

Background

With the gradual development of the industrial manufacturing field towards automation and intellectualization, more and more production processes start to have the intervention of automation equipment. In assembling and fitting of the equipment, the equipment is often subjected to auxiliary work by means of hoisting equipment such as a winch due to its heavy weight.

The winch rotates to hoist the lifted object in the using process by the aid of the motor, and the lifted object generally has certain mass, is influenced by gravity and self movement in the hoisting movement process, and the actual weight of the lifted object is usually larger than the self weight, so that the possibility that the lifting equipment or the winch stalls and falls down is possibly caused. For field operation personnel, not only have very big potential safety hazard, influence constructor's life safety, equipment falls from eminence hourly speed moreover, still can cause the direct damage of equipment, causes direct economic loss to the producer, and what correspond still can influence the progress of work with it, in addition, is not conform to the requirement of country to the safety in production.

In order to solve the problems, the inventor provides an industrial winch assembly capable of stalling and self-locking by utilizing centrifugal action, which has the advantage of stalling and self-locking, can timely self-lock a hoisting part of a winch or other hoisting equipment when the hoisting part falls down at the hourly speed, prevents the hoisting part from directly falling down, effectively ensures the safety of field construction personnel, and avoids property loss of manufacturers to a certain extent.

Disclosure of Invention

In order to achieve the aim of stall self-locking, the invention provides the following technical scheme: an industrial winch assembly capable of stalling and self-locking by utilizing centrifugal action comprises a base, a driving motor, a mounting plate, a reel, a limiting rod, a positioning disc, a self-locking mechanism, a limiting disc, a centrifugal mechanism, a winch, a self-locking disc, a self-locking block, a shell, a sealing cavity, a clamping block, an electrorheological body, a frame body, a reset spring, a movable contact and a fixed contact.

The positions and the connection relations of the structures are as follows:

the top of the base is fixedly connected with a driving motor, an installation plate is movably connected above the base, a reel is fixedly connected to the outer side of the installation plate, a limiting rod is fixedly connected to the outer side of the reel, and a positioning disc is fixedly connected to the inner part of the installation plate;

the inner part of the positioning disc is fixedly connected with a self-locking mechanism, the inner part of the positioning disc is fixedly connected with a limiting disc, the surface of the limiting disc is fixedly connected with a centrifugal mechanism, the front surface of the limiting disc is fixedly connected with a winch, the front surface of the limiting disc is fixedly connected with a self-locking disc, and the outer side of the self-locking disc is fixedly connected with a self-locking block;

the self-locking mechanism comprises a shell, a sealing cavity is arranged in the shell, a clamping block is movably connected in the sealing cavity, and an electrorheological body is arranged in the sealing cavity;

the centrifugal mechanism comprises a frame body, wherein a return spring is movably connected inside the frame body, a movable contact is fixedly connected to the outer side of the return spring, and a fixed contact is fixedly connected inside the frame body.

Preferably, the circle centers of the mounting plate and the reel are on the same axis, the limiting rods are provided with four limiting rods with the same specification and size, and the four limiting rods are uniformly distributed by taking the center of the mounting plate as a reference.

Preferably, the limiting rods are provided with two groups, each group comprises four rod-shaped structures with the same specification, and the two groups of limiting rods are the same in specification and are movably connected through bolts.

Preferably, the centers of the self-locking mechanisms are all on the same circle.

Compared with the prior art and products, the invention has the beneficial effects that:

1. this utilize industrial winch subassembly that centrifugal action can stall auto-lock, through the advantage of stall auto-lock, can in time with its auto-lock when the fast whereabouts takes place for the part of lifting by crane of winch or other hoisting equipment, prevent that it from directly falling down, effectual site constructor's safety of having guaranteed, manufacturer's loss of property has been avoided to a certain extent, accord with the requirement of country to production safety more, practicality and security are better, can provide more reliably for the user, it is work and construction environment to stabilize, safety.

2. This utilize industrial winch subassembly that centrifugal action can stall auto-lock through setting up trigger mechanism to the electricity and connecting, can improve the device's reaction rate, avoids causing the result of use to descend because of reaction delay, the effectual reliability that improves the device performance.

Drawings

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

FIG. 2 is a top view of the connection structure of the present invention;

FIG. 3 is a schematic view of a puck and its internal structure according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3A according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 3 at B in accordance with the present invention;

FIG. 6 is a schematic view of the connection of the positioning plate, the self-locking mechanism and the self-locking block of the present invention;

FIG. 7 is a schematic diagram of the movement traces of the structures of FIG. 6 according to the present invention;

FIG. 8 is a schematic view of a centrifugal mechanism according to the present invention;

fig. 9 is a schematic diagram of the motion traces of the structures in fig. 8 according to the present invention.

