CN208034216U - Radial drilling equipment for inner wall of deep hole of cylinder body - Google Patents

Radial drilling equipment for inner wall of deep hole of cylinder body Download PDF

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Publication number
CN208034216U
CN208034216U CN201820155965.1U CN201820155965U CN208034216U CN 208034216 U CN208034216 U CN 208034216U CN 201820155965 U CN201820155965 U CN 201820155965U CN 208034216 U CN208034216 U CN 208034216U
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CN
China
Prior art keywords
drill bit
cross bar
shell
hollow cross
cylinder body
Prior art date
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.)
Withdrawn - After Issue
Application number
CN201820155965.1U
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Chinese (zh)
Inventor
刘晓强
孙妍
任长春
陈豪
夏宗禹
陈凡凡
盛伟
刘肖肖
薛金涛
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Nanjing Vocational College Of Information Technology
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Nanjing Vocational College Of Information Technology
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Publication date
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Priority to CN201820155965.1U priority Critical patent/CN208034216U/en
Application granted granted Critical
Publication of CN208034216U publication Critical patent/CN208034216U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a radial drilling equipment of cylinder body class deep hole inner wall, the technical problem of solution: the method aims at solving the technical problems that the existing method for machining the radial blind hole on the inner wall of the cylinder body is difficult, the electric spark machining and the like have the limitations of low efficiency, poor precision and the like, and when the aperture is small, the machining is more difficult. According to the technical scheme, the radial drilling equipment for the inner wall of the cylinder deep hole comprises a driving motor, a base, a cross rod part, a drill bit part and a manual feeding mechanism for pushing a drill bit to feed, wherein the driving motor is arranged on one side of the base, a motor shaft of the driving motor is connected with one end of the cross rod part through a coupler, the cross rod part is arranged on the other side of the base, and the other end of the cross rod part is connected with the drill bit part. The advantages are that: this equipment, simple structure, every gear structure in the drill bit portion is all very simple, does not have the intussusception installation for the diameter of drill bit portion and horizontal pole portion can be made less, is convenient for to the processing of the radial blind hole of little and dark inner wall.

