Tunnel detection equipment protection anti-theft device based on distributed optical fibers
By designing a tunnel detection equipment based on distributed fiber, the combination structure of the cabinet body, cabinet door, drive mechanism and lifting mechanism is used to solve the problem that traditional tunnel monitoring equipment is easily stolen, achieving efficient anti-theft effect and safety.
Patent Information
- Application Number
- CN202421214659.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-05-29
AI Technical Summary
Traditional tunnel monitoring equipment is easily stolen, resulting in the stolen fibers, which cannot be monitored and warned in time, and there are major safety hazards.
A tunnel detection equipment protection and anti-theft device based on distributed fiber is designed, and a combined structure of cabinet body, cabinet door, drive mechanism and lift mechanism is adopted. The driving mechanism drives the lifting mechanism to move up and down, and ensure the safety of cabinet body.
It effectively prevents the cabinet from being pried open, improves the anti-theft effect, ensures the safety and reliability of tunnel monitoring equipment, and avoids safety hazards caused by equipment theft.
Smart Images

Figure CN222638869U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of tunnel monitoring equipment, and in particular relates to a tunnel detection equipment protection and anti-theft device based on distributed optical fiber. Background Art
[0002] In traditional tunnel monitoring, it mainly relies on a large amount of manual participation, and the degree of automation is not high. It is carried out in traditional ways using total stations, etc., but traditional monitoring methods have problems such as long time consumption and low accuracy. As the country has put forward urgent requirements for the construction of long-life infrastructure, the service safety issues during the construction period and operation period of tunnels have become the top priority for the long-life use of tunnels. It is necessary to monitor the tunnel construction quality, service status and its changes and development trends in real time, and to issue real-time warnings for the risks of sudden water and mud in the tunnel structure, and the occurrence of structural cracks, deformation and other diseases. Traditional monitoring methods can no longer meet the construction needs of long-life infrastructure, so tunnel distributed optical fiber monitoring technology has been widely promoted and applied.
[0003] At present, optical fibers are often installed at monitoring locations through communication cabinets. The doors of traditional communication cabinets are generally connected to the cabinet body through hinges or hinges, and then the doors are locked. Criminals will use tools to pry open the cabinet door through the gap between the cabinet door and the cabinet body and steal the optical fibers, which not only causes property losses, but also may fail to monitor and warn in time when health problems occur in the tunnel, posing a major safety hazard. Utility Model Content
[0004] The purpose of the utility model is to provide a tunnel detection equipment protection anti-theft device based on distributed optical fiber to solve the technical problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A tunnel detection equipment protection and anti-theft device based on distributed optical fiber comprises a cabinet, a cabinet door, a driving mechanism and a lifting mechanism; the cabinet is vertically arranged, its front side is provided with an opening, and the top is provided with a passage connected to the inside of the cabinet; the cabinet door is vertically arranged and movably connected to the cabinet, and its bottom passes downward through the passage on the top of the cabinet; the driving mechanism is arranged inside the cabinet; the upper end of the lifting mechanism is connected to the driving mechanism, and the front side is connected to the cabinet door, and the driving mechanism can drive the lifting mechanism to rise and fall, thereby driving the cabinet door to move up and down, and opening or closing the cabinet opening.
[0007] Furthermore, the driving mechanism includes a connecting plate, a rotating shaft, a driving gear, a worm wheel, a worm, a mounting plate, a motor, and a toothed disc; the connecting plate is vertically arranged, and its two ends are fixedly connected to the upper parts of the two sides of the inner arm of the cabinet, and a first guide groove is provided at the lower rear side of the connecting plate; the rotating shaft is horizontally arranged and rotatably connected to the upper left side of the connecting plate, and its two ends extend in the front and rear directions of the connecting plate; the driving gear fixing sleeve is arranged on the rear side of the rotating shaft; the worm wheel fixing sleeve is arranged on the front side of the rotating shaft; the worm is arranged below the worm wheel and meshes with the worm wheel; the mounting plate is arranged on the front side of the connecting plate, located on the left side of the worm, and the mounting plate is rotatably connected to the left end of the worm; the motor is arranged on the front side of the connecting plate, located on the right side of the worm, and the motor output shaft is fixedly connected to the right end of the worm; the toothed disc is arranged below the driving gear, one side of which meshes with the driving gear, and the other side is connected to the lifting mechanism.
