CN212291831U

CN212291831U - Discharger device for belt conveyor

Info

Publication number: CN212291831U
Application number: CN202020353998.4U
Authority: CN
Inventors: 雷伦清; 王玉金; 罗小年
Original assignee: China Huadian Corp Guigang Power Generation Co ltd
Current assignee: China Huadian Corp Guigang Power Generation Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2021-01-05
Anticipated expiration: 2030-03-19

Abstract

A tripper device for belt feeder, it has been long-term that the tripper device of band conveyer unloads when operation always to have the incomplete of unloading, influences the benefit to mix and burn, especially when #2 stove is long-term to be stopped transporting standby, leads to the full storehouse in #2 stove tail storehouse, needs the opening of a storehouse coal discharge. The product comprises a discharger (2), wherein the discharger (2) is provided with a main coulter (3), the main coulter is fixed above a conveying belt (7) of a belt conveyor through a connecting rod mechanism, an amplitude variation carrier roller (1) is placed in a groove of a shaking support (6), the amplitude variation carrier roller (1) is tightly attached to the lower part of the conveying belt (7) of the belt conveyor under the support of the shaking support, and the connecting rod mechanism (15) is connected with the shaking support and the discharger. This product is used for thermal power plant's belt feeder to unload.

Description

Discharger device for belt conveyor

Technical Field

The utility model belongs to band conveyer's of thermal power plant discharge apparatus.

Background

In general, thermal power plants have a discharger device of a belt conveyor, and the discharged materials enter a raw coal bunker. 2 furnaces of our company, each furnace being provided with 6 coal bunkers, 12 coal bunkers in total, and the effective volume of each coal bunker being 538m 3; the unloading mode of the belt between the coal bunkers adopts side-push type B =1600mm and H =1500mm type electric bilateral plough type unloaders, 22 variable groove angle plough type unloaders are arranged on a #7 belt between the coal bunkers, two of each coal bunker respectively carries out coal feeding on 11 raw coal bunkers, and a tail bunker is arranged at the head of the #7 belt and directly carries out coal feeding. For a long time, incomplete discharging exists during the discharging operation of a discharger device of a belt conveyor, which influences the beneficial blending and burning, and particularly, when a #2 furnace is stopped for standby use for a long time, a bin at the tail of the #2 furnace is full, and the coal needs to be discharged by opening the bin.

In recent years, domestic patent databases disclose some similar technical reports of belt conveyor discharge devices:

application number ZL201320693185X, the name is belt feeder discharge apparatus, discloses a belt feeder discharge apparatus, including support, the baffle of unloading, still includes lead screw, nut, and the lead screw passes through the nut and links to each other with the support, lead screw lower extreme and the baffle fixed connection of unloading, nevertheless because the device is too simple for still there is the incomplete problem of unloading when the belt feeder carries the powder to unload.

Disclosure of Invention

The utility model provides a bearing roller and main coulter cooperation are at the tripper device that is used for the belt feeder of belt both sides, solve current device and leak buggy, unload unclean problem.

The utility model provides an unloader device for belt feeder, includes the unloader body, the unloader body main coulter (3) have, main coulter pass through link mechanism and fix in the top of the conveyer belt (7) of belt feeder, become width of cloth bearing roller (1) put in the groove of rocking support (6), become width of cloth bearing roller (1) hug closely the below of conveyer belt (7) of belt feeder under the support of rocking support, link mechanism (15) connect rocking support with the unloader.

The unloader device for the belt conveyor is characterized in that the main coulter (3) is fixed on the front surface of the unloader body, the cloth clamping and cleaning rubber plate (4) is fixed between the main coulter (3) and the unloader body, and the rear auxiliary coulter (5) is fixed on the back surface of the unloader body.

The unloader device for the belt conveyor is characterized in that the rocking support (6) comprises an upper table top and two pairs of rocking rods (8) which are hinged and support the upper table top, the rocking rods are hinged with the connecting rod mechanism (15), and the amplitude variation carrier roller is pushed by the upper table top to extend upwards from an original V-shaped groove shape to be in a straight shape.

The unloader device for the belt conveyor is characterized in that the connecting rod mechanism (15) comprises a connecting rod (9), the middle of the connecting rod is hinged with an upper connecting rod (10), the upper connecting rod is hinged with a support (11), the upper connecting rod is connected with the unloader body through a front connecting rod (13), and the connecting rod (9) is connected with a reciprocating electric rod (14).