In the figure: 1. a base; 2. a drive motor; 3. mounting a plate; 4. coiling; 5. a limiting rod; 6. positioning a plate; 7. a self-locking mechanism; 8. a limiting disc; 9. a centrifugal mechanism; 10. a winch; 11. a self-locking disc; 12. a self-locking block; 71. a housing; 72. sealing the cavity; 73. a clamping block; 74. an electrorheological fluid; 91. a frame body; 92. a return spring; 93. a movable contact; 94. a fixed contact;

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.

Please refer to fig. 1-9:

the industrial winch assembly capable of stalling and self-locking by utilizing centrifugal action comprises a base 1, a driving motor 2, a mounting plate 3, a reel 4, a limiting rod 5, a positioning disc 6, a self-locking mechanism 7, a limiting disc 8, a centrifugal mechanism 9, a winch 10, a self-locking disc 11, a self-locking block 12, a shell 71, a sealing cavity 72, a clamping block 73, an electrorheological body 74, a frame body 91, a reset spring 92, a movable contact 93 and a fixed contact 94.

The positions and the connection relations of the structures are as follows:

the top of the base 1 is fixedly connected with a driving motor 2, the upper part of the base 1 is movably connected with a mounting plate 3, the outer side of the mounting plate 3 is fixedly connected with a reel 4, the outer side of the reel 4 is fixedly connected with a limiting rod 5, and the inner part of the mounting plate 3 is fixedly connected with a positioning plate 6;

the inner part of the positioning disc 6 is fixedly connected with a self-locking mechanism 7, the inner part of the positioning disc 6 is fixedly connected with a limiting disc 8, the surface of the limiting disc 8 is fixedly connected with a centrifugal mechanism 9, the front surface of the limiting disc 8 is fixedly connected with a winch 10, the front surface of the limiting disc 8 is fixedly connected with a self-locking disc 11, and the outer side of the self-locking disc 11 is fixedly connected with a self-locking block 12;

the self-locking mechanism 7 comprises a shell 71, a sealing cavity 72 is arranged in the shell 71, a clamping block 73 is movably connected in the sealing cavity 72, and an electrorheological fluid 74 is arranged in the sealing cavity 72;

the centrifugal mechanism 9 includes a frame 91, a return spring 92 is movably connected inside the frame 91, a movable contact 93 is fixedly connected to the outer side of the return spring 92, and a fixed contact 94 is fixedly connected inside the frame 91.

Wherein:

a. two centrifugal mechanisms 9 are arranged and are uniformly and symmetrically distributed by taking the circle center of the limiting disc 8 as a reference; the limiting disc 8, the winch 10 and the self-locking disc 11 are fixedly connected. The centre of a circle of mounting panel 3 and reel 4 is on same axis, and gag lever post 5 is provided with four altogether and specification and dimension is the same, and four gag lever posts 5 use the center of mounting panel 3 to be evenly distributed as the reference.

b. The axes of the mounting plate 3, the positioning plate 6, the limiting plate 8, the winch 10 and the self-locking plate 11 are the same straight line. The limiting rods 5 are provided with two groups, each group comprises four rod-shaped structures with the same specification, and the two groups of limiting rods 5 are the same in specification and are movably connected through bolts.

c. The self-locking mechanisms 7 are uniformly distributed in the positioning plate 6, and the distance between every two adjacent self-locking mechanisms 7 is matched with the size of the self-locking block 12; the outer side of the clamping block 73 is of a convex obtuse angle structure, the self-locking blocks 12 are not less than six and are uniformly distributed by taking the middle point of the self-locking disc 11 as a reference, and the self-locking blocks 12 are curved. The circle centers of the self-locking mechanisms 7 are all on the same circle.

Wherein:

d. the main materials of the electrorheological fluid 74 are gypsum, lime, carbon powder and olive oil, and the electrorheological fluid 74 is solid in the electrified state and liquid in the non-electrified state

e. The frame body 91 is a curved surface, a limit groove is arranged in the frame body, and the movable contact 93 is a curved surface block structure and has a size matched with that of the limit groove; one end of the return spring 92 is fixed at the left end of the frame 91, and the other end is fixedly connected with the movable contact 93;

f. the movable contact 93 and the fixed contact 94 are provided with a current passing therethrough and are electrically connected to the electrorheological body 74, respectively, and the fixed contact 94 is provided as an electromagnet, and the movable contact 93 is provided as a conductive material that can be attracted by a magnetic pole.

