CN209942735U - Circumferential weld drilling device and circumferential weld drilling machine - Google Patents
Circumferential weld drilling device and circumferential weld drilling machine Download PDFInfo
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- CN209942735U CN209942735U CN201920617508.4U CN201920617508U CN209942735U CN 209942735 U CN209942735 U CN 209942735U CN 201920617508 U CN201920617508 U CN 201920617508U CN 209942735 U CN209942735 U CN 209942735U
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Abstract
The utility model provides a circumferential weld drilling device and a circumferential weld drilling machine, which comprises a drill barrel, a drill barrel base, a central positioning shaft, a first positioning arc piece and a second positioning arc piece; the drill cylinder is slidably arranged on the drill cylinder base; the central positioning shaft is arranged in the center of the drill barrel; the first positioning arc piece and the second positioning arc piece are slidably mounted on the base of the drilling barrel, the first positioning arc piece and the second positioning arc piece are located on the outer side of the drilling barrel and can rotate around the center of the drilling barrel, and the first positioning arc piece and the second positioning arc piece rotate to any positions and keep the same center distance with the drilling barrel. The utility model provides a circumferential weld creeps into device is through stretching into the operation region with preliminary location with the central location axle a bore section of thick bamboo, through deepening old round hole seam with first location arc piece and/or second location arc piece in, the position of starting to bore of further pinpointing new round hole seam has controlled the strict tangent of new round hole seam with old round hole seam, has improved tunnelling efficiency.
Description
Technical Field
The utility model relates to a rig technical field, concretely relates to circumferential weld drilling equipment and circumferential weld rig.
Background
In recent years, with the rapid development of infrastructure construction of expressways, express ways, urban subways and the like in China, more and more projects are needed to excavate tunnels, and corresponding tunnel excavation machines are more and more widely applied.
The chinese patent publication No. CN108086909A provides a three-axis positioning drilling device, which comprises a drill barrel, a central shaft, a first positioning shaft and a second positioning shaft; the central shaft is arranged in the center of the drill cylinder and is used for extending into the operation area to preliminarily position the drill cylinder; the first positioning shaft and the second positioning shaft are parallel to the central shaft, and the central shaft, the first positioning shaft and the second positioning shaft are arranged in a triangular mode, wherein a connecting line of end points of the first positioning shaft and the second positioning shaft forms a bottom edge of the triangle, and an end point of the central shaft forms a vertex of the triangle; the first positioning shaft and the second positioning shaft are used for performing auxiliary positioning on the drill cylinder. The method adopts a circular seam drilling method, namely, one circular hole seam is firstly opened at the periphery of the section of the tunnel, the circular hole seam is formed by cutting, the middle part of the circular hole is continuously left on the tunnel, or the middle part of the circular hole is broken in the hole opening process, after the hole is opened, the middle part of the circular hole is propped apart by adopting a swelling method and other modes through other machines, the cracked soil and stones are transported away, and the tunneling is realized.
In the circular seam drilling process, when a new circular seam is tangent to an old circular seam, the circular seam can be made to form a continuous conduction shape at the boundary position, the gaps of the whole shape boundary are mutually conducted, the development of a subsequent expansion crack process is more facilitated, and the expansion crack process is subjected to standardized control, so that the tunneling efficiency is higher, the three-axis positioning drilling device is difficult to control the strict tangency of the new circular seam and the old circular seam, the hole seam is discontinuous or the new circular seam and the old circular seam are intersected due to the inaccurate positioning, and the tunneling efficiency is lost.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a circumferential weld creeps into device has solved and has crept into the strict tangent technical problem that device is difficult to control new round hole seam and old round hole seam at current triaxial location.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a circumferential weld drilling device comprises a drill barrel, a drill barrel base, a central positioning shaft, a first positioning arc piece and a second positioning arc piece; the drill cylinder is slidably arranged on the drill cylinder base; the central positioning shaft is arranged in the center of the drill cylinder and used for extending into an operation area to preliminarily position the drill cylinder; the first positioning arc piece and the second positioning arc piece are slidably mounted on the base of the drilling barrel, the first positioning arc piece and the second positioning arc piece are located on the outer side of the drilling barrel and can rotate around the center of the drilling barrel, the first positioning arc piece and the second positioning arc piece rotate to any positions and keep the same center distance with the drilling barrel, and the first positioning arc piece and the second positioning arc piece are used for assisting in positioning the drilling barrel.
