CN108662427B

CN108662427B - Emergency stop device of mechanical equipment

Info

Publication number: CN108662427B
Application number: CN201810805645.0A
Authority: CN
Inventors: 余忻怿; 李金凤
Original assignee: Nantong Animate Machinery Co ltd
Current assignee: NANTONG ANIMATE MACHINERY Co.,Ltd.
Priority date: 2018-07-20
Filing date: 2018-07-20
Publication date: 2021-07-09
Anticipated expiration: 2038-07-20
Also published as: CN108662427A

Abstract

The invention discloses an emergency stop device of mechanical equipment, and relates to the technical field of emergency brake equipment. Comprises a base; the upper surface of the base is provided with a driving wheel through a first support; an inner guide groove is formed in one surface of the first support; two sides of the driving wheel are provided with a guide disc respectively; one end surface of each of the two guide discs is provided with a brake column; guide posts are arranged on the other end surfaces of the two guide discs; one end of the guide post is in sliding fit with the inner guide groove; a first spring is sleeved on the guide post; the edges of one end faces close to the two guide discs are provided with clamping grooves; a clamping piece is matched in the clamping groove in a sliding way; the bottom of the clamping part is connected with a power mechanism; fixed blocks are fixed on both end faces of the driving wheel; the middle parts of the two end surfaces of the driving wheel are provided with box bodies; the side surface of the periphery of the box body is provided with a limiting hole; a driven rod is arranged in the box body; the end part of the driven rod is fixedly connected with a second spring. The emergency stop of the driving wheel is realized by utilizing the braking action of the braking column on the driven rod, and the safe operation of mechanical equipment is ensured.

Description

Emergency stop device of mechanical equipment

Technical Field

The invention belongs to the technical field of emergency braking equipment, and particularly relates to an emergency stop device of mechanical equipment.

Background

The emergency stop device is a measure for protecting people by starting the emergency stop device when an emergency occurs, the emergency stop device can quickly stop the whole device or release some transmission parts, all the transmission parts are required to be protected directly or indirectly by machines which can hurt human bodies under the abnormal condition, and therefore the emergency stop device is required to be arranged when some machines with the transmission parts are designed. The emergency stop equipment in the prior art has the advantages of complex structural design, complex operation, poor braking effect and high maintenance cost, and can cause unnecessary damage to transmission parts, thereby greatly reducing the service life of the transmission parts.

Disclosure of Invention

The invention aims to provide an emergency stop device of mechanical equipment, which solves the problems in the prior art by utilizing the elastic braking action of a braking column on a driven rod to realize the emergency stop of a driving wheel.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an emergency stop device of mechanical equipment, which comprises a base; a group of first support columns and a group of second support columns are arranged on the upper surface of the base side by side; a driving wheel is arranged between the two first supporting columns; a driven wheel is arranged between the two second supporting columns; the driving wheel is in transmission connection with the driven wheel through a belt; an inner guide groove is formed in one surface, close to the two first supporting columns, of the two first supporting columns in the annular direction; two sides of the driving wheel are provided with a guide disc respectively; one end surface of each guide disc close to each other is provided with a brake column along the annular direction; guide posts are arranged on one end face, away from each other, of each guide disc along the annular direction; one end of the guide post is in sliding fit with the inner guide groove; a first spring is sleeved on the guide post; the first spring is arranged on the inner guide groove; a clamping groove is formed in the edge of one end face close to each of the two guide discs; a clamping piece is matched in the clamping groove in a sliding manner; the bottom of the clamping part is connected with a power mechanism; two end surfaces of the driving wheel are fixedly connected with fixing blocks along the annular direction; a box body is arranged between the fixed blocks and in the middle of the end face of the driving wheel; the peripheral side surface of the box body is provided with a limiting hole along the annular direction; a driven rod is arranged in the box body along the annular direction; one end of the driven rod is rotatably connected to the inner surface of the box body; the other end of the driven rod penetrates through the limiting hole and extends to the outside of the box body; the other end of the driven rod is fixedly connected with a second spring; one end of the second spring is fixedly connected with the end face of the driving wheel.

