Cable hole plugging sealing performance monitoring device

Abstract

The invention discloses a cable hole plugging sealing performance monitoring device, and relates to the technical field of cable hole plugging monitoring devices.The cable hole plugging sealing performance monitoring device comprises an operating rod and a monitoring assembly.The operating rod is slidably connected with a first arc-shaped plate through a guide rod, and the first arc-shaped plate is slidably connected with a second arc-shaped plate in the circumferential direction; the monitoring assembly is arranged on the second arc-shaped plate; when the operating rod slides relative to the first arc-shaped plate, the second arc-shaped plate and the monitoring assembly can be driven to slide along the first arc-shaped plate through the transmission assembly, and a worker can continuously control the operating rod to enable the operating rod to slide relative to the first arc-shaped plate; the second arc-shaped plate slides on the first arc-shaped plate through the transmission assembly to enable the monitoring assembly on the second arc-shaped plate to monitor the sealing performance of the cable hole, so that the dead-angle-free sealing monitoring of the cable hole can be simultaneously carried out in the process of moving the operating rod, and the monitoring efficiency can be improved while the monitoring work of a worker is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of cable hole plugging monitoring devices, and in particular to a cable hole plugging sealing monitoring device. Background Art

[0002] If the cable hole is not sealed or is not sealed tightly, flames and smoke may spread through the cable hole to other areas, expanding the scope of the fire and causing more serious losses. Through sealing monitoring, sealing defects can be discovered in time to avoid such situations. Short-term monitoring does not require long-term investment in monitoring equipment and manpower. Only temporary monitoring is required when necessary, which can effectively reduce monitoring costs.

[0003] For example, the patent with publication number CN114459513A discloses a device and method for monitoring the plugging of power cable holes, which includes: a first monitoring sensor arranged on one side of the cable hole diameter lead-out line, the first monitoring sensor includes a central axis, a support seat, an elastic cantilever beam, an elastic connection module, a baffle, a fixing seat, a first fiber Bragg grating, a second fiber Bragg grating, and a wavelength monitoring module; the first fiber Bragg grating and the second fiber Bragg grating are symmetrically arranged on the upper and lower surfaces of the elastic cantilever beam, respectively, and the plugging status of the power cable hole is monitored by monitoring the change of the central wavelength.

[0004] The prior art such as that in the above-mentioned patent can monitor the sealing of the cable hole by setting a monitoring sensor near the cable hole. However, there are cables in a part of the cable trench that have been sealed with the cable hole (for example, the cable holes of ordinary civil buildings only need to be monitored regularly once a month). In this case, it is no longer convenient to install the monitoring sensor, and the worker fixes a camera on the operating rod to monitor the sealing of the cable hole. For example, for the sealing monitoring of a cable hole, the worker needs to move the operating rod multiple times to complete the complete monitoring of the cable hole. The cumulative monitoring of multiple cable holes makes the worker's monitoring work more cumbersome. Summary of the invention

[0005] The object of the present invention is to provide a cable hole sealing monitoring device to solve the shortcomings of the above-mentioned prior art that the sealing monitoring efficiency of multiple cable holes needs to be improved.

[0006] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cable hole sealing monitoring device, comprising an operating rod and a monitoring component, the operating rod is slidably connected to a first arc plate through a guide rod, the first arc plate is slidably connected to a second arc plate along a circumferential direction, and the monitoring component is arranged on the second arc plate; when the operating rod slides relative to the first arc plate, the second arc plate and the monitoring component can be driven to slide along the first arc plate through the transmission component, so that the monitoring component can perform circumferential monitoring of the cable hole.

[0007] Furthermore, the fixing plate is fixedly connected with a guide rod, the guide rod is slidably connected with a sliding sleeve, the sliding sleeve is fixedly connected to the operating rod, and the sliding sleeve is fixedly connected with a connecting frame.

[0008] Furthermore, the monitoring component includes two monitoring probes, and the transmission component includes: an arc-shaped rack, which is coaxially fixedly connected to the second arc-shaped plate; a tooth group, which is fixedly connected to the connecting frame and meshes with the arc-shaped rack; and a first elastic member, which drives the sliding sleeve away from the first arc-shaped plate during the process of restoring deformation.

