CN211995603U - Modular trolley for carrying track detection equipment - Google Patents

Abstract

The utility model relates to a modular trolley for carrying track detection equipment, a seat module is detachably arranged on a body module; the front axle module and the rear axle module can be detachably mounted below the vehicle body module, wherein the front axle module is an active power module and comprises a driving motor, and the modular trolley runs on the detection track through the front axle module and the rear axle module; the automobile body module is internally provided with a main driving operation panel and an auxiliary driving operation panel which are used for enabling the modularized trolley to be capable of driving in two directions without turning around, the main driving operation panel and the auxiliary driving operation panel are in communication connection with the driving motor, but the driving motor is not controlled at the same time, and the main driving operation panel and the auxiliary driving operation panel are switched through the change-over switch to enable the driving motor to be controlled respectively. The weight of each module in the modularized trolley does not exceed 60kg, and the modularized trolley can be carried by a single person; and each module can be carried into the vertical elevator by a single person and can be used in the use environment of subway scenes.

Description

Modular trolley for carrying track detection equipment

Technical Field

The present invention relates to a cart, and more particularly, to a modular cart for carrying track inspection equipment.

Background

The railway line equipment is basic equipment of railway transportation industry, and is exposed in nature throughout the year, and is subjected to the action of wind, rain, freezing and thawing and train load, the geometric dimension of the track is continuously changed, the roadbed and the track bed are continuously deformed, and the steel rail, the connecting parts and the sleeper are continuously worn, so that the technical state of the line equipment is continuously changed, therefore, a work department grasps the change rule of the line equipment, detects the state of the line in time, and strengthens the detection and management of the line, thereby becoming important basic work for ensuring the quality of the line and the transportation safety.

The safety detection of the high-speed railway track ensures the safety of the high-speed railway transportation, and the safety detection of the high-speed railway track usually comprises the following steps: track smoothness detection, track force detection, noise detection and steel rail detection. Conventionally, a rail detection device is generally mounted on a detection carriage, the detection carriage has wheels matching with a rail, and the detection carriage travels along the rail to perform detection. However, the conventional detection trolley is generally designed in an integral manner, for example, patents with publication numbers CN207225356U and CN207997866U disclose an integral detection trolley, which needs to be manually carried to a subway rail when being used for detecting the subway rail, and is inconvenient to use, so that it is necessary to design a modular trolley for carrying rail detection equipment, the trolley is designed in a modular manner, and is convenient to disassemble and assemble, and each module can be easily carried by one person.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a but a structural design is reasonable, easy dismounting, each module alone transport be used for carrying on track check out test set's modularization dolly.

The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a modularization dolly for carrying on track check out test set which characterized in that: the modularized trolley comprises a trolley body module, a seat module, a front axle module and a rear axle module; the seat module is detachably mounted on the vehicle body module; the front axle module and the rear axle module can be detachably mounted below the vehicle body module, wherein the front axle module is an active power module and comprises a driving motor, and the modular trolley runs on the detection track through the front axle module and the rear axle module; the modularized trolley is characterized in that a main driving operation panel and an auxiliary driving operation panel which are used for enabling the modularized trolley to be capable of driving in two directions without turning around are arranged in the trolley body module, the main driving operation panel and the auxiliary driving operation panel are in communication connection with the driving motor, but the driving motor is not controlled at the same time, and the main driving operation panel and the auxiliary driving operation panel are switched through a change-over switch to enable the driving motor to be controlled respectively.

Preferably, the vehicle body module comprises a vehicle body main frame and windshield assemblies respectively arranged at two ends of the vehicle body main frame, and the windshield assemblies are connected with the vehicle body main frame in a foldable manner; when the automobile body is in an unfolded state, the windshield assembly is placed vertically, and when the automobile body is in a folded state, the windshield assembly is placed horizontally and is attached to the automobile body main body frame, the main driving operation panel is installed on the windshield assembly at one end, and the auxiliary driving operation panel is installed on the windshield assembly at the other end; and the two sides of one end of the main body frame of the vehicle body are provided with foldable traveling wheels for the vehicle body.

Preferably, the vehicle body main frame is made of an aluminum alloy material; and carrying seats for carrying detection equipment are arranged on two sides of the vehicle body main body frame.

Preferably, the windshield assembly comprises two side leg assemblies and a windshield plate, and the leg assemblies are connected with the vehicle body main frame in a foldable mode; the two side leg assemblies are assembled together through a plurality of transverse connecting pipes; the transverse connecting pipes are also provided with a plurality of longitudinal connecting pipes, two wind shields are arranged and are arranged on a frame consisting of the transverse connecting pipes and the longitudinal connecting pipes, and the wind shields are provided with headlights, alarm lamps and loudspeakers; the supporting leg assembly comprises two supporting legs and is in an h shape, one of the supporting legs is hinged with the main body frame of the vehicle body, and the other supporting leg is connected with the main body frame of the vehicle body through a first manual quick clamp; when the windshield assembly is in an open state, the first manual quick clamp locks the windshield assembly and the vehicle body frame together, and the windshield assembly cannot rotate; loosening the first manual quick clamp, and attaching the windshield assembly to the vehicle body main frame after the windshield assembly rotates to a horizontal state; the side part of the vehicle body main body frame is provided with a stop block for limiting the supporting leg hinged with the vehicle body main body frame, and when the windshield assembly rotates from flat placement to vertical placement, the stop block abuts against the supporting leg to prevent the supporting leg from continuously rotating.

Preferably, the main driving operation panel or the auxiliary driving operation panel is arranged at the top of a frame consisting of a plurality of transverse connecting pipes and longitudinal connecting pipes, and a workbench is arranged at the top and positioned beside the main driving operation panel or the auxiliary driving operation panel; the main driving operation panel and the auxiliary driving operation panel are installed according to the rule of a left driving position, and the main driving operation panel and the auxiliary driving operation panel in the two groups of windshield assemblies are arranged in a diagonal manner.

Preferably, a fence is mounted to the front side of the damper assembly.

Preferably, four foot pedals are mounted on the vehicle body main frame, every two foot pedals form a group, and the position between the two groups of foot pedals is used for mounting the seat module.

Preferably, the modular cart further comprises a ceiling module; the ceiling module comprises a ceiling and supporting rods which are positioned at four corners of the ceiling and used for supporting the ceiling, the four supporting rods are respectively inserted at the top ends of the supporting legs in the four supporting leg assemblies, and the supporting rods are locked by a second manual quick clamp.

Preferably, the seat module includes seat bottom frame, seat and seat transport with the walking wheel, the seat sets up two at least to install on seat bottom frame in a back-to-back mode, seat transport with the walking wheel install the bottom at seat bottom frame for promote the seat module walking.

Preferably, the seats are four in number, and two seats are arranged in a group, and two groups of seats are arranged on the seat bottom frame in a back-to-back mode.

Preferably, the four travelling wheels for carrying the seat are uniformly distributed at the bottom of the seat bottom frame.

Preferably, the armrest frame is mounted on two sides of the seat bottom frame and is higher than the seat bottom frame.

Preferably, the armrest frame is sleeved with a soft protective sleeve.

Preferably, a leaning cross beam is arranged between the two armrest frames, and the seats are uniformly distributed on two sides of the leaning cross beam.

Preferably, the leaning beam is sleeved with a soft protective sleeve.

