A mobile cable clamp for erecting a stiffened beam

Abstract

The application discloses a mobile cable clamp capable of erecting a stiffened beam, and relates to the technical field of bridge cable clamps.The device comprises a cable clamp body, which comprises a detachably connected upper half cable clamp body and a lower half cable clamp body, the upper half cable clamp body and the lower half cable clamp body are connected, and the upper half cable clamp body and the lower half cable clamp body are each provided with a semicircular groove for forming a through hole through which a main cable passes; a roller device is detachably arranged on the upper half cable clamp body to form a gap between the upper half cable clamp body and the main cable, so that the cable clamp body can roll on the main cable. When the mobile cable clamp is used, the upper half cable clamp body and the lower half cable clamp body are assembled on the main cable, the roller device is installed, the tension of the stiffened beam on the cable clamp body is converted into the pressure of the roller device on the main cable, the roller device makes the cable clamp body roll on the main cable, the friction between the cable clamp body and the main cable is reduced, the main cable and the cable clamp body are protected, and the safety is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bridge cable clamp, in particular to a mobile cable clamp capable of erecting stiffened girder. BACKGROUND

[0002] Large bridge engineering is a key node of traffic infrastructure and an important support for China to become a traffic power. In the field of expressway and high-speed railway, there will be a large number of bridge construction tasks in the western region of China, and the bridge sites of these bridges are mostly in dangerous mountainous areas, and some even need to cross valleys. As a suspension bridge with large crossing capacity and beautiful shape, it has become the first choice for bridge structure type across the valley in the dangerous mountainous area.

[0003] At present, the main methods for installing and erecting stiffened girder of suspension bridge are bridge deck crane method, cable crane erection method, cable crane erection method, oscillation method and rail cable sliding method. The cable crane erection method and the oscillation method are mainly suitable for rivers, lakes and seas, and are not suitable for deep mountain valleys. The cable crane erection method and the rail cable sliding method have high requirements for the construction site environment, and if the span of the suspension bridge exceeds 900 meters, the economy and safety of the above methods are poor. At the same time, the official website of the State Intellectual Property Office discloses a construction method for erecting stiffened girder by using a mobile cable clamp (application number 201911082841.0). The method uses the cable clamp and the sling components of the upper structure of the suspension bridge to slide on the main cable to erect the stiffened girder, without the help of any crane.

[0004] The suspension bridge cable clamp in the prior art is in overall contact with the main cable during bridge installation, and if the above construction method for erecting stiffened girder by using a mobile cable clamp is used, a large friction force will be generated, which may damage the main cable or the cable clamp and cause a large safety hazard. SUMMARY

[0005] In view of the defects in the prior art, the purpose of the present application is to provide a mobile cable clamp capable of erecting stiffened girder, which can solve the problem that the inner wall of the cable clamp is in overall contact with the main cable during bridge installation in the prior art, and if the above construction method for erecting stiffened girder by using a mobile cable clamp is used, a large friction force will be generated, which may damage the main cable or the cable clamp and cause a large safety hazard.

[0006] To achieve the above purpose, the technical scheme adopted by the present application is:

[0007] A mobile cable clamp capable of erecting stiffened girder is provided, which comprises:

[0008] The cable clamp body comprises an upper half cable clamp body and a lower half cable clamp body which are detachably connected, and each of the upper half cable clamp body and the lower half cable clamp body is provided with a semicircular groove for forming a through hole through which the main cable passes.

[0009] A roller device is detachably arranged on the upper half cable clamp body to form a gap between the upper half cable clamp body and the main cable, so that the cable clamp body can roll on the main cable.

[0010] On the basis of the above technical solutions,

[0011] In some optional solutions, the roller device comprises:

[0012] Two groups of roller mounting plates are arranged on the upper half cable clamp body and located on both sides of the main cable;

[0013] At least one roller rolling body comprises a rolling part and a connecting part at both ends, the roller rolling body is located between the two groups of roller mounting plates and is used to abut on the main cable to form a gap between the upper half cable clamp body and the main cable, and the connecting parts at both ends are rotatably arranged in the two groups of roller mounting plates.

[0014] In some optional solutions, the connecting part is a stepped shaft, the roller mounting plate is provided with a through hole, the bearing is clamped in the through hole, and the stepped shaft extends into the through hole and is connected with the bearing.

