CN110315473B - Bearing drawing and disassembling device for bearing detection - Google Patents
Bearing drawing and disassembling device for bearing detection Download PDFInfo
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- CN110315473B CN110315473B CN201910685568.4A CN201910685568A CN110315473B CN 110315473 B CN110315473 B CN 110315473B CN 201910685568 A CN201910685568 A CN 201910685568A CN 110315473 B CN110315473 B CN 110315473B
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- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 238000003825 pressing Methods 0.000 claims abstract description 40
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000008602 contraction Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims 7
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
Abstract
The invention provides a bearing drawing and disassembling device for bearing detection, which comprises a rotary bolt and a pressing ball, wherein the rotary bolt is connected with the pressing ball; the clamping blocks are semicircular, the end surfaces of the inner circles are arc surfaces, sharp corners are formed at the bottom sides, the two sharp corners are used in pairs, and threaded through holes are formed in the symmetry axis from right to left; the thread blocks are in a semicircular key shape, a threaded hole is formed in the circle center of the semicircular end and is welded to the front end and the rear end of the top side of each clamping block, and the thread blocks at the two opposite positions on the clamping blocks are connected together through bolts; the long bolt is a screw shaft, and the bottom of the long bolt is fixedly connected to the cylindrical block through a bolt; the invention can disassemble and take down the bearing arranged on the bearing seat by the lever principle, can be suitable for bearings with various sizes by using the shrinkage block, has wide application range, can apply downward force to the fixed shaft in the inner diameter of the bearing by the lower pressing column and apply upward pulling force to the bearing by the clamping block when the bearing is tightly fixed and can not be disassembled only by the lever principle, and can take out the bearing.
Description
Technical Field
The invention belongs to the technical field of bearing drawing and disassembling devices and bearing detection, and particularly relates to a bearing drawing and disassembling device for bearing detection.
Background
When the bearing is detected, the bearing needs to be taken out of the bearing seat firstly, and then size and performance detection is carried out.
The device comprises a drawing rod, a drawing rod mounting seat and a pin puller, wherein the head of the drawing rod is provided with the drawing rod, and one end face of the drawing rod mounting seat is provided with a drawing rod mounting hole; the tail end of the drawing rod is sequentially provided with a locking section, a neck section and a limiting section. The drawing rod mounting hole is two communicated sections, the size of the front section of the drawing rod mounting hole can enable the drawing rod locking section and the neck section to pass through and only enable the neck section to rotate in the drawing rod mounting hole, and the size of the rear section of the drawing rod mounting hole can enable the drawing rod locking section to rotate in the drawing rod mounting hole; the drawing rod mounting seat is provided with a connecting part used for being connected with the pin puller. The acting force of the invention is consistent with the withdrawing direction of the bearing, so the required acting force is obviously reduced compared with the existing method, and the withdrawing of the bearing is easy. The bearing extracting device is simple to use, has no requirement on operators, improves the production efficiency and shortens the production period.
Chinese patent with application number CN201410782268.5 discloses a cover formula bearing puller rises, including inside and outside coaxial complex locking screw, rise awl and rise cover and lock nut, rise the awl with rise the cover and be the structure that one end is big and the one end is little, still include with a plurality of cover matched with synchronous connecting plate that rises, be equipped with on the synchronous connecting plate with every cover top little end that rises cooperate, with the relative mounting hole of bearing inner circle, every locking screw's nut supports with the bottom big end that rises the awl and is connected, every locking screw's screw passes in proper order and rises awl, rise cover and mounting hole and the lock nut screw-thread fit at top, be equipped with in the middle of the synchronous connecting plate and draw the screw hole, synchronous connecting plate top still is equipped with and draws the pull rod that the screw hole screw-thread links to each other. The invention can draw a plurality of bearings simultaneously, provides stable vertical upward drawing force for the bearings, and can be widely applied to the technical field of fuel pumps.
Based on the above, the inventor finds that the prior invention has strong pertinence when the bearing is pulled and disassembled, is only suitable for pulling and disassembling the bearing of a certain specification due to the unadjustable size, and cannot be used when the bearing on the bearing seat of other model sizes is pulled and disassembled, has a narrow application range and cannot be matched with more model specifications.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a bearing pull-out and disassembly device for bearing detection is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problem, the invention provides a bearing pulling and disassembling device for bearing detection, which aims to solve the problems that the existing application range is narrow and more specifications cannot be matched.
The invention relates to a bearing drawing and disassembling device for bearing detection, which is realized by the following specific technical means:
a bearing drawing and disassembling device for bearing detection comprises a clamping block, a threaded block, a cylindrical block, a telescopic column, a shrinking block, an adjusting hole, a rotating head, an adjusting bolt, a long bolt, a jacking plate, a thin nut, a lower pressing column, a jacking block, a cross swing frame, a rotating bolt and a lower pressing ball; the clamping blocks are semicircular, the end surfaces of the inner circles are arc surfaces, sharp corners are formed at the bottom sides, the two sharp corners are used in pairs, and threaded through holes are formed in the symmetry axis from right to left; the thread blocks are in a semicircular key shape, a threaded hole is formed in the circle center of the semicircular end and is welded to the front end and the rear end of the top side of each clamping block, and the thread blocks at the two opposite positions on the clamping blocks are connected together through bolts; the cylindrical block is cylindrical, is welded at the left end of the top side surface of the clamping block and is provided with a threaded hole from top to bottom; the long bolt is a screw shaft, and the bottom of the long bolt is fixedly connected to the cylindrical block through a bolt; the thin nuts are arranged at six positions, wherein four positions are connected to the long bolt through screws, and the other two positions are respectively connected to the bolts on the thread blocks; the lower pressing column consists of four parts, namely a top block, a cross-shaped swinging frame, a rotating bolt and a lower pressing ball; the top block is of a cylindrical structure, the cross-shaped swing frame is a square column, and the cross-shaped swing frame is welded on the circumferential surface of the top block in an annular array at four positions; the rotary bolt is welded on the bottom side surface of the top block; the lower pressing ball is of a cylindrical structure, the bottom side surface of the lower pressing ball is a spherical surface, and the lower pressing ball is welded on the bottom side surface of the rotary bolt.
Furthermore, the left end of the telescopic column is butterfly-shaped, and the right end of the telescopic column is a stepped stud and is connected to the clamping block through a screw.
Furthermore, the contraction block is a semicircular annular block, the inner circular surface is an arc surface, and a sharp corner is formed at the bottom end.
Furthermore, the adjusting hole is a stepped hole and is arranged on the top side surface of the shrinkage block.
Furthermore, the rotating head is of a stepped shaft structure, the large-diameter end of the rotating head is arranged on the right side and is arranged in the shrinkage block and can rotate radially, a threaded hole is formed in the left end face of the rotating head, the hole specification is the same as that of a small-end bolt of the telescopic column, a blind hole is formed in the small-diameter circumferential surface of the rotating head, and the hole diameter is equal to the small diameter of the adjusting hole.
Furthermore, the adjusting bolt is of a stepped shaft structure, the diameters of circular shafts at two ends are respectively smaller than the diameters of two sections of the adjusting hole by 0.5mm, an elliptical sheet is welded at the top of the adjusting bolt, and a circular hole is formed in the middle of the elliptical sheet.
Furthermore, the top pressure plate is an H-shaped plate, the width of the rectangular groove at the left end and the right end is smaller than that of the thin nut, and a threaded hole is formed in the middle of the top pressure plate.
Furthermore, the lower pressing column is connected to the top pressing plate through a bolt and can move up and down on the top pressing plate along with spiral movement.
Compared with the prior art, the invention has the following beneficial effects:
the setting of screw thread piece is favorable to gathering about two clamp splice to the centre through the cooperation of bolt and thin nut to be convenient for carry out the centre gripping with the bearing bottom, be convenient for use lever principle with the bearing perk.
The arrangement of the cross-shaped swing frame is beneficial to reducing the force applied by hands, and the conversion from the rotary motion to the up-and-down linear motion can be completed by rotating the lower pressing column without labor.
The invention can disassemble and take down the bearing arranged on the bearing seat by the lever principle, can be suitable for bearings with various sizes by using the shrinkage block, has wide application range, can apply downward force to the fixed shaft in the inner diameter of the bearing by the lower pressing column and apply upward pulling force to the bearing by the clamping block when the bearing is tightly fixed and can not be disassembled only by the lever principle, and can take out the bearing.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a front view of the clamp block of the present invention.
Fig. 4 is a top view of the clamp block of the present invention.
Fig. 5 is a front view of the inventive reduction block.
Fig. 6 is a top view of the reduction block of the present invention.
Fig. 7 is a left side view of the thread block of the present invention.
Fig. 8 is a top view of the top press plate of the present invention.
Fig. 9 is a front view of the hold-down post of the present invention.
Figure 10 is a top view of the hold-down post of the present invention.
FIG. 11 is a front view of the adjusting bolt of the present invention.
Fig. 12 is a left side view of the adjusting bolt of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1-clamping block, 101-thread block, 102-cylindrical block, 103-telescopic column, 2-shrinking block, 201-adjusting hole, 202-rotating head, 203-adjusting bolt, 3-long bolt, 4-top pressure plate, 5-thin nut, 6-lower pressing column, 601-top block, 602-cross swing frame, 603-rotating bolt and 604-lower pressing ball.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 12: a bearing drawing and disassembling device for bearing detection comprises a clamping block 1, a thread block 101, a cylindrical block 102, a telescopic column 103, a contraction block 2, an adjusting hole 201, a rotating head 202, an adjusting bolt 203, a long bolt 3, a top pressure plate 4, a thin nut 5, a lower pressing column 6, a top block 601, a cross-shaped swing frame 602, a rotating bolt 603 and a lower pressing ball 604; the clamping block 1 is semicircular, the end surface of the inner circle is an arc surface, a sharp corner is formed at the bottom side, two points are used in pairs, and threaded through holes are formed in the symmetry axis from right to left; the thread blocks 101 are in a semicircular key shape, the circle center of the semicircular end is provided with a threaded hole and welded at the front end and the rear end of the top side of the clamping block 1, and the thread blocks 101 at the two opposite positions on the clamping block 1 are connected together through bolts; the cylindrical block 102 is cylindrical, is welded at the left end of the top side surface of the clamping block 1 and is provided with a threaded hole from top to bottom; the long bolt 3 is a screw shaft, and the bottom of the long bolt is fixedly connected to the cylindrical block 102 through a bolt; the thin nuts 5 are connected to the long bolts 3 through screws at four positions, and the other two positions are respectively connected to the bolts on the thread blocks 101; the lower pressing column 6 consists of four parts, namely a top block 601, a cross swing frame 602, a rotating bolt 603 and a lower pressing ball 604; the top block 601 is of a cylindrical structure, the cross-shaped swing frame 602 is a square column, and is welded on the circumferential surface of the top block 601 in an annular array at four positions; the rotating bolt 603 is welded on the bottom side surface of the top block 601; the lower pressing ball 604 is a cylindrical structure, and the bottom side surface is a spherical surface and is welded to the bottom side surface of the rotating bolt 603.
The left end of the telescopic column 103 is butterfly-shaped, so that manual screwing is facilitated, the right end of the telescopic column is a stepped stud and is connected to the clamping block 1 through a screw, and a small-diameter end stud of the right end of the telescopic column is matched with a threaded hole of the rotating head 202.
Wherein, the piece 2 that contracts is semicircle annular piece, and interior disc is the arc surface, forms the closed angle at the bottom, connects in series to the inside of clamp splice 1, and when the bearing diameter that needs to dismantle was less, clamp splice 1 can not the centre gripping, connects and contracts piece 2 and use and contract piece 2 and carry out the centre gripping.
Wherein, the adjusting hole 201 is a stepped hole, which is opened on the top side surface of the contraction block 2 and is used for inserting the adjusting bolt 203.
Wherein, the rotating head 202 is the step shaft structure, and the big footpath end is on the right, locates in the piece 2 that contracts, can do radial rotation, and its left end face has seted up the screw hole, and the hole specification is the same with the tip bolt specification of flexible post 103, has seted up a blind hole on the rotating head 202 path periphery, and the aperture equals the path of regulation hole 201.
Wherein, adjusting bolt 203 is the step shaft structure, and both ends circle axle diameter is less than two sections diameters 0.5mm of regulation hole 201 respectively, and the top welding has the elliptical disk, the manual operation of being convenient for, has seted up the round hole in the middle of the elliptical disk, when needs will contract piece 2 and clamp splice 1 and establish ties together, need use adjusting bolt 203 to insert regulation hole 201, with the radial motion restraint of rotating head 202, then link together both through flexible post 103.
The top pressure plate 4 is an H-shaped plate, the width of the rectangular groove at the left end and the right end is smaller than that of the thin nut 5, the middle of the top pressure plate is provided with a threaded hole, the height of the top pressure plate 4 on the long bolt 3 can be adjusted according to the height of the shaft part with the fixed inner diameter of the rolling bearing, so that a more labor-saving force application point is found, and the lower pressing column 6 is pressed downwards.
The lower pressing column 6 is connected to the top pressing plate 4 through a bolt, can move up and down on the top pressing plate 4 along with spiral movement, and applies pressing force to the shaft part below by converting self rotation movement into up and down movement relative to the top pressing plate 4 to react on the clamping block 1 for clamping the bearing, so that the bearing is pulled out.
The specific use mode and function of the embodiment are as follows:
according to the invention, when the bearing is large and can be directly clamped by using the clamping blocks 1, the two clamping blocks 1 are placed on two sides of the bearing and move towards the center of the bearing, the two clamping blocks 1 are connected by using bolts and clamped to a gap between the bearing and a bearing seat from the tip of the bottom, an upward prying force is applied, if the bearing is not suitable for clamping by the clamping blocks 1, the contraction block 2 is connected to the clamping blocks 1 in series, and the rotation motion of the telescopic column 103 is converted into the leftward and rightward motion of the telescopic column, so that the contraction block 2 moves leftward and rightward. Prying is applied to the clamped bearing along with the tightening of the bolt on the threaded block 1, if the bearing cannot be pried due to over-tightening, the long bolt 3 is additionally arranged on the cylindrical block 102, the jacking plate 4 is fixed on the long bolt 3, the rotary lower pressing column 6 is operated, so that the lower pressing ball 604 generates jacking force on the shaft part with the fixed inner diameter of the bearing, the bearing is pulled upwards, and the bearing can be detached and taken down.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a dismounting device is drawn to bearing for bearing detects which characterized in that: the bearing drawing and disassembling device for bearing detection comprises a clamping block, a threaded block, a cylindrical block, a telescopic column, a shrinking block, an adjusting hole, a rotating head, an adjusting bolt, a long bolt, a jacking plate, a thin nut, a lower pressing column, a jacking block, a cross swing frame, a rotating bolt and a lower pressing ball; the clamping blocks are semicircular, the end surfaces of the inner circles are arc surfaces, sharp corners are formed at the bottom sides, the two sharp corners are used in pairs, and threaded through holes are formed in the symmetry axis from right to left; the thread blocks are in a semicircular key shape, a threaded hole is formed in the circle center of the semicircular end and is welded to the front end and the rear end of the top side of each clamping block, and the thread blocks at the two opposite positions on the clamping blocks are connected together through bolts; the cylindrical block is cylindrical, is welded at the left end of the top side surface of the clamping block and is provided with a threaded hole from top to bottom; the long bolt is a screw shaft, and the bottom of the long bolt is fixedly connected to the cylindrical block through a bolt; the thin nuts are arranged at six positions, wherein four positions are connected to the long bolt through screws, and the other two positions are respectively connected to the bolts on the thread blocks; the lower pressing column consists of four parts, namely a top block, a cross-shaped swinging frame, a rotating bolt and a lower pressing ball; the top block is of a cylindrical structure, the cross-shaped swing frame is a square column, and the cross-shaped swing frame is welded on the circumferential surface of the top block in an annular array at four positions; the rotary bolt is welded on the bottom side surface of the top block; the lower pressing ball is of a cylindrical structure, the bottom side surface of the lower pressing ball is a spherical surface, and the lower pressing ball is welded on the bottom side surface of the rotary bolt.
2. The bearing pulling and disassembling device for bearing inspection as claimed in claim 1, wherein: the left end of the telescopic column is butterfly-shaped, and the right end of the telescopic column is a stepped stud and is connected to the clamping block through a screw.
3. The bearing pulling and disassembling device for bearing inspection as claimed in claim 1, wherein: the contraction block is a semicircular annular block, the inner circular surface is an arc surface, and a sharp corner is formed at the bottom end.
4. The bearing pulling and disassembling device for bearing inspection as claimed in claim 3, wherein: the adjusting hole is a stepped hole and is arranged on the top side surface of the shrinkage block.
5. The bearing pulling and disassembling device for bearing inspection as claimed in claim 4, wherein: the rotating head is of a stepped shaft structure, the large-diameter end of the rotating head is arranged on the right side and can rotate in the radial direction in the shrinkage block, a threaded hole is formed in the left end face of the rotating head, the hole specification is the same as that of a small-end bolt of the telescopic column, a blind hole is formed in the small-diameter circumferential surface of the rotating head, and the aperture of the blind hole is equal to the small diameter of the adjusting hole.
6. The bearing pulling and disassembling device for bearing inspection as claimed in claim 5, wherein: the adjusting bolt is of a stepped shaft structure, the diameters of circular shafts at two ends are respectively smaller than the diameters of two sections of the adjusting hole by 0.5mm, an elliptical sheet is welded at the top of the adjusting bolt, and a circular hole is formed in the middle of the elliptical sheet.
7. The bearing pulling and disassembling device for bearing inspection as claimed in claim 1, wherein: the top pressure plate is an H-shaped plate, the width of the rectangular groove at the left end and the right end is smaller than that of the thin nut, and a threaded hole is formed in the middle of the top pressure plate.
8. The bearing pulling and disassembling device for bearing inspection as claimed in claim 7, wherein: the lower pressing column is connected to the top pressing plate through a bolt and can move up and down on the top pressing plate along with spiral movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910685568.4A CN110315473B (en) | 2019-07-27 | 2019-07-27 | Bearing drawing and disassembling device for bearing detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910685568.4A CN110315473B (en) | 2019-07-27 | 2019-07-27 | Bearing drawing and disassembling device for bearing detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110315473A CN110315473A (en) | 2019-10-11 |
| CN110315473B true CN110315473B (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910685568.4A Active CN110315473B (en) | 2019-07-27 | 2019-07-27 | Bearing drawing and disassembling device for bearing detection |
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| CN (1) | CN110315473B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2877974Y (en) * | 2006-01-23 | 2007-03-14 | 广东蓉胜超微线材股份有限公司 | Novel extractor |
| CN202428386U (en) * | 2011-11-22 | 2012-09-12 | 长城汽车股份有限公司 | Electric puller device |
| CN102941482A (en) * | 2012-11-23 | 2013-02-27 | 哈尔滨汽轮机厂有限责任公司 | Clamp for flattening and processing high-speed power turbine support ring sleeve for gas turbine |
| CN202960136U (en) * | 2012-12-24 | 2013-06-05 | 厦门优尔电器有限公司 | Capsule coffee maker with adjustable capsule mounting slot |
| CN103538071B (en) * | 2013-09-29 | 2016-05-25 | 昆山中士设备工业有限公司 | Manipulator applied widely |
| EP3012924B1 (en) * | 2014-10-20 | 2017-12-13 | Wezag GmbH Werkzeugfabrik | Jointing clamp |
| CN204248824U (en) * | 2014-12-03 | 2015-04-08 | 刘兴永 | A kind of valve-spring tool |
| CN205616448U (en) * | 2015-10-28 | 2016-10-05 | 徐州重型机械有限公司 | Perpendicular hydro -cylinder of wheel crane activity landing leg hoist and mount frock that can be general |
| CN205363749U (en) * | 2016-02-16 | 2016-07-06 | 薛静 | Bearing detacher suitable for kinds of bearings |
| CN106272243A (en) * | 2016-08-31 | 2017-01-04 | 中船澄西船舶修造有限公司 | Little space motor bearing disassembles frock |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201208 Address after: 235000 Luyuan Industrial Park, Yuanzhen, Duji District, Huaibei City, Anhui Province (east of 311 National Road) Applicant after: Anhui Zihan Precision Bearing Co.,Ltd. Address before: 233080 West District 4, No. 1717 Longhua Road, Huaihua District, Bengbu, Anhui. Applicant before: BENGBU HUAIPAN PRECISION MACHINERY Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: A bearing pulling and dismantling device for bearing detection Granted publication date: 20201222 Pledgee: China Co. truction Bank Corp Huaibei branch Pledgor: Anhui Zihan Precision Bearing Co.,Ltd. Registration number: Y2024980004836 |