CN211998632U - Anti-falling mechanism and doffing cart with same - Google Patents

Abstract

The utility model discloses an anti-falling mechanism and a cylinder dropping vehicle with the same, wherein the anti-falling mechanism comprises a base and a support upright post, and the base is slidably arranged on the support upright post; the connecting piece is a toothed plate meshed with the synchronous belt; the side edge of the supporting upright post is provided with a long slotted hole, and one side of the long slotted hole is provided with a swinging bolt matched with the long slotted hole; one side of the swing bolt is connected with a pull rod capable of driving the swing bolt to rotate, one end of the pull rod is provided with a swing plate, the swing plate is rotatably installed on the base and is connected with the toothed plate through a traction rope, and a torsion spring is arranged at the connection position of the swing plate and the base; the doffing cart comprises the anti-falling mechanism. The utility model discloses a prevent weighing down mechanism is through setting up the prevent weighing down mechanism that comprises parts such as pinion rack, wobble plate, pull rod and swing bolt, when the hold-in range produced the fracture, the swing bolt can stretch into support post's slotted hole to avoid the base to continue the tenesmus, played the effect of preventing weighing down.

Description

Anti-falling mechanism and doffing cart with same

Technical Field

The utility model relates to a safety protection field specifically is an anti-falling mechanism and have this anti-falling mechanism's a section of thick bamboo car that falls.

Background

The doffing cart is a common device in a spinning workshop, and is lifted and lowered in the running process, and is generally driven by a synchronous belt assembly. And when the synchronous emergence fracture, the doffer car will be because gravity tenesmus, easily leads to the emergence of incident, for solving this problem, the utility model provides a prevent weighing down mechanism.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent weighing down mechanism and have this prevent weighing down mechanism's a section of thick bamboo car that falls to solve above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme:

an anti-falling mechanism comprises a base and a supporting upright post, wherein the base is slidably arranged on the supporting upright post; a lifting motor is installed at the top of the supporting upright post, a synchronous belt wheel is fixed at the shaft extension end of the lifting motor, a synchronous belt matched with the synchronous belt wheel is arranged on the periphery of the synchronous belt wheel, and the synchronous belt is connected with the base through a connecting piece; the connecting piece is a toothed plate meshed with the synchronous belt, and the toothed plate is rotatably arranged on the base and is connected with the base through a pressure spring; the side edge of the supporting upright post is provided with a long slotted hole, one side of the long slotted hole is provided with a swinging bolt matched with the long slotted hole, and the swinging bolt is rotatably connected to the base; one side of the swing bolt is connected with a pull rod capable of driving the swing bolt to rotate, the pull rod is elastically connected to the base through a spring which is sleeved on the periphery of the pull rod, a swing plate is arranged at one end of the pull rod, the swing plate is rotatably installed on the base and is connected with the toothed plate through a traction rope, a torsional spring is arranged at the joint of the swing plate and the base, and when the toothed plate and the synchronous belt are meshed, the swing plate supports the pull rod.

In a further aspect: the supporting upright posts are provided with guide rails arranged along the length direction of the supporting upright posts, the base is provided with guide wheels matched with the guide rails, and the guide wheels are in rolling fit with the guide rails.

In a further aspect: and a step surface is integrally formed at one end of the pull rod matched with the swinging plate.

In a further aspect: the base is further provided with an electromagnetic falling protector, the electromagnetic falling protector is provided with a bolt matched with the long slotted hole, the electromagnetic falling protector is electrically connected with a limit switch of the monitoring synchronous belt, and when the limit switch monitors that the synchronous belt is broken, the bolt of the electromagnetic falling protector stretches out and is inserted into the long slotted hole.

A doffing cart comprises a doffing cart body and the anti-falling mechanism, wherein the doffing cart body is arranged on a base.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the anti-falling mechanism of the utility model is provided with the anti-falling mechanism consisting of the toothed plate, the swing plate, the pull rod, the swing bolt and other components, when the synchronous belt is broken, the swing bolt can extend into the long slotted hole of the supporting upright post, thereby avoiding the base from continuously falling and playing the role of anti-falling; by arranging the electromagnetic falling protector and the limit switch matched with the electromagnetic falling protector, when the synchronous belt is broken, the bolt of the electromagnetic falling protector can also extend into the long slotted hole of the supporting upright post to play a role in falling prevention; through the cooperative matching of the mechanical structure and the electromagnetic structure, the anti-falling effect is greatly improved, and the reliability of the whole mechanism is improved; the doffing cart using the anti-falling mechanism can effectively improve the safety of equipment operation and prevent safety accidents.

Drawings

FIG. 1 is a schematic structural view of a fall arrest structure.

Fig. 2 is a schematic view of the structure in the direction B of fig. 1.

Fig. 3 is a schematic view of the structure in the direction B of fig. 2.

Fig. 4 is a partially enlarged schematic view of fig. 2.

Fig. 5 is a partially enlarged schematic view of fig. 3.

3 fig. 3 6 3 is 3 a 3 schematic 3 structural 3 view 3 of 3 a 3- 3 a 3 in 3 fig. 3 5 3. 3

Notations for reference numerals: the device comprises a base 1, a support upright 2, a guide rail 3, a guide wheel 4, a lifting motor 5, a synchronous belt wheel 6, a synchronous belt 7, a toothed plate 8, a pressure spring 9, a swinging plate 10, a traction rope 11, a torsion spring 12, a pull rod 13, a swinging bolt 14, a spring 15, an electromagnetic falling protector 16 and a limit switch 17.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

Example 1

Referring to fig. 1 to 6, in an embodiment of the present invention, an anti-falling mechanism includes a base 1 and a supporting column 2, wherein the base 1 is slidably mounted on the supporting column 2; lifting motor 5 is installed at the top of support post 2, and lifting motor 5's axle extension end is fixed with synchronous pulley 6, and synchronous pulley 6's periphery is provided with rather than matched with hold-in range 7, and hold-in range 7 passes through the connecting piece to be connected with base 1, and during the operation, drives hold-in range 7 by lifting motor 5 and removes to realize the lift of base 1.

The connecting piece is the pinion rack 8 with the meshing of hold-in range 7, and pinion rack 8 rotates and sets up on base 1 and is connected with base 1 through pressure spring 9, and when hold-in range 7 broke, pinion rack 8 can swing towards the outside under the effect of pressure spring 9 like this.

A long slotted hole is formed in the side edge of the supporting upright post 2, a swinging bolt 14 matched with the long slotted hole is arranged on one side of the long slotted hole, and the swinging bolt 14 is rotatably connected to the base 1; one side of the swing bolt 14 is connected with a pull rod 13 capable of driving the swing bolt to rotate, the pull rod 13 is elastically connected to the base 1 through a spring 15 sleeved on the periphery of the pull rod 13, one end of the pull rod 13 is provided with a swing plate 10, the swing plate 10 is rotatably installed on the base 1 and is connected with the toothed plate 8 through a traction rope 11, a torsion spring 12 is arranged at the joint of the swing plate 10 and the base 1, when the toothed plate 8 is meshed with the synchronous belt 7, the swing plate 10 supports the pull rod 13, namely, in a normal state, the swing plate 10 supports the pull rod 13, the pull rod 13 pulls the swing bolt 14 to keep a separation state with the slotted hole, so that normal lifting of the base 1 cannot be influenced, when the synchronous belt 7 is broken, the toothed plate 8 swings towards the outer side under the action of a compression spring 9, meanwhile, the toothed plate 8 pulls the swing plate 10 through the traction rope 11 to separate from the pull rod 13, the pull rod 13 loses support and then quickly descends under the, thereby driving the swinging bolt 14 to swing to enable the head of the swinging bolt to enter the slotted hole, thereby preventing the base 1 from continuously descending and playing the role of preventing falling.

The concrete sliding connection structure between the base 1 and the support upright 2 is not limited, in the embodiment, the support upright 2 is provided with the guide rail 3 arranged along the length direction of the support upright, the base 1 is provided with the guide wheel 4 matched with the guide rail 3, and the guide wheel 4 is matched with the guide rail 3 in a rolling manner, so that the moving resistance between the base 1 and the support upright 2 can be reduced, and the lifting of the base 1 is smoother.

The support structure of the pull rod 13 is not limited by the swing plate 10, in this embodiment, a step surface is integrally formed at one end of the pull rod 13, which is matched with the swing plate 10, and the swing plate 10 is fastened on the step surface in a normal state, so that the pull rod 13 is supported.