Description

Cylinder body class inner walls of deep holes radial bore equipment
Technical field
The utility model is related to a kind of cylinder body class inner walls of deep holes radial bore equipment, belong to technical field of mechanical processing.
Background technology
It is also relatively difficult for the processing of the radial blind holes on inboard wall of cylinder block at present, mainly add using by outside is open The method that weldering is blocked up after work carries out, and the methods of electrical discharge machining can also be used to carry out, but there are efficiency low, the essence such as electrical discharge machining The limitations such as difference are spent, when aperture is smaller, processing is more difficult.
Some existing machining process are mainly used for the processing of shallow bore hole inner wall blind hole;Due to using special ultrashort drill bit, Bit life is short.Cylinder body class inner wall radial blind holes were processed also in the exploratory stage.
Utility model content
Technical problem to be solved in the utility model is, mentioned in the background art existing on inboard wall of cylinder block Radial blind holes processing it is also relatively difficult, mainly using by after the open processing in outside block up weldering method carry out, can also It is carried out using the methods of electrical discharge machining, but there are efficiency low, the limitations such as low precision such as electrical discharge machining, when aperture is smaller When, process more difficult technical problem.
To solve the above problems, technical solution adopted in the utility model is:
A kind of cylinder body class inner walls of deep holes radial bore equipment, including driving motor, pedestal, cross bar portion, bit head and be used for The hand feeding mechanism of drill bit feeding, driving motor is pushed to be arranged in the side of pedestal, the motor shaft of driving motor passes through shaft coupling Device connects horizontal one end of the rod, and cross bar portion is arranged in the other side of pedestal, and the other end in cross bar portion connects bit head;
Hand feeding mechanism includes the execution unit positioned at the manual components in cross bar portion and positioned at bit head;
Cross bar portion includes the hollow cross bar that one end carries flange, and transmission shaft is arranged in hollow cross bar in flanged joint pedestal, The both ends of transmission shaft are rotatably supported on hollow cross bar, and the right end of transmission shaft is by being keyed shaft coupling, the left end of transmission shaft Drive bevel gear is set;
Bit head includes drill bit shell, and the right end of drill bit shell connects the other end of hollow cross bar;On the right side of drill bit shell End indent be provided with the trepanning for accommodating drive bevel gear, be provided in drill bit shell with drive bevel gear external toothing from Dynamic bevel gear, driven wheel of differential empty set is in fixing axle, in the first vertical blind hole that fixing axle interference is arranged in drill bit shell, The axis of fixing axle and the axis of drill bit shell are vertically arranged;In fixing axle empty set, the first roller gear, the first Cylinder Gear are set Wheel is integrated composition duplicate gear with driven wheel of differential;The centre with the first roller gear external toothing is provided in drill bit shell Gear, intermediate gear empty set is on jackshaft, in the first vertical hole that jackshaft interference is arranged in drill bit shell, jackshaft The axis of axis and drill bit shell is vertically arranged;The second Cylinder Gear with intermediate gear external toothing is provided in drill bit shell Wheel, the second roller gear connects firmly on the top of drill bit, in the second vertical hole that drill bit is rotatably arranged in drill bit shell and drill bit It can be slided up and down along the second vertical hole, the axis of the axis and drill bit shell of drill bit is vertically arranged;
The manual components of hand feeding mechanism include push rod, and push rod is slidably arranged in the sliding slot of hollow cross bar outer surface setting Interior and push rod one end stretches out hollow cross bar and stretches into bit head driving execution unit action, and sliding slot is set along hollow cross bar length direction It sets;Indent is arranged plane on the outer surface at end where the flange on hollow cross bar, the slot bottom of plane and sliding slot is coplanar;It is hollow In plane position across gate control stick on cross bar, two installation ends of gate control stick, which are rotated by axis pin, to be arranged On hollow cross bar, empty set the push plate for pushing push rod along runner movement on gate control stick;
The execution unit of hand feeding mechanism includes resetting snap-gauge and pressing plate, and it includes horizontal snap-gauge and vertical court to reset snap-gauge Plug is arranged in the other end of the lower column being arranged in horizontal snap-gauge one end, horizontal snap-gauge, and plug is inserted into the ring of bit upper end setting In shape slot, column is inserted into the second vertical blind hole in drill bit shell and between the end of column and the bottom hole of the second vertical blind hole There are spacing;The sheathed spring on column, spring one end resist the bottom hole of the second vertical blind hole, and the spring other end resists horizontal card Plate;Pressing plate is located on drill bit outer surface of outer cover in the groove of close left end setting, groove and reset snap-gauge, drill bit top, centre Connection at the top of axis;Pressing plate includes three linkage points, is respectively pressed in the first linkage point at the top of drill bit, is supported on jackshaft top And the second linkage point for being rotatably arranged on drill bit shell by axis pin and with push rod end thereof contacts and under push rod effect Third linkage point for pushing drill bit to feed;The part push rod for stretching into bit head driving execution unit action is arranged outside drill bit In push-rod hole in shell, push-rod hole is arranged along drill bit outer cover length direction and is connected to groove;On being arranged at the notch of groove Lid.
