CN114799284B - Adjustable straight angle oil hole drilling jig and application method thereof - Google Patents
Adjustable straight angle oil hole drilling jig and application method thereof Download PDFInfo
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- CN114799284B CN114799284B CN202111425237.0A CN202111425237A CN114799284B CN 114799284 B CN114799284 B CN 114799284B CN 202111425237 A CN202111425237 A CN 202111425237A CN 114799284 B CN114799284 B CN 114799284B
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- 238000005553 drilling Methods 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 238000005461 lubrication Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
- B23B47/281—Jigs for drilling cylindrical parts
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- Engineering & Computer Science (AREA)
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- Drilling And Boring (AREA)
Abstract
The invention discloses an adjustable straight angle oil hole drilling jig and a use method thereof, wherein the adjustable straight angle oil hole drilling jig comprises a backup plate fixed on the end face of a stern tube and adjustable drilling jig body structures arranged at two ends of the backup plate; the drilling jig body structure comprises an L-shaped drilling jig body, wherein the horizontal section and the vertical section of the L-shaped drilling jig body are respectively provided with a positioning and adjusting mechanism, a drilling sleeve is arranged in the positioning and adjusting mechanism in a clamping mode, a connecting body is fixed on the other side face of the vertical section of the L-shaped drilling jig body, and a switch magnetic base is arranged on the connecting body. The right-angle oil hole with various specifications can be machined on the stern tube rapidly and accurately by matching with the magnetic drill, so that the construction efficiency is effectively improved, and the construction cost is reduced.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to an adjustable straight angle oil hole drilling jig and a using method thereof.
Background
At present, most of stern tube devices of civil ships adopt an oil lubrication system, stern tubes are provided with tail seals, the tail seals need oil inlet lubrication, an oil tube enters and exits from the end face of the stern tube, the oil tube consists of an axial hole and a radial hole, right angles are opposite to each other (see figure 15), the oil tube needs to be drilled and processed on site when being built, the drilling position of an oil hole needs to be accurate, and the problems existing in the current drilling work are that:
1. Because the position of the oil hole needs to be accurate, otherwise, the oil hole cannot be aligned with the oil inlet and outlet hole on the oil seal, so that the smooth oil pipeline is not smooth, the lubrication is poor, and serious accidents are caused, and in order to improve the on-site construction precision, a drill jig needs to be manufactured.
2. The traditional drilling jig is made of a thick steel plate, is required to bend an arc surface, is high in manufacturing difficulty, is fixed by utilizing an oil seal fixing screw hole which is drilled, and is heavy in drilling axial and radial oil holes (see figure 16).
3. Because of different ship types, the specifications of the stern tube are different, and the oil hole deflection angle, the screw hole deflection angle, the center distance, the positioning hole diameter, the oil hole diameter, the axial depth and other dimensions are different (see fig. 15), the traditional drilling jig cannot be adjusted, one ship type needs to be manufactured, and the cost is high.
Disclosure of Invention
In view of the above, the present invention provides an adjustable drilling jig for straight angle oil holes and a method for using the same, which are used for solving the problems in the prior art.
An adjustable straight angle oil hole drilling jig comprises a template fixed on the end face of a stern tube and adjustable drilling jig body structures arranged at two ends of the template;
the drilling jig body structure comprises an L-shaped drilling jig body which is clamped at the mouth of a stern tube and enables one side face of a vertical section of the L-shaped drilling jig body to be in contact with a template, positioning adjusting mechanisms are arranged on the horizontal section and the vertical section of the L-shaped drilling jig body, a drilling sleeve is clamped in the positioning adjusting mechanisms, a connecting body is fixed on the other side face of the vertical section of the L-shaped drilling jig body, and a switch magnetic seat used for adsorbing and fixing the drilling jig body structure on the stern tube is mounted on the connecting body.