[0008] Furthermore, the lifting mechanism includes an active lifting component, which includes a first guide plate, a driven slider, a first slider, an active arm, a first driven arm, and a first fixed block; the first guide plate is arranged below the connecting plate, and a second guide groove is provided on its rear side; the driven slider is slidably connected to the right side of the first guide groove; the first slider is slidably connected to the left and right sides of the second guide groove respectively; the active arm and the first driven arm are cross-arranged, and the intersection of the active arm and the driven arm is hinged to each other, the upper end of the active arm is connected to the gear plate, and the upper part is hinged to the connecting plate, and the lower end is hinged to the first slider on the right side; the upper end of the first driven arm is hinged to the driven slider, and the lower end is hinged to the first slider on the left side; there are two first fixed blocks, which are respectively arranged on the left and right sides of the front side of the first guide plate, and the front end thereof is fixedly connected to the rear side of the cabinet door.
[0009] Furthermore, it also includes a driven lifting assembly; the driven lifting assembly includes a second guide plate, a second slider, a second driven arm, a third driven arm, and a second fixed block; the second guide plate is arranged below the first guide plate, and a third guide groove is arranged on the rear side of the second guide plate; there are two second sliders, which are respectively arranged on the left and right sides of the third guide groove; the second driven arm and the third driven arm are cross-arranged, and the intersection of the second driven arm and the third driven arm is hinged to each other, the upper end of the second driven arm is connected to the first slider on the left, and the lower end is connected to the second slider on the right; the upper end of the third driven arm is connected to the first slider on the right, and the lower end is connected to the second slider on the left; the second fixed block is provided with two, which are respectively arranged on the left and right sides of the front side of the second guide plate, and its front end is fixedly connected to the rear side of the cabinet door.
[0010] Furthermore, the driven lifting components are provided in plurality and are connected up and down in sequence.
[0011] Furthermore, a slot is provided at the front inner side of the cabinet body corresponding to the bottom position of the cabinet door.
[0012] Furthermore, the cabinet body is provided with a first layout panel, a second layout panel and a third layout panel in sequence from top to bottom; the first layout panel is provided with a lightning protection device, an alarm and a modem; the second layout panel is provided with a power supply and a router; and the third layout panel is provided with an optical fiber.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. The utility model sets the cabinet body inside the cabinet body and moves it vertically inside the cabinet body so that the cabinet body can be opened or closed, thereby avoiding the disadvantage that the cabinet door in the traditional structure is opened and closed by hinges or hinges, which makes it easy for criminals to pry open the cabinet door through the gap between the cabinet door and the cabinet body. The utility model can effectively prevent the cabinet body from being pried open, has good anti-theft effect and high safety.
[0015] 2. The utility model is provided with a driving mechanism and a lifting mechanism. The lifting mechanism can be lifted and lowered by the driving mechanism, thereby driving the cabinet door to move up and down, so that the cabinet body is opened or closed. The operation is simple and the use is convenient. The driving mechanism adopts a worm gear and a worm for transmission. Due to the self-locking property of the worm gear and the worm, the cabinet door will not be moved even when the cabinet door is forcibly moved upward, thereby further improving the anti-theft effect. The lifting mechanism adopts a scissor-type lifting mechanism, which has high moving stability, strong load-bearing capacity and high safety.
[0016] 3. The cabinet body of the utility model has a slot at the bottom, into which the cabinet door can be lowered, which can ensure that the cabinet door will not be pushed inwards, thereby improving the anti-theft and protection effects. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of the utility model;
[0018] Figure 2 It is a schematic diagram of the connection between the driving mechanism and the lifting structure of the utility model;
[0019] Figure 3 This is a schematic diagram of the connection structure between the driving mechanism and the lifting structure of the utility model and the cabinet;
[0020] Figure 4 It is a structural schematic diagram of the driving mechanism of the utility model;
[0021] Figure 5 It is a structural schematic diagram of the driving mechanism of the utility model from another perspective;
[0022] Figure 6 It is a top cross-sectional view of the utility model;
[0023] Figure 7 This is a schematic diagram of the new cabinet door opening structure of the present invention;
[0024] In the accompanying drawings, 1-cabinet; 11-opening; 12-channel; 13-slot;
[0025] 2-Cabinet door;
[0026] 3-driving mechanism; 31-connecting plate; 32-first guide groove; 33-rotating shaft; 34-driving gear; 35-worm gear; 36-worm; 37-mounting plate; 38-motor; 39-toothed disc;
[0027] 4-Lifting mechanism;
[0028] 41-active lifting assembly; 411-first guide plate; 412-second guide groove; 413-driven slider; 414-first slider; 415-active arm; 416-first driven arm; 417-first fixed block;
[0029] 42-driven lifting assembly; 421-second guide plate; 422-third guide groove; 423-second slider; 424-second driven arm; 425-third driven arm; 426-second fixed block;
[0030] 5 - first layout panel; 6 - second layout panel; 7 - third layout panel. DETAILED DESCRIPTION
[0031] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail with reference to the accompanying drawings and preferred embodiments. However, it should be noted that many details listed in the specification are only for the purpose of enabling readers to have a thorough understanding of one or more aspects of the utility model, and these aspects of the utility model can be realized even without these specific details.
[0032] A tunnel detection equipment protection and anti-theft device based on distributed optical fiber comprises a cabinet 1, a cabinet door 2, a driving mechanism 3, and a lifting mechanism 4; the cabinet 1 is vertically arranged, and its front side is provided with an opening 11, and the top is provided with a passage 12 connected to the inside of the cabinet 1; the cabinet door 2 is vertically arranged and movably connected to the cabinet 1, and its bottom passes downward through the passage 12 on the top of the cabinet 1; the driving mechanism 3 is arranged inside the cabinet 1; the lifting mechanism 4 is connected to the driving mechanism 3 at the upper end, and connected to the cabinet door 2 at the front side, and the driving mechanism 3 can drive the lifting mechanism 4 to rise and fall, thereby driving the cabinet door 2 to move up and down, and opening or closing the opening 11 of the cabinet 1.
[0033] The driving mechanism 3 includes a connecting plate 31, a rotating shaft 33, a driving gear 34, a worm wheel 35, a worm 36, a mounting plate 37, a motor 38, and a gear plate 39; the connecting plate 31 is vertically arranged, and its two ends are fixedly connected to the upper parts of the two sides of the inner arm of the cabinet 1, and a first guide groove 32 is provided at the lower rear side of the connecting plate 31; the rotating shaft 33 is horizontally arranged, and is rotatably connected to the upper left side of the connecting plate 31 through bearings, and its two ends extend in the front and rear directions of the connecting plate 31; the driving gear 34 is fixedly sleeved on the rear side of the rotating shaft 33; the worm wheel 35 is fixedly sleeved on the front side of the rotating shaft 33; the worm 36 is arranged below the worm wheel 35 and meshes with the worm wheel 35; the mounting plate 37 is arranged on the front side of the connecting plate 31, on the left side of the worm 36, and the mounting plate 37 is rotatably connected to the left end of the worm 36 through bearings The motor 38 is arranged on the front side of the connecting plate 31, on the right side of the worm 36, and the output shaft of the motor 38 is fixedly connected to the right end of the worm 36; the toothed disc 39 is arranged below the driving gear 34, one side of which is meshed with the driving gear 34, and the other side is connected to the lifting mechanism 4, and the toothed disc 39 is a half-width toothed disc 39; the motor 38 is a remote control motor 38, and a control system is provided on the connecting plate 31. The control system is connected to the mobile terminal through a wireless module, and the terminal sends instructions to enable the control system to control the start and stop and forward and reverse rotation of the motor 38; the motor 38 drives the worm 36 to rotate, and the worm 36 drives the rotating shaft 33 and the driving gear 34 to rotate, thereby driving the toothed disc 39 to rotate, and the toothed disc 39 can drive the lifting mechanism 4 to rise and fall, so that the cabinet door 2 moves up and down, and the opening 11 of the cabinet body 1 is opened or closed. The worm wheel 35 and the worm 36 are self-locking. The worm wheel 35 can only rotate through the worm 36, but the worm wheel 35 cannot drive the worm 36 to rotate. Therefore, the cabinet door 2 can only be raised and lowered by the motor 38 driving the worm 36 to rotate. When the motor 38 does not rotate, the cabinet body 1 cannot be opened by moving the cabinet door 2 up and down.
