Suspension rail type mobile platform for immersed tunnel monitoring

Abstract

The utility model discloses a suspension rail type mobile platform for immersed tunnel monitoring, which is provided with two groups of suspension bearing wheel mechanisms used for suspending the mobile platform on a rail at the top of an immersed tunnel. The moving platform is further provided with two clamping driving wheel mechanisms, the two clamping driving wheel mechanisms are installed on the two sides of the track in a sliding mode through sliding ways, a lead screw is installed, one end of the lead screw is connected with a lead screw driving motor, and the lead screw is driven by the lead screw driving motor to rotate forwards or backwards. And then the two clamping driving wheel mechanisms are driven to synchronously move oppositely / oppositely, so that the driving wheels on the two clamping driving wheel mechanisms clamp / separate the track. When in use, the suspension rail type mobile platform can be suspended on a rail at the top of an immersed tunnel in a walking manner and can walk along the rail, and various monitoring modules / monitoring sensors can be carried on the suspension rail type mobile platform, so that the internal environment of the immersed tunnel can be inspected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tunnel monitoring device technical field, concretely relates to a kind of for immersed tube tunnel monitoring suspension rail type mobile platform. BACKGROUND

[0002] Due to the particularity of occurrence environment, underwater immersed tube tunnel is easily affected by factors such as topography, geology and water occurrence environment and construction and operation processes;These factors can cause a series of problems in the tunnel, such as: tunnel cracks, water leakage, pipe segment deformation displacement, etc., so the monitoring of underwater immersed tube tunnel state is particularly important.

[0003] At present, the inspection work of immersed tube tunnel mainly uses artificial patrol or vehicle inspection method to carry out maintenance inspection, and artificial inspection needs to carry out channel management, which not only is low in efficiency, but also seriously hinders normal traffic operation;And vehicle inspection method is mainly used for periodic inspection, and it is difficult to meet the needs of daily patrol and frequent inspection. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the prior art's insufficient, and proposes a kind of for immersed tube tunnel monitoring suspension rail type mobile platform.

[0005] The utility model is realized by the following technical solutions:

[0006] A kind of for immersed tube tunnel monitoring suspension rail type mobile platform, including bearing structure base plate and the suspension support wheel mechanism and clamping drive wheel mechanism installed on bearing structure base plate;

[0007] The number of the suspension support wheel mechanism is four, two are a group, and the two suspension support wheel mechanisms of each group are symmetrically laid on the two sides of track, each suspension support wheel mechanism includes support wheel and support wheel mounting bracket, support wheel is installed on support wheel mounting bracket, the bottom end of support wheel mounting bracket is fixedly installed on bearing structure base plate, and support wheel is used to be suspended on track;

[0008] The number of the clamping drive wheel mechanisms is two, which are symmetrically arranged on the two sides of the track and are located at the middle positions between the two groups of suspension support wheel mechanisms; each clamping drive wheel mechanism comprises a drive wheel, a drive wheel mounting plate, a spring and telescopic connecting rod assembly, a drive wheel motor and a sliding mounting frame, wherein the drive wheel is used to contact the side wall of the track, the drive wheel and the drive wheel motor are mounted on the drive wheel mounting plate, the drive wheel motor is used to drive the drive wheel to rotate, and the drive wheel mounting plate is connected to the sliding mounting frame through the spring and telescopic connecting rod assembly; the sliding mounting frames of the two clamping drive wheel mechanisms are slidingly mounted on the two sides of the track through two parallel slides, and a lead screw is installed through the two sliding mounting frames, the lead screw has two thread segments with opposite rotation directions which are symmetrically arranged, one sliding mounting frame is matched with one thread segment of the lead screw through a lead screw nut, the other sliding mounting frame is matched with the other thread segment of the lead screw through another lead screw nut, one end of the lead screw is connected with a lead screw driving motor, the lead screw driving motor is fixedly mounted on the bearing structure base plate, the lead screw is driven to rotate forwardly / reversely by the lead screw driving motor, thereby driving the two sliding mounting frames to move synchronously away from / against each other, and thereby making the drive wheels on the two sliding mounting frames clamp / separate the track.

