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CN-117465490-B - Folding track bicycle for shield tunnel

CN117465490BCN 117465490 BCN117465490 BCN 117465490BCN-117465490-B

Abstract

The invention discloses a shield tunnel folding track bicycle, which relates to the technical field of track bicycles and comprises a main frame, wherein a driving shaft sleeve is arranged at the bottom end of the main frame, a seat tube is inserted into the top end of the main frame, a saddle is arranged at the top end of the seat tube, a telescopic connecting tube is arranged at the top of one side of the main frame, a head tube is arranged at one end of the telescopic connecting tube, a damping front fork arm is arranged at the bottom of the head tube, a foldable handle is arranged at the top of the head tube, a ranging and positioning box is arranged at one side of the foldable handle, a display device is arranged at the top end of the foldable handle, a foldable tripod is sleeved outside the driving shaft sleeve, a rear wheel cross arm is arranged at one side of the foldable tripod, a rear folding upright rod is arranged at the top of the foldable tripod, and an auxiliary wheel mounting seat is arranged at the top of the rear folding upright rod. Through the innovative design, the method improves the operation convenience, safety and intelligence level in the shield tunnel construction, and has obvious positive influence on improving the working environment of workers and improving the working efficiency.

Inventors

  • XIE PING
  • YANG XUMING
  • YANG QISHUANG
  • CAO LEI
  • SONG KECHENG

Assignees

  • 江苏格睿特管网工程有限公司

Dates

Publication Date
20260505
Application Date
20231214

Claims (9)

