CN106001692A - Hand drill capable of precisely braking - Google Patents
Hand drill capable of precisely braking Download PDFInfo
- Publication number
- CN106001692A CN106001692A CN201610549483.XA CN201610549483A CN106001692A CN 106001692 A CN106001692 A CN 106001692A CN 201610549483 A CN201610549483 A CN 201610549483A CN 106001692 A CN106001692 A CN 106001692A
- Authority
- CN
- China
- Prior art keywords
- brake
- hand drill
- braking
- drill bit
- control unit
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/20—Adjusting or stopping working-spindles in a predetermined position
Abstract
The invention discloses a hand drill capable of precisely braking. The hand drill capable of precisely braking comprises a hand drill body and a drill bit arranged at the front end of the hand drill body, and further comprises a brake module; the brake module includes at least one first brake assembly; the first brake assembly includes a brake block movably mounted on the outer side of the drill bit in the axial direction of the drill bit; the brake module further includes a second brake assembly for limiting movement of the brake block, a brake signal acquiring module for acquiring brake signals and a control unit; the brake signal acquiring module is communicated and connected with the control unit; and the second brake assembly is communicated and connected with the control unit. When the drill bit drills through, signals detected by a brake signal sensor are lower than a preset value, the brake signal sensor sends the signals to the control unit, the control unit controls electrification of an electromagnet and absorption of a brake cavity, the first brake assembly and the second brake assembly stop mutual movement, and the drill bit stops further drilling forwards, so that the timely precise brake effect is achieved.
Description
Technical field
The present invention relates to machine drilling field, be specifically related to a kind of hand drill that can accurately brake.
Background technology
At present, the electric drill on market generally can not carry out the setting of hole depth, and completely with feel during boring, this product quality allowing for processing is uneven, and machining accuracy can not get ensureing.
The Chinese patent of Application No. 201420227679.3 discloses a kind of electric drill for accurately punching, aim to provide one and can accurately set hole depth, precision is high, the electric drill that adaptability is good, its drip irrigation device is to arrange brake type sleeve pipe on electric drill top, and sleeve pipe is connected with each other by screw thread, and the flight pitch of every layer is different, being carved with scale on inner layer sleeve with middle casing, outer layer sleeve end arranges toe-in impact head.Clash into boring body surface by sleeve pipe during braking and realize braking, and be easily damaged body surface, and be difficult to control to electric drill and realize braking effect drilling object moment.
The Chinese patent of Application No. 200420045633.6 discloses a kind of Intelligent electric drill for medical use, by electric drill, speed detector, micro-computer controlling apparatus, on-off circuit are constituted, speed detector is arranged in electric drill rotating shaft, the electrical signal of speed detector is connected with the electric signal input end of micro-computer controlling apparatus, the electrical signal of micro-computer controlling apparatus is connected with the electric signal input end of on-off circuit, and the hand switch of electric drill is connected with the electric signal input end of micro-computer controlling apparatus.Its drip irrigation device is to be automatically stopped to bore dynamic advantage after drill bit drills bone.Drag reduction when drilling and speed raises suddenly, Negotiation speed detection judge to drill and stop close power supply.Part bone has bigger cavity, the bone hole of drill bit process, its hole wall is constantly ground, drill bit velocity of rotation is interfered little, when drill bit creeps into cavity, the speed of drill bit can be significantly improved, Negotiation speed detection judges to drill, and the situation of erroneous judgement easily occurs, brings extreme influence to operation.
Summary of the invention
In view of this, the open one of the present invention can accurately brake drilling equipment, and solving existing hand drill does not has brake measure, it is difficult to the problem of the keyhole degree of depth in time.
The purpose of the present invention is achieved through the following technical solutions: one can accurately brake drilling equipment, including hand drill body, the drill bit that is arranged on hand drill body front end, also includes brake module；Described brake module includes that at least one first brake assemblies, described first brake assemblies include axially being movably mounted at the brake block outside drill bit along drill bit；Also include for limiting the second brake assemblies, the braking signal collection module gathering brake signal and the control unit that brake block moves；Braking signal collection module communicates to connect with control unit；Second brake assemblies communicates to connect with control unit.