Preferably, the positioning and adjusting mechanism comprises a sliding block clamped in the L-shaped drilling die body and an adjusting rod penetrating through the end part of the L-shaped drilling die body and fixedly connected with the sliding block, and the drill sleeve is arranged in the sliding block.
Preferably, the horizontal section and the vertical section of the L-shaped drilling die body are provided with sliding grooves, and the end parts of the horizontal section and the vertical section of the L-shaped drilling die body are provided with first adjusting holes communicated with the sliding grooves.
Preferably, the section of the sliding block is in a convex shape, a second adjusting hole aligned with the first adjusting hole is formed in one side face of the shoulder part of the sliding block, a second fixing hole used for fixing the drill bushing is formed in the other side face of the shoulder part of the sliding block, a sleeve hole and a clamping hole are formed in the head part of the sliding block, the clamping hole is communicated with the second adjusting hole, and the adjusting rod sequentially penetrates through the first adjusting hole and the second adjusting hole and is located in the clamping hole.
Preferably, the end part of the adjusting rod is also provided with an opening check ring, and the size of the opening check ring is larger than the aperture of the second adjusting hole.
Preferably, the surface of the drill bushing is further provided with a pit, and when the drill bushing is inserted into the bushing hole of the sliding block, the pit on the drill bushing is exactly aligned with the second fixing hole of the sliding block, so that the end part of the fastener screwed into the second fixing hole is abutted into the pit.
Preferably, the template is provided with a first fixing hole corresponding to the screw hole on the end face of the stern tube, and two side edges of the template form a certain included angle with the central line of the template.
Preferably, the inclination angles of the two sides of the template correspond to the deflection angle of the oil hole of the stern tube.
The application method of the drilling jig for the oil hole with the adjustable straight angle specifically comprises the following steps:
S1, assembling two groups of drilling jig body structures;
S2, adjusting two positioning adjusting mechanisms in the drill jig body structure according to the axial depth of the oil hole of the stern tube and the distance from the center of the oil hole to the inner hole wall of the rear end of the tail tube so as to adjust the position of a drill bushing arranged on the positioning adjusting mechanism;
s3, installing a template at a to-be-constructed part of the end face of the stern tube;
S4, opening the switch magnetic seats of the two groups of drilling jig body structures, clamping the two groups of drilling jig body structures at the mouth of the stern tube and enabling the side surfaces of the respective L-shaped drilling jig bodies to be attached to the corresponding side edges of the template;
S5, inserting the drill bit of the drilling machine into the drill sleeves of the two groups of drill jig body structures to drill the oil holes.
Preferably, the inner diameter of the drill bushing is matched with the diameter of the oil hole.
The beneficial effects of the invention are as follows:
1. the drilling jig for the adjustable straight angle oil hole has a simple structure and is convenient to operate, and the drilling jig can be matched with a magnetic drill to rapidly and accurately process the right angle oil holes with various specifications on the stern tube, so that the construction efficiency is effectively improved, and the construction cost is reduced.
2. The position of the drill sleeve on the drilling jig for the adjustable straight angle oil hole can be adjusted through the positioning and adjusting mechanism, and the accuracy of the drilling position of the right angle oil hole can be improved, so that the drilling precision is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an adjustable straight angle oil hole jig of the present invention.
Fig. 2 is a rear view of the adjustable angle oil hole jig of the present invention.
Fig. 3 is a schematic structural view of the drill jig body structure.
Fig. 4 is a cross-sectional view taken along A-A in fig. 3.
Fig. 5 is a schematic perspective view of an L-shaped drilling mold body.
Fig. 6 is a schematic perspective view of a slider.
Fig. 7 is a longitudinal section of the slider.
Fig. 8 is a longitudinal section of the drill sleeve.
Fig. 9 is a schematic structural view of the master plate.
Fig. 10 is a schematic structural view of the connector.
Fig. 11 is a view showing a state in which the adjustable straight angle oil hole jig of the present invention is mounted on the stern tube.
Fig. 12 is a front view of the adjustable angle oil hole jig of the present invention mounted on a stern tube.
