CN219605766U - Novel quick-assembling and quick-disassembling structure for shaft connection - Google Patents
Novel quick-assembling and quick-disassembling structure for shaft connection Download PDFInfo
- Publication number
- CN219605766U CN219605766U CN202320816154.2U CN202320816154U CN219605766U CN 219605766 U CN219605766 U CN 219605766U CN 202320816154 U CN202320816154 U CN 202320816154U CN 219605766 U CN219605766 U CN 219605766U
- Authority
- CN
- China
- Prior art keywords
- quick
- hole
- assembly
- sheath
- mounting
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Pivots And Pivotal Connections (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The utility model discloses a novel shaft connection quick-assembly and quick-disassembly structure, which is applied to the installation of a first connecting main body and a second connecting main body, wherein the first connecting main body is provided with an installation cavity, the second connecting main body is provided with an installation hole which is arranged corresponding to the installation cavity, the novel shaft connection quick-assembly and quick-disassembly structure comprises a connecting sheath shaft which is installed in clearance fit with the installation cavity, and both ends of the connecting sheath shaft are provided with an external conical surface and a threaded hole; an expansion pin sleeve provided with a groove and a through hole along the axial direction, wherein the mounting surface at one end of the expansion pin sleeve is matched with the outer conical surface; the fastener sequentially penetrates through the hole and the mounting hole and then is in threaded fit with the threaded hole, the expansion sheath is in clearance fit with the mounting cavity and the mounting hole in a natural state, in the expansion state, when the fastener penetrates through the hole and then is locked and mounted with the threaded hole, the expansion sheath is in interference fit with the mounting cavity, the expansion sheath is in clearance fit with the mounting hole, the quick dismounting of the hinge structure is realized, and the problems of time consuming, labor consuming and labor consuming in dismounting of the transmission pin shaft structure are solved.
Description
Technical Field
The utility model relates to a structural connecting member, in particular to a novel shaft connecting quick-assembly and quick-disassembly structure.
Background
The hinge structure of the traditional mechanical equipment almost adopts a simple and applicable pin shaft and shaft sleeve structure. In order to ensure the transmission precision of the structure, reduce the accumulated clearance, improve the service life of the matched part, adopt small clearance fit between the pin shaft and the shaft sleeve, and adopt transition fit or even small interference fit between the pin shaft and the pin hole which does not rotate relatively. In such a structure, the pin shaft is difficult to disassemble or assemble, and a large hammer is required to be used for forceful knocking or a special hydraulic jack is required to be used. The disassembly and assembly are time-consuming and labor-consuming, and cannot meet the actual use conditions of mechanical equipment which needs to be disassembled and assembled frequently.
In the prior art, the problem of difficult disassembly and assembly is solved by increasing the fit clearance of the pin shafts, but the accumulated clearance of structural transmission is overlarge, so that the action error of the mechanical arm with more hinge structures is overlarge, the action precision of equipment is seriously influenced, the abrasion and deformation of the transmission structure are serious, the structural strength is influenced, the action error is further aggravated, and the travel is cycle. Affecting the operational performance, safety and reliability of the device.
Disclosure of Invention
The utility model aims to solve the problems, and provides a novel shaft connection quick-assembly and quick-disassembly structure which can realize quick assembly and disassembly of a hinge structure and solve the problem of difficult assembly and disassembly of a transmission pin shaft structure on the premise of ensuring the structural strength, transmission precision, performance and safety of the hinge structure.
The technical scheme adopted for overcoming the technical problems is as follows: the utility model provides a novel shaft connection quick-assembly and quick-disassembly structure, which is applied to hinged installation between a first connection main body and a second connection main body, wherein the second connection main body is provided with a pair of opposite lugs, a pair of lugs are provided with coaxial mounting holes, the first connection main body is provided with a mounting part positioned between the two lugs, and a mounting cavity is arranged on the mounting part, and the novel shaft connection quick-assembly and quick-disassembly structure at least comprises: the connecting sheath shaft is arranged in the mounting cavity and in clearance fit with the mounting cavity, threaded holes are formed in the two ends of the connecting sheath shaft, and an outer conical surface is arranged at the position, close to the end, of the two ends of the connecting sheath shaft; the expansion sheath is provided with a through hole penetrating axially, one end of the expansion sheath is provided with a mounting surface matched with the outer conical surface, and the expansion sheath is provided with a plurality of grooves extending radially to fit the mounting surface along the circumferential direction; the fastener sequentially penetrates through the hole and the mounting hole and then is in threaded fit with the threaded hole; the expansion sheath is in clearance fit with the mounting cavity and the mounting hole in a natural state, and in an expansion state, when the fastener penetrates through the hole and is locked and mounted with the threaded hole, the expansion sheath is in interference fit with the mounting cavity, and the expansion sheath is in clearance fit with the mounting hole.
