CN112359156A

CN112359156A - Combined clamp for filling stemming and replacing drill rod and working method thereof

Info

Publication number: CN112359156A
Application number: CN202011188636.5A
Authority: CN
Inventors: 刘斌奇; 张文凤; 叶理德; 陈方元
Original assignee: Wisdri Engineering and Research Incorporation Ltd
Current assignee: Wisdri Engineering and Research Incorporation Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-02-12
Anticipated expiration: 2040-10-30
Also published as: CN112359156B

Abstract

The invention provides a combined clamp for filling stemming and replacing an iron chisel, which comprises a stemming clamp and an iron chisel clamp, wherein a first connecting piece is arranged on the stemming clamp, a second connecting piece matched with the first connecting piece is arranged on the iron chisel clamp, the stemming clamp and the iron chisel clamp are detachably connected through the first connecting piece and the second connecting piece, and the lowest surface of the stemming clamp is higher than the grabbing surface of the iron chisel clamp. In addition, the invention also provides a working method of the combined clamp. The stemming clamp and the iron drill clamp are detachably connected, the iron drill clamp and the stemming clamp are separated when the iron drill is not replaced, the iron drill clamp is combined on the stemming clamp when the iron drill is replaced, the problems of large occupied space and high production and maintenance cost of the stemming clamp and the iron drill clamp are effectively solved, and the times of replacing the clamps by mechanical arms can be reduced, so that the problem of disordered winding of connecting hoses of driving devices of the clamps due to frequent replacement of the clamps can be effectively solved.

Description

Combined clamp for filling stemming and replacing drill rod and working method thereof

Technical Field

The invention belongs to the technical field of blast furnace stokehole tapping equipment, and particularly relates to a combined clamp for filling stemming and replacing an iron chisel and a working method thereof.

Background

The cast house is in a high temperature, dusty and labor-intensive operation area. Each taphole of the blast furnace casting house is provided with a mud gun and a taphole drilling machine. The tap hole opening machine is used for opening the tap hole through the rotary drilling and the vibration of the iron drill rod, and discharging the smelted molten iron in the hearth through the tap hole. The mud gun is used for extruding the stemming into the iron notch after the iron notch tapping is finished, so that the iron notch is firmly blocked, and the blast furnace can carry out normal smelting operation.

The iron drill rod used when the tapping machine taps the tap hole is a quick-wear part, and the used drill rod needs to be replaced after tapping once. At present, drill rod replacement of most iron and steel production enterprises is realized in a manual operation mode, the labor intensity is high, and the working environment is severe. Under the same condition, stemming for blocking the opening of the mud gun is stacked on a platform of a casting house, workers need to fill the stemming into the mud gun one by one before the mud gun needs to block the iron notch, 40-50 pieces of stemming are filled at each time, the weight of each piece is 7-10 kg, and the labor intensity is very high. Therefore, a device capable of automatically replacing the drill rod and automatically filling the stemming is needed to replace manual operation.

The tapping yard platform needs to stack iron borers, stemming, trench covers and the like, and needs to arrange a taphole drilling machine, a stemming gun, a cover uncovering machine, an iron trench, a slag trench and the like, so that the whole platform is required to be arranged simply for the convenience of operation and maintenance.

At present, a device for independently and automatically adding stemming and a device for independently and automatically replacing an iron chisel are arranged on the market. However, these devices tend to suffer from the following disadvantages: (1) the occupied space of a platform of a casting house is too much, and two sets of devices are required to be added to each taphole, so that the operation and maintenance of a taphole drilling machine, a mud gun and other devices are inconvenient; (2) the cost is high at one time due to more equipment, and the production and maintenance are complex; (3) because two sets of devices are required to be added, the situation that the mud gun and the taphole drilling machine are arranged at the same side is difficult to be satisfied; (4) the automatic stemming adding device on the market needs one stemming dispersing and conveying device for dispersing piled stemming and facilitating automatic grabbing, and is large in occupied space and high in cost.

Disclosure of Invention

The invention aims to provide a combined clamp for filling stemming and replacing an iron chisel, which can at least solve part of technical problems existing in the prior art for filling stemming and replacing the iron chisel.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a load stemming and change modular fixture for borer, includes stemming anchor clamps and borer anchor clamps, be equipped with connecting piece one on the stemming anchor clamps, be equipped with on the borer anchor clamps with connecting piece one complex connecting piece two, the stemming anchor clamps pass through connecting piece one with the borer anchor clamps can dismantle with connecting piece two and be connected, and the minimum face of stemming anchor clamps is higher than the face of grabbing of borer anchor clamps.