[0015] In some optional solutions, the roller mounting plate is provided with a bearing pressing plate which is located on the side of the bearing away from the roller rolling body.

[0016] In some optional solutions, the roller mounting plate is provided with a stepped hole with a small hole for mounting the bearing and a large hole for mounting the bearing pressing plate.

[0017] In some optional solutions, the roller mounting plate comprises:

[0018] In some optional solutions, the roller mounting plate comprises:

[0019] A base plate is detachably arranged on the upper half cable clamp body;

[0020] A pressing plate is connected and arranged above the base plate for mounting the roller rolling body in cooperation with the base plate.

[0021] In some optional solutions, the upper half cable clamp body comprises:

[0022] Two stepped connection parts are arranged on both sides of the main cable, and each of the stepped connection parts comprises a high step in the middle and low steps on both sides of the high step, and the low steps are used for mounting the base plate.

[0023] An upper cable clamp clamping part is connected to the high steps of the two stepped connection parts.

[0024] In some optional solutions, a top cover is arranged on the low steps after the removal of the roller device.

[0025] In some optional solutions, a traction hole is arranged on the lower cable clamp clamping part for connecting a traction rope.

[0026] Compared with the prior art, the advantages of the present application are that:

[0027] When the mobile cable clamp is used, the upper cable clamp clamping part and the lower cable clamp clamping part are assembled on the main cable, the roller device is mounted on the upper cable clamp clamping part, and a gap is left between the upper cable clamp clamping part and the main cable to enable the cable clamp clamping part to roll on the main cable. Through the connection between the roller device and the cable clamp clamping part, the tension of the stiffening beam on the cable clamp clamping part is converted into the pressure of the roller device on the main cable, and the rolling movement of the cable clamp clamping part on the main cable by the roller device can reduce the friction between the cable clamp clamping part and the main cable caused by the pressure, thereby protecting the main cable and the cable clamp clamping part and improving the safety. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. 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.

[0029] Figure 1 FIG. 1 is a structural schematic diagram of an embodiment of the mobile cable clamp according to the present application;

[0030] Figure 2 FIG. 2 is a side structural schematic diagram of the embodiment of the mobile cable clamp according to the present application;

[0031] Figure 3 FIG. 3 is a structural schematic diagram of the upper cable clamp clamping part of the embodiment of the mobile cable clamp according to the present application;

[0032] Figure 4 FIG. 4 is a structural schematic diagram of the roller rolling body of the embodiment of the mobile cable clamp according to the present application;

[0033] Figure 5This is a schematic diagram of the top cover of an embodiment of a movable cable clamp capable of mounting stiffening beams according to the present invention.

[0034] In the diagram: 1. Main cable; 2. Cable clamp body; 21. Upper cable clamp body; 211. Stepped connecting part; 212. Upper cable clamp holding part; 22. Lower cable clamp body; 221. Traction hole; 3. Idler roller device; 31. Idler roller mounting plate; 311. Bearing pressure plate; 312. Stepped hole; 313. Base plate; 314. Pressure plate; 32. Idler roller rolling element; 321. Connecting part; 322. Rolling part; 33. Bearing; 4. Top cover; 5. Screw; 6. Nut; 7. Washer. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0036] The following detailed description, in conjunction with the accompanying drawings, provides an embodiment of the movable cable clamp capable of supporting stiffening beams according to the present invention.

[0037] like Figure 1 As shown, a movable cable clamp capable of supporting a stiffening beam includes: a cable clamp body 2 and a roller device 3. The cable clamp body 2 includes an upper cable clamp body 21 and a lower cable clamp body 22 that are detachably connected. The upper cable clamp body 21 and the lower cable clamp body 22 are connected, and both the upper cable clamp body 21 and the lower cable clamp body 22 are provided with semi-circular grooves to cooperate in forming a through hole through which the main cable 1 passes. The roller device 3 is detachably mounted on the upper cable clamp body 21 to form a gap between the upper cable clamp body 21 and the main cable 1, so that the cable clamp body 2 can roll on the main cable 1.

[0038] When using this movable cable clamp, the upper half cable clamp body 21 and the lower half cable clamp body 22, which are detachably connected, are assembled onto the main cable 1. The idler roller device 3 is installed on the upper half cable clamp body 21, leaving a gap between the upper half cable clamp body 21 and the main cable 1, so that the cable clamp body 2 can roll on the main cable 1. Through the connection between the idler roller device 3 and the cable clamp body 2, the tension of the stiffening beam on the cable clamp body 2 is converted into the pressure of the idler roller device 3 on the main cable 1. The idler roller device 3 causes the cable clamp body 2 to roll on the main cable 1, which can reduce the friction between the cable clamp body 2 and the main cable 1 caused by the pressure, which is beneficial to protecting the main cable 1 and the cable clamp body 2 and improving safety.

[0039] like Figure 1Or 4, in some alternative embodiments, the roller device 3 comprises two groups of roller mounting plates 31 and at least one roller rolling body 32, the two groups of roller mounting plates 31 are arranged on the upper half cable clamp body 21 and located on both sides of the main cable 1, and the roller rolling body 32 comprises a rolling part 322 and a connecting part 321 at both ends, the rolling part 322 is located between the two groups of roller mounting plates 31 and is used to abut on the main cable 1, so that a gap is formed between the upper half cable clamp body 21 and the main cable 1, and the connecting part 321 at both ends is rotatably arranged in the two groups of roller mounting plates 31.

[0040] In this embodiment, the specific structure of the roller device 3 is described, two roller mounting plates 31 are arranged on both sides of the main cable 1, and the roller rolling body 32 located on the main cable 1 is arranged at a set position between the two roller mounting plates 31, the connecting part 321 of the roller rolling body 32 extends into the roller mounting plate 31 and is rotatably arranged in the two groups of roller mounting plates 31, and the rolling part 322 is used to abut on the main cable 1, so that a gap is formed between the upper half cable clamp body 21 and the main cable 1, and the cable clamp body 2 rolls on the main cable 1.

[0041] As shown in Figure 1 In some alternative embodiments, the connecting part 321 is rotatably arranged in the two roller mounting plates 31 through the bearing 33.

[0042] In this embodiment, one end of the connecting part 321 extends into the bearing 33, the bearing 33 is clamped in the roller mounting plate 31, and the rolling of the roller rolling body 32 is realized through the rotation of the inner ring of the bearing 33, which is simple in rotation mode and good in implementation effect.

[0043] As shown in Figure 1 In some alternative embodiments, the connecting part 321 is a stepped shaft, the roller mounting plate 31 is provided with a through hole, the bearing 33 is clamped in the through hole, and the stepped shaft extends into the through hole and is connected with the bearing 33.

[0044] In this embodiment, the through hole is provided on the roller mounting plate 31, the bearing 33 is clamped in the through hole, which can facilitate the observation of the use state of the bearing 33, the connecting part 321 at one end of the roller rolling body 32 is a stepped shaft, the stepped shaft extends into the through hole and is connected with the bearing 33, the small diameter part of the stepped shaft extends into the bearing 33, and the large diameter part is in the through hole, the connecting part 321 can be better connected with the bearing 33, the structure is more stable, and the position of the roller rolling body 32 is facilitated to be positioned.

[0045] As shown in Figure 1 In some alternative embodiments, the roller mounting plate 31 is provided with a bearing pressing plate 311, which is located on the side of the bearing 33 away from the roller rolling body 32.

[0046] In the embodiment, the bearing pressing plate 311 is arranged on the side of the bearing 33 away from the supporting roller body 32, and the bearing pressing plate 311 is arranged on the supporting roller mounting plate 31, so that the bearing 33 can be prevented from being affected by the external environment, the bearing 33 can be protected to a certain extent, the bearing 33 can be prevented from moving in the axial direction after being pressed, and the safety of the mobile cable clamp can be improved.

[0047] As shown in Figure 1 In some optional embodiments, the supporting roller mounting plate 31 is provided with a stepped hole 312 with a small inner side and a large outer side, the small hole is used for mounting the bearing 33, and the large hole is used for mounting the bearing pressing plate 311.

