CN217398292U - Trigger structure of limiter - Google Patents

Abstract

The utility model relates to a stopper trigger structure, the transmission shaft vertically wears to be equipped with on the mount pad, the cover is equipped with a speed reducing section of thick bamboo on the transmission shaft, still installed control module on the planet speed reduction subassembly mount pad between speed reducing section of thick bamboo and the transmission shaft, control module is equipped with fine motion button, L type shell fragment on being close to the terminal surface of speed reducing section of thick bamboo, the minor face and the control module fixed connection of L type shell fragment, the long limit of L type shell fragment is established between fine motion button and speed reducing section of thick bamboo, the long limit is close to the terminal surface of speed reducing section of thick bamboo and is equipped with the kicking block, the kicking block pushes away on the lateral wall of speed reducing section of thick bamboo, be equipped with the ejector pad that corresponds with the kicking block on the speed reducing section of thick bamboo, it can drive the ejector pad to rotate the speed reducing section of thick bamboo and make the long limit press the fine motion button; the end face of the control module, which is far away from the speed reducing cylinder, is provided with a wiring end; this application comes the periodic promotion L type shell fragment and then presses the fine motion button on the control module through the rotation of a speed reduction section of thick bamboo and carries out stroke control to equipment, and the structure cooperation is stable, trigger reliably.

Description

Trigger structure of limiter

Technical Field

The utility model belongs to the technical field of the stopper technique and specifically relates to a stopper trigger structure.

Background

A stop is a safety device for protecting machines and their users, commonly found on cars and cranes.

And generally installed load lifting limiter on the hoist, the moment limiter, high limiter, the stroke limiter, range stopper etc. for limit hoist's handling working range, ensure the work security of hoist, and the assurance of the factor of safety of hoist generally depends on the stability of the trigger structure of stopper, and the trigger structure on the present market is electronic components mostly, these components and parts are high in sensitivity, but be unfavorable for long-time the use, can not deal with some complex conditions, and current mechanical trigger structure often the function singleness, have certain limitation, so this provides one kind and triggers reliable adjustable stopper trigger structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stopper triggers structure for solve the problem that exists among the above-mentioned background art.

In order to solve the above problems, the utility model provides a stopper trigger structure, the transmission shaft vertically wears to be equipped with on this stopper trigger structure's the mount pad, the cover is equipped with a speed reduction section of thick bamboo on the transmission shaft, speed reduction section of thick bamboo with install planet speed reduction subassembly between the transmission shaft, speed reduction section of thick bamboo passes through planet speed reduction subassembly is installed on the mount pad, still installed control module on the mount pad, control module is close to be equipped with fine motion button, L type shell fragment on the terminal surface of speed reduction section of thick bamboo, the minor face of L type shell fragment with control module fixed connection, the long limit of L type shell fragment is established between fine motion button and the speed reduction section of thick bamboo, the long limit is close to the terminal surface of speed reduction section of thick bamboo and is equipped with the kicking block, the kicking block roof pressure is in on the lateral wall of speed reduction section of thick bamboo, be equipped with the ejector block that corresponds with the kicking block on the speed reduction section of thick bamboo, rotate the speed reduction section of thick bamboo can drive the kicking block push away makes the long limit press the fine motion button; and a wiring terminal is arranged on the end surface of the control module, which is far away from the speed reducing cylinder.

The utility model provides a stopper trigger structure still has following technical characteristic:

further, the control module is provided with a plurality of along vertical direction.

Further, a partition plate is arranged between the control modules and can cover the wiring terminals.

Furthermore, the reduction cylinder is divided into a plurality of adjusting rings corresponding to the control module, each adjusting ring can rotate mutually, and a locking part is further arranged between the adjusting rings.

Further, the retaining member comprises an upper cover and a lower cover, and the upper cover and the lower cover are connected through bolts to butt and jack each adjusting ring.

Furthermore, the upper end surface and the lower end surface of each adjusting ring are provided with matching teeth.

Furthermore, the top block is provided with a ground roller capable of rotating along the vertical direction, and the ground roller is in tangential fit with the speed reducing cylinder.

Further, the width of the roller is smaller than the width of the push block in the vertical direction.

Furthermore, a protective shell covers the mounting seat.

Furthermore, a butt joint bulge is arranged on the mounting seat.