Preferably, the axially position ring tilted for anti-throw-out lever is arranged on hollow cross bar, axially position ring passes through extremely Few three are uniformly arranged screw and are arranged on hollow cross bar.
Preferably, the installation end face evagination of flange is provided with a circle locating ring.Flange and base are convenient in the design of locating ring The installation positioning of seat.
Preferably, in the connection of one circle engaging drill bit shell right end of the other end end outer surface indent setting of hollow cross bar Portion, interconnecting piece are inserted into drill bit shell right end and are connected firmly by bolt.
Preferably, drill bit shell includes two shell pairings of symmetrical configuration, and two shells are respectively left shell and right shell Body is simultaneously bolted to connection.Two shell pairings of symmetrical configuration design, and are replaced convenient for the installation and removal of drill bit.
Preferably, it is arranged in the periphery of drill bit on drill bit shell and holds bits mouth.The design for holding bits mouth, iron filings discharge side when drilling Just, the drilling in hole is convenient for process.
The utility model has the beneficial effects that:
1, this cylinder body class inner walls of deep holes radial bore equipment, simple in structure, each gear structure in bit head is very simple It is single, it is installed without intussusception so that the diameter in bit head and cross bar portion can be made smaller, convenient for radial to small and deep inner wall The processing of blind hole.
2, this cylinder body class inner walls of deep holes radial bore equipment, bit change-over is simple, opens upper cover, turn right pressing plate, i.e., It can be removed and placed into drill bit upwards.It is easy to operate, it is at low cost.
Description of the drawings
Fig. 1 is the total figure of cylinder body class inner walls of deep holes radial bore equipment.
Fig. 2 is the half sectional view of cylinder body class inner walls of deep holes radial bore equipment.
Fig. 3 is the structural schematic diagram of driving motor and pedestal.
Fig. 4 is the sectional view in cross bar portion.
Fig. 5 is the sectional view of cross bar.
Fig. 6 is the outside drawing of bit head.
Fig. 7 is the sectional view of bit head.
Fig. 8 is the left shell schematic diagram of drill bit shell.
Fig. 9 is the schematic view of the mounting position of drill bit and the second roller gear.
Specific implementation mode
Technical solutions of the utility model are described in detail below, but the scope of protection of the utility model is not limited to The embodiment.
To keep the content of the utility model more obvious and easy to understand, below in conjunction with attached drawing 1- Fig. 9 and specific implementation mode do into The description of one step.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this Utility model is not used to limit the utility model.
As shown in Figure 1,2 and 3, cylinder body class inner walls of deep holes radial bore equipment in the present embodiment, including driving motor 100, Pedestal 200, cross bar portion 300, bit head 400 and the hand feeding mechanism for pushing drill bit to feed, the setting of driving motor 100 exist The motor shaft of the side of pedestal 200, driving motor 100 connects 300 one end of cross bar portion by shaft coupling 101, and cross bar portion 300 is set It sets in the other side of pedestal 200, the other end in cross bar portion 300 connects bit head 400.Driving motor 100 passes through shaft coupling 101 The transmission shaft 302 in cross bar portion 300 is driven to rotate.
As shown in Fig. 2, hand feeding mechanism includes being located at the manual components in cross bar portion 300 and holding positioned at bit head 400 Row component.
As shown in Figures 4 and 5, cross bar portion 300 includes the hollow cross bar 301 that one end carries flange 303, and flange 303 passes through spiral shell It tethers and connects pedestal 200, the installation end face evagination of flange 303 is provided with a circle locating ring 303-1.It is set in hollow cross bar 301 Transmission shaft 302 is set, the both ends of transmission shaft 302 are rotatably supported on hollow cross bar 301, and the right end of transmission shaft 302 passes through key 305 connection shaft couplings 101, the left end of transmission shaft 302 install drive bevel gear 304 by key or spline.Drive bevel gear 304 It is engaged with the driven wheel of differential 412 in bit head 400.
As shown in figure 4, the axially position ring 310 tilted for anti-throw-out lever 309 is arranged on hollow cross bar 301, it is axial Locating ring 310 is uniformly arranged screw by least three and is arranged on hollow cross bar 301.Axially position ring can edge as needed Cross bar 301 moves.
As shown in figure 5, in the one circle engaging drill bit shell 401 of other end end outer surface indent setting of hollow cross bar 301 The interconnecting piece 301-2 of right end, interconnecting piece 301-2 are inserted into 401 right end of drill bit shell and are connected firmly by bolt.