  1. 1. The utility model provides a shield tunnel folding track bicycle, includes main frame (1), and this main frame (1) bottom is provided with drive shaft sleeve pipe (2), and this main frame (1) top is interluded there is seat pipe (3), and this seat pipe (3) top is provided with saddle (4), a serial communication port, main frame (1) one side top is provided with scalable connecting pipe (5), scalable connecting pipe (5) one end is provided with head pipe (6), head pipe (6) bottom is provided with shock attenuation front fork arm (7), head pipe (6) top is provided with collapsible handle (8), collapsible handle (8) one side is provided with range finding locating box (9), collapsible handle (8) top is provided with display device (10); The foldable tripod is characterized in that a foldable tripod (11) is sleeved outside the driving shaft sleeve (2), a rear wheel cross arm (12) is arranged on one side of the foldable tripod (11), a rear folding upright rod (13) is arranged at the top of the foldable tripod (11), an auxiliary wheel mounting seat (14) is arranged at the top of the rear folding upright rod (13), a foldable adjustable auxiliary wheel mechanism (15) is arranged on one side of the auxiliary wheel mounting seat (14), and a rear bracket locking mechanism (16) is arranged at the top of the other side of the main frame (1); the telescopic connecting pipe (5) comprises an upper fixing sleeve (501) and a lower fixing sleeve (502) which are arranged at the top of one side of the main frame (1), one end of the upper fixing sleeve (501) is sleeved with a distance adjusting sleeve (503) and is in threaded connection, the other end of the distance adjusting sleeve (503) is provided with an upper adjusting connecting rod (504), an I-shaped movable joint is kept between the distance adjusting sleeve (503) and the upper adjusting connecting rod (504), the upper adjusting connecting rod (504) and the upper fixing sleeve (501) are positioned on the same axis, and friction increasing lines are arranged on the outer side of the circumference of the distance adjusting sleeve (503); one end of the lower fixed sleeve (502) is inserted and provided with a lower interpolation connecting rod (505), and the lower interpolation connecting rod (505) and the upper adjusting connecting rod (504) are always kept parallel.
  2. 2. The shield tunnel folding track bicycle according to claim 1, wherein a vehicle body buckling mechanism (17) is arranged between the same end of the upper adjusting connecting rod (504) and the lower inserting connecting rod (505) and the head pipe (6), and a handlebar buckling mechanism (18) is arranged between the top end of the head pipe (6) and the foldable handle (8); The novel shock-absorbing bicycle is characterized in that a front wheel (19) is arranged at the inner bottom of the shock-absorbing front fork arm (7), a rear wheel (20) is arranged at the inner bottom of the rear wheel cross arm (12), the front wheel (19) and the rear wheel (20) are of conical structures matched with rails, a rear wheel transmission is arranged on one side of the rear wheel (20), a driving transmission (21) is arranged on one side of the driving shaft sleeve (2), pedals (22) are arranged on two sides of the driving transmission (21), the bottom of the foldable tripod (11) is connected with a rotating shaft of the driving shaft sleeve (2), and a rear wheel shock-absorbing spring (23) is arranged between the top of the rear folding upright (13) and the top of the rear wheel cross arm (12).
  3. 3. A folding track bicycle for shield tunnels according to claim 2, characterized in that a fixed locking piece (24) is arranged between the tops of the two rear folding uprights (13); The rear bracket locking mechanism (16) is in including setting up lock seat (1601) on one side top of main frame (1), lock groove (1602) have been seted up to interior bottom of lock seat (1601), inside interlude of lock groove (1602) is provided with locking handle (1603), locking handle (1603) top is provided with handle (1604), locking handle (1603) bottom is provided with hasp (1605), locking handle (1603) outside cover is equipped with locking spring (1606).
  4. 4. A shield tunnel folding track bike according to claim 3, characterized in that the foldable and adjustable auxiliary wheel mechanism (15) comprises a mounting insert (1501) arranged in the auxiliary wheel mounting seat (14), an X-axis rotating fixing rod (1502) is arranged on one side of the mounting insert (1501), the other end of the X-axis rotating fixing rod (1502) is movably connected with one end of an X-axis rotating telescopic rod (1503), the other end of the X-axis rotating telescopic rod (1503) is movably connected with one end of a Y-axis rotating fixing rod (1505) through a connecting shaft (1504), the other end of the Y-axis rotating fixing rod (1505) is movably connected with one end of a Y-axis rotating telescopic rod (1506), and an auxiliary wheel (1507) is arranged on the other end of the Y-axis rotating telescopic rod (1506).
  5. 5. The shield tunnel folding track bicycle of claim 4, wherein the X-axis rotating and fixing rod (1502), the X-axis rotating and telescoping rod (1503), the Y-axis rotating and fixing rod (1505) and the Y-axis rotating and telescoping rod (1506) are all C-shaped steel structures, a plurality of equally-spaced positioning holes (1508) are formed in the X-axis rotating and fixing rod (1502) and the Y-axis rotating and fixing rod (1505), positioning spring pins (1509) are arranged in the positioning holes (1508), and limiting spring pins (1510) are arranged in the connecting shaft (1504); The auxiliary wheel (1507) is of a conical structure matched with a track, and the direction of the auxiliary wheel (1507) is opposite to that of the front wheel (19) and the rear wheel (20).
  6. 6. The shield tunnel folding track bicycle according to claim 1, wherein an optical signal receiving module (901), a vehicle body posture monitoring module (902), a vehicle body detection positioning module (903), a vehicle body track recording module (904), a tunnel obstacle detection module, a remote wireless communication module (906) and a power supply module (907) are arranged in the ranging positioning box (9); The optical signal receiving module (901) is used for receiving optical signals transmitted by the measuring base station arranged in the shield tunnel, and distinguishing the current position of the transmitting base station through information identification of the optical signals; The vehicle body posture monitoring module (902) is used for acquiring real-time vehicle body posture information of a vehicle body in the track traveling process by integrating different sensors; the vehicle body detection positioning module (903) is used for calculating real-time vehicle body position information by calculating the distance between the current vehicle body and different measuring base stations and carrying out position updating by combining a GIS technology; the vehicle body track recording module (904) is used for determining the movement track of the bicycle body according to the vehicle body position information and recording in real time by combining with the construction environment of the shield tunnel track; The tunnel obstacle detection module (905) is used for detecting obstacles positioned in front of a bicycle body in a shield tunnel by utilizing an ultrasonic ranging principle and executing anti-collision early warning; The remote wireless communication module (906) is used for establishing wireless communication connection with the display device (10) or a mobile terminal and synchronizing the detected vehicle body position information to the display device (10); the power supply module (907) is configured to provide independent power supply to implement device driving.
  7. 7. The shield tunnel folding track bike according to claim 6, wherein the light signal receiving module (901) comprises a light sensitive element unit, a timing reference unit and an error calculation elimination unit; The photoelectric sensor unit is used for acquiring laser emitted by the measuring base station as optical signals, and the optical signals emitted by different measuring base stations have different pulse amplitudes and widths; the timing reference unit is used for converting the received optical signals into voltage pulses, measuring the time difference between the pulses and calculating the distance between the vehicle body and the measuring base station.
  8. 8. The shield tunnel folding track bike according to claim 6, wherein the tunnel obstacle detection module (905) comprises an ultrasonic sensor module unit, a distance detection calculation unit, an anti-collision early warning unit and an intelligent decision obstacle avoidance unit; the ultrasonic sensor module unit is used for detecting obstacles in front of a bicycle body by utilizing an ultrasonic sensor, so that objects with relatively close distances in a shield tunnel can be rapidly and accurately detected, and real-time data are provided for collision prevention; The distance detection calculation unit is used for analyzing and processing the data acquired by the ultrasonic sensor module by adopting real-time data processing and algorithm, and identifying potential collision risk through the algorithm; the anti-collision early warning unit is used for triggering an anti-collision early warning system based on the detected obstacle, sending a warning signal to a user or executing corresponding precautions; the intelligent decision obstacle avoidance unit is used for analyzing the output of the anti-collision early warning system by utilizing an intelligent decision algorithm and implementing an obstacle avoidance anti-collision control strategy.
  9. 9. The folding track bike for shield tunnel according to claim 6, wherein calculating real-time car body position information by calculating the distance between the current car body and different measuring base stations and performing position update in combination with GIS technology comprises: Acquiring optical signals transmitted by different measuring base stations received in the travelling process of a bicycle, respectively calculating the distance difference between the different optical signals and the current bicycle body, and then calculating the distance difference between the different measuring base stations by using a difference calculation formula; Carrying out Taylor series expansion on the initial coordinate where the vehicle body is located, simultaneously ignoring components above the second order to obtain a Taylor series expansion model, and carrying out iterative calculation; carrying out weighted least square algorithm on the Taylor series expansion model to obtain a least square estimation value, and substituting the least square estimation value into the difference calculation formula to carry out the next Taylor series expansion; Repeating iteration until the difference value between the real coordinates and the iteration value of the bicycle body is smaller than a specified threshold value, and obtaining high-precision bicycle body position information; and importing the vehicle body position information into a shield tunnel construction map model established based on a GIS technology, and visually displaying the current vehicle body position information in a dynamic real-time updating mode.