In order to further improve the anti-falling effect, in this embodiment, an electromagnetic anti-falling device 16 is further installed on the base 1, the electromagnetic anti-falling device 16 has a bolt matched with the long slot hole, the electromagnetic anti-falling device 16 is electrically connected with a limit switch 17 associated with the monitoring synchronous belt 7, when the limit switch 17 monitors that the synchronous belt 7 is broken, the bolt of the electromagnetic anti-falling device 16 extends out and is inserted into the long slot hole, so that the electromagnetic anti-falling device can be matched with the mechanical structure to prevent falling together.

In summary, in the embodiment, by providing the anti-falling mechanism composed of the toothed plate 8, the swing plate 10, the pull rod 13, the swing bolt 14 and the like, when the synchronous belt 7 is broken, the swing bolt 14 can extend into the slotted hole of the support column 2, so that the base 1 is prevented from continuously falling, and the anti-falling function is achieved; by arranging the electromagnetic falling protector 16 and the limit switch 17 matched with the electromagnetic falling protector, when the synchronous belt 7 is broken, the bolt of the electromagnetic falling protector 16 can also extend into the long slotted hole of the support upright post 2 to play a role in falling prevention; through the cooperation of the mechanical structure and the electromagnetic structure, the anti-falling effect is greatly improved, and the reliability of the whole mechanism is improved.

Example 2

The embodiment of the utility model provides an in, a doffing car, including doffing car main part and as example 1 prevent weighing down the mechanism, the doffing car main part that falls is installed on base 1, has used the above-mentioned doffing car of preventing weighing down the mechanism, can effectively improve the security of equipment operation, prevent to take place the incident.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. An anti-falling mechanism comprises a base (1) and a support upright post (2), wherein the base (1) is slidably arranged on the support upright post (2); a lifting motor (5) is installed at the top of the supporting upright post (2), a synchronous belt wheel (6) is fixed at the shaft extension end of the lifting motor (5), a synchronous belt (7) matched with the synchronous belt wheel is arranged on the periphery of the synchronous belt wheel (6), and the synchronous belt (7) is connected with the base (1) through a connecting piece;

the device is characterized in that the connecting piece is a toothed plate (8) meshed with the synchronous belt (7), and the toothed plate (8) is rotatably arranged on the base (1) and is connected with the base (1) through a pressure spring (9); a long slotted hole is formed in the side edge of the supporting upright post (2), a swinging bolt (14) matched with the long slotted hole is arranged on one side of the long slotted hole, and the swinging bolt (14) is rotatably connected to the base (1); one side of swing bolt (14) is connected with and drives its pivoted pull rod (13), and pull rod (13) are located its outlying spring (15) elastic connection in base (1) through the cover, and the one end of pull rod (13) is provided with balance plate (10), and balance plate (10) rotate to be installed on base (1) and be connected with pinion rack (8) through haulage rope (11), and the junction of balance plate (10) and base (1) is provided with torsional spring (12), and when pinion rack (8) and hold-in range (7) meshing, balance plate (10) support pull rod (13).

2. The fall arrest mechanism according to claim 1, characterized in that the support column (2) is provided with a guide rail (3) running along its length, the base (1) is provided with a guide wheel (4) adapted to the guide rail (3), and the guide wheel (4) is in rolling engagement with the guide rail (3).

3. The fall arrest mechanism according to claim 2, characterized in that the end of the pull rod (13) that is engaged with the wobble plate (10) is integrally formed with a step surface.

4. The fall arrest mechanism according to claim 3, characterized in that an electromagnetic fall arrester (16) is further mounted on the base (1), the electromagnetic fall arrester (16) having a pin for engaging with the slotted hole, the electromagnetic fall arrester (16) being electrically connected to a limit switch (17) associated with the monitoring timing belt (7), the pin of the electromagnetic fall arrester (16) extending out and being inserted into the slotted hole when the limit switch (17) detects a breakage of the timing belt (7).

5. A doffer cart comprising a doffer cart body, characterized in that it further comprises a fall arrest mechanism according to any one of claims 1 to 4, said doffer cart body being mounted on a base (1).

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