阅读说明：本技术 一种运动部件的防撞装置 (Anti-collision device for moving part ) 是由 李晓建 章勇 孟新坤 于 2021-05-19 设计创作，主要内容包括：本发明公开了一种运动部件的防撞装置,本发明使用时,制动距离伸展臂、制动距离调节底座组件和制动开关触发组件之间组成一组完整的制动伸展臂单元,制动距离伸展臂的伸展长度代表第一运动机构部件和第二运动机构部件之间的制动距离,通过调节制动距离伸展臂的伸展长度来调节实际使用时部件之间的制动距离,第一运动机构部件和第二运动机构部件之间发生干涉靠近时,制动开关触发组件第一时间接触第二运动机构部件上的急停紧急制动开关,通过急停紧急制动开关的触发实现紧急制动,通过制动伸展臂单元长度的压缩,避免第一运动机构部件和第二运动机构部件不断靠近时,对制动距离伸展臂、制动开关触发组件和制动距离调节底座组件的挤压损毁。(The invention discloses an anti-collision device for moving parts, when the anti-collision device is used, a set of complete braking extending arm unit is formed among a braking distance extending arm, a braking distance adjusting base assembly and a braking switch triggering assembly, the extending length of the braking distance extending arm represents the braking distance between a first moving mechanism part and a second moving mechanism part, the braking distance between the parts in actual use is adjusted by adjusting the extending length of the braking distance extending arm, when interference approach occurs between the first moving mechanism part and the second moving mechanism part, the braking switch triggering assembly contacts an emergency stop emergency braking switch on the second moving mechanism part at the first time, emergency braking is realized by triggering the emergency stop emergency braking switch, when the first moving mechanism part and the second moving mechanism part approach continuously by compressing the length of the braking extending arm unit, and (4) extruding and damaging the braking distance extending arm, the braking switch triggering assembly and the braking distance adjusting base assembly.)

1. An anti-collision device for moving parts, comprising a first moving mechanism part (2) and a second moving mechanism part (4), characterized in that: an emergency stop emergency brake switch (3) is fixedly arranged on the second movement mechanism part (4), a braking distance adjusting base component (5) opposite to the emergency stop emergency brake switch (3), a braking distance extending arm (1) and a braking switch triggering component (6) are arranged on the first movement mechanism part (2), the braking distance extending arm (1) is rotatably arranged between the braking distance adjusting base component (5) and the braking switch triggering component (6), and a group of complete braking extending arm units are formed among the braking distance extending arm (1), the braking distance adjusting base component (5) and the braking switch triggering component (6);

the braking distance adjusting base component (5) comprises a U-shaped fixed vertical base (501), one side of the U-shaped fixed vertical base (501) is fixedly provided with a U-shaped fixed side frame plate (502), a vertical base guide sliding rod (504) is fixedly arranged inside the U-shaped fixed vertical base (501), the middle part of the U-shaped fixed vertical base (501) is fixedly provided with an installation chassis (503), the top end of the vertical base guide sliding rod (504) is slidably provided with a vertical base sliding block (505), the bottom end of the vertical base guide sliding rod (504) is fixedly provided with a vertical base fixed block (506), the vertical base sliding block (505) is fixedly provided with a braking distance positioning tooth block (512), a second vertical base rotating lug plate (510) and a second vertical base abutting disc (511), the vertical base fixed block (506) is fixedly provided with a first vertical base abutting disc (508) and a first vertical base rotating lug plate (509), a vertical base jacking spring (507) is sleeved on the vertical base guide sliding rod (504), the vertical base jacking spring (507) is positioned between a vertical base sliding block (505) and a vertical base fixing block (506), a braking distance jacking sliding rod (513) penetrates through the U-shaped fixing side frame plate (502) through a side frame plate guide vertical groove (519), a handle pulling head (514) and a braking distance jacking disc (515) are respectively and fixedly arranged at two ends of the braking distance jacking sliding rod (513), a braking distance jacking spring (516) is sleeved on the braking distance jacking sliding rod (513), braking distance jacking teeth (517) are fixedly arranged on the braking distance jacking disc (515), and an installation screw hole (518) is formed in the installation chassis (503);

