CN211276608U - Drill bit positioning fixture for end face drilling of threading pipe of elevator shaft - Google Patents

Drill bit positioning fixture for end face drilling of threading pipe of elevator shaft Download PDF

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Publication number
CN211276608U
CN211276608U CN201922023143.5U CN201922023143U CN211276608U CN 211276608 U CN211276608 U CN 211276608U CN 201922023143 U CN201922023143 U CN 201922023143U CN 211276608 U CN211276608 U CN 211276608U
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CN
China
Prior art keywords
shaped
arc
drilling
elevator shaft
hole
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201922023143.5U
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Chinese (zh)
Inventor
张秀华
朱胜
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Yancheng Anke Hydraulic Machinery Co ltd
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Yancheng Anke Hydraulic Machinery Co ltd
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Application filed by Yancheng Anke Hydraulic Machinery Co ltd filed Critical Yancheng Anke Hydraulic Machinery Co ltd
Priority to CN201922023143.5U priority Critical patent/CN211276608U/en
Application granted granted Critical
Publication of CN211276608U publication Critical patent/CN211276608U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a drill bit positioning fixture of elevartor shaft threading pipe end face drilling, the bottom surface middle part of clamp splice is equipped with the arc-shaped groove, the clamp splice is run through at the both ends of arc-shaped groove, the tank bottom of arc-shaped groove evenly is equipped with bar hole A, bar hole A internal regulation is fixed with the registration arm adjustably, the external diameter of registration arm matches with bar hole A's width, the internal diameter of registration arm matches with the aperture of drilling, the notch width more than or equal to elevartor shaft threading pipe's of arc-shaped groove section of thick bamboo wall thickness, the top of clamp splice is equipped with "U" shape frame, "U" shape frame is equipped with the bar hole B that matches corresponding to bar hole A, pass through spring coupling between U "shape frame and. According to the structure, the utility model discloses a drill bit positioning fixture of elevartor shaft threading pipe end face drilling sets up anchor clamps on the rig to can both support spacingly in the drill bit that makes the rig drills at every turn, and through the effect of spring, make clamp splice and elevartor shaft threading pipe laminating location all the time, thereby guarantee the drilling accuracy of drill bit.

