Optical fiber composite rubber jacketed flexible cable for shield tunneling machine and cable protection device

Abstract

The utility model relates to the technical field of cable protection, in particular to an optical fiber composite rubber jacketed flexible cable for a shield tunneling machine and a cable protection device. Comprising a mounting plate and a limiting assembly, the limiting assembly comprises a main plug board, a main semicircular seat, a main limiting seat, a positioning plate, a connecting screw rod, a fixing nut, a second limiting component and a third limiting component, the device can be fixed through the positioning plate during use, and two cables are directly placed in a semicircular cavity of the main semicircular seat during further cable protection; and then the upper main limiting seat is fixed through bolts, so that a circular protection cavity is formed to protect the cables, then the second limiting component and the third limiting component can further increase cable limiting installation point positions, isolation protection of the multiple cables can be achieved through the single device, the number of the devices can be reduced, and the cost is reduced. Therefore, the multiple cables can be better isolated and protected, the number of devices can be reduced when the multiple cables are protected and used, and the use cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable protection technical field especially, relates to a kind of optical fiber composite rubber jacketed flexible cable and cable protection device for shield machine. BACKGROUND

[0002] The existing cable protection device is fixed and protected by binding during use, which is prone to sliding and the cable sheath is easily damaged. The cable core is easily exposed due to external impact, which may cause a large safety hazard.

[0003] The prior art CN218216558U discloses a cable protection device, relating to the technical field of cables. It includes a base, a U-shaped groove on the top of the base, recesses on the opposite sides of the base top and on both sides of the U-shaped groove, a fixing mechanism inside the recesses, an installation plate on the bottom of the base through an installation mechanism, a fixing mechanism including a screw rod, a sliding block, a first clamp, a second clamp, a movable block, a return spring, a positioning block and a positioning protrusion, and an installation mechanism including a T-shaped plate, a pull rod, a limiting ring and an extension spring. The fixing mechanism and the installation mechanism avoid the sliding of the cable, protect the cable sheath from damage, and prevent the cable core from being exposed due to external impact. The base can be easily disassembled, maintained and repaired.

[0004] However, the above-mentioned protection device has the following problems in actual use. If multiple cables are protected by the first clamp and the second clamp at the same time, the cables cannot be isolated and protected, and the safety is poor. If single cable protection is adopted, the number of cables is generally large during construction, which requires one-to-one setting of the device during multi-cable protection, resulting in a large number of device settings and a significant increase in use cost. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of optical fiber composite rubber jacketed flexible cable and cable protection device for shield machine, can realize the better isolation protection to multiple cables, and multiple cable protection use can reduce the number of equipment settings, reduce use cost.

[0006] To achieve the above-mentioned purpose, the utility model provides a kind of cable protection device, including installation plate, multiple through rectangular grooves are arranged on the installation plate at intervals, and further including limiting assembly.

[0007] The limiting assembly comprises a main plug-in plate, a main semicircular seat, a main limiting seat, a positioning plate, a connecting screw rod, a fixing nut, a second limiting member and a third limiting member, the main plug-in plate is detachably connected with the mounting plate and located on one side of the mounting plate, the main semicircular seat is integrally formed with the main plug-in plate, and the number of the main semicircular seats is two, the main limiting seat is detachably connected with the main plug-in plate and located on one side of the main semicircular seat, the positioning plate is symmetrically welded on the top of the mounting plate, the connecting screw rod is slidably connected with the mounting plate and the main plug-in plate respectively and penetrates through the mounting plate, the fixing nut is screwed and installed at the bottom of the connecting screw rod, the second limiting member is arranged below the main plug-in plate, and the third limiting member is arranged above the main plug-in plate.

[0008] The second limiting member comprises a lower plug-in plate, a lower semicircular seat and a lower limiting seat, the lower plug-in plate is detachably connected with the mounting plate and slidably connected with the connecting screw rod and located below the main plug-in plate, the lower semicircular seat is integrally formed with the lower plug-in plate, the number of the lower semicircular seats is two, and the size of the semicircular cavities of the lower semicircular seats is smaller than that of the main semicircular seat, and the lower limiting seat is detachably connected with the lower plug-in plate and located on one side of the lower plug-in plate.