braking switch triggers subassembly (6) and triggers riser (601) including the switch, the front end that the switch triggered riser (601) is fixed to be provided with switch trigger lug (602), and the switch triggers riser (601) rear end's top and bottom fixed being provided with respectively and triggers riser direction slide bar (603) and trigger riser fixed block (606), it is equipped with trigger riser sliding block (604) to trigger sliding block (603) go up the sliding sleeve, trigger riser sliding block (604) go up the fixed first riser rotation otic placode (605) that triggers that is provided with, trigger riser fixed block (606) go up the fixed second that is provided with and trigger riser rotation otic placode (607).

2. A collision avoidance device for a moving part according to claim 1, wherein: braking distance extending arm (1) rotates and sets up between braking distance adjustment base subassembly (5) and brake switch trigger assembly (6), the top and the bottom arm body of braking distance extending arm (1) one end are erected base rotation otic placode (509) and second through axle pin pole and are erected base rotation otic placode (510) and rotate respectively and be connected, and the top and the bottom arm body of braking distance extending arm (1) other end are triggered riser rotation otic placode (605) and second respectively and are triggered riser rotation otic placode (607) and rotate and be connected through axle pin pole and first.

3. A collision avoidance device for a moving part according to claim 1, wherein: the braking is contradicted on fixed side frame board of U type (502) from the one end of top tight spring (516), and the braking is contradicted on the braking is apart from top tight disc (515) from the other end of top tight spring (516), through the braking is tight from the top of top tight spring (516), makes the braking is apart from the tight meshing in top tight tooth (517) top on braking is apart from location tooth piece (512), simultaneously through the braking is tight from the top of top tight spring (516), through external force, makes the braking is apart from top tight tooth (517) top and is tightly adjustable reciprocate on fixed side frame board of U type (502).

4. A collision avoidance device for a moving part according to claim 1, wherein: through the jacking of the vertical base jacking spring (507), the vertical base sliding block (505) is far away from the vertical base fixing block (506) on the vertical base guide sliding rod (504), so that the braking distance extending arm (1) between the braking distance adjusting base assembly (5) and the braking switch triggering assembly (6) is in a compressed state.

5. A collision avoidance device for a moving part according to claim 1, wherein: the extension length of the braking distance extension arm (1) represents the braking distance between the first movement mechanism part (2) and the second movement mechanism part (4), and the braking distance between the parts in actual use is adjusted by adjusting the extension length of the braking distance extension arm (1).

6. A collision avoidance device for a moving part according to claim 1, wherein: erect base top tension spring (507) and be less than the top tension force that braking distance top tension spring (516) applyed to braking distance top tension tooth (517) to the biggest top tension force of erecting base sliding block (505), erect base sliding block (505) when sliding on erecting base direction slide bar (504), through braking distance top tension tooth (517) and braking distance location tooth piece (512) between the top tension tooth engage, stabilize erect base sliding block (505) the sliding position on erecting base direction slide bar (504).

7. A collision avoidance device for a moving part according to claim 1, wherein: when the first movement mechanism part (2) and the second movement mechanism part (4) are interfered to be close to each other, the brake switch trigger assembly (6) is contacted with the emergency stop brake switch (3) on the second movement mechanism part (4) at the first time, emergency braking is realized by triggering of the emergency stop brake switch (3), under the influence of inertia force, the first movement mechanism part (2) and the second movement mechanism part (4) are still close to each other, the extrusion force acting on the braking distance extending arm (1) between the first movement mechanism part (2) and the second movement mechanism part (4) is increased, and when the extrusion force is larger than the combined force of the braking distance jacking teeth (517) and the jacking teeth between the braking distance jacking teeth (517) and the braking distance positioning teeth blocks (512), the tooth disengaging phenomenon occurs between the braking distance jacking teeth (517) and the braking distance positioning teeth blocks (512), therefore, the extension length of the braking distance extension arm (1) is compressed and shortened rapidly, or the braking distance jacking tooth (517) and the braking distance positioning tooth block (512) are not disengaged from each other, the braking distance jacking tooth (517) slides on the vertical base guide sliding rod (504) along with the braking distance positioning tooth block (512), the compression of the length of the braking extension arm unit is realized, and the extrusion damage to the braking distance extension arm (1), the braking switch trigger assembly (6) and the braking distance adjusting base assembly (5) when the first movement mechanism component (2) and the second movement mechanism component (4) are close to each other is avoided.

