Multi-piece plug-in type split expansion sleeve coupling
By designing a multi-piece plug-in split expansion coupling, using mortise and tenon structure and pin connectors, the problems of complex structure, high processing difficulty and low installation accuracy in the existing technology are solved, and high load-bearing capacity and low cost coupling manufacturing are achieved.
Patent Information
- Application Number
- CN202520547984.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Existing split-type expansion sleeve couplings have complex structures, are difficult to machine, have difficulty in ensuring installation accuracy, have poor load-bearing capacity, low transmission accuracy, and high tensile stress on the bolts, resulting in poor load-bearing capacity of the coupling.
The multi-piece plug-in split expansion sleeve coupling includes a main flange, a main expansion sleeve hub, a main inner tapered sleeve, a secondary expansion sleeve hub, and a secondary inner tapered sleeve. The components are connected through mortise and tenon joints and pin connectors, which simplifies the processing and improves installation accuracy and load-bearing capacity.
With its simple structure, ease of processing and manufacturing, high installation accuracy, strong load-bearing capacity, and large torque-bearing capacity of the pin connector, the coupling's load-bearing capacity and reliability are significantly improved, while reducing production costs.
Smart Images
Figure CN223690211U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical connection structure technical field, in particular to a kind of multi-piece plug-in type split expansion sleeve coupling. BACKGROUND
[0002] Conventional ship power system and power generation system are divided into two forms, one is separation type, one is combined type. Among them, the separation type structure is that power system and power generation system are separated, and power generation system is separately arranged or separately installed in power system. The combined type structure is that the power generation module of power generation system is installed on the power output shaft of power system, and power generation is carried out in the process of output shaft rotation.
[0003] In the prior art, the power system cannot be stopped when the ship is temporarily parked and the speed is reduced, and the standby power of the power system is large, so there is a lot of energy waste. Therefore, by adding a generator on the power output shaft of the existing ship, the reduced standby kinetic energy of the power system can be converted into electrical energy for use by the ship power system, which can save a lot of power generation and fuel costs. However, since the main shaft part of the ship power system cannot be disassembled and connected to the power generation equipment after installation, the prior art usually uses a split expansion sleeve coupling to connect the power output shaft of the ship power system and the rotor of the power generation system. In order to successfully install the split expansion sleeve coupling between the output shaft of the power system and the rotor of the power generation system which are difficult to disassemble, the split expansion sleeve coupling of the prior art has a center split structure, mainly composed of an outer ring with a flange, two middle rings and an inner ring. The outer ring, the middle ring and the inner ring are all symmetrical two-part structures, the inner taper hole of the two middle rings is formed by clamping the inner ring in the center from both sides, the outer taper surface of the two middle rings is matched with the inner taper hole at both ends of the outer ring, and the two middle rings are squeezed between the outer ring and the inner ring by adjusting the distance between the two middle rings, so that the inner ring deforms inward to tightly hold the power output shaft. The squeezing force of the inner ring and the middle ring is transmitted to the outer ring, so that the squeezing force received by the outer ring is entirely borne by the bolts arranged on the two abutment surfaces of the outer ring. This makes the structure of the outer ring complex, the machining difficulty large, and the machining workload large, and the installation precision difficult to guarantee, so that the load carrying capacity of the coupling is poor. SUMMARY
[0004] In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the utility model is to provide a multi-piece plug-in type split expansion sleeve coupling with simple structure, easy to manufacture, high installation precision and strong load carrying capacity, to overcome the above-mentioned shortcomings of the prior art.
[0005] In order to solve the above-mentioned technical problems, the utility model provides a multi-piece plug-in type split expansion sleeve coupling, which comprises a main flange, a main expansion sleeve hub, a main inner taper sleeve, a secondary expansion sleeve hub and a secondary inner taper sleeve.
[0006] An inner ring side of an end surface of the main flange is provided with a main force bearing groove, and an inner ring side of an end surface of the main flange is provided with a secondary force bearing groove;
[0007] The main inner cone sleeve is arranged in the inner hole of the main expansion sleeve hub, and the outer wall of the main inner cone sleeve is matched with the inner wall of the main expansion sleeve hub through a conical surface.
[0008] The secondary inner cone sleeve is arranged in the inner hole of the secondary expansion sleeve hub, and the outer wall of the secondary inner cone sleeve is matched with the inner wall of the secondary expansion sleeve hub through a conical surface.
[0009] The main expansion sleeve hub and the secondary expansion sleeve hub are fixed together with the main flange through a plurality of first pin connecting pieces, and the main inner cone sleeve and the secondary inner cone sleeve are connected together with the main flange through a plurality of bolts.
[0010] Preferably, the main flange comprises a main flange body provided with an opening capable of radially penetrating the connecting shaft and a main flange lobe embedded in the opening of the main flange body, and the two joints between the main flange body and the main flange lobe are connected by a mortise and tenon structure.