Only the fastening piece is required to be locked and disassembled, and the hinged quick assembly and quick disassembly are realized through interference and clearance fit of the expansion sheath sleeve and the mounting cavity and the mounting hole.
Further, the expansion sheath is a cylinder provided with a boss, the diameter of the boss is larger than that of the mounting hole of the second connecting main body, and the mounting surface is one end far away from the boss.
The expansion sheath is protruded out of the second connecting main body, so that the expansion sheath can be conveniently removed and installed.
Further, the fastener is a bolt provided with a head and a screw.
Further, the novel shaft connection quick-assembly and quick-disassembly structure further comprises a gasket, wherein the gasket is sleeved on a screw rod of the bolt and is in contact with the end part of the expansion sheath.
The bolt is prevented from loosening by the washer.
Further, the drawing hammer further comprises a hammering end and a spanner end which are respectively arranged at two ends.
Further, the spanner end of the drawing hammer is provided with an inner hexagonal spanner and a socket spanner simultaneously.
Furthermore, the drawing hammer is also provided with a plurality of stressing rod mounting grooves.
Further, the hammering end of the drawing hammer is a cylinder corresponding to the through hole, and the top end of the cylinder is a convex round head.
And the quick assembly and the quick disassembly can be realized only by matching with a drawing hammer without other tools.
The utility model has the following technical advantages or beneficial effects:
1. only the fastening piece is required to be locked and disassembled, and the expansion sheath sleeve is in an expansion or natural state at the mounting cavity part through the outer conical surface of the connecting sheath shaft, so that the hinged quick assembly and quick disassembly are realized.
2. In a natural state, the expansion sheath is in clearance fit with the connecting main body, so that the quick assembly and disassembly of the hinge structure are realized, and the problems of time consumption, labor consumption and labor consumption in assembly and disassembly of the transmission pin shaft structure are solved;
3. the bidirectional locking scheme is adopted, so that the reliability and the safety of the movable assembly direct and quick assembly and quick disassembly structure are improved;
4. the disassembly and assembly can be realized by only drawing the hammer without other tools, so that the cost of auxiliary tools is saved;
5. the connecting sheath shaft is in intermittent fit with the mounting cavity, so that the movable structural member can freely run under the working condition, the service life of the structural member is prolonged by 1 time, and the processing cost is reduced by 1 time;
6. the modularized assembly and disassembly efficiency under the same working condition is improved by 3-5 times. The construction equipment is disassembled on site, transported in blocks and assembled quickly, so that the problem of mechanical construction in mountain construction sites is solved, and the construction equipment has high social and practical values.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of a novel shaft connection quick-assembly and quick-disassembly structure according to the present utility model;
FIG. 2 is a schematic view of a mechanical arm used in an embodiment of a novel shaft connection quick-assembly and quick-disassembly structure according to the present utility model;
FIG. 3 is a schematic view of a quick assembly embodiment of a novel shaft connection quick assembly and quick disassembly structure according to the present utility model;
FIG. 4 is a schematic view of a quick-release embodiment of a novel shaft-connection quick-release structure according to the present utility model;
FIG. 5 is a schematic view illustrating an embodiment of reserving a connecting pin shaft to a first connecting body for a novel shaft connecting quick-assembly and quick-disassembly structure according to the present utility model;
fig. 6 is a schematic structural view of an embodiment of the drawing hammer of the present utility model;
FIG. 7 is a schematic cross-sectional view of an embodiment of the hammering end of the drawing hammer of the present utility model;
FIG. 8 is a schematic cross-sectional view of an embodiment of the wrench end of the draw hammer of the present utility model;
in the figure, a 1-drawing hammer; 11-hammering end; 111-convex rounded heads; 12-a spanner end; 121-an inner hexagonal wrench; 122-socket wrench; 123-a stress application rod mounting groove; 2-a fastener; 3-washers; 4-expanding pin sleeves; 41-via holes; 42-boss; 43-groove; 5-connecting pin shafts; 51-a threaded hole; 52-an outer conical surface; 6-a first connecting body; 61-a mounting cavity; 7-a second connecting body; 71-mounting holes; 72-supporting lugs; 8-a stress application rod; 9-stretching the arm; 10-forearm.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and to specific examples, which are given by way of illustration only and are not intended to limit the scope of the utility model, in order to facilitate a better understanding of the utility model to those skilled in the art.