As shown in Fig. 6,7 and 8, bit head 400 includes drill bit shell 401, and the right end of drill bit shell 401 connects hollow cross bar 301 other end;The right end indent of drill bit shell 401 is provided with the trepanning 401-1 for accommodating drive bevel gear 304, The driven wheel of differential 412 with 304 external toothing of drive bevel gear is provided in drill bit shell 401,412 empty set of driven wheel of differential is solid On dead axle 411, in the first vertical blind hole 401-2 that 411 interference of fixing axle is arranged in drill bit shell 401, fixing axle 411 The axis of axis and drill bit shell 401 is vertically arranged;In 411 empty set of fixing axle, the first roller gear 413, the first Cylinder Gear are set Wheel 413 is integrated composition duplicate gear with driven wheel of differential 412;It is provided in drill bit shell 401 and the first roller gear 413 The intermediate gear 422 of external toothing, on jackshaft 421,421 interference of jackshaft is arranged in drill bit shell 422 empty set of intermediate gear In the first vertical hole 401-3 in 401, the axis of the axis and drill bit shell 401 of jackshaft 421 is vertically arranged;Outside drill bit The second roller gear 432 with 422 external toothing of intermediate gear is provided in shell 401, the second roller gear 432 is connected firmly in drill bit 431 top, in the second vertical hole 401-4 that drill bit 431 is rotatably arranged in drill bit shell 401 and drill bit 431 can be along the Two vertical hole 401-4 are slided up and down, and drill bit 431, which is rotated and slided with drill bit shell 401 by sliding sleeve or bearing 433, to be joined It connects.The axis of drill bit 431 and the axis of drill bit shell 401 are vertically arranged.
The drive bevel gear 304 in cross bar portion 300 and 412 engagement rotation of driven wheel of differential in duplicate gear, pass through first Roller gear 413 and the intermediate gear of empty set 422 are transmitted to the second roller gear 432, push the rotation cutting of drill bit 431.
As shown in fig. 6, drill bit shell 401 includes two shell pairings of symmetrical configuration, two shells are respectively left shell 402-1 and right shell body 402 are simultaneously bolted to connection.It is arranged in the periphery of drill bit 431 on drill bit shell 401 and holds bits mouth 405。
As shown in Figures 4 and 5, the manual components of hand feeding mechanism include push rod 309, and push rod 309 is slidably arranged in hollow In the sliding slot 301-1 of 301 outer surface of cross bar setting and 309 one end of push rod, which stretches out hollow cross bar 301 and stretches into the driving of bit head 400, holds Row component actuation, sliding slot 301-1 are arranged along 301 length direction of hollow cross bar.Where flange 303 on hollow cross bar 301 Plane 313 is arranged in indent on the outer surface at end, and plane 313 and the slot bottom of sliding slot 301-1 are coplanar;The right end of push rod 309 is exposed to In plane 313, pushed convenient for push plate 308.In 313 position of plane across gate control stick 306 on hollow cross bar 301, Two installation ends of gate control stick 306 are rotatably arranged on by the first axis pin 307 on hollow cross bar 301, are manipulated in gate Empty set the push plate 308 for pushing push rod 309 to be moved along sliding slot 301-1 on bar 306;It turns left and pushes control stick 306, push plate 308 promotion push rods 309 move to left, otherwise push rod 309 moves to right.
As shown in Fig. 6,7 and 8, the execution unit of hand feeding mechanism includes resetting snap-gauge 451 and pressing plate 442, reset of card Plate 451 is including horizontal snap-gauge 451-1 and the column 451-2 in the one end horizontal snap-gauge 451-1, horizontal snap-gauge are arranged downwards Plug is arranged in the other end of 451-1, and plug is inserted into the annular groove 431-1 of 431 upper end of drill bit setting, and column 451-2, which is inserted into, to be bored In the second vertical blind hole 401-5 in head shell 401 and the bottom hole of the end of column 451-2 and the second vertical blind hole 401-5 it Between there are spacing;The sheathed spring 452 on column 451-2,452 one end of spring resist the bottom hole of the second vertical blind hole 401-5, bullet 452 other end of spring resists horizontal snap-gauge 451-1;Pressing plate 442 is located on 401 outer surface of drill bit shell close to the groove of left end setting In 401-6, groove 401-6 is connected to reset snap-gauge 451,431 top of drill bit, 421 top of jackshaft;Pressing plate 442 includes three Linkage point, be respectively pressed in the first linkage point 442-1 at the top of drill bit 431, be supported on 421 top of jackshaft and by second Axis pin 441 be rotatably arranged on the second linkage point 442-2 on drill bit shell 401 and with 309 end thereof contacts of push rod and in push rod Third linkage point 442-3 under 309 effects for pushing drill bit 431 to feed;It stretches into bit head 400 and drives execution unit action Part push rod 309 is arranged in the push-rod hole 401-7 in drill bit shell 401, and push-rod hole 401-7 is along 401 length side of drill bit shell It is connected to setting and with groove 401-6;Upper cover 403 is set at the notch of groove 401-6.
As shown in fig. 6, push rod 309 moves to left, pressing plate 442 is pushed to rotate counterclockwise, pressing plate 442 push drill bit 431 downwards into It gives.
When control stick 306 is turned right, resetting spring 452 pushes drill bit 431 to move up reset, pressing plate 442 by resetting snap-gauge 451 It rotates clockwise, push rod 309 moves to right reset.
The lower left of bit head 400 reserves appearance bits mouth 405 in the case where structure allows, and iron filings discharge is convenient when drilling, It is processed convenient for the drilling in hole.
This cylinder body class inner walls of deep holes radial bore device structure is simple, and each gear structure in bit head 400 is very simple It is single, it is installed without intussusception so that the diameter in bit head and cross bar portion can be made smaller, convenient for radial to small and deep inner wall The processing of blind hole.
Be not specifically noted in all the utility model specifications be the prior art or can by existing technology It realizes, it should be appreciated that for those of ordinary skills, it can be modified or changed according to the above description, and All these modifications and variations should all belong to the protection domain of the appended claims for the utility model.