[0009] Furthermore, it also includes a third arc plate, which is slidably connected to the first arc plate, and a plurality of elastic wheels are provided on the third arc plate. The third arc plate can form a closed circle with the first arc plate during its sliding stroke relative to the first arc plate.

[0010] Furthermore, the third arc-shaped plate is fixedly connected to the second arc-shaped plate.

[0011] Furthermore, the guide rod is fixedly connected to a limiting plate at one end away from the first arc plate, the second arc plate is fixedly connected to a connecting rod, the third arc plate is fixedly connected to a protrusion abutting the connecting rod, the connecting rod and the protrusion abut and cooperate, one end of the first arc plate is fixedly connected to a straight plate, the first arc plate and the straight plate are provided with connecting guide grooves, the third arc plate is fixedly connected to an arc sleeve, the arc sleeve is slidably connected in the guide groove, and a second elastic member is arranged between the arc sleeve and the straight plate; a locking assembly is also arranged between the first arc plate and the third arc plate.

[0012] Furthermore, a rectangular groove is provided on the connecting frame, and the locking assembly includes: a horizontal plate, which is fixedly connected to the first curved plate and on which a wedge block is slidably connected; a connecting rod, which is fixedly connected to the wedge block; an L-shaped rod, which is slidably connected in the horizontal plate, one end of which is hinged to a hinged rod, and the other end of the hinged rod is hinged to the connecting rod; a slot, which is provided on the first curved plate and is snap-fitted with the wedge block, and the wedge block has a locking position snap-fitted with the slot in its sliding stroke relative to the horizontal plate; and a third elastic member, which drives the wedge block to slide to the locking position during the process of restoring its deformation.

[0013] Furthermore, the first elastic member includes a first spring, one end of the first spring is connected to the first arc-shaped plate, and the other end of the first spring is connected to the sliding sleeve.

[0014] Furthermore, the second elastic member includes a tension spring, one end of the tension spring is connected to the third arc-shaped plate, and the other end of the tension spring is connected to the first arc-shaped plate.

[0015] Furthermore, the third elastic member includes a second spring, one end of the second spring is connected to the wedge block, and the other end of the second spring is connected to the cross plate.

[0016] Compared with the prior art, the present invention provides a cable hole sealing monitoring device. The worker drives the first arc plate to move through an operating rod so that the recessed portion of the first arc plate faces the cable connected to the cable hole to be tested, and then moves the operating rod horizontally so that the first arc plate abuts against the cable. When the first arc abuts against the cable, the worker can continue to control the operating rod so that the operating rod slides relative to the first arc plate. During the sliding process of the operating rod relative to the first arc plate, the second arc plate slides on the first arc plate through the transmission assembly so that the monitoring assembly on the second arc plate continues to monitor the sealing of the cable hole, thereby achieving the goal of simultaneously performing dead-angle sealing monitoring of the cable hole during the process of moving the operating rod, which facilitates the monitoring work of the worker and also improves the monitoring efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 A schematic diagram of the overall structure of the device provided by an embodiment of the present invention; Figure 2 A schematic diagram of the structure of a transmission assembly provided in an embodiment of the present invention; Figure 3 A schematic diagram of the structure of a monitoring component provided by an embodiment of the present invention; Figure 4 A schematic diagram of the structure of the device provided by an embodiment of the present invention from another perspective; Figure 5 The embodiment of the present invention provides Figure 4 The enlarged structural diagram at A in the middle; Figure 6 A schematic diagram of a closed structure formed by the third curved plate and the first curved plate provided in an embodiment of the present invention; Figure 7 A schematic diagram of the cross-sectional structure of a first curved plate and a straight plate provided in an embodiment of the present invention; Figure 8 A schematic diagram of the locking assembly structure provided in an embodiment of the present invention.

