CN104044102A - Handheld internal combustion bolt spanner - Google Patents
Handheld internal combustion bolt spanner Download PDFInfo
- Publication number
- CN104044102A CN104044102A CN201410268573.2A CN201410268573A CN104044102A CN 104044102 A CN104044102 A CN 104044102A CN 201410268573 A CN201410268573 A CN 201410268573A CN 104044102 A CN104044102 A CN 104044102A
- Authority
- CN
- China
- Prior art keywords
- shaft
- internal combustion
- shift fork
- transmission
- gearbox
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 22
- 239000002360 explosive Substances 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 51
- 238000003756 stirring Methods 0.000 claims description 13
- 210000004907 gland Anatomy 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 10
- 241001669679 Eleotris Species 0.000 description 9
- 230000001360 synchronised effect Effects 0.000 description 2
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangement Of Transmissions (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a handheld internal combustion bolt spanner, which comprises an explosive motor, a support box body, a reversing gearbox and a mounting shell, wherein a clutch is arranged in the support box body, the explosive motor is connected with an input shaft of the reversing gearbox through the clutch, a stressing shaft sleeve, a drive outer sleeve and a shifting fork shaft are arranged in the mounting shell, the upper end of the stressing shaft sleeve is connected with an output shaft of the reversing gearbox, a drive inner sleeve and a positioning drive shaft are arranged in the drive outer sleeve, the upper part of the positioning drive shaft is inserted into the stressing shaft sleeve and is sleeved with a pressure spring, a drive pin is arranged on the drive inner sleeve, the stressing shaft sleeve is provided with a strip-shaped hole at the position corresponding to the drive pin, the lower end of the positioning drive shaft is fixedly connected with the shifting fork shaft, and the lower end of the shifting fork shaft is connected with a hexagonal connector. The handheld internal combustion bolt spanner has the beneficial effects that the structure is compact, the use is convenient, the self weight of the whole machine is light, a single person can operate handheld internal combustion bolt spanner, and the use is safe and reliable; the handheld internal combustion bolt spanner can conveniently goes on and off a road, a line does not need to be blocked for operation, and the spanner is particularly applicable to track bed regional road maintenance at places where large and medium-sized road maintaining machines cannot operate such as a turnout, a tunnel and a bridge culvert.
Description
Technical field
The invention belongs to a kind of specific purpose tool, particularly a kind of internal combustion bolt spanner of hand-held design that is applicable to railway worker's use.
Background technology
Internal combustion bolt wrench is the specific purpose tool that is applicable to railway track operational maintenance and maintenance, the operation that loosens, tighten for railway sleeper bolt and nut, with impulsive torque, tightening or unscrew M22, M24 nut, in operation set, is the desirable specific purpose tool that degree of tightness sleeper nut replaces heavy physical labor.
The disclosed a kind of gas engine rail bolt mechanical wrench of utility model patent that conventional internal combustion bolt wrench is CN201140331 as publication number at present, this impact wrench comprises frame, actuating unit, walking mechanism, transmission shifting mechanism, wrench mechanism, torque adjustment mechanism, its transmission shifting mechanism rear portion is connected with two wrench mechanisms, splined shaft lower end at wrench mechanism is connected with wrench socket, the upper end of wrench mechanism is connected with torque adjustment mechanism, transmission shifting mechanism drives two wrench socket rotating Vortexes simultaneously, changement turns clockwise two wrench sockets simultaneously or inhour is rotated or do not turn, upper hinge at down-pressed pole has action bars, between the bottom of down-pressed pole and wrench socket, be provided with shift fork, action bars makes on shift fork and wrench socket or lower motion by down-pressed pole.This internal combustion bolt wrench complex structure, integral body, from great, is not easy to upper track operation, and upper and lower road one man operation's difficulty is large, and operating efficiency is low.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of compact conformation, easy to use, and single can operation, can improve the internal combustion bolt spanner of hand-held design of operating efficiency.
For addressing the above problem, the present invention adopts following technical scheme:
A kind of internal combustion bolt spanner of hand-held design, comprise explosive motor, the supporting box connecting successively, commutation gearbox and holder housing, in described supporting box, be provided with clutch, described explosive motor is located on supporting box and output shaft is connected with clutch input, clutch output is connected by driven wheel auxiliary driving with the power shaft of commutation gearbox, in holder housing, be provided with successively afterburning axle sleeve, transmission overcoat and declutch shift shaft, described forcing shaft set upper side is connected with the output axle key of commutation gearbox, insert in transmission overcoat afterburning axle sleeve lower end, in transmission overcoat, be fixed with and be enclosed within the transmission inner sleeve that forcing shaft puts, in transmission overcoat center, be provided with locating transmission axle, locating transmission axle top is inserted in afterburning axle sleeve and is arranged with compression spring, in transmission, put and be provided with the trundle that runs through afterburning axle sleeve and locating transmission axle, the corresponding trundle of described afterburning axle sleeve place is provided with bar hole, described locating transmission axle lower end and declutch shift shaft are affixed, described transmission overcoat and declutch shift shaft are mutually close under the effect of compression spring, described declutch shift shaft lower end is passed and is connected with six square joints by holder housing.
Preferably, on supporting box, be fixed with bale handle, the Throttle Opening Control switch of explosive motor is installed in bale handle upper end, in bale handle both sides, be connected with handrail, so that use.
Preferably, described clutch is centrifugal clutch.
Preferably, described commutation gearbox comprises gearbox body, power shaft, output shaft and reversing shaft are installed in gearbox body, on power shaft, be provided with forward gear and reverse gear, on output shaft, be provided with duplicate gear in axial sliding, on reversing shaft, be provided with commutation idle wheel, on gearbox body, be provided with for stirring the shift fork changement of duplicate gear.
Preferably, described shift fork changement comprises the shift fork rotating disk inserting in gearbox body, on gearbox body surface, be fixed with the shift fork gland being enclosed within on shift fork rotating disk, described shift fork rotating disk is passed by shift fork gland, in shift fork rotating disk outer end, be fixed with handwheel, in shift fork rotating disk the inner, be provided with the pin of stirring of arranged off-centre, stir in the annular groove at pin front end insertion duplicate gear middle part.
Preferably, in shift fork gland the inner, be provided with a locating hole and in hole, be provided with retainer spring and positioning ball, on shift fork rotating disk, corresponding positioning ball place is along the circumferential direction provided with three dimples, accurately to locate forward, reversion and the neutral position of this commutation gearbox.
Preferably; between commutation gearbox and holder housing, be provided with ring flange; in ring flange both sides, be respectively equipped with for the bearing block of commutation output shaft of gear-box and afterburning axle sleeve is installed; described commutation output shaft of gear-box bottom is arranged in ring flange by a spacer and bearing; between spacer and ring flange, be also provided with sealing ring, with the sealing effectiveness of the gearbox of guaranteeing to commutate.
Preferably, in holder housing, lower end is installed with shift fork axle sleeve, and described declutch shift shaft is passed by declutch shift shaft cover, is provided with the sealing ring being enclosed within on declutch shift shaft in holder housing lower port.
The invention has the beneficial effects as follows: compact conformation, easy to use, complete machine, from heavy and light, has Portable power-driven, the features such as efficient quick, single can operation, safe and reliable; Upper and lower road is convenient, can block circuit homework, is specially adapted to the regional road maintenance operation of railway roadbed that the big-and-middle-sized road maintainance machineries such as track switch, tunnel, bridges and culverts can not operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the commutate structural representation of gearbox of the present invention.
Fig. 4 is the structural representation of shift fork rotating disk of the present invention.
In figure: bale handle 1, explosive motor 2, handrail 3, supporting box 4, clutch 5, commutation gearbox 6, duplicate gear 7, output shaft 8, ring flange 9, sealing ring 10, holder housing 11, afterburning axle sleeve 12, transmission overcoat 13, declutch shift shaft 14, locating transmission axle 15, shift fork axle sleeve 16, six square joints 17, straight pin 18, sealing ring 19, compression spring 20, transmission inner sleeve 21, trundle 22, bar hole 23, spacer 24, commutation idle wheel 25, gearbox body 26, reverse gear 27, power shaft 28, forward gear 29, driving gear wheel set 30, Throttle Opening Control switch 31, screw 32, shift fork gland 33, handwheel 34, shift fork rotating disk 35, retainer spring 36, positioning ball 37, stir pin 38, reversing shaft 39, dimple 40.
The specific embodiment
As shown in Figure 1, this internal combustion bolt spanner of hand-held design comprises a small-sized internal combustion engine 2, this explosive motor 2 is arranged on a supporting box 4, in described supporting box 4, by bearing, clutch 5 is installed, described explosive motor 2 output shafts are connected with clutch 5 inputs, as preferably, described clutch 5 is centrifugal clutch.Below supporting box 4, be sealedly connected with successively commutation gearbox 6 and holder housing 11.
As shown in figures 1 and 3, described commutation gearbox 6 comprises a gearbox body 26, in gearbox body 26, by bearing, rotatable power shaft 28 and output shaft 8 are installed and are fixed with a reversing shaft 39, on power shaft 28, be provided with the forward gear 29 and the reverse gear 27 that are connected as a single entity with axle, on output shaft 8, by spline, duplicate gear 7 is in axial sliding installed, on reversing shaft 39, is set with the commutation idle wheel 25 with described reverse gear 27 engagements.Described power shaft 28 upper ends pass and are inserted in supporting box 4 by gearbox body 26, and described clutch 5 outputs and described power shaft 28 upper ends are in transmission connection by driving gear wheel set 30.
On gearbox body 26, be provided with for stirring the shift fork changement of duplicate gear 7.Described shift fork changement comprises the shift fork rotating disk 35 inserting in gearbox body 26, on gearbox body 26 surfaces, be bolted the shift fork gland 33 being enclosed within on shift fork rotating disk 35, described shift fork rotating disk 35 outer ends are passed by shift fork gland 33, in shift fork rotating disk 35 outer ends, be fixed with handwheel 34, what in shift fork rotating disk 35 the inners, be fixed with arranged off-centre stirs pin 38, stirs pin 38 front ends and inserts in the annular groove at duplicate gear 7 middle parts.In shift fork gland 33 the inners, be provided with a locating hole and in hole, be provided with retainer spring 36 and positioning ball 37, on shift fork rotating disk 35, corresponding positioning ball 37 places are along the circumferential direction provided with three dimples 40, accurately to locate forward, reversion and the neutral position of this commutation gearbox 6.
When stirring duplicate gear 7 in forward gear by shift fork changement, the gear wheel engagement of described forward gear 29 and duplicate gear 7, power shaft 28 directly by transmission of power to output shaft 8; When shift fork changement is stirred duplicate gear 7 in reversion during gear, the pinion of described duplicate gear 7 and 25 engagements of commutation idle wheel, power shaft 28 by commutation idle wheel 25 by transmission of power to output shaft 8, make output shaft 8 turn to change.
As shown in Figure 1; between commutation gearbox 6 and holder housing 11, be provided with ring flange 9; between commutation gearbox 6, ring flange 9 and holder housing 11, be bolted; in ring flange 9 both sides, be respectively equipped with for the bearing block of commutation output shaft of gear-box 8 and afterburning axle sleeve 12 is installed; output shaft 8 bottoms of described commutation gearbox 6 are arranged in ring flange 9 by a spacer 24 and bearing; between spacer 24 and ring flange 9, be also provided with sealing ring 10, with the sealing effectiveness of the gearbox 6 of guaranteeing to commutate.
As depicted in figs. 1 and 2, in holder housing 11, be provided with successively afterburning axle sleeve 12, transmission overcoat 13 and declutch shift shaft 14, described afterburning axle sleeve 12 upper ends are arranged in ring flange 9 by bearing, peg graft mutually by spline in output shaft 8 lower ends and afterburning axle sleeve 12 upper ends of described commutation gearbox 6.Insert in transmission overcoat 13 described afterburning axle sleeve 12 lower ends, in transmission overcoat 13, by screw 32, be fixed with the transmission inner sleeve 21 being enclosed within on afterburning axle sleeve 12, in transmission overcoat 13 centers, be penetrated with locating transmission axle 15, locating transmission axle 15 upper ends are inserted and are leaned in afterburning axle sleeve 12, on locating transmission axle 15 tops, between forcing shaft cover 12 and transmission overcoat 13, be arranged with compression spring 20, in transmission inner sleeve 21, be radially provided with the trundle 22 that runs through afterburning axle sleeve 12 and locating transmission axle 15, on described afterburning axle sleeve 12, corresponding trundle 22 places are provided with bar hole 23, described locating transmission axle 15 lower ends are fixedly connected with by screw thread with declutch shift shaft 14, on locating transmission axle 15, be positioned at declutch shift shaft 14 upper ends and be provided with locking nut, the end face of described transmission overcoat 13 and declutch shift shaft 14 is mutually close to and transmitting torque under the effect of compression spring 20, described declutch shift shaft 14 lower ends pass and are connected with six square joints 17 by holder housing 11.
In the interior lower end of holder housing 11, be installed with shift fork axle sleeve 16, described declutch shift shaft 14 is passed by shift fork axle sleeve 16 endoporus, is provided with the sealing ring 19 being enclosed within on declutch shift shaft 14 in holder housing 11 lower port.Described declutch shift shaft 14 lower ends are tetragonal body or hexahedron and coordinate grafting with cubic hole or the hexagonal hole on six square joint 17 tops, at the splicing position of declutch shift shaft 14 and six square joints 17, are also provided with straight pin 18.The hexagonal hole of the bottom of six square joints 17 for matching with sleeper bolt.
On supporting box 4, be fixed with bale handle 1, the Throttle Opening Control switch 31 of explosive motor 2 is installed in bale handle 1 upper end, in bale handle 1 both sides, be connected with handrail 3, so that use.
During use, a portable bale handle 1, another holds handrail 3, mention this spanner and six square joint 17 bottoms are enclosed within on the sleeper nut that will screw, start explosive motor 2 and hold Throttle Opening Control switch 31, when explosive motor 2 output shafts reach certain rotating speed, centrifugal clutch 5 work, power is passed to the power shaft 28 of commutation gearbox 6 by driving gear wheel set 30, described power shaft 28 by intermeshing forward gear 29 and duplicate gear 7 by transmission of power to output shaft 8, output shaft 8 drives afterburning axle sleeve 12 rotations by spline, afterburning axle sleeve 12 drives locating transmission axle 15 and 13 rotations of transmission overcoat by trundle 22, thereby drive six square joint 17 synchronous rotaries of declutch shift shaft 14 and lower end thereof, realize screwing of sleeper nut.
When sleeper nut is about to screw, by bale handle 1, appropriately press down this spanner, while pressing down, trundle 22 is rotating bar hole 23 upward slidings of while along afterburning axle sleeve 12, compression spring 20 is compressed, on transmission overcoat 13, declutch shift shaft 14 and six square joints 17 are synchronous, move, then regain downforce, compression spring 20 is upspring rapidly, promote transmission overcoat 13, declutch shift shaft 14 and six square joints 17 at rotation while Rapid reset, realize and impacting, thereby by sleeper nut quick locking.
