CN111039217B

CN111039217B - Wire running trolley for avoiding breaking of steel wire rope

Info

Publication number: CN111039217B
Application number: CN201911355079.9A
Authority: CN
Inventors: 胡世富
Original assignee: Ye Kewei
Current assignee: Changzhou Fengyue Vehicle Parts Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2021-02-12
Anticipated expiration: 2039-12-25
Also published as: CN111039217A

Abstract

The invention relates to the technical field of film and television props, and discloses a Weiya running trolley for avoiding breaking of a steel wire rope. This avoid wire rope and break's wiya operation dolly, when the motor operation of both sides is asynchronous, can act on earlier on sending disconnected bolt under the effect, absorb too big pulling force, break wire rope between avoiding, give operating personnel reaction time, make walking wheel stall simultaneously, make and send huge noise between walking wheel and the walking track, if not in time stop the motor, two remove the frame and continue to keep away from, can pull in the thickening section of gag lever post between walking wheel and the movable floor, thoroughly stop the removal of operation dolly, even wire rope breaks this moment, the operation dolly locking is in the normal position, can not take place the accident, improve the security of wiya operation.

Description

Wire running trolley for avoiding breaking of steel wire rope

Technical Field

The invention relates to the technical field of film and television props, in particular to a Weiya running trolley for avoiding breaking of a steel wire rope.

Background

When shooting a movie or performing a stage, veya is often used to implement a complicated motion, please refer to fig. 5, two motors are used to implement horizontal movement, and one motor is used to implement vertical movement, so as to obtain a required motion track.

During horizontal movement, one motor is used for winding and one motor is used for unwinding, two motors are required to keep synchronous rotation, otherwise, the steel wire rope can be broken, and on the other hand, after the steel wire rope is broken, the control capability in one direction can be lost, so that the movement in one direction cannot be stopped, and safety accidents are caused.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the technical scheme of the Weiya running trolley for avoiding the breakage of the steel wire rope, has the advantages of alarming under unbalanced stress, braking and stopping under the gravity, free movement under the non-stressed state and the like, and solves the problems in the background technology.

The invention provides the following technical scheme: a wire rope snapping-avoiding Weiya running trolley comprises two moving frames, wherein the upper ends of the moving frames are provided with walking wheels, the two moving frames are fixedly connected through breaking bolts, the upper ends of the two sides of each moving frame are movably connected with sliding blocks, the lower ends of the sliding blocks are provided with return springs in a compressed state, the two sliding blocks are fixed at the upper ends of the moving frames by movable rods, one sides of the two sliding blocks, which are opposite to each other, are provided with notches, one sides of the two sliding blocks, which are away from each other, are fixedly connected with vertical wheel carriers, the lower ends of the vertical wheel carriers are fixedly provided with vertical moving wheels, one sides of the two sliding blocks, which are close to each other, are fixedly connected with a braking structure, the bottoms of the moving frames are movably connected with deformable moving bottom plates, two ends of the moving bottom plates are provided with fixing grooves, positioning rods are arranged above, the upper end swing joint of activity bottom plate has the gag lever post, the both ends grow gradually of gag lever post, just two of gag lever post become thick section and are located the outside of movable rod.

Preferably, a gap is left between the moving frame and the travelling wheel, the braking structure is a wedge-shaped block with a tip facing the gap, and the inclined plane faces the moving frame.

Preferably, the two ends of the movable bottom plate are both provided with plastic sections.

Preferably, the limiting rod is provided with plastic clamping blocks for clamping the limiting rod on the two movable frames, and the plastic clamping blocks of the limiting rod can be deformed under stress to lose the limiting effect.

The invention has the following beneficial effects:

1. this avoid wire rope and break's wiya operation dolly, on the one hand, when the motor operation of both sides is asynchronous, can act on earlier and send disconnected bolt under the effect, absorb too big pulling force, break wire rope between avoiding, give operating personnel reaction time, on the other hand, the pulling force can make two removal framves keep away from each other, make walking wheel stall simultaneously under the action of gravity, make between walking wheel and the walking track send huge noise because of the friction, make operating personnel notice the potential safety hazard, in time stop motor, avoid breaking the emergence accident with wire rope.