[0019] Description of reference numerals: 1. operating lever; 101. monitoring probe; 11. monitoring assembly; 2. first arc plate; 201. guide groove; 21. guide rod; 211. sliding sleeve; 212. limit plate; 22. fixing plate; 23. connecting rod; 24. straight plate; 25. arc sleeve; 26. second elastic member; 3. second arc plate; 4. transmission assembly; 41. arc rack; 42. gear set; 43. first elastic member; 5. connecting frame; 51. rectangular groove; 6. third arc plate; 61. elastic wheel; 62. protrusion; 7. locking assembly; 71. cross plate; 711. wedge block; 72. connecting rod; 73. L-shaped rod; 731. hinge rod; 74. slot; 75. third elastic member. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0021] See also Figure 1-8 A cable hole sealing monitoring device provided by an embodiment of the present invention includes an operating rod 1 and a monitoring component 11, and also includes a first arc plate 2 and a second arc plate 3. A fixed plate 22 is fixedly connected to the first arc plate 2, and a guide rod 21 is fixedly connected to the fixed plate 22. A sliding sleeve 211 is slidably connected to the guide rod 21. The operating rod 1 is fixedly connected to the sliding sleeve 211, and a connecting frame 5 is fixedly connected to the sliding sleeve 211; the second arc plate 3 is slidably connected to the first arc plate 2 along the circumference of the first arc plate 2, and the monitoring component 11 is arranged on the second arc plate 3; when the first arc plate 2 is in contact with the cable and in abutment with it, the sliding movement of the operating rod 1 relative to the guide rod 21 During the process, the second arc plate 3 slides relative to the first arc plate 2 through the transmission assembly 4 so that the monitoring assembly 11 performs circumferential monitoring of the cable hole. Specifically, the monitoring assembly 11 includes two monitoring probes 101, and the transmission assembly 4 includes an arc rack 41, a tooth group 42 and a first elastic member 43. The rack is coaxially fixedly connected to the second arc plate 3: the tooth group 42 is fixedly connected to the connecting frame 5, and the tooth group 42 is engaged with the arc rack 41; the first elastic member 43 drives the sleeve 211 away from the first arc plate 2 during the process of restoring the deformation. The first elastic member 43 includes a first spring, one end of the first spring is connected to the first arc plate 2, and the other end of the first spring is connected to the sleeve 211.

[0022] The worker stands on the ground above the cable trench and then selects a cable hole in the cable trench. First, the operating rod 1 is moved vertically, and the operating rod 1 drives the first curved plate 2 to move so that the first curved plate 2 is close to the cable connected to the cable hole to be monitored. Then, the operating rod 1 is moved horizontally to make the first curved plate 2 fit the cable. The worker needs to further move the operating rod 1. The operating rod 1 will drive the sliding sleeve 211 and the connecting frame 5 on the sliding sleeve 211 to move during the movement. When the sliding sleeve 211 moves close to the first curved plate 2, the sliding sleeve 211 will squeeze the first elastic member 5. The tooth set 42 on the connecting frame 5 cooperates with the arc-shaped rack 41 in this process so that the arc-shaped rack 41 and the second arc-shaped plate 3 slide along the circumference of the first arc-shaped plate 2. During the sliding of the second arc-shaped plate 3 along the circumference of the first arc-shaped plate 2, the two monitoring probes 101 on the second arc-shaped plate 3 will illuminate the cable hole to be tested. The illumination of the two monitoring probes 101 can realize 360° monitoring of the cable hole. Then the worker stops applying external force to the operating rod 1. Due to the elastic force of the first spring, the first spring will drive the sliding sleeve 211 along the guide rod 21 to move away from the first arc-shaped plate 2. During the sliding process of the sliding sleeve 211, the tooth group 42 on the connecting frame 5 cooperates with the arc rack 41 to enable the second arc plate 3 to slide relative to the first arc plate 2. In this way, the second arc plate 3 slides along the circumference of the first arc plate 2 so that the two monitoring probes 101 can be reset. When the second arc plate 3 is reset to a state where it completely wraps the first arc plate 2, the worker can remove the device from the cable and record the measured data. It is worth mentioning that different monitoring cameras are used for different measurement methods. For example, after the plugging is used for a period of time, by observing whether there are cracks on the surface, etc., the monitoring camera can be an ordinary photographic camera, or a thermal imaging camera is used to monitor the temperature distribution around the cable hole. Under normal plugging conditions, the temperature distribution around the cable hole is relatively uniform. When there is a problem with the plugging, such as the presence of a gap causing air circulation or abnormal heating of the cable, it will cause a change in the temperature field, and the plugging defects can be found by analyzing the thermal imaging image. In addition, the operating rod 1 here can be an electric push rod. By controlling the length of the electric push rod to control the depth of the monitoring component 11, it is more convenient for the worker to work.

