CN218988728U - Tunnel maintenance operation car group - Google Patents

Abstract

The application relates to the technical field of railway tunnel maintenance, and provides a tunnel maintenance operation vehicle set and an operation method of the tunnel maintenance operation vehicle set, wherein the operation method comprises the following steps: the lifting platform operation vehicle is arranged on the lifting track flat car, the tunnel maintenance multi-platform operation vehicle, the tractor and the lifting track flat car, and comprises a crane which can hoist the lifting platform operation vehicle to a preset operation position; the tunnel maintenance multi-platform operation vehicle is connected with the lifting track flat car and forms a trailer train, and comprises a flat car and a multi-platform operation device, wherein the multi-platform operation device is fixed on the flat car; the tractor is connected with the trailer train, and the tractor is used for driving the trailer train to walk, has saved the time of traditional on-the-spot operation platform of putting up, does benefit to fully to do benefit to skylight time, improves the efficiency of construction.

Description

Tunnel maintenance operation car group

Technical Field

The application relates to the technical field of railway tunnel maintenance, in particular to a tunnel maintenance operation vehicle set.

Background

The construction method for railway tunnel disease repair mainly comprises the steps of using a small flat car to carry small machines, materials and scaffolds, manually constructing an operation platform after reaching a working face, and using a rail car as traction power, placing equipment, materials and bracket materials on the road flat car, and then constructing the operation platform. Both methods require the operation platform to be set up at the working surface, and for limited skylight time, the preparation time is long and the construction efficiency is low.

Disclosure of Invention

The embodiment of the application provides a tunnel maintenance operation car group to solve when repairing railway tunnel disease, set up at working face department operation platform, to the problem that the preparation time is longer, the efficiency of construction is low of limited skylight time.

In order to achieve the above purpose, the present application provides the following technical solutions:

the embodiment of the application provides a tunnel maintenance operation car group, includes:

the lifting platform operation vehicle can be lifted or lowered, and comprises a crane which can hoist the lifting platform operation vehicle to a preset operation position;

a tunnel maintenance multi-platform working vehicle connected with the hanging rail flat car and forming a trailer train, the tunnel maintenance multi-platform operation vehicle comprises a flat carriage and at least one multi-platform operation device, wherein the multi-platform operation device can be lifted or lowered and is fixed on the flat carriage;

the tractor is connected with the trailer train and is used for driving the trailer train to walk.

Optionally, the lifting rail flatcar further comprises a flatcar body, and the crane is mounted on the flatcar body.

Optionally, the lifting platform work vehicle includes: the first platform operation part, the lifting part, the first leveling part and the first walking part; the first platform operation part is mounted on the lifting part, and the lifting part is configured to enable the first platform operation part to lift; the lifting part is arranged on the first leveling part, and the first leveling part is configured to horizontally adjust the lifting part; the first leveling part is arranged on the first walking part.

Optionally, the first platform working part comprises a scissor lifting mechanism and a first telescopic workbench; the lower part of the shear fork lifting mechanism is arranged on the lifting part, the upper part of the shear fork lifting mechanism is connected with the first telescopic workbench, and the shear fork lifting mechanism is configured to lift the first telescopic workbench.

Optionally, the lifting part comprises a guiding part, a stand column, a first frame and a first telescopic device; one end of the upright post is inserted into the guide part, the fixed end of the first telescopic device is connected with the guide part, the telescopic end of the first telescopic device is connected with the upright post, and the first frame is fixed at the other opposite end of the upright post; the first telescopic device is configured to drive the upright to lift relative to the guide portion.

Optionally, the first telescopic table includes a fixed portion and a side pushing portion configured to be movable with respect to a width direction of the fixed portion, so that a platform area of the first telescopic table can be increased or decreased.

Optionally, the fixing part is connected with the upper part of the scissor lifting mechanism; the fixed part comprises a first platform and a first guardrail, the first guardrail is hinged to the first platform, the side pushing part comprises a second platform and a second guardrail, the second guardrail is hinged to the second platform, the second platform can slide relative to the first platform, and the second guardrail is connected with the first guardrail through a first telescopic rod.

Optionally, the multi-platform working device comprises a lifting device and an operation platform, wherein the lifting device is connected with the lower surface of the operation platform, and the lifting device is configured to enable the operation platform to be lifted or lowered.

Optionally, the multi-platform working device further comprises a platform frame, and the lifting device is mounted on the platform frame.

Optionally, the multi-platform working device further comprises a base, and a leveling assembly is installed between the base and the platform frame and is configured to level the platform frame.

Optionally, the leveling component comprises a first hinged support, a first hinged lug, a leveling telescoping device and a level detection device; the first hinge support is fixed on the base, the first hinge lug is fixed on the platform frame, and the first hinge lug is hinged with the first hinge support through a hinge shaft; two ends of the leveling expansion device are respectively hinged with the base and the platform frame; the horizontal detection device is used for detecting the horizontal of the platform frame, so that when the levelness of the platform frame is not matched with a preset range, the platform frame is lifted and adjusted through the leveling telescoping device.

Optionally, the leveling telescoping device is a hydraulic cylinder; the hinge shaft is parallel to the front-back direction of the flatcar; the left side and the right side of the platform frame are respectively provided with one leveling telescoping device; the cylinder body of the hydraulic oil cylinder is hinged with the base, and the end part of the telescopic rod of the hydraulic oil cylinder is hinged with the platform frame.

Optionally, the operation platform comprises a platform supporting part and a fence part, wherein the fence part is arranged around the circumference of the platform supporting part; the platform supporting part comprises a first subsection and a second subsection, and the first subsection and the second subsection comprise supporting frames and platform plates fixed on the supporting frames; the first part is fixed on the lifting device, the second part is positioned above the first part, and the second part and the first part are mutually staggered in the vertical direction; the lower surface interval of first branch is fixed with two at least platform pneumatic cylinder, the cylinder body of platform pneumatic cylinder with the lower surface fixed connection of first branch, the telescopic link of platform pneumatic cylinder with second branch fixed connection, in order to make according to the extension and contraction of platform pneumatic cylinder the second branch can be for first branch removes.

