Novel through type coupler equipment

Abstract

The invention discloses novel penetrating type coupler equipment, and relates to the technical field of couplings, the novel penetrating type coupler equipment comprises a tooth end shaft sleeve and a roller end shaft sleeve, the tooth end shaft sleeve is provided with a novel penetrating flange fork through a bolt, the novel penetrating flange fork is provided with a second universal joint, and the roller end shaft sleeve is provided with a connecting disc through a positioning pin and a bolt. The connecting disc is provided with a flange fork through a bolt, the flange fork is provided with a first universal joint, and the first universal joint is reliably connected with the flange end of the spline shaft through a bolt and a positioning pin. Through involute spline connection, circumferentially and uniformly distributed step positioning pins, bearing retainer rings for holes, anti-rotation keys, full-space bolt combined novel penetrating flange forks and other structures, it is ensured that the coupling does not fall off or loosen during connection under the large impact load, and the high-vibration and high-impact working condition requirements of metallurgical equipment are met; and sufficient and uniform lubrication is ensured through a spiral oil storage groove, an X-shaped small oil storage groove and large oil storage groove loop and a positioning pin center oil way.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of couplings, and specifically relates to a novel through-type coupling equipment. BACKGROUND

[0002] In the process of metallurgical rolling production, as a core component for transmitting torque, the coupling stability directly determines the rolling safety and rolling quality. However, the existing rolling transmission coupling has many deficiencies in actual application, and it is difficult to meet the working condition requirements of high vibration and high impact of metallurgical equipment. The specific defects are as follows: 1. In the existing through-type equipment, the connection structure of the roll end shaft sleeve and the connecting disc is prone to looseness under large vibration conditions, which may cause coupling failure, affect the stability of torque transmission, and further cause rolling failure.

[0003] 2. The existing coupling spline pair part has no special oil storage mechanism, and the lubricating oil is insufficient, which is prone to jamming.

[0004] 3. The existing through-type coupling tooth end side through flange fork does not realize full circumferential joint, and is prone to bolt loosening and disengagement, and fork head tearing.

[0005] Based on this, a novel through-type coupling equipment is provided, which can eliminate the drawbacks of the existing device. SUMMARY

[0006] The purpose of the present application is to provide a novel through-type coupling equipment to solve the problems in the background art.

[0007] To achieve the above-mentioned purpose, the present application provides the following technical solutions: A novel through-type coupling equipment, comprising a tooth end shaft sleeve and a roll end shaft sleeve, the tooth end shaft sleeve is provided with a novel through flange fork through bolts, the novel through flange fork is provided with a universal joint two, the roll end shaft sleeve is provided with a connecting disc through bolts and positioning pins, the connecting disc is provided with a flange fork through bolts, the flange fork is provided with a universal joint one, the universal joint one is provided with a spline shaft through positioning pins and flange bolts, the universal joint two is provided with a spline sleeve, and the spline shaft and the spline sleeve inner wall are in sliding connection.

[0008] On the basis of the above technical solution, the present application further provides the following optional technical solutions: In an optional solution, the spline sleeve and the universal joint two are both embedded with sealing rings.

[0009] In an optional solution, characterized in that the spline sleeve is provided with an oil injection hole.

[0010] In an optional solution, the roll end shaft sleeve is provided with a vent hole, and the vent hole is provided with a vent plug.

[0011] In one alternative: the roller end bushing is bolted to a positioning sleeve.

[0012] In one alternative: an anti-rotation key is bolted between the roller end bushing and the positioning sleeve.

[0013] In one alternative: the roller end bushing is fitted with a liner plate via a locating pin, and the liner plate has a large oil storage tank and a small oil storage tank, which are connected to each other.

[0014] In one alternative: an oil injection nozzle is provided on the symmetrically arranged positioning pins on the periphery of the roller end bushing, and the oil injection nozzle is connected to the large oil reservoir and the small oil reservoir.

[0015] In one alternative: a spiral oil reservoir is provided inside the spline sleeve.

[0016] In one alternative: the small oil storage tank is X-shaped and forms a loop with the large oil storage tank.