When in use, in the initial state, the rotation speed of the driving motor 2 is in a normal state, the rotation speed is uniform, no centrifugal effect is generated, and the movable contact 93 is maintained at a certain position under the action of the return spring 92 and is not contacted with the fixed contact 94. That is, no current path is generated between the movable contact 93 and the fixed contact 94, the current variant 74 is in a liquid state, and does not affect the normal rotation of the self-locking disk 11 and the capstan 10, and the current variant 74 moves to the inside of the sealing cavity 72 under the pressure of the self-locking block 12, and does not generate a restriction effect on the self-locking block 12.

When the driving motor 2 or any one of the limiting disc 8 and the winch 10 has a stall phenomenon, that is, the rotating speed is suddenly increased, a centrifugal action is generated on a structure connected with the driving motor, that is, the movable contact 93 starts to move in the frame 91 under the action of the centrifugal force and finally contacts with the fixed contact 94. Since the movable contact 93 and the fixed contact 94 are both provided with the current passing and are respectively electrically connected with the current transformer 74, the fixed contact 94 is provided with the electromagnet, and the movable contact 93 is provided with the conductive material which can be attracted by the magnetic pole, a communicated current path is formed between the movable contact 93 and the fixed contact 94 at this time, namely, the current passes through the current transformer 74, the current transformer 74 changes from a liquid state to a solid state, and the self-locking block 12 is limited so that the self-locking block cannot rotate continuously.

The above structure and process are shown in FIGS. 6-9.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An industrial winch assembly capable of stalling and self-locking by utilizing centrifugal action comprises a base (1) and is characterized in that: the top of the base (1) is fixedly connected with a driving motor (2), an installation plate (3) is movably connected above the base (1), a reel (4) is fixedly connected to the outer side of the installation plate (3), a limiting rod (5) is fixedly connected to the outer side of the reel (4), and a positioning disc (6) is fixedly connected to the inner part of the installation plate (3);

a self-locking mechanism (7) is fixedly connected to the inside of the positioning disc (6), a limiting disc (8) is fixedly connected to the inside of the positioning disc (6), a centrifugal mechanism (9) is connected to the surface of the limiting disc (8) in a specified manner, a winch (10) is fixedly connected to the front of the limiting disc (8), a self-locking disc (11) is fixedly connected to the front of the limiting disc (8), and a self-locking block (12) is fixedly connected to the outer side of the self-locking disc (11);

the self-locking mechanism (7) comprises a shell (71), a sealing cavity (72) is arranged inside the shell (71), a clamping block (73) is movably connected inside the sealing cavity (72), and an electrorheological body (74) is arranged inside the sealing cavity (72);

the centrifugal mechanism (9) comprises a frame body (91), a return spring (92) is movably connected inside the frame body (91), a movable contact (93) is fixedly connected to the outer side of the return spring (92), and a fixed contact (94) is fixedly connected inside the frame body (91).

2. The industrial winch assembly capable of stall self-locking by centrifugal action according to claim 1, wherein: the axes of the mounting plate (3), the positioning disc (6), the limiting disc (8), the winch (10) and the self-locking disc (11) are the same straight line.

3. The industrial winch assembly capable of stall self-locking by centrifugal action according to claim 1, wherein: the self-locking mechanisms (7) are uniformly distributed in the positioning disc (6), and the distance between every two adjacent self-locking mechanisms (7) is matched with the size of the self-locking block (12); the outside of fixture block (73) is bellied obtuse angle structure, from locking piece (12) be provided with be no less than six and use the mid point of auto-lock dish (11) as the reference and be evenly distributed, the shape of self-locking piece (12) is the curved surface.

4. The industrial winch assembly capable of stall self-locking by centrifugal action according to claim 1, wherein: the centrifugal mechanisms (9) are arranged in two numbers and are uniformly and symmetrically distributed by taking the circle center of the limiting disc (8) as a reference; the limiting disc (8), the winch (10) and the self-locking disc (11) are fixedly connected.

5. The industrial winch assembly capable of stall self-locking by centrifugal action according to claim 1, wherein: the main materials of the electrorheological fluid (74) are gypsum, lime, carbon powder and olive oil, and the electrorheological fluid (74) is in a solid state in a power-on state and in a liquid state in a non-power-on state.

6. The industrial winch assembly capable of stall self-locking by centrifugal action according to claim 1, wherein: the shape of the frame body (91) is a curved surface, a limit groove is arranged in the frame body, and the shape of the movable contact (93) is a curved surface block structure, and the size of the movable contact is matched with that of the limit groove; one end of the return spring (92) is fixed at the left end of the frame body (91), and the other end of the return spring is fixedly connected with the movable contact (93).

7. The industrial winch assembly capable of stall self-locking by centrifugal action according to claim 1, wherein: the movable contact (93) and the fixed contact (94) are both provided with a current passing through and are respectively electrically connected with the current variant (74), the fixed contact (94) is arranged to be an electromagnet, and the movable contact (93) is arranged to be a conductive material capable of being attracted by a magnetic pole.