CN104493559A - Truck rear axle reducer shell horizontal machining center and using method thereof - Google Patents
Truck rear axle reducer shell horizontal machining center and using method thereof Download PDFInfo
- Publication number
- CN104493559A CN104493559A CN201410787654.3A CN201410787654A CN104493559A CN 104493559 A CN104493559 A CN 104493559A CN 201410787654 A CN201410787654 A CN 201410787654A CN 104493559 A CN104493559 A CN 104493559A
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- plate
- reducer shell
- casing
- boss
- board
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Classifications
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- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides a truck rear axle reducer shell horizontal machining center comprising an operation case. The middle of the operation case is provided with a fixing seat, the fixing seat is provided with a cube-shaped case body composed of an upper plate, a base, a left plate, a right plate and a front plate in a welded manner. The front plate of the case body is provided with a round hole, arc assembling tables are welded to the upper and lower sides of the round hole, the middle of the case body is provided with a press plate, machining holes are formed in the left and right plates of the case body and the press plate in the case body integrally, and a reducer shell is inserted in the round hole of the front plate to press the press plate to the shell; fin plates are located on two sides of the press plate, are pressed to a support plate and are exposed to the machining holes; a boss of the reducer shell is fitted to the assembling tables tightly. The truck rear axle reducer shell horizontal machining center is simple in structure and convenient to use and is particularly used for clamping and fixing the truck rear axle reducer shell, machining and drilling of the machining center are benefited, producing efficiency is improved, and the scrape rate is decreased.
Description
technical field:
The present invention relates to the technical field of auto parts and components processing machinery, particularly a kind of horizontal Machining centers of Truck rear axle reducer shell and using method thereof.
background technology:
The reducer shell of Truck rear axle, as the rear axle reductor housing of steyr series, its structure as shown in Figure 1, is the structural representation of the reducer shell of Truck rear axle.The side of housing is provided with interface 1, and opposite side is provided with two wing plates 3, is provided with axis hole 2 in the middle part of wing plate 3, and wing plate 3 end is also provided with interface, and the middle part of housing is provided with boss 4, and boss is surrounded on the outer wall of housing, housing 4 is provided with some installation openings 5.For the processing of this reducer shell, after shell cast is shaping, need the interface on first milling straight cut and wing plate, then on interface, boss, installation opening is got out, finally need for axis hole car goes out screw socket, (during casting, the position of axis hole is uneven and without screw socket, is only a circular hole close to axis hole size).For the step of processing axis hole, due to the out-of-shape of housing, be difficult to fix, usually use clamping device to insert in the middle of two wing plates, clamp the processing that a wing plate carries out an independent axis hole, then take off housing to clamp another screw again and process, this processing mode, production efficiency is low, and once location is inaccurate, easily cause axis hole deviation, cause housing to become waste product, percent defective is higher.In view of this technical problem, need to occur that a kind of structure is simple, easy to use, special being fixedly clamped for Truck rear axle reducer shell, be beneficial to machining center to brill processing, enhance productivity, the horizontal Machining centers of a kind of Truck rear axle reducer shell of rate of reducing the number of rejects and seconds and using method thereof.
summary of the invention:
The object of the invention is to overcome the shortcoming existed in prior art, there is provided a kind of structure simple, easy to use, special being fixedly clamped for Truck rear axle reducer shell, be beneficial to machining center to brill processing, enhance productivity, the horizontal Machining centers of a kind of Truck rear axle reducer shell of rate of reducing the number of rejects and seconds and using method thereof.
To achieve these goals, the invention provides a kind of horizontal Machining centers of Truck rear axle reducer shell, comprise control box, the middle part of control box is provided with holder, the front of holder is provided with cleaning door, be slidably connected between cleaning door and control box, the two ends of holder are provided with unit head, unit head is equipped with drill bit, holder is provided with by epipleural, base, left plate, right plate, the casing of the Fang Tizhuan that front side board is welded, wherein, the front side board of casing is provided with circular opening, the both sides up and down of circular opening are welded with the assembly bench of arcuation, the middle part of casing is provided with top pressing board, top pressing board is perpendicular to the epipleural of casing and lower side panel, the left plate of casing, integratedly on top pressing board in right plate and casing be provided with machining hole, fagging is provided with on rear side of casing, fagging is perpendicular to top pressing board, fagging and top pressing board, left plate, be welded and fixed between right plate, reducer shell makes top pressing board withstand on housing along the circular opening insertion of front side board, wing plate is positioned at the both sides of top pressing board and wing plate withstands on fagging, wing plate exposes to machining hole, the boss of reducer shell is adjacent on assembly bench.