[0017] In one alternative: the bottom of the novel through-flange fork is provided with a truncated cone structure, which can realize full circumferential bolt engagement, and the bottom of the truncated cone structure of the novel through-flange fork is provided with a flat keyway.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention effectively solves problems such as loosening of the roller end bushing and connecting plate, rotation of the positioning sleeve shearing bolts, liner detachment, and stress tearing of the flange fork by using involute spline connection, circumferentially distributed stepped positioning pins, bearing retaining rings for holes, anti-rotation key, and full-space bolt handle flange fork. It ensures that the coupling will not fall off or loosen under large impact loads, meeting the high vibration and high impact working conditions of metallurgical equipment.

[0019] This invention achieves precise oil supply and sufficient oil storage for key components such as spline pairs, liners, and universal joints through the design of spiral oil reservoirs, X-shaped small oil reservoirs and large oil reservoir circuits, positioning pin center oil circuits, oil nozzles, and oil injection holes. This ensures sufficient and uniform lubrication, avoids problems such as jamming and component wear caused by insufficient lubrication, and extends the service life of components.

[0020] This invention achieves individual component replacement and quick disassembly through a structure that allows for separate connection between the roller end welding fork and the spline shaft, disassembly assisted by the positioning ring top screw hole, and convenient maintenance of the spline shaft baffle. This eliminates the need for overall factory return or complete shaft disassembly, significantly reducing on-site maintenance costs and shortening the maintenance cycle.

[0021] This invention, through the design of a novel through-end flange fork conical structure, ensures the overall structural strength of the through-end flange fork while achieving full-circumferential fastener engagement. It also achieves a reliable connection between the through-end joint and the toothed end bushing, extending the product's service life. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of the present invention.

[0023] Figure 2 This is a schematic diagram of the spline sleeve structure of the present invention.

[0024] Figure 3 This is a front view of the spline sleeve of the present invention.

[0025] Figure 4 For the present invention Figure 3 Cross-sectional view at point AA.

[0026] Figure 5 This is a schematic diagram of the novel through-flange fork structure of the present invention. Figure 6 This is a schematic cross-sectional view of the novel through-flange fork of the present invention.

[0027] Figure 7 This is a bottom view of the novel through-flange fork of the present invention.

[0028] Figure 8 This is a schematic diagram of the internal structure of the roller end bushing of the present invention.

[0029] Figure 9 For the present invention Figure 6 Cross-sectional view at point BB.

[0030] Figure label annotations: 1. Tooth end bushing, 2. Roller end bushing, 3. Anti-rotation key, 4. Liner, 5. Connecting disc, 6. Vent plug, 7. New type through flange fork, 8. Universal joint one, 9. Universal joint two, 10. Oil injection hole, 11. Spline sleeve, 12. Spline shaft, 13. Sealing ring, 14. Spiral oil reservoir, 15. Large oil reservoir, 16. Small oil reservoir, 17. Positioning sleeve, 18. Oil injection nozzle, 19. Flange fork. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0032] In one embodiment, such as Figures 1-9As shown, a novel through-type coupling assembly includes a toothed end bushing 1, a roller end bushing 2, an anti-rotation key 3, a liner 4, a connecting disc 5, a vent plug 6, a novel through-type flange fork 7, a universal joint one 8, a universal joint two 9, an oil injection hole 10, a spline sleeve 11, a spline shaft 12, a sealing ring 13, a spiral oil reservoir 14, a large oil reservoir 15, a small oil reservoir 16, a positioning sleeve 17, an oil injection nozzle 18, and a flange fork 19. The toothed end bushing 1 is fastened to the new through flange fork 7 by bolts. The fork head of the new through flange fork 7 is assembled with the universal joint 9 by bearings to ensure that the universal joint 9 can rotate flexibly. The roller end bushing 2 has an involute spline machined on its outer side, which is connected to the internal spline of the connecting plate 5. After assembly, four stepped positioning pin mounting holes are evenly machined around the circumference of the two, and stepped positioning pins are inserted. A retaining ring groove is machined at the end of the hole. The mounting holes are limited by bearing retaining rings. At the same time, the flange end face of the connecting plate 5 and the flange fork 19 are tightly fitted and fastened by bolts. The internal hexagon screws connecting the roller end bushing 2 and the connecting plate 5 have no room to come out, preventing the screws from loosening.

