CN205301065U - Coke dropping strength testing machine - Google Patents

Abstract

The utility model provides a coke dropping strength testing machine, including setting up the promotion support that is falling down bench side and install sample case and the chamber door control mechanism on promoting the support during constitutes, chamber door control mechanism includes two rhizophore poles, automatic mechanism and the automatic mechanism of opening the door of locking a door, and two rhizophore poles are on a parallel with sample bottom of the case portion to be fixed respectively on two door leafs to opening the door the door -hinge that opens the door, voluntarily it includes U type guide rail and two locking arms to lock a door the mechanism, U type guide rail is fixed on the support body that promotes the support and is lain in the below of two rhizophore poles, the well upper portion of two locking arms is connected through the pivot and the lateral wall of sample case, and the middle part is connected through the extension spring, and the latch hook of lower extreme is corresponding with two rhizophore poles respectively. The utility model discloses utilize chamber door control mechanism self -closing and open the chamber door of sample case, not only reduced testing personnel's intensity of labour, eliminated the potential safety hazard, improved the switching speed of sample chamber door moreover, guaranteed the accuracy of test result.

Description

A kind of coke drop strength testing machine

Technical field

The utility model relates to the coke dropping strength test device that a kind of sample chamber door can open and close automatically, belongs to technical field of measurement and test.

Background technology

Coke drop strength testing machine is a kind of for measuring the equipment of foundry coke and smelter coke drop strength. According to the regulation in National Standard of the People's Republic of China GB/T4511.2-1999 " coke drop strength assay method ", coke drop testing machine mainly comprises sample case, lifting bracket, falls platform and automaton etc.

Sample case: can be mentioned or be put down by the pulley on lifting bracket and steel wire rope, be clamshell doors at the bottom of whole case, and suitable bolt is installed, in the time of the position of high 1830 millimeters, clamshell doors can be opened rapidly.

Fall platform: surrounding is equipped with coaming plate, front coaming plate is movable, and all the other coaming plates are fixed.

Lifting bracket: pulley, steel wire rope and automaton are installed in top, sample case can be mentioned to 1830 millimeters of height, also can be down to 460 millimeters of above any height.

When test, put sample into sample case, it is the height of 1830 millimeters that sample case is risen at the bottom of case from falling platform vertical range, and the door of sample case bottom is opened rapidly, and sample is fallen and fallen on platform. Then sample case is dropped at the bottom of case from falling 460 millimeters of places of platform, close the door of sample case bottom. Repeat above-mentioned steps 4 times, the square hole screen screening by the sample obtaining with 50 millimeters × 50 millimeters, weighing be greater than the coke of 50 millimeters and with the comparison of sample total amount, obtain drop strength index.

Existing coke drop strength testing machine exists following defect: the case bottom door of sample case is connected with casing by hinge, while closing, use common door padlock fixed, when test, need opening and closing knocker manually, not only complex operation, and there is certain danger. In addition, due to manual operation cannot guard box bottom door opening speed, reduced the accuracy of result of the test.

Utility model content

The purpose of this utility model is the drawback for prior art, and a kind of coke drop strength testing machine that can automatically open and close sample case case bottom door is provided, and with short form test operating process, eliminates the potential safety hazard existing in switch gate process.

Problem described in the utility model realizes with following technical proposals:

A kind of coke drop strength testing machine, formation comprises being arranged on and falls the lifting bracket of platform top and be arranged on sample case and the chamber door controlling organization on lifting bracket, described chamber door controlling organization comprises two pressure pins, automatic lock door mechanism and automatic door-opening mechanism, and two pressure pins are parallel to the door-hinge of sample case bottom clamshell doors and are separately fixed on two door leafs of clamshell doors; Described automatic lock door mechanism comprises U-shaped guide rail and two hammerlocks, and described U-shaped guide rail is fixed on the support body of lifting bracket and is positioned at the below of two pressure pins; The middle and upper part of two hammerlocks is connected with the sidewall of sample case by rotating shaft, and middle part connects by extension spring, and the latch hook of lower end is corresponding with two pressure pins respectively.

