CN217048616U - Rail transport vehicle for construction in existing rail tunnel - Google Patents

Abstract

The utility model relates to a track transport vehicle for construction in the existing track tunnel, which comprises a vehicle frame, a driving structure, a driving travelling mechanism and a driven travelling mechanism; the driving travelling mechanism and the driven travelling mechanism are arranged at the bottom of the frame at intervals along the length direction of the frame so as to assemble the frame on an existing track, a first driven wheel is sleeved on the outer wall of the driving travelling mechanism, and the first driven wheel and the driving travelling mechanism are relatively fixed; the output shaft of drive structure is connected with the transmission of first follow driving wheel, and drive structure is used for driving first follow driving wheel rotatory around initiative running gear's axis for drive frame moves along existing orbital extending direction, with the machines material transport to the preset position that will bear on the frame. Based on this, the track transport vechicle is used in construction in existing track tunnel that this disclosure provided need not manpower and promotes just can transport the machines material to predetermineeing the position, and the security is good, has saved the cost of labor, and simultaneously, the single transportable volume is great, and work efficiency is high, and user experience is good.

Description

Rail transport vehicle for construction in existing rail tunnel

Technical Field

The utility model relates to a railway construction technical field especially relates to a track transport vechicle is used in construction in existing track tunnel.

Background

With the rapid development of railway industry in China, the inspection and maintenance work of the existing track line is more and more. How to transport the required machines and tools material of maintenance to predetermineeing the position in limited skylight point fast, to guaranteeing the construction progress crucial, when especially examining and repairing existing circuit in the tunnel, the time-keeping of machines and tools material is transported more importantly.

However, in the prior art, when the existing line in the tunnel is constructed, because the ordinary vehicle cannot enter, the material is usually pushed by manpower to transport the rail trolley transport machine, so that the safety is not good, the labor cost is high, the single transportation amount is small, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem or at least partially solve the technical problem, the present disclosure provides a rail transport vehicle for construction in an existing rail tunnel.

The utility model provides a track transport vehicle for construction in an existing track tunnel, which comprises a vehicle frame, a driving structure, a driving travelling mechanism and a driven travelling mechanism, wherein the driving travelling mechanism and the driven travelling mechanism are used for being matched with the existing track;

the driving travelling mechanism and the driven travelling mechanism are arranged at the bottom of the frame at intervals along the length direction of the frame so as to assemble the frame on the existing track, a first driven wheel is sleeved on the outer wall of the driving travelling mechanism, and the first driven wheel and the driving travelling mechanism are relatively fixed;

the output shaft of the driving structure is in transmission connection with the first driven wheel, and the driving structure is used for driving the first driven wheel to rotate around the axis of the driving travelling mechanism and driving the frame to move along the extending direction of the existing track so as to transport the machine tool materials borne on the frame to a preset position.

Further, the driving structure comprises a driving motor and a speed reducer which are arranged on the frame; an output shaft of the driving motor is in transmission connection with an input shaft of the speed reducer, and an output shaft of the speed reducer is in transmission connection with the first driven wheel.

Further, the driving structure further comprises a first conveyor belt and a second conveyor belt; a driving wheel is arranged on an output shaft of the driving motor, a second driven wheel which is positioned on the same plane with the driving wheel is arranged on an input shaft of the speed reducer, one end of the first conveying belt is sleeved on the driving wheel, and the other end of the first conveying belt is sleeved on the second driven wheel; and/or a third driven wheel is arranged on an output shaft of the speed reducer, the third driven wheel is positioned right above the first driven wheel, one end of the second conveyor belt 24 is sleeved on the third driven wheel, and the other end of the second conveyor belt 24 is sleeved on the first driven wheel.

Further, the first conveyor belt is a belt or a chain, and the second conveyor belt is a belt or a chain.

Further, the driving travelling mechanism and the driven travelling mechanism respectively comprise an axle and insulated rail wheels arranged at two ends of the axle; two ends of each axle are connected with the frame through bearings; and when the frame is assembled on the existing track, each annular stop boss is arranged on the inner wall of the corresponding existing track.

Furthermore, the number of the driven travelling mechanisms is at least two, the at least two driven travelling mechanisms are arranged at intervals along the length direction of the frame, all the driving travelling mechanisms are arranged close to the front end of the frame, and the driven travelling mechanisms are arranged close to the rear end of the frame.