Optionally, the first positioning arc piece and the second positioning arc piece have the same structure; the first positioning arc piece comprises an arc piece and a connecting rod, the diameter of the arc piece is the same as that of the drill cylinder, the arc piece is fixed at one end of the connecting rod, and the other end of the connecting rod is in sliding connection with the drill cylinder base.
Optionally, the circular seam drilling device further comprises a circular ring, a first movable block and a second movable block; the circular ring comprises an outer ring and an inner ring, the outer ring is provided with at least three outer ring supports connected with the drilling barrel base, and the inner ring is provided with at least three inner ring supports connected with the drilling barrel base; the first movable block and the second movable block are clamped between the outer ring and the inner ring, the first movable block and the second movable block can slide between the outer ring and the inner ring, the first movable block is connected with the first positioning arc piece, and the second movable block is connected with the second positioning arc piece.
Optionally, the first movable block and the second movable block have the same structure; the first movable block comprises a screw rod part, a sliding block part and a sliding rail part which are connected in sequence; the sliding block part is an arc-shaped sliding block and is used for being clamped between the outer ring and the inner ring and sliding between the outer ring and the inner ring; the slide rail part is connected with the connecting rod.
Optionally, a conical block is further arranged on the arc surface of the sliding block part close to the outer ring; and a plurality of scribed lines are also arranged on the outer ring and are uniformly distributed around the circumference of the outer ring.
Optionally, the slide rail part is polygonal; the connecting rod is also provided with a polygonal inner chute matched with the shape of the slide rail part; and a fastening threaded hole for mounting a fastening screw is further formed in the connecting rod.
Optionally, the outer ring support and the inner ring support are fixedly connected.
Optionally, an arc protrusion is arranged at one end of the arc piece, which faces the operation area, and the end of the central positioning shaft is arc-shaped.
Optionally, the circular seam drilling device further comprises a central shaft pushing mechanism, and the central shaft pushing mechanism is arranged on one side, away from the working area, of the drilling barrel and used for driving the central positioning shaft to move towards the direction of the working area.
The utility model also provides a circumferential weld rig, including above-mentioned arbitrary the circumferential weld creep into the device.
The utility model has the advantages that:
the utility model provides a circular seam drilling device, which comprises a drill barrel, a drill barrel base, a central positioning shaft, a first positioning arc sheet and a second positioning arc sheet; the drill cylinder is slidably arranged on the drill cylinder base; the central positioning shaft is arranged in the center of the drill cylinder and used for extending into an operation area to preliminarily position the drill cylinder; the first positioning arc piece and the second positioning arc piece are slidably mounted on the base of the drilling barrel, the first positioning arc piece and the second positioning arc piece are located on the outer side of the drilling barrel and can rotate around the center of the drilling barrel, the first positioning arc piece and the second positioning arc piece rotate to any positions and keep the same center distance with the drilling barrel, and the first positioning arc piece and the second positioning arc piece are used for assisting in positioning the drilling barrel. The utility model provides a circumferential weld creeps into device is through stretching into the operation region with preliminary location with the central location axle a bore section of thick bamboo, through deepening old round hole seam with first location arc piece and/or second location arc piece in, the position of starting to bore of further pinpointing new round hole seam has controlled the strict tangent of new round hole seam with old round hole seam, has improved tunnelling efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic perspective view of a circular seam drilling apparatus;
FIG. 2 is a partial schematic view of an annular seam drilling apparatus;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic structural view of a first positioning arc piece;