Fig. 1 is a schematic diagram of a novel shaft connection quick-assembly and quick-disassembly structure of the present utility model, which is applied to the hinged installation of a first connecting main body 6 and a second connecting main body 7, and takes a mechanical arm shown in fig. 2 as an example, the first connecting main body is a small arm 10, and the second connecting main body 7 is a telescopic arm 9. As shown in fig. 3, the second connecting body 7 is provided with a pair of lugs 72 arranged opposite to each other, a coaxial mounting hole 71 is provided in the pair of lugs 72, and the first connecting body 6 is provided with a mounting portion between the two lugs 72, and a mounting cavity 61 is provided in the mounting portion.
As shown in fig. 2, the connection pin 5 for rotating the arm 10 is installed in the installation cavity 61, and the second connection body 7 is provided with an installation hole 71 provided corresponding to the installation cavity 61 of the first connection body, as shown in fig. 3. The novel shaft connection quick-assembly and quick-disassembly device comprises a connecting sheath shaft 5, an expansion sheath 4, a fastener 2 and a gasket 3.
The connecting sheath shaft 5 is installed in the installation cavity 61 and in clearance fit with the inner wall of the installation cavity 61, the cylindrical position of the connecting sheath shaft 5, which is close to the end, is an outer conical surface 52, and threaded holes 51 are respectively formed in the two ends.
The inflation sheath 4 is provided with a longitudinally penetrating through-hole 41 corresponding to the threaded hole 51. The expansion sheath 4 is a cylinder provided with a boss 42, the diameter of the boss 42 is larger than that of the mounting hole of the second connecting main body 7, one end of the expansion sheath 4 away from the boss 42 is provided with a mounting surface matched with the conical surface size of the outer conical surface 52 of the connecting sheath shaft 5, and the expansion sheath 4 is provided with a plurality of grooves 43 extending along the radial direction and adapting to the mounting surface along the circumferential direction. The fastener 2 is threaded into the threaded bore 51 after passing through the bore 41 and the mounting bore 71 in sequence. In one embodiment of the utility model, the fastener 2 is a bolt provided with a head and a shank. Washer 3 is fitted over the shank of the bolt in contact with the end of boss 42 of expansion sheath 4.
As shown in fig. 3, when the first connecting body 6 and the second connecting body 7 are assembled quickly, the connecting pin 5 is first quickly installed into the installation cavity 61 of the first connecting body 6 by using the drawing hammer 1, wherein the connecting pin 5 is intermittently matched with the installation cavity 61, so that the quick assembly of the connecting pin 5 and the first connecting body 6 is realized. Then, the mounting holes 71 are roughly aligned with the second connecting main body 7, and as the two ends of the connecting pin shaft 5 are the outer conical surfaces 52, the positions of the mounting holes 71 are roughly aligned with the ends of the outer conical surfaces 52, so that the process saves double assembly time compared with the installation of a common tool, and the accurate adjustment of the relative positions is realized through the fastening of the fastening piece 2. The through hole of the expansion pin bush 4 is installed by using the drawing hammer 1, the installation surface of the expansion pin bush 4 penetrates through the installation hole 71, is sleeved to the outer conical surface of the end part of the connecting sheath shaft 5, and then the washer 3 and the fastener 2 are assembled in sequence. In the displacement direction of the locking of the fastener 2, the connecting sheath shaft 5 and the expansion pin sleeve 4 are relatively extruded, and the expansion pin sleeve 4 is provided with a plurality of grooves 43, and the radial dimension of the grooves 43 is smaller than or equal to the dimension of the expansion pin sleeve 4 mounted in the mounting cavity. The locking bolt is screwed, namely the fixing piece 2 is screwed, so that the expansion pin sleeve 4 axially displaces, the mounting surface expands, interference fit is realized between the expansion pin sleeve and the mounting cavity of the first connecting main body 6, and the expansion pin sleeve and the first connecting main body 6 rotate around the second connecting main body 7 due to the fact that the expansion pin sleeve and the mounting cavity of the second connecting main body 7 are in clearance fit with each other, so that reliable and safe hinging is realized.
