A connecting device and a water isolation curtain

Abstract

This invention provides a connecting device and a waterproof curtain wall. The connecting device includes a cable sleeve and at least one roller sleeve fitted on the cable sleeve. The cable sleeve has an axially penetrating cable hole. The roller sleeve is rotatably connected to the cable sleeve via ball bearings, with multiple ball bearings evenly distributed around the circumference of the roller sleeve. The roller sleeve has a collar that rotates around an X-axis, with a connection port at the end of the collar away from the roller sleeve. The X-axis is perpendicular to the axis of the cable sleeve. This invention, by providing ball bearings between the cable sleeve and the roller sleeve fitted outside the cable sleeve, and by providing a collar that rotates around the X-axis on the roller sleeve, enables circumferential and axial rotation of the cable mounted on the collar. This allows for adaptation to water level changes, improves its load-bearing capacity, provides more flexible operation, meets the requirements of high-load, large-amplitude adjustment applications, and reduces deformation of the cable end near the connecting device.

Description

Technical Field

[0001] This utility model relates to the field of water conservancy and hydropower engineering technology, and in particular to a connecting device and a water-proof curtain wall. Background Technology

[0002] In water conservancy and hydropower projects, traction-type waterproof curtain walls are an important water conservancy facility, widely used in scenarios such as reservoir stratified water intake and low-temperature water treatment. Existing waterproof curtain walls include a curtain, horizontally connected cables to the curtain, and longitudinal cables located on both sides of the curtain. The cables are connected to the longitudinal cables via connecting devices.

[0003] Existing connection devices are mostly fixed structures. Under high water level fluctuation conditions, this type of fixed connection device cannot be vertically adjusted with changes in water level. Especially when the water level fluctuation is large, this rigid connection device makes the part of the cable near the connection device prone to large-angle bending, leading to material fatigue damage and even connection failure.

[0004] In addition, the existing connection devices have insufficient load-bearing capacity and cannot cope with high-load conditions. When water conservancy projects face strong water flow impacts or heavy load traction, the existing connection devices are prone to structural deformation and breakage. Utility Model Content

[0005] The purpose of this utility model is to provide a connecting device and a waterproof curtain wall to reduce cable deformation, improve load-bearing capacity, and avoid structural deformation.

[0006] The technical solution of this utility model is: a connecting device, including a cable sleeve and at least one roller sleeve fitted on the cable sleeve, the cable sleeve having an axially penetrating cable hole, the roller sleeve being rotatably connected to the cable sleeve by ball bearings, the ball bearings being evenly distributed in a plurality of them in the circumferential direction of the roller sleeve; the roller sleeve having a collar that rotates around an X-axis, the end of the collar away from the roller sleeve having a connection port, the X-axis being perpendicular to the axis of the cable sleeve.

[0007] In the above scheme, ball bearings are set between the cable sleeve and the roller sleeve set outside the cable sleeve, and a collar rotating around the X-axis is set on the roller sleeve. This enables the cable installed on the collar to rotate circumferentially and axially, adapt to water level changes, improve its load-bearing capacity, operate more flexibly, meet the application scenarios of high load and large adjustment, and reduce the deformation of the cable end near the connecting device.

[0008] Preferably, the cable sleeve includes at least one mounting shaft and at least two limiting discs, with one mounting shaft disposed between the at least two limiting discs, and the roller sleeve is fitted onto the mounting shaft.

[0009] Preferably, the diameter of the limiting disc is larger than the diameter of the roller sleeve.

[0010] Preferably, a first annular groove protrudes from the outer circumference of the cable sleeve, and a second annular groove is provided on the roller sleeve that is adapted to the first annular groove. A portion of the ball is installed in the first annular groove, and the other portion of the ball extends out from the first annular groove and contacts the second annular groove.

[0011] Preferably, the roller sleeve is provided with two support arms spaced apart along the X direction, and a connecting shaft is installed between the two support arms. One end of the collar is rotatably connected to the connecting shaft, and the axis of the connecting shaft is the X-axis.

[0012] To facilitate the rotation of the collar around the X-axis without jamming, the distance between the two arms is greater than the thickness of the collar.

[0013] Preferably, the sling and collar are made of high-strength, corrosion-resistant, smooth metal.

[0014] Preferably, the circumferentially arranged plurality of balls are arranged in at least two groups along the axial direction of the roller sleeve.

[0015] Preferably, the longitudinal section of the cable loop is I-shaped.

[0016] This utility model also provides a waterproof curtain wall, including a curtain, at least one cable horizontally connected to the curtain, longitudinal cables located on both sides of the curtain, and the above-mentioned connecting device. The longitudinal cables are fitted into the cable holes, and at least one cable is connected to at least one of the connecting ports in a one-to-one correspondence.

