CN115106979B - Long interval Kong Cazhuang bushing device - Google Patents
Long interval Kong Cazhuang bushing device Download PDFInfo
- Publication number
- CN115106979B CN115106979B CN202210737781.7A CN202210737781A CN115106979B CN 115106979 B CN115106979 B CN 115106979B CN 202210737781 A CN202210737781 A CN 202210737781A CN 115106979 B CN115106979 B CN 115106979B
- Authority
- CN
- China
- Prior art keywords
- pull rod
- sleeve
- bushing
- supporting sleeve
- baffle
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 abstract description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 8
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention provides a long-interval Kong Cazhuang lining device which comprises a pull rod, a front supporting sleeve, a baffle, a positioning sleeve and a rear supporting sleeve, wherein the front supporting sleeve, the baffle, the positioning sleeve and the rear supporting sleeve are arranged on the pull rod, the front supporting sleeve and the positioning sleeve are respectively and movably sleeved on the pull rod, the pull rod is axially provided with a plug-in structure for fixedly installing the baffle, the number and the position of the plug-in structure are determined according to the number and the position of installing holes of a diesel engine body lining, the baffle is detachably installed and fixed at one plug-in structure, the rear supporting sleeve is axially and movably arranged on the pull rod, the rear end of the pull rod extends out of the rear supporting sleeve, and the extending end of the pull rod is provided with a transmission mechanism for pulling the pull rod to axially move relative to the rear supporting sleeve. Through using this device, realize the installation of diesel engine mounting hole inner liner high accuracy, solve traditional cold charge mode and use liquid nitrogen to cause the unrecoverable damage that special coating caused on the bush to and solve and use the pressure equipment mode to install the bush and receive the space restriction and unable drawback that uses.
Description
Technical Field
The invention belongs to the technical field of disassembly and assembly of diesel engine bushings, and particularly relates to a long-interval Kong Cazhuang bushing device.
Background
The engine body of the diesel engine is provided with high-precision interval long deep holes like a camshaft mounting hole and a balance shaft mounting hole, the main functions are that the long interval holes are used for supporting and lubricating the movement of key moving parts of the diesel engine by matching with a mounting bushing in the mounting hole, and the mounting of the bushing has a critical influence on the precision of an integral hole system and the lubricating effect of a shaft hole after the mounting, so that the mounting of the bushing needs to be stable and reliable, the precision of the integral hole system of the rear hole of the mounting bushing is ensured again on the basis of not damaging the precision of a bottom hole on the engine body after the mounting, and meanwhile, an effective lubricating effect is established, so that the proper bushing mounting mode is selected to have a critical influence on the working performance of the diesel engine.
The mounting modes of the engine body high-precision interval long deep hole of the diesel engine in production, namely the bushing in the mounting hole, generally have two types: and (5) cold mounting and press mounting. The cold filling mode is to freeze the lining with liquid nitrogen and install the lining into the bottom hole after the lining contracts, but the disadvantage is that the lining will cause irrecoverable damage to the special coating on the surface of the lining after freezing. The bushing is installed in the hole in a press-fit manner, generally, the installation space of the hole is required to be high, the installation space is required to be large, and the bushing cannot be installed through the method for the interval holes with small installation space between the holes.
After the lining is installed on the long deep hole and the installation hole of the engine body high-precision interval of the diesel engine, when the lining is in fault, and when the lining needs to be replaced, as the matching between the lining and the bottom hole is interference fit, the traditional disassembly mode is that the lining is machined by using a boring cutter on a machining center, the method has the defect that the lining is disassembled by using the machining center, the operation is complicated, and meanwhile, the lining installation bottom hole is easy to damage in the machining process.