Fig. 13 is a sectional view taken along line B-B in fig. 12.
Fig. 14 is a cross-sectional view taken along line C-C of fig. 12.
Fig. 15 is a schematic view of the butt joint of the tail pipe oil hole and the oil seal oil hole in the background art.
Fig. 16 is a conventional jig in the background art.
The meaning of the reference numerals in the figures is:
100: a connecting body;
200: l-shaped drilling die body, 210: chute, 220: a first adjustment aperture;
300: slider, 310: shoulder, 320: head, 330: second adjustment aperture, 340: second fixing hole, 350: trepanning, 360: a clamping hole and a pin hole 370;
400: drill bushing, 410: pit;
500: an adjusting rod;
600: a drill jig body structure;
700: a nut;
800: template, 810: first fixing hole, 820: a side edge;
900: a bolt;
1001: switch magnetic base 1002: circlip, 1003: screw holes on the end face of the stern tube, 1004: stern tube 1005: oil hole, 1006: an elastic cylindrical pin.
Detailed Description
For a better understanding of the technical solution of the present invention, the following detailed description of the embodiments of the present invention refers to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The application will now be described in further detail with reference to specific examples thereof in connection with the accompanying drawings.
In the description of the present application, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly specified or limited otherwise; the term "plurality" means two or more, unless specified or indicated otherwise; the terms "coupled," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, it should be understood that the terms "upper", "lower", "left", "right" and the like in the embodiments of the present application are described in terms of angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.
The invention provides an adjustable straight angle oil hole drilling jig which is matched with a magnetic drill to rapidly and accurately process right angle oil holes with various specifications on a stern tube, so that the construction efficiency is effectively improved, and the construction cost is reduced.
The adjustable straight angle oil hole drill jig of the present invention includes a master plate 800 and a jig body structure 600.
The template 800 is arranged on the end face of the stern tube. The template 800 is provided with a first fixing hole 810 corresponding to the screw hole on the end surface of the stern tube. The two sides 820 of the template 800 form a certain angle with the center line, specifically, the inclination angle of the two sides of the template 800 corresponds to the oil hole offset angle of the stern tube.
The jig body structure 600 is disposed at both ends of the template 800 for positioning a drill bit of a drilling machine to drill a right angle oil hole on the stern tube.
The drill die body structure 600 includes an L-shaped drill die body 200, a positioning adjustment mechanism, a drill bushing 400, a connector 100, and a switch magnet 1001.
The L-shaped drilling die body 200 is caught at the stern tube orifice and has one side of its vertical section in contact with the side 820 of the template 800.
Specifically, the horizontal section and the vertical section of the L-shaped drilling die body 200 are provided with sliding grooves 210, each sliding groove 210 is internally provided with a positioning and adjusting mechanism, each positioning and adjusting mechanism is provided with a drilling sleeve 400 in a clamping manner, the positioning and adjusting mechanism located at the horizontal section of the L-shaped drilling die body is used for adjusting the position of the drilling sleeve in the axial direction, and the positioning and adjusting mechanism located at the vertical section of the L-shaped drilling die body is used for adjusting the position of the drilling sleeve in the radial direction. The ends of the horizontal section and the vertical section of the L-shaped drilling mold body 200 are provided with first adjusting holes 220 communicated with the sliding grooves 210.
The positioning and adjusting mechanism comprises a sliding block 300 clamped in a sliding groove 210 of the L-shaped drilling die body 200 and an adjusting rod 500 penetrating through a first adjusting hole 220 at the end part of the L-shaped drilling die body 200 and fixedly connected with the sliding block 300. The drill bushing 400 is disposed within the slider 300.
The section of the sliding block 300 is in a convex shape, a second adjusting hole 330 aligned with the first adjusting hole 220 is arranged on one side surface of the shoulder 310 of the sliding block 300, a second fixing hole 340 for fixing the drill bushing 400 is arranged on the other side surface of the shoulder, a sleeve hole 350 and a clamping hole 360 are arranged on the head 320 of the sliding block, and the clamping hole 360 is communicated with the second adjusting hole 330.