Adopt the tunnel maintenance operation car group that provides in this application embodiment, compare in prior art, have following technical effect:

the lifting platform operation vehicle is transported by adopting the lifting track flatcar, the crane fully lifts the lifting platform operation vehicle, so that the crane walks on a corresponding line, and the operation of operators on a preset operation position is realized by lifting or falling, so that the time for building an operation platform on the traditional site is saved, the skylight time is fully facilitated, and the construction efficiency is improved; meanwhile, the tunnel maintenance multi-platform operation vehicle further improves the construction efficiency; the tractor is connected with the trailer train, and the tractor is used for driving the trailer train to run, so that the trailer train can reach the appointed construction position, and time is saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic illustration of a lift platform work vehicle in an extended configuration according to one or more embodiments of the present disclosure;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of a lift platform work vehicle in a stowed position according to one or more embodiments of the present disclosure;

FIG. 4 is a schematic view of a first travel portion provided in one or more embodiments of the present application;

FIG. 5 is a schematic view of a first leveling component according to one or more embodiments of the present disclosure;

FIG. 6 is a schematic structural diagram of a lifting portion according to one or more embodiments of the present disclosure;

FIG. 7 is a schematic structural diagram of a first platform working part according to one or more embodiments of the present disclosure;

FIG. 8 is a schematic structural view of a side platform portion provided in one or more embodiments of the present application;

FIG. 9 is a schematic structural view of a tunnel maintenance multi-platform work vehicle provided in one or more embodiments of the present application;

FIG. 10 is a schematic structural view of a flatcar provided in one or more embodiments of the present application;

FIG. 11 is a schematic view of a multi-platform working device according to one or more embodiments of the present disclosure in a stowed configuration;

FIG. 12 is an enlarged partial schematic view at B in FIG. 11;

FIG. 13 is a schematic view of a multi-platform working device according to one or more embodiments of the present disclosure in an expanded state;

FIG. 14 is an enlarged partial schematic view of FIG. 13C;

FIG. 15 is a partially enlarged schematic view of FIG. 13 at D;

FIG. 16 is a schematic illustration of single-wire tunnel maintenance using a tunnel maintenance multi-platform work vehicle provided in one or more embodiments of the present application;

FIG. 17 is a schematic diagram of a suspended track flatcar in one or more embodiments of the present disclosure;

FIG. 18 is a work diagram of a lifting platform work vehicle lifting a suspended track flatcar in one or more embodiments of the present application;

fig. 19 is a schematic diagram of two-wire tunnel maintenance using a tunnel maintenance work vehicle set according to one or more embodiments of the present application.

The figures are marked as follows:

100. a lifting platform operation vehicle, 101, a first platform operation part; 102. a lifting part; 103. a first leveling portion; 104. a first travel section; 105. a side surface platform part; 106. a scissors lifting mechanism; 107. a fixing part; 108. a side pushing part; 109. a first platform; 110. a first guardrail; 111. a second platform; 112. a second guardrail; 113. a deck plate; 114. a third platform; 115. a third guardrail; 116. a first support plate; 117. a first telescopic rod; 118. a guide part; 119. a column; 120. a first frame; 121. a first telescopic device; 122. a step ladder structure; 123. a walking base; 124. a wheel; 125. a driving device; 126. a telescopic support leg; 127. a support frame; 128. a second telescopic device; 129. a safety telescoping device; 130. a power system; 131. a second triangle; 132. a first triangle; 133. a hinge shaft; 134. a flange; 135. a fixing seat;

201. Flatcar; 202. a multi-platform working device; 203. a climbing ladder; 204. a rail grabber; 205. a walking base; 206. a bogie assembly; 207. a braking system; 208. a coupler buffer device; 209. a hydraulic support leg; 210. a lifting device; 211. an operating platform; 212. a platform frame; 213. a base; 214. a first hinge support; 215. a first hinge lug; 216. a first subsection; 217. a second subsection; 218. edge guardrails; 219. a side protection telescopic rod; 220. a support platform; 221. side guardrails; 222. an abutting plate; 223. a tunnel section; 224. a turnover platform;

301. carrying a hanging rail flatcar; 302. a crane; 303. a flatcar body.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of exemplary embodiments of the present application is given with reference to the accompanying drawings, and it is apparent that the described embodiments are only some of the embodiments of the present application and not exhaustive of all the embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

In one or more embodiments, the present disclosure provides a tunnel maintenance work vehicle set, comprising: the multi-platform operation vehicle comprises a lifting rail flat car, a tunnel maintenance multi-platform operation vehicle and a tractor, wherein at least one lifting platform operation vehicle 100 is arranged on the lifting rail flat car, the lifting platform operation vehicle can lift or fall, the lifting rail flat car 301 comprises a crane 302, and the crane can hoist the lifting platform operation vehicle to a preset operation position; the tunnel maintenance multi-platform operation vehicle is connected with the lifting track flat car and forms a trailer train, and comprises a flat car and at least one multi-platform operation device, wherein the multi-platform operation device can be lifted or fallen and is fixed on the flat car; the tractor is connected with the trailer train, and the tractor is used for driving the trailer train to walk.

Referring to fig. 17 and 18, in some embodiments, the suspended track flatcar further includes a flatcar body 303 on which the crane is mounted.

The tunnel maintenance operation vehicle group provided by at least one embodiment realizes the transportation of the operation vehicle of the lifting platform by adopting the track carrying flatcar, the crane fully lifts the operation vehicle of the lifting platform, walks on a corresponding line, and realizes the operation of operators on a preset operation position by lifting or falling, so that the time for building an operation platform on the traditional site is saved, the skylight time is fully facilitated, and the construction efficiency is improved; meanwhile, the tunnel maintenance multi-platform operation vehicle further improves the construction efficiency; the tractor is connected with the trailer train, and the tractor is used for driving the trailer train to run, so that the trailer train can reach the appointed construction position, and time is saved.