Preferably, the middle part of the leaning cross beam is connected with the top part of the seat bottom frame through a reinforcing plate.

Preferably, a storage box is arranged between the two seats in each group, and the storage box is arranged on the top of the seat bottom frame.

Preferably, the bottom of the seat bottom frame is provided with a positioning block for positioning and mounting the seat bottom frame on a vehicle body; six third manual quick clamps and a protruding structure used for being matched with the positioning block are arranged at the middle position of the vehicle body main body frame, when the seat module is installed on the vehicle body module, the positioning block is firstly clamped on the protruding structure, and then the third manual quick clamps are used for fixedly connecting the seat module and the vehicle body main body frame.

Preferably, the seat bottom frame has an accommodation space which is located below the seat and is used to place an equipment cabinet or the like of the mounted detection equipment.

Preferably, the front axle module comprises a front axle frame, a driving wheel, a front axle and a front axle carrying travelling wheel; the front axle and the driving motor are both arranged below the front axle frame; driving wheels are arranged at two ends of the front axle; the driving motor drives the front axle to drive the driving wheels to rotate, and a pair of front axle carrying walking wheels is arranged at least at one end of the upper surface of the front axle frame; the rear axle module comprises a rear axle frame, driven wheels, a rear axle and a travelling wheel for carrying the rear axle; the rear axle is arranged below the rear axle frame; driven wheels are arranged at two ends of the rear axle; at least one end of the upper surface of the rear axle frame is provided with a pair of rear axle carrying travelling wheels; the front axle module and the rear axle module respectively comprise a braking mechanism, wherein the braking mechanism in the front axle module is arranged on the front axle frame and used for braking the front axle, and the braking mechanism in the rear axle module is arranged on the rear axle frame and used for braking the rear axle; the two sets of brake mechanisms are in communication connection with the driving motor, and the power supply of the driving motor can be cut off when any one set of brake mechanism works. And a distance measuring encoder is also installed on the rear axle frame and is connected with the rear axle for the running distance of the trolley.

Preferably, the brake mechanism comprises a pedal arm, a brake pedal mounting side plate, a brake pedal mounting bottom plate, a manual parking locking assembly and a travel switch used for sending a stop signal to a driving motor of the track inspection vehicle after the pedal part is stepped on; the two brake pedal mounting side plates are oppositely arranged on the brake pedal mounting bottom plate; the rear end of the pedal arm is a pedal part, the front end of the pedal arm is hinged between the two brake pedal mounting side plates, and service braking is carried out by stepping down the pedal part; the manual parking locking assembly is used for locking a treaded pedal arm; the travel switch is arranged on the brake pedal mounting base plate, when the brake is not performed, the front end of the pedal arm is in contact with the travel switch, and when the brake is performed, the front end of the pedal arm is separated from the travel switch; the manual parking locking assembly comprises a pull ring, a pulling rod, a tension spring and a locking swing arm; a first rod piece, a second rod piece, a third rod piece and a fourth rod piece which are parallel to each other and sequentially arranged are arranged on the pedal arm; two ends of the first rod piece are respectively installed on the two brake pedal installation side plates, and when the pedal part is stepped down, the pedal arm rotates around the first rod piece; arc-shaped slotted holes are formed in the brake pedal mounting side plates, and two ends of the second rod piece are located in the arc-shaped slotted holes in the two brake pedal mounting side plates; two locking swing arms are arranged and are respectively installed at two ends of the third rod piece, and one side of each locking swing arm is provided with a latch; the upper ends of the two locking swing arms are connected through a trip rod, and the middle parts of the two locking swing arms are connected through a connecting rod; one end of the tension spring is connected to the second rod piece, and the other end of the tension spring is connected to the connecting rod; one end of the pull ring is connected to the fourth rod piece, and a clamping hook for clamping the connecting rod is arranged on the pull ring; one side of each of the two brake pedal mounting side plates is provided with a meshing tooth meshed with the latch on the locking swing arm; when the hook of the pull ring blocks the connecting rod, the meshing teeth on the installation side plate of the brake pedal are not meshed with the teeth on the locking swing arm, the pull ring is pulled to separate the hook from the connecting rod, and the meshing teeth on the installation side plate of the brake pedal are meshed with the teeth on the locking swing arm.

Preferably, the two ends of the upper surface of the front axle frame and the two ends of the upper surface of the rear axle frame are respectively provided with a mud-blocking cover plate, one mud-blocking cover plate corresponds to one wheel, the mud-blocking cover plate is positioned above the wheel, a pair of front axle carrying walking wheels are arranged on the mud-blocking cover plate at one end of the upper surface of the front axle frame, and correspondingly, a pair of rear axle carrying walking wheels are arranged on the mud-blocking cover plate at one end of the upper surface of the rear axle frame.

Preferably, two reversing warning lamps and two stone sweeping assemblies are mounted on the side portions of the front axle frame and the rear axle frame, and four manual quick clamps for fixedly connecting the front axle module and the rear axle module with the vehicle body main body frame are further mounted respectively. In addition, the front axle frame and the rear axle frame are both provided with fixing holes, when the front axle module and the rear axle module are arranged under the vehicle body module, firstly, two windshield assemblies in the vehicle body module are unfolded, at the same time, the vehicle body main body frame is stably placed on the ground under the action of supporting legs in the windshield assemblies, then one end of the vehicle body main body frame is lifted, the front axle module is moved to the lower part of the vehicle body main body frame, the supporting legs in the windshield assembly at one end are inserted into the fixing holes for preliminary fixing, then the other end of the vehicle body main body frame is moved, the rear axle module is moved to the lower portion of the vehicle body main body frame, the supporting legs in the windshield assembly at the other end are inserted into the fixing holes to be fixed again, the vehicle body main body frame is stably placed on the front axle module and the rear axle module, and finally the front axle module and the rear axle module are fastened and assembled with the vehicle body main body frame through a fourth manual quick clamp.

Preferably, the driving wheel and the driven wheel have the same structure and respectively comprise a tire tread and a hub, the tire tread is sleeved on the hub, the hub is formed by connecting a left half hub and a right half hub together, and the left half hub and the right half hub are both made of stainless steel plates through a spinning process; the left half wheel hub is made of a stainless steel plate through spinning technology and is integrally formed into a disc shape, and the left half wheel hub comprises a left wheel spoke plate, a left wheel rim and a left check ring; one side of the left rim is connected with a left wheel spoke plate, and the other side of the left rim is connected with a left check ring; the right half hub is made of a stainless steel plate through spinning technology and is integrally formed into a disc shape, and the right half hub comprises a right wheel spoke plate, a right wheel rim and a right check ring; one side of the right rim is connected with a right spoke plate, and the other side of the right rim is connected with a right check ring; the left wheel spoke plate and the right wheel spoke plate are consistent in size, and wheel axle assembling holes for installing wheel axles are formed in the centers of the left wheel spoke plate and the right wheel spoke plate; when the left half hub and the right half hub are connected together, the left spoke plate and the right spoke plate are attached together; the left rim and the right rim jointly form a rim part of the hub and are used for supporting and mounting a tire tread; the tire tread is sleeved on the left rim and the right rim and is positioned between the left retaining ring and the right retaining ring; the left check ring is used for limiting the left end face of the tire tread, and the right check ring is used for limiting the right end face of the tire tread.

Preferably, the tire tread is a polyurethane tire tread.