When the positioning and adjusting mechanism is installed on the L-shaped drilling die body 200, the shoulder 310 of the sliding block is clamped in the sliding groove 210 of the L-shaped drilling die body 200, meanwhile, the adjusting rod 500 sequentially passes through the first adjusting hole 220 and the second adjusting hole 330, the end parts of the adjusting rod 500 are clamped in the clamping holes 360, and the adjusting rod 500 is locked and fixed by the nuts 700; then, the drill bushing 400 is inserted into the clamping hole 360 of the slider 300 (the outer diameter of the drill bushing 400 is matched with the inner diameter of the clamping hole 360), a screw is screwed into the second fixing hole 340 of the slider, and the drill bushing 400 is locked and fixed, so that the drill bushing 400 is prevented from moving during drilling.
Preferably, the surface of the drill bushing 400 is further provided with a recess 410, when the drill bushing 400 is inserted into the bushing hole 350 of the slider, the recess 410 on the drill bushing 400 is exactly aligned with the second fixing hole 340 of the slider 300, so that the end of the screw screwed into the second fixing hole 340 can exactly abut against the recess 410 to lock the position of the drill bushing 400.
In this embodiment, the adjusting rod 500 is a screw, and when the adjusting rod 500 is screwed, the adjusting rod 500 drives the sliding block 300 to move in the sliding groove 210 of the L-shaped drilling die body due to the connection between the adjusting rod 500 and the sliding block 300, so as to adjust the position of the drill bushing 400 mounted on the sliding block 300.
In order to avoid the situation that the adjusting rod 500 is disconnected from the sliding block 300 in the process that the adjusting rod 500 drives the sliding block 300 to move, a split check ring 1002 can be additionally arranged at the end part of the adjusting rod 500, and the size of the split check ring 1002 is larger than the aperture of the second adjusting hole 330.
The other side of the vertical section of the L-shaped drilling die body 200 is fixed with a connector 100, and the connector 100 is provided with a switch magnetic seat 1001 for adsorbing and fixing the drilling die body structure 600 on the stern tube.
In this embodiment, the connection body 100 is composed of a rectangular plate and an ear plate vertically fixed on a side edge of the rectangular plate, and the rectangular plate of the connection body 100 is fixed on a vertical section of the L-shaped drilling die body 200 by bolts.
The invention discloses a use method of an adjustable straight angle oil hole drilling jig, which specifically comprises the following steps:
S1, assembling two groups of drilling jig body structures 600.
S2, according to the axial depth of the stern tube oil hole 1005 and the distance from the center of the oil hole 1005 to the inner hole wall of the tail tube rear end, two positioning adjusting mechanisms in the drill jig body structure are adjusted to adjust the positions of the drill bushings 400 arranged on the positioning adjusting mechanisms, namely, the axial direction drill bushings and the radial direction drill bushings on the two groups of drill jig body structures are adjusted to proper positions, and after the two groups of drill bushings and the radial direction drill bushings are adjusted to proper positions, the adjusting rods 500 of the positioning adjusting mechanisms are locked by nuts 700.
And S3, mounting the template 800 on the to-be-constructed part of the end face of the stern tube 1004.
Specifically, the template 800 is abutted against the end face of the stern tube 1004 so that the first fixing hole 810 thereof is aligned with the screw hole 1003 on the end face of the stern tube, and then the bolt 900 is screwed into the first fixing hole 810 and the screw hole 1003 on the end face of the stern tube, thereby locking and fixing the template 800.
S4, opening the switch magnetic seats 1001 of the two groups of drill jig structures, clamping the two groups of drill jig structures 600 at the pipe orifice of the stern tube 1004 and enabling the side surfaces of the respective L-shaped drill jig bodies 200 to be attached to the corresponding side edges of the template 800.