When needs unclamp sleeper bolt, rotate shift fork rotating disk 35, by stirring pin 38, stir duplicate gear 7, make the pinion and 25 engagements of commutation idle wheel of duplicate gear 7, power shaft 28 by commutation idle wheel 25 by transmission of power to output shaft 8, make output shaft 8 turn to change, thereby drive declutch shift shaft 14 and six square joint 17 reversions, sleeper bolt is unclamped.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in description and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend of describing.
Claims (8)
1. an internal combustion bolt spanner of hand-held design, comprise explosive motor, the supporting box connecting successively, commutation gearbox and holder housing, it is characterized in that: in described supporting box, be provided with clutch, described explosive motor is located on supporting box and output shaft is connected with clutch input, clutch output is connected by driven wheel auxiliary driving with the power shaft of commutation gearbox, in holder housing, be provided with successively afterburning axle sleeve, transmission overcoat and declutch shift shaft, described forcing shaft set upper side is connected with the output axle key of commutation gearbox, insert in transmission overcoat afterburning axle sleeve lower end, in transmission overcoat, be fixed with and be enclosed within the transmission inner sleeve that forcing shaft puts, in transmission overcoat center, be provided with locating transmission axle, locating transmission axle top is inserted in afterburning axle sleeve and is arranged with compression spring, in transmission, put and be provided with the trundle that runs through afterburning axle sleeve and locating transmission axle, the corresponding trundle of described afterburning axle sleeve place is provided with bar hole, described locating transmission axle lower end and declutch shift shaft are affixed, described transmission overcoat and declutch shift shaft are mutually close under the effect of compression spring, described declutch shift shaft lower end is passed and is connected with six square joints by holder housing.
2. internal combustion bolt spanner of hand-held design according to claim 1, is characterized in that: on supporting box, be fixed with bale handle, the Throttle Opening Control switch of explosive motor is installed in bale handle upper end, in bale handle both sides, be connected with handrail.
3. internal combustion bolt spanner of hand-held design according to claim 1, is characterized in that: described clutch is centrifugal clutch.
4. internal combustion bolt spanner of hand-held design according to claim 1, it is characterized in that: described commutation gearbox comprises gearbox body, power shaft, output shaft and reversing shaft are installed in gearbox body, on power shaft, be provided with forward gear and reverse gear, on output shaft, be provided with duplicate gear in axial sliding, on reversing shaft, be provided with commutation idle wheel, on gearbox body, be provided with for stirring the shift fork changement of duplicate gear.
5. internal combustion bolt spanner of hand-held design according to claim 4, it is characterized in that: described shift fork changement comprises the shift fork rotating disk inserting in gearbox body, on gearbox body surface, be fixed with the shift fork gland being enclosed within on shift fork rotating disk, described shift fork rotating disk is passed by shift fork gland, in shift fork rotating disk outer end, be fixed with handwheel, in shift fork rotating disk the inner, be provided with the pin of stirring of arranged off-centre, stir in the annular groove at pin front end insertion duplicate gear middle part.
6. internal combustion bolt spanner of hand-held design according to claim 5, it is characterized in that: in shift fork gland the inner, be provided with a locating hole and in hole, be provided with retainer spring and positioning ball, on shift fork rotating disk, corresponding positioning ball place is along the circumferential direction provided with three dimples, for accurately locating forward, reversion and the neutral position of this commutation gearbox.
7. internal combustion bolt spanner of hand-held design according to claim 1, it is characterized in that: between commutation gearbox and holder housing, be provided with ring flange, in ring flange both sides, be respectively equipped with for the bearing block of commutation output shaft of gear-box and afterburning axle sleeve is installed, described commutation output shaft of gear-box bottom is arranged in ring flange by a spacer and bearing, is also provided with sealing ring between spacer and ring flange.