[0017] Compared with related technologies, the beneficial effects of this utility model are as follows: I. This utility model sets ball bearings between the cable sleeve and the roller sleeve fitted outside the cable sleeve, and sets a collar on the roller sleeve that rotates around the X-axis. This enables the cable installed on the collar to rotate circumferentially and axially, adapt to water level changes, improve its load-bearing capacity, operate more flexibly, and meet the application scenarios of high load and large adjustment. II. This utility model can realize circumferential rotation, axial rotation and X-direction movement of the cable, forming multi-degree-of-freedom displacement, improving the flexibility of the cable, reducing the risk of material fatigue near the end of the cable connecting the device, and reducing cable deformation; Third, this utility model is equipped with a roller sleeve for installing the cable on the cable sleeve, which can realize multi-cable traction and has high combination flexibility; Fourth, this utility model incorporates ball bearings, providing better protection during water-related operations and extending their service life. Attached Figure Description

[0018] Figure 1 This is a front view structural diagram of the connecting device provided by this utility model; Figure 2This is a top view of the connecting device provided by this utility model.

[0019] In the attached diagram: 1. Cable sleeve; 11. Cable hole; 12. Mounting shaft; 13. Limiting disc; 2. Roller sleeve; 3. First annular groove; 4. Ball bearing; 5. Connecting shaft; 6. Collar; 61. Connecting port; 7. Second annular groove. Detailed Implementation

[0020] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in the embodiments of the present invention can be combined with each other. For ease of description, the terms "upper," "lower," "left," and "right" appearing below only indicate that they correspond to the upper, lower, left, and right directions in the accompanying drawings and do not limit the structure.

[0021] like Figure 1 , Figure 2 As shown, the connecting device provided in this embodiment includes a cable sleeve 1, a roller sleeve 2, a ball bearing 4, a connecting shaft 5, and a collar 6.

[0022] The cable sleeve 1 is a hollow cylindrical tube with a through cable hole 11 inside. The cable sleeve 1 is made of high-strength, corrosion-resistant metal. The cable sleeve 1 includes at least one mounting shaft 12 and at least two limiting discs 13, with one mounting shaft 12 positioned between the at least two limiting discs 13. The roller sleeve 2 is fitted onto the mounting shaft 12. The diameter of the limiting disc 13 is larger than the diameter of the mounting shaft 12, making the longitudinal section (axial section) of the cable sleeve 1 I-shaped, which is used to axially limit the roller sleeve 2.

[0023] The mounting shaft 12 has a first annular groove 3 protruding from its outer circular surface, and two of the first annular grooves 3 are arranged in the axial direction of the mounting shaft 12.

[0024] The roller sleeve 2 is a hollow cylindrical tube, which is fitted onto the outside of the mounting shaft 12. The inner wall of the roller sleeve 2 has a second annular groove 7 that matches the first annular groove 3. Part of the ball bearing 4 is installed in the first annular groove 3, and another part of the ball bearing 4 extends out of the first annular groove 3 and contacts the second annular groove 7. Multiple balls bearing 4 are evenly distributed circumferentially on the roller sleeve 2. These circumferentially arranged balls bearing 4 are arranged in two sets axially on the roller sleeve 2.

[0025] The ball bearings 4 are made of high-strength, corrosion-resistant, smooth metal and are installed inside the trough for use in water-related operations. The roller sleeve 2 can rotate axially relative to the cable sleeve 1 via the ball bearings 4, reducing wear between the roller sleeve 2 and the cable sleeve 1 when axial rotation occurs.

[0026] The roller sleeve 2 is provided with two support arms 21 spaced apart along the X-direction. A connecting shaft 5 is installed between the two support arms 21. One end of the collar 6 is rotatably connected to the connecting shaft 5, and the axis of the connecting shaft 5 is the X-axis. The distance between the two support arms 21 is greater than the thickness of the collar 6 (slightly greater), so that the collar 6 is fitted between the two support arms 21 with a gap, allowing the collar 6 to rotate around the X-axis without jamming. The connecting shaft 5 is made of high-strength corrosion-resistant metal.

[0027] The roller sleeve 2 is provided with a collar 6 that rotates around the X-axis. The end of the collar 6 away from the roller sleeve 2 is provided with a connecting port 61, which is a through hole for connecting to the cable. The X-axis is perpendicular to the axis of the cable sleeve 1.

[0028] The collar 6 is made of high-strength corrosion-resistant metal, and both ends are provided with rounded chamfers, which can reduce wear between the metal structure and the flexible structure and protect the flexible structure.

[0029] High-strength, corrosion-resistant, smooth metals, such as precious metals or alloys (stainless steel or 316 stainless steel containing molybdenum).