Furthermore, the track transport vehicle for construction in the existing track tunnel further comprises a braking structure, and the braking structure is used for braking the rotation of the active walking mechanism so as to brake the moving speed of the frame.

Further, the brake structure comprises a brake contracting wheel and a brake rod; the brake holding wheel is arranged on the outer wall of the driving travelling mechanism and is relatively fixed with the driving travelling mechanism, the brake bar is arranged close to the brake holding wheel and is rotationally connected with the frame, a brake belt matched with the brake holding wheel is arranged at one end of the brake bar close to the brake holding wheel, and a brake pedal is arranged at one end of the brake bar far away from the brake holding wheel; when the brake pedal is trampled, the brake band is propped against the brake contracting wheel so as to brake the frame.

Further, the track transport vehicle for construction in the existing track tunnel further comprises a controller, and the controller is electrically connected with the driving structure and used for controlling the working state of the driving structure.

Further, the frame further comprises a seat; the seat and the driving travelling mechanism are located on the same side, and the seat and the driving travelling mechanism are both close to the rear end of the frame.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

according to the track transport vehicle for construction in the existing track tunnel, the vehicle frame, the driving structure and the driving travelling mechanism and the driven travelling mechanism which are matched with the existing track are arranged, wherein the driving travelling mechanism and the driven travelling mechanism are arranged at the bottom of the vehicle frame at intervals along the length direction of the vehicle frame, so that the vehicle frame can be assembled on the existing track through the driving travelling mechanism and the driven travelling mechanism; the outer wall of the driving travelling mechanism is sleeved with a first driven wheel, and the first driven wheel and the driving travelling mechanism are relatively fixed, an output shaft of the driving structure is in transmission connection with the first driven wheel, the driving structure can drive the first driven wheel to rotate around the axis of the driving travelling mechanism, because the first driven wheel and the driving travelling mechanism are relatively fixed, the driving travelling mechanism can rotate along with the rotation of the first driven wheel, thereby driving the frame to move along the extending direction of the existing track, and then will bear the weight of the machines material transport on the frame to predetermineeing the position, based on this, the track transport vechicle for construction need not manpower promotion in the existing track tunnel just can be with machines material transport to predetermineeing the position, and the security is good, has saved the cost of labor, and simultaneously, single transportable volume is great, and work efficiency is high, and user experience is good.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a side view of a rail transport vehicle for construction in an existing rail tunnel according to an embodiment of the present disclosure;

fig. 2 is a top view of a track transportation vehicle for construction in an existing track tunnel according to an embodiment of the present disclosure.

Wherein, 1-a frame; 2-a drive structure; 21-a drive motor; 211-a drive wheel; 22-a reducer; 221-a second driven wheel; 222-a third driven wheel; 23-a first conveyor belt; 24-a second conveyor belt; 3-an active walking mechanism; 31-axle; 32-an insulated rail wheel; 33-annular stop projection; 4-driven travelling mechanism; 5-a first driven wheel; 6-a braking structure; 61-contracting brake wheel; 62-a brake lever; 63-brake pedal; 64-a braking band; 7-a seat; 8-a pipe column; 9-tension wheel.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

Referring to fig. 1 and 2, the present embodiment provides a rail transport vehicle for construction in an existing rail tunnel (hereinafter referred to as a rail transport vehicle), which includes a vehicle frame 1, a driving structure 2, and a driving traveling mechanism 3 and a driven traveling mechanism 4 for cooperating with an existing rail, it can be understood that the driving traveling mechanism 3 and the driven traveling mechanism 4 are both fixed relative to the vehicle frame 1, but both can rotate relative to the vehicle frame 1, wherein the driving traveling mechanism 3 and the driven traveling mechanism 4 are arranged at the bottom of the vehicle frame 1 at intervals along the length direction of the vehicle frame 1 (refer to the left and right direction in fig. 1 and 2) to assemble the vehicle frame 1 on the existing rail, in other words, the vehicle frame 1 is connected to the existing rail through the driving traveling mechanism 3 and the driven traveling mechanism 4 at the bottom thereof, and is stable in support and strong in bearing capacity.

In this embodiment, the cover is equipped with first from driving wheel 5 on the outer wall of initiative running gear 3, it is first from driving wheel 5 and the coaxial setting of initiative running gear 3, and first from driving wheel 5 and initiative running gear 3 relatively fixed, the output shaft of drive structure 2 is connected with first transmission from driving wheel 5, drive structure 2 is used for driving first from driving wheel 5 around the axis of initiative running gear 3, the central axis is rotatory, because first from driving wheel 5 and initiative running gear 3 relatively fixed, therefore, when first from driving wheel 5 rotates, initiative running gear 3 can rotate along with first rotation from driving wheel 5, thereby can drive frame 1 and remove along existing orbital extending direction, thereby with the quick transportation of the machines and tools material that will bear on frame 1 to the transport destination of predetermineeing the position promptly machines and tools material.

During concrete implementation, the frame 1 can be any suitable structure, and as long as the bearing performance is strong, the required machines and materials can be borne and overhauled. For example, referring to fig. 2, the frame 1 may be formed by welding a plurality of pipe columns 8, wherein the pipe columns 8 may be rectangular pipes, cylindrical pipes, etc. made of carbon structural steel (Q235B for short), and have high structural strength and strong load-bearing capacity.

By definition, when the vehicle frame 1 is assembled on an existing rail, the direction in which the vehicle frame 1 extends along the existing rail is the longitudinal direction of the vehicle frame 1, and the direction in which the vehicle frame 1 extends along the width direction of the existing rail is the width direction of the vehicle frame 1. The left-right direction in fig. 2 is the longitudinal direction of the vehicle body frame 1, and is also the front-rear direction of the vehicle body frame 1, and the up-down direction in fig. 2 is the width direction of the vehicle body frame 1.

It can be understood that the driving running gear 3 and the driven running gear 4 are both arranged at the bottom of the vehicle frame 1 along the width direction of the vehicle frame 1, i.e. the width direction of the existing track, and meanwhile, the driving running gear 3 and the driven running gear 4 are arranged at intervals along the length direction of the vehicle frame 1.

During specific implementation, the driving travelling mechanism 3 can be arranged close to the rear end of the frame 1, and the driven travelling mechanism 4 can be arranged close to the front end of the frame 1, namely, the driving travelling mechanism 3 is arranged behind the driven travelling mechanism 4. Of course, the driving traveling mechanism 3 may be disposed near the front end of the frame 1, and the driven traveling mechanism 4 may be disposed near the rear end of the frame 1, that is, the driving traveling mechanism 3 is disposed in front of the driven traveling mechanism 4.

Wherein, the driven running gear 4 can be one, also can be a plurality of, when driven running gear 4 is a plurality of, a plurality of driven running gear 4 set up along the length direction interval of frame 1, and all driven running gear 4 are close to the front end setting of frame 1, initiative running gear 3 is close to the rear end setting of frame 1, so the design, in the within range of allowwing, not only can lengthen the length of frame 1, improve the bearing capacity of frame 1, help improving the transport capacity of railcar, of course, can also increase the area of contact of frame 1 and existing track, can improve the operating stability of frame 1, and the security is good.

In this embodiment, the first driven wheel 5 may be any suitable structure as long as it can drive the driving traveling mechanism 3 to rotate coaxially through the transmission connection with the output shaft of the driving structure 2. The first driven pulley 5 may be a sprocket or a pulley, for example.

It can be understood that, the first driven wheel 5 and the driving traveling mechanism 3 may be connected together in any suitable manner, as long as it is ensured that the two are relatively fixed, the driving traveling mechanism 3 may rotate along with the rotation of the first driven wheel 5, for example, the first driven wheel 5 and the driving traveling mechanism 3 may be integrally formed, interference fit or connected through a spline, etc., and may be arbitrarily selected according to specific use conditions, without being limited too much herein.

Through the technical scheme, the rail transport vehicle provided by the embodiment is provided with the vehicle frame 1, the driving structure 2, and the driving travelling mechanism 3 and the driven travelling mechanism 4 which are used for being matched with the existing rail, wherein the driving travelling mechanism 3 and the driven travelling mechanism 4 are arranged at the bottom of the vehicle frame 1 at intervals along the length direction of the vehicle frame 1, so that the vehicle frame 1 can be assembled on the existing rail through the driving travelling mechanism 3 and the driven travelling mechanism 4; the outer wall of the driving travelling mechanism 3 is sleeved with a first driven wheel 5, and the first driven wheel 5 is fixed relative to the driving travelling mechanism 3, an output shaft of the driving structure 2 is in transmission connection with a first driven wheel 5, the driving structure 2 can drive the first driven wheel 5 to rotate around the axis of the driving travelling mechanism 3, because the first driven wheel 5 and the driving travelling mechanism 3 are relatively fixed, the driving travelling mechanism 3 can rotate along with the rotation of the first driven wheel 5, thereby driving the vehicle frame 1 to move along the extension direction of the existing track, and then will bear the weight of the machines material transport on frame 1 to predetermineeing the position, based on this, this embodiment provides the rail transport vechicle and need not manpower and promote just can with machines material transport to predetermineeing the position, and the security is good, has saved the cost of labor, and simultaneously, the single transportable volume is great, work efficiency is high, and user experience is good.

In the embodiment, referring to fig. 1 and 2, the driving structure 2 includes a driving motor 21 and a speed reducer 22 disposed on the frame 1, an output shaft of the driving motor 21 is in transmission connection with an input shaft of the speed reducer 22, and an output shaft of the speed reducer 22 is in transmission connection with the first driven wheel 5, so that the structure is simple and easy to implement.

When the device is used specifically, the driving motor 21 is used as motive power, the power is transmitted to the speed reducer 22 through the output shaft of the driving motor, the torque is increased after passing through the speed reducer 22, and the speed reducer 22 transmits the torque to the driving travelling mechanism 3 of the rail car through the first driven wheel 5, so that the driving travelling mechanism 3 can start to move along the extending direction of the existing rail, and the conveying task of machine materials is completed.

Further, referring to fig. 1 and 2, the driving structure 2 further includes a first conveyor belt 23 and a second conveyor belt 24, wherein the output shaft of the driving motor 21 is provided with a driving wheel 211, the input shaft of the speed reducer 22 is provided with a second driven wheel 221 which is located on the same plane as the driving wheel 211, one end of the first conveyor belt 23 is sleeved on the driving wheel 211, and the other end of the first conveyor belt 23 is sleeved on the second driven wheel 221, in other words, the output shaft of the driving motor 21 and the input shaft of the speed reducer 22 are in transmission connection through the first conveyor belt 23.

The first belt 23 is a belt if the driving wheel 211 and the second driven wheel 221 are both pulleys, and the first belt 23 is a chain if the driving wheel 211 and the second driven wheel 221 are both sprockets, which can be arbitrarily selected according to specific use situations and is not limited herein.

According to some embodiments, the output shaft of the driving motor 21 and the input shaft of the reducer 22 may also be directly engaged through gears without the first belt conveyor 23 therebetween.

Further, in order to protect the first conveyor belt 23, a first protective cover is covered on the periphery of the first conveyor belt 23, so that the structure is simple, the implementation is easy, and the service life of the first conveyor belt 23 can be prolonged.

In this embodiment, the output shaft of the speed reducer 22 is provided with a third driven wheel 222, the third driven wheel 222 is located directly above the first driven wheel 5, one end of the second conveyor belt 24 is sleeved on the third driven wheel 222, and the other end of the second conveyor belt 24 is sleeved on the first driven wheel 5, in other words, the output shaft of the speed reducer 22 and the first driven wheel 5 are in transmission connection through the second conveyor belt 24.

The first driven wheel 5 and the third driven wheel 222 are both pulleys, the second transmission belt 24 is a belt, and if the first driven wheel 5 and the third driven wheel 222 are both sprockets, the second transmission belt 24 is a chain, which can be arbitrarily selected according to specific use situations, and is not limited herein.

In addition, a tension wheel 9 is further arranged between the output shaft of the speed reducer 22 and the first driven wheel 5, at this time, the second conveyor belt 24 located between the output shaft of the speed reducer 22 and the first driven wheel 5 is further sleeved on the tension wheel 9, it can be understood that the axis of the tension wheel 9, the axis of the output shaft of the speed reducer 22 and the axis of the first driven wheel 5 are parallel to each other, the tension wheel 9, the output shaft of the speed reducer 22 and the first driven wheel 5 are located on the same plane, preferably, referring to fig. 1 and 2, the third driven wheel 222 on the output shaft of the speed reducer 22, the tension wheel 9 and the first driven wheel 5 on the driving travelling mechanism 3 are located on the same vertical line, and the tension wheel 9 can control the tension force of the second conveyor belt 24, so as to ensure the force transmission.

According to some embodiments, the output shaft of the reducer 22 and the first driven wheel 5 may also be directly geared together without the need for the second belt 24.

