CN202804231U - Drilling machine - Google Patents
Drilling machine Download PDFInfo
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- CN202804231U CN202804231U CN 201220250309 CN201220250309U CN202804231U CN 202804231 U CN202804231 U CN 202804231U CN 201220250309 CN201220250309 CN 201220250309 CN 201220250309 U CN201220250309 U CN 201220250309U CN 202804231 U CN202804231 U CN 202804231U
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- slide carriage
- drilling machine
- drill bit
- car body
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- 238000005553 drilling Methods 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 3
- 230000005693 optoelectronics Effects 0.000 description 10
- 238000010276 construction Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 241000195622 Astasia Species 0.000 description 1
- 206010010947 Coordination abnormal Diseases 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a drilling machine, comprising a vehicle body, at least one motion device, a driving device and a drill bit box, wherein the motion device is rotatably assembled on the vehicle body; the driving device is used for driving the motion device; the drill bit box is mounted on the motion device; the motion device comprises a horizontal sliding platform and a vertical sliding platform; the horizontal sliding platform comprises a sliding seat and a first sliding plate which can slide relatively; the vertical sliding platform comprises an upright post and a second sliding plate which can slide relatively; the upright post of the vertical sliding platform is fixedly arranged on the first sliding plate of the horizontal sliding platform; the drill bit box is fixedly arranged on the second sliding plate of the vertical sliding platform; the driving device is connected with the first sliding plate of the horizontal sliding platform and the second sliding plate of the vertical sliding platform respectively and is used for driving the first sliding plate of the horizontal sliding platform to move in the horizontal direction and driving the second sliding plate of the vertical sliding platform to move in the vertical direction; and the drill bit box comprises a drill bit driving motor and more than one drill bits. The drilling machine provided by the utility model realizes automatic control of the drilling process and improves the production efficiency.
Description
Technical field
The utility model relates to a kind of manufacturing technology of railway freight-car, relates in particular to a kind of drilling machine.
Background technology
In the manufacture process of railway freight-car, every chassis needs to be drilled with a plurality of rivet holes on the railway carriage or compartment, normally used fortune coal open-top car compartment for example, between the lateral column and underframe of car body wherein, all adopt rivet to be connected between corner post and the underframe, the rivet hole quantity that every chassis need to be drilled with reaches about 100, and its drilling hole amount is larger.
In the present manufacturing process, mainly be first respectively boring on bottom side rail, lateral column and the corner post of underframe, the positional precision of control hole during boring, control underframe and side wall degree of disturbing coupling, when assembling, car body carries out the hole, school, and hole milling and riveted joint, in above-mentioned boring, hole, school and hole milling process, need manually line, artificial centering, location.
Can find out that from prior art present manufacturing process adopts first respectively to each parts boring, and then assembling, and adopt that artificial mode is rule, centering, location etc., have the low defective of production efficiency.
The utility model content
The utility model provides a kind of drilling machine, is used for improving the drilling efficiency of drilling machine.
The utility model provides a kind of drilling machine, comprises car body, is transferred at least one telecontrol equipment on the described car body, is used for driving the drive unit of described telecontrol equipment, and is installed in the drill bit case on the described telecontrol equipment.
Described telecontrol equipment comprises horizontal sliding table and vertical slipway, but described horizontal sliding table comprises slide and first slide carriage of relative sliding, described vertical slipway comprise can relative sliding column and the second slide carriage, the column of described vertical slipway is fixedly installed on the first slide carriage of described horizontal sliding table, described drill bit case is fixedly installed on the second slide carriage of described vertical slipway, described drive unit respectively with the first slide carriage of described horizontal sliding table be connected the second slide carriage of vertical slipway and be connected, the first slide carriage that is used for driving described horizontal sliding table moves in the horizontal direction, and the second slide carriage that drives described vertical slipway moves at vertical direction.
Described drill bit case includes the drill bit drive motors, and more than one drill bit.