Operation principle of the present invention is as follows:
First brake assemblies along with drill bit advance, hand drill moves, when the second brake assemblies limit the first brake assemblies move time, the first brake assemblies moves on limit drill bit, thus plays the effect of braking, the keyhole degree of depth.Hand drill arranges signal acquisition module and control unit, the outfan of signal acquisition module connects the input of control unit, the outfan of control unit connects the input of the second brake assemblies, when position, hole drill need stop time, signal acquisition module collects signal and signal conveys to control unit, and control unit controls the second brake assemblies work, thus the second control assembly limits the first control assembly and moves, play precisely, braking effect timely, be accurately controlled drilling depth.
Further, described first brake assemblies also includes the slide rail being arranged on hand drill outer body, and the quantity of slide rail is corresponding with the quantity of brake block；Described brake block is slidably mounted in described slide rail.
Each group of the first brake assemblies, to there being corresponding slide rail, makes the smooth movement of brake block by slide rail, may also set up many groups the first brake assemblies as required, and the power making the first brake assemblies be subject to when drill bit creeps into is more uniformly distributed, stable, reduces the impact of vibration.
Further, be slidably mounted in described hand drill this is the most internal for described brake block.
According to using needs, brake block also can be slidably mounted on hand drill, and this is internal, during boring, brake block constantly puts in toward hand drill body interior, the contact area of required contact when reducing the boring of described hand drill, be suitable for is wider, and the counteracting force that the power that is subject to of the first brake assemblies is when creeping into closer to drill bit, braking effect is more preferably.
Further, described brake block is the block that ferromagnetic material is made；Described second brake assemblies includes the electromagnetic generator being arranged on other, the fixing hand drill body of brake block.
When starting electromagnetic generator, electromagnetic generator can adsorb the brake block that ferromagnetic material is made immediately, owing to electromagnetic generator is fixed on hand drill body, does not produces relative motion with hand drill body, thus after absorption and the movement of limit brake block, play the effect of instant braking.And electromagnetic generator absorption brake block, to be braked by the frictional force of brake block, the vibration of generation is little, boring is not caused other influences during braking.
Further, described electromagnetic generator includes electric magnet and the power supply powered for electric magnet；Described power supply communicates to connect with control unit；Electric magnet contacts with brake block.
Power supply electrically connects with electric magnet, and the input of power supply connects the outfan of control unit simultaneously, but after signal is conveyed to power supply by control unit, power initiation work of electromagnet, make electric magnet quick adsorption brake block, brake in time.
Further, described brake block includes that first axially in parallel with drill bit brakes district, the second braking district crossed out by the first braking side, district, and the second braking district is arranged in slide rail；Being provided with brake chamber in described first braking district, the side of brake chamber is provided with strip through-hole；Described electromagnetic generator also includes connecting electric magnet and the linking arm of hand drill body, and linking arm is stretched in described brake chamber by described strip through-hole；Described electric magnet by linking arm stretch into brake chamber be partially slidably be arranged in brake chamber.
Second braking district moves in slide rail along with drill bit creeps into, and the first braking district, as playing the region of braking action with the second brake assemblies, is set to axially in parallel with drill bit, can be done directly on the counteracting force that drill bit is subject to during braking.Electric magnet stretches in brake chamber by linking arm part, during boring, electric magnet axially moves in parallel along drill bit, and linking arm one end is moved in strip through-hole simultaneously, and during braking, electric magnet plays braking effect by the wall of absorption brake chamber, by the first braking district internal detent, also make braking the most steady.
Further, described linking arm end connects support bar, and described support bar is arranged in an axially parallel mode along drill bit and is placed in brake chamber, and described electric magnet is fixed on support bar.
Fix electric magnet by the support bar being arranged in an axially parallel mode with drill bit, prevent electric magnet from brake chamber playing meaningless interference, the most steady when making brake block move, and also when braking, the support bar power to being subject to can play guide effect.