[0011] Preferably, the main expansion sleeve hub comprises a main expansion sleeve hub body provided with an opening capable of radially penetrating the connecting shaft and a main expansion sleeve hub lobe embedded in the opening of the main expansion sleeve hub body, and the two joints between the main expansion sleeve hub body and the main expansion sleeve hub lobe are connected by a mortise and tenon structure.
[0012] The secondary expansion sleeve hub comprises a secondary expansion sleeve hub body provided with an opening capable of radially penetrating the connecting shaft and a secondary expansion sleeve hub lobe embedded in the opening of the secondary expansion sleeve hub body, and the two joints between the secondary expansion sleeve hub body and the secondary expansion sleeve hub lobe are also connected by a mortise and tenon structure.
[0013] The utility model also provides a kind of multi-piece plug-in type split expansion sleeve coupling, the main flange and secondary expansion sleeve hub of above-mentioned multi-piece plug-in type split expansion sleeve coupling are merged into one, form a new component: composite flange;Then the multi-piece plug-in type split expansion sleeve coupling of the utility model comprises composite flange, main expansion sleeve hub, main inner cone sleeve, secondary inner cone sleeve;
[0014] The inner ring side of the one end surface of the composite flange is provided with a main load bearing groove, the inner ring side of the one end surface of the main expansion sleeve hub with a smaller inner diameter is provided with a main load bearing boss matching the edge of the main load bearing groove, and the main load bearing boss is inserted into the inside of the main load bearing groove; the main inner cone sleeve is arranged in the inner hole of the main expansion sleeve hub, and the outer wall of the main inner cone sleeve is matched with the inner wall of the main expansion sleeve hub through a conical surface;
[0015] The inner ring side of the other end surface of the composite flange is provided with a conical hole matched with the auxiliary inner cone sleeve, the auxiliary inner cone sleeve is arranged in the conical hole, and the outer wall of the auxiliary inner cone sleeve is matched with the inner wall of the conical hole through a conical surface;
[0016] The main expansion sleeve hub is fixed with the composite flange through a plurality of second pin connecting pieces, and the main inner cone sleeve and the auxiliary inner cone sleeve are connected with the composite flange through a plurality of bolts.
[0017] Preferably, the composite flange comprises a composite flange body provided with an opening capable of radially penetrating the connecting shaft and a composite flange lobe embedded in the opening of the composite flange body, and the two joints between the composite flange body and the composite flange lobe are connected in a mortise and tenon structure.
[0018] Preferably, the main expansion sleeve hub comprises a main expansion sleeve hub body provided with an opening capable of radially penetrating the connecting shaft and a main expansion sleeve hub lobe embedded in the opening of the main expansion sleeve hub body, and the two joints between the main expansion sleeve hub body and the main expansion sleeve hub lobe are connected in a mortise and tenon structure.
[0019] The two multi-piece plug-in type split expansion sleeve couplings have the following beneficial effects:
[0020] Preferably, the two joints of the main inner cone sleeve are respectively provided with a main connecting plate, and the main connecting plate is respectively provided with two main predetermined positioning bolts connected with the main inner cone sleeve; the two joints of the auxiliary inner cone sleeve are respectively provided with an auxiliary connecting plate, and the auxiliary connecting plate is respectively provided with two auxiliary predetermined positioning bolts connected with the auxiliary inner cone sleeve.
[0021] As described above, the two multi-piece plug-in type split expansion sleeve couplings have the following beneficial effects:
[0022] The external profiles of the main body flange, the main expansion sleeve hub, the main inner cone sleeve, the auxiliary expansion sleeve hub, the auxiliary inner cone sleeve and the composite flange are annular structures, and can be machined by a lathe, the connection between the parts only needs to process some light holes and threaded holes, the structure is simple, the manufacturing is convenient, the production cost is low, and the installation is easy and high in precision. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0024] Figure 1 is a structure schematic diagram of an explosion state of the embodiment one of the present application;
[0025] Figure 2 is a front view schematic diagram of the embodiment one of the present application;
[0026] Figure 3 is a side view schematic diagram of the embodiment one of the present application;
[0027] Figure 4 is a rear view schematic diagram of the embodiment one of the present application;
[0028] Figure 5 is a three-dimensional structure schematic diagram of the main body flange in the embodiment one of the present application Figure 1 ;
[0029] Figure 6 is a three-dimensional structure schematic diagram of the main body flange in the embodiment one of the present application Figure 2 ;
[0030] Figure 7 is a three-dimensional structure schematic diagram of the main expansion sleeve hub in the embodiment one of the present application;
[0031] Figure 8 is a three-dimensional structure schematic diagram of the auxiliary expansion sleeve hub in the embodiment one of the present application;
[0032] Figure 9 is a three-dimensional structure schematic diagram of the main inner cone sleeve in the embodiment one of the present application;
[0033] Figure 10is the three-dimensional structure schematic diagram of the auxiliary inner cone sleeve in the embodiment one of the utility model.