[0048] In the embodiment, the through hole on the supporting roller mounting plate 31 is arranged as a stepped hole 312 with a small inner side and a large outer side, the small hole on the inner side is used for mounting the bearing 33, and the large hole on the outer side is used for mounting the bearing pressing plate 311, so that the bearing pressing plate 311 can better protect the bearing 33, and the safety of the mobile cable clamp can be improved.

[0049] As shown in Figure 1 In some optional embodiments, the supporting roller mounting plate 31 comprises a base plate 313 and a pressing plate 314, the base plate 313 is detachably arranged on the upper half cable clamp clamp body 21, and the pressing plate 314 is connected and arranged above the base plate 313 and used for mounting the supporting roller body 32 in cooperation with the base plate 313.

[0050] In the embodiment, the specific structure of the supporting roller mounting plate 31 is described, the supporting roller mounting plate 31 is divided into two parts of the base plate 313 and the pressing plate 314, the base plate 313 is arranged at the designed position on the upper half cable clamp clamp body 21, and the pressing plate 314 is detachably arranged on the base plate 313 and used for positioning the supporting roller body 32, facilitating mounting of the supporting roller body 32, so that the supporting roller body 32 can roll on the main cable 1.

[0051] In other embodiments, the upper half cable clamp clamp body 21, the lower half cable clamp clamp body 22, the base plate 313 and the pressing plate 314 are connected by bolts, each part is provided with a through hole, the screw rod 5 passes through the through hole, the upper half cable clamp clamp body 21, the lower half cable clamp clamp body 22, the base plate 313 and the pressing plate 314 are connected together in cooperation with the nut 6, the gasket 7 is further mounted on the screw rod 5, the contact area can be increased, the pressure can be reduced, the parts and the screw can be protected, the device can be more convenient to disassemble and assemble, when the cable clamp clamp body 2 moves to the designed position and the supporting roller device 3 is removed, the screw rod 5 is locked, and the operation is more convenient.

[0052] As shown in Figure 3As shown in the figure, in some alternative embodiments, the upper half cable clamp clamp body 21 comprises two stepped connection parts 211 and an upper half cable clamp clamping part 212, the two stepped connection parts 211 are arranged on both sides of the main cable 1, the stepped connection part 211 comprises a high step in the middle and a low step on both sides of the high step, and the low step is used to install the base plate 313; the upper half cable clamp clamping part 212 connects the high steps of the two stepped connection parts 211.

[0053] In this embodiment, the upper half cable clamp clamp body 21 comprises two stepped connection parts 211 and an upper half cable clamp clamping part 212, the base plate 313 is installed on the low step of the stepped connection part 211, the rolling part of the roller rolling body 32 can be more gentle, the stress is more reasonable, and it can be better used to cooperate with the roller rolling body 32 to roll on the main cable 1, and the position of the roller device is facilitated.

[0054] As shown in the figure, Figure 5 In some alternative embodiments, a top cover 4 is further included, which is installed on the low step after the roller device 3 is removed.

[0055] In this embodiment, after the movable cable clamp reaches the designed position, the roller device 3 is removed, and then the top cover 4 is installed, the installation of the top cover 4 on the low step can make the connection between the top cover 4 and the upper half cable clamp clamping part 212 more closely, and the sealing performance is better, after the installation is completed, the sling on the cable clamp clamp body 2 is connected with the stiffening beam, and finally the erection of the stiffening beam is realized, and the use of the top cover 4 can play a role in reinforcing the movable cable clamp, so as to ensure the safety of the movable cable clamp when hoisting the stiffening beam.

[0056] As shown in the figure, Figure 1 In some alternative embodiments, the lower half cable clamp clamp body 22 is provided with a traction hole 221 for connecting a traction rope.

[0057] In this embodiment, the traction hole 221 is arranged on the lower half cable clamp clamp body 22, and a winch is arranged on the cable tower on the same side of the movable cable clamp, the traction rope emitted by the winch is connected with the traction hole 221, the movable cable clamp is uniformly moved to the designed hoisting position, and the safety of the movable cable clamp in rolling movement is ensured.