Preferably, the left half hub and the right half hub are both made of stainless steel plates through integral forming through a spinning process.

Preferably, reinforcing ribs are arranged on the left wheel spoke plate or the right wheel spoke plate, so that the strength of the wheel is improved.

Preferably, the side of the tire tread has a ring of upwardly convex flanges.

Preferably, a plurality of bolt mounting holes which are circumferentially distributed by taking the wheel axle assembling hole as the center are further formed in the left wheel spoke plate and the right wheel spoke plate.

Preferably, the width of the whole wheel structure is 133mm, and the height is 354 mm.

Preferably, the modular trolley further comprises a control box and a battery module; the control box is installed on the front axle module and is positioned below the front axle frame, and the battery module is placed in the seat module and is positioned in the accommodating space of the seat bottom frame.

The battery module is used for providing power for the modularized trolley and the carried track detection equipment; the control box is in communication connection with the battery module, the driving motor, the front axle braking mechanism, the rear axle braking mechanism, the main driving operation panel and the auxiliary driving operation panel; the main driving operation panel and the auxiliary driving operation panel respectively comprise a gear adjusting knob, a headlamp switch button, a reversing button and a horn button, a main driving switching button and an auxiliary driving switching button are further arranged on the main driving operation panel, and one of the main driving operation panel and the auxiliary driving operation panel is in a working state through the main driving switching button and the auxiliary driving switching button.

In the utility model, the weight of each module is not more than 60 kg. The weight of automobile body module is 35kg, keeps flat the folding of windscreen subassembly, with automobile body main part frame laminating together, then with the help of the walking wheel for the automobile body, only need single can easily carry, size (mm) after the automobile body is folding: 1865, 1114, 524, which can be transported to the vertical elevator. The weight of whole front axle module is 55kg, with the help of the walking wheel of front axle transport, can realize single light transport. The weight of whole rear axle module is 48kg, with the help of the walking wheel for the rear axle transport, can realize single light transport.

The utility model discloses in, the assembly of modularization dolly is by two people complex fast-assembling methods:

the first step is as follows: unfolding the windshield assembly and placing the vehicle body frame in the center of the track; the front axle module and the rear axle module are arranged on the front track and the rear track of the main body frame of the vehicle body; the seat module and the ceiling module are placed beside the track for standby;

the second step is that: the installation front, rear axle module specifically is: one person lifts up one end of the vehicle body main frame, the other person moves the front axle module to the lower side of the front end of the vehicle body main frame, the supporting legs in the windshield assembly at one end are inserted into the fixing holes to be preliminarily positioned, and then the front axle module and the vehicle body module are fastened and assembled together by utilizing a fourth manual quick clamp. Connecting the cables between the front axle module and the vehicle body module after completion; then one person moves the other end of the main body frame of the automobile body, the other person moves the rear axle module to the lower part of the main body frame of the automobile body, the supporting legs in the windshield assembly at the other end are inserted into the fixing holes for positioning, and then the rear axle module and the main body frame of the automobile body are fastened and assembled together by using a fourth manual quick clamp; and connecting the cable between the rear axle module and the vehicle body module after the completion.

The third step: installing a seat module, specifically: firstly, clamping a positioning block at the bottom of a seat bottom frame on a protruding structure arranged at the middle position of a vehicle body main body frame, and then fixedly connecting a seat module with the vehicle body main body frame by using a third manual quick clamp; cables before connecting the seat module and other modules.

The fourth step: the ceiling module is installed according to actual needs, the four support rods in the ceiling module are respectively inserted at the top ends of the support legs in the four support leg assemblies, and the four support rods are locked by the second manual quick clamp.

Compared with the prior art, the utility model, have following advantage and effect: (1) the trolley adopts a modular design, convenience is provided for carrying various detection devices, and the weight of each module is not more than 60kg, so that the trolley can be carried by a single person; each module can be moved into the vertical elevator by a single person and can be used in the use environment of a subway scene; (2) the product fully considers the comfort of a user, particularly, the bidirectional operation positions are adopted in the control of the trolley, manual disassembly and turning around (3) are not needed, the structural design of the car body module is reasonable, the weight is light, and the transportation is convenient after the windshield assembly is folded; (4) the left half wheel hub and the right half wheel hub in the wheel structure are both made of 304 stainless steel plates through spinning and forming integrally, the processing is convenient, the cost is low, the left half wheel hub and the right half wheel hub are connected together and then wrapped with a layer of polyurethane tire tread, the polyurethane tire tread has strong wear resistance and certain elasticity, the abrasion to a track can be reduced, and the anti-vibration capability of a trolley is improved; (5) the seat module is reasonable and simple in structural design, is used for two-way seating of detection personnel, has an object placing space, and can install the battery module and the equipment case on the seat module; the bottom of the seat bottom frame is provided with a seat carrying walking wheel for pushing the seat module to walk, so that the seat module is convenient to carry; (6) a manual parking locking assembly is designed in the braking mechanism, so that the trolley is prevented from sliding after being parked, and the parking is safe and reliable.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of a modular cart according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of a vehicle body module according to an embodiment of the present invention.

Fig. 3 is a schematic top view of a vehicle body module according to an embodiment of the present invention.

Fig. 4 is a schematic perspective view of a windshield assembly with a main driving operation panel installed in the embodiment of the present invention.

Fig. 5 is a schematic top view of the windshield assembly with the main driving operation panel installed in the embodiment of the present invention.

FIG. 6 is a block diagram illustrating one windshield assembly not fully collapsed and the other windshield assembly fully collapsed.

Fig. 7 is a schematic view showing a position state of a road wheel for a vehicle body when the vehicle body module is to be carried.

Fig. 8 is a schematic view showing the position state of the road wheels for the vehicle body when the vehicle body module is not carried.

Fig. 9 is a schematic perspective view of a seat module according to an embodiment of the present invention.

Fig. 10 is a schematic front view of a seat module according to an embodiment of the present invention.

Fig. 11 is a perspective view of a front axle module in an embodiment of the present invention.

Fig. 12 is a schematic front view of a front axle module according to an embodiment of the present invention.

Fig. 13 is a schematic top view of a front axle module according to an embodiment of the present invention.

Fig. 14 is a schematic perspective view of a braking mechanism according to an embodiment of the present invention.

Fig. 15 is a schematic cross-sectional structural view of a brake mechanism according to an embodiment of the present invention.

Fig. 16 is a schematic structural view of the brake mechanism according to the embodiment of the present invention after the pedal arm is locked after being depressed.

Fig. 17 is a perspective view of a rear axle module in an embodiment of the present invention.

Fig. 18 is a schematic top view of a rear axle module according to an embodiment of the present invention.

Fig. 19 is a schematic structural view of the main and the sub-motor vehicle wheels mounted in the front and the rear axle modules according to the embodiment of the present invention.

Figure 20 is a half-sectional view of the wheel shown in figure 19.

Fig. 21 is a front view of the wheel shown in fig. 19.

Fig. 22 is a cross-sectional view of the wheel shown in fig. 19.

FIG. 23 is a schematic view of the tire tread of FIG. 22 removed.

Fig. 24 is a schematic structural view of a ceiling module according to an embodiment of the present invention.