Description

Drill bit positioning fixture for end face drilling of threading pipe of elevator shaft
Technical Field
The utility model relates to a technical field of elevartor shaft threading pipe drilling, concretely relates to drill bit positioning fixture of elevartor shaft threading pipe end face drilling.
Background
The threading pipe in the elevator trade utilizes very frequently, especially present building is built highly more and more highly, elevator's up-and-down stroke is also more and more big, lead to the threading pipe to need many to dock, because the space of elevartor shaft is limited, and need give up to the elevator railway carriage or compartment as far as possible, so the winding displacement space need compress, the connection lantern ring in the threading pipe butt joint mode in the past, modes such as flange will increase the clearance between threading pipe and the threading pipe, lead to threading pipe occupation space great, and directly carry out the welded case with the threading pipe, then need destroy the threading pipe when leading to overhauing, it is inconvenient to lead to later stage maintenance, so the threading pipe butt joint of elevator trade has begun to fix with pegging graft at present, and pegging graft fixed connection then must just can realize at the terminal surface drilling fixed connection spare of threading.
But when the terminal surface drilling to some elevartor shaft threading pipes such as the threading pipe among the elevator trade, it is relatively simple not like the drilling processing of ordinary work piece, need fix a position the position of punching of work piece at present, but the terminal surface of elevartor shaft threading pipe is the center point of beating of very convenient, even the tip to the elevartor shaft threading pipe is beaten the center point, still can only rely on very experienced teachers and masters manual operation at present, because every work piece all need measure and beat the point, so efficiency is extremely low, and owing to be manual operation, can not guarantee that all positions of beating the point can be identical completely, this accuracy that just leads to the hole site can not be guaranteed. In addition, when drilling, the drill bit slips or shakes when not yet drilling into the workpiece, which also causes inaccuracy in the drilling position.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the drill positioning clamp for drilling the end face of the elevator shaft threading pipe is arranged on a drilling machine, so that a drill of the drilling machine can be supported and limited during each drilling, and a clamping block and the elevator shaft threading pipe are always attached and positioned under the action of a spring, so that the drilling precision of the drill is ensured; when the end face of the elevator shaft threading pipe is drilled, the drill can conveniently and accurately find a drilling position under the action of the positioning clamp on the premise of not dotting a workpiece; the positioning tube has supporting and limiting effects on the drill bit, so that the position accuracy of the drill bit during drilling is ensured; through the structure of the strip-shaped hole and the positioning pipe, the position of the positioning pipe relative to the end surface of the elevator shaft threading pipe is convenient to adjust, and the applicability of the utility model is improved; through the groove wall structure of the arc-shaped groove, the clamping block can be suitable for the elevator shaft threading pipe with the inner diameter and the outer diameter both in the notch range of the arc-shaped groove, and the applicability of the utility model is further improved; the distance is arranged between the notch of the circular arc groove and the inner wall and the outer wall of the clamping block, so that the notch of the circular arc groove is prevented from forming a sharp groove wall blade, and a groove wall for placing the circular groove scratches a workpiece or an operator.
The utility model adopts the technical proposal that:
drill bit positioning fixture of elevartor shaft threading pipe end face drilling, including the clamp splice, the bottom surface middle part of clamp splice is equipped with the arc-shaped groove, the clamp splice is run through at the both ends of arc-shaped groove, the tank bottom in arc-shaped groove evenly is equipped with bar hole A, the equal directional arc-shaped groove's of bar hole A centre of a circle, bar hole A internal regulation is fixed with the registration arm, the section of the both sides cell wall in arc-shaped groove is down narrow domatic in the width, the external diameter of registration arm matches with bar hole A's width, the internal diameter of registration arm matches with the aperture of drilling, the notch width more than or equal to elevartor shaft threading pipe's section of thick bamboo wall thickness in arc-shaped groove, the top of clamp splice is equipped with "U" shape frame, "U" shape frame is equipped with the bar hole B that matches corresponding to bar hole A, pass through spring coupling between.
