CN111697771A - Motor rotor supports frock internal fixation device - Google Patents
Motor rotor supports frock internal fixation device Download PDFInfo
- Publication number
- CN111697771A CN111697771A CN202010610391.4A CN202010610391A CN111697771A CN 111697771 A CN111697771 A CN 111697771A CN 202010610391 A CN202010610391 A CN 202010610391A CN 111697771 A CN111697771 A CN 111697771A
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- fixing
- shell
- shaft
- motor rotor
- fixed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention belongs to the technical field of motor rotors, in particular to an inner buckle fixing device of a motor rotor supporting tool, which aims at the problems that the existing motor rotor mounting structure is complex and the operation is complicated, and the mounting time of the motor rotor is undoubtedly and greatly improved; the motor rotor fixing structure is simple to operate, when the motor rotor is installed, the rotor shaft and the shell on the motor rotor are clamped, the pressing shaft is pressed at the moment, the fixing sleeve and the fixing shaft can be clamped, the pressing shaft is fixed at the moment, the motor rotor fixing structure is completed, the operation is convenient and rapid, and the installation efficiency of the motor rotor is improved.
Description
Technical Field
The invention relates to the technical field of motor rotors, in particular to an inner buckle fixing device of a motor rotor supporting tool.
Background
A motor rotor: also a rotating part in the motor. The motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy. The rotor of the motor is divided into a motor rotor and a generator rotor.
In the process of mounting the rotor of the motor at present, the rotor is often mounted in a motor shell in a multi-point fixing mode, meanwhile, in the mounting process, two ends of the rotor need to be held by special persons to monitor the gap between the rotor and the motor shell, the rotor slowly penetrates into a stator bore of the motor shell under the condition that the peripheral gaps are uniform, in the process of penetrating the rotor, if the rotor needs to be placed on a stator core or a support outside the stator due to adjustment of hanging points, the rotor cannot be pressed on a stator coil, after the rotor enters the bore, after the stator, the rotor and the core are aligned, the rotor can be slowly and stably placed in the stator core through the hanging points at two ends, and a rotating shaft and a rope are dismounted.
The motor rotor mounting structure is complex, operation is complex, and the mounting time of the motor rotor is prolonged undoubtedly, so that the motor rotor supporting tool inner buckle fixing device is provided, and the problem is solved.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an inner buckle fixing device of a motor rotor supporting tool.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fixing device for an inner buckle of a motor rotor supporting tool comprises a shell, wherein a fixed frame is slidably clamped at the outer side of the shell, a rotor shaft is fixedly sleeved on the position of the circle center of the fixed frame, one end of the rotor shaft extends into the shell, a motor rotor is fixedly sleeved on the outer side of the rotor shaft, a fixed sleeve is fixedly installed at one end of the rotor shaft, a rotating shaft is rotatably connected to the inner wall of one side of the shell, a fixed shaft is fixedly connected to one end of the rotating shaft, one end of the fixed shaft extends into the fixed sleeve, two symmetrically-arranged bar-shaped holes are formed in the outer side of the fixed sleeve, two symmetrically-arranged clamping shafts are formed in the inner wall of the top of each bar-shaped hole, the two symmetrically-arranged clamping shafts are fixedly installed on the outer side of the fixed shaft, the clamping shafts and the corresponding clamping holes are clamped, and a, the utility model discloses a hydraulic press, including the casing, the bottom fixedly connected with rack of pressure moving axis, one side of rack and one side inner wall sliding connection of casing, rack and gear mesh mutually, the bottom fixedly connected with U-shaped plate of rack, the bottom of U-shaped plate is rotated and is connected with two axis of rotation that the symmetry set up, the bottom of axis of rotation and the bottom inner wall sliding connection of casing, the bottom of casing is rotated and is installed two flexible hydraulic stem that the symmetry set up, and the top of two flexible hydraulic stem respectively with the outside of two axis of rotation rotate to be connected, the top of casing is provided with and is used for carrying out the fixed subassembly fixed to pressing the moving axis.