8. A collision avoidance device for a moving part according to claim 1, wherein: the braking distance adjusting base assembly (5) is fixed on the first movement mechanism component (2) through an installation screw hole (518) and a fastening bolt on the installation chassis (503).

Technical Field

The invention belongs to the technical field of machine manufacturing, and particularly relates to an anti-collision device for a moving part.

Background

In the field of mechanical manufacturing, various motion mechanisms are required to cooperatively transmit or a plurality of parts are required to jointly complete an action, at the moment, when the beat of a motion part is wrong, equipment collision is caused, deformation occurs to a light person, the precision is influenced, and the serious person directly damages the equipment.

The prior art has the following problems: at present, the current situation of interference possibly occurs in the cooperative action of various parts, a mechanical contact type braking mechanism is lacked, the equipment cannot be protected from stopping before collision, and the equipment body is easily damaged.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides an anti-collision device for a moving part, which has the characteristic of protecting equipment from stopping before collision.

In order to achieve the purpose, the invention provides the following technical scheme: an anti-collision device for moving parts comprises a first moving mechanism part and a second moving mechanism part, wherein an emergency stop emergency brake switch is fixedly arranged on the second moving mechanism part, a braking distance adjusting base assembly, a braking distance extending arm and a braking switch triggering assembly which are opposite to the emergency stop emergency brake switch are arranged on the first moving mechanism part, the braking distance extending arm is rotatably arranged between the braking distance adjusting base assembly and the braking switch triggering assembly, and a group of complete braking extending arm units are formed among the braking distance extending arm, the braking distance adjusting base assembly and the braking switch triggering assembly;

the braking distance adjusting base component comprises a U-shaped fixed vertical base, one side of the U-shaped fixed vertical base is fixedly provided with a U-shaped fixed side frame plate, the inside of the U-shaped fixed vertical base is fixedly provided with a vertical base guide sliding rod, the middle part of the U-shaped fixed vertical base is fixedly provided with an installation base plate, the top end of the vertical base guide sliding rod is slidably provided with a vertical base sliding block, the bottom end of the vertical base guide sliding rod is fixedly provided with a vertical base fixed block, the vertical base sliding block is fixedly provided with a braking distance positioning tooth block, a second vertical base rotating lug plate and a second vertical base abutting lug plate, the vertical base fixed block is fixedly provided with a first vertical base abutting lug plate and a first vertical base rotating lug plate, the vertical base guide sliding rod is sleeved with a vertical base abutting spring, and the vertical base abutting spring is positioned between the vertical base and the vertical base fixed block, a braking distance jacking sliding rod penetrates through the U-shaped fixed side frame plate through a side frame plate guide vertical groove, a handle pulling head and a braking distance jacking disc are fixedly arranged at two ends of the braking distance jacking sliding rod respectively, a braking distance jacking spring is sleeved on the braking distance jacking sliding rod, a braking distance jacking tooth is fixedly arranged on the braking distance jacking disc, and an installation screw hole is formed in the installation chassis;

braking switch triggers the subassembly and includes the switch trigger riser, the switch triggers the fixed switch trigger lug that is provided with in front end of riser, and the top and the bottom of switch trigger riser rear end are fixed respectively and are provided with the trigger riser direction slide bar and trigger the riser fixed block, the slip cover is equipped with the trigger riser sliding block on the trigger riser direction slide bar, the fixed first riser rotation otic placode that triggers that is provided with on the trigger riser sliding block, the fixed second that is provided with triggers the riser rotation otic placode on the trigger riser fixed block.

Preferably, braking distance extension arm rotates to set up between braking distance adjustment base subassembly and brake switch trigger assembly, the braking distance extension arm one end top and the bottom arm body erect the base through axle pin pole and first perpendicular base rotation otic placode and second respectively and rotate the otic placode and be connected, and the braking distance extension arm other end top and the bottom arm body trigger the riser through axle pin pole and first trigger the riser respectively and rotate the otic placode and the second and rotate the otic placode and be connected.

Preferably, the braking is contradicted on the fixed side frame plate of U type from the one end of the tight spring in top, and the other end of braking is contradicted on the tight disc in braking distance top from the tight spring in top, through the braking is tight from the top of the tight spring in top, makes the braking is tight from the tight meshing in top tooth in braking distance on the location tooth piece, simultaneously through the braking is tight from the top of the tight spring in top, through external force, makes the braking reciprocates on the fixed side frame plate of U type with adjustable the tight tooth in top.

Preferably, the vertical base sliding block is far away from the vertical base fixed block on the vertical base guide sliding rod through the tight jacking of the vertical base jacking spring, so that the braking distance extending arm between the braking distance adjusting base assembly and the braking switch triggering assembly is in a compressed state.

Preferably, the extension length of the braking distance extending arm represents a braking distance between the first moving mechanism part and the second moving mechanism part, and the braking distance between the parts in actual use is adjusted by adjusting the extension length of the braking distance extending arm.

Preferably, erect the tight spring in base top and be less than the tight spring in braking distance top and to the tight power in braking distance top that the tight spring in braking distance top was exerted, erect the base sliding block when erecting base direction slide bar, through the tight meshing in braking distance top between tight tooth and the braking distance location tooth piece, stabilize erect the sliding position of base sliding block on erecting base direction slide bar.

Preferably, when the first movement mechanism part and the second movement mechanism part are in interference approach, the brake switch trigger assembly contacts an emergency stop brake switch on the second movement mechanism part at the first time, emergency braking is realized through triggering of the emergency stop brake switch, under the influence of inertial force, the first movement mechanism part and the second movement mechanism part are still in continuous approach, at the moment, the extrusion force acting on the braking distance extending arm between the first movement mechanism part and the second movement mechanism part is increased, and when the extrusion force is larger than the resultant force of the jacking teeth between the braking distance jacking teeth and the braking distance positioning teeth blocks, the phenomenon of tooth disengagement occurs between the braking distance jacking teeth and the braking distance positioning teeth blocks, so that the extension length of the braking distance extending arm is rapidly compressed and shortened, or the tooth disengagement does not occur between the braking distance jacking teeth and the braking distance positioning teeth blocks, the braking distance jacking teeth slide on the vertical base guide sliding rods along with the braking distance positioning tooth blocks, so that the length of the braking extending arm unit is compressed, and the braking distance extending arm, the braking switch triggering assembly and the braking distance adjusting base assembly are prevented from being extruded and damaged when the first movement mechanism part and the second movement mechanism part are continuously close to each other.

Preferably, the braking distance adjusting base assembly is fixed on the first moving mechanism component through a mounting screw hole and a fastening bolt on the mounting chassis.

Compared with the prior art, the invention has the beneficial effects that: when the invention is used, a set of complete braking extending arm unit is formed among the braking distance extending arm, the braking distance adjusting base component and the braking switch triggering component, the extending length of the braking distance extending arm represents the braking distance between the first movement mechanism component and the second movement mechanism component, the braking distance between the components in actual use is adjusted by adjusting the extending length of the braking distance extending arm, when the first movement mechanism component and the second movement mechanism component are interfered to be close, the braking switch triggering component is contacted with the emergency braking switch on the second movement mechanism component for the first time, the emergency braking is realized by triggering the emergency braking switch, under the influence of inertia force, the first movement mechanism component and the second movement mechanism component are still close to each other, at the moment, the extrusion force acted between the first movement mechanism component and the second movement mechanism component on the braking distance extending arm is increased, when the extrusion force is greater than the resultant force of the braking distance jacking teeth and the braking distance positioning teeth between the braking distance jacking teeth and the braking distance positioning teeth, the tooth disengaging phenomenon occurs between the braking distance jacking teeth and the braking distance positioning teeth, so that the extension length of the braking distance extending arm is quickly compressed and shortened, or the tooth disengaging phenomenon does not occur between the braking distance jacking teeth and the braking distance positioning teeth, the braking distance jacking teeth slide on the vertical base guide slide rod along with the braking distance positioning teeth, the compression of the length of the braking extending arm unit is realized, the extrusion damage to the braking distance extending arm, the braking switch trigger assembly and the braking distance adjusting base assembly is avoided when the first movement mechanism part and the second movement mechanism part are continuously close to each other, the vertical base sliding block is far away from the vertical base fixing block on the vertical base guide slide rod through the jacking of the vertical base jacking spring, so that the braking distance extending arm between the braking distance adjusting base assembly and the braking switch trigger assembly is in a compressed state, the maximum jacking force of the vertical base jacking spring on the vertical base sliding block is smaller than the jacking force applied to the braking distance jacking teeth by the braking distance jacking spring, when the length of the braking distance extending arm is adjusted, the jacking force of the braking distance jacking spring is tight, so that the braking distance jacking teeth are tightly meshed on the braking distance positioning teeth block, and the length of the braking distance extending arm is kept unchanged.

Drawings

FIG. 1 is a schematic view of the present invention in its installed use;

FIG. 2 is a schematic view of another aspect of the present invention in use;

FIG. 3 is a perspective view of the brake spreading arm unit of the present invention;

FIG. 4 is a perspective view of the braking distance adjustment base assembly of the present invention;

FIG. 5 is an exploded view of the braking distance adjustment base assembly of the present invention;

FIG. 6 is a perspective view of the brake switch trigger assembly of the present invention;

in the figure: 1. a braking distance extending arm; 2. a first motion mechanism component; 3. an emergency stop and emergency brake switch; 4. a second motion mechanism component; 5. a braking distance adjustment base assembly; 501. a U-shaped fixed vertical base; 502. a U-shaped fixed side frame plate; 503. installing a chassis; 504. a vertical base guide slide bar; 505. a vertical base sliding block; 506. a base fixing block is erected; 507. the vertical base tightly props against the spring; 508. the first vertical base tightly supports the disc; 509. the first vertical base rotates the ear plate; 510. the second vertical base rotates the ear plate; 511. the second vertical base tightly supports the disc; 512. braking distance positioning tooth blocks; 513. the braking distance tightly props up the sliding rod; 514. pulling the ball head; 515. the braking distance tightly props up the disc; 516. the braking distance tightly props up the spring; 517. the braking distance tightly pushes the teeth; 518. mounting a screw hole; 519. the side frame plate is guided to the vertical groove; 6. a brake switch trigger assembly; 601. a switch triggers the vertical plate; 602. a switch trigger bump; 603. triggering a vertical plate guide slide rod; 604. triggering a vertical plate sliding block; 605. the first trigger vertical plate rotates the lug plate; 606. triggering a vertical plate fixing block; 607. the second triggers the riser and rotates the otic placode.

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. 1-6, the present invention provides the following technical solutions: an anti-collision device for moving parts comprises a first moving mechanism part 2 and a second moving mechanism part 4, wherein an emergency stop brake switch 3 is fixedly arranged on the second moving mechanism part 4, a braking distance adjusting base component 5 opposite to the emergency stop brake switch 3, a braking distance extending arm 1 and a brake switch triggering component 6 are arranged on the first moving mechanism part 2, the braking distance extending arm 1 is rotatably arranged between the braking distance adjusting base component 5 and the brake switch triggering component 6, and a group of complete braking extending arm units are formed among the braking distance extending arm 1, the braking distance adjusting base component 5 and the brake switch triggering component 6;

the braking distance adjusting base component 5 comprises a U-shaped fixed vertical base 501, one side of the U-shaped fixed vertical base 501 is fixedly provided with a U-shaped fixed side frame plate 502, the inside of the U-shaped fixed vertical base 501 is fixedly provided with a vertical base guide slide bar 504, the middle part of the U-shaped fixed vertical base 501 is fixedly provided with an installation chassis 503, the top end of the vertical base guide slide bar 504 is slidably provided with a vertical base slide block 505, the bottom end of the vertical base guide slide bar 504 is fixedly provided with a vertical base fixed block 506, the vertical base slide block 505 is fixedly provided with a braking distance positioning tooth block 512, a second vertical base rotating ear plate 510 and a second vertical base abutting disc 511, the vertical base fixed block 506 is fixedly provided with a first vertical base abutting disc 508 and a first vertical base rotating ear plate 509, the vertical base guide slide bar 504 is sleeved with a vertical base abutting spring 507, the vertical base abutting spring 507 is positioned between the vertical base slide block 505 and the vertical base fixed block 506, a braking distance jacking sliding rod 513 penetrates through the U-shaped fixed side frame plate 502 through a side frame plate guide vertical groove 519, a handle ball pulling head 514 and a braking distance jacking disc 515 are fixedly arranged at two ends of the braking distance jacking sliding rod 513 respectively, a braking distance jacking spring 516 is sleeved on the braking distance jacking sliding rod 513, a braking distance jacking tooth 517 is fixedly arranged on the braking distance jacking disc 515, and an installation screw hole 518 is formed in the installation chassis 503;

the brake switch triggering assembly 6 comprises a switch triggering vertical plate 601, a switch triggering convex block 602 is fixedly arranged at the front end of the switch triggering vertical plate 601, a triggering vertical plate guiding slide bar 603 and a triggering vertical plate fixing block 606 are respectively and fixedly arranged at the top and the bottom of the rear end of the switch triggering vertical plate 601, a triggering vertical plate sliding block 604 is sleeved on the triggering vertical plate guiding slide bar 603 in a sliding manner, a first triggering vertical plate rotating lug 605 is fixedly arranged on the triggering vertical plate sliding block 604, and a second triggering vertical plate rotating lug 607 is fixedly arranged on the triggering vertical plate fixing block 606.

In this embodiment, preferably, the braking distance extending arm 1 is rotatably disposed between the braking distance adjusting base assembly 5 and the braking switch triggering assembly 6, the top and bottom arm bodies at one end of the braking distance extending arm 1 are rotatably connected to the first vertical base rotating lug 509 and the second vertical base rotating lug 510 through the shaft pin rod, respectively, and the top and bottom arm bodies at the other end of the braking distance extending arm 1 are rotatably connected to the first triggering vertical plate rotating lug 605 and the second triggering vertical plate rotating lug 607 through the shaft pin rod, respectively.

In this embodiment, preferably, one end of the braking distance jacking spring 516 abuts against the U-shaped fixed side frame plate 502, the other end of the braking distance jacking spring 516 abuts against the braking distance jacking disk 515, the braking distance jacking spring 516 abuts against the braking distance, so that the braking distance jacking teeth 517 abut against the braking distance positioning teeth 512, and meanwhile, the braking distance jacking spring 516 abuts against the braking distance jacking teeth 517, and through external force, the braking distance jacking teeth 517 abut against the U-shaped fixed side frame plate 502 to be adjustable to move up and down.

In this embodiment, preferably, the vertical base sliding block 505 is far away from the vertical base fixing block 506 on the vertical base guide sliding rod 504 by the tightening of the vertical base tightening spring 507, so that the braking distance extending arm 1 between the braking distance adjusting base assembly 5 and the brake switch triggering assembly 6 is in a compressed state.

In this embodiment, it is preferable that the extended length of the braking distance extending arm 1 represents the braking distance between the first moving mechanism part 2 and the second moving mechanism part 4, and the braking distance between the parts in actual use is adjusted by adjusting the extended length of the braking distance extending arm 1.

In this embodiment, preferably, the maximum tightening force of the vertical base tightening spring 507 on the vertical base sliding block 505 is smaller than the tightening force of the braking distance tightening spring 516 on the braking distance tightening tooth 517, and when the vertical base sliding block 505 slides on the vertical base guide sliding rod 504, the sliding position of the vertical base sliding block 505 on the vertical base guide sliding rod 504 is stabilized by tightening engagement between the braking distance tightening tooth 517 and the braking distance positioning tooth block 512.

In this embodiment, preferably, when the first moving mechanism part 2 and the second moving mechanism part 4 are in interference proximity, the brake switch trigger assembly 6 contacts the emergency brake switch 3 on the second moving mechanism part 4 for the first time, and emergency braking is realized by triggering the emergency brake switch 3, under the influence of inertial force, the first moving mechanism part 2 and the second moving mechanism part 4 are still in proximity, at this time, the pressing force between the first moving mechanism part 2 and the second moving mechanism part 4 acting on the braking distance extending arm 1 is increased, when the pressing force is greater than the combined force of the braking distance abutting teeth 517 and the braking distance positioning teeth 512, the tooth disengagement phenomenon occurs between the braking distance abutting teeth 517 and the braking distance positioning teeth 512, so that the extension length of the braking distance extending arm 1 is rapidly compressed and shortened, or the tooth disengagement does not occur between the braking distance abutting teeth 517 and the braking distance positioning teeth 512, the braking distance jacking tooth 517 slides on the vertical base guide sliding rod 504 along with the braking distance positioning tooth block 512, so that the length of the braking extending arm unit is compressed, and the braking distance extending arm 1, the braking switch trigger assembly 6 and the braking distance adjusting base assembly 5 are prevented from being extruded and damaged when the first moving mechanism part 2 and the second moving mechanism part 4 are continuously close to each other.

In this embodiment, it is preferable that the braking distance adjusting base assembly 5 is fixed to the first moving mechanism part 2 through a mounting screw hole 518 and a fastening bolt on the mounting base plate 503.

The emergency stop emergency brake switch 3 of the invention is a well-known technology widely used and used in daily life, and the connection mode of the emergency stop emergency brake switch with an external brake emergency stop system and the known technology in daily life are disclosed.

The working principle and the using process of the invention are as follows: when the brake device is used, a set of complete brake extending arm unit is formed among the brake distance extending arm 1, the brake distance adjusting base assembly 5 and the brake switch triggering assembly 6, the extending length of the brake distance extending arm 1 represents the brake distance between the first movement mechanism component 2 and the second movement mechanism component 4, the brake distance between the components in actual use is adjusted by adjusting the extending length of the brake distance extending arm 1, when interference approaching occurs between the first movement mechanism component 2 and the second movement mechanism component 4, the brake switch triggering assembly 6 contacts the emergency brake switch 3 on the second movement mechanism component 4 for the first time, emergency braking is realized by triggering the emergency brake switch 3, under the influence of inertia force, the first movement mechanism component 2 and the second movement mechanism component 4 are not closed, and at the moment, the first movement mechanism component 2 and the second movement mechanism component 4 act on the extrusion extending arm 1 to form an extrusion extending arm unit Pressure is increased, when extrusion force is larger than the resultant force of the jacking teeth between the braking distance jacking teeth 517 and the braking distance positioning teeth 512, the phenomenon of tooth disengagement occurs between the braking distance jacking teeth 517 and the braking distance positioning teeth 512, so that the extension length of the braking distance extending arm 1 is quickly compressed and shortened, or the tooth disengagement does not occur between the braking distance jacking teeth 517 and the braking distance positioning teeth 512, the braking distance jacking teeth 517 slide on the vertical base guide sliding rod 504 along with the braking distance positioning teeth 512, the compression of the unit length of the braking extending arm is realized, the extrusion damage of the braking distance extending arm 1, the braking switch trigger assembly 6 and the braking distance adjusting base assembly 5 is avoided when the first moving mechanism part 2 and the second moving mechanism part 4 are continuously close to each other, and the sliding block of the vertical base 505 is far away from the vertical base fixing block 506 on the vertical base guide sliding rod 504 through the jacking springs 507 of the vertical base, therefore, the braking distance extending arm 1 between the braking distance adjusting base component 5 and the braking switch triggering component 6 is in a compressed state, the maximum jacking force of the vertical base jacking spring 507 to the vertical base sliding block 505 is smaller than the jacking force of the braking distance jacking spring 516 to the braking distance jacking tooth 517, when the length of the braking distance extending arm 1 is adjusted, the braking distance jacking spring 516 is jacked tightly, the braking distance jacking tooth 517 is jacked tightly and meshed on the braking distance positioning tooth block 512, and the length of the braking distance extending arm 1 is kept unchanged.

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.