[0034] Figure 11 is the structure schematic diagram of the explosion state of the embodiment two of the utility model,
[0035] Figure 12 is the front view schematic diagram of the embodiment two of the utility model,
[0036] Figure 13 is the side view sectional view schematic diagram of the embodiment two of the utility model,
[0037] Figure 14 is the rear view schematic diagram of the embodiment two of the utility model,
[0038] Figure 15 is the three-dimensional structure schematic diagram of the composite flange in the embodiment two of the utility model, Figure 1
[0039] Figure 16 is the three-dimensional structure schematic diagram of the composite flange in the embodiment two of the utility model. Figure 2
[0040] Figure 17 is the structure schematic diagram of the pin connector in the embodiment two of the utility model.
[0041] Element number explanation:
[0042] 1, main flange; 101, main bearing groove; 102, auxiliary bearing groove; 110, main flange body; 120, main flange petal; 2, main expansion sleeve hub; 201, main bearing boss; 210, main expansion sleeve hub body; 220, main expansion sleeve hub petal; 3, main inner cone sleeve; 310, half main inner cone sleeve one; 320, half main inner cone sleeve two; 4, auxiliary expansion sleeve hub; 401, auxiliary bearing boss; 410, auxiliary expansion sleeve hub body; 420, auxiliary expansion sleeve hub petal; 5, auxiliary inner cone sleeve; 510, half auxiliary inner cone sleeve one; 520, half auxiliary inner cone sleeve two; 6, first pin connector; 6a, elastic cylindrical pin with hole; 7, bolt; 8, main connecting plate; 9, main pre-positioning bolt; 10, auxiliary connecting plate; 11, auxiliary pre-positioning bolt; 12, auxiliary pre-tightening bolt; 13, pin matching bolt; 14, nut; 15, main pre-tightening bolt; 16, composite flange; 1602, taper hole; 1610, composite flange body; 1620, composite flange petal; 17, second pin connector. DETAILED DESCRIPTION
[0043] The implementation mode of the utility model is explained by the specific embodiment below, and other advantages and effects of the utility model can be easily understood by the person skilled in the art from the content disclosed in the specification.
[0044] Please refer to Figures 1 to 17 It should be understood that the structures, proportions, sizes, etc., illustrated in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and are not intended to limit the scope of this invention. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effectiveness and purpose of this invention, should still fall within the scope of the disclosed technical content. Furthermore, the terms "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity and not intended to limit the scope of this invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this invention.
[0045] The following will provide a detailed description of the multi-piece plug-in split expansion sleeve coupling of this utility model through specific embodiments.
[0046] Example 1
[0047] like Figures 1 to 4 As shown, a multi-piece plug-in split expansion sleeve coupling includes a main flange 1, a main expansion sleeve hub 2, a main inner tapered sleeve 3, a secondary expansion sleeve hub 4, and a secondary inner tapered sleeve 5.
[0048] like Figure 5 , Figure 6 As shown, the main flange 1 includes a main flange body 110 with a notch that allows a connecting shaft (referring to the power output shaft of a ship's power system) to pass radially through it, and a main flange flap 120 embedded in the notch of the main flange body 110. The two mating points between the main flange body 110 and the main flange flap 120 are connected by a tenon and mortise structure. The notch of the main flange body 110 is U-shaped.
[0049] like Figure 7 As shown, the main expansion hub 2 includes a main expansion hub body 210 with a notch that allows a connecting shaft (the connecting shaft refers to the power output shaft of the ship's power system) to pass radially through it, and a main expansion hub flap 220 embedded in the notch of the main expansion hub body 210. The two mating points between the main expansion hub body 210 and the main expansion hub flap 220 are connected by a mortise and tenon structure. The notch of the main expansion hub body 210 is U-shaped.
[0050] like Figure 8As shown in the figure, the auxiliary expansion sleeve hub 4 comprises an auxiliary expansion sleeve hub body 410 provided with an aperture capable of passing through the connecting shaft (the connecting shaft refers to the power output shaft of the ship power system) in the radial direction and an auxiliary expansion sleeve hub lobe 420 embedded in the aperture of the auxiliary expansion sleeve hub body 410, and the two joints between the auxiliary expansion sleeve hub body 410 and the auxiliary expansion sleeve hub lobe 420 are also connected by the mortise and tenon structure. The aperture of the auxiliary expansion sleeve hub body 410 is U-shaped.
[0051] As shown in the figure, Figure 9 As shown in the figure, the main inner cone sleeve 3 is a symmetrical two-lobe structure, comprising a half main inner cone sleeve one 310 and a half main inner cone sleeve two 320, and the two joints of the half main inner cone sleeve one 310 and the half main inner cone sleeve two 320 are connected by the mortise and tenon structure.
[0052] As shown in the figure, Figure 10 As shown in the figure, the auxiliary inner cone sleeve 5 is also a symmetrical two-lobe structure, comprising a half auxiliary inner cone sleeve one 510 and a half auxiliary inner cone sleeve two 520, and the two joints of the half auxiliary inner cone sleeve one 510 and the half auxiliary inner cone sleeve two 520 are also connected by the mortise and tenon structure.