Disclosure of Invention
In view of the above, the invention aims to provide a long-interval Kong Cazhuang bushing device, which realizes high-precision installation of a high-precision interval long-deep hole bushing, solves the problem that the special coating on the bushing is irrecoverable due to the use of liquid nitrogen in the traditional cold mounting mode, solves the defect that the bushing cannot be used due to the limitation of space in the installation of the bushing in the press mounting mode, and simultaneously is convenient and quick to detach without damaging the installation bottom hole in the detaching process, thereby effectively ensuring the later use precision of a machine body hole system.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the utility model provides a long interval Kong Cazhuang bushing device, includes the pull rod, and from front to back sets up preceding supporting sleeve, baffle, locating sleeve and the back supporting sleeve on the pull rod in order, preceding supporting sleeve and locating sleeve each movable sleeve dress are on the pull rod, and the baffle is the disc structure, the pull rod axial is equipped with the cartridge structure of fixed mounting baffle, cartridge structure quantity and position are fixed according to diesel engine organism bush mounting hole number and position, baffle demountable installation is fixed in one of them cartridge structure department, and back supporting sleeve axial displacement sets up on the pull rod, the back supporting sleeve is extended to the pull rod rear end, the pull rod is equipped with the drive mechanism that pulls the relative back supporting sleeve axial displacement of pull rod at this extension end;
the locating sleeve and the baffle are correspondingly arranged, and a sleeve mounting structure for supporting the bushing is formed between the locating sleeve and the baffle.
Further, the outer circumferential surface of the front support sleeve comprises a bushing hole positioning part and a bushing mounting hole positioning part which are arranged in a close-adjacent mode.
Further, the middle positions of the bushing hole positioning parts and the bushing mounting hole positioning parts are respectively provided with annular grooves.
Furthermore, the baffle is vertically downwards provided with an open slot, the plug-in mounting structure is two limit slots symmetrically arranged on the left side and the right side of the outer circumferential surface of the pull rod, the baffle is plugged on the pull rod through the open slot, and the limit slots and the open slot are matched to lock the axial position of the baffle.
Further, the dress cover structure includes locating sleeve outer circumference from front end to rear end in order and the protruding tang, first location shaft portion and the first shaft shoulder that the next-door neighbour set up to and baffle outer circumference from front end to rear end next-door neighbour set up second shaft portion and second location shaft portion, the second location shaft portion is equipped with the concave tang that matches with protruding tang, protruding tang inserts in to concave tang, first location shaft portion and second location shaft portion suit bush, first shaft shoulder and second shaft shoulder diameter are less than the bush external diameter respectively.
Further, the transmission mechanism comprises external threads arranged at the extending end of the pull rod and a thrust nut matched with the extending end.
Further, one end of the thrust nut facing the rear supporting sleeve is connected with a bearing frame through a thrust bearing, the outer end face of the bearing frame is opposite to the rear supporting sleeve, a limiting convex ring is arranged at one end, close to the thrust nut, of the outer circumferential face of the bearing frame, a compression flange is movably sleeved on the outer circumferential face of the bearing frame and fixedly connected with the thrust nut through a screw, a groove corresponding to the limiting convex ring is formed in the end face of the compression flange facing the thrust bearing, and the limiting convex ring is inserted into the groove.
Further, the thrust nut is provided with a handle.
Further, a flange part is arranged at the middle part or the rear end position of the rear supporting sleeve.
Further, a key is fixed on the outer circumference of the pull rod at a position close to the rear end of the pull rod, a guide key groove is axially formed in the inner surface of the rear support sleeve, and the key is inserted into the guide key groove.
The long-spacing Kong Cazhuang bushing device of the present invention has the following advantages over the prior art:
(1) In the process of installing the bushing in the engine body high-precision interval long deep hole of the diesel engine, the device is used for realizing the high-precision installation of the bushing in the engine body of the diesel engine, solving the problem that the traditional cold mounting mode uses liquid nitrogen to cause unrecoverable damage caused by special coating on the bushing and solving the defect that the installation bushing in the press mounting mode is limited by space and cannot be used.