[0009] The third limiting member comprises an upper plug-in plate, an upper semicircular seat and an upper limiting seat, the upper plug-in plate is detachably connected with the mounting plate and slidably connected with the connecting screw rod and located above the main plug-in plate, the upper semicircular seat is integrally formed with the upper plug-in plate, and the size of the semicircular cavities of the upper semicircular seat is larger than that of the main semicircular seat, and the upper limiting seat is detachably connected with the upper plug-in plate and located on one side of the upper plug-in plate.

[0010] The bottom of the connecting screw rod is provided with a through pin hole, so that an open pin can be arranged, and the open pin abuts against the lower end face of the fixing nut.

[0011] The cable protection device further comprises a connecting assembly, the connecting assembly comprises an upper positioning pin and a lower positioning pin, the upper positioning pin is threadedly connected with the mounting plate, and a matching insertion hole is arranged on the side of the mounting plate away from the upper positioning pin, the lower positioning pin is threadedly connected with the mounting plate, a matching insertion hole is arranged on the side of the mounting plate away from the lower positioning pin, and the lower positioning pin is located below the upper positioning pin and symmetrically arranged with the upper positioning pin.

[0012] The optical fiber composite rubber jacketed flexible cable for a shield tunneling machine can be safely protected by the cable protection device.

[0013] The utility model discloses a cable protection device, and the device can be fixed through the positioning plate arranged on the top of the mounting plate during use, further, when protecting the cable, two cables are directly placed in the semicircular cavity of the main semicircle seat, then the main limiting seat is fixed through the bolt, thereby forming a circular protection cavity for protecting the cable, then the second limiting component and the third limiting component can further increase the cable limiting installation point, the single device of the application can realize the isolation protection of multiple cables, and the device setting quantity can be reduced, thereby better isolation protection of multiple cables can be realized, and the device setting quantity can be reduced during the protection of multiple cables, and the use cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] 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 embodiment or prior art description will be briefly introduced as follows.

[0015] Figure 1 It is the overall structure schematic diagram of the cable protection device of the first embodiment of the utility model.

[0016] Figure 2 It is the left view of the cable protection device of the first embodiment of the utility model.

[0017] Figure 3 It is the overall structure schematic diagram of the cable protection device of the second embodiment of the utility model.

[0018] In the drawing: 101 - mounting plate, 102 - main plug-in plate, 103 - main semicircle seat, 104 - main limiting seat, 105 - positioning plate, 106 - connecting screw rod, 107 - fixed nut, 108 - lower plug-in plate, 109 - lower semicircle seat, 110 - lower limiting seat, 111 - upper plug-in plate, 112 - upper semicircle seat, 113 - upper limiting seat, 201 - upper positioning pin, 202 - lower positioning pin. DETAILED DESCRIPTION

[0019] The embodiments of the utility model will be described in detail below, and the examples of the embodiments are shown in the drawings, and the embodiments described below are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0020] Embodiment one:

[0021] As shown in Figure 1 and Figure 2 , wherein Figure 1 is the overall structure schematic diagram of the cable protection device, Figure 2It is the left view of cable protection device, the utility model provides a cable protection device: including mounting plate 101 and limiting component, the limiting component includes main plug -in board 102, main semicircle seat 103, main limiting seat 104, positioning plate 105, connecting screw rod 106, fixed nut 107, second limiting component and third limiting component, the second limiting component includes lower plug -in board 108, lower semicircle seat 109 and lower limiting seat 110, the third limiting component includes upper plug -in board 111, upper semicircle seat 112 and upper limiting seat 113. Through the foregoing scheme, better isolation protection can be realized for multiple cables, and the number of equipment settings can be reduced when multiple cable protection is used, and the use cost is reduced. It can be understood that the foregoing scheme can isolate and protect multiple cables, and the number of equipment settings can be reduced when multiple cable protection is used.

[0022] In the embodiment, a plurality of through rectangular grooves are arranged on the mounting plate 101 at intervals, and a through hole is arranged in vertical communication with the rectangular groove, facilitating the arrangement of the connecting screw rod 106.