FIG. 5 is a schematic structural diagram of a first movable block;
reference numerals:
1-a drill cylinder, 2-a drill cylinder base, 3-a central positioning shaft, 4-a first positioning arc sheet, 5-a second positioning arc sheet, 6-a circular ring, 7-a first movable block and 8-a second movable block;
41-arc sheet, 42-connecting rod, 43-arc convex part, 61-outer ring, 62-inner ring, 71-screw part, 72-sliding block part and 73-sliding rail part;
421-inner sliding groove, 422-fastening threaded hole, 611-outer ring support, 612-scribed line, 621-inner ring support and 721-conical block.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Referring to fig. 1-5, the circumferential seam drilling device provided by the present invention comprises a drill barrel 1, a drill barrel base 2, a central positioning shaft 3, a first positioning arc piece 4 and a second positioning arc piece 5; the drill barrel 1 is slidably mounted on the drill barrel base 2; the central positioning shaft 3 is arranged in the center of the drill barrel 1 and used for extending into an operation area to preliminarily position the drill barrel 1; the first positioning arc piece 4 and the second positioning arc piece 5 are slidably mounted on the drill barrel base 2, the first positioning arc piece 4 and the second positioning arc piece 5 are located on the outer side of the drill barrel 1 and can rotate around the center of the drill barrel 1, the first positioning arc piece 4 and the second positioning arc piece 5 rotate to any position and keep the same center distance with the drill barrel 1, and the first positioning arc piece 4 and the second positioning arc piece 5 are used for assisting in positioning the drill barrel 1. Specifically, a safety gap is reserved between the first positioning arc piece 4 and the second positioning arc piece 5 and the outer wall of the drill barrel 1, the sum of the thicknesses of the first positioning arc piece 4 and the second positioning arc piece 5 and the wall thickness of the safety gap is smaller than or equal to the wall thickness of the drill barrel 1, namely the thicknesses of the first positioning arc piece 4 and the second positioning arc piece 5 are smaller than the width of a drill seam, and the diameters of the first positioning arc piece 4 and the second positioning arc piece 5 are the same as the diameter of the drill barrel 1. In one embodiment, the first positioning arc piece 4 and the second positioning arc piece 5 have the same structure; the first positioning arc piece 4 comprises an arc piece 41 and a connecting rod 42, the diameter of the arc piece 41 is the same as that of the drill barrel 1, the arc piece 41 is fixed at one end of the connecting rod 42, and the other end of the connecting rod 42 is slidably connected with the drill barrel base 2. The use method and the principle of the circular seam drilling device are as follows: firstly, the first positioning arc piece 4 and/or the second positioning arc piece 5 extend into an old circular hole seam in an operation area to position the drilling position of a new circular hole seam, and meanwhile, the new circular hole seam is strictly tangent to the old circular hole seam; secondly, the central positioning shaft 3 extends into a working area to position the drill barrel 1; finally, the drill barrel 1 is fed. It is worth noting that one positioning arc piece can also be used for positioning, but two positioning arc pieces can be used for positioning in two opposite directions, so that the positioning efficiency is improved.
As a further improvement to the above scheme, the circular seam drilling device further comprises a circular ring 6, a first movable block 7 and a second movable block 8; the circular ring 6 comprises an outer ring 61 and an inner ring 62, the outer ring 61 is provided with at least three outer ring supports 611 connected with the drill cylinder base 2, and the inner ring 62 is provided with at least three inner ring supports 621 connected with the drill cylinder base 2; first movable block 7 and second movable block 8 press from both sides and locate between outer loop 61 and the inner ring 62, just first movable block 7 and second movable block 8 can slide between outer loop 61 and the inner ring 62, first movable block 7 with first location arc piece 4 links to each other, second movable block 8 with second location arc piece 5 links to each other. The gap between the outer ring 61 and the inner ring 62 is a sliding channel of the first movable block 7 and the second movable block 8, and the design of the circular ring 6 realizes that the first positioning arc piece 4 and the second positioning arc piece 5 rotate around the center of the drill barrel 1.
