CN218504417U

CN218504417U - Special tool for disassembling and assembling reverse beating head of iron-making blast furnace rock drilling machine

Info

Publication number: CN218504417U
Application number: CN202222386445.0U
Authority: CN
Inventors: 陈清华; 刘永刚; 武飞; 岳勇臣; 耿敬涛
Original assignee: Handan Iron and Steel Group Co Ltd; HBIS Co Ltd Handan Branch
Current assignee: Handan Iron and Steel Group Co Ltd; HBIS Co Ltd Handan Branch
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-02-21
Anticipated expiration: 2032-09-08

Abstract

A special tool for dismounting and mounting a reverse head of a rock drilling machine of an iron-making blast furnace belongs to the technical field of maintenance tools of the rock drilling machine of the iron-making blast furnace and is used for dismounting and mounting the reverse head of the rock drilling machine. The technical scheme is as follows: the handle is the stock, the snap ring is semicircular ring, the front end of handle is connected with the rear end of snap ring, the handle body of rod is in the coplanar with the snap ring, the semicircular ring internal diameter of snap ring and the front end circumference external diameter phase-match of contrary drive head, the semicircular ring cover of snap ring is in contrary drive head front end circumference, the front end inboard of snap ring is connected with the dop, the dop is the cylinder, the cylinder axis and the snap ring inner wall of dop are perpendicular, the cylinder diameter of dop and the blind hole diameter phase-match of contrary drive head front end, the dop inlays in the blind hole of contrary drive head front end circumference. The utility model discloses overcome conventional instrument with simple structure and dismantled the difficulty of the contrary head of beating of iron-making blast furnace, convenient to use, labour saving operation have realized the quick assembly disassembly who beats the head against, have shortened repair time, have improved work efficiency, have reduced the production accident.

Description

Special tool for disassembling and assembling reverse beating head of iron-making blast furnace rock drilling machine

Technical Field

The utility model relates to a specialized tool that is used for dismouting rock drill to make head against belongs to iron-smelting blast furnace rock drill repair tools technical field.

Background

In the production of iron-smelting blast furnaces, a taphole drilling machine is one of important stokehold equipment of the blast furnaces and is used for drilling tapholes blocked by stemming. The tap hole machine generally comprises a slewing mechanism, a drilling mechanism, an inclination mechanism and the like, wherein key equipment of the drilling mechanism is a rock drill for directly opening a tap hole, and the performance and efficiency of the rock drill directly influence the normal work of the tap hole machine. Common faults of the rock drill in production include drill bit tail breakage, oil leakage from a reverse drilling head, water jacket water leakage and the like. In the fault treatment processes, the back beating head needs to be disassembled, but the existing hardware tools such as crowbars, wrenches, screwdrivers, sledgehammers and the like can only be used for disassembling without special tools for disassembling the back beating head at present, and the work is very difficult. When the reverse driving head is disassembled by using a common tool, a crowbar is inserted into a blind hole at the front end of the reverse driving head, a part of threads are loosened and screwed out, then the reverse driving head is completely disassembled by matching with a large screwdriver, and then damaged parts are overhauled, after the overhaul is finished, the reverse driving head is installed again, and finally the reverse driving head is screwed in place by using the crowbar. In the process of disassembling and reassembling the inverse head, the rock drill is arranged below the crossbeam of the taphole drilling machine, so the spatial position is limited, the disassembly and assembly of the inverse head are very laborious, the overhaul time is long, the efficiency is low, and production accidents of reducing air and oxygen of a blast furnace are easily caused. Once the counterattack head is not screwed in place, the counterattack piston can be offside, and the drill rod can not be normally pulled out of an iron notch by the counterattack acting force of the counterattack head during opening, so that equipment is burnt, and normal production is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a specialized tool is provided to dismouting iron-making blast furnace rock drill head of beating, this kind of instrument can be fast conveniently dismantle the head of beating of rock drill, shortens repair time, improves work efficiency, avoids taking place the production accident of blast furnace air reduction, oxygen reduction, guarantees going on smoothly of blast furnace tapping production.

