CN209291858U - A kind of Anti-over-hoisting device of electric block - Google Patents

Abstract

A kind of Anti-over-hoisting device of electric block, including driving, wheel, suspension hook, circuit fire stop and the steel cable being around on wheel, the circuit fire stop lower end is provided with trigger switch, suspension hook is connected on the steel cable, it is internal that the wheel is set to driving, one group of distance-sensor is oppositely arranged on the driving lower end and suspension hook, bracket is fixedly connected on the right side of the driving lower end, the bracket is connected with limit actuating strut by bearing, the limit actuating strut is connected with connecting rod by bearing, the connecting rod top is connected in the trigger switch of circuit fire stop lower end.

Description

A kind of Anti-over-hoisting device of electric block

Technical field

The utility model relates to a kind of crane equipment, specially a kind of Anti-over-hoisting device of electric block.

Background technique

Limiter is a kind of safety device in order to protect machine and its user, is common on automobile and crane.It rises Weight limitor: also referred to as overload limiter, be it is a kind of can make crane will not overload operation safety device, when hoist is more than When rated load weight, it can automatically shut off the power supply parking of hoisting mechanism or sound an alarm.Lifting limiter have it is mechanical and Two kinds of electronic type.Crane is widely used in the places such as industrial and mining enterprises, warehousing wharf, may inevitably go out in use Existing operation error, therefore the utility model provides a kind of Novel stop block.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of limiting device, and structure is simple, phase Maintenance should be conducive in time, emergency plan be added, safety guarantee is more comprehensively.

The utility model achieves the above object through the following technical schemes:

The utility model discloses a kind of Anti-over-hoisting device of electric block, including driving, wheel, suspension hook, cutoff limits Device and the steel cable being around on wheel, the circuit fire stop lower end is provided with trigger switch, is connected with and hangs on the steel cable Hook, the wheel are set to driving inside, are oppositely arranged one group of distance-sensor, the driving on the driving lower end and suspension hook Bracket is fixedly connected on the right side of lower end, the bracket is connected with limit actuating strut by bearing, and the limit actuating strut is logical It crosses bearing and is connected with connecting rod, the connecting rod top is connected in the trigger switch of circuit fire stop lower end.

Further, fixing piece is provided on the right side of the bracket and fixing piece upper end is fixedly connected with driving bottom righthand side, institute It states and is provided with a vertical empty slot on fixing piece, the empty slot, the connecting rod top setting are passed through on the right side of the limit actuating strut There is a T shape attachment device, the T shape attachment device upper end is inside trigger switch.

The utility model structure is simple, corresponding to be conducive to maintenance in time, emergency plan is added, safety guarantee is more comprehensively.

Detailed description of the invention

Fig. 1 is the utility model structure diagram；

Fig. 2 is this practical partial structural diagram.

In figure, 1, driving；2, wheel；3, suspension hook；4, circuit fire stop；5, steel cable；6, trigger switch；7, distance perception is answered Device；8, bracket；9, limit actuating strut；10, connecting rod；11, fixing piece；12, T shape attachment device.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Fig. 1-2, the utility model discloses a kind of Anti-over-hoisting device of electric block, including driving 1, wheels 2, suspension hook 3, circuit fire stop 4 and the steel cable 5 being around on wheel 2,4 lower end of circuit fire stop is provided with trigger switch 6, institute It states and is connected with suspension hook 3 on steel cable 5, the wheel 2 is set to inside driving 1, opposite on 1 lower end of the driving and suspension hook 3 One group of distance-sensor 7 is set, is fixedly connected with bracket 8 on the right side of 1 lower end of the driving, the bracket 8 is connected by bearing activity It is connected to limit actuating strut 9, the limit actuating strut 9 is connected with connecting rod 10 by bearing, and 10 top of connecting rod is connected to In the trigger switch 6 of 4 lower end of circuit fire stop, fixing piece 11 and 11 upper end of fixing piece and driving 1 are provided on the right side of the bracket 8 Bottom righthand side is fixedly connected, and a vertical empty slot is provided on the fixing piece 11, passes through the sky on the right side of the limit actuating strut 9 Slot, 10 top of connecting rod are provided with a T shape attachment device 12, and 12 upper end of T shape attachment device is in trigger switch 6 Portion, the distance-sensor are electrically connected with control chip, and the control chip and circuit fire stop 4 are electrically connected, the utility model Structure it is simple, it is corresponding to be conducive to maintenance in time, emergency plan is added, when trigger switch breaks down, distance-sensor is real-time Monitoring induction, and pass through the emergency processing of control chip realization cutoff.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (2)

1. a kind of Anti-over-hoisting device of electric block, it is characterised in that: including driving (1), wheel (2), suspension hook (3), cutoff limit Position device (4) and the steel cable (5) that is around on wheel (2), and circuit fire stop (4) lower end is provided with trigger switch (6), the steel It is connected with suspension hook (3) on rope (5), the wheel (2) is set to driving (1) inside, driving (1) lower end and suspension hook (3) it is oppositely arranged one group of distance-sensor (7) on, is fixedly connected with bracket (8), the bracket on the right side of described driving (1) lower end (8) it is connected with limit actuating strut (9) by bearing, the limit actuating strut (9) is connected with connecting rod by bearing (10), connecting rod (10) top is connected in the trigger switch (6) of circuit fire stop (4) lower end.

2. a kind of Anti-over-hoisting device of electric block as described in claim 1, it is characterised in that: it is set on the right side of the bracket (8) It is equipped with fixing piece (11) and fixing piece (11) upper end is fixedly connected with driving (1) bottom righthand side, be provided on the fixing piece (11) One vertical empty slot, limit actuating strut (9) right side pass through the empty slot, and connecting rod (10) top is provided with T shape company Connection device (12), the T shape attachment device (12) upper end are internal embedded in trigger switch (6).