As shown in fig. 4, when the first connecting body 6 and the second connecting body 7 are quickly disassembled, the fastener 2 is removed through the drawing hammer 1 in sequence, namely, the locking bolt is unscrewed, so that the expansion pin sleeve 4 is displaced outwards along the axial direction, the contact area with the outer conical surface is reduced, the expansion pin sleeve 4 is restored to a natural state due to the groove of the expansion pin sleeve 4, the expansion pin sleeve 4 is in clearance fit with the first connecting body 6 and the second connecting body 7, the gasket 2 is removed in sequence, and the expansion pin sleeve 4 is removed by using the drawing hammer 1, so that quick disassembly is realized.
As shown in fig. 5, after the quick disassembly is completed, the first connecting main body 6 and the second connecting main body 7 can be directly separated to complete the disassembly, and the connecting pin shaft 5 is reserved in the first connecting main body 6, so that the disassembly is not needed, other structures are directly assembled during the next installation, and the time cost is saved.
Although only the assembly and disassembly of the first connecting body 6 and the second connecting body 7 on one side is described in the specification, the connection between the first connecting body 6 and the second connecting body 7 is made by bidirectional fastening, so that the connection is more reliable and safer.
In one embodiment of the present utility model, as shown in fig. 6, both ends of the drawing hammer 1 are provided with hammering ends 11 and wrench ends 12, respectively. As shown in fig. 7 and 8, application diagrams of the hammering end 11 and the wrench end 12 are shown, respectively. The wrench end 12 includes socket wrench 122 and socket wrench 121 functions. The locking bolt can be used for locking and dismantling the locking bolt 2, the hammering end 11 is a cylinder corresponding to the through hole, the top end of the cylinder is a convex round head and is used for installing the connecting pin shaft 5 and installing and dismantling the expansion pin sleeve 4. The main body of the drawing hammer 1 is further provided with a plurality of stressing rod mounting grooves 123, and the stressing rod 8 is mounted in the stressing rod mounting grooves 123, so that the mounting is more firm by operating the stressing rod 8.
The novel shaft connection quick-assembly and quick-disassembly structure provided by the utility model can realize hinged quick assembly and quick disassembly only by locking and disassembling the fastener, and solves the problems of time and labor waste in assembling and disassembling the transmission pin shaft structure.
The above description of the embodiments is only for aiding in the understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that the present utility model may be modified and practiced without departing from the spirit of the utility model, and that these modifications and adaptations are intended to be within the scope of the appended claims.
Claims (8)
1. The utility model provides a novel quick-assembling and quick-disassembling structure of hub connection, is applied to the articulated installation between first connecting body and the second connecting body, and the second connecting body is provided with the journal stirrup of a pair of relative setting, is provided with coaxial mounting hole on a pair of journal stirrup, and first connecting body is provided with the installation department that is located between two journal stirrups, is provided with the installation cavity on the installation department, a serial communication port, novel quick-assembling and quick-disassembling structure of hub connection includes at least:
the connecting sheath shaft is arranged in the mounting cavity and in clearance fit with the mounting cavity, threaded holes are formed in the two ends of the connecting sheath shaft, and an outer conical surface is arranged at the position, close to the end, of the two ends of the connecting sheath shaft;
the expansion sheath is provided with a through hole penetrating axially, one end of the expansion sheath is provided with a mounting surface matched with the outer conical surface, and the expansion sheath is provided with a plurality of grooves extending along the radial direction and with the length matched with the mounting surface along the circumferential direction;
the fastener sequentially penetrates through the hole and the mounting hole and then is in threaded fit with the threaded hole;
the expansion sheath is in clearance fit with the mounting cavity and the mounting hole in a natural state, and in an expansion state, when the fastener penetrates through the hole and is locked and mounted with the threaded hole, the expansion sheath is in interference fit with the mounting cavity, and the expansion sheath is in clearance fit with the mounting hole.