Further, described second braking district be in slide rail foremost time, the front end of brake block flushes with the front end of drill bit；The stroke of described slide rail is less than or equal to the stroke of brake chamber.
When the stroke of slide rail is more than the stroke of brake chamber, before not arriving braking point, brake chamber will play braking action, cause drill bit cannot continue to creep into, affect drilling effect.Described second braking district be in slide rail foremost time, the front end of brake block flushes with the front end of drill bit, and boring ensure that brake block moves with drill bit simultaneously in the plane, and is reset into standard after stopping using, and facilitates look at drill bit the need of replacing or adjustment.
Further, it is provided with back-moving spring bottom described electric magnet and between brake chamber.
Arrange after back-moving spring can make electric magnet power-off and preferably reset, prevent from being repeatedly used for a long the situation causing electric magnet to misplace.
Further, described braking signal collection module is brake signal sensor, and described brake signal sensor is at least one in optical pickocff, pressure transducer, temperature sensor.
The beneficial effects of the present invention is:
The present invention is when drill bit drills, the signal that brake signal sensor detects is less than predetermined value, signal is conveyed to control unit by brake signal sensor, control unit controls electric magnet and is energized and adsorbs brake chamber, first brake assemblies and the second brake assemblies stop mutually motion, drill bit stops holing further along, thus reached in time, braking effect accurately.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the partial enlarged drawing of the embodiment of the present invention 1.
Fig. 3 is the structural representation of the embodiment of the present invention 2.
Fig. 4 is the partial enlarged drawing of the embodiment of the present invention 2.
Fig. 5 is the structural representation of the embodiment of the present invention 3.
Fig. 6 is the use state diagram of the present invention.
Detailed description of the invention
The present invention is described in further detail below in conjunction with accompanying drawing and embodiment for the ease of it will be appreciated by those skilled in the art that:
Embodiment 1
The present embodiment provides a kind of hand drill that can accurately brake, as Figure 1-Figure 2, the drill bit 11 that including hand drill body 1, is arranged on hand drill body 1 front end and for clamping the drill jig 15 of drill bit 11, also include brake module；Described brake module includes that the first brake assemblies 3, described first brake assemblies 3 include axially movably being arranged on the brake block outside drill bit 11 along drill bit 11；Also include for limiting the second brake assemblies 4, the braking signal collection module 16 gathering brake signal and the control unit (not showing in figure) that brake block moves；Braking signal collection module 16 outfan communication connection control unit input；Second brake assemblies 4 input communication connection control unit outfan.
Described first brake assemblies 3 also includes the slide rail 14 being arranged on outside hand drill body 1, and described brake block is provided with a guide wheel 321, and guide wheel 321 is slidably arranged in slide rail 14.
Described brake block is the block that ferromagnetic material is made；Described second brake assemblies 4 includes the electromagnetic generator being arranged on other, the fixing hand drill body 1 of brake block.
Described electromagnetic generator includes electric magnet 51 and the power supply (not showing in figure) for electric magnet 51 power supply；Described power input communication connection control unit outfan；Electric magnet 51 contacts with brake block.Start button 12 and SR 13 it is additionally provided with on described hand drill body 1, described start button 12 controls the break-make of drill bit 11 operating circuit, described SR 13 is used for controlling electric magnet 51 power-off, described SR 13 outfan communication connection control unit input.
Described brake block includes that first axially in parallel with drill bit 11 brakes district 31, the second braking district 32 crossed out by the first braking side, district 31, and the second braking district 32 is arranged in slide rail 14；Being provided with brake chamber 312 in described first braking district 31, the side of brake chamber 312 is provided with strip through-hole 311；Described electromagnetic generator also includes connecting electric magnet 51 and the linking arm 42 of hand drill body 1, and linking arm 42 is stretched in described brake chamber 312 by described strip through-hole 311；Described electric magnet 51 by linking arm 42 stretch into brake chamber 312 be partially slidably be arranged in brake chamber 312.
Described linking arm 42 end connects has support bar 41, described support bar 41 to be arranged in an axially parallel mode along drill bit and be placed in brake chamber 312, and described electric magnet 51 is fixed on support bar 41.