Description

Folding track bicycle for shield tunnel Technical Field The invention relates to the technical field of track bicycles, in particular to a shield tunnel folding track bicycle. Background The shield tunnel is a tunnel construction method for underground engineering and is mainly characterized in that the shield machine is used for pushing underground, and stratum excavation and tunnel support are carried out at the same time. The shield tunnel construction is suitable for different geological conditions, including soft soil, hard rock and the like, and is widely applied to the fields of urban subways, traffic tunnels, hydraulic engineering and the like. In the construction process of the shield tunnel, the shield machine is continuously propelled to simultaneously carry out tunneling of stratum and supporting of tunnel walls. The method generally comprises the step of arranging a cutter disc at the head of the shield tunneling machine for cutting the stratum, and carrying soil scraps and installing a tunnel supporting structure at the rear. The running track of the shield machine is usually along the design track of the tunnel, so that the construction accuracy and efficiency are ensured. The track system of the shield tunnel plays a key role in the track system, ensures the stable propulsion of the shield machine along a preset track, and simultaneously provides a passageway for constructors to enter and exit. The shield tunnel track refers to a track system arranged in a shield tunnel, and has the functions of supporting the propulsion of a shield machine, and providing a traffic channel and a possible transportation system in the construction process. The track is typically positioned along the length of the tunnel, provides guidance for the shield machine, and remains stable during tunnel construction. The track system can also be used for transporting construction materials, equipment and personnel to enter and exit the tunnel, so that the construction efficiency is improved. With the wide application of domestic shield construction technology, the limited tunnel space becomes a significant challenge, especially in small-diameter shield construction. In such construction environments, workers often need to perform complex operations in limited space, including walking from the wellhead to the center of the shield machine. Due to the small tunnel diameter, it becomes very difficult for workers to walk long distances in limited spaces, especially with load carrying tools. This has a significant impact on the physical strength and work efficiency of the worker. Workers need to frequently walk through a limited tunnel space and walk from the wellhead to the center of the shield machine, which can be time and labor intensive. Since the degree of freedom of movement is limited, a worker is required to cope with not only the inconvenience of walking due to the narrow space but also the difficulty of carrying tools and equipment. In this case, the worker is not only easily tired, but also the work efficiency may be greatly reduced due to the excessive walking time. For the problems in the related art, no effective solution has been proposed at present. Disclosure of Invention Aiming at the problems in the related art, the invention provides a shield tunnel folding track bicycle, which aims to overcome the technical problems in the prior art. For this purpose, the invention adopts the following specific technical scheme: A shield tunnel folding track bicycle comprises a main frame, a driving shaft sleeve is arranged at the bottom end of the main frame, a seat tube is inserted into the top end of the main frame, a seat is arranged at the top end of the seat tube, a telescopic connecting tube is arranged at the top of one side of the main frame, a head tube is arranged at one end of the telescopic connecting tube, a damping front fork arm is arranged at the bottom of the head tube, a foldable handle is arranged at the top of the head tube, a distance measuring positioning box is arranged at one side of the foldable handle, a display device is arranged at the top end of the foldable handle, a foldable tripod is sleeved outside the driving shaft sleeve, a rear wheel cross arm is arranged at one side of the foldable tripod, a rear folding upright rod is arranged at the top of the rear folding upright rod, an auxiliary wheel mounting seat is arranged at one side of the auxiliary wheel mounting seat, a foldable adjustable auxiliary wheel mechanism is arranged at the top of the other side of the main frame, and a rear support locking mechanism is arranged at the top of the other side of the main frame. Further, in order to change the distance between the head pipe and the main frame through the action of the distance adjusting sleeve, further change the distance between the saddle and the foldable handle, meet the use requirements of different users, the telescopic connecting pipe is more humanized, the telescopic conne