Further, the clamping piece comprises a guide plate and a clamping plate; the guide plate is in sliding fit with the clamping groove; one surface of the clamping plate is attached to one end face of the guide disc.

Further, the guide plate is of an L-shaped structure; a cross-shaped structure is formed between the guide plate and the clamping plate.

Furthermore, the power mechanism comprises a motor, a first rotating shaft, a second rotating shaft and a sliding seat; the motor is fixed on the upper surface of the base; the output shaft of the motor is provided with a driving gear; a driven gear is meshed on the driving gear; two sides of the driven gear are provided with a first connecting rod; the driven gear and one end part of the first connecting rod are arranged on the first rotating shaft; the other end of the first connecting rod is rotatably connected with a sliding block; a second connecting rod is inserted in the sliding block in a matching way; one end of the second connecting rod is rotatably connected with a third connecting rod; one end of the third connecting rod is rotatably connected to the second rotating shaft; the other end of the second connecting rod is rotatably connected with a fourth connecting rod; the fourth connecting rod penetrates through the sliding seat and is fixedly connected with the clamping piece; the end part of the first rotating shaft and the end part of the second rotating shaft are rotatably connected to the side surface of the first support; the two sliding seats are symmetrically arranged on the side surface of the first support.

Further, a buffer pad is arranged on the outer surface of the fixed block; the buffer pad is made of rubber.

Further, the box body is of a circular ring structure; the limiting hole is of a long strip-shaped structure.

The invention has the following beneficial effects:

the invention realizes the movement of the guide disc by utilizing the power mechanism to drive the clamping part to move, the end part of the braking column is close to the end surface of the driving wheel, and the driven rod is propped against the fixed block under the limitation of the braking column, thereby realizing the emergency braking of the driving wheel, effectively improving the braking effect, simultaneously avoiding the unnecessary mechanical damage to the driving wheel and ensuring the service life of the driving wheel and the driven wheel; the device structural design is simple reasonable, and installation and dismantlement are convenient, and cost of maintenance is lower.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of an emergency stop device for a machine according to the present invention;

FIG. 2 is a side view of the structure of FIG. 1;

FIG. 3 is a sectional view of the structure taken along the line A-A in FIG. 2;

FIG. 4 is a schematic structural view of a case of an emergency stop device of a mechanical apparatus according to the present invention;

FIG. 5 is a schematic view of the structure of a pilot disc of an emergency stop device of a mechanical apparatus according to the present invention;

fig. 6 is a schematic structural view of a detent member of an emergency stop device of a mechanical apparatus according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-a base, 2-a first support column, 3-a second support column, 4-a driving wheel, 5-a guide disc, 6-a clamping element, 7-a power mechanism, 8-a fixing block, 9-a box body, 201-an inner guide groove, 401-a driven wheel, 501-a brake column, 502-a guide column, 503-a first spring, 504-a clamping groove, 601-a guide plate, 602-a clamping plate, 701-a motor, 702-a first rotating shaft, 703-a second rotating shaft, 704-a sliding seat, 705-a driving gear, 706-a driven gear, 707-a first connecting rod, 708-a sliding block, 709-a second connecting rod, 7010-a third connecting rod, 7011-a fourth connecting rod, 901-a limiting hole, 902-a driven rod and 903-a second 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.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1-6, the present invention is an emergency stop device for mechanical equipment, including a base 1; a group of first struts 2 and a group of second struts 3 are arranged on the upper surface of the base 1 side by side; a driving wheel 4 is arranged between the two first supporting columns 2; a driven wheel 401 is arranged between the two second supporting columns 3; the driving wheel 4 is in transmission connection with the driven wheel 401 through a belt; an inner guide groove 201 is formed on one surface of the two adjacent first struts 2 along the annular direction; two sides of the driving wheel 4 are provided with a guide disc 5 with a circular structure; one end faces close to the two guide discs 5 are provided with brake columns 501 along the annular direction; guide posts 502 are arranged on one end face of each guide disc 5 which is separated from each other along the annular direction; one end of the guide post 502 is in sliding fit with the inner guide groove 201; a first spring 503 is sleeved on the guide post 502; the first spring 503 is mounted on the inner guide groove 201.