2. According to the wire rope snapping avoiding wire rope operation trolley, if an operator does not stop the motor in time, the two moving frames continue to be far away, the thickened section of the limiting rod is pulled into the space between the traveling wheel and the movable bottom plate, the movement of the operation trolley is completely stopped, even if the wire rope is snapped at the moment, the operation trolley is locked in the original position, no accident occurs, and the wire rope operation safety is improved.

3. After the steel wire rope is broken, and actors get rescued, the sliding block actors restore to the original positions under the action of gravity and the action of the reset springs, so that the travelling wheels can rotate freely, and meanwhile, the movable bottom plate is driven to fall off, so that the travelling trolley can move freely, the travelling trolley can be recovered without special treatment, and the travelling trolley can be recovered after a broken bolt is installed again.

Drawings

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

FIG. 2 is a side view of the present invention;

FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;

FIG. 4 is a partial schematic view of the present invention;

FIG. 5 is a schematic diagram of a conventional Weiya structure.

In the figure: 1. a movable frame; 2. a traveling wheel; 3. breaking the bolt; 4. a slider; 5. a return spring; 6. a movable rod; 7. a vertical wheel carrier; 8. a vertical moving wheel; 9. a limiting rod; 10. a brake structure; 11. positioning a rod; 12. a movable bottom plate; 13. and (5) walking on a track.

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, a wiya traveling trolley for avoiding the breaking of a steel wire rope comprises two traveling frames 1, traveling wheels 2 are mounted at the upper ends of the traveling frames 1, the traveling frames 1 and the traveling wheels 2 surround a traveling rail 13, the two traveling frames 1 are fixedly connected through breaking bolts 3, the two traveling frames 1 are fixedly connected by the breaking bolts 3 respectively arranged at the upper and lower ends of the traveling rail 13, so that the two traveling frames 1 are integrated, sliders 4 are movably connected at the upper ends of the two sides of the traveling frames 1, return springs 5 in a compressed state are arranged at the lower ends of the sliders 4, the return springs 5 can restore the sliders 4 above the traveling frames 1 when the sliders 4 are not stressed, the two sliders 4 are fixed at the upper ends of the traveling frames 1 by movable rods 6, a gap is arranged at one side opposite to the two sliders 4, the two sliders 4 are movably connected with the movable rods 6 through the gap, when the two sliding blocks 4 are far away from each other, the movable rod 6 naturally drops, in order to avoid injuring people, the movable rod 6 is made of plastic, one side of the two sliding blocks 4 far away from each other is fixedly connected with a vertical wheel carrier 7, the lower end of the vertical wheel carrier 7 is fixedly provided with a vertical moving wheel 8, the gravity of an actor acts on the sliding blocks 4 through the vertical moving wheel 8 and the vertical wheel carrier 7, the sliding blocks 4 act on the movable frame 1 through the movable rod 6, and further act on the walking wheel 2, one side of the two sliding blocks 4 close to each other is fixedly connected with a brake structure 10, the bottom of the movable frame 1 is movably connected with a deformable movable bottom plate 12, two ends of the movable bottom plate 12 are provided with fixing grooves, a positioning rod 11 is arranged above the fixing groove of the movable bottom plate 12, the positioning rod 11 is fixedly connected with the sliding blocks 4 and moves along with the, avoid movable bottom plate 12 to drop, the upper end swing joint of movable bottom plate 12 has gag lever post 9, and the both ends grow gradually of gag lever post 9, and two thickening sections of gag lever post 9 are located the outside of movable rod 6, guarantee to brake earlier and stop walking wheel 2 and then brake and stop the operation dolly.

Wherein, remove and leave the gap between frame 1 and the walking wheel 2, stop structure 10 in order to point at most advanced facing to the wedge block in gap, and the inclined plane towards removing frame 1, after movable rod 6 drops off, stop structure 10 in the brake insert and remove the clearance between frame 1 and the walking wheel 2, prevent that the walking wheel 2 is rotatory, and then make walking wheel 2 and walking track 13 friction, produce the noise, remind two motors rotatory asynchronous.