Description of reference numerals: a body module a 1; ceiling module a 2; seat module a 3; front axle module a 4; rear axle module a 5; battery module a 7; equipment chassis A8; a control box a 9; a vehicle body main frame A1-1; windshield assembly a 1-2;

road wheels 11 for a vehicle body; a tension spring 13; a foot board 12; a third manual quick clamp 14; a mounting seat 15;

a leg assembly 21; a wind deflector 22; a transverse connecting tube 23; a longitudinal connecting tube 24; a first manual quick clamp 25; a stopper 26; a main driving operation panel 27; a work table 28; a headlight 29; a fence 210; a driving assistance operation panel 211; a horn 212; an alarm lamp 213; a gear adjusting knob 271; a headlight switch button 272; a back button 273; a horn button 274; a main-auxiliary driving switching button 275;

the seat bottom frame 31; a seat 32; a traveling wheel 33 for seat carrying; the armrest frame 34; a flexible protective cover 35; the reclining cross member 36; a reinforcing plate 37; a storage box 38; a positioning block 39; a binding tensioner 310; a connector lug 81;

a front axle frame 41; the driving wheels 42; a front axle 43; a drive motor 44; a traveling wheel 45 for front axle carrying; a mud flap 47; a reverse warning lamp 48; a fourth manual quick clamp 49; a fixing hole 410; a stone sweeping assembly 411; a rear axle frame 51; a driven wheel 52; a rear axle 53; a traveling wheel 54 for rear axle carrying; a ranging encoder 59;

a brake mechanism 46; a pedal arm 461; brake pedal mounting side plate 462; a brake pedal mounting base plate 463; a pull ring 464; a toggle lever 465; a tension spring 466; a locking swing arm 467; a travel switch 468; connecting rods 469; brake master cylinder piston 4610; tension spring number two 4616; a pedal portion 4611; rod number one 4612; rod No. two 4613; number three bar 4614; number four bar 4615; arc-shaped slots 4621;

a ceiling 61; a support bar 62; a second manual quick clamp 63;

tire tread C1; flange C11; left half hub C2; right half hub C3; a left wheel web C21; left rim C22; left retainer C23; a right wheel web C31; a right rim C32; a right baffle ring C33; a wheel axle mounting hole C4; bolt mounting holes C5; and reinforcing ribs C6.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

See fig. 1-24.

The embodiment discloses a modular trolley for carrying track detection equipment, which comprises a trolley body module A1, a seat module A3, a front axle module A4, a rear axle module A5, a ceiling module A2, a control box A9 and a battery module A7. The weight of each module does not exceed 60 kg.

In this embodiment, the seat module A3 is removably mounted on the body module a 1; the front axle module A4 and the rear axle module A5 can be detachably mounted below the vehicle body module A1, wherein the front axle module A4 is an active power module and comprises a driving motor 44, and the modular trolley runs on the detection track through the front axle module A4 and the rear axle module A5; the vehicle body module A1 is provided with a main driving operation panel 27 and an auxiliary driving operation panel 211 which are used for enabling the modular trolley to drive in two directions without turning around, and the main driving operation panel 27 and the auxiliary driving operation panel 211 are both in communication connection with the driving motor 44, but the driving motor 44 cannot be controlled at the same time. The roof module a2 is mounted above the body module a1 and may be used to shade sun, rain, etc. The battery module A7 is used to provide power for the modular cart and the onboard track detection equipment.

In this embodiment, the vehicle body module A1 includes a vehicle body frame A1-1 and a windshield assembly A1-2 respectively mounted at two ends of the vehicle body frame A1, and the rail 210 is mounted at the front side of the windshield assembly A1-2, and the rail 210 is simplified to be made of a single tube due to the limitation of the weight of the whole vehicle. The vehicle body main frame A1-1 is made of aluminum alloy. The two sides of the body frame A1-1 are provided with carrying seats 15 for carrying detection equipment, when detecting the rail, for example, ultrasonic rail flaw detection, the corresponding ultrasonic detection equipment can be hung on the carrying seats 15, in addition, the body frame A1-1 is provided with a water pipe, when detecting the rail ultrasonic, water is needed to be used as a medium, a water tank is placed in the end fence 210 of the body frame A1-1, and the water is sent to the ultrasonic detection equipment through the water pipe. The fence 210 can be used for placing a water tank, and a net bag or a net bag is hung on the fence 210 so as to be used as a tool storage frame.

In this embodiment, the windshield assembly A1-2 is foldably connected to the body frame A1-1; when the automobile is in an opening state, the windshield assembly A1-2 is vertically placed, and when the automobile is in a folding state, the windshield assembly A1-2 is horizontally placed and attached to the automobile body main body frame A1-1, the main driving operation panel 27 is installed on the windshield assembly A1-2 at one end, and the auxiliary driving operation panel 211 is installed on the windshield assembly A1-2 at the other end; foldable road wheels 11 for a vehicle body are mounted on both sides of one end of the vehicle body main body frame A1-1.

In this embodiment, the windshield assembly a1-2 comprises two side leg assemblies 21 and a windshield 22, the leg assemblies 21 being foldably connected to a vehicle body frame a 1-1; the two side leg assemblies 21 are assembled together through a plurality of transverse connecting pipes 23; the transverse connecting pipes 23 are also provided with a plurality of longitudinal connecting pipes 24, the wind shields 22 are arranged in two blocks and are arranged on a frame consisting of the transverse connecting pipes 23 and the longitudinal connecting pipes 24, and the wind shields 22 are provided with headlights 29, warning lights 213 and loudspeakers 212 for lighting.

Specifically, as a preferable mode, the leg assembly 21 comprises two legs in an "h" shape, wherein one leg is hinged with the vehicle body main frame a1-1, and the other leg is connected with the vehicle body main frame a1-1 through a first manual quick clamp 25; when the windshield assembly A1-2 is in the open state, the first manual snap clip 25 locks the windshield assembly A1-2 and the vehicle body frame A1-1 together, and the windshield assembly A1-2 cannot rotate; loosening the first manual quick clamp 25, rotating the windshield assembly A1-2 to a flat state and then attaching the windshield assembly A1-2 to the vehicle body main body frame A1-1; the side of the vehicle body frame A1-1 is provided with a stop 26 for limiting the leg hinged with the vehicle body frame A1-1, and when the windshield assembly A1-2 rotates from flat to vertical, the stop 26 abuts against the leg to prevent the leg from continuing to rotate.

In this embodiment, the ceiling module a2 includes a ceiling 61 and support rods 62 located at four corners of the ceiling 61 for supporting the ceiling 61, and the four support rods 62 are respectively inserted into the top ends of the legs of the four leg assemblies 21 and locked by the second manual quick clamp 63.

In this embodiment, the main driving operation panel 27 or the assistant driving operation panel 211 is installed on the top of the frame composed of the plurality of transverse connecting pipes 23 and the plurality of longitudinal connecting pipes 24, and the workbench 28 is installed on the top, and the workbench 28 is located beside the main driving operation panel 27 or the assistant driving operation panel 211; the main driving operation panel 27 and the auxiliary driving operation panel 211 are installed according to the rule of the left driving position, and the main driving operation panel 27 and the auxiliary driving operation panel 211 in the two groups of windshield assemblies A1-2 are arranged in a diagonal manner. The main driving operation panel 27 and the auxiliary driving operation panel 211 can not control the trolley to run simultaneously, and when the trolley is used, the trolley can have a bidirectional running function without turning the trolley body around. The table 28 may be used to place inspection tools and the like.