[0033] The fork head of flange fork 19 is connected to universal joint 18 via a locating pin to ensure stable torque transmission. The end of universal joint 18 away from flange fork 19 is connected to spline shaft 12 via a locating pin and flange bolts. Four circumferentially distributed stepped locating pins are used for limiting the movement. The locating pins are fixed with bearing retaining rings, forming a split structure for easy replacement of individual components. The end of universal joint 29 away from the new through flange fork 7 is fixedly connected to spline sleeve 11. The inner side of spline sleeve 11 is machined with a spiral oil reservoir 14 and a sealing groove. An integrated high-temperature resistant and corrosion-resistant sealing ring 13 is installed in the sealing groove. Spline shaft 12 is inserted into spline sleeve 11 and slides against the inner wall of spline sleeve 11. The sealing ring 13 is tightly abutted against the outer wall of spline shaft 12 to achieve a seal. Both universal joint 18 and universal joint 29 have oil injection holes 10 on their sides, which can be used to directly inject lubricating grease into the universal joint.

[0034] The roller end sleeve 2 has vent holes machined on its circumference, and a vent plug 6 is installed in the vent holes. A positioning sleeve 17 is bolted to one end of the roller end sleeve 2. The positioning sleeve 17 and the roller end sleeve 2 are connected by an anti-rotation key 3, which is bolted into the corresponding keyway. A liner 4 is mounted on the inner side of the roller end sleeve 2 via a positioning pin. The positioning pin step is located on the liner 4, and a lubrication oil passage is machined in the center of the positioning pin. An oil injection nozzle 18 is installed on the circumference of the roller end sleeve 2. The oil injection nozzle 18 connects to the oil passage of the positioning pin and... The large oil reservoir 15 on the liner 4 is connected, and the liner 4 is also machined with an X-shaped small oil reservoir 16. The small oil reservoir 16 and the large oil reservoir 15 are connected to form a lubrication circuit. The positioning ring and the roller end bushing 2 are connected by screws, and the flange face is machined with a set screw hole. The end of the spline shaft 12 is bolted to install a baffle to limit the spline shaft 12 and the spline sleeve 11. The new through flange fork 7 and flange fork 19 both adopt a smooth curved surface transition design on the side of the fork head ear, and the stop position is close to the corresponding bushing bolt.

[0035] In one embodiment, the spiral oil reservoir 14 of the spline sleeve 11 adopts a right-hand spiral structure with a depth of 5mm, a width of 8mm, and a helix angle of 15°. This parameter design can maximize the oil storage space while ensuring the structural strength of the spline sleeve 11. When the axial sliding speed of the spline shaft 12 is 0.1-0.3m / s, the grease can evenly cover the surface of the spline pair to meet the lubrication requirements.

[0036] The spiral oil storage mechanism stores grease, providing all-around lubrication and achieving reasonable and sufficient lubrication with ample oil storage.

[0037] In one embodiment, the large oil reservoir 15 of the liner 4 has a depth of 10 mm and a width of 12 mm, the small oil reservoir 16 has a depth of 5 mm and a width of 6 mm, and the included angle of the X-shaped small oil reservoir 16 is 90°. This design can increase the total oil storage capacity to 3 times that of the traditional structure, and the lubricating grease can quickly fill the contact gap between the liner 4 and the roller under the action of the centrifugal force of the roller rotation, reducing wear.

[0038] In one embodiment, the step height of the step positioning pin is 3mm, and the diameter is 0.02-0.05mm larger than that of the positioning hole. It is assembled with an interference fit, and the mating hole is axially limited by a bearing retaining ring, which can withstand an axial impact force of up to 50kN.

[0039] The universal joint 29 features a new type of through-type flange fork 7. Considering that there is a large through hole in the middle of the fork head, providing sufficient space for the spline shaft 12 to pass through, and to ensure that the fork head and the toothed end bushing are bolted in the entire space throughout the cycle, ensuring uniform and reliable axial engagement and preventing bolt elongation and fork head tearing, and also for the safety of the overall structural strength of the fork head, a new conical structure is independently designed. This ensures the overall structural strength of the fork head while also providing installation space for bolts and other fasteners. The plane of the conical platform is parallel to the flange plane of the flange fork, and the conical platform and the fork head ear diameter are smoothly transitioned with a large rounded corner (reducing stress concentration at this point in the fork head). The cross-sectional angle between the conical surface of the conical platform and the flange plane is 43°, and the side of the fork head conical platform ear has a smooth curved surface transition. The new structure provides better force distribution to the fork head, higher overall structural strength, and a more stable connection. The entire circumferential space between the flange fork and the connecting parts can accommodate bolts and other fasteners, avoiding the problem of unreliable connection caused by the inability to install fasteners on the fork head ear side of traditional through-type flange forks.

[0040] The circumferentially distributed locating pins installed on the roller end bushing 2 and the connecting disc 5 are limited by the bearing retaining rings in the annular groove inside the pin hole of the connecting disc 5. The circumferentially distributed locating pins installed on the universal joint 8 and the spline shaft 12 are installed by the bearing retaining rings in the annular groove inside the welded fork pin hole of the universal joint 8. The stepped locating pins, through the contact between the stepped surface and the reference surface, can achieve high positioning accuracy and strong stability. The stepped structure can distribute the load and compensate for deviations. It has fault tolerance for small deviations in the locating hole, strong anti-rotation capability, and strong limiting of the spline pair connection between the welded fork and the spline shaft. In universal joint 18, the flange fork 19 and the connecting plate 5 are connected by bolts and a key. The flange face of the flange fork is tightly attached to the internal hex bolt to prevent the bolt from loosening and falling off. In universal joint 29, the new through flange fork 7 presses the toothed end bushing bolt at the stop position to prevent the toothed end bushing from loosening and falling off directly. The spline shaft 12 has splines at both ends. One end is connected to the spline inside the welded fork in universal joint 8 by a locating pin and bolts. The other end is connected to the spline sleeve 11 in universal joint 9. A limit baffle is provided at the end of the spline shaft 12 away from the flange, so there is no need to worry about the spline shaft and spline sleeve slipping off during shutdown maintenance. The spline shaft 12 can be disengaged from universal joints 8 and 9 by removing fasteners such as locating pins and baffle bolts. The joints at both ends can be disassembled into independent units without removing the cross-shaped assembly, which facilitates later maintenance and repair.

[0041] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A novel through shaft coupling arrangement, characterized by, Including tooth end axle sleeve (1) and roller end axle sleeve (2), the tooth end axle sleeve (1) is installed with new type through flange fork (7) by bolt, the new type through flange fork (7) is installed with universal joint two (9), the roller end axle sleeve (2) is installed with connecting disc (5) by bolt and positioning pin, the connecting disc (5) is installed with flange fork (19) by bolt, the flange fork (19) is installed with universal joint one (8), the universal joint one (8) is installed with spline shaft (12) by positioning pin and flange bolt, the universal joint two (9) is installed with spline sleeve (11), the spline shaft (12) is slidably connected with the inner wall of spline sleeve (11), the new type through flange fork (7) bottom is provided with conical frustum structure, can realize full circumferential bolt put together, the new type through flange fork (7) conical frustum structure bottom is provided with flat key groove.

2. A novel through shaft coupling arrangement as claimed in claim 1, wherein, The spline sleeve (11) and universal joint two (9) are embedded with sealing ring (13).

3. A novel through shaft coupling arrangement as claimed in claim 1, wherein, The spline sleeve (11) is provided with oil injection hole (10).

4. A novel through shaft coupling arrangement as claimed in claim 1, wherein, The roller end axle sleeve (2) is provided with air vent hole on the side, and the air vent hole is provided with air vent plug (6).

5. A novel through shaft coupling arrangement as claimed in claim 1, wherein, The roller end axle sleeve (2) is installed with positioning sleeve (17) by bolt.

6. A novel through shaft coupling arrangement as claimed in claim 1, wherein, The roller end axle sleeve (2) and positioning sleeve (17) are installed with anti-rotation key (3) by bolt.

7. A novel through shaft coupling arrangement as claimed in claim 1, wherein, The roller end axle sleeve (2) is installed with lining plate (4) by positioning pin, the lining plate (4) is provided with large oil storage groove (15) and small oil storage groove (16), and the large oil storage groove (15) and small oil storage groove (16) are communicated.

8. A novel through shaft coupling arrangement as claimed in claim 7, wherein, The symmetrical positioning pins on the side of the roller end axle sleeve (2) are provided with oil injection nozzle (18), and the oil injection nozzle (18) is communicated with the large oil storage groove (15) and small oil storage groove (16).

9. A novel through shaft coupling arrangement as claimed in claim 1, wherein, The spline sleeve (11) is provided with spiral oil storage groove (14).

10. A novel through shaft coupling arrangement as claimed in claim 7, wherein, The small oil storage groove (16) is X-shaped and cooperates with the large oil storage groove (15) to form a loop.

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