[0058] In summary, when the mobile cable clamp is used, the upper cable clamp body 21 and the lower cable clamp body 22 of the cable clamp body 2 are assembled on the main cable 1, the roller device 3 is installed on the cable clamp body 2, and the cable clamp body 2 is rolled on the main cable 1. Through the connection of the roller device 3 and the cable clamp body 2, the tension of the stiffening beam on the cable clamp body 2 is converted into the pressure of the roller rolling body 32 on the main cable 1, the roller rolling body 32 and the bearing 33 make the cable clamp body 2 roll on the main cable 1, the connecting part 321 of the roller rolling body 32 is designed as a stepped shaft, which is better connected with the bearing 33, the bearing pressing plate 311 is arranged on the side of the bearing 33 away from the roller rolling body 32, which can prevent the roller device 3 from being damaged and ensure the safety of the roller device 3, and the winch traction rope connected with the traction hole 221 makes the mobile cable clamp roll at a constant speed, which can reduce the friction between the cable clamp body 2 and the main cable 1, is conducive to protecting the main cable 1 and the cable clamp body 2, and improves the safety.

[0059] In the description of the present application, it should be noted that the terms "upper", "lower" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0060] It should be noted that in the present application, relational terms such as "first" and "second" and the like are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

[0061] The foregoing detailed description of the application has been presented for purposes of illustration and description. Various modifications and changes can be made to these embodiments without departing from the spirit and scope of the application. It is intended that the scope of the application should not be limited by the particular representative embodiments described above.

Claims

1. A movable cable clamp capable of supporting stiffening beams, characterized in that, include: The cable clamp body (2) includes an upper cable clamp body (21) and a lower cable clamp body (22) that are detachably connected. The upper cable clamp body (21) and the lower cable clamp body (22) are connected, and both the upper cable clamp body (21) and the lower cable clamp body (22) are provided with semi-circular grooves to cooperate in forming a through hole through which the main cable (1) passes. The idler roller device (3) is detachably mounted on the upper cable clamp body (21) to create a gap between the upper cable clamp body (21) and the main cable (1) so that the cable clamp body (2) can roll on the main cable (1); The idler roller device (3) includes: Two sets of idler roller mounting plates (31) are spaced apart on the upper half cable clamp body (21) and located on both sides of the main cable (1); At least one idler roller (32) includes a rolling part (322) and connecting parts (321) at both ends. The rolling part (322) is located between two sets of idler roller mounting plates (31) and is used to abut against the main cable (1) to form a gap between the upper cable clamp (21) and the main cable (1). The connecting parts (321) at both ends are rotatably disposed in the two sets of idler roller mounting plates (31). The idler roller mounting plate (31) includes: A base plate (313) is detachably mounted on the upper cable clamp body (21); A pressure plate (314) is connected and disposed above the base plate (313) for mounting the roller (32) in cooperation with the base plate (313). The upper cable clamp body (21) includes: Two stepped connecting parts (211) are used to be spaced apart on both sides of the main cable (1). The stepped connecting parts (211) include a high step in the middle and low steps on both sides. The low steps are used to install the base plate (313). The upper cable clamping part (212) connects to the upper step of the two stepped connecting parts (211).

2. The movable cable clamp capable of erecting stiffening beams as described in claim 1, characterized in that, The connecting part (321) is rotatably disposed within the two idler roller mounting plates (31) via bearings (33).

3. A movable cable clamp capable of erecting stiffening beams as described in claim 2, characterized in that, The connecting part (321) is a stepped shaft, the roller mounting plate (31) is provided with a through hole, the bearing (33) is installed in the through hole, and the stepped shaft extends into the through hole and connects with the bearing (33).

4. A movable cable clamp capable of erecting stiffening beams as described in claim 3, characterized in that, The idler roller mounting plate (31) is provided with a bearing pressure plate (311), which is located on the side of the bearing (33) away from the idler roller rolling element (32).

5. A movable cable clamp capable of erecting stiffening beams as described in claim 4, characterized in that, The roller mounting plate (31) is provided with stepped holes (312) with smaller inner holes and larger outer holes. The smaller holes are used to install the bearing (33), and the larger holes are used to install the bearing pressure plate (311).

6. A movable cable clamp capable of erecting stiffening beams as described in claim 1, characterized in that, It also includes a top cover (4) for installation on the lower platform after the roller device (3) is removed.

7. A movable cable clamp capable of erecting stiffening beams as described in claim 1, characterized in that, The lower half of the cable clamp (22) is provided with a traction hole (221) for connecting the traction rope.

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