Further, the first connecting piece is a transition flange, the second connecting piece is a hollow cylinder body in the middle, the part below the transition flange of the stemming clamp is arranged in the cylinder body, and the upper part of the cylinder body is detachably connected with the transition flange.

Further, the outer surface of the upper part of the cylinder of the second connecting piece is provided with an external thread piece, the inner surface of the transition flange is provided with an internal thread piece matched with the external thread piece of the cylinder, the upper part of the cylinder is sleeved with the transition flange, and the cylinder and the transition flange are detachably connected through the external thread piece and the internal thread piece.

Furthermore, a locking bolt is arranged on the transition flange, and a locking hole matched with the locking bolt is formed in the upper surface of the barrel.

Further, the stemming clamp comprises a connecting flange externally connected with a mechanical arm, a stemming clamping unit for clamping stemming, and a connecting cylinder for connecting the stemming clamping unit and the connecting flange; the first connecting piece is located between the connecting flange and the stemming clamping unit and is fixedly connected to the connecting cylinder.

Further, the stemming clamping unit comprises a stemming clamping jaw, a middle barrel and a first oil cylinder, the head of a piston rod of the first oil cylinder is arranged in the middle barrel, the upper end of the middle barrel is fixedly connected with the first oil cylinder, a connecting sleeve ring is connected to the head of the piston rod of the first oil cylinder, the stemming clamping jaw is connected with the connecting sleeve ring through the first connecting rod, and the stemming clamping jaw is located outside the bottom end of the middle barrel.

Further, the iron chisel clamp comprises a clamp beam and iron chisel clamping units connected to two ends of the lower surface of the clamp beam, and the second connecting piece is connected to the upper surface of the clamp beam.

Further, the iron chisel clamping unit comprises an iron chisel clamping claw, a clamping box body and a second oil cylinder, the head of a piston rod of the second oil cylinder is arranged in the clamping box body, the upper end of the clamping box body is fixedly connected with the second oil cylinder, the head of a piston rod of the second oil cylinder is connected with the iron chisel clamping claw through a second connecting rod, the iron chisel clamping claw is located outside the bottom end of the clamping box body, a guide positioning pin is connected to the outside of the clamping box body, and the guide positioning pin is located on one side of the iron chisel clamping claw.

Furthermore, the clamp beam is provided with a placing positioning hole for limiting when the iron drill clamp is placed.

In addition, the invention also provides a working method of the combined clamp for filling stemming and replacing the drill rod, which comprises the following steps:

1) process for replacing drill rod

Connecting the stemming clamp of the combined clamp to a mechanical arm through a flange, moving the combined clamp through the mechanical arm, moving the iron rod clamp of the combined clamp to the position below a standby position of the taphole drilling machine, clamping the old iron rod needing to be replaced by the iron rod clamp, matching the taphole drilling machine with the old iron rod unloading action, and after the old iron rod is disconnected from the taphole drilling machine, moving the iron rod clamp and the clamped old iron rod to the position for stacking the old iron rod by the mechanical arm to finish the old iron rod unloading process;

the mechanical arm moves the combined clamp to the position above the new iron drill piling rack, the iron drill clamp moves downwards to clamp the selected new iron drill, the mechanical arm continues to drive the iron drill clamp and the clamped new iron drill to the position below the standby position of the tapping machine for removing the old iron drill, the mechanical arm drives the iron drill clamp to move upwards to the drill loading position of the tapping machine, the tapping machine is matched with the drill loading action, after the iron drill is connected with the tapping machine, the iron drill clamp releases the new iron drill, the mechanical arm drives the iron drill clamp to leave the drill loading position, and the process of replacing the iron drill is completed;

2) stemming filling process

Connecting the stemming clamp of the combined clamp to a mechanical arm through a flange, moving the combined clamp to the position above the iron drill clamp placing frame through the mechanical arm, placing the iron drill clamp of the combined clamp on the iron drill clamp placing frame, disconnecting the connection of the first connecting piece of the stemming clamp and the second connecting piece of the iron drill clamp, and detaching the iron drill clamp;

the mechanical arm drives the stemming clamp for detaching the iron drill clamp to a selected stemming clamping point, the stemming clamp clamps the stemming to clamp the stemming, then the mechanical arm sends the stemming clamp and the stemming clamped by the stemming clamp to a stemming adding opening of the mud gun, the stemming clamp loosens the stemming clamped by the stemming clamp to enable the stemming to fall into the stemming adding opening, and the mechanical arm withdraws the stemming clamp to finish the stemming filling process.