[0053] As shown in the figure, Figure 5 As shown in the figure, the inner ring side of one end surface of the main body flange 1 is provided with a main force bearing groove 101, and as shown in the figure, Figure 6 As shown in the figure, the inner ring side of the other end surface of the main body flange 1 is provided with an auxiliary force bearing groove 102. As shown in the figure, Figure 7 As shown in the figure, the inner ring side of the end surface with smaller inner diameter of the main expansion sleeve hub 2 is provided with a main force bearing boss 201 matching the edge of the main force bearing groove 101. As shown in the figure, Figure 8 As shown in the figure, the inner ring side of the end surface with smaller inner diameter of the auxiliary expansion sleeve hub 4 is provided with an auxiliary force bearing boss 401 matching the edge of the auxiliary force bearing groove 102.
[0054] The installation method of the first embodiment is as follows:
[0055] Firstly, the main flange body 110 of the main flange 1 is inserted into the connecting shaft through the gap, and the main flange body 110 is rotated around the connecting shaft so that the gap faces upward; the main flange petal 120 is inserted into the gap of the main flange body 110. Then, the main expansion sleeve hub 2 and the auxiliary expansion sleeve hub 4 are installed in the corresponding positions of the connecting shaft by the same method as installing the main flange 1, so that the main expansion sleeve hub 2 and the auxiliary expansion sleeve hub 4 are arranged on both sides of the main flange 1, and the main expansion sleeve hub 2 and the auxiliary expansion sleeve hub 4 are rotated around the connecting shaft so that the main expansion sleeve hub petal 220 and the auxiliary expansion sleeve hub petal 420 are located below the connecting shaft; the main load-bearing boss 201 of the main expansion sleeve hub 2 is inserted into the inside of the main load-bearing groove 101, and the axial positioning and radial positioning between the main expansion sleeve hub 2 and the main flange 1 are realized through the cooperation between the main load-bearing boss 201 and the main load-bearing groove 101; the auxiliary load-bearing boss 401 of the auxiliary expansion sleeve hub 4 is inserted into the inside of the auxiliary load-bearing groove 102, and the axial positioning and radial positioning between the auxiliary expansion sleeve hub 4 and the main flange 1 are realized through the cooperation between the auxiliary load-bearing boss 401 and the auxiliary load-bearing groove 102.
[0056] As shown in Figures 1 to 4 , the main expansion sleeve hub 2 and the auxiliary expansion sleeve hub 4 are fixed together with the main flange 1 through a plurality of groups of first pin connectors 6. As shown in Figure 1 , Figure 3 , the first pin connector 6 is an elastic pin connector, and each group of first pin connectors 6 includes two elastic cylindrical pins 6a with holes, a pin matching bolt 13, and two nuts 14. One of the two elastic cylindrical pins 6a with holes is arranged in the corresponding mounting hole of the main expansion sleeve hub 2 and the main flange 1, and the other elastic cylindrical pin 6a with holes is arranged in the corresponding mounting hole of the auxiliary expansion sleeve hub 4 and the main flange 1. The pin matching bolt 13 is inserted through the two elastic cylindrical pins 6a with holes, and the two nuts 14 are screwed onto the pin matching bolt 13, thereby completing the pre-assembly of the main expansion sleeve hub 2, the auxiliary expansion sleeve hub 4, and the main flange 1 by the first pin connector 6. Figure 1 , Figure 2 and Figure 4 , a plurality of main pre-tightening bolts 15 are arranged on the main expansion sleeve hub 2 and the main flange 1, and a plurality of auxiliary pre-tightening bolts 12 are arranged on the auxiliary expansion sleeve hub 4 and the main flange 1. After the pre-assembly of the main expansion sleeve hub 2, the auxiliary expansion sleeve hub 4, and the main flange 1 by the plurality of groups of first pin connectors 6 is completed, the plurality of main pre-tightening bolts 15 and the plurality of auxiliary pre-tightening bolts 12 are first tightened, so that the main expansion sleeve hub 2 and the auxiliary expansion sleeve hub 4 have a reliable cooperation with the main flange 1; then the two nuts 14 of each group of first pin connectors 6 are tightened, thereby firmly fixing the main expansion sleeve hub 2, the auxiliary expansion sleeve hub 4, and the main flange 1 together.
