TW518393B - Amplifying drill and fixing work and ground plot modification construction method thereof - Google Patents

Abstract

This invention provides an amplifying drill and fixing work and ground plot modification construction method thereof, aiming to solve following conventional problems or difficulties: (1) unable to insert tensile steel into the amplifying drill hole while pulling up the excavation rod before contracting the drill head; (2) difficult to insert tensile steel or grouting pipe into the amplifying drill hole even after the excavation rod is pulled up; (3) excavation water unable to be sent to the front end of the drill head. Solutions: (1) to insert an inner pipe into the bottom end of an interior outside pipe to install a short pipe type drill joint; (2) to install in the inside a round sectional drill socket body, which is inserted, embedded and able to be pulled out from the bottom, with a pair of left and right slat-shaped drill heads to embedded in its back part via axis rotation; (3) to set downward a stir rod at the front end of the inner pipe mentioned above to be pushed, pressed, and inserted into drill rod in the center hole of the drill body; (4) to open the drill head and set one or more pins around the periphery of the drill body mentioned above, in line with the down side of the drill joint upwards and fastened to a hook shaped channel of the upper curve part. The embedding and fastening mechanism mentioned above helps keep/remove the drill body on/from the drill joint, the connect seat on/from the upper end of the outside pipe mentioned above available for back and forth motions.

Description

J 丄 V. Description of the invention 0) Technology of the invention The present invention is mainly related to the use of ground anchors to expand the prior art drilling equipment. In the past, there is known an expansion 200H475 No. 9), which is installed in the middle clothes (Japanese Patent Application Special Opening Side is close to the side of the excavation rod _ Yu's W end is set from each other to one degree of symmetry to each other ^ 2 3 Rotate the zoom position to 90 pairs of excavating drills, and then move forward and backward freely to the enlarged position. The two ends are inserted after the press-in excavating drill is set: :: Xi 丨 The inner part of the connecting rod at the front end of the drill rod actuates the rod. The company rotates from the reduced position to the enlarged position. The end of the cylinder is like a transposed cylinder. It is connected to the post-installed state of the outer tube, and the surface is rotated. After the '=' 5 linked to it, move the cylinder barrel forward to rotate to the enlarged position, at: b: press into the excavating drill bit and end it, so as to perform stepwise adjacent rotation while digging holes H 卩 The drill hole connecting the small control hole with the large-diameter hole is due to this expansion of the drilling dream: g ： 收 # The soil body is fixedly connected to the excavation, and the drill bit installed in Zhuanguang also has an excavation bit = large = = :: i 等 = In the state, will pull K mud table, etc. Grouting to form an anchor.: ’This enlarged drilling device is self-grouting from the body of the drill bit. ≪ Shanhua Digging Water or Water

518393 V. Description of the invention (2) It is not possible to insert the tensile steel into the enlarged borehole, but it is extremely difficult for the left head to return to the narrowed position in the enlarged excavation section and close the edge. S ”soil or gravel, etc., once the excavating rod is pulled, it will be difficult to stretch the steel to expand the borehole. The water injection pipe is inserted because the excavating water is discharged from the front end of the bit body or the excavating bit is expanding. The excavation water cannot be sent to the surrounding area, or the excavation bit is opened, and the soil is stirred. * The grout from the front end of the bit cannot be sent to the front edge of the excavation bit. ^ 'Similarly, the [Example] attack < Ask. As shown in Fig. 1 and Fig. 2, at the lower end of the hollow outer tube 1 threaded, a short tubular drill joint is inserted into the short tube, and installed in the inner tube. Threaded part drill body 3. As shown in Fig. 6 to Fig. 9, the drill body 3 has a small circular section, and the outer diameter of the upper part 3a of the upper part 3a of the center A is enlarged to a funnel. The center hole 4 is shaped like a scallop 1 ^ lower shape. The upper end of the blade is a plate-shaped digging drill bit 6 and 6, and then it is recessed to 5 and a pair of left and right can be installed in this groove 5 freely. The left and right cymbals are merged respectively by pivot 7 as shown in Figure 7, and the left and right digging bit 6 is outward. 1 The narrowing positions of the front protrusions are close to each other with-the sides are close to the right and symmetric, and they are away from each other and the lateral lofts are expanded 2: =; ° degrees are left to the peripheral surface of the upper part 3a of the drill body 3 /, the large office position (Figure 2). 8 'This pin 8 is shown in Fig. 6, with a drill-shaped groove provided in the drill', or a plurality of pins and the lower end of the joint 2.

