CN210458049U

CN210458049U - Contact type limiting device of coke pusher

Info

Publication number: CN210458049U
Application number: CN201920994282.XU
Authority: CN
Inventors: 高安昌
Original assignee: Shanxi Sunlight Coking Group Co ltd
Current assignee: Shanxi Sunlight Coking Group Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-05-05
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a coke pusher contact type limiting device, which comprises a movable door, an oil cylinder and a controller, wherein the movable door, the oil cylinder and the controller are arranged on the coke pusher, the movable door realizes telescopic activity through the oil cylinder, the front part of the movable door is provided with a limiting switch, the limiting device is arranged in front of the limiting switch, the limiting switch is a wireless switch and is internally provided with a wireless radio frequency transmitting module, the limiting switch is connected with the controller through a wireless signal, and the controller controls the telescopic of the oil cylinder; the limiting device comprises a limiting rod, a limiting spring, a triggering block and a sliding groove which are horizontally arranged, the sliding groove is horizontally arranged at the front part of the movable door, the cross section of the sliding groove is concave, a safety ring and a sliding block are fixedly arranged on the outer wall of the rod body of the limiting rod, the triggering block is arranged in front of the limiting switch, and a gap is formed between the triggering block and the limiting switch; the device work quality is reliable, and better realization fire door is sealed completely, thoroughly solves the problem of smoking, satisfies the environmental protection demand.

Description

Contact type limiting device of coke pusher

Technical Field

The utility model relates to a coke pusher contact stop device belongs to coke apparatus for producing technical field.

Background

In the process of coal loading and coke pushing of the original coke pusher in our factory, the adopted furnace door limiting device is stroke limiting, and the stroke limiting is adopted because furnace columns have deviation on the same plane, and the oil cylinder stops after running for a fixed distance, so that the oil cylinder can not be in close contact with each furnace, and the operation is influenced.

The coke pusher small furnace door pressing device is a pressing oil cylinder, namely, a small furnace door is pressed through an extended pressing oil cylinder arm, in order to ensure the sealing effect, the pressure of the oil cylinder is usually adjusted to be higher than the actually required pressure, but the coke oven column part is cracked and deformed frequently due to overlarge applied pressure.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of prior art existence, the utility model discloses a coke pusher contact stop device, the device operating mass is reliable, and better realization fire door is sealed completely, thoroughly solves the problem of smoking, satisfies the environmental protection demand.

The utility model discloses a following technical scheme realizes:

a contact type limiting device of a coke pusher comprises a movable door, an oil cylinder and a controller, wherein the movable door, the oil cylinder and the controller are arranged on the coke pusher, the movable door is movably connected to the coke pusher through the oil cylinder, a limiting switch is arranged at the front part of the movable door, the limiting device is arranged in front of the limiting switch, the limiting switch is a wireless switch and is internally provided with a wireless radio frequency transmitting module, the limiting switch is connected with the controller through a wireless signal, and the controller controls the oil cylinder to stretch;

the limiting device comprises a limiting rod, a limiting spring, a trigger block and a sliding groove which are horizontally arranged, the sliding groove is horizontally arranged at the front part of the movable door, the cross section of the sliding groove is concave, and a baffle is arranged at the top of the sliding groove; the safety ring and the sliding block are fixedly arranged on the outer wall of the rod body of the limiting rod, the sliding block is a convex sliding block, the top end of the sliding block is fixedly connected with the limiting rod, the sliding block is matched with the sliding groove, and the sliding block is slidably clamped in the sliding groove; a limiting spring is horizontally arranged at the rear part of the limiting rod, a trigger block is arranged at the top end of the limiting spring, and a flexible protective sleeve is sleeved outside the limiting spring; the trigger block is arranged in front of the limit switch, and a gap is arranged between the trigger block and the limit switch;

still the level is provided with the safety lever on the dodge gate, form safe distance between safety lever top and the safety ring.

Preferably, the trigger block is a flexible trigger block.

Preferably, the sliding balls are embedded in the rear part and the upper and lower sides of the sliding block.

Preferably, the flexible protective sleeve is made of heat-resistant fibers.

Preferably, the limit switch is arranged on the movable door through a support, and the limit switch is coated with a heat insulation layer.

Preferably, the heat insulation layer material is ceramic fiber.

Compared with the prior art, the utility model following beneficial effect has:

the utility model discloses after using contact stop device, having solved because of the uneven sealed not tight problem that causes of stove post, better realization fire door is sealed completely, thoroughly solves the problem of smoking, satisfies the environmental protection demand. Prevent that the stove post warp and lead to sealed not tight, prevent simultaneously that the dodge gate from to the stove post fracture or the deformation that excessive extrusion of stove post caused.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the structure of the device of the present invention.

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

Fig. 3 is a schematic view of the structure of the flexible protective sheath of the present invention.

Detailed Description

The present invention will be described in further detail with reference to specific embodiments, but the scope of the present invention is not limited to these embodiments, and any changes or equivalent substitutions that do not depart from the spirit of the present invention are intended to be included within the scope of the present invention.