[0034] The lifting mechanism 4 includes an active lifting component 41, which includes a first guide plate 411, a driven slider 413, a first slider 414, an active arm 415, a first driven arm 416, and a first fixed block 417; the first guide plate 411 is arranged below the connecting plate 31, and a second guide groove 412 is arranged at the rear side thereof; the driven slider 413 is slidably connected to the right side of the first guide groove 32; two first sliders 414 are provided, which are slidably connected to the left and right sides of the second guide groove 412 respectively; The active arm 415 and the first driven arm 416 are cross-arranged, and the intersection of the active arm 415 and the first driven arm 416 is hinged to each other. The upper end of the active arm 415 is connected to the gear plate 39, and the upper part is hinged to the connecting plate 31, and the lower end is hinged to the right first slider 414; the upper end of the first driven arm 416 is hinged to the driven slider 413, and the lower end is hinged to the left first slider 414; the first fixed block 417 is provided with two, which are respectively arranged on the left and right sides of the front side of the first guide plate 411, and the front end thereof is fixedly connected to the rear side of the cabinet door 2. When the toothed disc 39 rotates, the active arm 415 is driven to rotate based on the hinge point between the active arm 415 and the connecting plate 31, and the driven arm is driven based on the hinge point between the driven arm and the active arm 415. At the same time, the lower end of the active arm 415 moves through the first slider 414, and the upper and lower ends of the driven arm are respectively moved through the driven slider 413 and the first slider 414, so that the first guide plate 411 is lifted and lowered. When the first guide plate 411 is lifted and lowered, the cabinet door 2 can be driven to lift and lower through the first fixed block 417.
[0035] In order to adapt to the height of the opening 11 of the cabinet 1, the lifting mechanism 4 also includes a driven lifting assembly 42; the driven lifting assembly 42 includes a second guide plate 421, a second slider 423, a second driven arm, a third driven arm 424, a second driven arm 425, and a second fixing block 426; the second guide plate 421 is arranged below the first guide plate 411, and a third guide groove 422 is arranged at the rear side of the second guide plate 421; the second slider 423 is provided with two, which are respectively arranged on the left and right sides of the third guide groove 422; the second driven arm and the third The driven arm 424 and the second driven arm; 425 are cross-arranged, and the second driven arm and the third driven arm 424 and the second driven arm; 425 are mutually hinged at the intersection, and the upper end of the second driven arm is connected to the first slider 414 on the left, and the lower end is connected to the second slider 423 on the right; the upper end of the third driven arm 424 and the second driven arm; 425 is connected to the first slider 414 on the right, and the lower end is connected to the second slider 423 on the left; the second fixed block 426 is provided with two, which are respectively provided on the left and right sides of the front side of the second guide plate 421, and the front end thereof is fixedly connected to the rear side of the cabinet door 2. When the first guide plate 411 is raised or lowered, the second driven arm and the third driven arm 424 and the second driven arm; 425 rotate based on the hinge point, and at the same time, the upper and lower ends of the second driven arm and the third driven arm 424 and the second driven arm; 425 move through the first slider 414 and the second slider 423, driving the second guide plate 421 and the first guide plate 411 to be raised or lowered synchronously.
[0036] When the cabinet door 2 rises, it passes through the channel 12 at the top of the cabinet body 1 and goes out of the cabinet body 1, so that the cabinet door 2 has a sufficient rising stroke.
[0037] There are multiple driven lifting components 42 , which are connected up and down in sequence to adapt to the heights of different cabinets 1 .
[0038] A slot 13 is provided at the inner front side of the cabinet body 1 corresponding to the bottom position of the cabinet door 2, and the cabinet door 2 can be lowered into the slot 13 to fix the cabinet door 2 and prevent the cabinet door 2 from being pushed inward by external force.
[0039] The cabinet 1 is provided with a first layout panel 5, a second layout panel 6 and a third layout panel 7 in sequence from top to bottom; the first layout panel 5 is provided with a lightning protection device, an on-site alarm and a modem; the second layout panel 6 is provided with a power supply, a wireless alarm and a router; the third layout panel 7 is provided with four optical fibers distributed through bayonet-type slots; the power supply is electrically connected to the lightning protection device, the on-site alarm, the wireless alarm and the router.
[0040] The optical fiber is used to monitor the structural health of the tunnel; the lightning protection device is used to protect the communication cabinet from lightning strikes; the on-site alarm is used for on-site sound and light alarm; the modem is responsible for converting analog signals and digital signals; the router is responsible for the distribution and transmission of network signals; the wireless alarm transmits the early warning information back to the monitoring platform through the router; when the tunnel environment changes, the optical fiber will capture the relevant physical quantity changes, and convert this information into digital signals, which are sent to the wireless alarm through the modem, and then the router transmits the signal to the monitoring platform. When the cabinet 1 is violently damaged, the on-site alarm can send out sound and light alarms.