[0057] Next, the main inner cone sleeve 3 and the auxiliary inner cone sleeve 5 are installed:
[0058] First, on the outside of the auxiliary expansion sleeve hub 4, the half auxiliary inner cone sleeve one 510 and the half auxiliary inner cone sleeve two 520 are butted together, so that the connecting shaft is held in the inner hole of the auxiliary inner cone sleeve 5, and the half auxiliary inner cone sleeve one 510 and the half auxiliary inner cone sleeve two 520 are radially pre-positioned through the mortise and tenon structure. As shown in Figure 3 , the auxiliary inner cone sleeve 5 is arranged in the inner hole of the auxiliary expansion sleeve hub 4, and the outer wall of the auxiliary inner cone sleeve 5 is matched with the inner wall of the auxiliary expansion sleeve hub 4 through the conical surface. As shown in Figure 1 , on the end face of the auxiliary inner cone sleeve 5 with a larger outer diameter, one auxiliary connecting plate 10 is arranged at each of the two butt joints of the auxiliary inner cone sleeve 5, and two auxiliary pre-positioning bolts 11 are arranged on the auxiliary connecting plate 10 respectively, which are matched with the mounting holes arranged on the auxiliary inner cone sleeve 5, so that the auxiliary connecting plate 10 and the half auxiliary inner cone sleeve one 510 and the half auxiliary inner cone sleeve two 520 of the auxiliary inner cone sleeve 5 are fixed together.
[0059] Then, on the outside of the main expansion sleeve hub 2, the half main inner cone sleeve one 310 and the half main inner cone sleeve two 320 are butted together, so that the connecting shaft is held in the inner hole of the main inner cone sleeve 3, and the half main inner cone sleeve one 310 and the half main inner cone sleeve two 320 are radially pre-positioned through the mortise and tenon structure. As shown in Figure 3 , the main inner cone sleeve 3 is arranged in the inner hole of the main expansion sleeve hub 2, and the outer wall of the main inner cone sleeve 3 is matched with the inner wall of the main expansion sleeve hub 2 through the conical surface. As shown in Figure 1 , on the end face of the main inner cone sleeve 3 with a larger outer diameter, one main connecting plate 8 is arranged at each of the two butt joints of the main inner cone sleeve 3, and two main pre-positioning bolts 9 are arranged on the main connecting plate 8 respectively, which are sequentially threaded through the main connecting plate 8, the main inner cone sleeve 3, the main body flange 1, and matched with the mounting holes arranged on the auxiliary inner cone sleeve 5, so that the main connecting plate 8, the main inner cone sleeve 3, the main body flange 1, and the auxiliary inner cone sleeve 5 are connected together, realizing the pre-positioning between the main inner cone sleeve 3, the main body flange 1, and the auxiliary inner cone sleeve 5.
[0060] As shown in Figure 1 , Figure 3 , a plurality of bolts 7 are sequentially threaded through the main inner cone sleeve 3, the main body flange 1, and matched with the corresponding threaded holes arranged on the auxiliary inner cone sleeve 5, and the plurality of bolts 7 are tightened respectively, so that the main inner cone sleeve 3 and the auxiliary inner cone sleeve 5 move towards the inside of the main expansion sleeve hub 2 and the auxiliary expansion sleeve hub 4 respectively, and through the extrusion between the conical surfaces, the inner holes of the main inner cone sleeve 3 and the auxiliary inner cone sleeve 5 are tightened, so as to lock the power output shaft of the ship power system, and the power output shaft of the ship power system and the coupling of the first embodiment form a tight and reliable keyless connection.
[0061] Finally, the holes on the outer edge of the main flange 1 are matched with the holes on the flange of the rotor of the generator on the ship, and the connection between the two flanges is realized by bolts, and the installation of the first embodiment is completed.
[0062] After the installation is completed, as shown in Figure 1 , Figure 2 and Figure 4 , the main flange petals 120 and the main expansion sleeve hub petals 220 are arranged at 180° on the end face; the main flange petals 120 and the auxiliary expansion sleeve hub petals 420 are also arranged at 180° on the end face.
[0063] Embodiment two
[0064] As shown in Figures 11 to 14 , a multi-piece plug-in split expansion sleeve coupling includes a composite flange 16, a main expansion sleeve hub 2, a main inner cone sleeve 3, and an auxiliary inner cone sleeve 5.
[0065] As shown in Figure 15 , Figure 16 , the composite flange 16 includes a composite flange body 1610 provided with an opening capable of radially passing through a connecting shaft (the connecting shaft refers to a power output shaft of a ship power system) and a composite flange petal 1620 embedded in the opening of the composite flange body 1610, and the two joints between the composite flange body 1610 and the composite flange petal 1620 are connected by a mortise and tenon structure; the opening of the composite flange body 1610 is U-shaped.
[0066] As shown in Figure 7 , the main expansion sleeve hub 2 includes a main expansion sleeve hub body 210 provided with an opening capable of radially passing through a connecting shaft (the connecting shaft refers to a power output shaft of a ship power system) and a main expansion sleeve hub petal 220 embedded in the opening of the main expansion sleeve hub body 210, and the two joints between the main expansion sleeve hub body 210 and the main expansion sleeve hub petal 220 are connected by a mortise and tenon structure; the opening of the main expansion sleeve hub body 210 is U-shaped.