C: \ 2D-C0DE \ 91-06 \ 91107067.ptd $ 6 pages 5. Description of invention (3) 9 buckle. The fishing groove 9 is composed of the self-drilling 9a and the rotation direction of the longitudinal groove formed when the longitudinal groove 2 and the lower end of the longitudinal groove 2 are deep cut upwards; the connection is from the upper end thereof to the outer tube 1 so that the pin 8 The lateral groove 9b that is bent laterally from the direction of the straight ## structure has its oxygen upper end and the lateral groove & the cutout is engaged with the longitudinal groove 9a, m and the outer tube " Cajin V phase buckle / 'inhibit pin 8 along The movement in the up-and-down direction holds the drill body 3 as it is; the drill bit: moves toward it, whereby the loading and unloading is white, that is, as shown in FIG. 6, due to the t 9b buckle state, T, the outer tube is in the pin 8 and hook shape Horizontal groove of groove 9 ^ ^ ^ ^ 9 a ^ ^ ^ ^ ^ ^ When fastened to the lateral groove ^ 9a, the direction of 乂 1 is opposite to the direction, the pin 8 rotates, and ^ f ^ is 柒, so the drill bit The main body 3 and the outer pipe 1 are drilled along the same side H τ hunting and excavating drill bits Θ, 6. On the other hand, because of the square π m of the square ice & bu & 1 and the drill joint 2 rise the outer tube 1 along the transverse groove 9b, as shown in the figure] (1 is off the inside, so if it is in this state , Pull up, spot & π / catapult, pin 8 is opened from the lower end of the longitudinal groove 9a to the drill iL = the body 3 is separated from the drill joint 2. The shielding plate of the part, this anti-cap fishing shape The open part on the outer peripheral side of the groove 9 hinders the movement of the pin 8. This excavation soil and the like enter the inner space of the hook-shaped groove 9 with two snails i. The hoe is connected with the necessary number of short pipes. ! The inside of the tube 1. A plunger 1 3 is protruded downwards to press it down.

518393 V. Description of the invention (4) 4. Insert it into the center hole 4 of the drill body 3, and retreat freely; the drill master rod 1 2 is pushed down, and the digging bits 6 and 6 are opened. The drill body 3 is provided with an outflow passage 14 penetrating through the bottom of the & groove 5 and the front end of the drill from the periphery of the upper end of the drill body 3, and pressure-feeds the old pipe & Destroyed on the night of the drill body 3. Shun: The lower end of the outlet passage 14 is fixed at the end by a small screw or the like to the drill bit. The check valve made of rubber plate etc. is countercurrent to the mud and water outside. Right; In the reduced state of the excavating drill bits 6, 6 shown in Fig. 2, as shown in Fig. 9, the left to 6 corners at the rear end 6 'of the corners facing to the inside protrude to the middle ~ the hole 4 is in front of the end opening In the position, Qiaodao and the drill bit in the center hole 4 acted as the center of the rod; make: == the left is the center of the second point, the moment of the point, the excavating bits 6, 6 are pivoted from the center by 7 centers, and rotate away from each other (Such as flat or inclined horizontal) to expand the digging position. Zhang Daxiang (The water structure is carried out by the piston cylinder core attached to the piston cylinder base shown in Figure 12 and Figure 13. Zhou Zhou Pi centered from the upper center ... The rice tube section 'and, in its rotation and freely M with two lower parts a and a lower part connected to the center 16b to the water supply and drainage. The cylindrical lower casing 17b is inserted into the mouth.