Compared with the prior art, the invention has the beneficial effects that:

the combined clamp for filling stemming and replacing the iron chisel detachably connects the stemming clamp and the iron chisel clamp, the iron chisel clamp is separated from the stemming clamp when the iron chisel is not replaced, and the iron chisel clamp is combined on the stemming clamp when the iron chisel is replaced, so that the problems of large occupied space and high production and maintenance cost of the stemming clamp and the iron chisel clamp are effectively solved, and the times of replacing the clamp by a mechanical arm are reduced, so that the problem of disordered winding of a connecting hose of a driving device of each clamp due to frequent replacement of the clamp can be effectively avoided.

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

Drawings

FIG. 1 is a schematic structural view of a modular jig for stemming and replacing a drill rod according to the present invention;

FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic view showing the structure of the drill jig according to the present invention;

FIG. 4 is a schematic structural view of an iron brazing filler metal clamping unit according to the present invention;

FIG. 5 is a schematic view of the construction of the stemming jig of the present invention;

figure 6 is a schematic cross-sectional view of a stemming jig according to the invention;

fig. 7 is a schematic sectional view of the stemming grasping unit of the present invention.

Description of reference numerals: 1. a stemming clamp; 2. a first connecting piece; 3. a second connecting piece; 4. an iron chisel clamp; 5. an iron chisel; 10. a stemming clamping unit; 11. a connecting cylinder; 12. a connecting flange; 20. locking the bolt; 21. an internal threaded member; 30. a locking hole; 31. an external screw member; 40. a clamp beam; 41. an iron chisel clamping unit; 42. placing the positioning hole; 101. a first oil cylinder; 102. a middle cylinder; 103. a connecting lantern ring; 104. a first connecting rod; 105. a stemming clamping jaw; 411. a second oil cylinder; 412. clamping the box body; 413. a second connecting rod; 414. an iron chisel clamping claw; 415. and (7) guiding and positioning pins.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 and fig. 2, the present embodiment provides a combined clamp for stemming filling and iron bolt replacing, which includes a stemming clamp 1 and an iron bolt clamp 4, a first connecting member 2 is disposed on the stemming clamp 1, a second connecting member 3 cooperating with the first connecting member 2 is disposed on the iron bolt clamp 4, the stemming clamp 1 and the iron bolt clamp 4 are detachably connected through the first connecting member 2 and the second connecting member 3, and meanwhile, the lowest surface of the stemming clamp 1 is higher than the grabbing surface of the iron bolt clamp 4, so that the stemming clamp 1 does not hinder the clamping operation of the iron bolt clamp 4.

When stemming filling operation is carried out without drill rod replacement operation, connecting a stemming clamp 1 of the combined clamp to a mechanical arm through a flange, moving the combined clamp to the position above an iron rod clamp rest through the mechanical arm, placing an iron rod clamp 4 of the combined clamp on the iron rod clamp rest, disconnecting a connecting piece I2 of the stemming clamp 1 from a connecting piece II 3 of the iron rod clamp 4, and unloading the iron rod clamp 4; then the mechanical arm drives the stemming clamp 1 for dismounting the iron drill clamp 4 to a selected stemming clamping point, the stemming clamp 1 clamps the stemming, the mechanical arm sends the stemming clamp 1 and the stemming clamped by the stemming clamp to a stemming adding opening of the mud gun, the stemming clamp 1 loosens the clamped stemming to enable the stemming to fall into the stemming adding opening, and the mechanical arm withdraws the stemming clamp 1 to finish stemming filling operation.