Claims (6)

1. a kind of cylinder body class inner walls of deep holes radial bore equipment, it is characterised in that:Including driving motor (100), pedestal (200), Cross bar portion (300), bit head (400) and the hand feeding mechanism for pushing drill bit to feed, driving motor (100) are arranged in base The motor shaft of the side of seat (200), driving motor (100) connects cross bar portion (300) one end, cross bar portion by shaft coupling (101) (300) setting is in the other side of pedestal (200), the other end connection bit head (400) of cross bar portion (300);
Hand feeding mechanism includes the manual components positioned at cross bar portion (300) and the execution unit positioned at bit head (400);
Cross bar portion (300) includes the hollow cross bar (301) that one end carries flange (303), and flange (303) connects pedestal (200), Setting transmission shaft (302), the both ends of transmission shaft (302) are rotatably supported on hollow cross bar (301) in hollow cross bar (301), The right end of transmission shaft (302) connects shaft coupling (101) by key (305), and drive bevel gear is arranged in the left end of transmission shaft (302) (304);
Bit head (400) includes drill bit shell (401), and the right end of drill bit shell (401) connects the another of hollow cross bar (301) End;The right end indent of drill bit shell (401) is provided with the trepanning (401-1) for accommodating drive bevel gear (304), in drill bit It is provided in shell (401) and the driven wheel of differential (412) of drive bevel gear (304) external toothing, driven wheel of differential (412) empty set In fixing axle (411), in the first vertical blind hole (401-2) that fixing axle (411) interference is arranged in drill bit shell (401), The axis of fixing axle (411) and the axis of drill bit shell (401) are vertically arranged;In fixing axle (411) empty set, the first cylinder is set Gear (413), the first roller gear (413) are integrated composition duplicate gear with driven wheel of differential (412);In drill bit shell (401) intermediate gear (422) with the first roller gear (413) external toothing is provided in, intermediate gear (422) empty set is in centre On axis (421), in the first vertical hole (401-3) that jackshaft (421) interference is arranged in drill bit shell (401), jackshaft (421) axis and the axis of drill bit shell (401) are vertically arranged;It is provided in the drill bit shell (401) and intermediate gear (422) the second roller gear (432) of external toothing, the second roller gear (432) are connected firmly in the top of drill bit (431), drill bit (431) in the second vertical hole (401-4) being rotatably arranged in drill bit shell (401) and drill bit (431) can be vertical along second (401-4) is slided up and down in hole, and the axis of the axis and drill bit shell (401) of drill bit (431) is vertically arranged;
The manual components of hand feeding mechanism include push rod (309), and push rod (309) is slidably arranged in hollow cross bar (301) appearance In the sliding slot (301-1) of face setting and push rod (309) one end stretches out hollow cross bar (301) and stretches into bit head (400) driving execution Component actuation, sliding slot (301-1) are arranged along hollow cross bar (301) length direction;Close to flange on hollow cross bar (301) (303) indent setting plane (313) on the outer surface at end where, plane (313) and the slot bottom of sliding slot (301-1) are coplanar;It is hollow In plane (313) position across gate control stick (306), two installations of gate control stick (306) on cross bar (301) End is rotatably arranged on by the first axis pin (307) on hollow cross bar (301), and empty set, which, on gate control stick (306) is used for The push plate (308) for pushing push rod (309) to be moved along sliding slot (301-1);
