Coupler protective sleeve

Abstract

The utility model discloses a coupler protective sleeve which comprises an installation ring, two sets of symmetrically-distributed adjusting rings are arranged on the two sides of the installation ring, two sets of symmetrically-distributed positioning rings are arranged on the two sides of the installation ring, the two sets of positioning rings correspond to the adjusting rings, and the two sets of positioning rings are connected with the corresponding adjusting rings in a rotating and clamping mode respectively. Telescopic pipes are arranged between the mounting ring and the two sets of adjusting rings, the two ends of each telescopic pipe are fixedly connected with the corresponding adjusting ring and the mounting ring, two sets of symmetrically-distributed mounting rods are fixedly mounted on the mounting ring, and two sets of symmetrically-distributed first telescopic rods are slidably mounted in the two sets of mounting rods; second telescopic rods are slidably mounted in the two sets of first telescopic rods correspondingly, the arranged mounting rings are matched with the two sets of symmetrically-distributed adjusting rings, covering protection of couplings of different models is completed under the action of the mounting rods, the first telescopic rods and the second telescopic rods, and the use range of the protective sleeve is effectively expanded.

Description

Technical Field

[0001] This utility model relates to the field of coupling technology, specifically to a coupling protective sleeve. Background Technology

[0002] A coupling is a mechanical part used to connect two shafts (driving shaft and driven shaft) in different mechanisms so that they rotate together to transmit torque. In high-speed and heavy-load power transmission, some couplings also have the functions of buffering, vibration reduction and improving the dynamic performance of the shaft system. A coupling consists of two halves, which are connected to the driving shaft and the driven shaft respectively. Generally, most power machines are connected to the working machine by means of couplings.

[0003] In the prior art, if a large amount of dust, chips, or hard sand particles adhere to the surface or gaps of the coupling during use, it will cause significant damage to the coupling, reduce its service life, and thus affect the normal operation of the machinery. To address this issue, we propose a coupling protective sleeve. Utility Model Content

[0004] The purpose of this invention is to provide a coupling protective sleeve to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a coupling protective sleeve, comprising a mounting ring, two sets of symmetrically distributed adjusting rings on both sides of the mounting ring, and two sets of symmetrically distributed positioning rings on both sides of the mounting ring. The two sets of positioning rings are correspondingly arranged with the adjusting rings, and the two sets of positioning rings are respectively rotatably engaged with the corresponding adjusting rings. A telescopic tube is provided between the mounting ring and the two sets of adjusting rings, and the two ends of the telescopic tube are respectively fixedly connected to the corresponding adjusting ring and the mounting ring. Two sets of symmetrically distributed mounting rods are fixedly installed on the mounting ring. Two sets of symmetrically distributed first telescopic rods are slidably installed in each of the two sets of mounting rods, and second telescopic rods are slidably installed in each of the two sets of first telescopic rods. The ends of the two sets of second telescopic rods away from the mounting rods are respectively fixedly connected to the corresponding adjusting rings. Three sets of annularly distributed clamping rods are provided on the positioning ring, and sliders are fixedly installed on each of the three sets of clamping rods.

[0006] As a further preferred embodiment of this technical solution, a bidirectional screw is rotatably installed inside the mounting rod. The two ends of the bidirectional screw pass through two corresponding sets of first telescopic rods and are threadedly connected to the two sets of first telescopic rods respectively. Each set of first telescopic rods is provided with a helical tube, and a second bevel gear is provided inside the mounting rod.

[0007] As a further preferred embodiment of this technical solution, two sets of symmetrically distributed slots are provided at both ends of the bidirectional screw, and two sets of symmetrically distributed locking blocks are provided in each set of the screw tubes. The locking blocks are arranged correspondingly to the slots, and the two sets of screw tubes are slidably sleeved with the bidirectional screw through the locking blocks.

[0008] As a further preferred embodiment of this technical solution, the screw tube passes through the corresponding first telescopic rod and is rotatably connected to the first telescopic rod via a bearing, and the screw tube passes through the corresponding second telescopic rod and is threadedly connected to the second telescopic rod.

[0009] As a further preferred embodiment of this technical solution, a first bevel gear is sleeved on the bidirectional screw, and a second bevel gear is rotatably connected to the mounting rod via a rotating shaft, with the second bevel gear meshing with the first bevel gear.

[0010] As a further preferred embodiment of this technical solution, three sets of annularly distributed cover plates are fixedly installed on each of the two sets of positioning rings. A sliding groove is provided between the three sets of cover plates. The three sets of sliders are slidably connected to the cover plates through the sliding grooves. An installation plate is provided inside the positioning ring. The installation plate is rotatably connected to the positioning ring through a bearing. An annular tooth is fixedly installed on the installation plate. The three sets of sliders are meshed with the installation plate through the annular tooth. A rack is slidably installed inside the positioning ring. A cylinder is fixedly installed inside the positioning ring.

[0011] As a further preferred embodiment of this technical solution, a toothed ring is fitted onto the mounting plate, the rack meshes with the toothed ring, and the rack is connected to the output end of the cylinder piston rod.

[0012] This utility model provides a coupling protective sleeve, which has the following beneficial effects:

[0013] This utility model, through the installation ring and two sets of symmetrically distributed adjustment rings, completes the cover protection for different models of couplings under the action of the installation rod, the first telescopic rod and the second telescopic rod, effectively expanding the application range of the protective sleeve, so that couplings of different lengths can use the protective sleeve. Under the protection of the protective sleeve, the coupling is prevented from being damaged by hard sand particles and other impurities during use.

[0014] This invention uses two sets of positioning rings and three sets of ring-shaped clamping rods on the positioning rings to fix both ends of the coupling, thereby achieving a fixed installation of the protective sleeve on the coupling. The distance between the three sets of clamping rods can be adjusted according to the actual size of the coupling, so that the protective sleeve can cover and fix the coupling not limited to a specific size of coupling, preventing it from sliding off the coupling during use. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a cross-sectional schematic diagram of the adjusting ring of this utility model;

[0017] Figure 3 This is a schematic diagram showing the structural separation of the positioning ring of this utility model;

[0018] Figure 4 This is a cross-sectional view of the mounting rod of this utility model.

[0019] In the diagram: 1. Mounting ring; 2. Adjusting ring; 3. Positioning ring; 4. Cover plate; 5. Slide groove; 6. Mounting disc; 7. Clamping rod; 8. Slider; 9. Ring gear; 10. Gear ring; 11. Rack; 12. Cylinder; 13. Telescopic tube; 14. Mounting rod; 15. First telescopic rod; 16. Second telescopic rod; 17. Bidirectional screw; 18. Screw tube; 19. Slot; 20. Locking block; 21. First bevel gear; 22. Second bevel gear. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0021] This utility model provides a technical solution: such as Figure 1 , Figure 2 and Figure 4As shown, in this embodiment, a coupling protective sleeve includes a mounting ring 1. Two sets of symmetrically distributed adjusting rings 2 are provided on both sides of the mounting ring 1. Two sets of symmetrically distributed positioning rings 3 are also provided on both sides of the mounting ring 1. The two sets of positioning rings 3 are correspondingly arranged with the adjusting rings 2, and are respectively rotatably engaged with their corresponding adjusting rings 2. A telescopic tube 13 is provided between the mounting ring 1 and the two sets of adjusting rings 2. The two ends of the telescopic tube 13 are respectively fixedly connected to the corresponding adjusting ring 2 and the mounting ring 1. Two sets of symmetrically distributed mounting rods 14 are fixedly installed on the mounting ring 1, and two sets of symmetrically distributed positioning rings 14 are slidably installed within each of the two sets of mounting rods 14. The first telescopic rod 15 of the fabric has two sets of first telescopic rods 15, each with a second telescopic rod 16 slidably installed inside. The ends of the two sets of second telescopic rods 16 away from the mounting rod 14 are respectively fixedly connected to the corresponding adjusting rings 2. The positioning ring 3 has three sets of annularly distributed clamping rods 7, and each of the three sets of clamping rods 7 has a slider 8 fixedly installed on it. A bidirectional screw 17 is rotatably installed inside the mounting rod 14. The two ends of the bidirectional screw 17 pass through the two sets of corresponding first telescopic rods 15 and are threadedly connected to the two sets of first telescopic rods 15 respectively. Each set of first telescopic rods 15 has a screw tube 18 inside. The mounting rod 14 has a second bevel gear 22 inside. Based on the actual length of the installed coupling, the motor in the mounting rod 14 is started to drive the rotation of the second bevel gear 22. The second bevel gear 22 meshes with the first bevel gear 21, and the first bevel gear 21 drives the bidirectional screw 17 to rotate. Under the limiting action of the locking block 20 and the locking groove 19, the two sets of screw tubes 18 rotate synchronously with the bidirectional screw 17. Under the limiting action of the mounting rod 14 and the first telescopic rod 15, the two sets of second telescopic rods 16 slide synchronously inward or outward, pushing the two sets of adjusting rings 2 and the positioning rings 3 rotatably mounted on the adjusting rings 2 synchronously inward or outward to conform to the length of the protected coupling. Both ends of the bidirectional screw 17 are opened. There are two sets of symmetrically distributed slots 19. Each of the two sets of screw tubes 18 is provided with two sets of symmetrically distributed locking blocks 20. The locking blocks 20 are correspondingly arranged with the slots 19. Both sets of screw tubes 18 are slidably sleeved with the bidirectional screw 17 through the locking blocks 20. The screw tube 18 passes through the corresponding first telescopic rod 15 and is rotatably connected to the first telescopic rod 15 through a bearing. The screw tube 18 passes through the corresponding second telescopic rod 16 and is threadedly connected to the second telescopic rod 16. A first bevel gear 21 is sleeved on the bidirectional screw 17. The second bevel gear 22 is rotatably connected to the mounting rod 14 through a rotating shaft. The second bevel gear 22 and the first bevel gear 21 are meshed together.

[0022] like Figure 1 , Figure 2 and Figure 3As shown, three sets of annularly distributed cover plates 4 are fixedly installed on each of the two sets of positioning rings 3. A sliding groove 5 is provided between each of the three sets of cover plates 4. The three sets of sliders 8 are slidably connected to the cover plates 4 through the sliding grooves 5. A mounting plate 6 is provided inside the positioning ring 3. The mounting plate 6 is rotatably connected to the positioning ring 3 through a bearing. An annular tooth 9 is fixedly installed on the mounting plate 6. The three sets of sliders 8 are all meshed with the mounting plate 6 through the annular tooth 9. A rack 11 is slidably installed inside the positioning ring 3. A cylinder 12 is fixedly installed inside the positioning ring 3. A gear ring 10 is sleeved on the mounting plate 6. The rack 11 is meshed with the gear ring 10. The rack 11 is connected to the output end of the piston rod of the cylinder 12. The cylinder 12 in the positioning ring 3 drives the rack 11 to slide, which, in conjunction with the gear ring 10, causes the mounting plate 6 to rotate. The mounting plate 6 drives the ring gear 9 to rotate. Under the limiting action of the sliding groove 5, the three sets of sliders 8 drive the three sets of clamping rods 7 to slide inward synchronously until the clamping rods 7 are in contact with the side wall of the coupling, thus completing the fixation of the coupling.

[0023] This utility model provides a coupling protective sleeve, the specific working principle of which is as follows: According to the actual length of the installed coupling, the motor in the mounting rod 14 is started to drive the rotation of the second bevel gear 22. The second bevel gear 22 meshes with the first bevel gear 21. The first bevel gear 21 drives the bidirectional screw 17 to rotate. Under the limiting action of the locking block 20 and the locking groove 19, the two sets of screw tubes 18 rotate synchronously with the bidirectional screw 17. Under the limiting action of the mounting rod 14 and the first telescopic rod 15, the two sets of second telescopic rods 16 slide synchronously inward or outward, pushing the two sets of adjusting rings 2 and the positioning rings 3 rotatably mounted on the adjusting rings 2 synchronously inward or outward to conform to the length of the protected coupling. The cylinder 12 in the positioning ring 3 drives the rack 11 to slide, which, in conjunction with the gear ring 10, causes the mounting plate 6 to rotate. The mounting plate 6 drives the ring gear 9 to rotate. Under the limiting action of the sliding groove 5, the three sets of sliders 8 drive the three sets of clamping rods 7 to slide synchronously inward until the clamping rods 7 are in contact with the side wall of the coupling, thus completing the fixing of the coupling.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coupling protective sleeve, characterized in that: The system includes a mounting ring (1), on which two sets of symmetrically distributed adjusting rings (2) are provided on both sides. Two sets of symmetrically distributed positioning rings (3) are also provided on both sides of the mounting ring (1). The two sets of positioning rings (3) correspond to the adjusting rings (2), and are respectively rotatably engaged with their respective adjusting rings (2). A telescopic tube (13) is provided between the mounting ring (1) and the two sets of adjusting rings (2). Both ends of the telescopic tube (13) are fixedly connected to the corresponding adjusting ring (2) and the mounting ring (1), respectively. Two sets of symmetrically distributed mounting rods (14) are fixedly installed on the mounting ring (1). Two sets of symmetrically distributed first telescopic rods (15) are slidably installed in each of the two sets of mounting rods (14). Two sets of second telescopic rods (16) are slidably installed in each of the two sets of first telescopic rods (15). The ends of the two sets of second telescopic rods (16) away from the mounting rods (14) are respectively fixedly connected to the corresponding adjusting rings (2). Three sets of annularly distributed clamping rods (7) are provided on the positioning ring (3). A slider (8) is fixedly installed on each of the three sets of clamping rods (7).

2. The coupling protective sleeve according to claim 1, characterized in that: A bidirectional screw (17) is rotatably installed inside the mounting rod (14). The two ends of the bidirectional screw (17) pass through two corresponding sets of first telescopic rods (15) and are threadedly connected to the two sets of first telescopic rods (15). Both sets of first telescopic rods (15) are provided with a screw tube (18). A second bevel gear (22) is provided inside the mounting rod (14).

3. A coupling protective sleeve according to claim 2, characterized in that: The two ends of the bidirectional screw (17) are provided with two sets of symmetrically distributed slots (19), and the two sets of screw tubes (18) are provided with two sets of symmetrically distributed blocks (20). The blocks (20) are correspondingly arranged with the slots (19), and the two sets of screw tubes (18) are slidably connected to the bidirectional screw (17) through the blocks (20).

4. A coupling protective sleeve according to claim 2, characterized in that: The screw tube (18) passes through the corresponding first telescopic rod (15) and is rotatably connected to the first telescopic rod (15) through a bearing. The screw tube (18) passes through the corresponding second telescopic rod (16) and is threadedly connected to the second telescopic rod (16).

5. A coupling protective sleeve according to claim 2, characterized in that: The bidirectional screw (17) is fitted with a first bevel gear (21), and the second bevel gear (22) is rotatably connected to the mounting rod (14) via a rotating shaft. The second bevel gear (22) meshes with the first bevel gear (21).

6. A coupling protective sleeve according to claim 1, characterized in that: Three sets of annularly distributed cover plates (4) are fixedly installed on both sets of positioning rings (3). Slide grooves (5) are provided between the three sets of cover plates (4). The three sets of sliders (8) are slidably connected to the cover plates (4) through the slide grooves (5). An installation plate (6) is provided inside the positioning ring (3). The installation plate (6) is rotatably connected to the positioning ring (3) through a bearing. An annular tooth (9) is fixedly installed on the installation plate (6). The three sets of sliders (8) are meshed with the installation plate (6) through the annular tooth (9). A rack (11) is slidably installed inside the positioning ring (3). A cylinder (12) is fixedly installed inside the positioning ring (3).

7. A coupling protective sleeve according to claim 6, characterized in that: A toothed ring (10) is fitted onto the mounting plate (6), and the rack (11) is meshed with the toothed ring (10). The rack (11) is connected to the output end of the piston rod of the cylinder (12).

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