It is provided with back-moving spring 52 bottom described electric magnet 51 and between brake chamber 312.
Described braking signal collection module 16 is brake signal sensor, and described brake signal sensor is pressure transducer.Described pressure transducer can be selected for any prior art and realizes.
Embodiment 2
The present embodiment provides a kind of hand drill that can accurately brake, as Figure 3-Figure 4, the drill bit 11 that including hand drill body 1, is arranged on hand drill body 1 front end and for clamping the drill jig 15 of drill bit 11, also include brake module；Described brake module includes that the first brake assemblies 3, described first brake assemblies 3 include axially movably being arranged on the brake block outside drill bit 11 along drill bit 11；Also include for limiting the second brake assemblies 4, the braking signal collection module 16 gathering brake signal and the control unit (not showing in figure) that brake block moves；Braking signal collection module 16 outfan communication connection control unit input；Second brake assemblies 4 input communication connection control unit outfan.
Described first brake assemblies 3 also includes the slide rail 14 being arranged on outside hand drill body 1, and described brake block is provided with a guide wheel 321, and guide wheel 321 is slidably arranged in slide rail 14.
Described brake block is the block that ferromagnetic material is made；Described second brake assemblies 4 includes the electromagnetic generator being arranged on other, the fixing hand drill body 1 of brake block.
Described electromagnetic generator includes electric magnet 51 and the power supply (not showing in figure) for electric magnet 51 power supply；Described power input communication connection control unit outfan；Electric magnet 51 contacts with brake block.Start button 12 and SR 13 it is additionally provided with on described hand drill body 1, described start button 12 controls the break-make of drill bit 11 operating circuit, described SR 13 is used for controlling electric magnet 51 power-off, described SR 13 outfan communication connection control unit input.
Described brake block includes the first braking district 31 axially in parallel with drill bit 11, and the first braking district 31 is arranged in slide rail 14；Being provided with brake chamber 312 in described first braking district 31, the side of brake chamber 312 is provided with strip through-hole 311；Described electromagnetic generator also includes connecting electric magnet 51 and the linking arm 42 of hand drill body 1, and linking arm 42 is stretched in described brake chamber 312 by described strip through-hole 311；Described electric magnet 51 by linking arm 42 stretch into brake chamber 312 be partially slidably be arranged in brake chamber 312.
Described linking arm 42 end connects has support bar 41, described support bar 41 to be arranged in an axially parallel mode along drill bit and be placed in brake chamber 312, and described electric magnet 51 is fixed on support bar 41.
Back-moving spring (not showing in figure) it is provided with bottom described electric magnet 51 and between brake chamber 312.
Described braking signal collection module 16 is brake signal sensor, and described brake signal sensor is pressure transducer.Described pressure transducer can be selected for any prior art and realizes.
Embodiment 3
The present embodiment provides a kind of hand drill that can accurately brake, as shown in Fig. 2, Fig. 5, and the drill bit 11 that including hand drill body 1, is arranged on hand drill body 1 front end and for clamping the drill jig 15 of drill bit 11, also include brake module；Described brake module includes that the first brake assemblies 3, described first brake assemblies 3 include pair of opposing and be axially movably arranged on the brake block outside drill bit 11 along drill bit 11；Also include for limiting the second brake assemblies 4, the braking signal collection module 16 gathering brake signal and the control unit (not showing in figure) that brake block moves；Braking signal collection module 16 outfan communication connection control unit input；Second brake assemblies 4 input communication connection control unit outfan.
Described first brake assemblies 3 also includes the slide rail 14 being arranged on outside hand drill body 1, and the quantity of slide rail 14 is corresponding with the quantity of brake block；Described brake block is provided with a guide wheel 321, and guide wheel 321 is slidably arranged in slide rail 14.
Described brake block is the block that ferromagnetic material is made；Described second brake assemblies 4 includes the electromagnetic generator being arranged on other, the fixing hand drill body 1 of brake block.