The technical scheme for solving the technical problems is as follows:

the utility model provides a specialized tool that dismouting iron-smelting blast furnace rock drill was turned over and is beaten head, it contains the handle, the snap ring, the dop, the handle is the stock, the snap ring is semicircular ring, the front end of handle is connected with the rear end of snap ring, the handle body of rod is in the coplanar with the snap ring, the semicircular ring internal diameter of snap ring and the front end circumference external diameter phase-match that turns over the head, the semicircular ring cover of snap ring is around the front end circumference of turning over the head, the inboard fixedly connected with dop of front end of snap ring, the dop is the cylinder, the cylinder axis of dop is perpendicular with the snap ring inner wall, the cylinder diameter of dop and the diameter phase-match of the blind hole of the front end of turning over the head, the dop inlays in the blind hole of the front end circumference of turning over the head.

Above-mentioned dismouting iron-smelting blast furnace rock drilling machine specialized tool that beats head in turn, the cylinder of dop is the cone, and the big diameter end of cone is connected with the snap ring inner wall, the diameter of the big diameter end of cone and the diameter phase-match of the blind hole of the head front end of beating in turn, and the diameter of the little diameter end of cone is less than the diameter of the blind hole of the head front end of beating in turn, the length of cone and the degree of depth phase-match of the blind hole of the head front end of beating in turn.

Above-mentioned dismouting iron-smelting blast furnace rock drill is turned over the specialized tool who beats head, the rear end of handle has the couple hole, and the couple hole is circular through-hole.

The beneficial effects of the utility model are that:

the utility model discloses a snap ring cover is around the first front end circumference of counterbeating, and the dop of snap ring inner wall inlays in the blind hole of the first front end circumference of counterbeating, rotates the handle that the snap ring is connected, can drive by snap ring and dop and counterbeat the head and rotate.

The utility model discloses overcome the difficulty that conventional instrument dismantled the contrary head of beating of iron-making blast furnace with simple structure, convenient to use, labour saving operation have realized shortening the repair time to the quick assembly disassembly who beats the head against of iron-making blast furnace rock drill, have improved work efficiency, avoid taking place the production accident that the blast furnace subtracts the wind, subtract oxygen, guarantee going on smoothly of blast furnace tapping production.

Drawings

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

fig. 2 is a schematic view of the present invention connected to a backhander;

fig. 3 is a schematic view of the present invention in use in a rock drilling machine.

The figures are labeled as follows: the drilling tool comprises a handle 1, a clamping ring 2, a clamping head 3, a hook hole 4, a reverse striking head 5, a blind hole 6, a drill shank 7, a reverse striking piston 8, a reverse striking positioning sleeve 9, a connecting body 10 and a reverse striking oil inlet 11.

Detailed Description

The utility model discloses constitute by handle 1, snap ring 2, dop 3.

Fig. 1 and 2 show that the handle 1 is a long rod, the front end of the handle 1 is connected with the snap ring 2, the inner side of the front end of the snap ring 2 is fixedly connected with the clamping head 3, the rear end of the handle 1 is provided with a hook 4 hole, and the hook hole 4 is a circular through hole. The handle 1, the snap ring 2 and the chuck 3 can be processed by a steel plate with the thickness of 10mm.

Fig. 1 and 2 show that the snap ring 2 is a semicircular ring, the front end of the handle 1 is connected with the rear end of the snap ring 2, and the handle rod body and the snap ring are in the same plane. The inner diameter of the semicircular ring of the snap ring 2 is matched with the outer diameter of the front end circumference of the reverse beating head 5, and the semicircular ring of the snap ring 2 is sleeved on the front end circumference of the reverse beating head 5.

Fig. 1 and 2 show that the inner side of the front end of the clamping ring 2 is fixedly connected with a clamping head 3, the clamping head 3 is a cone, and the axis of the cone is vertical to the inner wall of the clamping ring 2. The big diameter end of the cone of dop 3 is connected with the inner wall of snap ring 2, and the diameter of the big diameter end of cone and the diameter phase-match of the blind hole 6 of the front end of backhead 5, the diameter of the little diameter end of cone is less than the diameter of the blind hole 6 of the front end of backhead 5, and the length of cone and the degree of depth phase-match of the blind hole 6 of the front end of backhead 5, and the cone of dop 3 inlays in the blind hole 6 of the front end circumference of backhead 5.