In order to protect the second conveyor belt 24, a second protective cover is covered on the periphery of the second conveyor belt 24, so that the structure is simple, the implementation is easy, and the service life of the second conveyor belt 24 can be prolonged.

In the present embodiment, referring to fig. 1 and 2, each of the driving running gear 3 and the driven running gear 4 includes an axle 31 and insulated rail wheels 32 disposed at two ends of the axle 31, and the axle 31 of the driving running gear 3 and the axle 31 of the driven running gear 4 are rotatably connected to the frame 1 through bearings, it can be understood that the bearings have bearing seats, specifically, two ends of each axle 31 are fixedly mounted on the frame 1 through the bearing seats, an outer ring of each bearing and the bearing seats thereof are relatively fixed, and an inner ring of each bearing and a wall of the corresponding axle 31 are relatively fixed, so that each axle 31 can freely rotate relative to the corresponding bearing seat.

Further, referring to fig. 2, one side of each insulated rail wheel 32 close to the frame 1 is provided with an annular stop protrusion 33, that is, the insulated rail wheels 32 at two ends of each axle 31 are single-side insulated rail wheels 32, so that metal is isolated from contact with an existing rail due to good insulation, and a red light band phenomenon caused by a common rail wheel is avoided to a certain extent. When the frame 1 is assembled on the existing track, each annular stop protrusion 33 is arranged on the inner wall of the corresponding existing track in a blocking manner, and it can be understood that the distance between the inner walls of the two annular stop protrusions 33 at the two ends of the axle 31 is approximately equal to the distance between the outer walls of the two sides of the existing track within an allowable tolerance range, so that the frame 1 cannot rock along the width direction of the existing track, derailment of the rail transport vehicle provided by the embodiment can be effectively prevented, and the stability of the operation of the whole vehicle is ensured, the safety is good, and the reliability is high.

In specific implementation, the insulating track wheel 32 may be made of any suitable material, as long as the insulating property is good, the strength is high, and the insulating property is good, which is not limited herein.

Illustratively, the insulated rail wheel 32 is made of nylon 66, has good insulation and high strength, has tensile strength of more than 60MP, bending strength of 90MP and impact strength of more than 5KJ/m2, can isolate the existing rail from contacting the frame 1 of the rail transport vehicle, and has good insulation.

In this embodiment, the rail transport vehicle that this embodiment provided still includes braking structure 6, and braking structure 6 is used for braking initiative running gear 3's rotation to the moving speed to frame 1 brakies, promptly, braking structure 6 and initiative running gear 3 contact can make the rotational speed of initiative running gear 3 reduce fast, thereby slow down the functioning speed of frame 1, reach the effect of deceleration braking.

The braking structure 6 may have various implementation forms, as long as the active traveling mechanism 3 can be braked at a reduced speed, which is not limited herein.

Exemplarily, referring to fig. 2, the braking structure 6 includes a band-type brake wheel 61 and a brake lever 62, the band-type brake wheel 61 is disposed on an outer wall of the active running mechanism 3 and fixed opposite to the active running mechanism 3, and the brake lever 62 is disposed near the band-type brake wheel 61 and rotatably connected to the frame 1, it can be understood that a central axis of the brake lever 62 intersects with a central axis of the active running mechanism 3, preferably, the central axis of the brake lever 62 is perpendicular to the central axis of the active running mechanism 3, which is convenient for operation, time-saving and labor-saving for braking, and high in braking efficiency. Wherein, one end of the brake rod 62 close to the contracting brake wheel 61 is provided with a brake band 64 matched with the contracting brake wheel 61, and a person skilled in the art can easily understand that one surface of the brake band 64 close to the contracting brake wheel 61 is an arc-shaped surface matched with the outer contour of the contracting brake wheel 61. One end of the brake rod 62, which is far away from the band-type brake wheel 61, is provided with a brake pedal 63, the brake pedal 63 is exposed outside the frame 1, and when the bicycle is used specifically, a user treads the brake pedal 63, and the brake band 64 can be abutted against the band-type brake wheel 61 to brake the frame 1, so that the bicycle is simple in structure and convenient to use.

When the vehicle needs to be decelerated or stopped in a certain condition, the brake pedal 63 is stepped on, the brake rod 62 can rotate relative to the frame 1, the brake band 64 is tightened by utilizing the lever principle, and at the moment, the brake band 64 is tightly held with the band-type brake wheel 61 to generate friction force, so that the braking can be realized, and the brake device is simple in structure, easy to realize and good in safety.