[0067] As shown in Figure 9 , the main inner cone sleeve 3 is a symmetrical two-petal structure, including a half main inner cone sleeve one 310 and a half main inner cone sleeve two 320, and the two joints of the half main inner cone sleeve one 310 and the half main inner cone sleeve two 320 are connected by a mortise and tenon structure.
[0068] As shown in Figure 10 , the auxiliary inner cone sleeve 5 is also a symmetrical two-petal structure, including a half auxiliary inner cone sleeve one 510 and a half auxiliary inner cone sleeve two 520, and the two joints of the half auxiliary inner cone sleeve one 510 and the half auxiliary inner cone sleeve two 520 are also connected by a mortise and tenon structure.
[0069] As shown in Figure 15As shown, the inner ring side of the one end surface of the composite flange 16 is provided with a main load-bearing groove 101; as shown Figure 7 As shown, the inner ring side of the one end surface of the main expansion sleeve hub 2 with a smaller inner diameter is provided with a main load-bearing boss 201 matching the edge of the main load-bearing groove 101; the main load-bearing boss 201 is inserted into the inside of the main load-bearing groove 101. As shown Figure 13 As shown, the main inner cone sleeve 3 is arranged in the inner hole of the main expansion sleeve hub 2, and the outer wall of the main inner cone sleeve 3 is matched with the inner wall of the main expansion sleeve hub 2 through a conical surface. As shown Figure 13 、 Figure 16 As shown, the inner ring side of the other end surface of the composite flange 16 is provided with a conical hole 1602 matched with the auxiliary inner cone sleeve 5, the auxiliary inner cone sleeve 5 is arranged in the conical hole, and the outer wall of the auxiliary inner cone sleeve 5 is matched with the inner wall of the conical hole 1602 through a conical surface.
[0070] As shown Figure 13 As shown, the main expansion sleeve hub 2 is fixed with the composite flange 16 through a plurality of groups of second pin connectors 17, and the main inner cone sleeve 3 and the auxiliary inner cone sleeve 5 are connected with the composite flange (16) through a plurality of bolts 7.
[0071] The installation method of the second embodiment is as follows:
[0072] First, the composite flange body 1610 of the composite flange 16 is inserted into the connecting shaft from the gap, the composite flange body 1610 is rotated around the connecting shaft so that the gap faces upward, and the composite flange petal 1620 is inserted into the gap of the composite flange body 1610. Then, the main expansion sleeve hub 2 is also installed at the corresponding position of the connecting shaft by using the same method as installing the composite flange 16, the main expansion sleeve hub 2 is rotated around the connecting shaft so that the main expansion sleeve petal 220 is located below the connecting shaft, the main load-bearing boss 201 of the main expansion sleeve hub 2 is inserted into the inside of the main load-bearing groove 101, and the axial positioning and radial positioning between the main expansion sleeve hub 2 and the composite flange 16 are realized through the cooperation between the main load-bearing boss 201 and the main load-bearing groove 101.
[0073] As shown Figures 11 to 14 As shown, the main expansion sleeve hub 2 is fixed with the composite flange 16 through a plurality of groups of second pin connectors 17.
[0074] As shown Figure 17 As shown, the second pin connector 17 includes a elastic pin sleeve 17b and a bolt 17a arranged in the inner hole of the elastic pin sleeve 17b, and the elastic pin sleeve 17b is provided with a cutout 17b1; the second pin connector 17 is a prior art, which will not be described in detail here. As shown Figure 13As shown, the elastic pin sleeve 17b of the second pin connector 17 is arranged in the corresponding mounting hole of the main expansion sleeve hub 2 and the composite flange 16. By screwing the bolt 17a into the corresponding threaded hole of the composite flange 16, the pre-assembly of the second pin connector 17 to the main expansion sleeve hub 2 and the composite flange 16 is completed.
[0075] As shown in Figure 11 , Figure 14 As shown, the main expansion sleeve hub 2 and the composite flange 16 are also provided with a plurality of main pre-tightening bolts 15. After the pre-assembly of the main expansion sleeve hub 2 and the composite flange 16 is completed, the plurality of main pre-tightening bolts 15 are first tightened, so that the main expansion sleeve hub 2 and the composite flange 16 have a reliable cooperation. Then, the bolts 17a of the plurality of second pin connectors 17 are tightened in the corresponding threaded holes of the composite flange 16, so that the main expansion sleeve hub 2 and the composite flange 16 are firmly fixed together.
[0076] Next is the installation of the main inner cone sleeve 3 and the auxiliary inner cone sleeve 5.