518393 V. Description of the invention (5) A cylinder chamber is provided along the axis of the upper rotation center 16a, and a flow path of fluid such as pressurized oil is provided at the upper and lower sides. 9a, 9b, It covers the upper case 17a, and on its inner peripheral surface, flow ports 21a and 21b are provided, which communicate with the flow paths 19 &, 19b, and flow through the circulation grooves 20a and 20b formed in a loop 3¾. The shaft center of the lower turning center 6a is provided for inserting and retreating from the cylinder chamber 9 < 5 ^ to the lower and lower openings, and the through holes 23a and * zhuang 'of the inner tube 22 are used to move the forward and backward movements of the inserted pipe. A part of the cylinder chamber 18 of the pipe 22 is inserted through the cylinder pipe 18, and the piston 24 advancing and retreating on the inner peripheral surface thereof is closely contacted. :: The upper part of the center of rotation 16b is provided with a large circulation groove 25 formed in a ring shape along the peripheral surface of the through hole 23b. The flow of water or air and other fluids in the 4th part of the main revolution = 26 'is restored to the lower casing 16b. The inner peripheral surface is provided with a flow path I, and a circulation port 28 which circulates through a circulation groove 2 7 provided in an annular shape. It is also used to actuate the inner tube 22 and can often communicate with the circulation groove z (connecting Position, the flow hole 29 is provided. The lower flow center 16b is provided with an external flow path 31 communicating with the opening 30 connected to the pipe joint company outside the lower end. From this external flow path 31 to the lower turn center = the flow path 32 ', in the lower case 17b, an opening is provided on the inner peripheral surface of the lower case 17b to communicate with the passage 32, and the circulation through the circulation groove 33 provided in a ring is shown in Figs. 3 and 4, and the turntable 16 is threaded. The joint 11 moves forward and backward to actuate the inner tube 22, which is connected to it in sequence, j, connect, ·, σ inside g ^ Ί ^ β knot number ^ 1, and at the same time, the outer tube is connected to the outside through a 嫘 pattern joint The tube is connected to the opening 30, and is connected to it step by step.

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V. Description of the invention (6) The number of outer pipes 1 is required, whereby a drilling rod is constructed. The circular type of the attachment mechanism of the inner Hi 1 inner tube is configured to be connected to the center of advance and retreat. On the outer peripheral surface of the inner tube 35 connected to r: and inner official 11, a smooth surface 36, 36 is formed relative to its axis. The smooth surface 36 with tight contact = dagger = fixed to this smooth surface 3 by welding or the like. The pipe 11 advances and retreats from one side, while the inner rotational force transmitted to the inner pipe 22 connected to the advancing and retreating is transmitted—through the outer pipe The convex part of 37 rotates the outer members on the inner tube 11 and the inner tube 35 and the inner tube 11 'simultaneously. The inner and outer tubes are rotated at the same time. A small sheet-shaped spacer 39 is installed in the holding place for internal use. The central part of the outer pipe 1. The wood pipe is 4 嗔 1 and the 1f is not connected to the digging bits 6,6. It is fixed from the rear end to the front end, and connects the 4 ° rear end of the nozzle tube with the opening at the bottom of the groove 5. The connecting tube at the joint end is 4 °, and it is flexible and flexible to use. I :: Sexuality, it can be configured to expand the shrinkage with the digging bit 6, 6, and can also be configured not only in the nozzle tube 4. ° In the middle of the expansion π ir Qiu Ergang's spray hole near the spraying hole to spray digging water or to gather together ' Shoot to dig water or irrigate the water. To prevent the nozzle from being damaged, it is preferred that the nozzle tube 40 becomes one side of the back surface in the direction of rotation when the drill bit is turned.) [Fig. 1 to Fig. 19 show the use of the above structure outside the tube 1 Fix the head 6 and 6 of the guard head. As shown in FIG. 15, in the left and right excavation drills, the depth of the rain is deep, and the staggered seat 16 rotates the outer tube 1 while digging. "又" 、、， Small-diameter drilling with the same shape as the outer tube 1 is performed. _ Page 10 C: \ 2D-OODE \ 91-06 \ 91107067.ptd 518393 V. Description of the invention (7) In this reduced state, the rotation port 21a passes through the circulation groove 20a and the flow: housing In the upper part of the cylinder chamber 17a of 17a, the channel 19a pressurizes the pressurized oil into the inner tube 11 and 辎 π ^ 〇 of the cylinder, and the inner tube 22 is moved forward and backward, and the net 11 and the drill master are operated. The rod 12 advances, and the end portions 6, 6, after the mouths 6, 6 of the joints 6 and 6, expand the large diameter of the fixed body part to the depth of the expanded position while the excavating bit 6 pushes the excavating bit. Therefore, as shown in FIG. 16, the above sentence is as follows: the required connection is formed, an enlarged excavation section is formed, and the entire drilling section is not drilled. At present, when the king slaves have stepped parts of different sizes and diameters, the water supply hose is dead when they are drilled as described above. The circulation tank 33 and the flow path 32 send the digging water pressure to ί: ~ inside the road 31, from the outer tube! After expanding the excavation to the required depth with the inner tube u, the digging bit 6 and 6 are kept open: the excavation position is large and the outer cymbal is pulled up at the same time. The circulation σ34 of the seat 16 is used to consolidate the cement material foundation through the circulation groove 33 and the flow path 3 ^ and pressurize it to the outside. From the inside and outside the official pipe, the flow path 14 opens the check valve 15 From the front end of the head body 3, the grout is sprayed into the foundation, thereby, while the excavating soil is stirred by the rotating drill bits 6, 6, the grout is poured into the entire excavation section of the enlarged excavation section. Next ’while lowering the outer tube 1 while rotating again, the soil and grouting are evenly stirred while the front end of the drill body 3 is located at the bottom of the enlarged drilling portion