[0030] This utility model also provides a waterproof curtain wall, including a curtain, at least one cable horizontally connected to the curtain, longitudinal cables located on both sides of the curtain, and the above-mentioned connecting device. The longitudinal cables are fitted into the cable holes 11, and at least one cable is connected to at least one connection port 61 in a one-to-one correspondence.

[0031] The longitudinal cable passes through the cable hole 11 and maintains relative stability by relying on the frictional force with the inner wall of the cable hole 11. The number of roller sleeves 2 set on the cable sleeve 1 can be selected according to actual needs, such as setting two to achieve dual-cable traction, or multiple to achieve multi-cable traction, thereby improving the stability of the traction device.

[0032] This invention incorporates ball bearings between a cable sleeve and a roller sleeve fitted over the cable sleeve, and a collar rotating around the X-axis on the roller sleeve. This allows for circumferential and axial rotation of the cable mounted on the collar, adapting to water level changes, improving its load-bearing capacity, and enhancing operational flexibility to meet the demands of high-load, high-amplitude adjustment applications. This invention enables circumferential, axial, and X-axis movement of the cable, creating multi-degree-of-freedom displacement, improving cable flexibility, reducing material fatigue risks near the connecting device end, and minimizing cable deformation. The roller sleeve on the cable sleeve allows for multi-cable traction and high combination flexibility. The embedded ball bearings provide better protection during water-related operations, extending the cable's service life.

[0033] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of this disclosure, even when only a single embodiment is described with respect to a particular feature. The examples of features provided in this disclosure are intended to be illustrative and not limiting, unless otherwise stated. In practice, one or more technical features of the dependent claims may be combined with technical features of the independent claims, and may be derived from the technical features of the respective independent claims in any suitable manner, not only by the specific combinations listed in the claims. While the above disclosure is provided, it is not limited thereto. Any person skilled in the art may make various alterations and modifications without departing from the spirit and scope of this disclosure; therefore, the scope of protection of this disclosure shall be determined by the scope defined in the claims.

[0034] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A connecting device, characterized in that, It includes a cable sleeve (1) and at least one roller sleeve (2) fitted on the cable sleeve (1). The cable sleeve (1) has an axially penetrating cable hole (11). The roller sleeve (2) is rotatably connected to the cable sleeve (1) by ball bearings (4). Multiple ball bearings (4) are evenly distributed in the circumferential direction of the roller sleeve (2). The roller sleeve (2) is provided with a collar (6) that rotates around the X-axis. The end of the collar (6) away from the roller sleeve (2) is provided with a connection port (61). The X-axis is perpendicular to the axis of the cable sleeve (1).

2. The connecting device according to claim 1, characterized in that, The cable sleeve (1) includes at least one mounting shaft (12) and at least two limiting discs (13), with one mounting shaft (12) disposed between the at least two limiting discs (13), and the roller sleeve (2) is fitted onto the mounting shaft (12).

3. The connecting device according to claim 2, characterized in that, The diameter of the limiting disk (13) is greater than the diameter of the roller sleeve (2).

4. The connecting device according to claim 1, characterized in that, The outer circumference of the cable sleeve (1) is provided with a first annular groove (3), and the roller sleeve (2) is provided with a second annular groove (7) that is adapted to the first annular groove (3). A part of the ball (4) is installed in the first annular groove (3), and the other part of the ball (4) extends out from the first annular groove (3) and contacts the second annular groove (7).

5. The connecting device according to claim 1, characterized in that, The roller sleeve (2) is provided with two support arms (21) spaced apart along the X direction. A connecting shaft (5) is installed between the two support arms (21). One end of the collar (6) is rotatably connected to the connecting shaft (5). The axis of the connecting shaft (5) is the X axis.

6. The connecting device according to claim 5, characterized in that, The distance between the two arms (21) is greater than the thickness of the collar (6).

7. The connecting device according to claim 1, characterized in that, The cable sleeve (1) and collar (6) are made of high-strength, corrosion-resistant, smooth metal.

8. The connecting device according to claim 1, characterized in that, The circumferentially arranged balls (4) are arranged in at least two sets in the axial direction of the roller sleeve (2).

9. The connecting device according to claim 1, characterized in that, The longitudinal section of the cable sleeve (1) is I-shaped.

10. A waterproof curtain wall, comprising a curtain, at least one cable transversely connected to the curtain, and longitudinal cables located on both sides of the curtain, characterized in that, It also includes a connecting device as described in any one of claims 1-9, wherein the longitudinal cable is fitted into the cable hole (11), and at least one of the cables is connected to at least one of the connecting ports (61) in a one-to-one correspondence.

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