When the external force of stepping on the brake pedal 63 is removed, the brake lever 62 can be rotated in the opposite direction with respect to the frame 1 to separate the brake band 64 from the brake wheel 61.

In this embodiment, the rail transportation vehicle provided in this embodiment further includes a controller (not shown), where the controller is electrically connected to the driving structure 2, and is used to control the operating state of the driving structure 2, for example, the controller can control the start and stop of the driving motor 21 of the driving structure 2, and can also control the operating speed of the driving motor 21, so as to realize that the vehicle frame 1 slides on the existing track at different speeds, and can also switch the driving motor 21 between forward rotation and reverse rotation, so as to realize forward sliding and reverse rotation functions of the vehicle frame 1.

Further, referring to fig. 1 and 2, the frame 1 further comprises a seat 7 for carrying a worker, the seat 7 being fixed to the frame 1 by a support structure and fixed relative to the frame 1. In a specific implementation, the seat 7 and the active traveling mechanism 3 are located on the same side of the frame 1, and as shown in fig. 2, the seat 7 and the active traveling mechanism 3 are both disposed near the rear end of the frame 1, so that a worker seated on the seat 7 can operate the vehicle conveniently.

In summary, the installation method of the rail transport vehicle provided by this embodiment is as follows:

(1) firstly, a driven axle of the driven travelling mechanism is installed, two bearings with seats are penetrated on the driven axle, the bearings are tapped in place, then the insulating track wheels on two sides are installed, finally the bearing seats are fixed on a frame through bolts, and nuts are fastened, so that the driven travelling mechanism is installed. The next time of use, the utility model is not disassembled.

(2) The driving axle of the driving travelling mechanism is installed, the band-type brake wheel is installed on the driving axle of the driving travelling mechanism and is welded firmly, the first driven wheel is installed at the other end of the driving axle but is not fixed, then the insulating track wheels on two sides are installed, and finally the bearing seat is fixed on a frame through bolts and nuts are fastened.

(3) Installing a driving structure, welding a bottom plate at the corresponding position of the frame according to the design position of the driving motor, arranging a first mounting hole, stably placing the driving motor, fixing the driving motor by using a bolt, not screwing, installing a driving wheel on an output shaft of the driving motor, and locking the bolt by using a nut.

(4) The speed reducer is installed, the second driven wheel is installed on the input end of the speed reducer, the third driven wheel is installed on the output end of the speed reducer, a bottom plate is welded on the frame according to the design position of the speed reducer, an installation long hole is formed, the position is convenient to adjust, the speed reducer is laid flat, the second driven wheel is aligned with the driving wheel, namely, the geometric center of the second driven wheel and the geometric center of the driving wheel are on the same straight line, an engine is fixed, a first transmission belt is sleeved on the driving wheel and the second driven wheel, the tightness is adjusted, and the speed reducer is fixed.

(5) And a second conveying belt and a tensioning wheel are installed, a first driven wheel on the driving axle is adjusted, the first driven wheel and a third driven wheel at the output end of the speed reducer are kept on a vertical line, and the first driven wheel is firmly welded. The tensioning wheel clamping plate is welded on the frame, the small shaft of the tensioning wheel is installed but not screwed, the second conveying belt is installed, the second conveying belt passes through the third driven wheel, the tensioning wheel and the first driven wheel and is firmly connected with the connecting piece, the position of the tensioning wheel is adjusted, the tensioning force of the second conveying belt is guaranteed to be proper, and the tensioning wheel is fixed.

(6) A first protective cover is arranged on the periphery of the first conveyor belt, and a second protective cover is arranged on the periphery of the second conveyor belt.

(7) The rear end of the frame is provided with a handlebar and a controller.

(8) The tightness of the pedal plate is adjusted to ensure that the brake belt is in moderate contact with the band-type brake wheel.