(2) In the bushing disassembly process, the long-interval Kong Cazhuang bushing device is used, so that damage to the mounting bottom hole is effectively avoided, and the later-stage use precision of the machine body hole system is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of a long-spacing Kong Cazhuang bushing apparatus according to the present embodiment;
FIG. 2 is a schematic view of the front supporting sleeve in the present embodiment;
FIG. 3 is a front view of the baffle plate in this embodiment;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 shows the structure of the upper limit groove of the pull rod in this embodiment;
FIG. 6 is a schematic view of the structure of the positioning sleeve in the present embodiment;
FIG. 7 is a schematic diagram of a transmission mechanism in the present embodiment;
FIG. 8 is a state diagram of the present invention;
reference numerals illustrate:
1-a pull rod; 101-a limit groove; 2-a front support sleeve; 21-a bushing hole location; 22-a bushing mounting hole positioning portion; 23-an annular groove; 3-baffle plates; 31-a second positioning shaft portion; 32-a second axial shoulder; 33-female seam allowance; 34-open slot; 4, a positioning sleeve; 41-a first positioning shaft portion; 42-a first shaft shoulder; 43-male tang; 5-a rear supporting sleeve; 51-flange portion; 6-a bolt; 7-a diesel engine body; an 8-bond; 11-a thrust nut; 12-bearing frames; 121-a limiting convex ring; 13-thrust bearing; 15-handle; 16-bushing.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1, a long interval Kong Cazhuang bushing device comprises a pull rod 1, wherein the pull rod 1 is of a round rod structure and comprises a polish rod part and a threaded rod part which is arranged at the rear end of the polish rod part in close proximity, a front supporting sleeve 2, a baffle 3, a positioning sleeve 4 and a rear supporting sleeve 5 are sequentially arranged on the polish rod part from front to back, the front supporting sleeve 2 and the positioning sleeve 4 are respectively movably sleeved on the pull rod 1, namely, the front supporting sleeve 2 and the positioning sleeve 4 can axially move on the pull rod 1, the baffle 3 is of a disc structure which is concentrically arranged with the pull rod, the pull rod 1 is axially provided with a plug-in structure for fixedly installing the baffle 3, the number and the position of the plug-in structure are determined according to the number and the position of bushing installation holes of a diesel engine body 7, the baffle 3 is detachably installed and fixed at one of the plug-in structure, the baffle 3 and the positioning sleeve 4 are correspondingly arranged, and a sleeve structure for supporting a bushing is formed between the positioning sleeve 4 and the baffle 3. The rear support sleeve 5 is axially movably arranged on the pull rod 1, the outer diameter of the rear support sleeve 5 is correspondingly arranged with the end face positioning hole of the diesel engine body, the middle part or the rear end position of the rear support sleeve 5 is provided with a flange part 51 for fixing the end face of the diesel engine body 7, the rear end of the pull rod 1, namely, the threaded rod part extends out of the rear support sleeve 5, the threaded rod part is the extending end of the pull rod, and the threaded rod part is provided with a transmission mechanism for pulling the pull rod 1 to axially move relative to the rear support sleeve 5.
In this embodiment, the front support sleeve 2 is used for positioning with the mounting hole of the diesel engine body 7 to which the bush is not mounted or the mounting hole of the mounted bush, so that the outer circumferential surface of the front support sleeve 2 includes a bush hole positioning portion 21 and a bush mounting hole positioning portion 22 which are sequentially provided from front to rear, as shown in fig. 2. When the bush 16 is attached to the attachment hole, the bush hole positioning portion 21 is fitted into the attached bush 16, and positions the front support bush 2 through the bush hole. If the mounting hole is not provided with the bush 16, the bush mounting hole positioning portion 22 is inserted into the mounting hole, and the front support sleeve 2 is positioned through the mounting hole. The middle positions of the bushing hole positioning parts 21 and the bushing mounting hole positioning parts 22 are respectively provided with an annular groove 23. The annular groove 23 reduces the contact area between the front support sleeve 2 and the corresponding hole, and improves the positioning accuracy.
As shown in fig. 3 and 4, the baffle 3 is vertically and downwardly provided with an open slot 34. The plug-in structure is two limit grooves 101 symmetrically formed on the left side and the right side of the outer circumferential surface of the pull rod 1, as shown in fig. 5. The baffle 3 is inserted into the position of the pull rod 1 provided with the limit grooves 101 through the open grooves 34, at the moment, the two side walls of the open grooves 34 are inserted into the two limit grooves 101, and the limit grooves 101 and the side walls of the open grooves 34 are matched to lock the axial position of the baffle 3.
The structure of the positioning sleeve 4 is shown in fig. 6, a convex spigot 43, a first positioning shaft portion 41 and a first shaft shoulder portion 42 are sequentially and closely arranged on the outer circumferential surface of the positioning sleeve 4 from the front end to the rear end, the structure of the baffle 3 is shown in fig. 4, a second shaft shoulder portion 32 and a second positioning shaft portion 31 are closely arranged on the outer circumferential surface of the baffle 3 from the front end to the rear end of the baffle 3, a concave spigot 33 matched with the convex spigot 43 is arranged on the second positioning shaft portion 31, the convex spigot 43 is inserted into the concave spigot 33, at this time, the positioning sleeve 4 and the baffle 3 are assembled in a matched and inserted mode to form a sleeve mounting structure for sleeving a sleeve, at this time, the opposite end faces of the second positioning shaft portion 31 of the first positioning shaft portion 41 are in contact, the first positioning shaft portion 41 and the second positioning shaft portion 31 support the sleeve together, and the diameters of the first shaft shoulder portion 42 and the second shaft shoulder portion 32 are respectively smaller than the outer diameter of the sleeve.
As shown in fig. 1, the threaded rod part of the pull rod is provided with a thrust nut 11, the thrust nut and the threaded rod part are matched to form a transmission mechanism for pulling the pull rod 1, and the thrust nut 11 is provided with a handle 15. The thrust nut 11 front end is connected with the bearing bracket 12 through thrust bearing 13 towards the one end of back supporting sleeve 5 promptly, the bearing bracket 12 is just right with back supporting sleeve 5, and the one end that the outer periphery of bearing bracket 12 is close to thrust nut 11 is equipped with spacing bulge loop 121, and as shown in fig. 7, the movable cover of bearing bracket 12 outer periphery is equipped with the compression flange 10, and compression flange 10 passes through screw and thrust nut 11 to be connected fixedly, the recess that corresponds with spacing bulge loop is seted up towards the terminal surface of thrust nut 11 to compression flange 10, and spacing bulge loop 121 cartridge is in this recess, and compression flange 10 axial position is fixed through compression flange 10 this moment. When the bushing is installed, the bearing frame 12 is abutted with the rear supporting sleeve 5, the thrust nut 11 is rotated to axially pull the pull rod 1, the bearing frame 12 is arranged to prevent the thrust nut 11 from directly contacting with the rear supporting sleeve 5, and the thrust nut 11 is convenient to rotate.
In this embodiment, the outer circumference of the pull rod 1 is fixed with a key 8 near the rear end thereof, the inner surface of the rear support sleeve 5 is axially provided with a guide key slot, the key 8 is inserted into the guide key slot, and the guide key slot is matched with the key 8 to prevent the pull rod 1 from rotating together with the thrust nut 11 when being stressed.
In the present invention, as shown in fig. 8, when the bush is installed, the center of the pull rod 1 is fixed by the front support sleeve 2 and the rear support sleeve 5, the rear support sleeve 5 is fixed on the diesel engine housing 7 by using the bolt 6, the bush 16 is fixed by the baffle 3 and the positioning sleeve 4, at this time, the bush 16 is supported by the first positioning shaft portion 41 and the second positioning shaft portion 31, and is axially positioned by the second shaft shoulder 32 of the baffle 3 and the first shaft shoulder 42 of the positioning sleeve 4, the rotating thrust nut 11 is driven by the handle 15, and because the thrust nut 11 abuts against the rear support sleeve 5, the pull rod 1 generates an axial pulling force, the pull rod 1 is pulled axially towards the outside of the diesel engine body, the baffle 3 moves synchronously with the pull rod 1, and the bush 16 and the pull rod move synchronously under the action of the second shaft shoulder 32, thereby pulling the bush 16 supported by the baffle 3 and the positioning sleeve 4 axially into or out of the installation hole.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
1. A long-spacing Kong Cazhuang bushing apparatus, characterized by: the novel diesel engine body lining structure comprises a pull rod (1), and a front supporting sleeve (2), a baffle plate (3), a positioning sleeve (4) and a rear supporting sleeve (5) which are sequentially arranged on the pull rod (1) from front to back, wherein the front supporting sleeve (2) and the positioning sleeve (4) are respectively movably sleeved on the pull rod (1), the baffle plate (3) is of a disc structure, the pull rod (1) is axially provided with a plug-in structure for fixedly installing the baffle plate (3), the number and the position of the plug-in structure are determined according to the number and the position of lining mounting holes of the diesel engine body, the baffle plate (3) is detachably installed and fixed at one plug-in structure, the rear supporting sleeve (5) is axially movably arranged on the pull rod (1), the rear end of the pull rod (1) extends out of the rear supporting sleeve (5), and the extending end of the pull rod (1) is provided with a transmission mechanism for pulling the pull rod (1) to axially move relative to the rear supporting sleeve (5).