Further, the number of fagging is two, and the rear side of casing is hollow out, just fastening by the fagging of two strips, adds man-hour iron filings are thrown to casing rear along the space of two fagging both sides on rear side of the casing of hollow out for drill bit.
The upper left corner in four angles of front side board is fixedly welded with clamp, integratedly on clamp be provided with slot, slot is plugged and connected with limiting plate, the cross section of limiting plate is in ' work ' shape, the cross section of slot is in ' T ' shape, other three angles of front side board are fixed with adjustable column, on adjustable column, axle is connected with fastening pin plate, adjustable column is socketed with spring, one end of spring withstands on front side board, the other end withstands on fastening pin plate, the top of adjustable column has been threaded fastening bolt, the boss of reducer shell is adjacent to after on assembly bench, screw fastening bolt and then make fastening pin plate compress boss.
Assembly bench is fixedly connected with alignment pin, alignment pin plugs together with one of them installation opening of reducer shell convex platform and is connected, limiting plate and slot grafting rear position margining plate are stuck on the boss of reducer shell, two unit heads drive the drill bit out movement on it, process the axis hole of reducer shell through after the machining hole on the left plate of casing, right plate, the iron filings after processing are crossed fagging and are thrown on rear side of casing.
The bottom of base is integrated is provided with multiple slide rail, integratedly on holder be provided with multiple chute, slide rail and chute one_to_one corresponding, be slidably connected between slide rail and chute, slide rail and chute are used for the relative position calibrating machining hole and drill bit when assembling casing for the first time, the two ends of slide rail protrude from base, and the both sides, front and back of base are provided with pressing plate, make bolted between pressing plate and slide rail, holder after regulating the position of casing.
Object to better implement the present invention, invention further provides the using method of the horizontal Machining centers of Truck rear axle reducer shell, wherein, comprises the steps:
The step of calibration when A, first assembling, makes the slide rail on base along the slide of holder, the center of calibration machining hole and drill bit be centrally located at same straight line after, between pressing plate and slide rail, holder, bolted completes fixing of casing;
The step of B, assembling, open cleaning door, the front side board of casing in control box is exposed, the circular opening of the wing plate of reducer shell along front side board is inserted, make top pressing board withstand on reducer shell, wing plate is positioned at the both sides of top pressing board and the end of wing plate withstands on fagging, makes wing plate expose to machining hole, boss is adjacent to assembly bench
The step of C, preliminary latch, first the alignment pin on assembly bench is plugged together with an installation opening interim on reducer shell and be connected, again limiting plate is inserted slot, limiting plate is slided along the top of slot, the below of limiting plate is stuck on boss, alignment pin and limiting plate are that diagonal is arranged, and complete the step of reducer shell preliminary latch at cabinet front plate by alignment pin and limiting plate;
D, fixing step, fastening pin plate is strip board, and it is connected with adjustment axis of a cylinder, and rotational fastener pin plate is pressed on boss, screws fastening bolt with spanner, and fastening pin plate compresses boss downwards, to be locked reducer shell by three fastening pin plates,
The step of E, processing, shuts cleaning door, and two unit heads drive the drill bit out movement on it, and process the axis hole of reducer shell through after the machining hole on the left plate of casing, right plate, the iron filings after processing are crossed fagging and are thrown on rear side of casing.