It is noted that, in this document, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A rail transport vehicle for construction in an existing rail tunnel is characterized by comprising a vehicle frame (1), a driving structure (2), a driving travelling mechanism (3) and a driven travelling mechanism (4), wherein the driving travelling mechanism and the driven travelling mechanism are used for being matched with an existing rail;

the driving travelling mechanism (3) and the driven travelling mechanism (4) are arranged at the bottom of the frame (1) at intervals along the length direction of the frame (1) so as to assemble the frame (1) on the existing track, a first driven wheel (5) is sleeved on the outer wall of the driving travelling mechanism (3), and the first driven wheel (5) and the driving travelling mechanism (3) are relatively fixed;

the output shaft of the driving structure (2) is in transmission connection with the first driven wheel (5), the driving structure (2) is used for driving the first driven wheel (5) to rotate around the axis of the driving walking mechanism (3) and driving the frame (1) to move along the extending direction of the existing track so as to transport the machine tool materials borne on the frame (1) to a preset position.

2. The rail transportation vehicle for construction in an existing rail tunnel according to claim 1, wherein the driving structure (2) comprises a driving motor (21) and a decelerator (22) provided on the frame (1);

an output shaft of the driving motor (21) is in transmission connection with an input shaft of the speed reducer (22), and an output shaft of the speed reducer (22) is in transmission connection with the first driven wheel (5).

3. The rail transit car for construction inside an existing rail tunnel according to claim 2, wherein the driving structure (2) further comprises a first conveyor belt (23) and a second conveyor belt (24);

a driving wheel (211) is arranged on an output shaft of the driving motor (21), a second driven wheel (221) which is positioned on the same plane as the driving wheel (211) is arranged on an input shaft of the speed reducer (22), one end of the first conveying belt (23) is sleeved on the driving wheel (211), and the other end of the first conveying belt (23) is sleeved on the second driven wheel (221); and/or the presence of a gas in the gas,

a third driven wheel (222) is arranged on an output shaft of the speed reducer (22), the third driven wheel (222) is located right above the first driven wheel (5), one end of the second conveyor belt (24) is sleeved on the third driven wheel (222), and the other end of the second conveyor belt (24) is sleeved on the first driven wheel (5).

4. The existing track tunnel construction rail transport vehicle according to claim 3, wherein the first conveyor belt (23) is a belt or a chain, and the second conveyor belt (24) is a belt or a chain.

5. The rail transport vehicle for construction inside an existing rail tunnel according to claim 1, wherein the driving traveling mechanism (3) and the driven traveling mechanism (4) each include an axle (31) and insulated rail wheels (32) provided at both ends of the axle (31);

two ends of each axle (31) are connected with the frame (1) through bearings; one side of each insulating track wheel (32) close to the frame (1) is provided with an annular stop protrusion (33), and when the frame (1) is assembled on the existing track, each annular stop protrusion (33) is arranged on the inner wall of the corresponding existing track in a blocking mode.

6. The rail transport vehicle for construction in the existing rail tunnel according to claim 1, wherein the number of the driven traveling mechanisms (4) is at least two, the at least two driven traveling mechanisms (4) are arranged at intervals along the length direction of the frame (1), all the driven traveling mechanisms (4) are arranged near the front end of the frame (1), and the driving traveling mechanism (3) is arranged near the rear end of the frame (1).

7. The railway transport vehicle for construction in the existing railway tunnel as claimed in claim 1, further comprising a braking structure (6), wherein the braking structure (6) is used for braking the rotation of the active running mechanism (3) so as to brake the moving speed of the vehicle frame (1).

8. The rail transit car for construction inside an existing rail tunnel according to claim 7, wherein the brake structure (6) includes a band brake wheel (61) and a brake lever (62);

the brake clasping wheel (61) is arranged on the outer wall of the driving travelling mechanism (3) and is relatively fixed with the driving travelling mechanism (3), the brake rod (62) is arranged close to the brake clasping wheel (61) and is rotatably connected with the frame (1), one end of the brake rod (62) close to the brake clasping wheel (61) is provided with a brake belt (64) matched with the brake clasping wheel (61), and one end of the brake rod (62) far away from the brake clasping wheel (61) is provided with a brake pedal (63);

when the brake pedal (63) is trampled, the brake belt (64) is propped against the brake-contracting wheel (61) so as to brake the frame (1).

9. The track transporter for construction inside an existing track tunnel according to any one of claims 1 to 8, further comprising a controller electrically connected to the driving structure (2) and configured to control an operating state of the driving structure (2).

10. The existing track intra-tunnel construction rail transport vehicle according to any one of claims 1 to 8, wherein the vehicle frame (1) further comprises a seat (7);

the seat (7) and the driving travelling mechanism (3) are located on the same side, and the seat (7) and the driving travelling mechanism (3) are both close to the rear end of the frame (1).

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