2. The novel shaft connection quick-assembly and quick-disassembly structure according to claim 1, wherein: the expansion sheath is a cylinder provided with a boss, the boss is one end of the expansion sheath far away from the installation surface, and the diameter of the boss is larger than that of the installation hole of the second connecting main body.
3. The novel shaft connection quick-assembly and quick-disassembly structure according to claim 1, wherein: the fastener is a bolt provided with a head and a screw.
4. The novel shaft connection quick-assembly and quick-disassembly structure according to claim 3, wherein: the novel shaft connection quick-assembly and quick-disassembly structure further comprises a gasket, wherein the gasket is sleeved on a screw rod of the bolt and is in contact with the end part of the expansion sheath.
5. The novel shaft connection quick-assembly and quick-disassembly structure according to claim 1, wherein: the novel shaft connection quick-assembly and quick-disassembly structure further comprises a drawing hammer with hammering ends and wrench ends respectively arranged at two ends.
6. The novel shaft connection quick-assembly and quick-disassembly structure according to claim 5, wherein: and the spanner end of the drawing hammer is provided with an inner hexagonal spanner and a socket spanner simultaneously.
7. The novel shaft connection quick-assembly and quick-disassembly structure according to claim 5, wherein: the drawing hammer is also provided with a plurality of stressing rod mounting grooves.
8. The novel shaft connection quick-assembly and quick-disassembly structure according to claim 5, wherein: the hammering end of the drawing hammer is a cylinder corresponding to the through hole, and the top end of the cylinder is a convex round head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320816154.2U CN219605766U (en) | 2023-04-13 | 2023-04-13 | Novel quick-assembling and quick-disassembling structure for shaft connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320816154.2U CN219605766U (en) | 2023-04-13 | 2023-04-13 | Novel quick-assembling and quick-disassembling structure for shaft connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219605766U true CN219605766U (en) | 2023-08-29 |
Family
ID=87753019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320816154.2U Active CN219605766U (en) | 2023-04-13 | 2023-04-13 | Novel quick-assembling and quick-disassembling structure for shaft connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219605766U (en) |
-
2023
- 2023-04-13 CN CN202320816154.2U patent/CN219605766U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219605766U (en) | Novel quick-assembling and quick-disassembling structure for shaft connection | |
| CN200955358Y (en) | Pile-foundation drill rod quick-jointing joint | |
| CN102878172B (en) | Pin connector, frame and engineering machine | |
| CN103567746B (en) | A kind of mounting or dismounting tools of shaft coupling and mounting and dismounting method | |
| CN216577654U (en) | Bush press-fitting tool | |
| CN215944218U (en) | Self-centering hinge structure of underground vehicle | |
| CN209838988U (en) | End pin type rigid coupling | |
| CN220769845U (en) | Combined locking structure of piston | |
| CN204985381U (en) | Shaft -hub connection device | |
| CN113482910A (en) | Tool for detaching cylinder sleeve of drilling pump | |
| CN206287096U (en) | A kind of instrument for dismantling oil cylinder head | |
| CN114017419B (en) | Novel oil cylinder piston rod end connection structure | |
| CN218934348U (en) | Well drilling sleeve pipe convenient to connect | |
| CN219774092U (en) | Floating side door bolt assembly and ram blowout preventer | |
| CN220373176U (en) | Stud assembling and disassembling tool for flange | |
| CN221075024U (en) | High-stability double-cross-shaft universal joint | |
| CN201078407Y (en) | Two-stage interference coupling member assembly for engine | |
| CN213616433U (en) | Dismounting tool for dismounting lining | |
| CN216504839U (en) | Elastic support shaft tool convenient to disassemble and used for test run | |
| CN219925889U (en) | Ultrathin hydraulic torque wrench | |
| CN211837786U (en) | Hinge beam expansion pin structure of cubic hydraulic press | |
| CN220268254U (en) | Sliding block type coupling | |
| CN213259214U (en) | Impact wrench and overload prevention device thereof | |
| CN219691875U (en) | Radial eccentric locking screw anti-loosening structure of oil cylinder piston | |
| CN211901355U (en) | Expansion sleeve type ball cage universal coupling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |