JPS58501384A - Method and equipment for hydraulic drilling - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Hydraulic drilling method and equipment Background of the invention The present invention provides a method and method for hydraulic mining. and equipment.

In hydraulic excavation, first of all there is an arch-shaped cross section in the working area. At the same time, the main roadway became necessary for transporting the ore. ing.

From this main passage, a number of shafts have been dug into the thin layer to be extracted. Extends to the edge of the layer.

The present invention relates to a method and apparatus for working in one of these mine shafts.

Known methods of forming these shafts include continuous excavators (mlners) or rotary excavators. Dig a tunnel using a cutting boont and make a shaft. It is supported by an arch. This meant that excavation had to stop while the arch was being erected. , the operation will be periodic and the forward movement will be slow.

In addition, since the contour is poor, it takes time to fill the arch properly after the arch, and the ground is unstable. Rockfalls also occur on the board.

Once the shaft is completed, the excavation equipment is pulled out and the ore transport equipment and high pressure water hoses are installed. He was replaced by Nitar. The water hose then acts on the exposed surface to dig out the ore. Pour into the transport gutter. This excavation equipment is gradually pulled out inside the mine shaft and Some of the arches are removed for use elsewhere, but most of the arches are It will be left in place as it is needed to support the mine shaft near the base.

Therefore, not only is a large portion of the arch lost, but when the arch is recovered, There is also a risk of rockfall.

The aim of the invention is to eliminate or alleviate the above-mentioned disadvantages.

Summary of invention According to the invention, the cylindrical shield housing the cut ink cartridge is advanced in stages. and when the shield is advanced one step further, each in the space immediately after the shield. gradual provision of a temporary continuous cylindrical passageway built within the erected section; forming a tunnel by this, replacing the cutting shaft with a high-pressure water hose; Hydraulically retreat excavating the exposed surface using hydraulic pressure inInq) and to the shield so that the shield can be retracted in stages. Hyde removal gradually disassembles said cylindrical passage by removing adjacent sections. A method of drilling is provided.

Further, according to the present invention, the removable cut ink boom unit is accommodated. A cylindrical shield is used to form a mine shaft using a katti/taphum. means for advancing the shield; fixing means cooperating with said advancing means; fixing means for said shield; the shaft support members of the staged temporary assembly sump in the space between the The road is completed and retreat hydraulic excavation (retreat-hydraulic-mjnj High-pressure hose replaced with cutting tool when nq) is to be carried out. A sump device for use in hydraulic excavation is provided having a base.

Brief description of the drawing An embodiment of the invention will now be described with reference to the accompanying drawings. In the drawing, FIG. 1 is a side sectional view of a mine shaft showing the apparatus and method according to the invention, and FIG. 2 is an end view. It is a diagram.

Description of the preferred embodiment Explain the drawing. The first part αQ of the shaft αυ is arch-shaped like a normal passage. It has a cross section, and at first it is called a starting chamber. It is used as Supplies are then stored and transported to or from the working face. Used as a loading stage for loading onto transportation equipment.

A mine shaft shield @ is inserted into the departure room member. The shield has a loading stage. mounted on a gimbal of known shape having a wheel (04) and a contour guide ring Q6. Electrically driven cut ink system (qymbal mounted) ) is provided. The guide ring allows the boom to connect to the gimbal mounting part σQ and the shield ( This is to ensure that a perfect circle is cut coaxially with the center of 6).

Other items installed within the shaft shield include troughs with a water supply, shaft supports, Construction equipment (goods) (only if needed), push to move the shield forward and backward Pull (ush-utt) Shirt water pressure device (a), snap-in hood (only if required) to provide the necessary power to the shield, boom, and construction equipment. hydraulic power box (hydraulic power, pack) c2I9, There are also electrical controls for the boom and power box 7-3.

Behind the shield, the space immediately after the shield (to) is first supported and the construction within that space is carried out. Cylindrical tail jacket to protect equipment and workers (+2A) is extended.

Behind the shield@, there are rock bolts on the walls and floor of the departure room. lt) to provide the fixing part (7), and attach the shield to the face using the shirt+@. so that it can be pushed in the direction of Thus, high-speed excavation is performed. The tunnel starts from the passage It is tilted slightly upward, for example by 8°.