During the operation of changing the iron rod, the stemming clamp 1 is connected to a mechanical arm through a flange, the iron rod clamp 4 is fixedly combined to the stemming clamp 1 through a first connecting piece 2 and a second connecting piece 3 to complete the assembly of the combined clamp, then the combined clamp is moved through the mechanical arm, the iron rod clamp 4 of the combined clamp is moved to the position below a standby position of the taphole drilling machine, the iron rod clamp 4 is made to clamp the old iron rod needing to be changed, the taphole drilling machine is matched with the old iron rod unloading action, after the old iron rod is disconnected from the taphole drilling machine, the mechanical arm moves the iron rod clamp 4 and the clamped old iron rod to the old iron rod stacking position, and the old iron rod unloading process is completed; and then, the combined clamp is moved to the position above a new iron drill piling rack by the mechanical arm, the iron drill clamp 4 is moved downwards to clamp the selected new iron drill, the mechanical arm continues to drive the iron drill clamp 4 and the clamped new iron drill to the position below the standby position of the taphole drilling machine for taking down the old iron drill, the mechanical arm drives the iron drill clamp 4 to move upwards to the drill rod loading position of the taphole drilling machine, the taphole drilling machine is matched with the drill rod loading action at the same time, after the new iron drill is connected with the taphole drilling machine, the iron drill clamp 4 releases the new iron drill, the mechanical arm drives the iron drill clamp 4 to leave the drill rod loading position, and the iron drill replacing operation is completed.

The specific structure of the stemming clamp 1 is detailed, and as shown in fig. 5, 6 and 7, the stemming clamp 1 comprises a connecting flange 12 for externally connecting a mechanical arm, a stemming clamping unit 10 for clamping stemming, and a connecting cylinder 11 for connecting the stemming clamping unit 10 and the connecting flange 12; the first connecting piece 2 is located between the connecting flange 12 and the stemming clamping unit 10 and is fixedly connected to the connecting cylinder 11. Specifically, as shown in fig. 7, the stemming clamping unit 10 includes a stemming clamping jaw 105, a middle cylinder 102 and a first oil cylinder 101, a head of a piston rod of the first oil cylinder 101 is disposed in the middle cylinder 102, an upper end of the middle cylinder 102 is fixedly connected to the first oil cylinder 101, a head of the piston rod of the first oil cylinder 101 is connected to a connecting collar 103, the stemming clamping jaw 105 is connected to the connecting collar 103 through a first connecting rod 104, and the stemming clamping jaw 105 is located outside a bottom end of the middle cylinder 102; wherein, the stemming clamping jaw 105 is a plurality of, and the equidistant distribution of circumference along middle barrel 102, stemming clamping jaw 105 adopts three in this embodiment, and the bottom tip of stemming clamping jaw 105 is thin and tapered moreover to can insert in the stemming, there are swing hinge point and drive hinge point at the top of stemming clamping jaw 105, be used for articulating with connecting rod one 104. When the stemming filling operation is completed, through the action of the mechanical arm, the stemming clamping jaws 105 of the stemming clamp 1 are inserted into stemming at a proper clamping point, then the first oil cylinder 101 drives the first connecting rod 104 to drive the stemming clamping jaws 105 to swing inwards, so that the stemming is clamped tightly, through the action of the combination of the above inserting clamps, the stemming is clamped, then the mechanical arm sends the stemming clamp 1 and the stemming clamped by the same to the top of a stemming filling opening of a stemming gun, through the action of the first oil cylinder 101, the stemming clamping jaws 105 swing outwards, the clamped stemming is loosened, the stemming falls into the stemming filling opening, the mechanical arm is retracted, and the stemming filling process is completed for one time.

In an optimized embodiment, the stemming clamp 1 further comprises a stemming detection and positioning unit (not shown), the stemming detection and positioning unit comprises a three-dimensional laser scanner and an image processor, and in the stemming grabbing process, the three-dimensional laser scanner is used for carrying out laser three-dimensional scanning on the scattered stemming, the image processor is used for determining the outline of the scattered stemming, and calculates and determines the position of the preferred stemming block and the optimal trapping point, the stemming clamp 1 determines the trapping point mode through the automatic detection calculation, meanwhile, the stemming grabbing mode of inserting and grabbing combination is combined, which is equivalent to redefining the stemming grabbing surface, the problem of uncertain stemming appearance is solved, and a whole set of stemming dispersing and conveying devices is not needed, so that the reliability of automatic stemming is improved, the equipment is greatly simplified, the cost is reduced, and the arrangement is simple.

