CN217397794U - Novel collision-proof protection device for arm support of material taking machine - Google Patents

Abstract

The utility model relates to a novel protector is prevented bumping by reclaimer cantilever crane, its characterized in that: the universal coupling comprises a hoisting seat, a universal coupling, a tilt switch and a trigger base, wherein the hoisting seat is installed on the upper portion of the universal coupling, the trigger base is installed on the lower portion of the universal coupling, and the tilt switch is installed in the trigger base. The utility model has the advantages of simple to operate, sensitivity are high, protection multi-way nature, non-maintaining, can be from resetting, be a novel reclaimer cantilever crane prevents bumping protection device who has higher novelty.

Description

Novel collision-proof protection device for arm support of material taking machine

Technical Field

The utility model belongs to the safety device field of heavy machine relates to a protection device is prevented bumping by the cantilever crane, especially a novel protection device is prevented bumping by reclaimer cantilever crane.

Background

During the coal taking operation process of the cantilever type reclaimer, due to the fact that the visual field of an operator is limited, the potential safety hazard that the cantilever type reclaimer is in contact collision with a coal pile exists, the main steel structure of the reclaimer can be damaged, and unpredictable results are caused.

In order to solve the problems, the prior art is to install an anti-collision device below the arm support, but many existing arm support safety anti-collision devices have the defects of slow response, incapability of self-resetting, single protection direction, easiness in damage and the like. Therefore, it is needed to design a novel safety anti-collision protection device for the arm support, which can accurately, sensitively and reliably protect the arm support of the reclaimer.

Disclosure of Invention

An object of the utility model is to provide a novel protector is prevented bumping by reclaimer cantilever crane, its simple structure, easily realization can solve the touching reaction slow, unable from restoring to the throne, protection direction is single, fragile problem.

The utility model provides a its technical problem realize through following technical scheme:

the utility model provides a novel collision protection is prevented to reclaimer cantilever crane device which characterized in that: the device comprises a hoisting seat, a universal coupling, a tilt switch and a trigger base, wherein the hoisting seat is installed on the upper part of the universal coupling, the trigger base is installed on the lower part of the universal coupling, the tilt switch is installed in the trigger base, and the tilt switch is electrically connected with a material taking machine controller.

And the hoisting seat is composed of a mounting plate and a connecting steel pipe welded at the lower part of the mounting plate, the upper part of the universal coupling is connected with the connecting steel pipe, and the mounting plates at the two sides of the connecting steel pipe are provided with connecting holes.

The trigger base is composed of a mounting steel pipe and a trigger steel pipe, the lower part of the universal coupling is connected with the upper part of the mounting steel pipe, a fixed penetrating pin transversely penetrates the upper part of the mounting steel pipe, an inclined switch hung on the fixed penetrating pin is arranged in the mounting steel pipe, and the trigger steel pipe is horizontally welded on the lower part of the mounting steel pipe in a cross shape.

And the extension trigger steel pipe is sleeved on the punched trigger steel pipe and connected with the punched trigger steel pipe through a pin.

The utility model discloses an advantage and beneficial effect do:

this novel collision protection is prevented to reclaimer cantilever crane adopts four-way universal coupling from overhanging formula mode, and the cross can prolong and trigger the base as trigger mechanism, and mercury tilt switch is as the testing section, and universal coupling and tilt switch all have the steel pipe parcel to protect. Once the coal pile touches the protection device, the tilt switch can be sensitively detected, the controller stops taking the materials, and the driver can perform self-resetting by reverse operation. Compared with the traditional anti-collision protection devices, the anti-collision protection device has the advantages of convenience in installation, high sensitivity, multi-directional protection, no maintenance, self-resetting and the like. The protective device is successfully applied to a field A7Q cantilever type reclaimer, generates no error action, actually plays a protective role for several times, and successfully protects a main steel structure of the reclaimer.

Drawings

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

fig. 2 is a sectional view taken along line a-a of fig. 1.

Description of reference numerals:

1-mounting plate, 2-connecting steel pipe, 3-universal coupling, 4-mounting steel pipe, 5-fixing through pin, 6-tilt switch, 7-triggering steel pipe and 8-extending triggering steel pipe.

Detailed Description

The present invention is further described in detail below with reference to specific examples, which are intended to be illustrative only, not limiting and should not be construed as limiting the scope of the invention.

The utility model provides a novel protection is prevented bumping by reclaimer cantilever crane which innovation part lies in: comprises a hoisting seat, a universal coupling 3, an inclined switch 6 and a trigger base,

the anti-collision protection device is characterized in that a hoisting seat is arranged on the upper part of the universal coupling, the hoisting seat is composed of a mounting plate 1 and a connecting steel pipe 2 welded on the lower part of the mounting plate, the upper part of the universal coupling is connected with the connecting steel pipe, connecting holes are arranged on the mounting plates on the two sides of the connecting steel pipe, and the anti-collision protection device is arranged on a material taking machine arm support through the mounting plates;

the lower part of the universal coupling is provided with a trigger base, the trigger base is composed of an installation steel pipe 4 and a trigger steel pipe 7, the lower part of the universal coupling is connected with the upper part of the installation steel pipe, a fixed penetrating pin 5 transversely penetrates through the position close to the installation steel pipe, an inclined switch hung on the fixed penetrating pin is arranged inside the installation steel pipe, the trigger steel pipe is horizontally welded on the lower part of the installation steel pipe in a crossed manner, and the inclined switch is electrically connected with a material taking machine controller.