[0023] The main plug-in board 102 is detachably connected with the mounting plate 101 and located on one side of the mounting plate 101, the main semicircle seat 103 is integrally formed with the main plug-in board 102, and the number is two, the main limiting seat 104 is detachably connected with the main plug-in board 102 and located on one side of the main semicircle seat 103, the positioning plate 105 is symmetrically welded on the top of the mounting plate 101, the connecting screw rod 106 is respectively connected with the mounting plate 101 and the main plug-in board 102 in a sliding manner and penetrates the mounting plate 101, the fixed nut 107 is screwed on the bottom of the connecting screw rod 106, the second limiting component is arranged below the main plug-in board 102, and the third limiting component is arranged above the main plug-in board 102. The rectangular end of the main plug-in board 102 can be slid into the rectangular groove of the mounting plate 101, and a circular hole is arranged on the rectangular end to cooperate with the connecting screw rod 106, the main semicircle seat 103 is arranged in two and integrally formed with the main plug-in board 102, the main limiting seat 104 has a semicircle part cooperating with the main semicircle seat 103, which is beneficial to cooperating to form a cable circular protection cavity and fixed on the main plug-in board 102 by bolts, the positioning plate 105 is symmetrically welded on the top of the mounting plate 101 and has a mounting hole, which is convenient for fixing by bolts, the connecting screw rod 106 is T-shaped, an inner hexagonal hole is arranged on the end face of the disc head, and an outer threaded end is arranged on the bottom step part, which is convenient for arranging the fixed nut 107, and the second limiting component and the third limiting component can further increase the cable limiting installation points.

[0024] Secondly, the lower inserting plate 108 is detachably connected with the mounting plate 101 and is in sliding connection with the connecting screw 106 and is located below the main inserting plate 102; the lower semicircular seat 109 is integrally formed with the lower inserting plate 108, the number is two, and the semicircular cavity size is smaller than that of the main semicircular seat 103; the lower limiting seat 110 is detachably connected with the lower inserting plate 108 and is located on one side of the lower inserting plate 108. The size of the lower inserting plate 108 is consistent with that of the main inserting plate 102, and it is also fixed and installed through the connecting screw 106 and the fixed nut 107, the lower semicircular seat 109 is integrally formed with the lower inserting plate 108, the number is two, and the semicircular cavity size is smaller than that of the main semicircular seat 103, thereby facilitating the protection of cables with different diameters, and the semicircular part on the lower limiting seat 110 is matched with the lower semicircular seat 109, which is beneficial to form a circular cable protection cavity and is fixed on the lower inserting plate 108 through bolts.

[0025] Then, the upper inserting plate 111 is detachably connected with the mounting plate 101 and is in sliding connection with the connecting screw 106 and is located above the main inserting plate 102; the upper semicircular seat 112 is integrally formed with the upper inserting plate 111, and the semicircular cavity size is larger than that of the main semicircular seat 103; the upper limiting seat 113 is detachably connected with the upper inserting plate 111 and is located on one side of the upper inserting plate 111. The size of the upper inserting plate 111 is consistent with that of the main inserting plate 102, and it is also fixed and installed through the connecting screw 106 and the fixed nut 107, the upper semicircular seat 112 is integrally formed with the upper inserting plate 111, and the semicircular cavity size is larger than that of the main semicircular seat 103, thereby facilitating the protection of cables with different diameters, the semicircular part on the upper limiting seat 113 is matched with the upper semicircular seat 112, which is beneficial to form a circular cable protection cavity and is fixed on the upper inserting plate 111 through bolts, and the semicircular cavity size of the upper semicircular seat 112, the main semicircular seat 103 and the lower semicircular seat 109 gradually decreases, thereby being able to directly protect a plurality of cables with different diameters.

[0026] Finally, the connecting screw 106 is provided with a through pin hole at the bottom, and an open pin is arranged in the through pin hole, and the open pin abuts against the lower end face of the fixed nut 107. The structure can prevent the fixed nut 107 from loosening.

[0027] When using this utility model to achieve better isolation and protection for multiple cables, and to reduce the number of devices required and lower operating costs when using multiple cable protection, the device can be fixed by the positioning plates 105 symmetrically arranged on the top of the mounting plate 101. Furthermore, during cable protection, multiple cables are directly placed in the semi-circular cavity of the main semi-circular seat 103, the lower semi-circular seat 109, or the upper semi-circular seat 112, and then fixed with bolts to the main limiting seat 104, the lower limiting seat 110, or the upper limiting seat 113, thereby forming a circular protective cavity to protect multiple cables. This application can achieve isolation and protection for multiple cables with a single device, and can reduce the number of devices required, thereby achieving better isolation and protection for multiple cables, and reducing the number of devices required and lowering operating costs when using multiple cable protection.

[0028] Example 2:

[0029] like Figure 3 As shown, where Figure 3 This is a schematic diagram of the overall structure of the cable protection device. Based on the first embodiment, this utility model provides a cable protection device, which further includes a connecting component, including an upper positioning pin 201 and a lower positioning pin 202.