Referring to fig. 1 to 8, in some embodiments, the lift platform work vehicle provided in the present application is suitable for maintenance of a railway tunnel, and includes: a first platform working part 101, a lifting part 102, a first leveling part 103 and a first travelling part 104; the first platform operation part 101 is used for an operator to be located on, and the platform operation part can support the operator so that the operator can operate in the tunnel; the first platform working part 101 is mounted on the lifting part 102, and the lifting part 102 is configured to enable the first platform working part 101 to be lifted; the lifting part 102 is mounted on the first leveling part 103, and the first leveling part 103 is configured to horizontally adjust the lifting part 102; the first leveling portion 103 is mounted on the first running portion 104.

The lifting platform operation vehicle provided in at least one embodiment is provided with the first platform operation part 101, so that an operator can stand on the first platform operation part 101 to operate the corresponding position of the tunnel, and the lifting part 102 can enable the first platform operation part 101 to be lifted or lowered, so that the operator can reach the corresponding height of the tunnel, and the operation is facilitated; the first leveling part 103 is convenient for realizing horizontal leveling of the lifting part 102, so that the possibility of overturning is avoided, and the safety of operators during operation is ensured; the first walking part 104 is convenient for walking the whole operation vehicle, so that labor is saved, and the maintenance speed is improved.

In some embodiments, the lift platform work vehicle further includes a side platform part 105, and the side platform part 105 is mounted on opposite left and right sides of the lift part 102; the side surface platform 105 can be folded with respect to the lifting/lowering portion 102. The side platform part 105 is beneficial to realizing the operation of operators on the side of the platform part; the first platform work portion 101 mainly operates the top of the tunnel, and the side platform portions 105 facilitate work on both sides of the tunnel. The side surface platform 105 can be lifted and lowered by the lifting/lowering unit 102. Opposite sides of the lifting platform work vehicle are consistent with the two sides of the tunnel.

In one embodiment, the side platform portion 105 is folded relative to the lift portion 102 such that the side platform portion 105 has a folded state and an unfolded state, wherein the overall width of the lift platform work vehicle is less than the overall width of the lift platform work vehicle in the unfolded state, which facilitates transportation of the lift platform work vehicle and accommodates different tunnel widths.

In some other embodiments, the side platform portion 105 can be pulled out from the side of the lifting portion 102, which is also beneficial to reduce the width of the lifting platform work vehicle in the left-right direction and to adapt to tunnels with different widths.

In some embodiments, the first platform work 101 includes a scissor lift mechanism 106 and a first telescoping table; the lower part of the scissor lift mechanism 106 is mounted on the lift 102, and the upper part of the scissor lift mechanism 106 is connected to the first telescopic table, and the scissor lift mechanism 106 is configured to lift the first telescopic table. The scissor lifting mechanism 106 enables the first telescopic workbench to be lifted with higher stability; the platform surface of the first telescopic workbench can be increased or reduced, so that the bearing capacity of the operation platform is improved, the high-altitude operation range is wider, the workbench is suitable for simultaneous operation of multiple persons, the working efficiency is higher, and the safety is ensured.

It should be noted that, the scissor fork lifting mechanism is in the prior art, and embodiments of the present application are not described in detail.

In some embodiments, the first telescopic table includes a fixing portion 107 and a side pushing portion 108, and the side pushing portion 108 is configured to be movable with respect to a width direction of the fixing portion 107 so that a platform area of the first telescopic table can be increased or decreased. Therefore, the carrying capacity of the operation platform is improved, the high-altitude operation range is wider, the operation platform is suitable for simultaneous operation of multiple persons, the working efficiency is higher, and the safety is ensured. It should be noted that, in some other implementations, a horizontal cylinder may be disposed between the side pushing portion 108 and the fixing portion 107, so that the operation area is increased by pushing out the horizontal cylinder, and the heights of the first guard rail 110 and the second guard rail 112 are telescopic, so that the personnel safety is ensured and the vehicle receiving area is reduced.

In one embodiment, the length direction of the first telescoping work platform is parallel to the fore-aft direction of the lift platform work vehicle. The longitudinal direction of the fixing portion 107 is parallel to the front-rear direction of the lift platform work vehicle. The side pushing portion 108 moves in the width direction of the fixing portion 107, thereby facilitating the change of the platform area size of the first telescopic table.

In some embodiments, the fixing portion 107 is connected to an upper portion of the scissor lift mechanism 106; the fixing portion 107 includes a first platform 109 and a first guard rail 110, the first guard rail 110 is hinged on the first platform 109, the side pushing portion 108 includes a second platform 111 and a second guard rail 112, the second guard rail 112 is hinged on the second platform 111, the second platform 111 can slide relative to the first platform 109, and the second guard rail 112 is connected with the first guard rail 110 through a first telescopic rod. Thus being beneficial to realizing the adjustment of the area of the platform.

In one embodiment, the first platform 109 includes a first frame structure and deck 113 in the form of a C; the first frame structure is provided with a long frame and two C-shaped steel rails, the two C-shaped steel rails are respectively fixed on two opposite sides of the long frame, and the length directions of the two C-shaped steel rails are parallel; the deck 113 is fixed in the first frame structure.

The second platform 111 includes a second frame structure in the form of a C and a deck plate 113; the second frame structure is provided with a long frame and two fixed steel pipes, the two fixed steel pipes are respectively fixed on two opposite sides of the long frame, and the length directions of the two fixed steel pipes are parallel; the deck plate 113 is fixed in the second frame structure. The deck plate 113 of the second platform 111 is located above the deck plate 113 of the first platform 109, so that when the side pushing portion 108 moves relative to the fixing portion 107, the deck plates 113 of the second platform 111 are located above and below the deck plate 113 of the first platform 109, which is beneficial to realizing adjustment of the area of the platform. The fixed steel pipe of the second platform 111 is inserted into the C-shaped steel rail of the first platform 109 and limited by the C-shaped steel rail, so that the fixed steel pipe can slide along the C-shaped steel rail, and the platform area size is changed by matching between the platform panel 113 of the first platform 109 and the platform panel 113 of the second platform 111. The first guard rail 110 and the second guard rail 112 are welded by steel pipe structures. The length directions of the first rail 110 and the second rail 112 are parallel to each other and to the front-rear direction of the lift platform work vehicle. The two ends of the first telescopic rod 117 are detachably connected with the first guardrail 110 and the second guardrail 112 respectively, for example, the two ends of the first telescopic rod 117 are fixed on inserting posts respectively, the ends of the first guardrail 110 and the second guardrail 112 are provided with inserting holes respectively, the inserting posts are inserted into the inserting holes, the first telescopic rod 117 is detachably connected with the first guardrail 110 and the second guardrail 112 respectively, after the size of the platform area is adjusted, the length of the first telescopic rod 117 is adjusted by mounting again, so that the width of the first telescopic workbench is adapted, the first telescopic rod 117 is detachably connected, and the first guardrail 110 and the second guardrail 112 can be folded and laid flat. In use, the first 110 and second 112 guardrails are folded and raised and connected by the first telescoping rod 117 to meet the requirements of the side pushers 108 extending different lengths.