Wherein, the two ends of the movable bottom plate 12 are both provided with plastic sections, and the length of the plastic sections is proper, so that when the movable bottom plate 12 deforms, the two ends of the movable bottom plate 12 are separated from the movable frame 1.

Wherein, be equipped with on the gag lever post 9 and block the plastics fixture block on two removal framves 1 with gag lever post 9, ensure that gag lever post 9's initial position can not remove easily, avoid gag lever post 9 to disturb the normal removal of this operation dolly, the plastics fixture block atress of gag lever post 9 can be out of limit for its, when two removal framves 1 kept away from each other, the butt card of gag lever post 9 is gone into between activity bottom plate 12 and the walking wheel 2, makes the travelling car lose the mobility.

The working principle and the working process of the invention are as follows:

when the motors at the two ends of the running trolley run asynchronously, the two ends of the running trolley generate larger pulling force, when the pulling force is large enough, the breaking bolt 3 is broken, the two moving frames 1 are separated and can move freely, when the two moving frames 1 are far away, the movable rod 6 falls off naturally, the sliding block 4 loses the support of the movable rod 6 and moves downwards under the action of the gravity of an actor, the braking structure 10 is driven to move and is inserted into a gap between the running wheel 2 and the moving frames 1 to block the running wheel 2 from rotating freely, at the moment, if the motors continue to run, the running wheel 2 slides on the running track 13, noise is generated under the action of friction force to remind a worker to turn off the motors, if the motors are not turned off, the two running wheels 2 continue to be far away, the thickened section of the limiting rod 9 is pulled between the movable bottom plate 12 and the running wheel 2 to prevent the moving frames 1 and the running wheel 2 from, the locking position, if the motor continues to operate this moment, cause the wire rope to break, and the removal frame 1 locks the normal position with walking wheel 2 under the effect of frictional force, put down the actor, lose the actor's gravity, under the effect of reset spring 5, slider 4 resumes the normal position, pull out braking structure 10 from the gap, raise locating lever 11 simultaneously and make movable bottom plate 12 both ends lose the constraint, because movable bottom plate 12 is in the stress state this moment, warp and dash the roll-off from removal frame 1, gag lever post 9 and walking track 13 break away from the contact, make walking wheel 2 can freely move.

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

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

Claims

1. The utility model provides a avoid wire rope and break's wiya operation dolly, includes two removal framves (1), walking wheel (2), its characterized in that are installed to the upper end of removing frame (1): the two moving frames (1) are fixedly connected through a breaking bolt (3), the upper ends of the two sides of each moving frame (1) are movably connected with a sliding block (4), the lower end of each sliding block (4) is provided with a return spring (5) in a compression state, the two sliding blocks (4) are fixed at the upper end of each moving frame (1) through movable rods (6), one opposite sides of the two sliding blocks (4) are provided with notches, one sides, far away from each other, of the two sliding blocks (4) are fixedly connected with vertical wheel carriers (7), the lower ends of the vertical wheel carriers (7) are fixedly provided with vertical moving wheels (8), one sides, near to each other, of the two sliding blocks (4) are fixedly connected with braking structures (10), the bottom of each moving frame (1) is movably connected with a deformable moving bottom plate (12), two ends of each moving bottom plate (12) are provided with fixing grooves, and positioning rods (11) are arranged above the fixing, locating lever (11) and slider (4) fixed connection and remove along with slider (4), the upper end swing joint of activity bottom plate (12) has gag lever post (9), the both ends grow gradually of gag lever post (9), just two thick sections that become of gag lever post (9) are located the outside of movable rod (6).

2. The wire rope snapping avoidance Wiya traveling trolley according to claim 1, wherein: remove and leave the gap between frame (1) and walking wheel (2), stop structure (10) for the most advanced wedge block to the gap, and the inclined plane is towards removing frame (1).

3. The wire rope snapping avoidance Wiya traveling trolley according to claim 1, wherein: and plastic sections are arranged at two ends of the movable bottom plate (12).

4. The wire rope snapping avoidance Wiya traveling trolley according to claim 1, wherein: the limiting rod (9) is provided with plastic clamping blocks for clamping the limiting rod (9) on the two moving frames (1), and the plastic clamping blocks of the limiting rod (9) can be deformed under stress to enable the limiting rod to lose limiting effect.