Fig. 2 shows that the blind holes 6 of the reverse beating head 5 are cylindrical blind holes, and four blind holes 6 are uniformly distributed around the circumference of the front end of the reverse beating head 5. The small diameter end of the cone of the clamping head 3 can be easily inserted into the blind hole 6 at the front end of the reverse striking head 5, so that the reverse striking head 5 can be clamped conveniently.

Fig. 3 shows that when the backhead 5 is dismounted in the past, the rock drill is mounted below the girder of the taphole drill, so that the spatial position is limited, the dismounting of the backhead 5 is very labor-consuming, low in efficiency and long in maintenance time, and production accidents of reducing air and oxygen of a blast furnace are easily caused. In addition, the connecting body 10 is often not screwed in place and does not abut against the reverse striking positioning sleeve 9, at the moment, pressure oil acts on the reverse striking piston 8 through the reverse striking oil inlet 11, the reverse striking piston 8 moves backwards, when the connecting body 10 is screwed loosely, the reverse striking piston 8 can be offside, a drill rod cannot be normally pulled out of an iron hole by means of reverse striking acting force of the reverse striking head 5 during opening, equipment is burned, and normal production is influenced.

The utility model discloses when using, insert dop 3 in the blind hole 6 of the 5 front ends of counterbeating, snap ring 2 with 5 front end circumference cambered surfaces of counterbeating laminate, the effect is used in handle 1, will counterbeat 5 and screw-thread from connector 10 and screw-out to light dismantlement is counterbeaten 5, and then is overhauld the spare part of damage. After the overhaul is finished, the reverse driving head 5 is installed on the connecting body 10 again by means of the threads on the connecting body 10, and finally the reverse driving head 5 is screwed to abut against the reverse driving positioning sleeve 9, so that the reverse driving head 5 is installed again.

The utility model discloses an embodiment as follows:

the handle 1, the clamping ring 2 and the clamping head 3 are made of steel plates with the thickness of 10 mm;

the length of the handle 1 is 240mm, the width is 15mm, and the diameter of the hook hole 4 is 8mm;

the width of the clamping ring 2 is 15mm, the outer diameter of the circumference of the semicircle is 130mm, and the inner diameter is 100mm;

the major diameter of the cone of the chuck 3 is 10mm, the minor diameter is 8mm, and the length of the cone is 10mm.

Claims

1. The utility model provides a specialized tool that dismouting iron-smelting blast furnace rock drill was faced upside down which characterized in that: it contains handle (1), snap ring (2), dop (3), handle (1) is the stock, snap ring (2) are semicircular ring, the front end of handle (1) is connected with the rear end of snap ring (2), the handle body of rod is in the coplanar with the snap ring, the semicircular ring internal diameter of snap ring (2) and the front end circumference external diameter phase-match of counterbeating head (5), the semicircular ring cover of snap ring (2) is around counterbeating head (5) front end, the inboard fixedly connected with dop (3) of front end of snap ring (2), dop (3) are the cylinder, the cylinder axis of dop (3) is perpendicular with the inner wall of snap ring (2), the cylinder diameter of dop (3) and the diameter phase-match of blind hole (6) of counterbeating head (5) front end, dop (3) inlay in blind hole (6) of counterbeating head (5) front end circumference.

2. The special tool for dismounting the counterhammer of the rock drill of the iron-making blast furnace according to claim 1, is characterized in that: the cylinder of dop (3) is the cone, and the big diameter end of cone is connected with the inner wall of snap ring (2), and the diameter of the big diameter end of cone and the diameter phase-match of blind hole (6) of counterbeating head (5) front end, the diameter of the little diameter end of cone is less than the diameter of blind hole (6) of counterbeating head (5) front end, the length of cone and the degree of depth phase-match of blind hole (6) of counterbeating head (5) front end.

3. The special tool for dismounting the counterhammer of the rock drill of the iron-making blast furnace according to claim 1, is characterized in that: the rear end of the handle (1) is provided with a hook hole (4), and the hook hole (4) is a circular through hole.