In some embodiments, the side platform part 105 includes a third platform 114 and a third guardrail 115, one long side of the third platform 114 is hinged with the lifting part 102, and the other long side opposite to the third platform 114 is hinged with the third guardrail 115, so that the side platform part 105 can be unfolded or folded on the side of the lifting part 102; the first support plate 116 is mounted on the lower surface of the third platform 114, and the first support plate 116 can abut against the lifting portion 102, so that the third platform 114 is in a deployed state.

In some embodiments, the length of third platform 114 is parallel to the fore-aft direction of the lift platform work vehicle. The third platform 114 and the third rail are foldable, and the third platform 114 is foldable relative to the lifting portion 102, so that the side platform portion 105 has a folded state and an unfolded state. One long side of the third platform 114 is hinged to the lifting portion 102 by a hinge.

In one embodiment, the first support plate 116 is hinged to the bottom surface of the third platform 114, the length direction of the first support plate 116 is parallel to the width direction of the third platform 114, the first support plate 116 can be in an upright state under the action of gravity, so that the plate surface of the first support plate 116 can be perpendicular to the table surface of the third platform 114, and the end surface of one end of the first support plate 116 in the length direction is abutted to the lifting part 102, so that the third platform 114 is in an unfolding state, and when the third platform 114 needs to be folded, the first support plate 116 is folded to enable the plate surface of the first support plate 116 to be parallel to the table surface of the third platform 114, so that the folding of the third platform 114 is realized. A two-link structure is connected between the third guard rail 115 and the third platform 114, and the third guard rail 115 is in an up-state and a retracted state relative to the third platform 114 through the two-link structure.

It should be noted that, in some other embodiments, a hydraulic cylinder or an air cylinder may be disposed between the third platform 114 and the lifting portion 102 to enable the third platform 114 to be deployed or retracted. The third guard rail and the first frame can be bound by a binding belt.

In some embodiments, the lifting portion 102 includes a guide portion 118, an upright 119, a first frame 120, and a first telescoping device 121; one end of the upright 119 is inserted into the guide part 118, the fixed end of the first telescopic device 121 is connected with the guide part 118, the telescopic end of the first telescopic device 121 is connected with the upright 119, and the first frame 120 is fixed at the opposite end of the upright 119; the first telescopic device 121 is configured to be able to drive the upright 119 to lift and lower relative to the guide 118. Lifting of the side platform portion 105 is facilitated by the lifting portion 102 to facilitate operation by an operator.

In one embodiment, one end of the guide portion 118 is fixed to the first leveling portion 103; the other end of the guide portion 118 is inserted into one end of the upright 119, and the upright 119 can be lifted or lowered along the length direction of the guide portion 118 under the action of the first telescopic device 121. The first telescopic device 121 is a hydraulic cylinder.

In some embodiments, the first runner 104 includes a step structure 122, a frame, wheels 124, and a drive 125; the frame comprises a walking base 123 and a supporting frame 127, the walking ladder structure 122 is installed on the walking base 123, the wheels 124 are installed on the lower part of the walking base 123, and the driving device 125 is configured to drive the wheels 124 to rotate; the running base 123 is also provided with a plurality of telescopic legs 126 in the circumferential direction, the telescopic legs 126 being supported by the running base 123 when at rest. The stability of the whole vehicle is ensured when the first platform operation part 101 is lifted to work through the telescopic support legs 126; the step ladder structure 122 ensures that the working plane of the first platform work part 101 is reached from the ground by means of the ladder among the operators. The running part is driven by the steel wheels 124 to run on the steel rail, the working device is composed of the side surface platform part 105 and the first platform working part 101, can run on the double-track tunnel and work cooperatively with a plurality of lifting platform working vehicles, and can also maintain the side wall and the top of the tunnel, so that the structure is compact, and the practicability is stronger. The running base 123 is a bearing part of the whole vehicle, and is integrally formed by welding rectangular pipes.

In one embodiment, one end of the guiding part 118 is inserted into a fixed seat on the supporting frame, a flange 134 is fixed on the guiding part 118, and the flange 134 is fixedly connected with the fixed seat 135 through bolts; the other end of the guide portion 118 is inserted into one end of the upright 119, and the upright 119 can be lifted or lowered along the length direction of the guide portion 118 under the action of the first telescopic device 121. The first telescopic device 121 is a hydraulic cylinder.

In some embodiments, the number of first platform working parts 101 is two, and both first platform working parts 101 are mounted on the lifting part 102. The number of the step structures 122 is two, so that operators can reach the corresponding first platform operation part 101 through the opposite step structures 122. The two step structures 122 are provided on the front side of the running base 123, and are disposed at intervals. The running base 123 is in the form of a planar frame, and is horizontally disposed.

In one embodiment, the telescoping legs 126 are hydraulic legs; the driving means 125 comprises a hydraulic motor by which the wheels 124 are driven in motion, for example by a reduction gear between the hydraulic motor and the wheels 124. The number of the telescopic legs 126 is 4, and the 4 telescopic legs 126 are respectively positioned at four corners of the traveling base 123. The hydraulic support leg mainly has the anti-overturning function when the whole vehicle works, and is not used for realizing lane changing and transverse movement.

It should be noted that, in some other embodiments, the device may be further extended laterally between the hydraulic leg and the running base 123, so that the hydraulic leg extends in the left-right direction of the running base 123, and the hydraulic leg extends during operation, so as to ensure that the self-running lifting operation platform vehicle cannot topple during operation; the lateral extension of the hydraulic support leg adopts push-pull type, the upper part of the inner side and the lower part of the outer side in the lateral sleeve of the lateral extension device are provided with wheel type structures, the push-pull force required by the lateral push-pull is reduced, and the hydraulic support leg longitudinally adopts a hydraulic cylinder to realize the extension of the support leg; the four legs can extend out of different lengths to adapt to the ground and provide support for vehicle operation.

In some embodiments, the first leveling is disposed between the running base and the support frame 127; the first leveling part 103 comprises a second telescopic device 128 and a safety telescopic device 129, the supporting frame 127 is hinged with the walking base 123, the second telescopic devices 128 are respectively arranged on the left side and the right side of the supporting frame 127, which are opposite, the telescopic ends of the second telescopic devices 128 are connected with the walking base 123, and the fixed ends of the second telescopic devices 128 are connected with the supporting frame 127; the telescopic end of the safety telescopic device 129 is connected with the supporting frame 127, and the fixed end of the safety telescopic device 129 is connected with the walking base 123; the lifting part 102 is mounted on the support frame 127. The guide portion 118 of the lifting portion 102 is mounted on the support frame 127. When the working track line is ultrahigh and the sensing angle of the angle sensor is greater than the allowable value, the control system sends out an instruction, and the second telescopic device 128 performs telescopic adjustment to restore the lifting part 102 to the balanced state. The first frame 120 moves downward such that the support frame 127 protrudes into the inside of the first frame 120.

In some embodiments, the second telescopic device 128 and the safety telescopic device 129 are both hydraulic cylinders. And is used to adjust whether the support frame 127 is horizontal in the left-right direction by the second telescopic means 128. The support frame 127 is located above the walking base 123, a first triangle 132 is arranged below the support frame 127, a second triangle 131 is arranged on the walking base 123, the first triangle and the second triangle are hinged through a hinge shaft 133, and the hinge shaft is used as a rotating shaft of the support frame 127. A balance detecting means for detecting the levelness of the support frame 127 is provided on the support frame 127, thereby ensuring the balance of the lifting part 102. When the levelness of the lifting unit 102 does not satisfy the set range, the second telescopic device 128 is controlled to extend and retract so that the levelness of the lifting unit 102 is within the set range. In one embodiment, the balance detection device is a tilt sensor or an angle sensor. The safety telescopic device 129 is used for guaranteeing that the lifting part 102 and the first platform operation part 101 are in a retracted state, and guaranteeing the running safety of the whole vehicle.

In some embodiments, the lift platform work vehicle further comprises a control system for controlling the drive device 125, the first telescopic device 121, the second telescopic device 128, and the safety telescopic device 129. The lift platform work vehicle further includes a power system 130, the power system 130 being disposed in front of the travel base 123 to power the entire lift platform work vehicle. The power system 130 includes a diesel engine for providing power to travel and work to the hydraulic motor.

In some other embodiments, the lift platform work vehicle further includes an electrical control system, where the electrical control system includes a power source and a lighting lamp, the power source is configured to supply power to the lighting lamp, and the lighting lamp is mounted to both the first platform work portion 101 and the side platform portion 105. In addition, the power system 130 may also use a battery as an energy source to make the whole vehicle electrically driven.

In one or more embodiments, the present application also provides a method of using the lift platform work vehicle of any one of the embodiments; the lifting platform operation vehicle comprises a first platform operation part, a lifting part, a first leveling part and a first walking part; the first platform operation part is arranged on the lifting part, the lifting part is arranged on the first leveling part, and the first leveling part is arranged on the first walking part;

the operation method of the lifting platform operation vehicle comprises the following steps:

s201, controlling the first travelling part to travel to a preset operation position along a track in a tunnel; specifically, the first travelling part 104 is arranged on a track in the tunnel, so that the first travelling part 104 can travel along the track; in some embodiments, the entire vehicle is transported to the job site by a self-propelled or a crane truck, reaches a preset work position by the first walk 104, and then the telescoping legs 126 are extended.

S202, judging whether the lifting part is in a horizontal state, if not, driving the first leveling part to horizontally adjust the lifting part; specifically, when the lifting part is not in the horizontal state, the locking of the safety telescopic device 129 of the first leveling part 103 is released, the whole vehicle starts leveling, and the lifting part 102 is horizontally adjusted by the first leveling part 103.

S203, controlling the lifting part to act so as to drive the first platform operation part to rise to a preset operation height; specifically, the lifting portion 102 is lifted up to enable the first platform working portion 101 to reach a preset working height; the worker reaches the corresponding first platform working part 101 through the step ladder structure 122, turns over and erects the first guard rail 110 and the second guard rail 112 on the first platform working part 101, and inserts the first telescopic rod 117 between the first guard rail 110 and the second guard rail 112. The side surface platform part 105 and the first platform working part 101 are lifted up by the lifting part 102; to bring the operator on the side platform part 105 to the working position; the first telescopic table of the first platform work section 101 is lifted up to the working height by the scissor lift mechanism 106. In some embodiments, after leveling is completed, the side platform 105 is folded and unfolded, the worker on the side platform 105 goes up to the working position, and the third rail 115 is folded and lifted to meet the working requirements.

S204, controlling the first platform operation part to operate; specifically, after reaching the working height, the side pushing portion 108 may be extended according to circumstances, thereby finally completing the vehicle-unfolding state. It should be noted that the process of collecting the vehicle is opposite to the process of displaying the vehicle, and will not be described in detail.

Referring to fig. 9 to 16, in some embodiments, a tunnel maintenance multi-platform work vehicle provided herein includes: flatcar 201, multi-platform working device 202, rail grabber 204, and ascending ladder 203; carrying the multi-platform work vehicle by the flatcar 201 and enabling transportation of the multi-platform work device 202 on a track; the rail grabber 204 ensures that the flatcar 201 is prevented from overturning when the multi-platform working device 202 works after the flatcar 201 is stopped. The multi-platform working devices 202 are mounted on the flatcar 201, and the multi-platform working devices 202 can be lifted so that operators can reach preset working positions, the number of the multi-platform working devices 202 is multiple, and the multiple multi-platform working devices 202 are distributed along the length direction of the flatcar 201; the rail grabber 204 is disposed below the flatcar 201, and the rail grabber 204 is configured to sandwich with a railroad track; the front and rear sides of the flatcar 201 are respectively provided with a climbing ladder 203 so that an operator can reach the multi-platform working device 202.

In one embodiment, multi-platform work device 202 is secured to flatcar 201; the rail grabbing device 204 is an electric rail grabbing device 204, so that the automatic control of the whole tunnel maintenance multi-platform operation vehicle is facilitated; the number of the rail grippers 204 is plural, and the plurality of rail grippers 204 are spaced apart in the front vehicle direction of the flatcar 201. The tunnel maintenance multi-platform operation vehicle realizes integral driving through a tractor or other driving devices, and in other embodiments, the tunnel maintenance multi-platform operation vehicle can also be arranged as a mechanical rail grabbing device, which is all within the protection scope of the application.

The tunnel maintenance multi-platform operation vehicle provided by at least one embodiment carries the multi-platform operation device 202 through the flat carriage 201, and the flat carriage 201 walks along the iron falling track, so that the multi-platform operation device 202 can conveniently reach the corresponding position of the tunnel, and the anti-overturning function of the flat carriage 201 is realized through the rail grabbing device 204; the ascending ladder 203 is convenient for operators to reach the multi-platform operation device 202, and reach corresponding operation positions through the lifting of the multi-platform operation device 202, and is beneficial to meeting full-section long-distance maintenance by combining a plurality of multi-platform operation devices 202 on the flatcar 201.

In some embodiments, flatcar 201 includes: a walking base 205, a bogie assembly 206, a braking system 207 and a coupler buffer 208; the bogie assembly 206 is mounted below the walking base 205, and the braking system 207 is configured to brake the bogie assembly 206, so as to ensure parking safety. Coupler buffer devices 208 are respectively arranged at the two ends of the traveling base 205 in the front-rear direction, so that connection of a tractor and a tunnel multifunctional operation platform car is facilitated, and traveling of the whole tunnel maintenance multi-platform operation car is dragged.

In some embodiments, hydraulic legs 209 are mounted at each of the four corners of the walking base 205. The hydraulic support legs 209 are beneficial to realizing contact with the ground, so that the stability and the safety of the tunnel maintenance multi-platform operation vehicle during operation are ensured.

In some embodiments, multi-platform work device 202 includes a hoist 210 and a work platform 211, hoist 210 being coupled to a lower surface of work platform 211, hoist 210 being configured to enable work platform 211 to be raised or lowered.

In one embodiment, the lifting device 210 is a scissor mechanical structure, which is simple in structure and convenient to set.

In some embodiments, the number of lifting devices 210 and work platforms 211 is two, respectively; one lifting device 210 corresponds to one working platform 211, so that a plurality of simultaneous operations can be realized. The two lifting devices 210 are spaced apart in the left-right direction of the flatcar 201.

In some embodiments, multi-platform work device 202 also includes a platform frame 212, and hoist 210 is mounted to platform frame 212. The platform frame 212 may advantageously support the lifting device 210. In one embodiment, the platform frame 212 is welded using rectangular steel tubing to form an overall cuboid.

In some embodiments, multi-platform work device 202 further includes a base 213, a leveling assembly mounted between base 213 and platform frame 212, the leveling assembly configured to level platform frame 212. The base 213 is welded by square steel pipes, and the base 213 is fixed on the traveling base 205 of the flatcar 201. The leveling assembly adjusts the level of the platform frame 212, i.e., the yaw angle of the platform frame 212 about a first axis that is parallel to the fore-aft direction of the flatcar 201.

In some embodiments, the leveling assembly includes a first hinge bracket 214, a first hinge lug 215, a leveling telescoping device (not shown), and a level detection device (not shown); the first hinge base 214 is fixed on the base 213, the first hinge lug 215 is fixed on the platform frame 212, and the first hinge lug 215 is hinged with the first hinge base 214 through a hinge shaft; two ends of the leveling telescoping device are respectively hinged with the base 213 and the platform frame 212; the horizontal detection device is used for detecting the horizontal of the platform frame 212, so that when the levelness of the platform frame 212 is not matched with the preset range, the platform frame 212 is lifted and adjusted through the leveling telescoping device.

In one embodiment, the leveling telescoping device is a hydraulic cylinder; the hinge shaft is parallel to the front-rear direction of the flatcar 201; the left and right sides of the platform frame 212 are provided with a leveling telescoping device, respectively. The cylinder body of the hydraulic cylinder is hinged with the base 213, and the end part of the telescopic rod of the hydraulic cylinder is hinged with the platform frame 212, so that the horizontal adjustment of the platform frame 212 is realized through two leveling telescopic devices.

In some embodiments, the level detection device is a tilt sensor or an angle sensor; in one embodiment, the horizontal detecting device is an angle sensor, a hinge shaft connected with the first hinge lug 215 and the first hinge seat 214 is connected with a rotating shaft of the angle sensor, the hinge shaft is fixedly connected with the first hinge lug 215, and a shell of the angle sensor is fixedly connected with the base 213 through a bracket, so that the rotating angle of the hinge shaft is recorded through the angle sensor, so that the horizontal detection of the platform frame 212 is realized.

In some embodiments, work platform 211 includes a platform support portion and a rail portion that surrounds the platform support portion. The platform support comprises a first section 216 and a second section 217, the first section 216 and the second section 217 each comprising a support rim and a platform plate secured to the support rim. The first section 216 is secured to the hoist 210 and the second section 217 is positioned above the first section 216 such that the second section 217 is vertically offset from the first section 216. At least two platform hydraulic cylinders (not shown) are fixed on the lower surface of the first subsection 216 at intervals, the cylinder bodies of the platform hydraulic cylinders are fixedly connected with the lower surface of the first subsection 216, the telescopic rods of the platform hydraulic cylinders are fixedly connected with the second subsection 217, so that the second subsection 217 can move relative to the first subsection 216 through telescopic action of the platform hydraulic cylinders, telescopic action of the platform supporting parts is achieved, and the platform hydraulic cylinders are used for enabling the second subsection 217 to stretch along the left-right direction of the flatcar 201. The first subsection 216 and the second subsection 217 are both fixed with a rectangular side guard bar 218, the side guard bar 218 on the first subsection 216 is connected with the side guard bar 218 on the second subsection 217 through a side guard telescopic rod 219, and the length of the side guard bar 218 extends along the front-back direction of the flatcar 201; the edge guard telescoping rod 219 is connected to both ends of the edge guard 218 of the first section 216 in the longitudinal direction and the edge guard 218 of the second section 217 in the longitudinal direction. The rail portion includes an edge rail 218 on the first section 216, an edge rail 218 on the second section 217, and an edge guard telescoping rod 219.

In some embodiments, opposing sides, e.g., left and right sides, of the platform frame 212 are each hinged with a flip-up platform 224; the platforms are folded over for personnel to work on opposite sides of the multi-platform work device 202. The turnover platform comprises a supporting platform 220 and side guardrails 221; one side of the side rail 221 in the longitudinal direction is hinged to the support platform 220, and one side of the support platform 220 in the longitudinal direction is hinged to the platform frame 212. When the support platform 220 is horizontally arranged, one end of the abutting plate 222 abuts against the platform frame 212 to keep the support platform 220 in a horizontal state, i.e. a unfolded state. A hydraulic rod may be connected between the side rail 221 and the support platform 220, so that the side rail 221 is unfolded, i.e., the side rail 221 is vertically arranged between the side rail 221 and the support platform 220.

It should be noted that, in some other embodiments, the tunnel maintenance multi-platform working vehicle further includes a power unit, a hydraulic system and an electrical control system, where the power unit is an engine or a battery, and provides electric power for the whole vehicle working and the lighting devices installed on the flatcar 201, and the engine may also be used for emergency rescue to provide power for the vehicle to be rescued. The hydraulic system provides driving hydraulic power for the hydraulic cylinder and the shearing fork mechanical structure, the hydraulic system adopts the prior art, and for example, the hydraulic system comprises a hydraulic oil tank, an oil pump, a control valve group, a filter, an oil pipe and the like, the hydraulic pump is driven by a motor, and a hydraulic pump station is generally arranged near a working device for conveniently arranging a hydraulic pipeline. The hydraulic system is provided with an emergency device, and under the fault or unpowered condition of the hydraulic system, the working device can be manually reset rapidly, so that the whole vehicle is restored to an initial state. The electric control system is mainly responsible for main functions of the flatcar 201 such as communication, action control, display, illumination, prompt, warning, system protection and the like, and other additional auxiliary functions, and a power supply of the electric control system mainly comprises a storage battery and a power generation device, so that a low-voltage safety power supply is provided for the whole system; the electrical control system mainly comprises a PLC controller, a control panel, a remote controller for controlling the lifting of the hydraulic support legs 209 of the flatcar 201, a remote controller for controlling the lifting of the multi-platform operation device 202, a high-definition display screen and the like; the electrical control system provides an LED illuminating lamp for the multi-platform operation device 202, facilitates tunnel operation, provides a warning lamp, and can be used for reminding a scissor platform worker by pressing a warning button when an emergency occurs; besides the conventional circuit breaker protection, the electrical control system has humanized protection functions for the platform and operators, for example, under the condition that the hydraulic support legs 209 are not supported and confirmed, the electrical control system automatically shields dangerous operations such as leveling of the platform frame 212, lifting of the multi-platform working device 202 and the like, so that the leveling of the platform frame 212 and the lifting of the multi-platform working device 202 cannot be operated, namely cannot be leveled and cannot be lifted; the electrical control system is provided with an external power interface to provide additional high voltage power to the scissor mechanism of the multi-platform working device 202.

In one or more embodiments, a method for operating a tunnel maintenance work vehicle set, using the tunnel maintenance work vehicle set provided in any one of the embodiments, includes:

driving a tractor to haul the trailer train to a preset operation position of a tunnel construction site; optionally, after driving the tractor to haul the trailer train to a preset working position of the tunnel construction site, the working method further comprises:

and (3) hoisting the lifting platform operation vehicle to the line of the line through a crane to perform single-line tunnel operation, or hoisting one lifting platform operation vehicle to the line of the line through the crane and hoisting the other lifting platform operation vehicle to the line of the line through the crane to perform double-line tunnel collaborative operation. In another embodiment, another lifting platform operation vehicle is lifted to the line of the line through a crane, and the lifting platform operation vehicle on the line of the line is matched with the tunnel maintenance multi-platform operation vehicle on the line of the line to perform double-line tunnel collaborative operation. After the lifting platform operation vehicle is lifted to the line of the line or the lifting platform operation vehicle is lifted to the line of the line, as shown in fig. 19, the lifting platform operation vehicle is driven to the position near the construction end surface, the hydraulic support legs are unfolded to effectively support the ground, and the operation stability of the lifting platform operation vehicle is ensured, and the operation method further comprises: judging whether the lifting part is in a horizontal state, if not, driving the first leveling part to horizontally adjust the lifting part; and controlling the lifting part to act so as to drive the first platform operation part to rise to a preset operation height, and finally expanding the lifting platform operation vehicle, wherein constructors can cooperatively perform maintenance operation of the double-line tunnel with the multi-platform operation device by reaching the construction position.

And controlling the multi-platform working device to be lifted to a preset construction position, so that operators on the multi-platform working device can perform single-line tunnel operation. Optionally, the method for controlling the multi-platform working device to be lifted to the preset construction position comprises the following steps: the operating platform can be lifted or lowered by the lifting device. Optionally, the method for controlling the multi-platform working device to be lifted to the preset construction position further comprises: leveling the platform frame by a leveling assembly.