In this embodiment, the main driving operation panel 27 and the assistant driving operation panel 211 each include a shift knob 271, a headlight switch button 272, a back button 273 and a horn button 274, the main driving operation panel 27 is further provided with a main driving and assistant driving switch button 275, and one of the main driving operation panel 27 and the assistant driving operation panel 211 is in a working state by the main driving and assistant driving switch button 275.

In this embodiment, the road wheels 11 for the vehicle body are rotatably mounted at the end of the vehicle body main frame a1-1 and connected by a tension spring 13, when the vehicle body needs to be carried, the road wheels 11 for the vehicle body are rotated to be arranged along the length direction of the vehicle body main frame a1-1, and when the vehicle body does not need to be carried, the road wheels 11 for the vehicle body are rotated to be arranged along the width direction of the vehicle body main frame a1-1, so that the vehicle body can be conveniently stored upright.

In this embodiment, four steps 12 are mounted on the vehicle body frame a1-1, two steps are grouped together, and the position between the two steps 12 is used for mounting the seat module A3.

In this embodiment, the weight of the vehicle body module a1 is 35kg, and the windshield assembly a1-2 is folded and laid flat and is attached to the vehicle body main frame a1-1, and then the vehicle body module a1 is folded to have a size of mm, wherein the vehicle body module a1-2 can be easily carried by a single person with the help of the road wheels 11 for the vehicle body: 1865, 1114, 524, which can be transported to the vertical elevator.

In this embodiment, the seat module a3 includes a seat bottom frame 31, a seat 32, and a seat-carrying road wheel 33. The seats 32 are at least two and are installed on the seat bottom frame 31 in a back-to-back manner, and considering that two persons are usually required during the detection operation, one of the two persons is used for driving the track detection vehicle, and the other one is used for performing the detection operation, preferably, the seats 32 are four in the embodiment, two seats are arranged in one group, and two groups of seats 32 are installed on the seat bottom frame 31 in a back-to-back manner, so that four persons can be seated. Between the two seats 32 in each group there is provided a storage box 38, which storage box 38 is mounted on top of the seat bottom frame 31. The storage box 38 may be used for holding tools and the like for the inspector.

In this embodiment, four traveling wheels 33 for seat transportation are provided, and are uniformly installed at the bottom of the seat bottom frame 31, so as to push the seat module a3 to travel, thereby facilitating the seat transportation.

In this embodiment, the armrest frames 34 higher than the seat bottom frame 31 are mounted on both sides of the seat bottom frame 31. The armrest frame 34 is sleeved with a soft protective cover 35. A leaning cross beam 36 is arranged between the two armrest frames 34, and the seats 32 are evenly distributed on two sides of the leaning cross beam 36. Similarly, the reclining cross member 36 is also covered with a soft protector 35.

In the present embodiment, in order to reinforce the stability of the reclining cross member 36, a reinforcing plate 37 is connected to the top of the seat bottom frame 31 at the middle of the reclining cross member 36.

In the present embodiment, the seat bottom frame 31 has an accommodation space for accommodating the battery module a7 of the rail inspection vehicle and the equipment box A8 of the inspection equipment mounted on the vehicle, and the accommodation space is located below the seat 32. The battery a7 and the seat bottom frame 31 are fixed and bound together by the binding binder 310, and the battery a7 is not detached and carried together with the seat when the seat is carried. When the seat is carried, the equipment case A8 is taken away firstly, so that the equipment case A8 is prevented from being damaged, the weight of the seat is reduced, and the seat is convenient to carry; the equipment cabinet A8 has a connector 81 for connecting batteries and other sensing equipment.

In the present embodiment, the bottom of the seat bottom frame 31 is provided with a positioning block 39 for positioning and mounting it on the vehicle body module a 1; six third manual quick clamps 14 and a protruding structure matched with the positioning block 39 are arranged at the middle position of the vehicle body main frame A1-1, when the seat module A3 is installed on the vehicle body module A1, the positioning block 39 is firstly clamped on the protruding structure, and then the seat module and the vehicle body main frame A1-1 are fixedly connected through the third manual quick clamps 14. In addition, the third manual quick clamp 14 has another function, the left side and the right side of the upper end part of the windshield assembly A1-2 are respectively provided with a hook, when the windshield assembly A1-2 is folded and attached to the automobile body main body frame A1-1, the hooks on the two sides are hooked by the two third manual quick clamps 14, so that the windshield assembly A1-2 and the automobile body main body frame A1-1 are further bound, and the windshield assembly A1-2 is prevented from unfolding in the vertical carrying process.

In this embodiment, front axle module a4 includes front axle frame 41, drive wheels 42, front axle 43, and front axle traveling wheels 45 for transporting; the front axle 43 and the drive motor 44 are both mounted below the front axle frame 41; driving wheels 42 are arranged at two ends of a front axle 43; the driving motor 44 drives the front axle 43 to rotate the driving wheels 42, and the specific structure of the front axle 43 can refer to the prior art and will not be described herein. A pair of front axle carrying road wheels 45 are mounted on one end of the upper surface of the front axle frame 41.

In this embodiment, the rear axle module a5 includes a rear axle frame 51, driven wheels 52, a rear axle 53, and rear axle traveling wheels 54 for transportation; the rear axle 53 is mounted below the rear axle frame 51; driven wheels 52 are arranged at two ends of the rear axle 53; a pair of rear axle carrying road wheels 54 are mounted at one end of the upper surface of the rear axle frame 51.

In this embodiment, front axle module A4 and rear axle module A5 each include a brake mechanism 46, wherein brake mechanism 46 in front axle module A4 is mounted on front axle frame 41 for braking front axle 43, and brake mechanism 46 in rear axle module A5 is mounted on rear axle frame 51 for braking rear axle 53; specifically, the brake mechanism 46 brakes a driving wheel shaft mounted on the front axle 43 or a driven wheel shaft mounted on the rear axle 53 by driving a caliper and holding a brake disc using a hydraulic pump. Both sets of brake mechanisms 46 are in communication with the drive motor 44, and either set of brake mechanism 46 can cut off power to the drive motor 44 when operating. The rear axle frame 51 is also provided with a distance measuring encoder 59, and the distance measuring encoder 59 is connected with the rear axle 53 and used for the running distance of the trolley.

In this embodiment, the weight of whole front axle module is 55kg, carries with the help of the front axle and uses the walking wheel, can realize single light transport. The weight of whole rear axle module is 48kg, with the help of the walking wheel for the rear axle transport, can realize single light transport.

In this embodiment, the brake mechanism 46 includes a pedal arm 461, a brake pedal mounting side plate 462, a brake pedal mounting bottom plate 463, a manual parking lock assembly, and a travel switch 468 for sending a stop signal to the drive motor 44 of the track-detecting vehicle when the pedal portion 4611 is depressed.

In this embodiment, the two brake pedal mounting side plates 462 are disposed and mounted on the brake pedal mounting base plate 463 oppositely; the rear end of the pedal arm 461 is a pedal portion 4611, the front end thereof is hinged between the two brake pedal mounting side plates 462, and service braking is performed by stepping on the pedal portion 4611. The manual parking lock assembly is used for locking the treaded pedal arm 461; the travel switch 468 is attached to the brake pedal attachment base 463, and when the brake is not being performed, the front end of the pedal arm 461 contacts the travel switch 468, and when the brake is being performed, the front end of the pedal arm 461 disengages from the travel switch 468.