After the two sets of jig structures 600 are installed, their respective switch magnet holders 1001 are closed.
S5, inserting the drill bit of the drilling machine into the axial direction drill sleeve and the radial direction drill sleeve on the two groups of drill jig body structures 600 to drill oil holes.
The inner diameter of the drill bushing 400 is matched with the diameter of the oil hole.
After drilling is completed, the switch magnetic base 1001 is turned on, the two sets of drill jig body structures 600 are removed from the end of the stern tube 1004, and then the bolts 900 on the template 800 are unscrewed, and the template 800 is removed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the invention.
Claims (7)
1. The drilling jig is characterized by comprising a template fixed on the end face of a stern tube and adjustable drilling jig body structures arranged at two ends of the template;
the drilling jig body structure comprises an L-shaped drilling jig body which is clamped at the mouth of a stern tube and enables one side surface of a vertical section of the L-shaped drilling jig body to be in contact with a template, positioning adjusting mechanisms are arranged on the horizontal section and the vertical section of the L-shaped drilling jig body, a drilling sleeve is clamped in the positioning adjusting mechanisms, a connecting body is fixed on the other side surface of the vertical section of the L-shaped drilling jig body, and a switch magnetic seat for adsorbing and fixing the drilling jig body structure on the stern tube is arranged on the connecting body;
The two sides of the template form a certain included angle with the central line of the template form, and the inclination angles of the two sides of the template form correspond to the deflection angle of the oil hole of the stern tube;
The positioning and adjusting mechanism comprises a sliding block clamped in the L-shaped drilling die body and an adjusting rod penetrating through the end part of the L-shaped drilling die body and fixedly connected with the sliding block, and the drill sleeve is arranged in the sliding block.
2. The drilling jig for the oil hole with adjustable straight angle according to claim 1, wherein the horizontal section and the vertical section of the L-shaped drilling jig body are provided with sliding grooves, and the end parts of the horizontal section and the vertical section of the L-shaped drilling jig body are provided with first adjusting holes communicated with the sliding grooves.
3. The drilling jig for the oil hole with adjustable straight angle according to claim 2, wherein the section of the sliding block is in a convex shape, a second adjusting hole aligned with the first adjusting hole is formed in one side face of the shoulder part of the sliding block, a second fixing hole for fixing the drill bushing is formed in the other side face of the shoulder part of the sliding block, a sleeve hole and a clamping hole are formed in the head part of the sliding block, the clamping hole is communicated with the second adjusting hole, the adjusting rod sequentially penetrates through the first adjusting hole and the second adjusting hole and is located in the clamping hole, a pin hole is formed in the side face of the sliding block, and after the sliding block is installed on the L-shaped drilling jig body, an elastic cylindrical pin penetrates into the pin hole to enable the sliding block to be unable to deviate from the sliding groove.
4. The drilling jig for the adjustable straight angle oil hole according to claim 3, wherein a split washer is further installed at the end portion of the adjusting rod, and the size of the split washer is larger than the aperture of the second adjusting hole.
5. A drilling jig for an oil hole with adjustable straight angle as set forth in claim 3, wherein the surface of the drill bushing is further provided with a recess, and when the drill bushing is inserted into the bushing hole of the slider, the recess on the drill bushing is aligned with the second fixing hole of the slider, so that the end of the fastener screwed into the second fixing hole is abutted into the recess.
6. A method of using the adjustable angle oil hole drilling jig of any one of claims 1-5, comprising the steps of:
S1, assembling two groups of drilling jig body structures;
S2, adjusting two positioning adjusting mechanisms in the drill jig body structure according to the axial depth of the oil hole of the stern tube and the distance from the center of the oil hole to the inner hole wall of the rear end of the tail tube so as to adjust the position of a drill bushing arranged on the positioning adjusting mechanism;
s3, installing a template at a to-be-constructed part of the end face of the stern tube;
S4, opening the switch magnetic seats of the two groups of drilling jig body structures, clamping the two groups of drilling jig body structures at the mouth of the stern tube and enabling the side surfaces of the respective L-shaped drilling jig bodies to be attached to the corresponding side edges of the template;
S5, inserting the drill bit of the drilling machine into the drill sleeves of the two groups of drill jig body structures to drill the oil holes.