As a further improvement to the above solution, the first movable block 7 and the second movable block 8 have the same structure; the first movable block 7 comprises a screw rod part 71, a sliding block part 72 and a sliding rail part 73 which are connected in sequence; the slider part 72 is an arc slider and is clamped between the outer ring 61 and the inner ring 62 and slides between the outer ring 61 and the inner ring 62; the slide rail portion 73 is connected to the link 42. Specifically, the slider portion 72 is further provided with a conical block 721 on the arc surface close to the outer ring 61. Specifically, a nut is also fitted to the screw portion 71. After the position of the first movable block 7 is determined, the nut is locked, i.e., the nut and the conical block 721 are locked to position the first movable block 7. Preferably, the outer ring 61 is further provided with a plurality of scribed lines 612, the scribed lines 612 are uniformly distributed around the circumference of the outer ring 61, the scribed lines 612 facilitate accurate adjustment of angles of the first positioning arc piece 4 and the second positioning arc piece 5, and the tip of the conical block 721 can be used as a pointer.
As a further improvement to the above solution, the slide rail portion 73 has a polygonal shape; the connecting rod 42 is also provided with a polygonal inner chute 421 matched with the shape of the slide rail part 73; the connecting rod 42 is further provided with a fastening threaded hole 422 for mounting a fastening screw, and the connecting rod 42 can slide on the sliding rail part 73, so that the extending position of the arc-shaped piece 41 can be adjusted conveniently, namely when the drill barrel 1 is at the initial position, the arc-shaped piece 41 extends out of the drill barrel 1, and the positioning operation is facilitated.
As a further improvement to the above, the outer ring holder 611 and the inner ring holder 621 are fixedly connected. In one embodiment, the outer ring support 611 and the inner ring support 621 are assembled into a Y-shaped support, so that half as many mounting holes can be formed in the drill base 2.
As a further improvement to the above solution, an arc-shaped protrusion 43 is provided at an end of the arc-shaped piece 41 facing the working area, and an end of the center positioning shaft 3 is also arc-shaped. The purpose of the design is that when no old circular hole seam exists in a working area, the two circular arc protruding parts 43 and the circular arc end parts of the central positioning shaft 3 jointly form a stable triangular structure by adjusting the relative positions and angles of the first positioning arc piece 4 and the second positioning arc piece 5, and three-point positioning is realized.
As a further improvement to the above scheme, the circumferential seam drilling device further comprises a central shaft pushing mechanism, the central shaft pushing mechanism is arranged on one side of the drill barrel 1, which is away from the working area, and is used for driving the central positioning shaft 3 to move towards the working area, that is, when the drill barrel 1 is in the initial position, the central positioning shaft 3 extends out of the drill barrel 1, so that the positioning operation is facilitated.
Based on the circumferential weld drilling device that provides in the above-mentioned embodiment, the utility model also provides a circumferential weld rig, this circumferential weld rig includes arbitrary circumferential weld drilling device in the above-mentioned embodiment. Because the circular seam drilling machine adopts the circular seam drilling device in the embodiment, the beneficial effects of the circular seam drilling machine refer to the embodiment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. The utility model provides a circumferential seam drilling equipment which characterized in that: comprises a drilling barrel (1), a drilling barrel base (2), a central positioning shaft (3), a first positioning arc sheet (4) and a second positioning arc sheet (5); the drill cylinder (1) is slidably arranged on the drill cylinder base (2); the central positioning shaft (3) is arranged in the center of the drilling barrel (1) and is used for extending into a working area to preliminarily position the drilling barrel (1); first location arc piece (4) and the gliding installation of second location arc piece (5) are in on the brill section of thick bamboo base (2), just first location arc piece (4) and second location arc piece (5) are located brill section of thick bamboo (1) outside and all can be around boring a section of thick bamboo (1) central rotation, first location arc piece (4) and second location arc piece (5) are rotatory all keep the centre-to-centre spacing unanimous with brill section of thick bamboo (1) to optional position, first location arc piece (4) and second location arc piece (5) are used for the assistance-localization real-time brill section of thick bamboo (1).