Above-mentioned coke drop strength testing machine, described automatic door-opening mechanism comprises the push rod of unblanking, push rod and sleeve and pressing plate, described push rod and sleeve is vertically fixed on the sidewall of sample case, the described push rod of unblanking is through in push rod and sleeve and with push rod and sleeve and is slidably connected, and the upper end of the push rod of unblanking is corresponding with the block on the support body of lifting bracket; Described pressing plate is horizontally fixed on the lower end of the push rod of unblanking, and the lower surface of pressing plate is pressed on the roller of two hammerlock upper ends.

Above-mentioned coke drop strength testing machine, described automatic lock door mechanism and automatic door-opening mechanism all arrange two covers, and their symmetries are arranged on the both sides of sample case.

Above-mentioned coke drop strength testing machine, described U-shaped guide rail arranges two, and they are corresponding with the two ends of pressure pin respectively, are equipped with and two directive wheels that U-shaped guide rail is corresponding on every pressure pin.

The utility model utilizes chamber door controlling organization automatically to close and open the chamber door of sample case, not only simplify test operation, reduced the labour intensity of testing crew, eliminated potential safety hazard, and improved the switching speed of sample chamber door, ensure the accuracy of result of the test.

Brief description of the drawings

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the structural representation of chamber door controlling organization;

Fig. 4 is the left view of Fig. 3.

In figure, mark is as follows: 1, support body, 2, sample case, 3, elevating mechanism, 4, fall platform, 5, clamshell doors, 6, the push rod of unblanking, 7, push rod and sleeve, 8, pressing plate, 9, extension spring, 10, U-shaped guide rail, 11, hammerlock, 12, rotating shaft, 13, roller, 14, pressure pin, 15, directive wheel.

Detailed description of the invention

The coke drop strength testing equipment that the utility model provides a kind of sample case automatically to open and close, with short form test operation, improves result of the test uniformity, eliminates safe hidden trouble.

Referring to Fig. 1～Fig. 4, the utility model comprises and falls platform 4, lifting bracket, sample case 2 and chamber door controlling organization, and wherein chamber door controlling organization comprises two pressure pins 14, lock door mechanism and automatic door-opening mechanism automatically; Lifting bracket comprises support body 1 and elevating mechanism 3, and lock door mechanism comprises U-shaped guide rail 10, extension spring 9 and hammerlock 11 automatically, and automatic door-opening mechanism comprises the push rod 6 of unblanking, push rod and sleeve 7 and pressing plate 8.

Sample case 2 is fixed on support body 1 by elevating mechanism 3, and casing is to be made up of the thick steel plate of 3mm, the wide 460mm of case, long 710mm, high 380mm. At the bottom of the case of sample case 2, be the clamshell doors 5 that can overturn downwards, clamshell doors 5 is connected with casing by hinge; Chamber door controlling organization is located at the centre that there is no the casing of hinge both sides. Chamber door controlling organization can rise to summit and automatic door opening and closing the door while dropping to minimum point at sample case, realizes the quick opening and closing of chamber door.

Two pressure pins 14 are that length is the carbon steel stock of 840mm, are welded on respectively the bottom of two door leafs, and pressure pin 14 two ends are provided with the directive wheel 15 that diameter is 40mm.

Pressure pin 14 can be hooked in the lower end of hammerlock 11, and top is provided with the roller 13 of diameter 24mm, and hammerlock 11 middle and upper parts are rotationally connected by rotating shaft 12 and sample case 2. The middle part of two hammerlocks 11 of same automatic lock door mechanism connects by extension spring 9, and extension spring 9 can make two hammerlocks 11 in elastic closure state.

The carbon steel pipe that push rod 6 is long 345mm, diameter 24mm of unblanking, its upper end is provided with the contact of unblanking, and lower end and pressing plate 8 weld, and the roller 13 on hammerlock 11 can roll in pressing plate 8 bottom surfaces, the carbon steel pipe that push rod and sleeve 7 is long 300mm, diameter 34mm, is welded on sample case 2.

U-shaped guide rail 10 is welded on the support body 1 of lifting bracket, and its width is 550mm, dark 150mm, and the directive wheel 15 at pressure pin 14 two ends can roll on U-shaped guide rail 10.

The course of work of the present utility model is as follows:

The sample case 2 that packs coke into is made up of hinge and gear at elevating mechanism 3() drive under rise, in the time rising to object height 1830mm, the unblank contact of unblanking of push rod 6 upper ends touches the block in frame 1, make to unblank push rod 6 moves downward with respect to sample case 2 with pressing plate 8, so the roller 13 on hammerlock 11 rolls to sample case 2 sidewall centers, drive the latch hook of hammerlock 11 lower ends to move to both sides, pressure pin 14 departs from latch hook. This timer is in unlocking condition, and at the bottom of pressure pin 14 and case, clamshell doors 5 is opened fast under the effect of coke gravity, and coke is fallen.

Empty sample case 2 declines under the drive of elevating mechanism 3, in the time dropping to certain altitude, directive wheel on sample case 2 both sides pressure pins 14 enters the U-shaped guide rail 10 of bottom, and along U-shaped guide rail 10 move toward one another, drive clamshell doors is closed, in the time that sample case 2 drops to minimum point, pressure pin 14 snaps in the latch hook of hammerlock 11 lower ends, and hammerlock 11 is kept closed under the effect of extension spring 9. This timer is in the lock state. Repeat said process four times, drop strength has been tested.

The utlity model has the advantages such as rational in infrastructure, easy to operate, meet the requirement that in drop strength test, sample case is opened fast.

Claims (4)

1. a coke drop strength testing machine, it is characterized in that, it comprises being arranged on and falls the lifting bracket of platform (4) top and be arranged on sample case (2) and the chamber door controlling organization on lifting bracket, described chamber door controlling organization comprises two pressure pins (14), automatic lock door mechanism and automatic door-opening mechanism, and two pressure pins (14) are parallel to the door-hinge of sample case (2) bottom clamshell doors (5) and are separately fixed on two door leafs of clamshell doors (5); Described automatic lock door mechanism comprises U-shaped guide rail (10) and two hammerlocks (11), and the below of two pressure pins (14) is gone up and be positioned to the support body (1) that described U-shaped guide rail (10) is fixed on lifting bracket; The middle and upper part of two hammerlocks (11) is connected with the sidewall of sample case (2) by rotating shaft (12), and middle part connects by extension spring (9), and the latch hook of lower end is corresponding with two pressure pins (14) respectively.

2. a kind of coke drop strength testing machine according to claim 1, it is characterized in that, described automatic door-opening mechanism comprises the push rod of unblanking (6), push rod and sleeve (7) and pressing plate (8), described push rod and sleeve (7) is vertically fixed on the sidewall of sample case (2), the described push rod of unblanking (6) is through in push rod and sleeve (7) and with push rod and sleeve (7) and is slidably connected, and the block on the support body (1) of the upper end of the push rod of unblanking (6) and lifting bracket is corresponding; Described pressing plate (8) is horizontally fixed on the lower end of the push rod of unblanking (6), and the lower surface of pressing plate (8) is pressed on the roller (13) of two hammerlocks (11) upper end.

3. a kind of coke drop strength testing machine according to claim 1 and 2, is characterized in that, described automatic lock door mechanism and automatic door-opening mechanism all arrange two covers, and their symmetries are arranged on the both sides of sample case (2).

4. a kind of coke drop strength testing machine according to claim 3, it is characterized in that, described U-shaped guide rail (10) arranges two, and they are corresponding with the two ends of pressure pin (14) respectively, is equipped with the directive wheel (15) corresponding with two U-shaped guide rails (10) on every pressure pin (14).