In this embodiment, the manual park lock assembly includes a pull ring 464, a toggle lever 465, a tension spring 466, and a lock swing arm 467. A first rod 4612, a second rod 4613, a third rod 4614 and a fourth rod 4615 which are parallel to each other and arranged in sequence are arranged on the pedal arm 461; both ends of the first rod 4612 are respectively mounted on the two brake pedal mounting side plates 462, and when the pedal portion 4611 is stepped on, the pedal arm 461 rotates around the first rod 4612.

In this embodiment, the brake pedal mounting side plate 462 is provided with an arc-shaped slot 4621, and two ends of the second rod 4613 are positioned in the arc-shaped slots 4621 of the two brake pedal mounting side plates 462.

In this embodiment, two locking swing arms 467 are provided and are respectively installed at two ends of the third rod 4614, and one side of the locking swing arm 467 is provided with a latch; the upper ends of the two locking swing arms 467 are connected by a toggle lever 465, and the middle portions of the two locking swing arms 467 are connected by a connecting rod 469. One end of the tension spring 466 is connected to the second rod 4613, and the other end is connected to the connecting rod 469.

In this embodiment, one end of the pull ring 464 is connected to the fourth rod 4615, and the pull ring 464 is provided with a hook for clamping the connecting rod 469; one side of the two brake pedal mounting side plates 462 is provided with meshing teeth meshed with the latch on the locking swing arm 467; when the hook of the pull ring 464 clamps the connecting rod 469, the engaging teeth on the brake pedal mounting side plate 462 are not engaged with the engaging teeth on the locking swing arm 467, the pull ring 464 is pulled to separate the hook from the connecting rod 469, and the engaging teeth on the brake pedal mounting side plate 462 are engaged with the engaging teeth on the locking swing arm 467.

In this embodiment, a master cylinder piston 4610 is connected to the second rod 4613. The front end of the pedal arm 461 is connected to the brake pedal attachment base 463 by a second tension spring 4616.

In this embodiment, when the manual parking locking assembly is not locked, the hook on the pull ring 464 locks the connecting rod 469, the engaging teeth on the brake pedal mounting side plate 462 are not engaged with the engaging teeth on the locking swing arm 467, when braking is performed, the pedal portion 4611 is stepped down to perform service braking, then the pull ring 464 is pulled backwards, the hook is disengaged from the connecting rod 469, the engaging teeth on the brake pedal mounting side plate 462 are engaged with the engaging teeth on the locking swing arm 467, at this time, the stepped pedal arm 461 is locked, when the service is performed again and the locking is released, the pulling rod 465 is pulled backwards to enable the hook on the pull ring 464 to lock the connecting rod 469, the engaging teeth on the brake pedal mounting side plate 462 are not engaged with the engaging teeth on the locking swing arm 467, and thus the locking of the pedal arm 461 is released.

In this embodiment, two ends of the upper surfaces of the front axle frame 41 and the rear axle frame 51 are respectively provided with a mud guard cover 47, one mud guard cover 47 corresponds to one wheel, the mud guard cover 47 is positioned above the wheel, the pair of front axle carrying traveling wheels 45 is arranged on the mud guard cover 47 at one end of the upper surface of the front axle frame 41, and correspondingly, the pair of rear axle carrying traveling wheels 54 is arranged on the mud guard cover 47 at one end of the upper surface of the rear axle frame 51.

In this embodiment, two reversing warning lights 48 and two stone sweeping assemblies 411 are mounted on the side portions of the front axle frame 41 and the rear axle frame 51, when reversing, the reversing warning lights 48 flash, the stone sweeping assemblies 411 are provided with rollers, and a small gap is kept between the rollers and the rail when driving for sweeping broken stones on the rail. In addition, four manual snap clips 49 for fixedly connecting the front axle module a4 and the rear axle module a5 with the vehicle body main frame a1-1 are respectively mounted on the sides of the front axle frame 41 and the rear axle frame 51. In addition, both the front axle frame 41 and the rear axle frame 51 are provided with fixing holes 410, when the front axle module a4 and the rear axle module a5 are installed under the vehicle body module a1, first, the two windshield assemblies a1-2 in the vehicle body module a1 are unfolded, at this time, the vehicle body main body frame a1-1 is smoothly placed on the ground under the action of the legs in the windshield assemblies a1-2, then one end of the vehicle body main body frame a1-1 is carried out, the front axle module a4 is moved under the vehicle body main body frame a1-1, the legs in the windshield assembly a1-2 at one end are inserted into the fixing holes 410 for primary fixing, then the other end of the vehicle body main body frame a1-1 is carried out, the rear axle module a5 is moved under the vehicle body main body frame a1-1, the legs in the windshield assembly a1-2 at the other end are inserted into the fixing holes 410 for secondary fixing, at this time, the vehicle body frame a1-1 is smoothly placed on the front axle module a4 and the rear axle module a5, and finally the front axle module a4 and the rear axle module a5 are fastened and assembled with the vehicle body frame a1-1 by using the four-size manual quick clamp 49.

In this embodiment, the driving wheel 42 and the driven wheel 52 have the same structure, and both include a tire tread C1 and a hub, the tire tread C1 is sleeved on the hub, the hub is formed by connecting a left half hub C2 and a right half hub C3, and the left half hub C2 and the right half hub C3 are both made of 304 stainless steel plates through a spinning process and are in a disc shape. The width L of the whole wheel structure is 133mm, and the height H is 354 mm.

In this embodiment, the left half-hub C2 includes a left spoke C21, a left rim C22, and a left baffle C23; one side of the left wheel rim C22 is connected with a left wheel disk C21, and the other side is connected with a left retainer ring C23.

In this embodiment, the right half hub C3 includes a right wheel disc C31, a right rim C32, and a right rim C33; one side of the right wheel rim C32 is connected with a right wheel disk C31, and the other side is connected with a right retaining ring C33. A reinforcing rib C6 is arranged on one side of the right wheel spoke C31, and the reinforcing rib C6 is made of 304 stainless steel materials and plays a role in reinforcing the strength of the whole wheel.

In this embodiment, the left wheel spoke C21 and the right wheel spoke C31 are identical in size, wheel axle assembly holes C4 for installing wheel axles are formed in the centers of the left wheel spoke C21 and the right wheel spoke C31, and a plurality of bolt installation holes C5 circumferentially distributed around the wheel axle assembly hole C4 are further formed in the left wheel spoke C21 and the right wheel spoke C31.

In this embodiment, when the left half hub C2 and the right half hub C3 are connected together, the left wheel web C21 and the right wheel web C31 are attached together; the left rim C22 and the right rim C32 together comprise the rim portion of the hub for supporting the mounted tire tread C1. The tire tread C1 is sleeved on the left rim C22 and the right rim C32 and is positioned between the left retainer ring C23 and the right retainer ring C33; the left stopper C23 is for stopping the left end face of the tire tread C1, and the right stopper C33 is for stopping the right end face of the tire tread C1.

In this embodiment, the tire tread C1 is a polyurethane tire tread, the side of the tire tread C1 has a ring of flanges C11 protruding upward, the flanges C11 play a role of preventing the wheel from being separated from the rail, and the specific structural dimension of the flanges C11 is referred to the national standard.