The utility model discloses following beneficial effect has: this application is rational in infrastructure, the cooperation is ingenious, will turn into low rotational speed by the high rotational speed of the input shaft of hoist through the planet speed reduction subassembly and export to a speed reduction section of thick bamboo on, then the rotation through a speed reduction section of thick bamboo comes the periodic promotion L type shell fragment and then presses the micro-motion button on the control module and carries out stroke control to equipment, and the structural cooperation is stable, trigger reliably, establishes the speed reduction section of thick bamboo of different drive ratios planet speed reduction subassembly in addition according to different demands are removable, improves the practicality of this device.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

fig. 2 is an enlarged view at a in fig. 1.

11. A mounting seat; 12. butting the bulges; 13. a protective shell; 2. a reduction drum; 21. an upper cover; 22. an adjusting ring; 23. a lower cover; 24. a push block; 25. matching teeth; 31. a control module; 32. a terminal; 33. a partition plate; 34. a jog button; 35. an L-shaped elastic sheet; 36. a roller; 41. a drive shaft; 42. and (4) bolts.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the embodiment of the trigger structure of the stopper of the present invention as shown in fig. 1 to fig. 2, a transmission shaft 41 vertically penetrates through a mounting seat 11 of the trigger structure of the stopper, a reduction cylinder 2 is sleeved on the transmission shaft 41, a planetary reduction assembly is installed between the reduction cylinder 2 and the transmission shaft 41, the planetary reduction assembly has the advantages of compact structure, stable cooperation, large transmission ratio, etc., the reduction cylinder 2 is installed on the mounting seat 11 through the planetary reduction assembly, a control module 31 is also installed on the mounting seat 11, a micro-motion button 34 and an L-shaped elastic sheet 35 are installed on an end surface of the control module 31 close to the reduction cylinder 2, a short edge of the L-shaped elastic sheet 35 is fixedly connected with the control module 31, a long edge of the L-shaped elastic sheet 35 is installed between the micro-motion button 34 and the reduction cylinder 2, and a top block is installed on an end surface of the L-shaped elastic sheet close to the reduction cylinder 2, the ejector block is pressed on the side wall of the speed reducing cylinder 2, a push block 24 corresponding to the ejector block is arranged on the speed reducing cylinder 2, and the rotation of the speed reducing cylinder 2 can drive the push block 24 to push the ejector block away, so that the long edge presses the inching button 34; the end face of the control module 31 far away from the reduction cylinder 2 is provided with a terminal 32.

When the hoisting equipment provided with the device needs to work, the position angle of the speed reducing cylinder 2 is preset, the transmission shaft 41 is connected with the output shaft of the hoisting equipment, and the wiring terminal 32 is communicated with a driving motor of the hoisting equipment through a wire; high rotational speed through the input shaft of hoist of planet speed reduction subassembly will be turned into low rotational speed and export to speed reduction section of thick bamboo 2 on by the high rotational speed of hoist, the ejector pad 24 on the speed reduction section of thick bamboo 2 after the hoist drives speed reduction section of thick bamboo 2 and rotates certain angle pushes away ejector pad messenger l type shell fragment 35's long limit and presses micro-gap button 34, thereby trigger the speed reduction of predetermineeing or switching-over instruction drive hoisting equipment's that the structure cooperation is stable, trigger reliably, can also establish the speed reduction section of thick bamboo 2 of different drive ratios planet speed reduction subassembly in according to different demands are removable, the practicality of this device is improved.

In one embodiment of the present application, it is preferable that the control module 31 is provided in a plurality in a vertical direction, so that it can control a plurality of different control modules 31 at the same time, thereby improving efficiency.

In an embodiment of the present application, preferably, a partition 33 is disposed between each of the control modules 31, and the partition 33 may cover the terminal 32, so as to prevent the terminal 32 and the control module 31 from being damaged due to external pressure, thereby improving reliability of the present application.

In an embodiment of the present application, preferably, the reduction cylinder 2 is divided into a plurality of adjusting rings 22 corresponding to the control modules 31, each of the adjusting rings 22 can rotate with each other, a locking member is further disposed between the adjusting rings 22, the relative positions of the push blocks 24 between the adjusting rings 22 can be respectively adjusted and controlled and then locked, and the micro-buttons 34 of different control modules 31 can be triggered according to different strokes of the hoisting equipment according to work requirements, so as to improve the functionality of the present application.