Preferably, four limiting balls are fixedly mounted on the outer side of the shell, four limiting blocks are fixedly mounted on one side of the fixing frame and clamped with the corresponding limiting balls, and the fixing frame and the shell can be positioned and clamped by the limiting balls and the limiting blocks.
Preferably, ten to twenty heat dissipation grooves are formed in the outer side of the shell, and the ten to twenty heat dissipation grooves are annularly and equidistantly distributed on the outer side of the shell.
Preferably, the top and the bottom of fixed sleeve all fixed mounting have the fixed block, the top and the bottom all fixed mounting of fixed axle have the dead lever, and two dead levers clamp with two fixed blocks respectively mutually, utilize dead lever and fixed block can increase fixed connection's between fixed sleeve and the fixed axle steadiness.
Preferably, a bearing is fixedly mounted on the inner wall of one side of the shell, one end of the rotating shaft extends to the inner ring of the bearing and is fixedly connected with the inner ring of the bearing, and the rotating shaft can be rotatably supported by the bearing.
Preferably, the bottom of axis of rotation is rotated and is installed the slider, fixed mounting has two slide rails that the symmetry set up on the bottom inner wall of shell, and two sliders respectively with two slide rail sliding connection, utilize slider and slide rail can make the bottom of axis of rotation slide along the straight line when removing and can not take place the skew.
Preferably, the fixed subassembly includes two U-shaped fixed plates that the symmetry of fixed mounting at the shell top set up, two arc fixed plates that the symmetry set up are installed in the outside rotation of pressure moving axis, and two arc fixed plates rotate respectively in two corresponding U-shaped fixed plates, set up two screw holes that the symmetry set up on the arc fixed plate, threaded connection has two fixing bolt that the symmetry set up on the U-shaped fixed plate, and fixing bolt runs through corresponding screw hole and threaded connection with the screw hole, utilizes fixing bolt can be with arc fixed plate and U-shaped fixed plate fixed connection, and arc fixed plate is again with the pressure moving axis fixed simultaneously, so can fix the pressure moving axis.
Preferably, a sealing gasket is fixedly mounted on one side of the fixing frame, and the fixing frame is tightly connected with the shell through the sealing gasket.
In the invention, when the motor rotor is required to be fixedly arranged in the shell, at the moment, because the motor rotor is fixed on the rotor shaft, one end of the rotor shaft is extended into the shell and the fixed sleeve and the fixed shaft are clamped, and when the rotor shaft is extended into the shell, the limiting ball and the corresponding limiting block are required to be clamped, so that the position of one end of the rotor shaft extending into the shell is limited, at the moment, the pressing shaft is pressed, the pressing shaft can push the rack to move downwards, the rack is meshed with the gear, so that the rotating shaft can be driven to rotate, the rotating shaft can drive the fixed shaft to rotate, the rotating fixed shaft can clamp the clamping shaft into the corresponding clamping hole, at the same time, the fixed shaft can drive the two fixed rods to rotate when rotating, the rotating fixed rods can be clamped into the corresponding fixed blocks, and when the fixed shaft and the fixed sleeve are fixed, the pressure moving shaft just can't promote downwards, rotates this moment and presses epaxial two arc fixed plates, rotates arc fixed plate in the corresponding U-shaped fixed plate to use fixing bolt with arc fixed plate and U-shaped fixed plate fixed connection, alright fix the pressure moving shaft this moment, because the pressure moving shaft is in fixed state, and then can be so that fixed sleeve and fixed axle are in the state of clamping all the time, just accomplished the fixing to electric motor rotor this moment.
The motor rotor fixing structure is simple to operate, when the motor rotor is installed, the rotor shaft and the shell on the motor rotor are clamped, the pressing shaft is pressed at the moment, the fixing sleeve and the fixing shaft can be clamped, the pressing shaft is fixed at the moment, the motor rotor fixing structure is completed, the operation is convenient and rapid, and the installation efficiency of the motor rotor is improved.
Drawings
Fig. 1 is a schematic view of an overall structure of an inner buckle fixing device of a motor rotor support tool provided by the invention;
fig. 2 is a schematic structural view of the front cross section of the inner buckle fixing device of the motor rotor support tool in fig. 1 according to the present invention;
fig. 3 is a schematic three-dimensional structure diagram of the fixing sleeve in fig. 2 of the inner buckle fixing device of the motor rotor support tool provided by the invention;
fig. 4 is a schematic top view of a portion of the fastening device shown in fig. 2 for the inner buckle of the motor rotor supporting tool according to the present invention;
fig. 5 is a schematic top view of the pressing shaft in fig. 2 of the fastening device for the inner buckle of the motor rotor supporting tool according to the present invention;
fig. 6 is an enlarged schematic structural view of a portion a in fig. 2 of an inner buckle fixing device of a motor rotor support tool according to the present invention;
fig. 7 is an enlarged structural schematic view of a portion B in fig. 2 of the inner buckle fixing device of the motor rotor support tool provided by the invention.
In the figure: 1. a housing; 2. a fixed mount; 3. a rotor shaft; 4. a motor rotor; 5. fixing the sleeve; 6. a fixed shaft; 7. a rotating shaft; 8. a gear; 9. a rack; 10. pressing the shaft; 11. An arc-shaped fixing plate 12 and a U-shaped fixing plate; 13. fixing the bolt; 14. a U-shaped plate; 15. a rotating shaft; 16. a telescopic hydraulic rod; 17. a slider; 18. a slide rail; 19. clamping a shaft; 20. strip-shaped holes, 21 and clamping holes; 22. a fixed block; 23. fixing the rod; 24. a threaded hole; 25. a heat sink; 26. a limiting ball; 27 a stop block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-7, an inner buckle fixing device of a motor rotor supporting tool comprises a housing 1, a fixed frame 2 is slidably clamped at the outer side of the housing 1, a rotor shaft 3 is fixedly sleeved at the position of the center of a circle of the fixed frame 2, one end of the rotor shaft 3 extends into the housing 1, a motor rotor 4 is fixedly sleeved at the outer side of the rotor shaft 3, a fixed sleeve 5 is fixedly installed at one end of the rotor shaft 3, a rotating shaft 7 is rotatably connected to the inner wall of one side of the housing 1, a fixed shaft 6 is fixedly connected to one end of the rotating shaft 7, one end of the fixed shaft 6 extends into the fixed sleeve 5, two symmetrically arranged bar-shaped holes 20 are formed at the outer side of the fixed sleeve 5, two symmetrically arranged clamping holes 21 are formed at the inner wall of the top of the bar-shaped holes 20, two symmetrically arranged clamping shafts 19 are fixedly installed at the outer side of the fixed, the top of the shell 1 is connected with a pressing shaft 10 in a sliding manner, the bottom of the pressing shaft 10 is fixedly connected with a rack 9, one side of the rack 9 is connected with the inner wall of one side of the shell 1 in a sliding manner, the rack 9 is meshed with a gear 8, the bottom of the rack 9 is fixedly connected with a U-shaped plate 14, the bottom of the U-shaped plate 14 is connected with two symmetrically arranged rotating shafts 15 in a rotating manner, the bottom of the rotating shaft 15 is connected with the inner wall of the bottom of the shell 1 in a sliding manner, the bottom of the shell 1 is rotatably provided with two symmetrically arranged telescopic hydraulic rods 16, the tops of the two telescopic hydraulic rods 16 are respectively connected with the outer sides of the two rotating shafts 15 in a rotating manner, the top of the shell 1 is provided with a fixing component for fixing the pressing shaft 10, the invention has simple operation, when the motor rotor 4 is installed, the rotor shaft 3 on the motor rotor 4 is clamped with the shell 1, and then the pressing, at this time, the pressing shaft 10 is fixed, so that the fixed installation structure of the motor rotor 4 is completed, the operation is convenient and fast, and the installation efficiency of the motor rotor is improved.
Example two
The improvement is further based on the first embodiment: four limiting balls 26 are fixedly mounted on the outer side of the shell 1, four limiting blocks 27 are fixedly mounted on one side of the fixing frame 2, the limiting blocks 27 are clamped with the corresponding limiting balls 26, the fixing frame 2 and the shell 1 can be positioned and clamped by the limiting balls 26 and the limiting blocks 27, ten to twenty radiating grooves 25 are formed in the outer side of the shell 1, the ten to twenty radiating grooves 25 are annularly and equidistantly distributed on the outer side of the shell 1, fixing blocks 22 are fixedly mounted at the top and the bottom of the fixing sleeve 5, fixing rods 23 are fixedly mounted at the top and the bottom of the fixing shaft 6, the two fixing rods 23 are respectively clamped with the two fixing blocks 22, the fixing connection stability between the fixing sleeve 5 and the fixing shaft 6 can be improved by the fixing rods 23 and the fixing blocks 22, a bearing is fixedly mounted on the inner wall on one side of the shell 1, one end of the rotating shaft 7 extends to the inner ring of the bearing and is fixedly connected, the bearing is utilized to provide a rotating support for the rotating shaft 7, the bottom of the rotating shaft 15 is rotatably provided with the sliding block 17, the inner wall of the bottom of the shell 1 is fixedly provided with two sliding rails 18 which are symmetrically arranged, the two sliding blocks 17 are respectively connected with the two sliding rails 18 in a sliding manner, the sliding block 17 and the sliding rails 18 can enable the bottom of the rotating shaft 15 to slide along a straight line without deviation when moving, the fixing component comprises two U-shaped fixing plates 12 which are symmetrically arranged and fixedly arranged at the top of the shell 1, the outer side of the pressing shaft 10 is rotatably provided with two arc-shaped fixing plates 11 which are symmetrically arranged, the two arc-shaped fixing plates 11 are respectively rotated into the two corresponding U-shaped fixing plates 12, the arc-shaped fixing plates 11 are provided with two threaded holes 24 which are symmetrically arranged, the U-shaped fixing plates 12 are in threaded connection with two fixing bolts 13 which are symmetrically arranged, utilize fixing bolt 13 can be with arc fixed plate 11 and U-shaped fixed plate 12 fixed connection, arc fixed plate 11 is fixed with pressure movable shaft 10 again simultaneously, so can fix pressure movable shaft 10, one side fixed mounting of mount 2 has sealed the pad, and mount 2 is through sealed pad and 1 zonulae occludens of shell.
The working principle is as follows: when the motor rotor 4 needs to be fixedly installed in the housing 1, at this time, because the motor rotor 4 is fixed on the rotor shaft 3, one end of the rotor shaft 3 is inserted into the housing 1, and the fixing sleeve 5 and the fixing shaft 6 are clamped, and when the rotor shaft 3 is inserted into the housing 1, the limiting ball 26 and the corresponding limiting block 27 need to be clamped, so that the position of the end of the rotor shaft 3 inserted into the housing 1 is limited, at this time, the pressing shaft 10 is pressed, the pressing shaft 10 pushes the rack 9 to move downwards, and the rack 9 is engaged with the gear 8, so that the rotating shaft 7 can be driven to rotate, the rotating shaft 7 can drive the fixing shaft 6 to rotate, the rotating fixing shaft 6 can clamp the clamping shaft 19 into the corresponding clamping hole 21, at the same time, the fixing shaft 6 can drive the two fixing rods 23 to rotate when rotating, and the rotating fixing rods 23 can be clamped into the corresponding fixing blocks 22, when fixed axle 6 and fixed sleeve 5 realize the fixed clamping, it just can't promote downwards to press movable shaft 10, two arc fixed plates 11 on the movable shaft 10 of rotation this moment, rotate arc fixed plate 11 to in the corresponding U-shaped fixed plate 12, and use fixing bolt 13 with arc fixed plate 11 and U-shaped fixed plate 12 fixed connection, alright fix movable shaft 10 with pressing this moment, because press movable shaft 10 to be in fixed state, and then can be so that fixed sleeve 5 and fixed axle 6 are in the state of clamping all the time, the fixing to electric motor rotor 4 has just been accomplished this moment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a detain fixing device in motor rotor supports frock, includes shell (1), its characterized in that, the outside slip card of shell (1) is equipped with mount (2), fixed cover is equipped with rotor shaft (3) on the centre of a circle position of mount (2), the one end of rotor shaft (3) extends to in shell (1), and the fixed cover in outside of rotor shaft (3) is equipped with motor rotor (4), the one end fixed mounting of rotor shaft (3) has fixed sleeve (5), it is connected with rotation axis (7) to rotate on the inner wall of one side of shell (1), the one end fixedly connected with fixed axle (6) of rotation axis (7), the one end of fixed axle (6) extends to in fixed sleeve (5), two bar holes (20) that the symmetry set up are seted up in the outside of fixed sleeve (5), set up two card holes (21) that the symmetry set up on the top inner wall of bar hole (20), the outer side of the fixed shaft (6) is fixedly provided with two clamping shafts (19) which are symmetrically arranged, the clamping shafts (19) are clamped with corresponding clamping holes (21), the top of the shell (1) is connected with a pressing shaft (10) in a sliding manner, the bottom of the pressing shaft (10) is fixedly connected with a rack (9), one side of the rack (9) is connected with the inner wall of one side of the shell (1) in a sliding manner, the rack (9) is meshed with a gear (8), the bottom of the rack (9) is fixedly connected with a U-shaped plate (14), the bottom of the U-shaped plate (14) is rotatably connected with two rotating shafts (15) which are symmetrically arranged, the bottom of each rotating shaft (15) is connected with the inner wall of the bottom of the shell (1) in a sliding manner, the bottom of the shell (1) is rotatably provided with two telescopic hydraulic rods (16) which are symmetrically arranged, and the tops of the two telescopic hydraulic rods (16) are respectively rotatably connected with, the top of the shell (1) is provided with a fixing component for fixing the pressing shaft (10).
2. The inner buckle fixing device for the motor rotor supporting tool according to claim 1, wherein four limiting balls (26) are fixedly mounted on the outer side of the shell (1), four limiting blocks (27) are fixedly mounted on one side of the fixing frame (2), and the limiting blocks (27) are clamped with the corresponding limiting balls (26).
3. The inner buckle fixing device for the motor rotor supporting tool according to claim 1, wherein ten to twenty heat dissipation grooves (25) are formed in the outer side of the shell (1), and the ten to twenty heat dissipation grooves (25) are annularly and equidistantly distributed in the outer side of the shell (1).
4. The inner buckle fixing device for the motor rotor supporting tool is characterized in that fixing blocks (22) are fixedly mounted at the top and the bottom of the fixing sleeve (5), fixing rods (23) are fixedly mounted at the top and the bottom of the fixing shaft (6), and the two fixing rods (23) are respectively clamped with the two fixing blocks (22).
5. The inner buckle fixing device for the motor rotor supporting tool is characterized in that a bearing is fixedly mounted on the inner wall of one side of the shell (1), and one end of the rotating shaft (7) extends to an inner ring of the bearing and is fixedly connected with the inner ring of the bearing.
6. The inner buckle fixing device for the motor rotor supporting tool according to claim 1, wherein a sliding block (17) is rotatably mounted at the bottom of the rotating shaft (15), two sliding rails (18) which are symmetrically arranged are fixedly mounted on the inner wall of the bottom of the shell (1), and the two sliding blocks (17) are respectively connected with the two sliding rails (18) in a sliding manner.
7. The inner buckle fixing device for the motor rotor supporting tool is characterized in that the fixing assembly comprises two U-shaped fixing plates (12) which are fixedly mounted at the top of the shell (1) and symmetrically arranged, two arc-shaped fixing plates (11) which are symmetrically arranged are rotatably mounted on the outer side of the pressing shaft (10), the two arc-shaped fixing plates (11) respectively rotate into the two corresponding U-shaped fixing plates (12), two symmetrically arranged threaded holes (24) are formed in the arc-shaped fixing plates (11), two symmetrically arranged fixing bolts (13) are in threaded connection with the U-shaped fixing plates (12), and the fixing bolts (13) penetrate through the corresponding threaded holes (24) and are in threaded connection with the threaded holes (24).
8. The inner buckle fixing device for the motor rotor supporting tool according to claim 1, wherein a sealing gasket is fixedly mounted on one side of the fixing frame (2), and the fixing frame (2) is tightly connected with the shell (1) through the sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010610391.4A CN111697771B (en) | 2020-06-29 | 2020-06-29 | Motor rotor supports frock internal fixation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010610391.4A CN111697771B (en) | 2020-06-29 | 2020-06-29 | Motor rotor supports frock internal fixation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111697771A true CN111697771A (en) | 2020-09-22 |
| CN111697771B CN111697771B (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010610391.4A Active CN111697771B (en) | 2020-06-29 | 2020-06-29 | Motor rotor supports frock internal fixation device |
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| Country | Link |
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| CN (1) | CN111697771B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205792089U (en) * | 2016-06-30 | 2016-12-07 | 江苏朗信电气有限公司 | A kind of rotor axial gap adjustment machine |
| CN206471937U (en) * | 2017-03-02 | 2017-09-05 | 东莞市集贤电子有限公司 | A kind of rotor being conveniently replaceable |
| CN107733186A (en) * | 2017-10-23 | 2018-02-23 | 宁波市江北区伊人宝贸易有限公司 | A kind of processing unit of plastic packaging stator assembly production BMC shell inner cavities |
| CN209533394U (en) * | 2019-01-21 | 2019-10-25 | 昆山艾富吉机电设备有限公司 | A kind of straight line executing mechanism and the three-dimensional moving assembly with straight line executing mechanism |
| CN210147406U (en) * | 2019-07-05 | 2020-03-17 | 济南宸佳耐磨材料有限公司 | Automatic pressure equipment machine of polymer bearing roller |
| CN210614946U (en) * | 2019-09-05 | 2020-05-26 | 济南安广数控设备有限公司 | Bending tool of steel bar bender |
-
2020
- 2020-06-29 CN CN202010610391.4A patent/CN111697771B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205792089U (en) * | 2016-06-30 | 2016-12-07 | 江苏朗信电气有限公司 | A kind of rotor axial gap adjustment machine |
| CN206471937U (en) * | 2017-03-02 | 2017-09-05 | 东莞市集贤电子有限公司 | A kind of rotor being conveniently replaceable |
| CN107733186A (en) * | 2017-10-23 | 2018-02-23 | 宁波市江北区伊人宝贸易有限公司 | A kind of processing unit of plastic packaging stator assembly production BMC shell inner cavities |
| CN209533394U (en) * | 2019-01-21 | 2019-10-25 | 昆山艾富吉机电设备有限公司 | A kind of straight line executing mechanism and the three-dimensional moving assembly with straight line executing mechanism |
| CN210147406U (en) * | 2019-07-05 | 2020-03-17 | 济南宸佳耐磨材料有限公司 | Automatic pressure equipment machine of polymer bearing roller |
| CN210614946U (en) * | 2019-09-05 | 2020-05-26 | 济南安广数控设备有限公司 | Bending tool of steel bar bender |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111697771B (en) | 2022-12-13 |
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