As shown in fig. 5, a clamping groove 504 is formed at the edge of one end face of each of the two guiding discs 5; a clamping piece 6 is in sliding fit with the clamping groove 504; the bottom of the clamping part 6 is connected with a power mechanism 7; the power mechanism 7 is arranged on the upper surface of the base 1.

As shown in fig. 4, two end faces of the driving wheel 4 are fixedly connected with fixing blocks 8 along the annular direction; the outer surface of the fixed block 8 is provided with a cushion pad made of rubber, so that the impact of the driven rod 902 on the fixed block 8 is reduced; a box body 9 with a circular structure is arranged between the four fixed blocks 8 and in the middle of the end surface of the driving wheel 4; a limiting hole 901 with a long strip-shaped structure is formed in the circumferential side surface of the box body 9 along the annular direction; a driven rod 902 is arranged in the box body 9 along the annular direction; one end of the driven rod 902 is rotatably connected with the inner surface of the box body 9; the other end of the driven rod 902 passes through the limiting hole 901 and extends to the outside of the box body 9; the outer surface of the driven rod 902 is matched with the surface of the limiting hole 901; a second spring 903 is fixedly connected with the other end of the driven rod 902; one end of the second spring 903 is fixedly connected to the end face of the driving wheel 4, and the second spring 903 elastically acts on the driven rod 902, so that the driven rod 902 can be reset.

As shown in fig. 6, the locking member 6 includes a guide plate 601 and a locking plate 602; the guide plate 601 is slidably fitted in the card slot 504; one surface of the clamping plate 602 is attached to one end surface of the guide disc 5; the guide plate 601 is of an L-shaped structure; a cross-shaped structure is formed between the guide plate 601 and the blocking plate 602.

As shown in fig. 3, the power mechanism 7 includes a motor 701, a first rotating shaft 702, a second rotating shaft 703 and a sliding base 704; the motor 701 is fixed on the upper surface of the base 1; the output shaft of the motor 701 is provided with a driving gear 705; a driven gear 706 is meshed on the driving gear 705; a first connecting rod 707 is arranged on each of two sides of the driven gear 706; a driven gear 706 and one end of a first connecting rod 707 are both arranged on the first rotating shaft 702; the other end of the first link 707 is rotatably connected with a slide block 708; a second connecting rod 709 is inserted into the sliding block 708 in a matching way; one end of the second connecting rod 709 is rotatably connected with a third connecting rod 7010; one end of the third connecting rod 7010 is rotatably connected to the second rotating shaft 703; the other end of the second connecting rod 709 is rotatably connected with a fourth connecting rod 7011; the fourth connecting rod 7011 passes through the sliding seat 704 and is fixedly connected with the clamping part 6; the end part of the first rotating shaft 702 and the end part of the second rotating shaft 703 are both rotationally connected to the side surface of the first support column 2; two sliding seats 704 are symmetrically arranged on the side of the first pillar 2.

One specific application of this embodiment is: when the mechanical equipment needs emergency braking, the motor 701 drives the driving gear 705 to rotate, the motion of the driven gear 706, the first connecting rod 707, the sliding block 708, the second connecting rod 709, the third connecting rod 7010 and the fourth connecting rod 7011 is transmitted to the clamping piece 6, the clamping piece 6 moves downwards, the guide disc 5 moves towards the driving wheel 4 under the elastic action of the first spring 503, one end of the brake main 501 is close to the end face of the driving wheel 4, the driven rod 902 contacts the brake column 501 along with the rotation of the driving wheel 4, the driven rod 902 resists the fixed block 8 at the motion limiting lower end part of the brake column 501, and the emergency braking on the driving wheel 4 is realized; after braking is finished, a user manually moves the guide disc 5, the motor 701 rotates reversely to reset the clamping piece 6, and the second spring 903 elastically acts on the driven rod 902 to reset the driven rod 902.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An emergency stop device for mechanical equipment, comprising a base (1); a group of first support columns (2) and a group of second support columns (3) are arranged on the upper surface of the base (1) side by side; a driving wheel (4) is arranged between the two first supporting columns (2); a driven wheel (401) is arranged between the two second supporting columns (3); the driving wheel (4) is in transmission connection with the driven wheel (401) through a belt; the method is characterized in that:

