CN213500067U

CN213500067U - Closed aggregate discharge door

Info

Publication number: CN213500067U
Application number: CN202022131411.8U
Authority: CN
Inventors: 刘盈盈; 赵德玉; 张承兴; 刘伟; 王厚庆; 赵吉镇
Original assignee: Jinan Shitong Construction Machinery Co ltd
Current assignee: Jinan Shitong Construction Machinery Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-06-22
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a closed aggregate discharge door, which comprises a material box, a square box, a bearing with a seat, a swing arm, a proximity switch, a cylinder, a fixed seat, a material valve driving arm, a material valve door, a fisheye joint and a cross brace, when in use, a piston rod of the cylinder contracts, the cross brace is driven by the fisheye joint to deflect to one side, when the cross brace deflects, the material valve driving arm is driven by a rotating shaft to deflect, the material valve is separated from a material port of the material box, after the discharging is finished, a piston rod of the cylinder extends out, the cross brace is driven by the fisheye joint to move downwards, when the cross brace deflects, the material valve driving arm is driven by the rotating shaft to deflect, the material valve and the material port of the material box are closed, when the cross brace touches the proximity switch, the cylinder stops acting, the sealing of the material port of the material box is realized, the utility model discloses a material valve and a closed stability are effectively improved by, the situation that the material valve is not tightly closed due to the fact that the material valve is blocked by the stones and deflects is prevented.

Description

Closed aggregate discharge door

Technical Field

The utility model particularly relates to a discharge door technical field specifically is a closed aggregate discharge door.

Background

The concrete mixing plant is a combined device for intensively mixing concrete, and is also called a concrete precast yard. Because of its high degree of mechanization and automation, it has high productivity, can ensure the quality of concrete and save cement, and is commonly used in large and medium-sized water conservancy projects, electric power projects, bridges and other projects with large concrete engineering quantity, long construction period and centralized construction sites. With the development of municipal construction, the mixing plant which adopts centralized mixing and provides commercial concrete has great superiority, thereby being developed rapidly and creating conditions for promoting concrete pumping construction and realizing combined operation of mixing, conveying and pouring machines.

Along with the promotion of stirring station technique, the aggregate discharge door that uses commonly at present is the arc door, and the arc door passes through single cylinder drive, when meetting the stone card and hinder, easily leads to the skew of valve, stability when unable assurance valve is opened and close.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a closed aggregate unloads bin gate to the aggregate that proposes in solving above-mentioned background art at present is unloaded the bin gate commonly used and is the arc door, and the arc door passes through single cylinder drive, when meetting the stone jamming, easily leads to the skew of valve, can't guarantee the problem of the stability when the valve is opened and close.

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

a closed aggregate discharge door comprises a material box, a square box, a bearing with a seat, a swing arm, a cylinder and a fixed seat, wherein the material box is fixedly arranged above the square box; the two bearings with the seats are fixedly arranged on two sides of the material box; the swing arm is movably connected with the bearing with the seat through a rotating shaft; the fixing seat is fixed in the middle of the inclined edge of the material box, and the air cylinder is connected to the fixing seat through a rotating shaft.

As a further proposal of the utility model, two swing arms are adopted; the lower ends of the two swing arms are fixedly connected with a cross brace; a fisheye joint is fixed on a push rod of the cylinder; the fisheye joint is movably connected with the swing arm through a pin shaft.

As a further proposal of the utility model, one side of the square box is fixedly provided with a proximity switch; the proximity switch is arranged below the cross brace.

As a further proposal of the utility model, the inner side of the bearing with the seat is coaxially connected with a material valve driving arm; the two material valve driving arms are adopted, and the lower ends of the two material valve driving arms are fixedly provided with material valves; the material valve is matched with the material opening at the bottom of the material box.

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

the utility model discloses, in the time of using, the piston rod shrink of cylinder, it deflects to one side to drive the stull through the fisheye joint, when the stull deflects, it deflects to drive material valve actuating arm through the pivot, will expect that the valve takes place to separate with the material mouth of workbin, unload and finish the back, the piston rod of cylinder stretches out, it moves down to drive the stull through the fisheye joint, when the stull deflects, it deflects to drive material valve actuating arm through the pivot, it is closed with the material mouth of workbin to expect the valve, when proximity switch was touched in the stull, the cylinder stop action, the closure of the material mouth of workbin has been realized, the utility model discloses a two swing arms and two material valve actuating arms cooperate simultaneously, the effectual stability that improves material valve and material mouth closure, the effectual material valve that prevents appears the slope because of the card of stone and lead to closed not tight circumstances.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a schematic diagram of the local enlarged structure of the present invention.