II C: \ 2D-C0DE \ 9i.06 \ 9H07067.ptd Page 11 518393 V. Description of Invention (8). In this state, after rotating the outer plumber and the bit joint 2 partly along the bending direction of the hook portion of the groove and the end of 7, the outer tube 1 is raised a little, thereby, & The groove 9b is moved to the longitudinal groove 9a, and thereafter, it is pulled out from the open portion at the lower end of the longitudinal groove 9 & thereby, as shown in FIG. 18, the drill body &丨 »After disassembling the drill body 3, with the outer tube still at the bottom of the enlarged excavation section, pull the inner tube 11 to the ground, insert the tensile steel 41 for fixing into the inner tube and vacate the outer tube 1 ', and Pull out to the ground '# Winter hardening by the grout mixed with stirring 1 to complete the anchor 4 2 shown in FIG. 19. The anchor body 42 thus made not only increases with the increase of its outer peripheral area, but also maintains a high degree of shear resistance of the pressure bearing surface of the step portion compared to the equivalent diameter of 1㈣ using only friction resistance. Shorten it: Oujie = Construction situation of improving the foundation with the extended drilling device described below: The construction situation of the dagger, in the excavation bit 6, 6 is in the shrinking '^ shape resentment'-surface rotating outer tube 1,-surface Digging to the improvement department: the ice degree is known above, after that, the digging bit β, 6 is rotated to the state, while rotating the outer pipe 1, a large position s in the direction of k, keep opening the digging bit 6, 6 ^ Large excavation to the improvement depth, its surface is raised to the upper end of the improved part, and it is deepened and expanded; standing up-the front surface of the outer pipe body 3 is filled with cement slurry and other places. At the same time, the sand is excavated from the drill bit. In the middle, it is more like fixing the soil tanning mouth, smashing, disturbing and mixing the digging 1 and the digging bits 6, 6 and meeting the valence of m. When the bismuth is turned, the outer tube is lowered and the drill body 3 is detached. From outside and inside

C: \ 2D-CODE \ 91-06 \ 91107067.ptd Page 12 Μ 518393 V. Description of the invention (9) Tube 11 ′ As a result, a solidified and enlarged digging part column is formed. The improved soil for excavating sandy soil forms a plurality of such improved parts by adjoining the foundation. The high-efficiency excavation and improvement section is outside the improvement section; both; = and digging can form an improved soil column with a uniform diameter. ， 可 形 #, /, Tightly improved foundation without unimproved parts. Y; M is connected between the soil columns and during the construction method described above, although the grouting hose is connected to the port 34 through the circulation groove 33 and the circulation Road 32, digging water: ς and other ground solid grouting pressure is fed into the external flow path 31, all the way, it is sprayed from the outflow hole 14 of the body 3, but the digging water can also be sent through the inner pipe \ 卜 ^^ flow path Or the foundation consolidation grouting. The heart 丨 ΛΙ 吕 β means 'in this case', as shown in Figure 5, the excavated water or foundation consolidation grouting flowing into the outer pipe 丨 exit hole 43 is placed in the lower part of the inner buckle to reach its interior. The upper outer periphery is closely attached to the outer pipe and the inner peripheral surface is installed to prevent the outflow of digging water or grout from flowing to the upper pad 44. ^, Connect the water supply hose or grout hose to the circulation opening of the turntable 16, Excavation of water or ground = pressure = inner pipe through flow hole 27 and flow path 26 from the flow hole 29 So that it flows from the outflow hole 42 at the lower end of the inner tube flow path to the outer tube flow path, and through the flow path 14, the effect of the invention from the front end of the drill body 3 is as above. According to the present invention, Rotate in the opposite direction to raise the outer tube, and pull out the pin protruding from the drill body from the open end provided at the lower end of the hook-shaped groove of the drill joint, so that the drill body can be separated from the drill joint and simply separated from the outer pipe and separated from it. Can be easily passed