The discharger device for the belt conveyor is characterized in that 5 mounting grooves with the diameter of 20mm x 30mm are formed in the shaking support (6), the distance between every two adjacent mounting grooves is 230mm, and the amplitude variation carrier roller (1) is mounted and has the specification of phi 159mm x 1330 mm; the main coulter (3) made of MT-4 wear-resistant cast iron with the thickness of 16mm is fixed on the discharger body by bolts; the cloth clamping and cleaning rubber plate (4) with the thickness of 10mm is fixed between the main coulter (3) and the discharger body by bolts; the rear auxiliary coulter (5) made of MT-4 wear-resistant cast iron with the thickness of 8mm is fixed on the back of the discharger body; the main coulter (3), the cloth clamping and cleaning rubber plate (4) and the rear auxiliary coulter (5) are flush with the contact surface of the conveyer belt (7) of the belt conveyor; the contact clearance between the discharger body and the conveying belt (7) is 0.5 mm-1 mm.

Advantageous effects

1. The utility model discloses a strengthen the width of cloth bearing roller and hold up the belt, the plane degree of belt has been guaranteed, realize that the soft or hard cleans, it does not leak the powder to have ensured the tripper, the longer time operation shows this kind of tripper device reliable and stable, reform transform the back, effectively prevent that the tripper from leaking the powder, this device investment is little, the structure is mature simple, consequently, it is short to reform transform the cycle, it is fast to take effect, good market and economic value have, the problem that current tripper leaked the powder has been solved, it is little to have an investment, it is fast to see to imitate, difficult inefficacy, the effect is obvious, advantage that maneuverability.

Unloading by an unloader: the descending switch of the unloader device is operated and controlled, the electric hydraulic push rod extends forwards to control the unloader device to descend, the support where the amplitude variation carrier roller 1 is located is driven by the connecting rod mechanism to drive the rocker 15 to push the support body to push the V-groove-shaped carrier roller to extend upwards to become a plane, so that the amplitude variation carrier roller 1 is tightly attached to the lower surface of the conveying belt 7 of the belt conveyor, the main coulter 3, the cloth clamping cleaning rubber plate 4 and the rear auxiliary coulter 5 are pushed by the connecting rod mechanism 15 to be pressed on the conveying belt 7 of the belt conveyor at the same time, and the belt conveyor enters. When the switch senses the stroke end stop lever, the automatic stop is realized, and the unloading operation is finished. The coal is cleaned and stopped by the multiple paths of the discharger, so that the discharger is guaranteed to plough clean coal, and the discharger is effectively prevented from powder leakage.

The discharger stops discharging: the lifting switch of the unloader device is operated and controlled, the electric hydraulic push rod extends backwards, the unloader device is controlled to ascend through the connecting rod mechanism, the support where the amplitude variation carrier roller 1 is located is driven by the rocker to be folded downwards from the plane to be changed into a V-shaped groove, the amplitude variation carrier roller 1 is far away from the lower surface of the conveying belt 7 of the belt conveyor, the main coulter 3, the cloth clamping cleaning rubber plate 4 and the rear auxiliary coulter 5 are lifted simultaneously, the auxiliary coulter is far away from the upper surface of the conveying belt 7 of the belt conveyor, the switch senses in place and automatically stops, and.

Drawings

Fig. 1 is a schematic structural view of the relative position of the main coulter and the belt of the present invention.

Figure 2 is a schematic structural diagram of the present invention.

Detailed Description

Example 1

The unloader device for the belt conveyor comprises an unloader body, wherein the unloader body is provided with a main coulter 3, the main coulter is fixed above a conveying belt 7 of the belt conveyor through a connecting rod mechanism, an amplitude variation carrier roller 1 is placed in a groove of a shaking support 6, the amplitude variation carrier roller 1 is supported by the shaking support and tightly attached to the lower part of the conveying belt 7 of the belt conveyor, and a connecting rod mechanism 15 is connected with the shaking support and the unloader. The amplitude variation carrier roller is in a straight line shape when working, is concave in the middle when not in a working state, and is in a V shape under the action of the spring steel bars.

Example 2:

the discharger device for belt conveyor in embodiment 1, the main coulter 3 is fixed on the front of the discharger body 2, the cloth clamping and cleaning rubber plate 4 is fixed between the main coulter 3 and the discharger body 2, and the rear auxiliary coulter 5 is fixed on the back of the discharger body 2.