7. The method of claim 6, wherein the inner diameter of the bushing matches the diameter of the oil hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111425237.0A CN114799284B (en) | 2021-11-26 | 2021-11-26 | Adjustable straight angle oil hole drilling jig and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111425237.0A CN114799284B (en) | 2021-11-26 | 2021-11-26 | Adjustable straight angle oil hole drilling jig and application method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN114799284A CN114799284A (en) | 2022-07-29 |
| CN114799284B true CN114799284B (en) | 2024-09-06 |
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| CN202111425237.0A Active CN114799284B (en) | 2021-11-26 | 2021-11-26 | Adjustable straight angle oil hole drilling jig and application method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8707717D0 (en) * | 1987-04-01 | 1987-05-07 | Channelwood Preservations Ltd | Drill jig |
| CN106141254A (en) * | 2016-08-25 | 2016-11-23 | 上海市安装工程集团有限公司 | A kind of F rail tablet drilling-hole positioning device |
| CN211614433U (en) * | 2020-02-28 | 2020-10-02 | 广西玉柴机器股份有限公司 | A multifunctional special drilling guide device |
| CN112798181A (en) * | 2021-03-01 | 2021-05-14 | 龙铁纵横（北京）轨道交通科技股份有限公司 | An adjustable torque calibration anti-torsion device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005020120U1 (en) * | 2005-12-23 | 2006-02-23 | Schüring GmbH & Co. Fenster-Technologie KG | Multi-spindle drilling drive has adjuster to adjust distance between two output mandrels whereby output mandrels can be fastened at desired distance on distance element, which is at adjustable distance from input mandrel |
| CN101670454B (en) * | 2009-09-24 | 2011-07-13 | 成都联创精密机械有限公司 | Movable locating device for drilling die |
| CN102000856B (en) * | 2010-12-15 | 2012-08-15 | 重庆大江工业有限责任公司 | General drill jig |
| CN208195749U (en) * | 2018-03-09 | 2018-12-07 | 湖南航天环宇通信科技股份有限公司 | Normal direction hole location adjustment mechanism based on mold bushing plate |
| CN209050444U (en) * | 2018-11-23 | 2019-07-02 | 重庆气体压缩机厂有限责任公司 | Crosshead body oilhole drilling jig gripper |
| CN211360768U (en) * | 2019-11-11 | 2020-08-28 | 张停停 | Bearing cap drilling jig with adjustable |
| CN213560076U (en) * | 2020-11-13 | 2021-06-29 | 重庆磐联传动科技有限公司 | Angle drill jig for processing straight and inclined oil holes |
| CN112570758B (en) * | 2020-11-23 | 2025-03-11 | 沪东重机有限公司 | Engine cylinder liner radial hole machining tool and radial hole machining method |
-
2021
- 2021-11-26 CN CN202111425237.0A patent/CN114799284B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8707717D0 (en) * | 1987-04-01 | 1987-05-07 | Channelwood Preservations Ltd | Drill jig |
| CN106141254A (en) * | 2016-08-25 | 2016-11-23 | 上海市安装工程集团有限公司 | A kind of F rail tablet drilling-hole positioning device |
| CN211614433U (en) * | 2020-02-28 | 2020-10-02 | 广西玉柴机器股份有限公司 | A multifunctional special drilling guide device |
| CN112798181A (en) * | 2021-03-01 | 2021-05-14 | 龙铁纵横（北京）轨道交通科技股份有限公司 | An adjustable torque calibration anti-torsion device |
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| CN114799284A (en) | 2022-07-29 |
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