The concrete structure of the iron chisel clamp 4 is refined, as shown in fig. 3, the iron chisel clamp 4 comprises a clamp beam 40 and iron chisel clamping units 41 connected to two ends of the lower surface of the clamp beam 40, and the second connecting piece 3 is connected to the upper surface of the clamp beam 40. Specifically, as shown in fig. 4, the iron rod clamping unit 41 comprises two iron rod clamping claws 414, a clamping box 412 and a second oil cylinder 411, the head of a piston rod of the second oil cylinder 411 is arranged in the clamping box 412, the upper end of the clamping box 412 is fixedly connected with the second oil cylinder 411, the head of a piston rod of the second oil cylinder 411 is connected with the iron rod clamping claw 414 through a second connecting rod 413, and the iron rod clamping claw 414 is located outside the bottom end of the clamping box 412, wherein the two iron rod clamping claws 414 are arranged oppositely. When the operation of replacing the iron rod is finished, the second oil cylinder 411 drives the second connecting rod 413 to act, and the second connecting rod 413 drives the iron rod clamping claw 414 to open or close, so that the iron rod 5 is put down or clamped.

Further, a guiding positioning pin 415 is connected to the outside of the clamping box 412, and the guiding positioning pin 415 is located on one side of the iron rod clamping claw 414, so that when the iron rod 5 is replaced, the guiding positioning pin 415 can be inserted into a corresponding positioning hole on the tapping machine, and accurate positioning and torque transmission can be realized through the guiding positioning pin 415.

Further, a placing positioning hole 42 is formed in the clamp beam 40, correspondingly, a positioning pin is arranged on the iron rod clamp placing frame, and in the process of filling stemming, the iron rod clamp 1 is dismounted and placed on the iron rod clamp placing frame, and the iron rod clamp 4 is positioned and placed by aligning the placing positioning hole 42 in the clamp beam 40 with the positioning pin on the iron rod clamp placing frame.

For the detachable connection mode of the stemming clamp 1 and the iron chisel clamp 4, as shown in fig. 3, fig. 5 and fig. 6, the first connecting piece 2 adopts a transition flange, the second connecting piece 3 is a cylinder with a hollow middle, the cylinder is arranged in the upward direction of the clamp beam 40, meanwhile, a through hole is formed in the corresponding position on the clamp beam 40, the part below the transition flange of the stemming clamp 1 is arranged in the cylinder, and the upper part of the cylinder is detachably fixed with the transition flange. Specifically, the outer surface of the upper part of the cylinder body of the second connecting piece 3 is provided with an external thread piece 31, the inner surface of the transition flange is provided with an internal thread piece 21 matched with the external thread piece 31 of the cylinder body, the upper part of the cylinder body is sleeved in the transition flange, and the cylinder body and the transition flange are detachably connected through the external thread piece 31 and the internal thread piece 21; wherein, external screw thread spare 31 and internal screw thread spare 21 both can be the screw thread of direct setting on barrel and transition flange surface, also can be the block that the surface has the screw thread, through the threaded connection mode of transition flange and barrel with the combination of iron borer anchor clamps 4 to stemming anchor clamps 1 on, and this kind of threaded connection mode of transition flange and barrel only need drive stemming anchor clamps 1 through the arm and rotate and can realize assembling or dismantle indisputable borer anchor clamps 4.

Preferably, the transition flange is provided with a locking bolt 20, the upper surface of the barrel is provided with a locking hole 30 matched with the locking bolt 20, and the firmness of connection of the stemming clamp 1 and the iron chisel clamp 4 is further ensured through connection of the locking bolt 20 and the locking hole 30.

To sum up, this kind of load stemming and change modular fixture for iron borer that this embodiment provided can dismantle stemming anchor clamps and iron borer anchor clamps and be connected, when the non-bar borer operation that trades, iron borer anchor clamps and stemming anchor clamps separation, when trading the iron borer operation, the iron borer anchor clamps make up go on the stemming anchor clamps, it is big effectively to have solved two sets of devices occupation space of stemming anchor clamps and iron borer anchor clamps, the high problem of production and maintenance cost, the number of times that the anchor clamps were changed to the arm has still been reduced simultaneously, thereby can effectively avoid frequently changing the chaotic winding problem of connecting hose that the anchor clamps lead to the drive arrangement of each anchor clamps.

The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the invention, which is intended to be covered by the claims and any design similar or equivalent to the scope of the invention.