Example 3:

example 3:

the unloader device for a belt conveyor of

embodiment

1 or 2, wherein the rocking support 6 comprises an upper table top, two pairs of rocking bars 8 hinged and supporting the upper table top, the rocking bars are hinged with the link mechanism 15, and the variable amplitude carrier roller is pushed by the upper table top to extend upwards from an original V-shaped groove shape to be in a straight shape.

Example 4:

the tripper device for the belt conveyor of

embodiment

1, 2 or 3, the link mechanism 15 includes a link 9, the middle of the link is hinged to an upper link 10, the upper link is hinged to a bracket 11, the upper link is connected to the tripper body through a front link 13, and the link 9 is connected to a reciprocating electric rod 14.

Example 5:

the discharger device for the belt conveyor in the

embodiment

1 or 2 is characterized in that the shaking support 6 is provided with 5 mounting grooves with the diameter of 20 mm/30 mm, the distance between every two adjacent mounting grooves is 230mm, and the amplitude variation carrier roller 1 is mounted and has the specification of phi 159 mm/1330 mm; the main coulter 3 made of MT-4 wear-resistant cast iron with the thickness of 16mm is fixed on the tripper body 2 by bolts; the cloth clamping and cleaning rubber plate 4 with the thickness of 10mm is fixed between the main coulter 3 and the discharger body 2 by bolts; the rear auxiliary coulter 5 made of MT-4 wear-resistant cast iron with the thickness of 8mm is fixed on the back of the discharger body 2 and is consistent with the shape of the main coulter; the contact surfaces of the main coulter 3, the cloth clamping cleaning rubber plate 4 and the rear auxiliary coulter 5 are flush with the contact surface of the conveyer belt 7 of the belt conveyor; the contact clearance between the discharger body 2 and the conveying belt 7 is 0.5 mm-1 mm.

The rocker drives the shaking support to widen when rising, and the working time is close to the horizontal plane, so that the amplitude variation carrier roller 1 is tightly attached to the lower part of the conveyer belt 7 of the belt conveyor, the gap between the amplitude variation and the main coulter is reduced, and the cleaning effect is improved.

Claims

1. The utility model provides an unloader device for belt feeder, includes the unloader body, characterized by: the unloader body is provided with a main coulter (3), the main coulter is fixed above a conveying belt (7) of the belt conveyor through a connecting rod mechanism, an amplitude variation carrier roller (1) is placed in a groove of a shaking support (6), the amplitude variation carrier roller (1) is tightly attached to the lower portion of the conveying belt (7) of the belt conveyor under the support of the shaking support, and the connecting rod mechanism (15) is connected with the shaking support and the unloader.

2. The discharger apparatus for belt conveyor according to claim 1, wherein: the main coulter (3) is fixed on the front surface of the discharger body, the cloth clamping and cleaning rubber plate (4) is fixed between the main coulter (3) and the discharger body, and the back auxiliary coulter (5) is fixed on the back surface of the discharger body.

3. The discharger device for belt conveyor according to claim 1 or 2, wherein: the rocking support (6) comprises an upper table top and two pairs of rocking bars (8) which are hinged and support the upper table top, the rocking bars are hinged with the connecting rod mechanisms (15), and the amplitude variation carrier roller is pushed by the upper table top to extend upwards to be in a straight shape by an original V groove shape.

4. The discharger device for belt conveyor according to claim 1 or 2, wherein: the connecting rod mechanism (15) comprises a connecting rod (9), the middle of the connecting rod is hinged with an upper connecting rod (10), the upper connecting rod is hinged with a support (11), the upper connecting rod is connected with the discharger body through a front connecting rod (13), and the connecting rod (9) is connected with a reciprocating electric rod (14).

5. The discharger device for belt conveyor according to claim 2, wherein: the shaking support (6) is provided with 5 mounting grooves with the length of 20mm × 30mm, the distance between every two adjacent mounting grooves is 230mm, and the amplitude variation carrier roller (1) is mounted and has the specification of phi 159mm × 1330 mm; the main coulter (3) made of MT-4 wear-resistant cast iron with the thickness of 16mm is fixed on the discharger body by bolts; the cloth clamping and cleaning rubber plate (4) with the thickness of 10mm is fixed between the main coulter (3) and the discharger body by bolts; the rear auxiliary coulter (5) made of MT-4 wear-resistant cast iron with the thickness of 8mm is fixed on the back of the discharger body; the main coulter (3), the cloth clamping and cleaning rubber plate (4) and the rear auxiliary coulter (5) are flush with the contact surface of the conveyer belt (7) of the belt conveyor; the contact clearance between the discharger body and the conveying belt (7) is 0.5 mm-1 mm.