Described electromagnetic generator includes electric magnet 51 and the power supply (not showing in figure) for electric magnet 51 power supply；Described power input communication connection control unit outfan；Electric magnet 51 contacts with brake block.Start button 12 and SR 13 it is additionally provided with on described hand drill body 1, described start button 12 controls the break-make of drill bit 11 operating circuit, described SR 13 is used for controlling electric magnet 51 power-off, described SR 13 outfan communication connection control unit input.
Described brake block includes that first axially in parallel with drill bit 11 brakes district 31, the second braking district 32 crossed out by the first braking side, district 31, and the second braking district 32 is arranged in slide rail 14；Being provided with brake chamber 312 in described first braking district 31, the side of brake chamber 312 is provided with strip through-hole 311；Described electromagnetic generator also includes connecting electric magnet 51 and the linking arm 42 of hand drill body 1, and linking arm 42 is stretched in described brake chamber 312 by described strip through-hole 311；Described electric magnet 51 by linking arm 42 stretch into brake chamber 312 be partially slidably be arranged in brake chamber 312.
Described linking arm 42 end connects has support bar 41, described support bar 41 to be arranged in an axially parallel mode along drill bit and be placed in brake chamber 312, and described electric magnet 51 is fixed on support bar 41.
It is provided with back-moving spring 52 bottom described electric magnet 51 and between brake chamber 312.
Described braking signal collection module 16 is brake signal sensor, and described brake signal sensor is pressure transducer.Described pressure transducer can be selected for any prior art and realizes.
Embodiment 4
The present embodiment is as embodiment 1, the further improvement of embodiment 3, it is provided that a kind of hand drill that can accurately brake, as shown in Figure 6, except for the difference that, described second braking district 32 be in slide rail 14 foremost time, the front end of brake block flushes with the front end of drill bit 11；The stroke of described slide rail 14 is less than or equal to the stroke of brake chamber 312.
Embodiment 5
The present embodiment is as embodiment 1 or embodiment 2 or embodiment 3 or the further improvement of embodiment 4, a kind of hand drill that can accurately brake is provided, except for the difference that, described braking signal collection module 16 is brake signal sensor, and described brake signal sensor is optical pickocff.Described optical pickocff can be selected for any prior art and realizes.
Embodiment 6
The present embodiment is as embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4 or the further improvement of embodiment 5, a kind of hand drill that can accurately brake is provided, except for the difference that, described braking signal collection module 16 is brake signal sensor, and described brake signal sensor is temperature sensor.Described temperature sensor can be selected for any prior art and realizes.
Being more than the wherein specific implementation of the present invention, it describes more concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these obvious alternative forms belong to protection scope of the present invention.
Claims (10)
1. the hand drill can accurately braked, including hand drill body, the drill bit that is arranged on hand drill body front end, it is characterised in that: also include brake module；Described brake module includes that at least one first brake assemblies, described first brake assemblies include axially being movably mounted at the brake block outside drill bit along drill bit；Also include for limiting the second brake assemblies, the braking signal collection module gathering brake signal and the control unit that brake block moves；Braking signal collection module communicates to connect with control unit；Second brake assemblies communicates to connect with control unit.
A kind of hand drill that can accurately brake the most according to claim 1, it is characterised in that: described first brake assemblies also includes the slide rail being arranged on hand drill outer body, and the quantity of slide rail is corresponding with the quantity of brake block；Described brake block is slidably mounted in described slide rail.
A kind of hand drill that can accurately brake the most according to claim 1, it is characterised in that: described brake block is slidably mounted in described hand drill, and this is internal.
4. according to a kind of hand drill that can accurately brake described in any one of claim 1-2, it is characterised in that: described brake block is the block that ferromagnetic material is made；Described second brake assemblies includes the electromagnetic generator being arranged on other, the fixing hand drill body of brake block.
A kind of hand drill that can accurately brake the most according to claim 4, it is characterised in that: described electromagnetic generator includes electric magnet and the power supply powered for electric magnet；Described power supply communicates to connect with control unit；Electric magnet contacts with brake block.