In the figure: 1-material box, 2-square box, 3-seated bearing, 4-swing arm, 5-proximity switch, 6-air cylinder, 7-fixed seat, 8-material valve driving arm, 9-material valve, 10-fisheye joint and 11-cross brace.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, a closed aggregate discharging door includes a material box 1, a square box 2, a bearing with a seat 3, a swing arm 4, a cylinder 6 and a fixing seat 7, wherein the material box 1 is fixedly installed above the square box 2; two bearings 3 with seats are adopted and fixedly arranged on two sides of the material box 1; the swing arm 4 is movably connected with the bearing with a seat 3 through a rotating shaft; the fixing seat 7 is fixed in the middle of the inclined edge of the material box 1, and the fixing seat 7 is connected with a cylinder 6 through a rotating shaft.

Two swing arms 4 are adopted; the lower ends of the two swing arms 4 are fixedly connected with a cross brace 11; a fisheye joint 10 is fixed on a push rod of the cylinder 6; the fisheye joint 10 is movably connected with the swing arm 4 through a pin shaft.

A proximity switch 5 is fixedly arranged on one side of the square box 2; the proximity switch 5 is arranged below the cross brace 11.

The inner side of the bearing with a seat 3 is coaxially connected with a material valve driving arm 8; the two material valve driving arms 8 are adopted, and the lower ends of the two material valve driving arms 8 are fixedly provided with material valves 9; the material valve 9 is matched with a material port at the bottom of the material box 1.

The utility model discloses a theory of operation is: when in use, the piston rod of the cylinder 6 is contracted, the cross brace 11 is driven to deflect to one side through the fisheye joint 10, and when the cross brace 11 deflects, the material valve driving arm 8 is driven by the rotating shaft to deflect, the material valve 9 is separated from the material opening of the material box 1, after the material is discharged, the piston rod of the cylinder 6 extends out, the cross brace 11 is driven to move downwards through the fisheye joint 10, the cross brace 11 drives the material valve driving arm 8 to deflect through the rotating shaft while deflecting, the material valve 9 and the material opening of the material box 1 are closed, when proximity switch 5 was touched to stull 11, cylinder 6 stopped the action, had realized the closure of workbin 1's material mouth, the utility model discloses a two swing arms 4 and two material valve actuating arms 8 cooperate simultaneously, the effectual stability that improves material valve 9 and material mouth closure, the effectual material valve 9 that prevents appears the incline because of the card of stone hinders and leads to the closed not tight condition to appear.

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

1. The utility model provides a closed aggregate discharge door which characterized in that: the automatic feeding device comprises a feeding box (1), a square box (2), a bearing (3) with a seat, a swing arm (4), a cylinder (6) and a fixed seat (7), wherein the feeding box (1) is fixedly arranged above the square box (2); the two bearings (3) with the seats are fixedly arranged on two sides of the material box (1); the swing arm (4) is movably connected with the bearing (3) with the seat through a rotating shaft; the fixing seat (7) is fixed in the middle of the inclined edge of the material box (1), and the fixing seat (7) is connected with a cylinder (6) through a rotating shaft.

2. The enclosed aggregate discharge door of claim 1, wherein: two swing arms (4) are adopted; the lower ends of the two swing arms (4) are fixedly connected with cross braces (11); a fisheye joint (10) is fixed on a push rod of the cylinder (6); the fisheye joint (10) is movably connected with the swing arm (4) through a pin shaft.

3. The enclosed aggregate discharge door of claim 2, wherein: a proximity switch (5) is fixedly arranged on one side of the square box (2); the proximity switch (5) is arranged below the cross brace (11).

4. The enclosed aggregate discharge door of claim 3, wherein: the inner side of the bearing (3) with the seat is coaxially connected with a material valve driving arm (8); the two material valve driving arms (8) are adopted, and the lower ends of the two material valve driving arms (8) are fixedly provided with material valve doors (9); the material valve (9) is matched with a material port at the bottom of the material box (1).