CN2782637Y

CN2782637Y - Open/close device for hoist

Info

Publication number: CN2782637Y
Application number: CN 200520070269
Authority: CN
Inventors: 高进贤
Original assignee: YANGZHOU SHENLI LIFTING TOOLS MANUFACTURING Co Ltd
Current assignee: YANGZHOU SHENLI LIFTING TOOLS MANUFACTURING Co Ltd
Priority date: 2005-03-29
Filing date: 2005-03-29
Publication date: 2006-05-24
Anticipated expiration: 2015-03-29

Abstract

The utility model discloses an opening and closing device for hoisting tools in the technical field of a hoisting tool, which comprises a guide bushing, wherein the inner top of the guide bushing is provided with a fixing clamp of which the lower part is provided with a movable clamp; the fixing and the movable clamps are provided with wave-shaped main guide surfaces which are matched along the circumference direction; the period of the wave-shaped main guide surface is a 90 DEG angle; the movable clamp which is positioned at the lower part of the main guide surface is provided with an auxiliary guide surface of which the period is a 90 DEG angle; wave peaks and wave troughs of the auxiliary and the main guide surfaces are arranged in a staggered form; a guide pin is arranged in the guide bushing. When the movable clamp falls down, the guide pin can drive the wave peaks of the movable clamp to go over the wave troughs of the fixing clamp. The guide pin is arranged on the lower side of the auxiliary guide surface and is inwards bulged along the radial direction of the guide bushing. The lower end of the movable clamp is provided with a T-shaped block which is stretched out of the end surface of the guide bushing. The lower part of the T-shaped clamping block is provided with a shutting and opening port which is adapted to the T-shaped clamping block. The utility model can apply to various hoisting tools, has no need of on site auxiliary operation by people and can make hoisting tools apply to a high temperature place, a toxic place, a radioactivity place, an over cold place, etc.

Description

The suspender switch circuit controller

Technical field

The utility model relates to a kind of suspender, particularly the device of control suspender opening and closing movement.

Background technology

In the prior art, a kind of switch circuit controller that is applied on the clamp-type suspender is arranged, comprise and being provided with on the two pivotally attached movement arms, be hinged with the connecting rod that the other end is provided with recess on wherein any movement arm, corresponding another movement arm is provided with the set pin suitable with recess, connecting rod is arranged on the set pin upside, when unloading goods, along with transferring of suspender, it is big that the angle between two movement arms becomes, set pin is moved along the connecting rod direction, when set pin moved to indent, set pin snapped in the recess, movement arm can be locked, thereby make suspender be in open configuration, during lifting, manually throw off connecting rod and set pin, angle diminishes two movement arms with lifting, suspender can oneself be locked goods, and connecting rod is in the set pin upside; Its weak point is: the switch circuit controller of this structure the time needs the people manually to operate in lifting, is not suitable for using, radiation poisonous at environment, crosses personnel such as cold or overheated and be difficult to close place, as lift by crane the steel billet etc. of heat.

The utility model content

The purpose of this utility model provides the suspender switch circuit controller that can overcome above-mentioned defective, and it can be opened and closed voluntarily, need not personnel's M/C, and the folding of may command suspender.

The purpose of this utility model is achieved in that a kind of suspender switch circuit controller, comprise guide thimble, the guide thimble inner top is provided with a fixed card, the fixed card below is provided with an active card, described fixed card and active card upper edge be circumferential be provided with suitable, cycle is the waveform master spigot surface at 90 ° of angles, be positioned at the leading auxiliary spigot surface that the cycle is 90 ° of angles that below face, is provided with on the active card, the crest and the trough of described auxiliary spigot surface and main spigot surface are crisscross arranged, be provided with in the guide thimble when fixed card rises and order about the guide finger that the active card crest is crossed the fixed card trough, described guide finger is arranged at auxiliary spigot surface downside and along guide thimble inwardly protruding radially, the lower end of active card is provided with the T shape fixture block that stretches out in the guide thimble end face, T shape fixture block below be provided with T shape fixture block suitable actuate mouth.

During the utility model work, active card can be along the guide thimble up-and-down movement, simultaneously, also can rotate, during the guide thimble in tension, active card is positioned at the next, the T head is with to actuate mouthful cross staggered and hook and actuate mouth, when guide thimble descended, under main spigot surface effect, active card turned over certain angle, when guide thimble rises, the fixed card upward movement breaks away from active card, and auxiliary spigot surface contacts with guide finger, under auxiliary spigot surface effect, active card turns an angle, make the active card crest cross the fixed card trough, get ready for main spigot surface work next time, above-mentioned twice rotation can make active card turn over 90 ° of angles, corresponding T shape head also turns over 90 ° of angles, make former XianCheng cross staggered and hook the T shape head that actuates mouthful and become and actuate mouthful parallelly, guide thimble continues to rise T shape head mouthful is broken away from actuating, and finishes a lifting and moves; Guide thimble moves once more, then can finish a unloading action, in T shape head enters once more and actuates mouthful and turn over 90 ° of angles and to actuate mouthful cross staggered and hook and actuate mouth.From above-mentioned working process as can be seen, realization actuates mouth and T shape head is thrown off and only hooked and need can realize by the up-and-down movement guide thimble, guide thimble is connected with hoist cable, utilize suspender to grasp and unload and put the up-and-down movement that action realizes guide thimble, need not personnel on-the-spot non-productive operation, it can be applied on the multiple suspender, as grab bucket, tong-like suspender etc., these suspender field of applications are relaxed greatly, can be applicable to high temperature, poisonous, radiation, personnel such as cold excessively and be difficult to the abominable place of close operating mode.

Good for active card is rotated, described guide finger is symmetrically arranged with two.Guide finger is when ordering about the active card rotation, and the two sides spigot surface with symmetry has been avoided the appearance of jam situation.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2-Fig. 7 is the action flow chart after active card, fixed card and guide pin plane are launched;

Wherein, 1 fixed card, 2 guide thimbles, 3 guide fingers, 4 active card, 5 actuate mouth, 6T shape head, 7 main spigot surfaces, 8 auxiliary spigot surfaces.

The specific embodiment

As figure, a kind of suspender switch circuit controller, comprise guide thimble 2, guide thimble 2 inner tops are provided with a fixed card 1, fixed card 1 below is provided with an active card 4, described fixed card 1 and active card 4 upper edges are circumferential be provided with suitable, cycle is the waveform master spigot surface 7 at 90 ° of angles, be positioned on the active card 4 to dominate and be provided with the auxiliary spigot surface 8 that the cycle is 90 ° of angles to face 7 belows, the crest and the trough of described auxiliary spigot surface 8 and main spigot surface 7 are crisscross arranged, promptly the crest of auxiliary spigot surface is than the crest phase delay of main spigot surface, and the trough of auxiliary spigot surface is than the trough leading in phase of main spigot surface; Be provided with the crest that when active card 4 falls, can order about active card 4 in the guide thimble 2 and cross the guide finger 3 of the trough of fixed card 1, when active card 4 is positioned at top dead point, guide finger 3 is positioned at the downside of the trough of auxiliary spigot surface 8, its phase place lags behind the phase place of the trough of pairing auxiliary spigot surface 8, phase difference between the crest on guide finger 3 and the cooresponding auxiliary spigot surface is greater than the crest of main spigot surface 7 and the phase difference between next trough, simultaneously, guide finger 3 to the diff-H of the crest of auxiliary spigot surface 8 greater than the crest of main spigot surface 7 and the diff-H between the trough, this makes that guide finger 3 can drive the crest of active card 4 and cross the trough of fixed card 1 when guide thimble 2 rose; Described guide finger 3 is arranged at auxiliary spigot surface 8 downsides and along guide thimble 2 inwardly protruding radially, the lower end of active card 4 is provided with the T shape fixture block that stretches out in guide thimble 2 end faces, T shape fixture block below be provided with T shape fixture block suitable actuate mouthfuls 5, promptly actuate mouth and comprise a breach that section is also T-shaped, T shape fixture block can actuate in the mouth with actuating mouthful to parallel to enter, enter back T shape fixture block and rotate 90 ° of angles, then can hook and actuate mouth.

During the utility model work, active card 4 can be along guide thimble 2 up-and-down movements, simultaneously, also can rotate, during guide thimble 2 in tension, active card 4 is positioned at the next, the T head is with to actuate mouthful 5 crosses staggered and hook and actuate mouthful 5 (represented as dotted line among Fig. 1), when guide thimble 2 descends, under main spigot surface 7 effects, active card 4 turns over certain angle, make active card and fixed card match (as Fig. 2), when guide thimble 2 rises, fixed card 1 upward movement breaks away from active card 4 (as Fig. 3), auxiliary spigot surface 8 contacts (as Fig. 4) with guide finger 3, under auxiliary spigot surface 8 effects, active card 4 turns an angle, make active card 4 crests cross fixed card 1 trough (as Fig. 5), for next time main spigot surface 7 get ready, above-mentioned twice rotation can make active card 4 turn over 90 ° of angles, and corresponding T shape 6 also turns over 90 ° of angles, makes former XianCheng cross staggered and hook and actuate mouthfuls 5 T shape 6 and become with to actuate mouth 5 parallel, guide thimble 2 continues to rise and just can make T shape 6 and actuate mouthfuls 5 and break away from, and finishes a lifting action; Guide thimble 2 moves downward, under main spigot surface 7 effects, active card 4 is rotated (as Fig. 6), make next crest of the crest of active card and fixed card match (as Fig. 7), then can finish a unloading action, T shape 6 enters once more and actuates in mouthfuls 5, and turns over 90 ° of angles and to actuate mouthful 5 crosses staggered and hook and actuate mouthfuls 5.

Claims

1, the suspender switch circuit controller, it is characterized in that: comprise guide thimble, the guide thimble inner top is provided with a fixed card, the fixed card below is provided with an active card, described fixed card and active card upper edge be circumferential be provided with suitable, cycle is the waveform master spigot surface at 90 ° of angles, be positioned at the leading auxiliary spigot surface that the cycle is 90 ° of angles that below face, is provided with on the active card, the crest and the trough of described auxiliary spigot surface and main spigot surface are crisscross arranged, be provided with in the guide thimble when fixed card rises and order about the guide finger that the active card crest is crossed the fixed card trough, described guide finger is arranged at auxiliary spigot surface downside and along guide thimble inwardly protruding radially, the lower end of active card is provided with the T shape fixture block that stretches out in the guide thimble end face, T shape fixture block below be provided with T shape fixture block suitable actuate mouth.

2, suspender switch circuit controller according to claim 1 is characterized in that: described guide finger is symmetrically arranged with two.