[0030] The upper positioning pin 201 is threadedly connected to the mounting plate 101, and the mounting plate 101 has a mating hole on the side away from the upper positioning pin 201. The lower positioning pin 202 is threadedly connected to the mounting plate 101, and the mounting plate 101 has a mating hole on the side away from the lower positioning pin 202. The lower positioning pin 202 is located below the upper positioning pin 201 and is symmetrically arranged with it. Both the upper positioning pin 201 and the lower positioning pin 202 are cylindrical pins. The front external threaded end is installed in the threaded hole of the mounting plate 101, and the tail end face is provided with an internal hexagonal hole. The mounting plate 101 on the side away from the upper positioning pin 201 and the lower positioning pin 202 respectively has mating holes with the same center line.

[0031] In this embodiment, when the devices need to be connected, the upper positioning pin 201 and the lower positioning pin 202 on one device can be directly inserted into the socket provided on the other device, thereby enabling quick alignment and connection. At this time, the connection points of the mounting plates 101 of the two devices will be coplanar and flush, ensuring that the connection points can be well flush and aligned.

[0032] Finally, a fiber optic composite rubber-sheathed flexible cable for tunnel boring machines can be safely protected by the aforementioned cable protection device.

[0033] The above disclosure only shows one or more preferred embodiments of the present application, and cannot limit the scope of the present application. Those skilled in the art can understand that the implementation of all or part of the above processes, and the equivalent changes made according to the claims of the present application, still belong to the scope covered by the present application.

Claims

1. A cable protection device, comprising a mounting plate, wherein a plurality of through rectangular slots are spaced apart on the mounting plate, characterized in that: It also includes limit components; The limiting assembly includes a main plug plate, a main semicircular seat, a main limiting seat, a positioning plate, a connecting screw, a fixing nut, a second limiting component, and a third limiting component. The main plug plate is detachably connected to the mounting plate and is located on one side of the mounting plate. The main semicircular seat is integrally formed with the main plug plate, and there are two of them. The main limiting seat is detachably connected to the main plug plate and is located on one side of the main semicircular seat. The positioning plate is symmetrically welded to the top of the mounting plate. The connecting screw is slidably connected to the mounting plate and the main plug plate respectively and passes through the mounting plate. The fixing nut is screwed onto the bottom of the connecting screw. The second limiting component is located below the main plug plate, and the third limiting component is located above the main plug plate.

2. The cable protection device as described in claim 1, characterized in that: The second limiting component includes a lower insertion plate, a lower semicircular seat, and a lower limiting seat. The lower insertion plate is detachably connected to the mounting plate and slidably connected to the connecting screw, and is located below the main insertion plate. The lower semicircular seat is integrally formed with the lower insertion plate, and there are two of them. The size of the semicircular cavity is smaller than that of the main semicircular seat. The lower limiting seat is detachably connected to the lower insertion plate and is located on one side of the lower insertion plate.

3. The cable protection device as described in claim 1, characterized in that: The third limiting component includes an upper insertion plate, an upper semicircular seat, and an upper limit seat. The upper insertion plate is detachably connected to the mounting plate and slidably connected to the connecting screw, and is located above the main insertion plate. The upper semicircular seat is integrally formed with the upper insertion plate, and the size of the semicircular cavity is larger than that of the main semicircular seat. The upper limit seat is detachably connected to the upper insertion plate and is located on one side of the upper insertion plate.

4. The cable protection device as described in claim 1, characterized in that: The bottom of the connecting screw is provided with a through pin hole to facilitate the setting of the cotter pin, which abuts against the lower end face of the fixing nut.

5. The cable protection device as described in claim 1, characterized in that... : The cable protection device further includes a connecting assembly, which includes an upper positioning pin and a lower positioning pin. The upper positioning pin is threadedly connected to the mounting plate, and the mounting plate has a mating hole on the side away from the upper positioning pin. The lower positioning pin is threadedly connected to the mounting plate, and the mounting plate has a mating hole on the side away from the lower positioning pin. The lower positioning pin is located below the upper positioning pin and is symmetrically arranged with the upper positioning pin.

6. A fiber optic composite rubber-sheathed flexible cable for tunnel boring machines, characterized in that: Safety protection can be achieved by the cable protection device as described in any one of claims 1 to 5.

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