518393

518393 V. Description of the invention (11) 11 Inner tube 12 Bit actuation rod 13 Punch 14 Outflow path 15 Check valve 16 Sleeve 16a Upper center 16b Lower center 17a Upper case 17b Lower case 18 Cylinder chamber 19a Flow path 19b Circulation Circuit 20a flow channel 20b flow channel 21a flow port 21b flow port 22 forward and backward action inner tube 23a through hole 23b through hole 24 piston 25 flow channel 26 flow path 27 flow channel

Round ill

III C: \ 2D-OODE \ 91-06 \ 91107067.ptd Page 15 518393 V. Description of the invention (12) 28 Circulation port 29 Circulation? L 30 Outer pipe connection opening 31 Outer flow path 32 Discharge path 33 Flow channel 34 Outlet 35 Connected to inner tube 36 Smooth surface 37 Connected to outer tube 38 Convex 39 Separator 40 Nozzle tube 40, Connecting tube 41 Stretched steel 42 Anchor 43 Outflow hole 44 Gasket

C: \ 2D-CODE \ 91-06 \ 91107067.ptd Page 16 518393

518393 Brief description of the drawing Figure U is a longitudinal sectional front view of a jealous female corpse used for the hair of this hair to expand the inner tube of the transposition of the excavation gear forward = 13 hair, connected to the outer tube A cross-sectional plan view. In the figure: the state of the present invention to expand the drilling device for small-diameter drilling longitudinally = :; Figure 17 shows the use of the present invention to expand the drilling device to expand the state of drilling Figure 17 shows-by the present invention to expand the drilling device spray foundation The water j is a longitudinal sectional view of the state of expanding the soil of the drilling part by the excavation bit while stirring. Fig. 18 is a longitudinal sectional front view showing an aspect of separating the outer pipe by the expanding excavation device of the present invention. Drawing up Fig. 19 is a view showing the anchoring device constructed by expanding the drilling device according to the present invention. Jing M Zheng

Claims (1)