A kind of hand drill that can accurately brake the most according to claim 5, it is characterised in that: described brake block includes that first axially in parallel with drill bit brakes district, the second braking district crossed out by the first braking side, district, and the second braking district is arranged in slide rail；Being provided with brake chamber in described first braking district, the side of brake chamber is provided with strip through-hole；Described electromagnetic generator also includes connecting electric magnet and the linking arm of hand drill body, and linking arm is stretched in described brake chamber by described strip through-hole；Described electric magnet by linking arm stretch into brake chamber be partially slidably be arranged in brake chamber.
The hand drill that can accurately brake the most according to claim 6, it is characterised in that: described linking arm end connects support bar, and described support bar is arranged in an axially parallel mode along drill bit and is placed in brake chamber, and described electric magnet is fixed on support bar.
A kind of hand drill that can accurately brake the most according to claim 6, it is characterised in that: described second braking district be in slide rail foremost time, the front end of brake block flushes with the front end of drill bit；The stroke of described slide rail is less than or equal to the stroke of brake chamber.
A kind of hand drill that can accurately brake the most according to claim 7, it is characterised in that: it is provided with back-moving spring bottom described electric magnet and between brake chamber.
10. according to a kind of hand drill that can accurately brake described in claim 1-3 or any one of 5-8, it is characterized in that: described braking signal collection module is brake signal sensor, described brake signal sensor is at least one in optical pickocff, pressure transducer, temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610549483.XA CN106001692A (en) | 2016-07-13 | 2016-07-13 | Hand drill capable of precisely braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610549483.XA CN106001692A (en) | 2016-07-13 | 2016-07-13 | Hand drill capable of precisely braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106001692A true CN106001692A (en) | 2016-10-12 |
Family
ID=57117663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610549483.XA Pending CN106001692A (en) | 2016-07-13 | 2016-07-13 | Hand drill capable of precisely braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106001692A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113951087A (en) * | 2021-12-10 | 2022-01-21 | 郑州航空工业管理学院 | Desert tree planting robot and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3816016A (en) * | 1972-11-09 | 1974-06-11 | Avey Machine Tool Co | Power drilling machine with resistance triggered retraction |
| EP0261386B1 (en) * | 1986-09-24 | 1992-01-29 | Robert Bosch Gmbh | Depth stop |
| CN1328893A (en) * | 2000-06-14 | 2002-01-02 | 希尔蒂股份公司 | Depth limiter for hand-held drilling machine |
| CN1911574A (en) * | 2005-08-11 | 2007-02-14 | 希尔蒂股份公司 | Machine tool comprising depth measurement for tools |
| CN201720474U (en) * | 2010-05-12 | 2011-01-26 | 湖北东泰铝轮毂有限公司 | Limiting vertical drilling machine |
| CN205888156U (en) * | 2016-07-13 | 2017-01-18 | 广东工业大学 | Hand drill that can accurately brake |
-
2016
- 2016-07-13 CN CN201610549483.XA patent/CN106001692A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3816016A (en) * | 1972-11-09 | 1974-06-11 | Avey Machine Tool Co | Power drilling machine with resistance triggered retraction |
| EP0261386B1 (en) * | 1986-09-24 | 1992-01-29 | Robert Bosch Gmbh | Depth stop |
| CN1328893A (en) * | 2000-06-14 | 2002-01-02 | 希尔蒂股份公司 | Depth limiter for hand-held drilling machine |
| CN1911574A (en) * | 2005-08-11 | 2007-02-14 | 希尔蒂股份公司 | Machine tool comprising depth measurement for tools |
| CN201720474U (en) * | 2010-05-12 | 2011-01-26 | 湖北东泰铝轮毂有限公司 | Limiting vertical drilling machine |
| CN205888156U (en) * | 2016-07-13 | 2017-01-18 | 广东工业大学 | Hand drill that can accurately brake |
Non-Patent Citations (1)
| Title |
|---|
| 赵艳玲等: "《电工电子技术》", 31 August 2015, 西南交通大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113951087A (en) * | 2021-12-10 | 2022-01-21 | 郑州航空工业管理学院 | Desert tree planting robot and control method thereof |
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Application publication date: 20161012 |