Claims

1. The utility model provides a pack stemming and change modular fixture for borer which characterized in that: the stemming clamp is characterized by comprising a stemming clamp and an iron rod clamp, wherein a first connecting piece is arranged on the stemming clamp, a second connecting piece matched with the first connecting piece is arranged on the iron rod clamp, the stemming clamp and the iron rod clamp are detachably connected through the first connecting piece and the second connecting piece, and the lowest surface of the stemming clamp is higher than the grabbing surface of the iron rod clamp.

2. The jig of claim 1, wherein the jig comprises a main body and a plurality of auxiliary members, wherein the main body comprises: the first connecting piece is a transition flange, the second connecting piece is a barrel with a hollow middle part, the part below the transition flange of the stemming clamp is arranged in the barrel, and the upper part of the barrel is detachably connected with the transition flange.

3. The jig of claim 2, wherein the jig comprises: the outer surface of the upper portion of the barrel of the second connecting piece is provided with an external thread piece, the inner surface of the transition flange is provided with an internal thread piece matched with the external thread piece of the barrel, the upper portion of the barrel is sleeved with the transition flange, and the barrel and the transition flange are detachably connected through the external thread piece and the internal thread piece.

4. The jig of claim 2, wherein the jig comprises: the transition flange is provided with a locking bolt, and the upper surface of the barrel is provided with a locking hole matched with the locking bolt.

5. The jig of claim 1, wherein the jig comprises a main body and a plurality of auxiliary members, wherein the main body comprises: the stemming clamp comprises a connecting flange externally connected with a mechanical arm, a stemming clamping unit for clamping stemming, and a connecting cylinder for connecting the stemming clamping unit and the connecting flange; the first connecting piece is located between the connecting flange and the stemming clamping unit and is fixedly connected to the connecting cylinder.

6. The jig of claim 5, wherein the jig comprises: the stemming clamping unit comprises a stemming clamping jaw, a middle barrel and a first oil cylinder, the head of a piston rod of the first oil cylinder is arranged in the middle barrel, the upper end of the middle barrel is fixedly connected with the first oil cylinder, a connecting sleeve ring is connected to the head of the piston rod of the first oil cylinder, the stemming clamping jaw is connected with the connecting sleeve ring through the first connecting rod, and the stemming clamping jaw is located outside the bottom end of the middle barrel.

7. The jig of claim 1, wherein the jig comprises a main body and a plurality of auxiliary members, wherein the main body comprises: the iron chisel clamp comprises a clamp beam and iron chisel clamping units connected to two ends of the lower surface of the clamp beam, and the second connecting piece is connected to the upper surface of the clamp beam.

8. The jig of claim 7, wherein the jig comprises a plurality of pins, and the jig is configured to be inserted into the holes of the plurality of pins: the iron chisel clamping unit comprises an iron chisel clamping claw, a clamping box body and a second oil cylinder, the head of a piston rod of the second oil cylinder is arranged in the clamping box body, the upper end of the clamping box body is fixedly connected with the second oil cylinder, the head of a piston rod of the second oil cylinder is connected with the iron chisel clamping claw through a second connecting rod, the iron chisel clamping claw is located outside the bottom end of the clamping box body, a guide positioning pin is connected to the outside of the clamping box body, and the guide positioning pin is located on one side of the iron chisel clamping claw.

9. The jig of claim 7, wherein the jig comprises a plurality of pins, and the jig is configured to be inserted into the holes of the plurality of pins: and the clamp beam is provided with a placing positioning hole for limiting when the iron chisel clamp is placed.

10. The method for operating a combined jig for stemming and replacing a chisel according to any one of claims 1 to 9, comprising the steps of:

1) process for replacing drill rod

Connecting the stemming clamp of the combined clamp of any one of claims 1 to 9 to a mechanical arm through a flange, moving the combined clamp through the mechanical arm, moving the iron rod clamp of the combined clamp to the position below a standby position of the taphole drilling machine, clamping the iron rod clamp to perform old iron rod actions needing to be replaced, matching the taphole drilling machine with old iron rod unloading actions, and after the old iron rod is disconnected from the taphole drilling machine, moving the iron rod clamp and the clamped old iron rod to a position for stacking the old iron rod through the mechanical arm to finish the old iron rod unloading process;

2) stemming filling process

Connecting the stemming clamp of the modular clamp of any one of claims 1 to 9 to a robotic arm through a flange, moving the modular clamp over the drill jig rest through the robotic arm, placing the drill jig of the modular clamp on the drill jig rest, disconnecting the first connector of the stemming clamp from the second connector of the drill jig, and detaching the drill jig;