[0077] First, on the outer side of the one end face of the composite flange 16 provided with the tapered hole 1602, the half auxiliary inner cone sleeve one 510 and the half auxiliary inner cone sleeve two 520 are butt-jointed together, so that the connecting shaft is held in the inner hole of the auxiliary inner cone sleeve 5, and the half auxiliary inner cone sleeve one 510 and the half auxiliary inner cone sleeve two 520 are radially pre-positioned through the mortise and tenon structure. Figure 13 As shown, the auxiliary inner cone sleeve 5 is arranged in the tapered hole 1602, and the outer wall of the auxiliary inner cone sleeve 5 is matched with the tapered hole 1602 through the tapered surface. Figure 11 As shown, on the one end face of the auxiliary inner cone sleeve 5 with a larger outer diameter, one auxiliary connecting plate 10 is arranged at each of the two butt joints of the auxiliary inner cone sleeve 5, and two auxiliary pre-positioning bolts 11 are arranged on the auxiliary connecting plate 10 respectively, which are matched with the mounting holes arranged on the auxiliary inner cone sleeve 5, so that the auxiliary connecting plate 10 is fixed with the half auxiliary inner cone sleeve one 510 and the half auxiliary inner cone sleeve two 520 of the auxiliary inner cone sleeve 5. Then, on the outer side of the main expansion sleeve hub 2, the half main inner cone sleeve one 310 and the half main inner cone sleeve two 320 are butt-jointed together, so that the connecting shaft is held in the inner hole of the main inner cone sleeve 3, and the half main inner cone sleeve one 310 and the half main inner cone sleeve two 320 are radially pre-positioned through the mortise and tenon structure.
[0078] As shown in Figure 13 The main inner cone sleeve 3 is arranged in the inner hole of the main expansion sleeve hub 2, and the outer wall of the main inner cone sleeve 3 is matched with the inner wall of the main expansion sleeve hub 2 through the tapered surface. Figure 11As shown in the drawings, a main connecting plate 8 is arranged on the end face of the main inner taper sleeve 3 at the end with a larger outer diameter, and two main predetermined positioning bolts 9 are arranged on the main connecting plate 8, which sequentially pass through the main connecting plate 8, the main inner taper sleeve 3 and the composite flange 16, and cooperate with the mounting holes arranged on the auxiliary inner taper sleeve 5, so that the main connecting plate 8, the main inner taper sleeve 3, the composite flange 16 and the auxiliary inner taper sleeve 5 are connected together to realize the pre-positioning between the main inner taper sleeve 3, the composite flange 16 and the auxiliary inner taper sleeve 5.
[0079] As shown in the drawings, Figure 11 、 Figure 13 a plurality of bolts 7 are sequentially arranged through the main inner taper sleeve 3 and the composite flange 16 and cooperate with the corresponding threaded holes arranged on the auxiliary inner taper sleeve 5, and the plurality of bolts 7 are tightened, so that the main inner taper sleeve 3 and the auxiliary inner taper sleeve 5 move towards the inside of the main expansion sleeve hub 2 and the composite flange 16, the inner holes of the main inner taper sleeve 3 and the auxiliary inner taper sleeve 5 are tightened through the extrusion between the taper faces, and the power output shaft of the ship power system is locked, so that the power output shaft of the ship power system and the coupling of the second embodiment form a tight and reliable keyless connection.
[0080] Finally, the holes on the outer edge of the composite flange 16 are one-to-one corresponding to the holes on the flange of the ship generator rotor, and the connection between the two flanges is realized through bolts, and the installation of the second embodiment is completed.
[0081] After the installation is completed, as shown in the drawings, Figure 11 、 Figure 14 the composite flange petals 1620 and the main expansion sleeve hub petals 220 are arranged at 180° on the end face.
[0082] In summary, the multi-piece plug-in type split expansion sleeve coupling of the utility model, when the power output shaft of the ship power system drives the ship generator rotor to rotate, the torque borne by the coupling is entirely borne by the pin connection, and the bearing capacity of the pin connection is far greater than that of the bolt, so that the utility model is more than twice the bearing capacity of the same type of expansion sleeve coupling in the prior art under the condition of the same weight. Moreover, the utility model has the advantages of simple structure, convenient processing and manufacturing, low production cost and high installation precision. Therefore, the utility model effectively overcomes the various shortcomings in the prior art and has high industrial utilization value and popularization value.
[0083] The above embodiments only exemplarily illustrate the principle and effects of the utility model, and are not used to limit the utility model, and any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.
Claims
1. A multi-piece plug-in type split expansion sleeve coupling, characterized in that, The main body flange (1) is provided with a main load-bearing groove (101) on the inner ring side of one end surface, and a secondary load-bearing groove (102) on the inner ring side of the other end surface. The main inner taper sleeve (3) is arranged in the inner hole of the main expansion sleeve hub (2), and the outer wall of the main inner taper sleeve (3) is matched with the inner wall of the main expansion sleeve hub (2) through a taper surface. The main inner taper sleeve (3) is arranged in the inner hole of the main expansion sleeve hub (2), and the outer wall of the main inner taper sleeve (3) is matched with the inner wall of the main expansion sleeve hub (2) through a taper surface. The main inner taper sleeve (3) is arranged in the inner hole of the main expansion sleeve hub (2), and the outer wall of the main inner taper sleeve (3) is matched with the inner wall of the main expansion sleeve hub (2) through a taper surface. The main expansion sleeve hub (2) and the secondary expansion sleeve hub (4) are fixed together with the main body flange (1) through a plurality of first column pin connecting pieces (6), and the main inner taper sleeve (3) and the secondary inner taper sleeve (5) are connected together with the main body flange (1) through a plurality of bolts (7).