The positioning sleeve (4) and the baffle (3) are correspondingly arranged, and a sleeve mounting structure for supporting the bushing is formed between the positioning sleeve (4) and the baffle (3);
the baffle (3) is vertically and downwards provided with an open slot (34), the inserting structure is two limit slots (101) symmetrically formed on the left side and the right side of the outer circumferential surface of the pull rod (1), the baffle (3) is inserted on the pull rod (1) through the open slot (34), and the limit slots (101) and the open slot (34) are matched to lock the axial position of the baffle (3);
the mounting structure comprises a convex spigot (43), a first positioning shaft part (41) and a first shaft shoulder part (42) which are sequentially and closely arranged on the outer circumferential surface of a positioning sleeve (4) from the front end to the rear end, and a second shaft shoulder part (32) and a second positioning shaft part (31) which are closely arranged on the outer circumferential surface of a baffle (3) from the front end to the rear end, wherein the second positioning shaft part (31) is provided with a concave spigot (33) matched with the convex spigot (43), the convex spigot (43) is inserted into the concave spigot (33), the first positioning shaft part (41) and the second positioning shaft part (31) are used for mounting a bushing, and the diameters of the first shaft shoulder part (42) and the second shaft shoulder part (32) are respectively smaller than the outer diameter of the bushing;
the transmission mechanism comprises external threads arranged at the extending end of the pull rod (1) and a thrust nut (11) matched with the extending end, and the thrust nut (11) is arranged opposite to the rear supporting sleeve (5);
the thrust nut (11) is connected with a bearing frame (12) towards one end of the rear supporting sleeve (5) through a thrust bearing (13), the bearing frame (12) is opposite to the rear supporting sleeve (5), a limiting convex ring (121) is arranged at one end, close to the thrust nut (11), of the outer circumferential surface of the bearing frame (12), a compression flange (10) is movably sleeved on the outer circumferential surface of the bearing frame (12), the compression flange (10) is fixedly connected with the thrust nut (11) through a screw, a groove corresponding to the limiting convex ring (121) is formed in the end face, facing the thrust nut (11), of the compression flange (10), and the limiting convex ring (121) is inserted into the groove.
2. A long-spacing Kong Cazhuang bushing device according to claim 1, further comprising: the outer circumferential surface of the front support sleeve (2) comprises a bushing hole positioning part (21) and a bushing mounting hole positioning part (22) which are arranged in a close-adjacent mode.
3. A long-spacing Kong Cazhuang bushing apparatus according to claim 2, further comprising: the middle positions of the bushing hole positioning parts (21) and the bushing mounting hole positioning parts (22) are respectively provided with an annular groove (23).
4. A long-spacing Kong Cazhuang bushing device according to claim 1, further comprising: the thrust nut (11) is provided with a handle (15).
5. A long-spacing Kong Cazhuang bushing device according to claim 1, further comprising: the middle part or the rear end position of the rear supporting sleeve (5) is provided with a flange part (51).
6. A long-spacing Kong Cazhuang bushing device according to claim 1, further comprising: the outer circumference of the pull rod (1) is fixed with a key (8) near the rear end position of the pull rod, a guide key groove is axially formed in the inner surface of the rear support sleeve (5), and the key (8) is inserted into the guide key groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210737781.7A CN115106979B (en) | 2022-06-27 | 2022-06-27 | Long interval Kong Cazhuang bushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210737781.7A CN115106979B (en) | 2022-06-27 | 2022-06-27 | Long interval Kong Cazhuang bushing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115106979A CN115106979A (en) | 2022-09-27 |
| CN115106979B true CN115106979B (en) | 2024-04-05 |
Family
ID=83329903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210737781.7A Active CN115106979B (en) | 2022-06-27 | 2022-06-27 | Long interval Kong Cazhuang bushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115106979B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4633562A (en) * | 1984-12-31 | 1987-01-06 | Ulsh John R | Arrowhead extractor |