In areas where the ore is soft, a snap-in hood is advanced into the face and clicked. The ink drill partially scrapes off the bottom of the ore until the hood is fully advanced. This prevents the face from collapsing. After that, the remaining part of the face is shaved off and exposed to the outside. are loaded into the shield gutter for transportation. As the tunnel extends, the shield @ A hammer part 6]) is installed behind the. At the connecting part, there is no overlap with the shield gutter. This forms a continuous discharge path from the mine shaft.

Fixed part (after pushing out the shield (6) from Arrogance for the first time, the sky immediately after the shield scream A shaft support member (to) is constructed at Maso. The support member (c) can be removed manually or by machine. by a number of arcuate elements held in the cylindrical wall by mechanical devices (21). It is configured. The length of the tail jacket (+2A) is slightly longer than the length of the support member (to). Only long.

Shield @ has 6 fixed parts, which essentially advances in stages from the erected parts (towards). Therefore, the additional support member will be built immediately after the shield @, and the shirt + @ will be newly added. so that the shield can be further advanced by engaging the provided support member. become. Therefore, behind the shield (2) and the shelter where the worker is A continuous cylindrical passage is formed.

At the end of the tunnel excavation, the power is removed there by normal means. An unillustrated high-pressure water fountain is pulled back from the top of the shaft to hydraulically mine the ore beyond the tip of the shaft. t-niter.

Then, the tunnel support members (to) behind the shield are removed one by one. sticker Do-Shirt + (Ha) uses these one after another to pull Shield @ back from the mine shaft, and at the same time Remove the ore with water pressure while retreating.

Once the shield returns to the departure room, the fixed part cannot be removed and the shield must be transported to another location. be able to do so.

Ideally, two shields should be used in close proximity, so that one of the shields would The gimbaled boom and shaft supporting member arm are attached to the advancing shield of the other shaft. Full utilization is achieved when the T-shaped elements are transferred.

Procedural amendment 1Ici<) Mr. Kazuo Wakasugi, Commissioner of the Patent Office Heid O rick drilling method and equipment 3. Person who makes corrections Relationship to the incident: Patent applicant Ash (-Soshi Strasta 5 Id Ji-Elsie.

4. Agent

Claims (1)

[Claims] 1 Ka Sodei:) Step by step advancement of the cylindrical shield @ that accommodates Guj-1,03 and when the shield is advanced one step further, in the space (c) immediately behind the shield. Temporary continuous cylindrical passages built within each built sexikono (ha) The tunnel aD is formed by gradually providing the To replace the aqua regia hose, excavate the exposed surface with a liquid ratio. yrCireai-m1nlnq), and the shield can be retreated in stages. the cylindrical passageway by removing a section adjacent to the shield so as to A method of hydraulic excavation that disassembles each piece. 2. Providing fixing means to enable the first stage of advancement of the shield. and providing a passage section between the securing means and the shield. The method described in Section 1. 3 exert a reaction on the next erected section against said fixing means, and The button on the seal F that moves the shield forward or backward (door sh - door u) 1/) according to claim 1 or 2, which comprises '4' stages. Method O 4 A cylindrical seam that accommodates the removable Cutty J Cram Corner Knit 03. The said shield is used to form a mine shaft 0υ using a cuthinkuram. a means for advancing @, a fixing means cooperating with said advancing means @, said shield a; Step by step in the space (c) between the fixing means qg3 - shaft support for temporary assembly The holding members (to) and the tunnel q]) have been completed and the retreat -hy When draul iC-mining is supposed to be done Equipment for use in hydraulic excavation with a high-use hose that can be replaced with a Place. 5. The device according to claim 4, wherein the support member (c) is cylindrical. 6 The support member ■ is made of a number of mutually secured (5 ettured) elements. 6. A device according to claim 4 or 5, provided. 7 The shield diagram shows the sky immediately after the shield before and during the construction of the support member (c). Claims 4 to 4 include a rearwardly extending tail jacket (+2-4) that protects the to the device according to any one of paragraphs 6 to 6.