Aforesaid drilling machine, described drive unit comprise that horizontal hydraulic pressure drives oil cylinder and vertical hydraulic drives oil cylinder, and described horizontal hydraulic pressure drives oil cylinder and is fixedly installed on the slide, moves in the horizontal direction for the first slide carriage that drives described horizontal sliding table; Described vertical hydraulic drives oil cylinder and is fixedly installed on the column of described vertical slipway, moves at vertical direction for the second slide carriage that drives described vertical slipway.
Aforesaid drilling machine, described drive unit comprise the first drive motors and the second drive motors, and described the first drive motors is fixedly installed on the slide, move in the horizontal direction for the first slide carriage that drives described horizontal sliding table; Described the second drive motors is fixedly installed on the column of described vertical slipway, moves at vertical direction for the slide plate that drives described vertical slipway.
Aforesaid drilling machine is provided with flow speed control valve on the hydraulic circuit of described vertical hydraulic driving oil cylinder.
Aforesaid drilling machine, described vertical slipway also comprises the first locking cylinder, described the first locking cylinder is arranged on the second slide carriage, is used for described the second slide carriage is locked in an ad-hoc location of described column.
Aforesaid drilling machine, described vertical slipway also comprises counter-balanced carriage and balancing weight, and described counter-balanced carriage is fixedly installed on described column top, and described balancing weight is connected with described the second slide carriage by hinge, and described hinge mount is located on the described counter-balanced carriage.
Aforesaid drilling machine also comprises at least one position sensing equipment.
Aforesaid drilling machine also comprises set of wheels and decelerator, and four wheels of described set of wheels are separately positioned on four angles of described car body, and described decelerator is connected with driving wheel in the set of wheels, is used for driving described driving wheel motion or stops.
Aforesaid drilling machine also comprises the second locking cylinder on four angles that are separately positioned on described car body, and described the second locking cylinder is used for described car body is locked in the car body orbit.
Aforesaid drilling machine is equipped with two telecontrol equipments on the described car body, wherein be installed in a drill bit case on the telecontrol equipment and comprise four drill bits, and the drill bit case that is installed on another telecontrol equipment comprises six drill bits.
The drilling machine that the utility model provides, comprise car body, be installed in the telecontrol equipment on the car body, drive unit and drill bit case, be provided with drill bit in the drill bit case, telecontrol equipment comprises horizontal sliding table and vertical slipway, the drill bit case is fixed on the second slide carriage of vertical slipway, vertical slipway is fixedly installed on the first slide carriage of horizontal sliding table, the vertical slipway that drive unit wherein can drive on the first slide carriage moves in the horizontal direction, the drill bit case that also can drive on the second slide carriage vertically moves, thereby can realize the automatic control of bit location in the boring procedure, enhance productivity.
Below by drawings and Examples, the technical solution of the utility model done describing in further detail.
Description of drawings
Fig. 1 is the horizontal sliding table structural representation of an embodiment of the utility model;
Fig. 2 is the vertical slipway structural representation of an embodiment of the utility model;
Fig. 3 is the drill bit box structure schematic diagram of an embodiment of the utility model;
Fig. 4 is the body construction schematic diagram of an embodiment of the utility model;
Fig. 5 is the drilling machine structural representation of another embodiment of the present utility model.
The specific embodiment
The utility model an embodiment provide a kind of drilling machine, comprises car body, is transferred at least one telecontrol equipment on the above-mentioned car body, is used for driving the drive unit of above-mentioned telecontrol equipment, and is installed in the drill bit case on the above-mentioned telecontrol equipment.