In this embodiment, the left half hub C2 and the right half hub C3 are both made of 304 stainless steel plates through a spinning process and are integrally formed, the processing is convenient, the cost is low, the left half hub C2 and the right half hub C3 are connected together and then wrapped with a layer of polyurethane tire tread, the polyurethane tire tread has strong wear resistance and certain elasticity, the abrasion to a track can be reduced, and the anti-vibration capability of a trolley is improved.

In this embodiment, the control box a9 is mounted on the front axle module a4, underneath the front axle frame 41, and the battery module a7 is placed in the seat module in the receiving space of the seat bottom frame 31. The control box a9 is all in communication connection with the battery module a7, the drive motor 44, the front axle brake mechanism 46, the rear axle brake mechanism 55, the main driving operation panel 27 and the sub driving operation panel 211. Two lithium batteries are arranged in the battery module A7, one lithium battery is used for supplying power to the trolley, and the other lithium battery is used for supplying power to the carried detection equipment, so that current interference between the trolley and the detection equipment is avoided.

In this embodiment, the assembly of the modular cart is performed by a fast-assembling method of two persons:

the first step is as follows: unfolding the windshield assembly A1-2, and placing the vehicle body main body frame A1-1 at the center of the track; the front axle module A4 and the rear axle module A5 are arranged on the front and rear tracks of the vehicle body main frame A1-1; seat module A3 and ceiling module a2 are placed beside the track for standby;

the second step is that: the installation front, rear axle module specifically is: one person lifts one end of the body frame a1-1, the other person moves the front axle module a4 under the front end of the body frame a1-1, inserts the legs of the windshield assembly a1-2 at one end into the fixing holes 410 for preliminary positioning, and then fastens and assembles the front axle module a4 and the body module a1 together using a four-hand quick clamp 49. Completing the cables connecting the front axle module a4 and the body module a 1; then one person lifts the other end of the vehicle body main frame A1-1, the other person moves the rear axle module A5 to the position below the vehicle body main frame A1-1, the supporting legs in the windshield assembly A1-2 at the other end are inserted into the fixing holes 410 for positioning, and then the rear axle module A5 and the vehicle body main frame A1-1 are tightly assembled together by using a four-number manual quick clamp 49; the cables between the rear axle module a5 and the body module a1 are connected after completion.

The third step: the installation seat module A3 specifically is: firstly, a positioning block 39 at the bottom of a seat bottom frame 31 is clamped on a convex structure arranged at the middle part of a vehicle body main frame A1-1, and then a seat module A3 and the vehicle body main frame A1-1 are fixedly connected by a third manual quick clamp 14; the cables before connecting seat module a3 and the other modules.

The fourth step: the ceiling module A2 is installed according to actual needs, the four support rods 62 in the ceiling module A2 are respectively inserted into the top ends of the support legs in the four support leg assemblies 21, and the four support rods are locked by the second manual quick clamps 63.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the patent idea of the utility model are included in the protection scope of the patent of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (10)

1. The utility model provides a modularization dolly for carrying on track check out test set which characterized in that: the modular cart comprises a body module (A1), a seat module (A3), a front axle module (A4), and a rear axle module (A5); the seat module (A3) is detachably mounted on a vehicle body module (A1); the front axle module (A4) and the rear axle module (A5) can be detachably mounted below the vehicle body module (A1), wherein the front axle module (A4) is an active power module and comprises a driving motor (44), and the modular trolley runs on the detection track through the front axle module (A4) and the rear axle module (A5); the modularized trolley is characterized in that a main driving operation panel (27) and an auxiliary driving operation panel (211) which are used for enabling the modularized trolley to be driven in two directions without turning around are arranged in the trolley body module (A1), and the main driving operation panel (27) and the auxiliary driving operation panel (211) are in communication connection with the driving motor (44) but cannot control the driving motor (44) at the same time.

2. The modular cart for carrying a track inspection device of claim 1, wherein: the vehicle body module (A1) comprises a vehicle body main frame (A1-1) and windshield assemblies (A1-2) respectively mounted at two ends of the vehicle body main frame (A1-1), wherein the windshield assemblies (A1-2) are connected with the vehicle body main frame (A1-1) in a foldable mode; when the automobile is in an opened state, the windshield assembly (A1-2) is placed vertically, when the automobile is in a folded state, the windshield assembly (A1-2) is horizontally placed and attached to the automobile body main body frame (A1-1), the main driving operation panel (27) is installed on the windshield assembly (A1-2) at one end, and the auxiliary driving operation panel (211) is installed on the windshield assembly (A1-2) at the other end; and the two sides of one end of the vehicle body main frame (A1-1) are provided with foldable vehicle body travelling wheels (11).

3. The modular cart for carrying a track inspection device of claim 2, wherein: the vehicle body main frame (A1-1) is made of aluminum alloy; mounting seats (15) for mounting detection equipment are arranged on two sides of the vehicle body main body frame (A1-1);

and/or;

the windshield assembly (A1-2) comprises two side leg assemblies (21) and a windshield plate (22), wherein the leg assemblies (21) are connected with a vehicle body main frame (A1-1) in a foldable mode; the two side leg assemblies (21) are assembled together through a plurality of transverse connecting pipes (23); the transverse connecting pipes (23) are also provided with a plurality of longitudinal connecting pipes (24), two wind shields (22) are arranged and are arranged on a frame consisting of the transverse connecting pipes (23) and the longitudinal connecting pipes (24), and the wind shields (22) are provided with headlights (29), alarm lamps (213) and loudspeakers (212);

the supporting leg assembly (21) comprises two supporting legs and is in an h shape, one supporting leg is hinged with the main body frame (A1-1) of the vehicle body, and the other supporting leg is connected with the main body frame (A1-1) of the vehicle body through a first manual quick clamp (25); when the windshield assembly (A1-2) is in an open state, the first manual quick clamp (25) locks the windshield assembly (A1-2) and the vehicle body frame (A1-1) together, and the windshield assembly (A1-2) cannot rotate; loosening the first manual quick clamp (25), rotating the windshield assembly (A1-2) to a flat state and attaching the windshield assembly to the vehicle body main body frame (A1-1);

the side of the vehicle body main frame (A1-1) is provided with a stop block (26) for limiting the supporting leg hinged with the vehicle body main frame (A1-1), and when the windshield assembly (A1-2) rotates from flat to vertical, the stop block (26) is abutted against the supporting leg to prevent the supporting leg from continuing rotating.

4. The modular cart for carrying a track inspection device of claim 3, wherein: the main driving operation panel (27) or the auxiliary driving operation panel (211) is arranged at the top of a frame consisting of a plurality of transverse connecting pipes (23) and longitudinal connecting pipes (24), a workbench (28) is arranged at the top, and the workbench (28) is positioned beside the main driving operation panel (27) or the auxiliary driving operation panel (211); the main driving operation panel (27) and the auxiliary driving operation panel (211) are installed according to the rule of a left driving position, and the main driving operation panel (27) and the auxiliary driving operation panel (211) in the two groups of windshield assemblies (A1-2) are arranged in a diagonal manner.

5. The modular cart for carrying a track inspection device of claim 3, wherein: the modular trolley further comprises a ceiling module (a 2); the ceiling module (A2) comprises a ceiling (61) and supporting rods (62) which are located at four corners of the ceiling (61) and used for supporting the ceiling (61), wherein the four supporting rods (62) are respectively inserted at the top ends of the supporting legs in the four supporting leg assemblies (21) and are locked by a second manual quick clamp (63).