[0023] Compared with the prior art, the present invention provides a cable hole sealing monitoring device. The worker drives the first curved plate 2 to move through the operating rod 1 so that the recessed portion of the first curved plate 2 faces the cable connected to the cable hole to be tested, and then moves the operating rod 1 horizontally so that the first curved plate 2 abuts against the cable. When the first arc abuts against the cable, the worker can continue to control the operating rod 1 so that the operating rod 1 slides relative to the first curved plate 2. During the sliding process of the operating rod 1 relative to the first curved plate 2, the second curved plate 3 slides on the first curved plate 2 through the transmission component 4 so that the monitoring component 11 on the second curved plate 3 continues to monitor the sealing of the cable hole, thereby achieving the goal of simultaneously performing dead-angle sealing monitoring of the cable hole during the process of moving the operating rod 1, which facilitates the monitoring work of the worker and also improves the monitoring efficiency.

[0024] Wherein, it also includes a third arc plate 6, which is slidably connected to the first arc plate 2, and a plurality of elastic wheels 61 are arranged on the third arc plate 6. The third arc plate 6 can form a closed circle with the first arc plate 2 during the sliding stroke relative to the first arc plate 2, and the third arc plate 6 is fixedly connected to the second arc plate 3. The third arc plate 6 is driven to move by the second arc plate 3, so that a closed circle is formed between the third arc plate 6 and the first arc plate 2 for the cable wrapped therein, thereby avoiding the contact between the inner wall of the second arc plate 3 and the cable during the reset process of the first spring abutting the sliding sleeve 211, and the second arc plate 3 sliding relative to the first arc plate 2, and the second arc plate 3 will generate friction with the cable. In addition, it also avoids the situation in which the first arc plate 2 does not abut against the cable and is suspended in the air during the reset process of the sliding sleeve 211. The elastic wheel 61 on the third arc plate 6 can effectively reduce the friction between the third arc plate 6 and the cable.

[0025] In another technical solution of the present invention, one end of the guide rod 21 away from the first curved plate 2 is fixedly connected to the limiting plate 212, the second curved plate 3 is fixedly connected to the connecting rod 23, the third curved plate 6 is fixedly connected to the protrusion 62 that abuts against the connecting rod 23, the connecting rod 23 and the protrusion 62 abut and cooperate, one end of the first curved plate 2 is fixedly connected to the straight plate 24, the first curved plate 2 and the straight plate 24 are provided with a connecting guide groove 201, the third curved plate 6 is fixedly connected to The arc sleeve 25 is slidably connected in the guide groove 201, and a second elastic member 26 is provided between the arc sleeve 25 and the straight plate 24; a locking assembly 7 is also provided between the first arc plate 2 and the third arc plate 6, a rectangular groove 51 is provided on the connecting frame 5, and the locking assembly 7 includes a transverse plate 71, a connecting rod 72, an L-shaped rod 73, a card slot 74 and a third elastic member 75, and the transverse plate 71 is fixedly connected to the first arc plate 2, and a wedge block 711 is slidably connected to the transverse plate 71 The connecting rod 72 is fixedly connected to the wedge block 711; the L-shaped rod 73 is slidably connected to the cross plate 71, one end of the L-shaped rod 73 is hinged to a hinge rod 731, and the other end of the hinge rod 731 is hinged to the connecting rod 72; the card slot 74 is provided on the first arc plate 2, the card slot 74 is engaged with the wedge block 711, and the wedge block 711 has a locking position engaged with the card slot 74 in the sliding stroke relative to the cross plate 71; the third elastic member 75 is driven in the process of restoring the deformation Make the wedge block 711 slide to the locking position. Specifically, the second elastic member 26 includes a tension spring, one end of which is connected to the third arc plate 6, and the other end of the tension spring is connected to the first arc plate 2. The third elastic member 75 includes a second spring, one end of the second spring is connected to the wedge block 711, and the other end of the second spring is connected to the cross plate 71. The third elastic member 75 includes a second spring, one end of the second spring is connected to the wedge block 711, and the other end of the second spring is connected to the cross plate 71.