Further, present invention also offers the using method after the completion of processing of the horizontal Machining centers of Truck rear axle reducer shell, step is as follows
(1), opening cleaning door (now drill bit exits from machining hole, sets back), using spanner to unclamp fastening bolt (without the need to screwing off, only need unclamp), fastening pin plate rises under the force of a spring, outside rotational fastener pin plate, and the boss of fastening pin plate and reducer shell is departed from;
(2), limiting plate is pulled up, lifting device is used to catch on installation opening on reducer shell interface, (above the streamline of control box side, be all equipped with overhead traveling crane and lifting device, because reducer shell is heavier, overhead traveling crane is all adopted to coordinate lifting device to move reducer shell during processing carrying), move reducer shell a little, the reducer shell processing axis hole is deviate from from the circular opening of front side board;
(3), use source of the gas to blow clean unnecessary iron filings around cabinet front plate circular opening, use lifting device to get another unprocessed reducer shell on production line, carry out above-mentioned A, B, C, D, E, step operates.
Outstanding advantages of the present invention is: structure is simple, easy to use, special being fixedly clamped for Truck rear axle reducer shell, be beneficial to machining center to brill processing, enhance productivity, to reduce the number of rejects and seconds rate, be specially: the innovative point of machining center of the present invention is the fixing of accelerator housing, is prior art to brill.The present invention is adjacent to assembly bench by boss, top pressing board withstands housing, wing plate withstands fagging, wing plate exposes to machining hole and fits in casing to make erose reducer shell, alignment pin and limiting plate complete preliminary latch, and three fastening pin plates 3 are fixed, and then use drill bit to the axis hole crept on row processing wing plate, once fix processing two axis holes, accuracy is high.Avoid the problem that traditional operation needs repeatedly to locate calibration, greatly enhance productivity, rate of reducing the number of rejects and seconds.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the reducer shell of Truck rear axle.
Fig. 2 is the structural representation of the main apparent direction of casing of the present invention.
Fig. 3 is the structural representation in the side-looking direction of casing of the present invention.
Fig. 4 is the structural representation overlooking direction of the present invention.
Accompanying drawing identifies:
1, interface 2, axis hole 3, wing plate 4, boss
5, installation opening 6, slot 7, clamp 8, limiting plate
9, assembly bench 10, top pressing board 11, casing 12, fastening pin plate
13, machining hole 14, fastening bolt 15, base 16, alignment pin
17, pressing plate 18, fagging 19, holder 20, slide rail
21, adjustable column 22, control box 23, unit head 24, drill bit
25, chute 26, cleaning door
detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention will be described.As Figure 1-Figure 4, Fig. 1 is the structural representation of the reducer shell of Truck rear axle.Fig. 2 is the structural representation of the main apparent direction of casing of the present invention.Fig. 3 is the structural representation in the side-looking direction of casing of the present invention.Fig. 4 is the structural representation overlooking direction of the present invention.
The horizontal Machining centers of Truck rear axle reducer shell of the present invention, comprise control box 22, what the middle part of control box 22 was fixing is provided with holder 19, the front of holder 19 is provided with cleaning door 26, be slidably connected between cleaning door 26 and control box 22, the two ends of holder 19 are provided with unit head 23, unit head 23 is equipped with drill bit 24, holder 19 is provided with by epipleural, base 15, left plate, right plate, the casing 11 of the Fang Tizhuan that front side board is welded, wherein, the front side board of casing 11 is provided with circular opening, the both sides up and down of circular opening are welded with the assembly bench 9 of arcuation, the middle part of casing 11 is provided with top pressing board 10, top pressing board 10 is perpendicular to the epipleural of casing 11 and lower side panel, the left plate of casing, integratedly on top pressing board 10 in right plate and casing be provided with machining hole 13, fagging 18 is provided with on rear side of casing 11, fagging 18 is perpendicular to top pressing board 10, fagging 18 and top pressing board 10, left plate, be welded and fixed between right