The utility model discloses the further improvement scheme is, the end opening of registration arm outwards is equipped with the annular turn-ups, the turn down rims external diameter of annular is greater than bar hole A's width.
The utility model discloses further improve the scheme and be, the double-phase offside of registration arm top mouth is equipped with the otic placode parallel with the clamp splice top respectively, the line of otic placode is perpendicular with the length direction in place bar hole A, and the tight bolt in top passes downwards the top contact with the clamp splice behind the screw thread through-hole that the otic placode was established to it is fixed with the turn-ups of registration arm bottom and bar hole A's bottom contact.
The utility model discloses further improve the scheme be, the width less than or equal to bar hole A's of otic placode width.
The utility model discloses further improve the scheme and be, the cell wall and the tank bottom junction of arc-shaped groove, the both ends position punishment that corresponds and be located bar hole A do not are equipped with the notch that matches with the turn-ups.
The utility model discloses further improve the scheme and be, the notch border of circular arc groove all is equipped with the interval with the outer wall and the inner wall of clamp splice.
The utility model discloses further improve the scheme and be, the lateral wall that the clamp splice corresponds to bar hole A both ends position department is fixed respectively and is equipped with the connection diaphragm, the top surface of connecting the diaphragm is fixed with the direction pole setting, on the chassis of "U" shape frame, be equipped with through-hole A corresponding to the direction pole setting respectively, the direction pole setting upwards passes through-hole A after passing the spring.
The utility model discloses further improve the scheme and be, the both ends at connection diaphragm outside border are located to the direction pole setting.
The utility model discloses further improve the scheme and be, the side bearer top of "U" shape frame is equipped with through-hole B respectively, and mounting bolt passes behind the through-hole B with rig fixed connection, the both sides that are located "U" shape frame on the mounting bolt are equipped with the nut respectively, the nut is with "U" shape frame clamp is tight fixed.
The beneficial effects of the utility model reside in that:
first, the utility model discloses a drill bit positioning fixture of elevartor shaft threading pipe end face drilling sets up anchor clamps on the rig to can both support spacingly when making the drill bit of rig drill hole at every turn, and through the effect of spring, make clamp splice and elevartor shaft threading pipe laminating location all the time, thereby guarantee the drilling precision of drill bit.
Secondly, the utility model discloses a drill bit positioning fixture for drilling the end face of the elevator shaft threading pipe, when the end face of the elevator shaft threading pipe is drilled, under the action of the positioning fixture, the drill bit can quickly and accurately find the drilling position on the premise of not dotting the workpiece; and the positioning tube has supporting and limiting effects on the drill bit, so that the position accuracy of the drill bit during drilling is ensured.
Third, the utility model discloses a drill bit positioning fixture of elevartor shaft threading pipe end face drilling, through the structure of bar hole and registration arm, be convenient for adjust the position of registration arm for elevartor shaft threading pipe terminal surface, improved the utility model discloses an adaptability.
Fourth, the utility model discloses a drill bit positioning fixture of elevartor shaft threading pipe end face drilling, through the cell wall structure of arc-shaped groove for the clamp splice all is at the elevartor shaft threading pipe of the notch within range of arc-shaped groove in the internal and external diameter can be suitable for, has further improved the utility model discloses an adaptability.
Fifth, the utility model discloses a drill bit positioning fixture of elevartor shaft threading pipe end face drilling is equipped with the interval between the notch in arc-shaped groove and the interior outer wall of clamp splice to avoid the notch in arc-shaped groove to form sharp-pointed cell wall sword, place the cell wall fish tail work piece or the operative employee of ring channel.
Description of the drawings:
fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic bottom view of the present invention.
Fig. 3 is a front view, a cross-sectional view and an enlarged schematic view of the drilling of the present invention.
The specific implementation mode is as follows:
as can be seen from figures 1-2, the drill positioning clamp for end face drilling of the threading pipe of the elevator shaft comprises a clamping block 1, wherein an arc groove 2 is arranged in the middle of the bottom surface of the clamping block 1, two ends of the arc groove 2 penetrate through the clamping block 1, a strip-shaped hole A12 is uniformly arranged at the bottom of the arc groove 2, the strip-shaped holes A12 are all directed to the center of the arc groove 2, a positioning pipe 6 is adjustably fixed in the strip-shaped hole A12, the sections of the groove walls at two sides of the arc groove 2 are slopes 11 with wide bottom and narrow top, the outer diameter of the positioning pipe 6 is matched with the width of the strip-shaped hole A12, the inner diameter of the positioning pipe 6 is matched with the aperture of the drilled hole, the width of the notch of the arc groove 2 is more than or equal to the thickness of the cylinder wall of the threading pipe 19 of the elevator shaft, a U-shaped frame 3 is arranged at the top of the clamping block 1, and the U-shaped frame 3 is, the U-shaped frame 3 is connected with the clamping block 1 through a spring 10; the bottom opening of the positioning tube 6 is outwards provided with an annular flange 7, and the outer diameter of the annular flange 7 is larger than the width of the strip-shaped hole A12; two opposite sides of the top opening of the positioning tube 6 are respectively provided with an ear plate 8 parallel to the top of the clamping block 1, the connecting line of the ear plates 8 is vertical to the length direction of the strip-shaped hole A12, and a puller bolt 9 downwards penetrates through a threaded through hole formed in the ear plate 8 and then contacts with the top of the clamping block 1, so that the flanging 7 at the bottom of the positioning tube 6 is contacted and fixed with the bottom of the strip-shaped hole A12; the width of the ear plate 8 is less than or equal to the width of the strip-shaped hole A12; notches 13 matched with the turnups 7 are respectively arranged at the connecting positions of the groove wall and the groove bottom of the arc-shaped groove 2 and the positions corresponding to the two ends of the strip-shaped hole A12; the edge of the notch of the arc-shaped groove 2 is provided with a distance with the outer wall and the inner wall of the clamping block 1; the side walls of the clamping blocks 1 corresponding to the two ends of the strip-shaped hole A12 are respectively fixedly provided with a connecting transverse plate 4, the top surface of the connecting transverse plate 4 is fixedly provided with a guide vertical rod 5, the bottom frame of the U-shaped frame 3 is respectively provided with a through hole A corresponding to the guide vertical rod 5, and the guide vertical rod 5 penetrates through the through hole A upwards after penetrating through the spring 10; the guide upright stanchions 5 are arranged at two ends of the outer side edge of the connecting transverse plate 4; through holes B are respectively formed in the top of the side frames of the U-shaped frame 3, mounting bolts 15 penetrate through the through holes B and then are fixedly connected with a drilling machine 17, nuts 16 are respectively arranged on the mounting bolts 15 and located on two sides of the U-shaped frame 3, and the U-shaped frame 3 is clamped and fixed by the nuts 16.
As shown in fig. 3, when the positioning pipe is used, according to the position to be punched of the elevator shaft threading pipe 19, the positioning pipe 6 with the inner diameter matched with the punching aperture penetrates into the strip-shaped hole a12 from bottom to top, and when the positioning pipe penetrates into the strip-shaped hole a12, the connecting line of the ear plates 8 of the positioning pipe 6 is matched with the length direction of the strip-shaped hole a 12; after the top of the positioning tube 6 passes through the strip-shaped hole A12, the positioning tube 6 is rotated to enable the connecting line of the lug plate 8 to be vertical to the length direction of the strip-shaped hole A12, then the puller bolt 9 passes through the threaded through hole formed in the lug plate 8, the puller bolt 9 is screwed downwards to the puller bolt 9 and the flanging 7 to lightly clamp the strip-shaped hole A12, then the positioning tube 6 is adjusted to the drilling position along the strip-shaped hole A12, and then the puller bolt 9 is screwed to fix the positioning tube 6; then a drill bit 18 matched with the inner diameter of the positioning pipe 6 is arranged at the bottom of the drilling machine 17; then the elevator shaft threading pipe is fixed with a drilling machine 17 through a mounting bolt 15, the transverse positions of the U-shaped frame 3 and the drilling machine 17 are adjusted through a nut 16, a drill bit 18 of the drilling machine 17 is positioned right above the positioning pipe 6, then the clamping block 1 is placed on the end face of one end, needing to be drilled, of the elevator shaft threading pipe 19, and the top of the clamping block 1 is ensured to be parallel to the end face of one end, needing to be drilled, of the elevator shaft threading pipe 19; finally, the drill bit 18 of the control drilling machine 17 extends into the positioning tube 4 from top to bottom against the action force of the spring 10 and then continues to move downwards, so that the elevator shaft threading tube 19 is drilled.