[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A tunnel detection equipment protection and anti-theft device based on distributed optical fiber, characterized in that: It includes a cabinet body, a cabinet door, a driving mechanism, and a lifting mechanism; the cabinet body is vertically arranged, with an opening on its front side and a passage communicating with the interior of the cabinet body on the top; the cabinet door is vertically arranged and movably connected to the cabinet body, with its bottom passing downward through the passage on the top of the cabinet body; the driving mechanism is arranged inside the cabinet body; the upper end of the lifting mechanism is connected to the driving mechanism, and the front side is connected to the cabinet door, and the driving mechanism can drive the lifting mechanism to rise and fall, thereby driving the cabinet door to move up and down, and opening or closing the opening of the cabinet body.
2. According to claim 1, a distributed optical fiber-based tunnel detection equipment protection and anti-theft device is characterized by: The driving mechanism includes a connecting plate, a rotating shaft, a driving gear, a worm wheel, a worm, a mounting plate, a motor, and a toothed disc; the connecting plate is vertically arranged, and its two ends are fixedly connected to the upper parts of the inner arms on both sides of the cabinet, and a first guide groove is provided at the lower rear side of the connecting plate; the rotating shaft is horizontally arranged and rotatably connected to the upper left side of the connecting plate, and its two ends extend in the front and rear directions of the connecting plate; the driving gear fixing sleeve is arranged on the rear side of the rotating shaft; the worm wheel fixing sleeve is arranged on the front side of the rotating shaft; the worm is arranged below the worm wheel and meshes with the worm wheel; the mounting plate is arranged on the front side of the connecting plate, located on the left side of the worm, and the mounting plate is rotatably connected to the left end of the worm; the motor is arranged on the front side of the connecting plate, located on the right side of the worm, and the motor output shaft is fixedly connected to the right end of the worm; the toothed disc is arranged below the driving gear, one side of which meshes with the driving gear, and the other side is connected to the lifting mechanism.
3. According to claim 2, a distributed optical fiber-based tunnel detection equipment protection and anti-theft device is characterized in that: The lifting mechanism includes an active lifting component, which includes a first guide plate, a driven slider, a first slider, an active arm, a first driven arm, and a first fixed block; the first guide plate is arranged below the connecting plate, and a second guide groove is arranged on the rear side thereof; the driven slider is slidably connected to the right side of the first guide groove; the first slider is slidably connected to the left and right sides of the second guide groove respectively; the active arm and the first driven arm are cross-arranged, and the intersection of the active arm and the first driven arm is hinged to each other, the upper end of the active arm is connected to the gear plate, and the upper part is hinged to the connecting plate, and the lower end is hinged to the first slider on the right side; the upper end of the first driven arm is hinged to the driven slider, and the lower end is hinged to the first slider on the left side; there are two first fixed blocks, which are respectively arranged on the left and right sides of the front side of the first guide plate, and the front end thereof is fixedly connected to the rear side of the cabinet door.
4. According to claim 3, a distributed optical fiber-based tunnel detection equipment protection and anti-theft device is characterized in that: It also includes a driven lifting assembly; the driven lifting assembly includes a second guide plate, a second slider, a second driven arm, a third driven arm, and a second fixed block; the second guide plate is arranged below the first guide plate, and a third guide groove is arranged on the rear side of the second guide plate; there are two second sliders, which are respectively arranged on the left and right sides of the third guide groove; the second driven arm and the third driven arm are cross-arranged, and the intersection of the second driven arm and the third driven arm is hinged to each other, the upper end of the second driven arm is connected to the first slider on the left, and the lower end is connected to the second slider on the right; the upper end of the third driven arm is connected to the first slider on the right, and the lower end is connected to the second slider on the left; the second fixed block is provided with two, which are respectively arranged on the left and right sides of the front side of the second guide plate, and its front end is fixedly connected to the rear side of the cabinet door.
5. The distributed optical fiber-based tunnel detection equipment protection and anti-theft device according to claim 4 is characterized in that: The driven lifting components are provided in plurality and are connected up and down in sequence.
6. The distributed optical fiber-based tunnel detection equipment protection and anti-theft device according to claim 1 is characterized by: A slot is arranged on the front side of the cabinet body corresponding to the bottom of the cabinet door.
7. The distributed optical fiber-based tunnel detection equipment protection and anti-theft device according to claim 1 is characterized by: The cabinet is provided with a first layout panel, a second layout panel and a third layout panel in sequence from top to bottom; the first layout panel is provided with a lightning protection device, an alarm and a modem; the second layout panel is provided with a power supply and a router; the third layout panel is provided with an optical fiber.