8. internal combustion bolt spanner of hand-held design according to claim 1, is characterized in that: in holder housing, lower end is installed with shift fork axle sleeve, and described declutch shift shaft is passed by declutch shift shaft cover, is provided with the sealing ring being enclosed within on declutch shift shaft in holder housing lower port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410268573.2A CN104044102B (en) | 2014-06-16 | 2014-06-16 | Internal combustion bolt spanner of hand-held design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410268573.2A CN104044102B (en) | 2014-06-16 | 2014-06-16 | Internal combustion bolt spanner of hand-held design |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104044102A true CN104044102A (en) | 2014-09-17 |
| CN104044102B CN104044102B (en) | 2015-10-28 |
Family
ID=51497751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410268573.2A Expired - Fee Related CN104044102B (en) | 2014-06-16 | 2014-06-16 | Internal combustion bolt spanner of hand-held design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104044102B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907691A (en) * | 2018-09-17 | 2018-11-30 | 常州锐特尔自动化设备有限公司 | A kind of screw thread pair automatic screwing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2301301Y (en) * | 1997-04-23 | 1998-12-23 | 王文会 | Screw setting and loosening machine |
| JP2000198081A (en) * | 1999-01-08 | 2000-07-18 | Vessel Kogyo:Kk | Impact type rotary tool |
| CN2576426Y (en) * | 2002-10-19 | 2003-10-01 | 管继祥 | Screw driver |
| CN2633934Y (en) * | 2003-06-12 | 2004-08-18 | 戴珊珊 | Portable railway bolt operation machine |
| RU2293645C1 (en) * | 2005-09-28 | 2007-02-20 | ООО "Научно-производственное предприятие "Омикрон" | Railroad nut wrench |
| JP2008093799A (en) * | 2006-10-13 | 2008-04-24 | Vessel Industrial Co Ltd | Portable power tool |
| CN201089134Y (en) * | 2007-12-03 | 2008-07-23 | 兰献彬 | Internal combustion impact wrench |
| CN202607558U (en) * | 2012-06-08 | 2012-12-19 | 章加洪 | Power wrench for petrol engine |
-
2014
- 2014-06-16 CN CN201410268573.2A patent/CN104044102B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2301301Y (en) * | 1997-04-23 | 1998-12-23 | 王文会 | Screw setting and loosening machine |
| JP2000198081A (en) * | 1999-01-08 | 2000-07-18 | Vessel Kogyo:Kk | Impact type rotary tool |
| CN2576426Y (en) * | 2002-10-19 | 2003-10-01 | 管继祥 | Screw driver |
| CN2633934Y (en) * | 2003-06-12 | 2004-08-18 | 戴珊珊 | Portable railway bolt operation machine |
| RU2293645C1 (en) * | 2005-09-28 | 2007-02-20 | ООО "Научно-производственное предприятие "Омикрон" | Railroad nut wrench |
| JP2008093799A (en) * | 2006-10-13 | 2008-04-24 | Vessel Industrial Co Ltd | Portable power tool |
| CN201089134Y (en) * | 2007-12-03 | 2008-07-23 | 兰献彬 | Internal combustion impact wrench |
| CN202607558U (en) * | 2012-06-08 | 2012-12-19 | 章加洪 | Power wrench for petrol engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907691A (en) * | 2018-09-17 | 2018-11-30 | 常州锐特尔自动化设备有限公司 | A kind of screw thread pair automatic screwing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104044102B (en) | 2015-10-28 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 536000 Jilin Beihai Road, Taiwan Road, Northeast China Electronics Beihai Industrial Park incubator building, room, 3rd floor, Room 302 Patentee after: Zhang Jingjing Address before: 532201 the Guangxi Zhuang Autonomous Region Chongzuo Jiangzhou Taiping Road, No. 15 Patentee before: Zhang Jingjing |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Xinping Inventor before: Zhang Jingjing |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170615 Address after: Meiling village two 422899 Shaoyang city Hunan County of Shaodong Province Patentee after: SHAODONG YONGFENG HARDWARE TOOLS Co.,Ltd. Address before: 536000 Jilin Beihai Road, Taiwan Road, Northeast China Electronics Beihai Industrial Park incubator building, room, 3rd floor, Room 302 Patentee before: Zhang Jingjing |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 |