[0009] In the above technical solution, the support wheel adopts a nylon plastic-coated bearing, which has strong wear resistance, corrosion resistance and high load capacity.

[0010] In the above technical solution, the spring and telescopic connecting rod assembly comprises a telescopic rod and a spring, one end of the telescopic rod is connected to the drive wheel mounting plate, the other end is mounted on the sliding mounting frame, and the spring is sleeved on the telescopic rod, thereby enabling the drive wheel to provide flexible pressure to the track.

[0011] In the above technical solution, a pressure sensor is further arranged between the spring of the spring and telescopic connecting rod assembly and the sliding mounting frame, the pressure sensor can monitor the spring force of the spring, thereby representing the pressure of the drive wheel to the track. According to the detection value of the pressure sensor, the lead screw driving motor can be adjusted, thereby adjusting the appropriate pressure of the drive wheels on the two sliding mounting frames to the track, to ensure the walking stability of the suspended rail type mobile platform on the track.

[0012] In the above technical solution, a rotary encoder is further arranged on the output shaft of the drive wheel motor of the suspended rail type mobile platform, the number of revolutions of the drive wheel is detected through the rotary encoder, the circumference of the wheel is calculated according to the wheel spacing of the drive wheel, and the real-time moving position of the suspended rail type mobile platform on the track can be calculated.

[0013] In the above technical solution, a function box is further arranged at the bottom of the bearing structure base plate, and the power supply and control system of the suspended rail type mobile platform are arranged inside the function box.

[0014] The utility model discloses the advantages and beneficial effects are:

[0015] The utility model discloses a suspension rail type mobile platform, when using, can walk the suspension rail type mobile platform can be hung installation on the track of the top of immersed tube tunnel, along the track and walk, in the suspension rail type mobile platform can carry multiple monitoring module / monitoring sensor (for example: temperature and humidity sensor, dust sensor, CO2 concentration sensor or camera etc.), thereby can realize the inside environment of immersed tube tunnel and carry out the inspection.

[0016] The utility model discloses a suspension rail type mobile platform has two clamping drive wheel mechanisms, and the two clamping drive wheel mechanisms are slidably installed on the two sides of the track through the slide, and a lead screw is installed, one end of the lead screw is connected with the lead screw drive motor, the lead screw is driven to rotate forwardly / reversely through the lead screw drive motor, and then the two clamping drive wheel mechanisms are driven to move synchronously relatively / oppositely, and then the drive wheels on the two clamping drive wheel mechanisms clamp / separate the track.

[0017] The utility model discloses a suspension rail type mobile platform has two clamping drive wheel mechanisms, and the two clamping drive wheel mechanisms are slidably installed on the two sides of the track through the slide, and a lead screw is installed, one end of the lead screw is connected with the lead screw drive motor, the lead screw is driven to rotate forwardly / reversely through the lead screw drive motor, and then the two clamping drive wheel mechanisms are driven to move synchronously relatively / oppositely, and then the drive wheels on the two clamping drive wheel mechanisms clamp / separate the track.

[0018] The utility model discloses a suspension rail type mobile platform has two clamping drive wheel mechanisms, and the two clamping drive wheel mechanisms are slidably installed on the two sides of the track through the slide, and a lead screw is installed, one end of the lead screw is connected with the lead screw drive motor, the lead screw is driven to rotate forwardly / reversely through the lead screw drive motor, and then the two clamping drive wheel mechanisms are driven to move synchronously relatively / oppositely, and then the drive wheels on the two clamping drive wheel mechanisms clamp / separate the track. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic drawing of the suspension rail type mobile platform for immersed tube tunnel monitoring of the utility model.

[0020] Figure 2 It is the use state schematic drawing of the suspension rail type mobile platform for immersed tube tunnel monitoring of the utility model.

[0021] For the ordinary skill in the art, under the premise of not paying the creative labor, can obtain other relative drawings according to the above drawing. DETAILED DESCRIPTION

[0022] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme of the present application will be further described below in combination with specific embodiments.

[0023] The utility model discloses a kind of suspended rail type mobile platforms for immersed tube tunnel monitoring, when using, the suspended rail type mobile platform can be walked and hangs installation on the track on the top of immersed tube tunnel, walks along track, in the suspended rail type mobile platform can carry multiple monitoring modules / monitoring sensors (for example: temperature and humidity sensor, dust sensor, CO2 concentration sensor or camera etc.), so that the internal environment of immersed tube tunnel can be inspected.

[0024] Specifically, referring to the accompanying drawings Figure 1 The utility model discloses a kind of suspended rail type mobile platforms, including bearing structure base plate 101 and the suspension support wheel mechanism 102 and clamping drive wheel mechanism 103 installed on bearing structure base plate 101.

[0025] The number of the suspension support wheel mechanism 102 is four, two are a group, and the two suspension support wheel mechanisms 102 of each group are symmetrically laid on the two sides of the track 100, each suspension support wheel mechanism 102 includes support wheel 1021 and support wheel mounting bracket 1022, support wheel 1021 is installed on support wheel mounting bracket 1022, the bottom end of support wheel mounting bracket 1022 is fixedly installed on bearing structure base plate 101, support wheel 1021 is used to hang on track 100, and then the entire suspended rail type mobile platform can be stably hung on track 100 by the above-mentioned two groups of suspension support wheel mechanisms 102. Further, the support wheel 1021 adopts nylon plastic bearing, has strong wear resistance, corrosion resistance, high load capacity, the support wheel 1021 does not provide power, and its function is only to hang the suspended rail type mobile platform on track 100;In order to prevent suspended rail type mobile platform from sliding off track 100, the spacing of the support wheel 1021 of the two suspension support wheel mechanisms 102 of each group does not exceed one third of track width.

[0026] The number of the clamping drive wheel mechanisms 103 is two, which are symmetrically arranged on both sides of the track 100 and are located at the middle positions between the two groups of suspension support wheel mechanisms 102; each clamping drive wheel mechanism 103 comprises a drive wheel 1031, a drive wheel mounting plate 1032, a spring and telescopic connecting rod assembly 1033, a drive wheel motor 1034 and a sliding mounting frame 1035, wherein the drive wheel 1031 is used to contact the side wall of the track 100, the drive wheel 1031 and the drive wheel motor 1034 are mounted on the drive wheel mounting plate 1032, the drive wheel motor 1034 is used to drive the drive wheel 1031 to rotate, and the drive wheel mounting plate 1032 is connected to the sliding mounting frame 1035 through the spring and telescopic connecting rod assembly 1033; the sliding mounting frames 1035 of the two clamping drive wheel mechanisms 103 are slidingly mounted on both sides of the track 100 through two parallel sliding rails 1036, the sliding rails 1036 are fixedly mounted on the load-bearing structure base plate 101, and the two sliding mounting frames 1035 are installed through a lead screw 1037 having two thread segments with opposite rotation directions which are symmetrically arranged, one sliding mounting frame 1035 is matched with one thread segment of the lead screw 1037 through a lead screw nut, the other sliding mounting frame 1035 is matched with the other thread segment of the lead screw 1037 through another lead screw nut, one end of the lead screw 1037 is connected with a lead screw drive motor, the lead screw drive motor is fixedly mounted on the load-bearing structure base plate 101, the lead screw 1037 is driven to rotate forwardly / reversely by the lead screw drive motor, thereby driving the two sliding mounting frames 1035 to move synchronously away from / against each other, and thereby making the drive wheels 1031 on the two sliding mounting frames 1035 clamp / separate the track 100.

[0027] Further, the spring and telescopic connecting rod assembly 1033 comprises a telescopic rod and a spring, one end of the telescopic rod is connected to the drive wheel mounting plate 1032, the other end is mounted on the sliding mounting frame 1035, and the spring is sleeved on the telescopic rod, thereby enabling the drive wheel 1031 to provide flexible pressure to the track 100. Still further, a pressure sensor (i.e. the end of the spring contacts the pressure sensor) is arranged between the spring of the spring and telescopic connecting rod assembly 1033 and the sliding mounting frame 1035, which can monitor the spring force of the spring, thereby representing the pressure of the drive wheel 1031 to the track 100, and the lead screw drive motor can be adjusted according to the detection value of the pressure sensor, thereby adjusting the appropriate pressure of the drive wheels 1031 on the two sliding mounting frames 1035 to the track 100, to ensure the walking stability of the suspension track type moving platform on the track 100.

[0028] Further, a rotary encoder is arranged on the output shaft of the drive wheel motor 1034 of the suspension rail type mobile platform, the number of revolutions of the drive wheel is detected through the rotary encoder, and the wheel circumference is calculated according to the wheel base of the drive wheel, so that the real-time moving position of the suspension rail type mobile platform on the track 100 can be calculated.

[0029] Further, referring to the drawings Figure 2 A function box 2 is further arranged at the bottom of the bearing structure substrate 101, and the power supply and the control system of the suspension rail type mobile platform are arranged in the function box 2.

[0030] The above has exemplarily described the utility model, and it should be indicated that, without departing from the core of the utility model, any simple transformation, modification or equivalent replacement which can not cost creative labor of other technicians in the art falls into the protection range of the utility model.

Claims

1. A suspended rail mobile platform for immersed tunnel monitoring, characterized by: The suspension bearing wheel mechanism and the clamping driving wheel mechanism are mounted on the load-bearing structure substrate; The number of the suspension bearing wheel mechanisms is four, two of which are a group, and the two suspension bearing wheel mechanisms of each group are symmetrically arranged on the two sides of the track. Each suspension bearing wheel mechanism comprises a bearing wheel and a bearing wheel mounting rack, the bearing wheel is mounted on the bearing wheel mounting rack, and the bottom end of the bearing wheel mounting rack is fixedly mounted on the load-bearing structure substrate. The bearing wheel is used for being suspended on the track. The number of the clamping driving wheel mechanisms is two, which are symmetrically arranged on the two sides of the track and located at the middle position between the two groups of suspension bearing wheel mechanisms. Each clamping driving wheel mechanism comprises a driving wheel, a driving wheel mounting plate, a spring and telescopic connecting rod assembly, a driving wheel motor and a sliding mounting frame. The driving wheel is used for contacting the side wall of the track. The driving wheel and the driving wheel motor are mounted on the driving wheel mounting plate. The driving wheel motor is used for driving the driving wheel to rotate. The driving wheel mounting plate is connected to the sliding mounting frame through the spring and telescopic connecting rod assembly. The sliding mounting frames of the two clamping driving wheel mechanisms are slidingly mounted on the two sides of the track through two parallel slides. The two sliding mounting frames are installed through a lead screw, which has two thread segments with opposite rotation directions symmetrically arranged. One of the sliding mounting frames is matched with one of the thread segments of the lead screw through a lead screw nut, and the other sliding mounting frame is matched with the other thread segment of the lead screw through another lead screw nut. One end of the lead screw is connected with a lead screw driving motor, and the lead screw driving motor is fixedly mounted on the load-bearing structure substrate.

2. The trolley-mounted mobile platform for immersed tunnel monitoring of claim 1, wherein: The bearing wheel adopts a nylon plastic-coated bearing.

3. The trolley-mounted mobile platform for immersed tunnel monitoring of claim 1, wherein: The spring and telescopic connecting rod assembly comprises a telescopic rod and a spring. One end of the telescopic rod is connected to the driving wheel mounting plate, and the other end is mounted on the sliding mounting frame. The spring is sleeved on the telescopic rod.

4. The trolley-mounted mobile platform for immersed tunnel monitoring of claim 3, wherein: A pressure sensor is further arranged between the spring and the sliding mounting frame of the spring and telescopic connecting rod assembly.

5. The overhead track mobile platform for immersed tunnel monitoring of claim 1, wherein: A rotary encoder is further arranged on the output shaft of the driving wheel motor of the suspension rail type mobile platform.

6. The overhead track mobile platform for immersed tunnel monitoring of claim 1, wherein: A function box is further arranged at the bottom of the load-bearing structure substrate.

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