Above-mentioned telecontrol equipment comprises horizontal sliding table and vertical slipway, Fig. 1 is the horizontal sliding table structural representation of an embodiment of the utility model, as shown in Figure 1, but horizontal sliding table comprises slide 11 and first slide carriage 12 of relative sliding, it is spacing that the Front-end Design of slide 11 is that bossing is used for, and the first slide carriage 12 can carry out at slide 11 relative sliding of horizontal direction; Fig. 2 is the vertical slipway structural representation of an embodiment of the utility model, as shown in Figure 2, vertical slipway comprise can relative sliding column 21 and the second slide carriage 22, the second slide carriage 22 can carry out at column 21 relative sliding of vertical direction, please refer to Fig. 1 and Fig. 2, the column 21 of vertical slipway is fixedly installed on the first slide carriage 12 of above-mentioned horizontal sliding table, and the first slide carriage 12 drives above-mentioned vertical slipway carries out horizontal direction jointly at slide 11 relative sliding.The drill bit case is fixedly installed on the second slide carriage 22 of above-mentioned vertical slipway; Drive unit respectively with the first slide carriage 11 of above-mentioned horizontal sliding table be connected the second slide carriage 22 of vertical slipway and be connected, the first slide carriage 11 that is used for driving above-mentioned horizontal sliding table moves in the horizontal direction, and the second slide carriage 22 that drives above-mentioned vertical slipway moves at vertical direction.
Fig. 3 is the drill bit box structure schematic diagram of an embodiment of the utility model, please refer to Fig. 2 and Fig. 3, above-mentioned drill bit case includes drill bit drive motors 31, and more than one drill bit 32, because size positions is limit, the drive motors of above-mentioned drill bit case is bumped in vertical slipway the second slide carriage 22, and this figure only is schematic diagram, and the utility model does not limit the drill bit number of above-mentioned drill bit case.
In summary it can be seen, the drilling machine that the utility model provides, comprise car body, be installed in the telecontrol equipment on the car body, drive unit and drill bit case, be provided with drill bit in the drill bit case, telecontrol equipment comprises horizontal sliding table and vertical slipway, the drill bit case is fixed on the second slide carriage 22 of vertical slipway, vertical slipway is fixedly installed on the first slide carriage 12 of horizontal sliding table, the vertical slipway that drive unit wherein can drive on the first slide carriage 12 moves in the horizontal direction, the drill bit case that also can drive on the second slide carriage vertically moves, thereby can realize the automatic control of bit location in the boring procedure, enhance productivity.
In the present embodiment, the drive unit of drilling machine can comprise various ways, fluid pressure drive device is a kind of form wherein, it comprises that horizontal hydraulic pressure drives oil cylinder and vertical hydraulic drives oil cylinder, above-mentioned horizontal hydraulic pressure drives oil cylinder and is fixedly installed on the slide, moves in the horizontal direction for the first slide carriage that drives above-mentioned horizontal sliding table; Above-mentioned vertical hydraulic drives oil cylinder and is fixedly installed on the column of above-mentioned vertical slipway, moves at vertical direction for the slide plate that drives above-mentioned vertical slipway.
In the present embodiment, the drive unit of drilling machine can comprise various ways, and motor driver is its another kind of form, and it comprises the first drive motors and the second drive motors, above-mentioned the first drive motors is fixedly installed on the slide, and the first slide carriage that is used for the driving horizontal sliding table moves in the horizontal direction; Above-mentioned the second drive motors is fixedly installed on the column of vertical slipway, move at vertical direction for the slide plate that drives above-mentioned vertical slipway, adopt motor driver, so that drilling machine seems more compact attractive in appearance, structure is advantages of simple more, and fault rate also decreases.
In the present embodiment, when the drive unit of drilling machine is fluid pressure drive device, be provided with flow speed control valve on the hydraulic circuit of the vertical hydraulic of fluid pressure drive device driving oil cylinder, be used for control oil cylinder speed, and then regulate the sliding speed of the second slide carriage on column.
In the present embodiment, please refer to Fig. 2, the vertical slipway of drilling machine also comprises the first locking cylinder 23, above-mentioned the first locking cylinder 23 is arranged on the second slide carriage 22, be used for above-mentioned the second slide carriage 22 is locked in an ad-hoc location of the column 21 of vertical slipway, above-mentioned ad-hoc location is for being locked in the arbitrary position on the vertical slipway according to need of work the second slide carriage.
In the present embodiment, the vertical slipway of drilling machine also comprises counter-balanced carriage and balancing weight, above-mentioned counter-balanced carriage is fixedly installed on the column top of vertical slipway, above-mentioned balancing weight is connected with the second slide carriage of vertical slipway by hinge, above-mentioned hinge mount is located on the above-mentioned counter-balanced carriage, the similar weight of the weight of balancing weight and drill bit case is used for eliminating the impact of drill bit case weight, so that vertical slipway slides at horizontal sliding table more reposefully.