In at least one embodiment, the tunnel maintenance operation vehicle set and the operation method of the tunnel maintenance operation vehicle set can perform single-line and double-line tunnel maintenance operation, have the characteristics of mechanized operation, high electrification degree, construction preparation time saving and 'less humanization' of construction operation, are more rapid when transferring section construction after maintenance and maintenance of the tunnel section 223, and improve the operation efficiency in a limited skylight time. The maintenance and the maintenance construction of the tunnel are carried out based on the tunnel maintenance operation vehicle group, and a safe construction operation environment is provided for constructors. The tunnel has good adaptability, and has the advantages of safe, stable and firm operation platform, multiple construction working surfaces, flexible and convenient movement, preparation time saving, strong comprehensive construction capability and convenient and fast construction. When the single-line tunnel is maintained, independent operation of the multi-platform operation device, independent operation of the lifting platform operation vehicle, cooperative operation of the multi-platform operation device and the lifting platform operation vehicle and cooperative operation of the plurality of lifting platform operation vehicles can be realized. When the double-track tunnel is maintained, the multi-platform operation device and the lifting platform operation vehicles can cooperatively operate, and the multi-platform operation device and the lifting platform operation vehicles cooperatively operate.

While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.

Claims (13)

1. A tunnel maintenance work vehicle set, comprising:

the lifting platform operation vehicle can be lifted or lowered, and comprises a crane which can hoist the lifting platform operation vehicle to a preset operation position;

a tunnel maintenance multi-platform working vehicle connected with the hanging rail flat car and forming a trailer train, the tunnel maintenance multi-platform operation vehicle comprises a flat carriage and at least one multi-platform operation device, wherein the multi-platform operation device can be lifted or lowered and is fixed on the flat carriage;

The tractor is connected with the trailer train and is used for driving the trailer train to walk.

2. The tunnel maintenance work vehicle of claim 1, wherein the suspended track flatcar further comprises a flatcar body, the crane being mounted on the flatcar body.

3. The tunnel maintenance work vehicle set of claim 1, wherein the lift platform work vehicle comprises: the first platform operation part, the lifting part, the first leveling part and the first walking part; the first platform operation part is mounted on the lifting part, and the lifting part is configured to enable the first platform operation part to lift; the lifting part is arranged on the first leveling part, and the first leveling part is configured to horizontally adjust the lifting part; the first leveling part is arranged on the first walking part.

4. The tunnel maintenance work vehicle of claim 3, wherein the first platform work section includes a scissor lift mechanism and a first telescoping work table; the lower part of the shear fork lifting mechanism is arranged on the lifting part, the upper part of the shear fork lifting mechanism is connected with the first telescopic workbench, and the shear fork lifting mechanism is configured to lift the first telescopic workbench.

5. The tunnel maintenance work vehicle of claim 3, wherein the lifting portion includes a guide portion, a column, a first frame, and a first telescoping device; one end of the upright post is inserted into the guide part, the fixed end of the first telescopic device is connected with the guide part, the telescopic end of the first telescopic device is connected with the upright post, and the first frame is fixed at the other opposite end of the upright post; the first telescopic device is configured to drive the upright to lift relative to the guide portion.

6. The tunnel maintenance work vehicle of claim 4, wherein the first telescoping work table includes a fixed portion and a side pushing portion configured to be movable with respect to a width direction of the fixed portion so that a platform area of the first telescoping work table can be increased or decreased.

7. The tunnel maintenance work vehicle set according to claim 6, wherein the fixing portion is connected to an upper portion of the scissor lift mechanism; the fixed part comprises a first platform and a first guardrail, the first guardrail is hinged to the first platform, the side pushing part comprises a second platform and a second guardrail, the second guardrail is hinged to the second platform, the second platform can slide relative to the first platform, and the second guardrail is connected with the first guardrail through a first telescopic rod.

8. The tunnel maintenance work consist of claim 1, wherein the multi-platform work device comprises a lifting device and an operating platform, the lifting device being coupled to a lower surface of the operating platform, the lifting device being configured to enable the operating platform to be raised or lowered.

9. The tunnel maintenance work consist of claim 8, wherein the multi-platform work device further comprises a platform frame, the lifting device being mounted to the platform frame.

10. The tunnel maintenance work consist of claim 9, wherein the multi-platform work device further comprises a base, a leveling assembly mounted between the base and the platform frame, the leveling assembly configured to level the platform frame.

11. The tunnel maintenance work vehicle of claim 10, wherein the leveling assembly comprises a first hinge bracket, a first hinge lug, a leveling telescoping device, and a level detection device; the first hinge support is fixed on the base, the first hinge lug is fixed on the platform frame, and the first hinge lug is hinged with the first hinge support through a hinge shaft; two ends of the leveling expansion device are respectively hinged with the base and the platform frame; the horizontal detection device is used for detecting the horizontal of the platform frame, so that when the levelness of the platform frame is not matched with a preset range, the platform frame is lifted and adjusted through the leveling telescoping device.

12. The tunnel maintenance work vehicle set of claim 11, wherein the leveling telescoping device is a hydraulic cylinder; the hinge shaft is parallel to the front-back direction of the flatcar; the left side and the right side of the platform frame are respectively provided with one leveling telescoping device; the cylinder body of the hydraulic oil cylinder is hinged with the base, and the end part of the telescopic rod of the hydraulic oil cylinder is hinged with the platform frame.

13. The tunnel maintenance work vehicle set according to claim 9, wherein the operation platform includes a platform support portion and a fence portion, the fence portion being provided around a circumference of the platform support portion; the platform supporting part comprises a first subsection and a second subsection, and the first subsection and the second subsection comprise supporting frames and platform plates fixed on the supporting frames; the first part is fixed on the lifting device, the second part is positioned above the first part, and the second part and the first part are mutually staggered in the vertical direction; the lower surface interval of first branch is fixed with two at least platform pneumatic cylinders, the cylinder body of platform pneumatic cylinder with the lower surface fixed connection of first branch, the telescopic link of platform pneumatic cylinder with second branch fixed connection, in order to make according to the extension and contraction of platform pneumatic cylinder the second branch can be for first branch removes.

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