one surface of each of the two first support columns (2) close to each other is provided with an inner guide groove (201) along the annular direction; two sides of the driving wheel (4) are respectively provided with a guide disc (5); one end surface of each guide disc (5) is provided with a brake column (501) along the annular direction; guide posts (502) are arranged on one end face of each guide disc (5) which is separated from each other along the annular direction; one end of the guide post (502) is in sliding fit with the inner guide groove (201); a first spring (503) is sleeved on the guide post (502); the first spring (503) is arranged on the inner guide groove (201);

wherein, a clamping groove (504) is arranged at the edge of one end face close to the two guide discs (5); a clamping piece (6) is matched in the clamping groove (504) in a sliding way; the bottom of the clamping piece (6) is connected with a power mechanism (7);

two end surfaces of the driving wheel (4) are fixedly connected with fixing blocks (8) along the annular direction; a box body (9) is arranged between the fixed blocks (8) and in the middle of the end face of the driving wheel (4);

wherein, the peripheral side surface of the box body (9) is provided with a limit hole (901) along the annular direction;

wherein a driven rod (902) is arranged in the box body (9) along the annular direction; one end of the driven rod (902) is rotatably connected to the inner surface of the box body (9); the other end of the driven rod (902) penetrates through the limiting hole (901) and extends to the outside of the box body (9); a second spring (903) is fixedly connected to the other end of the driven rod (902); one end of the second spring (903) is fixedly connected with the end face of the driving wheel (4);

the clamping piece (6) comprises a guide plate (601) and a clamping plate (602); the guide plate (601) is in sliding fit in the clamping groove (504); one surface of the clamping plate (602) is attached to one end face of the guide disc (5);

the guide plate (601) is of an L-shaped structure; a cross-shaped structure is formed between the guide plate (601) and the clamping plate (602);

the power mechanism (7) comprises a motor (701), a first rotating shaft (702), a second rotating shaft (703) and a sliding seat (704); the motor (701) is fixed on the upper surface of the base (1); the output shaft of the motor (701) is provided with a driving gear (705); a driven gear (706) is meshed with the driving gear (705); a first connecting rod (707) is arranged on each of two sides of the driven gear (706); one end parts of the driven gear (706) and the first connecting rod (707) are arranged on the first rotating shaft (702); the other end of the first connecting rod (707) is rotatably connected with a sliding block (708); a second connecting rod (709) is inserted in the sliding block (708) in a matching way; one end of the second connecting rod (709) is rotatably connected with a third connecting rod (7010); one end of the third connecting rod (7010) is rotatably connected to the second rotating shaft (703); the other end of the second connecting rod (709) is rotatably connected with a fourth connecting rod (7011); the fourth connecting rod (7011) penetrates through the sliding seat (704) and is fixedly connected with the clamping piece (6); the end part of the first rotating shaft (702) and the end part of the second rotating shaft (703) are both rotatably connected to the side surface of the first support column (2); the two sliding seats (704) are symmetrically arranged on the side surface of the first support column (2).

2. Emergency stop device for mechanical equipment, according to claim 1, characterized in that the outer surface of said fixed block (8) is provided with a buffer; the buffer pad is made of rubber.

3. Emergency stop device for mechanical equipment, according to claim 1, characterized in that said box (9) is of annular ring-shaped configuration; the limiting hole (901) is of a long strip-shaped structure.