[0026] During the monitoring process of cable hole plugging, some cable holes need to be monitored twice (for example, the first monitoring is unclear and needs secondary monitoring, or two sets of monitoring data need to be compared for judgment), the user pushes the operating rod 1 to drive the sliding sleeve 211 to slide relative to the first arc plate 2, the sliding sleeve 211 drives the connecting frame 5 to move a certain distance, and then the tooth group 42 on the connecting frame 5 cooperates with the arc rack 41, so that the second arc plate 3 can slide relative to the first arc plate 2, and during the sliding process of the second arc plate 3 relative to the first arc plate 2, the connecting rod 23 on the second arc plate 3 abuts against the protrusion 62 on the third arc plate 6, so that the second arc plate 3 drives the third arc plate 6 during the sliding process Relative to the movement of the first curved plate 2, during the movement of the third curved plate 6, the third curved plate 6 will drive the curved sleeve 25 to move (the curved sleeve 25 slides on the guide groove 201), and the movement of the curved sleeve 25 will pull the tension spring to stretch. During the movement of the third curved plate 6 (before the third curved plate 6 moves, the third curved plate 6 abuts against the wedge block 711 so that the wedge block 711 is in a state of being out of the locking position), the wedge block 711 on the cross plate 71 will enter the locking position under the elastic force of the second spring, and then until the third curved plate 6 abuts against the wedge block 711 on the cross plate 71 so that the wedge block 711 is out of the locking position, when the wedge block 711 is aligned with the slot on the third curved plate 6 The wedge block 74 is driven by the elastic force of the second spring to enter the slot 74 of the third arc plate 6 to lock the third arc plate 6. In this process, the third arc plate 6 rotates 180 degrees, and a closed circle is formed between the first arc plate 2 and the third arc plate 6 to wrap the cable. Then the worker stops applying external force to the operating rod 1, and the sleeve 211 is reset by the elastic force of the first spring. During the reset process, the sleeve 211 drives the connecting frame 5 to move, and the tooth group 42 on the connecting frame 5 cooperates with the arc rack 41 to enable the second arc plate 3 to be reset to the state of wrapping the first arc plate 2, and the second arc plate 3 is reset. During the process, the connecting rod 23 does not continue to abut against the protrusion 62, and the third arc plate 6 and the first arc plate 2 will always fit on the cable, while keeping the second arc plate 3 relative to the first arc plate 2 in the same movement path during the rotation or reset process (different movement paths will result in different monitored data); the second arc plate 3 can realize secondary data monitoring of the cable hole during the reset process, or the tooth group 42 on the connecting frame 5 is disengaged from the arc rack 41 and then pushes the sliding sleeve 211 again so that the tooth group 42 continues to mesh with the arc rack 41 to slide the second arc plate 3, so that the second arc plate 3 can move along the first monitoring path, and then perform the second monitoring;After the second monitoring is completed, the elastic force of the first spring drives the sliding sleeve 211 to reset and thus the connecting frame 5 moves. During the movement of the connecting frame 5, the inner wall of the rectangular groove 51 opened on the connecting frame 5 abuts against the L-shaped rod 73, so that the L-shaped rod 73 can slide relative to the cross plate 71. During the sliding process, the L-shaped rod 73 pulls the connecting rod 72 to slide through the hinge rod 731, and then the connecting rod 72 drives the wedge block 711 to move so that the wedge block 711 can be separated from the locking position, and the tension spring in the guide groove 201 pulls the arc sleeve 25 to reset and thus the third arc plate 6 is reset, realizing the delayed reset of the third arc plate 6 during the movement of the second arc plate 3, thereby keeping the second monitoring path of the monitoring probe 101 on the second arc plate 3 the same; during the movement of the connecting frame 5, there is an idle stroke in which the tooth group 42 does not cooperate with the arc rack 41, and the worker can perform a monitoring by applying a thrust again when the sliding sleeve 211 is close to the limit plate 212 but does not contact the limit plate 212. ;