6. The modular cart for carrying a track inspection device of claim 2, wherein: the seat module (A3) comprises a seat bottom frame (31), seats (32) and travelling wheels (33) for seat carrying, wherein the seats (32) are at least two and are arranged on the seat bottom frame (31) in a back-to-back mode, and the travelling wheels (33) for seat carrying are arranged at the bottom of the seat bottom frame (31) and are used for pushing the seat module (A3) to walk.

7. The modular cart for carrying a track inspection device of claim 1, wherein:

the front axle module (A4) comprises a front axle frame (41), a driving wheel (42), a front axle (43) and a road wheel (45) for carrying the front axle; the front axle (43) and the driving motor (44) are both arranged below the front axle frame (41); driving wheels (42) are arranged at two ends of the front axle (43); the driving motor (44) drives a front axle (43) to drive a driving wheel (42) to rotate, and at least one end of the upper surface of the front axle frame (41) is provided with a pair of front axle carrying travelling wheels (45);

the rear axle module (A5) comprises a rear axle frame (51), driven wheels (52), a rear axle (53) and a travelling wheel (54) for carrying the rear axle; the rear axle (53) is arranged below the rear axle frame (51); driven wheels (52) are arranged at two ends of the rear axle (53); at least one end of the upper surface of the rear axle frame (51) is provided with a pair of rear axle carrying walking wheels (54);

the front axle module (A4) and the rear axle module (A5) each comprise a brake mechanism (46), wherein the brake mechanism (46) in the front axle module (A4) is mounted above the front axle frame (41) for braking the front axle (43), and the brake mechanism (46) in the rear axle module (A5) is mounted above the rear axle frame (51) for braking the rear axle (53);

the two sets of brake mechanisms (46) are in communication connection with the driving motor (44), and the power supply of the driving motor (44) can be cut off when any one set of brake mechanism (46) works.

8. The modular cart for carrying a track inspection device of claim 7, wherein: the brake mechanism (46) comprises a pedal arm (461), a brake pedal mounting side plate (462), a brake pedal mounting bottom plate (463), a manual parking locking assembly and a travel switch (468) which is used for sending a stop signal to a driving motor (44) of the track detection vehicle after a pedal part (4611) is stepped; the two brake pedal mounting side plates (462) are arranged and are oppositely mounted on the brake pedal mounting bottom plate (463); the rear end of the pedal arm (461) is a pedal part (4611), the front end of the pedal arm is hinged between the two brake pedal mounting side plates (462), and service braking is carried out by stepping down the pedal part (4611); the manual parking locking assembly is used for locking a treaded pedal arm (461); the travel switch (468) is mounted on the brake pedal mounting base plate (463), when the brake is not performed, the front end of the pedal arm (461) is in contact with the travel switch (468), and when the brake is performed, the front end of the pedal arm (461) is separated from the travel switch (468);

the manual parking locking assembly comprises a pull ring (464), a pulling rod (465), a tension spring (466) and a locking swing arm (467); a first rod piece (4612), a second rod piece (4613), a third rod piece (4614) and a fourth rod piece (4615) which are parallel to each other and sequentially arranged are arranged on the pedal arm (461); two ends of the first rod piece (4612) are respectively arranged on the two brake pedal mounting side plates (462), and when the pedal part (4611) is stepped down, the pedal arm (461) rotates around the first rod piece (4612); an arc-shaped slotted hole (4621) is formed in each brake pedal mounting side plate (462), and two ends of each second rod piece (4613) are positioned in the arc-shaped slotted holes (4621) in the two brake pedal mounting side plates (462); the two locking swing arms (467) are respectively arranged at two ends of the third rod piece (4614), and one side of each locking swing arm (467) is provided with a latch; the upper ends of the two locking swing arms (467) are connected through a pulling rod (465), and the middle parts of the two locking swing arms (467) are connected through a connecting rod (469); one end of the tension spring (466) is connected to the second rod piece (4613), and the other end of the tension spring is connected to the connecting rod (469); one end of the pull ring (464) is connected to a fourth rod piece (4615), and a clamping hook for clamping the connecting rod (469) is arranged on the pull ring (464); one side of each of the two brake pedal mounting side plates (462) is provided with a meshing tooth meshed with a latch on the locking swing arm (467); when the hook of the pull ring (464) clamps the connecting rod (469), the meshing teeth on the brake pedal installation side plate (462) are not meshed with the teeth on the locking swing arm (467), the pull ring (464) is pulled to separate the hook from the connecting rod (469), and the meshing teeth on the brake pedal installation side plate (462) are meshed with the teeth on the locking swing arm (467).

9. The modular cart for carrying a track inspection device of claim 7, wherein: the driving wheel (42) and the driven wheel (52) are identical in structure and respectively comprise a tire tread (C1) and a hub, the tire tread (C1) is sleeved on the hub, the hub is formed by connecting a left half hub (C2) and a right half hub (C3), and the left half hub (C2) and the right half hub (C3) are both made of stainless steel plates through a spinning process;

the left half hub (C2) is made of a stainless steel plate by a spinning process in an integrated molding manner, is disc-shaped, and comprises a left spoke plate (C21), a left rim (C22) and a left retainer ring (C23); one side of the left wheel rim (C22) is connected with a left wheel disc (C21), and the other side of the left wheel rim is connected with a left retainer ring (C23);

the right half hub (C3) is made of a stainless steel plate by a spinning process and is integrally formed into a disc shape, and comprises a right wheel spoke plate (C31), a right wheel rim (C32) and a right retaining ring (C33); one side of the right rim (C32) is connected with a right wheel disc (C31), and the other side of the right rim is connected with a right retainer ring (C33);

the left wheel spoke plate (C21) and the right wheel spoke plate (C31) are identical in size, and wheel axle assembly holes (C4) for mounting wheel axles are formed in the centers of the left wheel spoke plate and the right wheel spoke plate;

when the left half hub (C2) and the right half hub (C3) are connected together, the left wheel spoke plate (C21) and the right wheel spoke plate (C31) are attached together; the left rim (C22) and the right rim (C32) jointly constitute a rim portion of the hub for supporting a mounted tire tread (C1); the tire tread (C1) is sleeved on the left rim (C22) and the right rim (C32) and is positioned between the left retaining ring (C23) and the right retaining ring (C33); the left retainer ring (C23) is used for limiting the left end face of the tire tread (C1), and the right retainer ring (C33) is used for limiting the right end face of the tire tread (C1).

10. The modular cart for carrying a track inspection device of claim 1, wherein: the modular cart further comprises a control box (A9) and a battery module (A7); the battery module (A7) is used for providing power for the modular trolley and the carried track detection equipment; the control boxes (A9) are all in communication connection with the battery module (A7), the driving motor (44), the main driving operation panel (27) and the auxiliary driving operation panel (211); the main driving operation panel (27) and the auxiliary driving operation panel (211) respectively comprise a gear adjusting knob (271), a headlight switch button (272), a reversing button (273) and a horn button (274), a main driving switching button (275) and an auxiliary driving switching button (275) are further arranged on the main driving operation panel (27), and one of the main driving operation panel (27) and the auxiliary driving operation panel (211) is in a working state through the main driving switching button (275) and the auxiliary driving switching button (275).

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