2. The circumferential seam drilling device of claim 1, wherein: the first positioning arc piece (4) and the second positioning arc piece (5) have the same structure; the first positioning arc piece (4) comprises an arc piece (41) and a connecting rod (42), the diameter of the arc piece (41) is the same as that of the drilling barrel (1), the arc piece (41) is fixed at one end of the connecting rod (42), and the other end of the connecting rod (42) is connected with the drilling barrel base (2) in a sliding mode.
3. The circumferential seam drilling device of claim 2, wherein: the circular seam drilling device also comprises a circular ring (6), a first movable block (7) and a second movable block (8); the circular ring (6) comprises an outer ring (61) and an inner ring (62), at least three outer ring supports (611) connected with the drill cylinder base (2) are arranged on the outer ring (61), and at least three inner ring supports (621) connected with the drill cylinder base (2) are arranged on the inner ring (62); first movable block (7) and second movable block (8) press from both sides and locate between outer ring (61) and inner ring (62), just first movable block (7) and second movable block (8) can slide between outer ring (61) and inner ring (62), first movable block (7) with first location arc piece (4) link to each other, second movable block (8) with second location arc piece (5) link to each other.
4. The trepan drilling apparatus of claim 3, wherein: the first movable block (7) and the second movable block (8) have the same structure; the first movable block (7) comprises a screw rod part (71), a sliding block part (72) and a sliding rail part (73) which are connected in sequence; the sliding block part (72) is an arc-shaped sliding block and is clamped between the outer ring (61) and the inner ring (62) and slides between the outer ring (61) and the inner ring (62); the slide rail part (73) is connected with the connecting rod (42).
5. The circumferential seam drilling device of claim 4, wherein: a conical block (721) is further arranged on the cambered surface of the sliding block part (72) close to the outer ring (61); the outer ring (61) is also provided with a plurality of scribed lines (612), and the scribed lines (612) are uniformly distributed around the circumference of the outer ring (61).
6. The circumferential seam drilling device of claim 4, wherein: the sliding rail part (73) is polygonal; the connecting rod (42) is also provided with a polygonal inner sliding groove (421) matched with the sliding rail part (73) in shape; and a fastening threaded hole (422) for mounting a fastening screw is further formed in the connecting rod (42).
7. The trepan drilling apparatus of claim 3, wherein: the outer ring support (611) and the inner ring support (621) are fixedly connected.
8. The circumferential seam drilling device of claim 2, wherein: an arc-shaped bulge (43) is arranged at one end, opposite to the operation area, of the arc-shaped sheet (41), and the end part of the central positioning shaft (3) is arc-shaped.
9. The circumferential seam drilling device of claim 1, wherein: the circular seam drilling device further comprises a central shaft propelling mechanism, wherein the central shaft propelling mechanism is arranged on one side, deviating from the working area, of the drilling barrel (1) and is used for driving the central positioning shaft (3) to move towards the working area.
10. A circular seam drilling machine, characterized by comprising a circular seam drilling device according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920617508.4U CN209942735U (en) | 2019-04-30 | 2019-04-30 | Circumferential weld drilling device and circumferential weld drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920617508.4U CN209942735U (en) | 2019-04-30 | 2019-04-30 | Circumferential weld drilling device and circumferential weld drilling machine |
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| CN209942735U true CN209942735U (en) | 2020-01-14 |
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| CN201920617508.4U Active CN209942735U (en) | 2019-04-30 | 2019-04-30 | Circumferential weld drilling device and circumferential weld drilling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456625A (en) * | 2020-04-14 | 2020-07-28 | 杨城茏 | Back slag-discharging type horizontal circular seam drilling tool |
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2019
- 2019-04-30 CN CN201920617508.4U patent/CN209942735U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456625A (en) * | 2020-04-14 | 2020-07-28 | 杨城茏 | Back slag-discharging type horizontal circular seam drilling tool |
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