[0027] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A cable hole sealing monitoring device, comprising an operating rod and a monitoring component, characterized in that: The operating rod is slidably connected to a first arc plate via a guide rod, the first arc plate is slidably connected to a second arc plate along a circumferential direction, and the monitoring assembly is arranged on the second arc plate; When the operating rod slides relative to the first arc-shaped plate, the transmission assembly can drive the second arc-shaped plate and the monitoring assembly to slide along the first arc-shaped plate, so that the monitoring assembly can perform circumferential monitoring on the cable hole.

2. A cable hole sealing monitoring device according to claim 1, characterized in that: The guide rod is slidably connected with a sliding sleeve, the sliding sleeve is fixedly connected to the operating rod, the sliding sleeve is fixedly connected with a connecting frame, and a fixing plate is fixedly connected between the guide rod and the first arc plate.

3. A cable hole sealing monitoring device according to claim 1, characterized in that: The monitoring component includes two monitoring probes, and the transmission component includes: The arc-shaped rack is coaxially fixedly connected to the second arc plate: A gear set, which is fixedly connected to the connecting frame and meshes with the arc-shaped rack; The first elastic member drives the sliding sleeve away from the first arc-shaped plate during the process of restoring its deformation.

4. A cable hole sealing monitoring device according to claim 3, characterized in that: It also includes a third arc plate, which is slidably connected to the first arc plate, and a plurality of elastic wheels are arranged on the third arc plate. The third arc plate can form a closed circle with the first arc plate during its sliding stroke relative to the first arc plate.

5. A cable hole sealing monitoring device according to claim 4, characterized in that: The third arc-shaped plate is fixedly connected to the second arc-shaped plate.

6. A cable hole sealing monitoring device according to claim 4, characterized in that: One end of the guide rod away from the first arc plate is fixedly connected to the limiting plate, the second arc plate is fixedly connected to a connecting rod, the third arc plate is fixedly connected to a protrusion abutting the connecting rod, the connecting rod and the protrusion abut and cooperate, one end of the first arc plate is fixedly connected to a straight plate, the first arc plate and the straight plate are provided with connecting guide grooves, the third arc plate is fixedly connected to an arc sleeve, the arc sleeve is slidably connected in the guide groove, and a second elastic member is arranged between the arc sleeve and the straight plate; a locking assembly is also arranged between the first arc plate and the third arc plate.

7. A cable hole sealing monitoring device according to claim 6, characterized in that: The connecting frame is provided with a rectangular groove, and the locking assembly comprises: A horizontal plate, which is fixedly connected to the first arc-shaped plate and on which a wedge-shaped block is slidably connected; A connecting rod fixedly connected to the wedge block; An L-shaped rod is slidably connected in the transverse plate, one end of which is hinged to a hinged rod, and the other end of the hinged rod is hinged to a connecting rod; A clamping groove is provided on the first arc-shaped plate and is engaged with the wedge-shaped block. The wedge-shaped block has a locking position engaged with the clamping groove in its sliding stroke relative to the transverse plate; The third elastic member drives the wedge block to slide to the locking position during the process of restoring its deformation.

8. A cable hole sealing monitoring device according to claim 1, characterized in that: The first elastic member includes a first spring, one end of the first spring is connected to the first arc plate, and the other end of the first spring is connected to the sliding sleeve.

9. A cable hole sealing monitoring device according to claim 6, characterized in that: The second elastic member includes a tension spring, one end of which is connected to the third arc-shaped plate, and the other end of which is connected to the first arc-shaped plate.

10. A cable hole sealing monitoring device according to claim 7, characterized in that: The third elastic member comprises a second spring, one end of the second spring is connected to the wedge block, and the other end of the second spring is connected to the transverse plate.

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