In the present embodiment, also comprise at least one position sensing equipment on the drilling machine, be used for surveying and want bore position and the current residing relative position of drill bit, and then realize the accurate location to bore position.
In the present embodiment, drilling machine also comprises set of wheels and decelerator, and Fig. 4 is the body construction schematic diagram of an embodiment of the utility model, as shown in Figure 4, four wheels 41 of above-mentioned set of wheels are separately positioned on four angles of car body, and set of wheels is fixed on the car body by four prescription type seat spherical bearings.Above-mentioned decelerator is connected with driving wheel in the set of wheels, is used for driving above-mentioned driving wheel motion or stops.
In the present embodiment, as shown in Figure 4, drilling machine also comprises the second locking cylinder 42 on four angles that are separately positioned on car body, wherein three places are not shown, above-mentioned the second locking cylinder is used for car body is locked in the car body orbit, avoid the drill bit case in the course of the work, cause the bore position skew because car body slides at orbit, and operating personnel's astasia and injured.
Fig. 5 is the drilling machine structural representation of another embodiment of the present utility model.Drilling machine in the present embodiment is mainly used in the drilling processing of railway open wagon side pillar, corner post rivet hole, after the car body assembling is finished, once finishes the processing of each parts rivet connecting hole on lateral column, corner post, the underframe.As shown in Figure 5, the body construction of present embodiment drilling machine is welded by channel-section steel, and set of wheels is fixed on the car body by four prescription type seat spherical bearings, and wheel diameter is 220mm, drives the adhesion wheel group by axle dress decelerator and cycloid planetary speed reducer, and the car body traveling speed is controlled.Are furnished with two cover telecontrol equipments on the car body, telecontrol equipment 1 and telecontrol equipment 2, telecontrol equipment 1 is 1000mm with the distance of telecontrol equipment 2, be the operator position, the drill bit case that is installed on the telecontrol equipment 1 has four drill bits, and the drill bit case that is installed on the telecontrol equipment 2 has six drill bits, the drive motors power 4KW of drill bit case, be furnished with standard form, drilling rod and drill bushing, make things convenient for adjusting and the replacing of drill bit in the use procedure and improve drilling quality.Arranged outside at telecontrol equipment 1 has electric control cabinet 3, the electric wire of electrical control cabinet 3 has certain surplus capacity, electrical control cabinet can be moved among a small circle, be convenient to the service work of drilling machine drive part, in the arranged outside of telecontrol equipment 2 Hydraulic Station 4 arranged, be used for accessory drive, adopt fluid pressure drive device in the present embodiment, also be provided with portable control panel 5 on the car body, control panel 5 is fixed on the column, and the operator can regulate its position according to the actual needs.The car body track is fixed on the base steel construction by the pressing plate that is welded on the rail bed steel construction, and this steel construction is broken concrete be fixed on accurate location as requested when civil engineering after.Comprise top car reservoir floor installation plate on the rail bed steel construction, the reservoir diameter is expected to be 200mm, car body axle dress reducer input shaft is hollow shaft, can fill rotary encoder, detect the position of dolly direction of advance, the iron filings collection bucket is arranged on the side of car body, is used for being collected in the iron filings that boring procedure produces, other structures are identical with the structure of the utility model embodiment one, do not repeat them here.
In the present embodiment, the electrical system of electrical control cabinet 3 has adopted the control of Omron PLC to frequency converter and magnetic valve, drill bit case and car body motor are respectively by transducer drive, can carry out according to requirements of one's work the adjusting of speed and rotating speed, realize located lateral and the longitudinal register of boring, and can carry out the drilling speed adjustment according to different materials, and strong adaptability, the scope of application is wide.Each locking cylinder has optoelectronic switch, detects its duty and carries out interlocked control by pc.