Example 1

As shown in figure 1 of the drawings, in which,

a contact type limiting device of a coke pusher comprises a movable door 1, an oil cylinder and a controller (not shown in the figure), wherein the movable door 1 is arranged on the coke pusher, the movable door 1 is movably connected to the coke pusher through the oil cylinder, a limiting switch 2 is arranged at the front part of the movable door 1, the limiting device is arranged in front of the limiting switch 2, the limiting switch 2 is a wireless switch and is internally provided with a wireless radio frequency transmitting module, the limiting switch 2 is connected with the controller through a wireless signal, and the controller controls the oil cylinder to stretch;

the controller and the wireless radio frequency transmitting module are all universal equipment or components in the prior art.

The limiting device comprises a limiting rod 3, a limiting spring 4, a trigger block 5 and a sliding groove 12 which are horizontally arranged, the sliding groove 12 is horizontally arranged at the front part of the movable door 1, the cross section of the sliding groove 12 is concave, and a baffle 17 is arranged at the top of the sliding groove 12; 3 pole body outer walls of gag lever post are fixed and are provided with safety ring 6 and sliding block 13, sliding block 13 is protruding type sliding block, sliding block 13 top and 3 fixed connection of gag lever post, sliding block 13 sets up with sliding tray 12 phase-match, sliding block 13 slip joint is in sliding tray 12, through being connected of sliding block 13 and sliding tray, the gag lever post can be installed on the dodge gate to slide around carrying out the horizontal direction along the horizontally sliding tray.

A limiting spring 4 is horizontally arranged at the rear part of the limiting rod 3, a trigger block 5 is arranged at the top end of the limiting spring 4, and a flexible protective sleeve 7 is sleeved outside the limiting spring 4; the trigger block 5 is arranged in front of the limit switch 2, and a gap is arranged between the trigger block and the limit switch 2;

a safety rod 8 is further horizontally arranged on the movable door 1, and a safety distance 9 is formed between the top end of the safety rod 8 and the safety ring 6.

Preferably, the trigger block 5 is a flexible trigger block.

Preferably, the sliding balls 14 are embedded in the rear part and the upper and lower sides of the sliding block, so that the sliding process of the limiting rod along the sliding groove is smooth and free from obstruction.

Preferably, the flexible protective sleeve 7 is made of heat-resistant fibers.

Preferably, the limit switch 2 is arranged on the movable door 1 through a support 15, and a heat insulation layer 16 is coated on the outer layer of the limit switch 2.

Preferably, the thermal insulation layer 16 is made of ceramic fibers.

In actual use, the original stroke limiting device is removed by the production equipment part of our factory, the bracket is welded on the coke pusher movable door for fixing and limiting, a round steel is fixed on the limit switch handle, in the advancing process of the oil cylinder, the round steel contacts the oven post to push the rear limit spring to move backwards, the limit switch is pressed in contact, the limit switch transmits a wireless signal to the controller, the oil cylinder is controlled by the controller to automatically stop working, and the gap between the coke pusher movable door and the oven post 11 of the coke oven 10 is ensured. The deformation of the furnace column 11 is prevented to cause poor sealing, and simultaneously, the cracking or deformation of the furnace column 11 caused by the excessive extrusion of the movable door 1 on the furnace column 11 is prevented. After using contact stop device, solved because of the not tight problem of sealed that the stove post is uneven caused, better realization fire door is sealed completely, thoroughly solves the problem of smoking, satisfies the environmental protection demand.

The impact that limit spring's elastic buffering gag lever post brought, flexible limit trigger block prevents to limit switch's impact, forms safe distance between safety lever end and the safety ring, prevents that the limit switch that excessive oppression limit switch leads to is out of order. The thermal insulation layer is arranged outside the limit switch, so that the limit switch is prevented from being burned and malfunctioning by heat of the coke oven.

The present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A contact type limiting device of a coke pusher is characterized by comprising a movable door, an oil cylinder and a controller, wherein the movable door, the oil cylinder and the controller are arranged on the coke pusher, the movable door is movably connected to the coke pusher through the oil cylinder, a limiting switch is arranged at the front part of the movable door, the limiting device is arranged in front of the limiting switch, the limiting switch is a wireless switch and is internally provided with a wireless radio frequency transmitting module, the limiting switch is connected with the controller through a wireless signal, and the controller controls the oil cylinder to stretch out and draw back;

2. The coke pusher contact stop device of claim 1, wherein the trigger block is a flexible trigger block.

3. The contact type position limiter of coke pusher as claimed in claim 1, wherein sliding balls are embedded in the rear part and upper and lower sides of the sliding block.

4. The coke pusher contact stop device of claim 1, wherein the flexible protective sleeve is made of heat resistant fiber.

5. The coke pusher contact limit device of claim 1, wherein the limit switch is disposed on the movable door through a bracket, and the limit switch is covered with a thermal insulation layer.

6. The coke pusher contact stop device of claim 5, wherein the insulation layer material is ceramic fiber.