Claims (9)

1. Drill bit positioning fixture of elevartor shaft threading pipe end face drilling, its characterized in that: the elevator shaft threading pipe comprises a clamping block (1), wherein an arc-shaped groove (2) is formed in the middle of the bottom surface of the clamping block (1), two ends of the arc-shaped groove (2) penetrate through the clamping block (1), strip-shaped holes A (12) are uniformly formed in the groove bottom of the arc-shaped groove (2), the strip-shaped holes A (12) point to the circle center of the arc-shaped groove (2), a positioning pipe (6) is adjustably fixed in the strip-shaped holes A (12), the sections of the groove walls on two sides of the arc-shaped groove (2) are sloping surfaces (11) which are wide at the bottom and narrow at the top, the outer diameter of the positioning pipe (6) is matched with the width of the strip-shaped holes A (12), the inner diameter of the positioning pipe (6) is matched with the aperture of a drilled hole, the width of a notch of the arc-shaped groove (2) is larger than or equal to the thickness of the wall of an elevator shaft threading pipe (19), a U-shaped frame (3) is arranged at the top of the clamping, the U-shaped frame (3) is connected with the clamping block (1) through a spring (10).
2. The drill positioning jig for end drilling of an elevator shaft conduit according to claim 1, wherein: the bottom opening of the positioning tube (6) is outwards provided with an annular flanging (7), and the outer diameter of the annular flanging (7) is larger than the width of the strip-shaped hole A (12).
3. The drill positioning jig for end drilling of an elevator shaft conduit according to claim 2, wherein: the two opposite sides of the top opening of the positioning tube (6) are respectively provided with an ear plate (8) parallel to the top of the clamping block (1), the connecting line of the ear plates (8) is vertical to the length direction of the strip-shaped hole A (12), and a puller bolt (9) downwards penetrates through a threaded through hole formed in the ear plates (8) and then contacts with the top of the clamping block (1), so that the flanging (7) at the bottom of the positioning tube (6) is fixed to the bottom of the strip-shaped hole A (12) in a contacting manner.
4. The drill positioning jig for end drilling of elevator shaft conduit according to claim 3, wherein: the width of the ear plate (8) is less than or equal to the width of the strip-shaped hole A (12).
5. The drill positioning jig for end drilling of an elevator shaft conduit according to claim 2, wherein: the groove wall and groove bottom junction of circular arc groove (2), the both ends position department that corresponds to lieing in bar hole A (12) are equipped with notch (13) that match with turn-ups (7) respectively.
6. The drill positioning jig for end drilling of an elevator shaft conduit according to claim 1, wherein: the edge of the notch of the arc-shaped groove (2) is provided with a distance with the outer wall and the inner wall of the clamping block (1).
7. The drill positioning jig for end drilling of an elevator shaft conduit according to claim 1, wherein: the lateral wall that clamp splice (1) was located corresponding to bar hole A (12) both ends position is fixed respectively and is equipped with connection diaphragm (4), the top surface of connecting diaphragm (4) is fixed with direction pole setting (5), on the chassis of "U" shape frame (3), be equipped with through-hole A respectively corresponding to direction pole setting (5), direction pole setting (5) pass spring (10) to upwards passing through-hole A.
8. The drill positioning jig for end drilling of an elevator shaft conduit according to claim 7, wherein: the guide vertical rods (5) are arranged at two ends of the outer side edge of the connecting transverse plate (4).
9. The drill positioning jig for end drilling of an elevator shaft conduit according to claim 1, wherein: through holes B are respectively formed in the top parts of the side frames of the U-shaped frames (3), mounting bolts (15) penetrate through the through holes B and then are fixedly connected with a drilling machine (17), nuts (16) are respectively arranged on the mounting bolts (15) and on two sides of the U-shaped frames (3), and the U-shaped frames (3) are clamped and fixed through the nuts (16).
CN201922023143.5U 2019-11-21 2019-11-21 Drill bit positioning fixture for end face drilling of threading pipe of elevator shaft Expired - Fee Related CN211276608U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922023143.5U CN211276608U (en) 2019-11-21 2019-11-21 Drill bit positioning fixture for end face drilling of threading pipe of elevator shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922023143.5U CN211276608U (en) 2019-11-21 2019-11-21 Drill bit positioning fixture for end face drilling of threading pipe of elevator shaft

Publications (1)

Publication Number Publication Date
CN211276608U true CN211276608U (en) 2020-08-18

Family

ID=72026325

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922023143.5U Expired - Fee Related CN211276608U (en) 2019-11-21 2019-11-21 Drill bit positioning fixture for end face drilling of threading pipe of elevator shaft

Country Status (1)

Country Link
CN (1) CN211276608U (en)

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Granted publication date: 20200818