In the present embodiment, Hydraulic Station 4 is the variable vane pump of power of motor 2.2kw, and operating pressure 5mpa drives vertical slipway and vertical hydraulic and drives cylinder action and finish that the F.F. worker advances and the adjustment of drill bit case position.When the vertical slipway F.F., to be differential duty finish the fast moving of vertical slipway with less output flow to hydraulic system, and when the vertical slipway worker advanced, the electromagnetic switch valve events was adjusted the work speed that the electric speed regulation valve can be regulated vertical slipway.Drive both translational speed of capable of regulating the second slide carriage of opening amount of regulating flow speed control valve in the oil cylinder loop at vertical hydraulic.In car body and the first locking cylinder loop, be provided with pressure-reducing valve and detected pressures table, the operating pressure that is used for regulating each locking cylinder.
In the present embodiment, course of action and the control program of drilling machine are as follows, at first go out the distance that drilling machine moves in X-direction according to the position calculation between telecontrol equipment 1 and the telecontrol equipment 2, the car body F.F., stop behind certain position, the position sensing equipment of telecontrol equipment 1 is an optoelectronic switch herein, detect the position of open-top car compartment end points, then car body moves along X-direction by predefined data, and the lateral attitude in corner post hole, location is because of the two ends of four-head headstock bore position in the open-top car compartment, height direction change in location is very little, can adjust optoelectronic switch one conducting, the second locking cylinder grip track on the car body, the first locking cylinder on the telecontrol equipment 1 makes the second slide carriage clamp vertical slipway, vertical slipway is in the Y direction F.F., and the worker advances, and drill bit starts, get into a rear vertical type slide unit rewind down, drill bit stops, and the first locking cylinder unclamps, and the second slide carriage descends, the second locking cylinder unclamps, and car body moves along X-direction.The position sensing equipment of telecontrol equipment 2 is a displacement transducer and an optoelectronic switch herein, displacement transducer is surveyed the distance between open-top car car side board and the drill bit, guiding and proofread and correct vertical slipway in position that Y direction moves, thereby guarantee the distance between optoelectronic switch and the open-top car lateral column, the impact of avoiding open-top car compartment foozle to cause, because the different meeting of the distance between optoelectronic switch and the lateral column causes not conducting of optoelectronic switch or ON time different, cause deviations.Optoelectronic switch one conducting, namely navigate to lateral column, car body just moves along X-direction along predefined displacement, such as mobile lateral column width half, the located lateral in lateral column hole is finished, the second locking cylinder grip track, the second slide carriage on the telecontrol equipment 2 rises, also have a position sensing equipment on the second slide carriage, be an optoelectronic switch herein, optoelectronic switch one conducting, finish the vertical location in lateral column hole, the first locking cylinder on the telecontrol equipment 2 makes the second slide carriage clamp vertical slipway, and vertical slipway is in the Y direction F.F., and the worker advances, drill bit starts, get into a rear vertical type slide unit rewind down, drill bit stops, and the first locking cylinder unclamps, the second slide carriage descends, the second locking cylinder unclamps, and car body moves along X-direction, and car body is fast-forward to next lateral column position and repeats said process.
In summary it can be seen, in the lateral column in train open-top car compartment, corner post boring procedure, realized automatic process control system, improved production efficiency, and, owing to be the disposable processing of finishing lateral column, corner post and each parts rivet connecting hole after the assembling of open-top car compartment is finished, avoided being out of shape after welding because of gondola car chassis bottom side rail degree of disturbing, lateral column spacing etc., cause the problem of riveted holes decentraction, and saved human resources, reduced manufacturing cost.
It should be noted that at last: above each embodiment is not intended to limit only in order to the technical solution of the utility model to be described; Although with reference to aforementioned each embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a drilling machine is characterized in that, comprises car body, is transferred at least one telecontrol equipment on the described car body, is used for driving the drive unit of described telecontrol equipment, and is installed in the drill bit case on the described telecontrol equipment;
Described telecontrol equipment comprises horizontal sliding table and vertical slipway, but described horizontal sliding table comprises slide and first slide carriage of relative sliding, described vertical slipway comprise can relative sliding column and the second slide carriage, the column of described vertical slipway is fixedly installed on the first slide carriage of described horizontal sliding table, described drill bit case is fixedly installed on the second slide carriage of described vertical slipway, described drive unit respectively with the first slide carriage of described horizontal sliding table be connected the second slide carriage of vertical slipway and be connected, the first slide carriage that is used for driving described horizontal sliding table moves in the horizontal direction, and the second slide carriage that drives described vertical slipway moves at vertical direction;
Described drill bit case includes the drill bit drive motors, and more than one drill bit.