The execution unit of hand feeding mechanism includes resetting snap-gauge (451) and pressing plate (442), and it includes level to reset snap-gauge (451) Snap-gauge (451-1) and the column (451-2) in the one end horizontal snap-gauge (451-1) is set downwards, horizontal snap-gauge (451-1) Plug is arranged in the other end, and plug is inserted into the annular groove (431-1) of drill bit (431) upper end setting, and column (451-2) is inserted into drill bit In the second vertical blind hole (401-5) in shell (401) and the end of column (451-2) and the second vertical blind hole (401-5) There are spacing between bottom hole;The sheathed spring (452) on column (451-2), spring (452) one end resist the second vertical blind hole The bottom hole of (401-5), spring (452) other end resist horizontal snap-gauge (451-1);Pressing plate (442) is located at drill bit shell (401) outside On surface in the groove (401-6) of left end setting, groove (401-6) with reset snap-gauge (451), at the top of drill bit (431), in Connection at the top of countershaft (421);Pressing plate (442) includes three linkage points, the first linkage point being respectively pressed at the top of drill bit (431) (442-1), be supported at the top of jackshaft (421) and be rotatably arranged on drill bit shell (401) by the second axis pin (441) Second linkage point (442-2) and with push rod (309) end thereof contacts and push rod (309) effect under for pushing drill bit (431) The third linkage point (442-3) of feeding;Part push rod (309) setting for stretching into bit head (400) driving execution unit action exists In push-rod hole (401-7) in drill bit shell (401), push-rod hole (401-7) be arranged along drill bit shell (401) length direction and with Groove (401-6) is connected to;Upper cover (403) is set at the notch of groove (401-6).
2. using cylinder body class inner walls of deep holes radial bore equipment described in claim 1, which is characterized in that in hollow cross bar (301) the axially position ring (310) tilted for anti-throw-out lever (309) is arranged on, axially position ring (310) passes through at least three Screw is uniformly arranged to be arranged on hollow cross bar (301).
3. using cylinder body class inner walls of deep holes radial bore equipment described in claim 1, which is characterized in that in flange (303) Installation end face evagination is provided with a circle locating ring (303-1).
4. using cylinder body class inner walls of deep holes radial bore equipment described in claim 1, which is characterized in that in hollow cross bar (301) interconnecting piece (301-2) of one circle engaging drill bit shell (401) right end of other end end outer surface indent setting, connection Portion (301-2) is inserted into drill bit shell (401) right end and is connected firmly by bolt.
5. using cylinder body class inner walls of deep holes radial bore equipment described in claim 1, which is characterized in that drill bit shell (401) Two shell pairings including symmetrical configuration, two shells are respectively left shell (402-1) and right shell body (402) and pass through bolt It is fixedly connected.
6. using cylinder body class inner walls of deep holes radial bore equipment described in claim 1, which is characterized in that drill bit shell (401) On drill bit (431) periphery setting hold bits mouth (405).
CN201820155965.1U 2018-01-30 2018-01-30 Radial drilling equipment for inner wall of deep hole of cylinder body Withdrawn - After Issue CN208034216U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820155965.1U CN208034216U (en) 2018-01-30 2018-01-30 Radial drilling equipment for inner wall of deep hole of cylinder body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820155965.1U CN208034216U (en) 2018-01-30 2018-01-30 Radial drilling equipment for inner wall of deep hole of cylinder body

Publications (1)

Publication Number Publication Date
CN208034216U true CN208034216U (en) 2018-11-02

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Application Number Title Priority Date Filing Date
CN201820155965.1U Withdrawn - After Issue CN208034216U (en) 2018-01-30 2018-01-30 Radial drilling equipment for inner wall of deep hole of cylinder body

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108098425A (en) * 2018-01-30 2018-06-01 南京信息职业技术学院 Radial drilling equipment for inner wall of deep hole of cylinder body
CN113510258A (en) * 2021-08-12 2021-10-19 天津华建天恒传动有限责任公司 Continuous positioning drilling method for inner wall radial hole

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108098425A (en) * 2018-01-30 2018-06-01 南京信息职业技术学院 Radial drilling equipment for inner wall of deep hole of cylinder body
CN108098425B (en) * 2018-01-30 2024-05-03 南京信息职业技术学院 Radial drilling equipment for inner wall of cylinder body type deep hole
CN113510258A (en) * 2021-08-12 2021-10-19 天津华建天恒传动有限责任公司 Continuous positioning drilling method for inner wall radial hole
CN113510258B (en) * 2021-08-12 2022-03-15 天津华建天恒传动有限责任公司 Continuous positioning drilling method for inner wall radial hole

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