The length of the trigger steel pipe can be adjusted according to the type and the installation position of equipment to be installed, namely, the device further comprises an extension trigger steel pipe 8, connecting holes are formed in a group of trigger steel pipes in the same direction, and the extension trigger steel pipe is sleeved on the perforated trigger steel pipe and is connected with the perforated trigger steel pipe through a pin. According to the difference of the use requirements, the extension trigger steel pipes with different lengths are selected not to be installed or installed to increase the trigger range, so that the requirement of collision prevention protection is better met. The connection of the trigger steel pipe and the extension trigger steel pipe can also adopt a pipe hoop connection mode.

The utility model discloses it is successful to have applied on the coal first-stage dilatation 7# cantilever type reclaimer (large-scale reclaiming equipment) of Qinhuang island harbor second harbor affair branch company, uses this to introduce specific embodiment as the example below:

1. the anti-collision protection device is designed by combining the actual situation of the field:

1) selecting a DN50 steel pipe, cutting a steel pipe with the length of 80mm, perforating to form a connecting steel pipe, and fixing the upper half part of the universal coupling by a through nail;

2) cutting a 300mm long steel pipe, punching to form an installation steel pipe, and fixing the lower half part of the universal coupling through a nail;

3) punching holes on the installation steel pipe, and fixing the tilt switch by penetrating and installing a fixing penetrating pin;

4) punching a hole on the wall of the installation steel pipe, and leading out the wiring of the tilt switch; in order to prevent false operation signals generated by shaking between the tilt switch and the inner wall of the installation steel pipe caused by vibration of the reclaimer during working, foam rubber is filled between the tilt switch and the inner wall of the installation steel pipe;

5) the bottom of the installation steel pipe is welded with a trigger steel pipe in a cross manner, the total length of the trigger steel pipe in the same direction (the length of two trigger steel pipes plus the diameter of one installation steel pipe) is 500mm, and two sides of the two trigger steel pipes in the same direction are perforated for prolonging the installation of the trigger steel pipe;

6) selecting a steel pipe with the length of 800mm to form an extension trigger steel pipe, and carrying out through-nail butt joint with the trigger steel pipe punched in the step 5) to be used as a main trigger mechanism of the device.

The lengths of the trigger steel pipes in the same direction or the extension trigger steel pipes arranged on the trigger steel pipes need to be kept consistent so as to achieve the aim of dynamic balance of the trigger mechanism.

2. The installation process is as follows:

1) after field investigation, selecting a large arm counterweight bottom, a cab bottom cross beam and a large arm head, and mounting anti-collision devices at 5 positions;

2) completing the wiring work of the tilt switch, and accessing the tilt switch into a controller of the reclaimer;

3) and finishing debugging.

The main structure of the anti-collision protection device for the arm support of the material taking machine is a steel pipe, a four-way universal coupling is adopted in a self-suspension mode, the universal coupling is arranged inside the steel pipe, the lower portion of the universal coupling is connected with and mounted with the steel pipe, a tilt switch is embedded inside the universal coupling and used as a sensing detection part, a detection signal is transmitted into a controller of the material taking machine, the action of the material taking machine is controlled, the trigger steel pipe is arranged in a crossed manner, the self-suspension counterweight effect is achieved, meanwhile, the trigger mechanism of the whole device is also used, two trigger steel pipes in the forward direction of the arm support of the material taking machine are punched and used for connecting, extending and triggering the steel pipe, and the detection range of the device is expanded. The utility model discloses hoist and mount seat, universal coupling, trigger the base and the fixed round pin of wearing that use are stainless steel, play anticorrosive purpose, prolong the life of this device.

Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims (4)

1. The utility model provides a novel protection is prevented bumping by reclaimer cantilever crane which characterized in that: the universal coupling comprises a hoisting seat, a universal coupling, a tilt switch and a trigger base, wherein the hoisting seat is installed on the upper portion of the universal coupling, the trigger base is installed on the lower portion of the universal coupling, and the tilt switch is installed in the trigger base.

2. The novel collision-proof protection device for the arm support of the reclaimer as claimed in claim 1, wherein: the hoisting seat is composed of a mounting plate and a connecting steel pipe welded at the lower part of the mounting plate, the upper part of the universal coupling is connected with the connecting steel pipe, and the mounting plates at the two sides of the connecting steel pipe are provided with connecting holes.

3. The novel collision-proof protection device for the arm support of the reclaimer as claimed in claim 1, wherein: the trigger base is composed of an installation steel pipe and a trigger steel pipe, the lower portion of the universal coupling is connected with the upper portion of the installation steel pipe, a fixing penetrating pin transversely penetrates through the position, close to the installation steel pipe, of the upper portion of the installation steel pipe, an inclined switch which is hung on the fixing penetrating pin is arranged inside the installation steel pipe, and the trigger steel pipe is horizontally welded on the lower portion of the installation steel pipe in a cross mode.

4. The novel anti-collision protection device for the arm support of the reclaimer as claimed in claim 3, wherein: the steel tube punching machine is characterized by further comprising an extension trigger steel tube, wherein a group of trigger steel tubes in the same direction are provided with connecting holes, and the extension trigger steel tube is sleeved on the punched trigger steel tube and is connected with the punched trigger steel tube through a pin.

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