2. drilling machine according to claim 1, it is characterized in that, described drive unit comprises that horizontal hydraulic pressure drives oil cylinder and vertical hydraulic drives oil cylinder, and described horizontal hydraulic pressure drives oil cylinder and is fixedly installed on the slide, moves in the horizontal direction for the first slide carriage that drives described horizontal sliding table; Described vertical hydraulic drives oil cylinder and is fixedly installed on the column of described vertical slipway, moves at vertical direction for the second slide carriage that drives described vertical slipway.
3. drilling machine according to claim 1 is characterized in that, described drive unit comprises the first drive motors and the second drive motors, and described the first drive motors is fixedly installed on the slide, moves in the horizontal direction for the first slide carriage that drives described horizontal sliding table; Described the second drive motors is fixedly installed on the column of described vertical slipway, moves at vertical direction for the slide plate that drives described vertical slipway.
4. drilling machine according to claim 2 is characterized in that, is provided with flow speed control valve on the hydraulic circuit of described vertical hydraulic driving oil cylinder.
5. drilling machine according to claim 2 is characterized in that, described vertical slipway also comprises the first locking cylinder, and described the first locking cylinder is arranged on the second slide carriage, is used for described the second slide carriage is locked in an ad-hoc location of described column.
6. arbitrary described drilling machine according to claim 1-5, it is characterized in that described vertical slipway also comprises counter-balanced carriage and balancing weight, described counter-balanced carriage is fixedly installed on described column top, described balancing weight is connected with described the second slide carriage by hinge, and described hinge mount is located on the described counter-balanced carriage.
7. drilling machine according to claim 6 is characterized in that, also comprises at least one position sensing equipment.
8. drilling machine according to claim 6, it is characterized in that, also comprise set of wheels and decelerator, four wheels of described set of wheels are separately positioned on four angles of described car body, described decelerator is connected with driving wheel in the set of wheels, is used for driving described driving wheel motion or stops.
9. drilling machine according to claim 8 is characterized in that, also comprises the second locking cylinder on four angles that are separately positioned on described car body, and described the second locking cylinder is used for described car body is locked in the car body orbit.
10. drilling machine according to claim 6 is characterized in that, is equipped with two telecontrol equipments on the described car body, wherein is installed in a drill bit case on the telecontrol equipment and comprises four drill bits, and the drill bit case that is installed on another telecontrol equipment comprises six drill bits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220250309 CN202804231U (en) | 2012-05-30 | 2012-05-30 | Drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220250309 CN202804231U (en) | 2012-05-30 | 2012-05-30 | Drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202804231U true CN202804231U (en) | 2013-03-20 |
Family
ID=47863175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220250309 Expired - Fee Related CN202804231U (en) | 2012-05-30 | 2012-05-30 | Drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202804231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058512A (en) * | 2015-05-20 | 2015-11-18 | 何有港 | Drilling machine for long board materials |
| CN105290449A (en) * | 2015-11-13 | 2016-02-03 | 无锡职业技术学院 | High-safety drilling device |
-
2012
- 2012-05-30 CN CN 201220250309 patent/CN202804231U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058512A (en) * | 2015-05-20 | 2015-11-18 | 何有港 | Drilling machine for long board materials |
| CN105058512B (en) * | 2015-05-20 | 2017-11-17 | 何有港 | A kind of long plate drilling machine |
| CN105290449A (en) * | 2015-11-13 | 2016-02-03 | 无锡职业技术学院 | High-safety drilling device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20150530 |
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| EXPY | Termination of patent right or utility model |