In one embodiment of the present application, preferably, the locking member includes an upper cover 21 and a lower cover 23, the upper cover 21 and the lower cover 23 are connected by a bolt 42 to butt and press each adjusting ring 22, and the butt and press of each adjusting ring 22 by the upper cover 21 and the lower cover 23 can effectively ensure the coaxiality between each adjusting ring 22 and ensure the triggering precision during the operation of the present application.

In one embodiment of the present application, the upper and lower end surfaces of each adjusting ring 22 are preferably provided with mating teeth 25 to avoid relative sliding after relative positioning and locking of the adjusting rings 22.

In an embodiment of the present application, preferably, the top block is provided as a roller 36 capable of rotating in the vertical direction, the roller 36 is in tangential fit with the speed reducing cylinder 2, the relative sliding fit between the top block and the speed reducing cylinder 2 is changed into a relative rolling fit, the wear of the parts of the present application is reduced, and the service life of the device is prolonged.

In an embodiment of the present application, preferably, the width of the roller 36 is smaller than the width of the pushing block 24 in the vertical direction, so that the pushing process between the roller 26 and the pushing block 24 is not prone to deviation, and the working reliability thereof is improved.

In one embodiment of the present application, the mounting seat 11 is preferably covered with a protective shell 13 to protect various components of the present application.

In an embodiment of the present application, preferably, the mounting seat 11 is provided with a docking protrusion 12, which facilitates docking installation of the protective shell 13.

In an embodiment of the present application, preferably, a plurality of bolt holes are further formed in the mounting seat 11, and the mounting seat 11 is fixedly mounted on the hoisting equipment through a locking screw, so that the mounting seat is stable and reliable.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A trigger structure of a position limiter is characterized in that a transmission shaft vertically penetrates through a mounting seat, the transmission shaft is sleeved with a speed reducing cylinder, a planetary speed reducing assembly is arranged between the speed reducing cylinder and the transmission shaft, the speed reducing cylinder is arranged on the mounting seat through the planetary speed reducing assembly, the mounting seat is also provided with a control module, a micro-motion button and an L-shaped elastic sheet are arranged on the end surface of the control module close to the speed reducing cylinder, the short edge of the L-shaped elastic sheet is fixedly connected with the control module, the long edge of the L-shaped elastic sheet is arranged between the inching button and the speed reducing cylinder, the end surface of the long edge close to the speed reducing cylinder is provided with a top block, the ejector block is pressed on the side wall of the speed reducing cylinder in a propping mode, a push block corresponding to the ejector block is arranged on the speed reducing cylinder, and the speed reducing cylinder is rotated to drive the push block to push the ejector block open so that the long edge presses the inching button; and a wiring terminal is arranged on the end surface of the control module, which is far away from the speed reducing cylinder.

2. The trigger structure of a stopper according to claim 1, wherein: the control module is provided with a plurality of along vertical direction.

3. The trigger structure of a stopper according to claim 2, wherein: and a partition plate is arranged between the control modules and can cover the wiring terminals.

4. The trigger structure of a stopper according to claim 2, wherein: the speed reduction cylinder is divided into a plurality of adjusting rings corresponding to the control module, each adjusting ring can rotate mutually, and each adjusting ring is also provided with a locking part.

5. The trigger structure of a stopper according to claim 4, wherein: the retaining member comprises an upper cover and a lower cover, and the upper cover is connected with the lower cover through bolts to butt and jack each adjusting ring.

6. The trigger structure of a stopper as claimed in claim 5, wherein: and the upper end surface and the lower end surface of each adjusting ring are provided with matching teeth.

7. The stopper activating structure according to claim 1, wherein: the jacking block is provided with a ground roller capable of rotating along the vertical direction, and the roller is in tangential fit with the speed reducing cylinder.

8. The stopper activating structure according to claim 7, wherein: the width of the roller is smaller than the width of the push block in the vertical direction.

9. The trigger structure of a stopper according to claim 1, wherein: and a protective shell is covered on the mounting seat.

10. The stopper activating structure according to claim 9, wherein: the installation seat is provided with a butt joint bulge.

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