6. The scope of application for patents is to expand drilling belts; into the inner outer tube; Anf is characterized in that the inner tube can be broken forward and backward freely from the lower opening to insert and pull out the short tubular drill joint, and it is installed in the center of the inner part. "Up and down", a circular drill with a circular cross-section that fits into the groove. The left and right sides of this groove form a central hole, forming a recess i at the lower end at the rear end of the base, respectively by pivots: 5 f a pair of blade plates. The digging bit is inserted with a plunger downward from the embedded end of the digging bit, and is used for two purposes; when it is attacked freely, when the inner tube is pushed down in the center hole of the drilling body, it is pushed down to insert the digging bit. In Qianzai Temple, the drill bit moves forward and backward freely, and there are multiple pins. This pin is horizontally protruding from the horizontally-shaped hook-shaped groove that is curved or curved: 接 接: 贝 :: straight upward The upper part and the upper part are freely detachable to maintain the front ^ 2 coupling, fastened to this bending joint turntable at the upper end of the outer tube, the drill bit itself is connected to the aforementioned drill joint, and the advancement and retraction movement of the reciprocating action is provided. The aforementioned inner tube makes it 2 · if the scope of patent application for item i is expanded The upper end of the drilling body 3 penetrates the lower end and the bottom of the groove. The opening at the lower end of the wrong head is blocked by a check valve to prevent mud from being placed in the outflow side. / Nishui Temple from the outside of the drill body. 4 · If you apply for a patent The second extension of the drill bit is installed from the rear end to the front end of the nozzle tube connected to the opening at the lower end of the excavation road, and the nozzle outlets of the bottom surface of the total, = ,, and bottom of the nozzle are connected to the aforementioned drill bit. The part between the ends is 'with: sex: the aforementioned opening of U. 5. If the scope of the patent application is extended! Drilling device of the expansion of the item' is structured in the drill C: \ 2D-G0DE \ 91-06 \ 91107067.ptd Page 19 6. Scope of application for patents Installation of joints around the periphery '6. For example, the scope of application for patents = the shield plate on the open part outside the hook groove. The moving inner tube is inserted into the enlarged drilling device installed in the Korean if1 item, in which the forward and backward are installed along the cylinder chamber ':! The axis cylinder chamber is inserted in the part of the cylinder chamber 7. If the patent is applied = f 其Piston that advances and retreats on the inner peripheral surface. An expansion drilling device from the outside and = 1 is set up, which is located in the transposition 8. If the patent application is outside the scope of the patent application, the flow channel is connected to the pipe flow path. Set inside f1 from its external communication, expand the drilling device in the turntable 9. — A kind of internal flow path for fixed workers. It is inserted into the interior as it is; it is characterized by the use of a type of internal tube that is inserted and retracted from the bottom to the bottom opening. I = install a short tubular drill joint in the inner body of the head and cross it in the center + freely coupled A circular drill groove in which 1 乂 = f through to form a central hole, and a lower end portion is fitted to the rear end portion, = ° 卩, and the front end of a pair of left and right blade plate-shaped excavating drill tubes protrudes downward. Set a ram, install it with "ground," and insert it into the center hole of the drill body. When pushing down, push the plunger down to open the excavating drill bit. A plurality of pins, the pin and the moon, the hook body of the H body is laterally protruding and the upper end of the hook-shaped recess is curved < the lower end of the drill-shoe joint is aligned straight up. Ground '22. By expanding and tightening to the head joint, the upper end of the outer tube is connected to the second, Θ. The drill body is enlarged by the rotation of the drill barrel. When the cylinder is reduced, the aforementioned swivel seat is used to expand the shovel: first, the aforementioned excavation After the depth of the drill bit, use the j-face of the aforementioned transposition to advance, and before reaching the required η, the inner tube and the drill bit must be im m Page 20 C: \ 2_DE \ 91 · 06 \ 91107067 .ptd 518393 VI. Application Patent scope —_____ Push and insert in the aforementioned drill body ~ Actuate the rod to open the aforementioned excavating drill bit :: The drill bit that can move forward and backward freely is provided " Gen or multiple pins, this pin == the circumference of the drill bit body is transverse Straight two upper ends of the horizontal f-curve fishing two drill bit human joints, the end is fixed upward: the end of this test curve can be detachably held two mouth two 'by fitting, tightening, connecting: at the upper end of the aforementioned outer tube Connection === The body is enlarged with the drill seat and the enlarged drill bit is inserted into f to actuate the cylinder of the inner tube to reduce the size of the cylinder. By the previous spin: first, after the depth of the excavating drill bit, borrow the red =; The outer tube pushes the aforesaid excavating drill with its front end when it reaches the required position: and the drill head opens to the enlarged position, and here ~ 1, the aforesaid excavating drill is enlarged to drill the hole. Until the depth is required, the diameter of the fixed body part = excavation Position 'while rotating and pulling: front opening: the excavation of the pipe flow path between the drill bits, and from the ground μ solid grouting house to the front of the inner and outer pipe' spout this irrigation crowd two heads' while stirring the excavation of the outflow path between the upper and lower ends Earth, then, the aforementioned excavation with the wrong rotation will be lowered while rotating again; description :: up to the bottom of the large drilling part, in this state, make the needle, the limb is located in the groove of the enlarged drilling part Upper end dog-shaped part; 2 = the aforementioned drill bit joint-starting edge forward, borrow & from the longitudinal recess # = 1, raise the outer tube to disengage the drill body from the lower part, open the part and pull out the lock Out, next, separate the outer tube and body from the aforementioned, in this state C: \ 2D-OODE \ 9] -〇6 \ 9]] 〇7〇67 Ptd Page 22