plate, reducer shell makes top pressing board 10 withstand on housing along the circular opening insertion of front side board, wing plate 3 is positioned at the both sides of top pressing board 10 and wing plate 10 withstands on fagging 18, wing plate 10 exposes to machining hole 13, the boss 4 of reducer shell is adjacent on assembly bench 9.The number of fagging 18 is two, and the rear side of casing 11 is hollow outs, just fastening by the fagging 18 of two strips, adds man-hour iron filings are thrown to casing 11 rear along the space of two fagging both sides on rear side of the casing 11 of hollow out for drill bit 24.The upper left corner in four angles of front side board is fixedly welded with clamp 7, integratedly on clamp 7 be provided with slot 6, slot 6 is plugged and connected with limiting plate 8, the cross section of limiting plate 8 is in ' work ' shape, (or, the structure of limiting plate be limiting plate postmedian cross section be I-shaped, the front portion of limiting plate is tabular, ) cross section of slot 6 is in ' T ' shape, other three angles of front side board are fixed with adjustable column 21, on adjustable column 21, axle is connected with fastening pin plate 12, adjustable column 21 is socketed with spring, one end of spring withstands on front side board, the other end withstands on fastening pin plate 12, the top of adjustable column 21 has been threaded fastening bolt 14, the boss 4 of reducer shell is adjacent to after on assembly bench 9, screw fastening bolt 14 and then make fastening pin plate 12 compress boss 4.Assembly bench 9 is fixedly connected with alignment pin 16, alignment pin 16 plugs together with one of them installation opening 5 of reducer shell convex platform 4 and is connected, limiting plate 8 and slot 6 grafting rear position margining plate 8 are stuck on the boss 4 of reducer shell, two unit heads 23 drive drill bit 24 out movement on it, process the axis hole 2 of reducer shell through after the machining hole 13 on the left plate of casing 11, right plate, the iron filings after processing are crossed fagging 18 and are thrown on rear side of casing 11.The bottom of base 15 is integrated is provided with multiple slide rail 20, integratedly on holder 19 be provided with multiple chute 25, slide rail 20 and chute 25 one_to_one corresponding, be slidably connected between slide rail 20 and chute 25, slide rail 20 and chute 25 are for calibrating the relative position of machining hole 13 and drill bit 24 when assembling casing 11 for the first time, the two ends of slide rail 20 protrude from base 15, the both sides, front and back of base 15 are provided with pressing plate 17, make bolted between pressing plate 17 and slide rail 20, holder 19 after regulating the position of casing 11.
Object to better implement the present invention, invention further provides the using method of the horizontal Machining centers of Truck rear axle reducer shell, wherein, comprises the steps:
The step of calibration when A, first assembling, makes the slide rail on base along the slide of holder, the center of calibration machining hole and drill bit be centrally located at same straight line after, between pressing plate and slide rail, holder, bolted completes fixing of casing;
The step of B, assembling, open cleaning door, the front side board of casing in control box is exposed, the circular opening of the wing plate of reducer shell along front side board is inserted, make top pressing board withstand on reducer shell, wing plate is positioned at the both sides of top pressing board and the end of wing plate withstands on fagging, makes wing plate expose to machining hole, boss is adjacent to assembly bench
The step of C, preliminary latch, first the alignment pin on assembly bench is plugged together with an installation opening interim on reducer shell and be connected, again limiting plate is inserted slot, limiting plate is slided along the top of slot, the below of limiting plate is stuck on boss, alignment pin and limiting plate are that diagonal is arranged, and complete the step of reducer shell preliminary latch at cabinet front plate by alignment pin and limiting plate;
D, fixing step, fastening pin plate is strip board, and it is connected with adjustment axis of a cylinder, and rotational fastener pin plate is pressed on boss, screws fastening bolt with spanner, and fastening pin plate compresses boss downwards, to be locked reducer shell by three fastening pin plates,
The step of E, processing, shuts cleaning door, and two unit heads drive the drill bit out movement on it, and process the axis hole of reducer shell through after the machining hole on the left plate of casing, right plate, the iron filings after processing are crossed fagging and are thrown on rear side of casing.
Further, present invention also offers the using method after the completion of processing of the horizontal Machining centers of Truck rear axle reducer shell, step is as follows
(1), opening cleaning door (now drill bit exits from machining hole, sets back), using spanner to unclamp fastening bolt (without the need to screwing off, only need unclamp), fastening pin plate rises under the force of a spring, outside rotational fastener pin plate, and the boss of fastening pin plate and reducer shell is departed from;
(2), limiting plate is pulled up, lifting device is used to catch on installation opening on reducer shell interface, (above the streamline of control box side, be all equipped with overhead traveling crane and lifting device, because reducer shell is heavier, overhead traveling crane is all adopted to coordinate lifting device to move reducer shell during processing carrying), move reducer shell a little, the reducer shell processing axis hole is deviate from from the circular opening of front side board;
(3), use source of the gas to blow clean unnecessary iron filings around cabinet front plate circular opening, use lifting device to get another unprocessed reducer shell on production line, carry out above-mentioned A, B, C, D, E, step operates.
Structure of the present invention is simple, easy to use, special being fixedly clamped for Truck rear axle reducer shell, be beneficial to machining center to brill processing, enhance productivity, to reduce the number of rejects and seconds rate, the present invention is adjacent to assembly bench by boss, and top pressing board withstands housing, and wing plate withstands fagging, wing plate exposes to machining hole and fits in casing to make erose reducer shell, alignment pin and limiting plate complete preliminary latch, and three fastening pin plates 3 are fixed, and then use drill bit to the axis hole crept on row processing wing plate, once fix processing two axis holes, accuracy is high.Avoid the problem that traditional operation needs repeatedly to locate calibration, greatly enhance productivity, rate of reducing the number of rejects and seconds.
Claims (5)
1. the horizontal Machining centers of a Truck rear axle reducer shell, comprise control box, the middle part of control box is provided with holder, the front of holder is provided with cleaning door, be slidably connected between cleaning door and control box, the two ends of holder are provided with unit head, unit head is equipped with drill bit, holder is provided with by epipleural, base, left plate, right plate, the casing of the Fang Tizhuan that front side board is welded, it is characterized in that, the front side board of casing is provided with circular opening, the both sides up and down of circular opening are welded with the assembly bench of arcuation, the middle part of casing is provided with top pressing board, top pressing board is perpendicular to the epipleural of casing and lower side panel, the left plate of casing, integratedly on top pressing board in right plate and casing be provided with machining hole, fagging is provided with on rear side of casing, fagging is perpendicular to top pressing board, fagging and top pressing board, left plate, be welded and fixed between right plate, reducer shell makes top pressing board withstand on housing along the circular opening insertion of front side board, wing plate is positioned at the both sides of top pressing board and wing plate withstands on fagging, wing plate exposes to machining hole, the boss of reducer shell is adjacent on assembly bench.
2. the horizontal Machining centers of Truck rear axle reducer shell according to claim 1, it is characterized in that, the upper left corner in four angles of front side board is fixedly welded with clamp, clamp is provided with slot, slot is plugged and connected with limiting plate, the cross section of limiting plate is in ' work ' shape, the cross section of slot is in ' T ' shape, other three angles of front side board are fixed with adjustable column, on adjustable column, axle is connected with fastening pin plate, adjustable column is socketed with spring, one end of spring withstands on front side board, the other end withstands on fastening pin plate, the top of adjustable column has been threaded fastening bolt, the boss of reducer shell is adjacent to after on assembly bench, screw fastening bolt and then make fastening pin plate compress boss.
3. the horizontal Machining centers of Truck rear axle reducer shell according to claim 2, it is characterized in that, assembly bench is fixedly connected with alignment pin, alignment pin plugs together with one of them installation opening of reducer shell convex platform and is connected, limiting plate and slot grafting rear position margining plate are stuck on the boss of reducer shell, two unit heads drive the drill bit out movement on it, process the axis hole of reducer shell through after the machining hole on the left plate of casing, right plate, the iron filings after processing are crossed fagging and are thrown on rear side of casing.
4. according to the horizontal Machining centers of the arbitrary described Truck rear axle reducer shell of claim 1-3, it is characterized in that, the bottom of base is integrated is provided with multiple slide rail, integratedly on holder be provided with multiple chute, slide rail and chute one_to_one corresponding, be slidably connected between slide rail and chute, slide rail and chute are used for the relative position calibrating machining hole and drill bit when assembling casing for the first time, the two ends of slide rail protrude from base, the both sides, front and back of base are provided with pressing plate, make bolted between pressing plate and slide rail, holder after regulating the position of casing.
5. as described in as arbitrary in claim 1-4, a using method for the horizontal Machining centers of Truck rear axle reducer shell, is characterized in that, comprise the steps:
The step of calibration when A, first assembling, makes the slide rail on base along the slide of holder, the center of calibration machining hole and drill bit be centrally located at same straight line after, between pressing plate and slide rail, holder, bolted completes fixing of casing;
The step of B, assembling, open cleaning door, the front side board of casing in control box is exposed, the circular opening of the wing plate of reducer shell along front side board is inserted, make top pressing board withstand on reducer shell, wing plate is positioned at the both sides of top pressing board and the end of wing plate withstands on fagging, makes wing plate expose to machining hole, boss is adjacent to assembly bench
The step of C, preliminary latch, first the alignment pin on assembly bench is plugged together with an installation opening interim on reducer shell and be connected, again limiting plate is inserted slot, limiting plate is slided along the top of slot, the below of limiting plate is stuck on boss, alignment pin and limiting plate are that diagonal is arranged, and complete the step of reducer shell preliminary latch at cabinet front plate by alignment pin and limiting plate;
D, fixing step, fastening pin plate is strip board, and it is connected with adjustment axis of a cylinder, and rotational fastener pin plate is pressed on boss, screws fastening bolt with spanner, and fastening pin plate compresses boss downwards, to be locked reducer shell by three fastening pin plates,
The step of E, processing, shuts cleaning door, and two unit heads drive the drill bit out movement on it, and process the axis hole of reducer shell through after the machining hole on the left plate of casing, right plate, the iron filings after processing are crossed fagging and are thrown on rear side of casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410787654.3A CN104493559B (en) | 2014-12-19 | 2014-12-19 | The horizontal Machining centers and its application method of Truck rear axle reducer shell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410787654.3A CN104493559B (en) | 2014-12-19 | 2014-12-19 | The horizontal Machining centers and its application method of Truck rear axle reducer shell |
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| Publication Number | Publication Date |
|---|---|
| CN104493559A true CN104493559A (en) | 2015-04-08 |
| CN104493559B CN104493559B (en) | 2018-01-12 |
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Cited By (3)
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| CN109013223A (en) * | 2018-10-12 | 2018-12-18 | 湖南航天机电设备与特种材料研究所 | A kind of printed board support fixture |
| CN112743122A (en) * | 2020-12-29 | 2021-05-04 | 江苏巨擎精密传动有限公司 | Reduction gear processingequipment convenient to carry out accurate location to reduction gear |
| CN113927328A (en) * | 2021-09-29 | 2022-01-14 | 青岛青特众力车桥有限公司 | Axle speed reducer shell boss structure and machining clamp thereof |
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| CN109013223A (en) * | 2018-10-12 | 2018-12-18 | 湖南航天机电设备与特种材料研究所 | A kind of printed board support fixture |
| CN112743122A (en) * | 2020-12-29 | 2021-05-04 | 江苏巨擎精密传动有限公司 | Reduction gear processingequipment convenient to carry out accurate location to reduction gear |
| CN113927328A (en) * | 2021-09-29 | 2022-01-14 | 青岛青特众力车桥有限公司 | Axle speed reducer shell boss structure and machining clamp thereof |
| CN113927328B (en) * | 2021-09-29 | 2024-05-31 | 青岛青特众力车桥有限公司 | Axle reduction gear shell boss structure and processing clamp thereof |
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| Publication number | Publication date |
|---|---|
| CN104493559B (en) | 2018-01-12 |
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Effective date of registration: 20220211 Address after: 266000 No. 106, Jiefang 2nd Road, Jimo District, Qingdao, Shandong Patentee after: QINGDAO HAITONG AUTO AXLE Co.,Ltd. Patentee after: Qingdao Haitong brake Co., Ltd Address before: 266000 a, No.7 Ruijin Road, Licang District, Qingdao City, Shandong Province Patentee before: QINGDAO HAITONG AUTO AXLE Co.,Ltd. |