2. The multi-piece, split, expansion coupling of claim 1, wherein: The main body flange (1) includes a main body flange body (110) provided with an opening capable of passing through a connecting shaft in a radial direction and a main body flange lobe (120) embedded in the opening of the main body flange body (110), and the two abutments between the main body flange body (110) and the main body flange lobe (120) are connected by a mortise and tenon structure.
3. The multi-piece, split, expansion coupling of Claim 2, wherein: The main body flange (1) includes a main body flange body (110) provided with an opening capable of passing through a connecting shaft in a radial direction and a main body flange lobe (120) embedded in the opening of the main body flange body (110), and the two abutments between the main body flange body (110) and the main body flange lobe (120) are connected by a mortise and tenon structure. The main body flange (1) includes a main body flange body (110) provided with an opening capable of passing through a connecting shaft in a radial direction and a main body flange lobe (120) embedded in the opening of the main body flange body (110), and the two abutments between the main body flange body (110) and the main body flange lobe (120) are connected by a mortise and tenon structure.
4. A multi-piece, split, expansion coupling, comprising: The main body flange (1) includes a main body flange body (110) provided with an opening capable of passing through a connecting shaft in a radial direction and a main body flange lobe (120) embedded in the opening of the main body flange body (110), and the two abutments between the main body flange body (110) and the main body flange lobe (120) are connected by a mortise and tenon structure. The inner ring side of the one end surface of the composite flange (16) is provided with a main load bearing groove (101), and the inner ring side of the one end surface of the main expansion sleeve hub (2) is provided with a main load bearing boss (201) matching the edge of the main load bearing groove (101), and the main load bearing boss (201) is inserted into the inside of the main load bearing groove (101); the main inner cone sleeve (3) is arranged in the inner hole of the main expansion sleeve hub (2), and the outer wall of the main inner cone sleeve (3) is matched with the inner wall of the main expansion sleeve hub (2) through a conical surface; The inner ring side of the other end surface of the composite flange (16) is provided with a tapered hole (1602) matched with the auxiliary inner cone sleeve (5), the auxiliary inner cone sleeve (5) is arranged in the tapered hole, and the outer wall of the auxiliary inner cone sleeve (5) is matched with the inner wall of the tapered hole (1602) through a conical surface; The main expansion sleeve hub (2) is fixed with the composite flange (16) through a plurality of second column pin connecting pieces (17), and the main inner cone sleeve (3) and the auxiliary inner cone sleeve (5) are connected with the composite flange (16) through a plurality of bolts (7).
5. The multi-piece, split, expansion coupling of Claim 4, wherein: The composite flange (16) includes a composite flange body (1610) provided with an opening capable of radially penetrating the connecting shaft and a composite flange petal (1620) embedded in the opening of the composite flange body (1610), and the two joints between the composite flange body (1610) and the composite flange petal (1620) are connected in a mortise and tenon structure.
6. The multi-piece, split, expansion coupling of Claim 5, wherein: The main expansion sleeve hub (2) includes a main expansion sleeve hub body (210) provided with an opening capable of radially penetrating the connecting shaft and a main expansion sleeve hub petal (220) embedded in the opening of the main expansion sleeve hub body (210), and the two joints between the main expansion sleeve hub body (210) and the main expansion sleeve hub petal (220) are connected in a mortise and tenon structure.
7. The multi-piece, split, expansion coupling of any one of claims 1 to 6, wherein: The main inner cone sleeve (3) and the auxiliary inner cone sleeve (5) are both symmetrical two-petal structures, and the joints are connected in a mortise and tenon structure.
8. The multi-piece, split, expansion coupling of Claim 7, wherein: The two joints of the main inner cone sleeve (3) are respectively provided with a main connecting plate (8), and the main connecting plate (8) is respectively provided with two main predetermined positioning bolts (9) connected with the main inner cone sleeve (3); the two joints of the auxiliary inner cone sleeve (5) are respectively provided with an auxiliary connecting plate (10), and the auxiliary connecting plate (10) is respectively provided with two auxiliary predetermined positioning bolts (11) connected with the auxiliary inner cone sleeve (5). The two joints of the main inner cone sleeve (3) are respectively provided with a main connecting plate (8), and the main connecting plate (8) is respectively provided with two main predetermined positioning bolts (9) connected with the main inner cone sleeve (3); the two joints of the auxiliary inner cone sleeve (5) are respectively provided with an auxiliary connecting plate (10), and the auxiliary connecting plate (10) is respectively provided with two auxiliary predetermined positioning bolts (11) connected with the auxiliary inner cone sleeve (5).