| FR2596314A1 (en) * | 1986-03-25 | 1987-10-02 | Ruault Francois | Pincer for disconnecting plastic tubes from instant connections and mounting semi-rigid tubes in supply connections |
| CN108000433A (en) * | 2017-12-08 | 2018-05-08 | 西安飞机工业（集团）有限责任公司 | A kind of coaxial aperture bushing rapid installation device and installation method |
| CN109333041A (en) * | 2018-12-05 | 2019-02-15 | 湖南杰希重工有限公司 | A kind of list thrust dual-positioning elasticity swelling telescoping mechanism |
| FR3074708A3 (en) * | 2017-12-26 | 2019-06-14 | Julio Sampedro Martinez | TOOL FOR EXTRACTING AND INSERTING BEARINGS, BUSHINGS AND THE LIKE |
| CN112476324A (en) * | 2020-10-30 | 2021-03-12 | 江西昌河航空工业有限公司 | Bush extracting tool without supporting structure |
| CN113600849A (en) * | 2021-09-22 | 2021-11-05 | 山西柴油机工业有限责任公司 | Multi-size combined machining tool for cylinder holes of crankcase body of diesel engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7210361B2 (en) * | 2005-09-26 | 2007-05-01 | Hsin Fa Kang | Device for measuring the tightness of a transmission belt |
-
2022
- 2022-06-27 CN CN202210737781.7A patent/CN115106979B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4633562A (en) * | 1984-12-31 | 1987-01-06 | Ulsh John R | Arrowhead extractor |
| FR2596314A1 (en) * | 1986-03-25 | 1987-10-02 | Ruault Francois | Pincer for disconnecting plastic tubes from instant connections and mounting semi-rigid tubes in supply connections |
| CN108000433A (en) * | 2017-12-08 | 2018-05-08 | 西安飞机工业（集团）有限责任公司 | A kind of coaxial aperture bushing rapid installation device and installation method |
| FR3074708A3 (en) * | 2017-12-26 | 2019-06-14 | Julio Sampedro Martinez | TOOL FOR EXTRACTING AND INSERTING BEARINGS, BUSHINGS AND THE LIKE |
| CN109333041A (en) * | 2018-12-05 | 2019-02-15 | 湖南杰希重工有限公司 | A kind of list thrust dual-positioning elasticity swelling telescoping mechanism |
| CN112476324A (en) * | 2020-10-30 | 2021-03-12 | 江西昌河航空工业有限公司 | Bush extracting tool without supporting structure |
| CN113600849A (en) * | 2021-09-22 | 2021-11-05 | 山西柴油机工业有限责任公司 | Multi-size combined machining tool for cylinder holes of crankcase body of diesel engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115106979A (en) | 2022-09-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115106979B (en) | Long interval Kong Cazhuang bushing device | |
| JPH10174349A (en) | Guide type assembly and assembling method of motor | |
| CN110170692B (en) | Oil cylinder mechanism, milling head automatic tension and back-off assembly and its installation aligning method | |
| CN113510657B (en) | Bushing assembling tool and assembling method thereof | |
| CN211135546U (en) | Machine tool | |
| CN213879528U (en) | Novel electric push rod | |
| CN110270832B (en) | Hinge assembly mechanism | |
| CN210414330U (en) | Locking part convenient for replacing screwdriver head | |
| CN221257106U (en) | Intelligent tensioning system plunger pump | |
| CN217130113U (en) | Bearing mounting structure and automation device | |
| CN213380157U (en) | Ring seat dismounting tool | |
| CN221838406U (en) | Valve pocket that wearability is good | |
| CN212634919U (en) | Main shaft bearing press-fitting mechanism of manual front-drive car transmission gear shifting mechanism assembly | |
| CN220260421U (en) | Engine cylinder end face polishing device | |
| CN218836108U (en) | Static pressure sliding sleeve feeding rear-mounted electric spindle | |
| CN217741459U (en) | Dislocation automatic elastic compensation type motor | |
| CN218913772U (en) | Butterfly valve disk seat location bearing structure | |
| CN218518270U (en) | Main shaft bearing lubricating structure and main shaft | |
| CN220030082U (en) | Loading and unloading structure of hydraulic motor | |
| CN221442754U (en) | Split pressing plate of inclined shaft type plunger pump | |
| CN218750123U (en) | Axle head structure of half-axle sleeve of automobile or tractor | |
| CN221539591U (en) | Transmission shaft universal joint assembly jig | |
| CN219881814U (en) | Precision spring clamping mechanism for automobile parts | |
| CN211053036U (en) | Support bearing equipment in O-shaped ring replacing system at guide sleeve of hydraulic machine | |
| CN215293285U (en) | Oiling bracket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |