CN214451150U - Multifunctional combined carrier of flaw detection vehicle - Google Patents

Abstract

The utility model discloses a multifunctional combined carrier of a flaw detection vehicle, which comprises a vehicle frame, a carrier and two moving frames, wherein the carrier comprises a vehicle plate, two grabbing arms, two rotating legs and a plurality of first universal trundles, the lower ends of the two grabbing arms are respectively rotatably arranged on two corners of the same side of the vehicle plate along the length direction of the vehicle plate, and the grabbing arms can be vertical to the upper surface of the vehicle plate; the two rotating legs are respectively rotatably arranged at the lower ends of the corresponding grabbing arms; each first universal caster is arranged at the bottom of the vehicle plate; the upper ends of the two grabbing arms are detachably connected with the two sides of the front end of the frame respectively; the movable frame comprises a supporting plate, two rollers and four third universal casters. The multifunctional combined carrier of the flaw detection vehicle can enable the flaw detection vehicle to horizontally push the vehicle body or inversely push the vehicle body, and the carrying state of the vehicle body can be switched randomly according to needs, so that the labor is saved, the safety is realized, the carrying efficiency is improved, and the labor intensity is reduced; the carrying vehicle body can reduce the labor cost from four people to two people required at the same time.

Description

Multifunctional combined carrier of flaw detection vehicle

Technical Field

The utility model relates to a track inspection equipment technical field, in particular to many function combination carrier of car of visiting a flaw.

Background

The rail is subjected to friction, extrusion, bending and impact during acceleration and braking of the train and when passing through rail joints, bends and turnouts, and is extremely easy to damage under the repeated actions. At present, the railway transportation is busy in China, the line condition is poor, the damage rate of the steel rail is high, and the condition that the steel rail is broken due to damage happens occasionally, so that the driving safety is directly endangered. Therefore, in order to ensure the safe operation of the locomotive, the railway system needs to detect the flaw of the steel rail frequently to detect the fatigue defect and the welding defect in the range of the head and the web of the steel rail (including the vicinity of the joint), and the damage conditions of the bottom rust, the crescent falling block, the head crushing and the like, so as to take remedial measures in time and prevent the damage in the bud.

At present, a double-rail type rail ultrasonic electric flaw detection vehicle independently developed in China has excellent defect detection capacity and precision, high vehicle running stability and convenient and quick disassembly and assembly, is suitable for various rail types of 43kg/m-75kg/m, and can carry out omnibearing detection on internal defects of rails on in-service rail lines of high-speed rails, subways, common irons and the like. The existing double-track type rail ultrasonic electric flaw detection vehicle adopts a detachable split type design, and is carried by separating a vehicle frame, a front bridge with two driving rail travelling wheels and a rear bridge with two driven rail travelling wheels. However, the width of the vehicle body of the vehicle frame is too long, the vehicle frame still occupies a large space, the whole weight of the vehicle frame is still heavy, the vehicle frame is quite inconvenient to carry, four persons are required to carry the vehicle body at the same time, and the carrying cost is quite high. At present, the width of an elevator door of a high-speed rail station and a subway station in China is only 1200mm generally, the width of a car body of the flaw detection car frame is far larger than that of the elevator door of the high-speed rail station and the subway station, and the flaw detection car cannot enter the elevator door of the high-speed rail station and the subway station, so that the flaw detection car cannot smoothly reach a steel rail line to be detected, and the car frame is inconvenient to carry due to too large volume.

Disclosure of Invention

The utility model aims to solve the problem that a many function combination carrier of car is hindered to the probe is provided, and many function combination carrier of this kind of car is hindered to the probe can make the car keep flat and pass the automobile body or stand upside down the flat push automobile body, laborsaving and safety improve handling efficiency, the artifical transport of being convenient for.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

the utility model provides a many function combination carrier of car of visiting wounded, includes the frame, its characterized in that: the device also comprises a transport vehicle; the carrier comprises a vehicle board, two grabbing arms, two rotating legs and a plurality of first universal trundles, the lower ends of the two grabbing arms can be rotatably arranged on two corners of the same side of the vehicle board along the length direction of the vehicle board, and the grabbing arms can be perpendicular to the upper surface of the vehicle board; the two rotating legs are respectively rotatably arranged at the lower ends of the corresponding grabbing arms; each first universal caster is arranged at the bottom of the vehicle plate; the upper ends of the two grabbing arms are detachably connected with the two sides of the front end of the frame respectively.

When the carriage is transported, generally, the carriage can be transported by flat pushing or by inverted flat pushing.

The steps of the flat-laying, pushing and carrying of the frame are as follows:

a. the frame is horizontally placed on the ground, the two grabbing arms of the carrier are rotated by 90 degrees to be perpendicular to the upper surface of the vehicle plate, and then the two grabbing arms are inserted from the two sides of the front end of the frame and can support the two sides of the front end of the frame;

b. a pallet of the carrier is tightly attached to the front end of the frame, and the upper ends of the grabbing arms are connected with two sides of the front end of the frame in a locking manner;

c. manually lifting the front end of the frame to enable the rotating legs to rotate, enabling the rotating legs to lift the legs by 90 degrees, enabling the rotating legs to land and lifting the front end of the frame;

d. the staff can easily make the frame carry out the translation with the rear end of hand push frame.

The steps of carrying out inverted horizontal pushing and carrying on the frame are as follows:

a. the frame is horizontally placed on the ground, the two grabbing arms of the carrier are rotated by 90 degrees to be perpendicular to the upper surface of the vehicle plate, and then the two grabbing arms are inserted from the two sides of the front end of the frame and can support the two sides of the front end of the frame;

b. a pallet of the carrier is tightly attached to the front end of the frame, and the upper ends of the grabbing arms are connected with two sides of the front end of the frame in a locking manner;

c. two persons are required to forcibly lift the frame at the rear end of the frame, the rear end of the frame is turned upwards by taking the rotating legs of the carrier as fulcrums, the frame is inverted and horizontally placed on the ground (the front end of the frame faces downwards, and the rear end of the frame faces upwards), each first universal caster at the bottom of the carrier lands at the moment, and the whole frame is supported by a plate of the carrier;

d. the staff can easily make the frame carry out the translation with the rear end of hand push frame.

Above-mentioned two grab arms are rotatable respectively and are installed on the sweep with two corners of one side, and two commentaries on classics legs are rotatable respectively and are installed the lower extreme at corresponding grab arm, can fold two grab arms and two commentaries on classics legs on the sweep, and light is folded the carrier, reduces the occupation space of carrier, makes things convenient for the packing transportation.

The multifunctional combined carrier of the flaw detection vehicle can enable the flaw detection vehicle to horizontally push the vehicle body or inversely push the vehicle body, and the carrying state of the vehicle body can be switched randomly according to needs, so that the labor is saved, the safety is realized, the carrying efficiency is improved, and the labor intensity is reduced; the carrying vehicle body can reduce the labor cost from four people to two people required at the same time. The multifunctional combined carrier is suitable for various complex terrains such as water paths, mountain paths, mud paths, slope paths and the like, and is particularly suitable for narrow spaces of elevators.

As the utility model discloses a preferred scheme, the sweep includes first bottom plate, second bottom plate and the third bottom plate of mutual butt joint, can follow the length direction telescopic movement relatively and the auto-lock of sweep between first bottom plate and the second bottom plate, can follow the length direction telescopic movement relatively and the auto-lock of sweep between second bottom plate and the third bottom plate. The telescopic change of the vehicle plate is realized through relative telescopic movement and self-locking between the first bottom plate and the second bottom plate and between the second bottom plate and the third bottom plate, and the bearing area of the vehicle plate can be adjusted.

As a further preferred scheme of the utility model, paste on the upper surface of sweep and have crashproof silica gel board. Place on the sweep when the front end of frame, the front end of frame and sweep upper surface contact paste the front end that anticollision silica gel board can protect the frame on the sweep upper surface, play the anticollision and avoid frictional effect.

As the utility model discloses further preferred scheme, all be equipped with the support on two corners of sweep with one side, be equipped with rotatory chamber on the support, the opening of rotatory chamber is equipped with the fixed axle in the rotatory chamber towards the sweep opposite side, the lower extreme of grab arm is installed on the fixed axle to the inside wall in rotatory chamber blocks the grab arm rotation when the upper surface of grab arm and sweep is perpendicular. The two grabbing arms are respectively arranged on the two supports on the same side of the frame, and the two grabbing arms rotate around the fixed shaft on the supports by 0-90 degrees.

As the preferred scheme of the utility model, the rotating leg comprises a rotating block, a sleeve, a movable cam, a torsional spring, a folding hinge, a wheel carrier and at least one directional caster, the sleeve is sleeved at the lower end of the grab arm, the outer side wall of the sleeve is connected with the fixed end of the rotating block, the movable end of the rotating block is connected with the wheel carrier through the folding hinge, and the directional caster is arranged on the wheel carrier; the movable cam is sleeved at the lower end of the grabbing arm and is positioned in the sleeve, and the torsion spring is sleeved at the lower end of the grabbing arm and is positioned in the sleeve; the upper end of the torsion spring is connected with the movable cam, and the lower end of the torsion spring is fixedly connected with the outer side wall of the grabbing arm; the middle part of the grabbing arm is sleeved with a fixed cam, and the curve profile at the lower end of the fixed cam is in contact fit with the curve profile at the upper end of the movable cam. When the folding hinge is in a flattening state (namely the wheel frame and the rotating block are in the same straight line), the leg can be erected by rotating the leg for 180 degrees. When the folding hinge is in a folding state (namely the wheel frame is bent upwards around the unlocking rotating shaft, and the wheel frame is vertical to the rotating block), the leg can be lifted by rotating the legs by 90 degrees. To make the rotary leg rotate, only the rotary block needs to be twisted, the curve contour at the upper end of the movable cam is in contact fit with the curve contour at the lower end of the fixed cam under the action of the torsion spring, and the movable cam in the sleeve rotates around the lower end of the grabbing arm, so that the rotary leg can rotate.

As a further preferred aspect of the present invention, the folding hinge includes a fixing piece, a turning piece, a U-shaped unlocking clip, an unlocking rotation shaft, two extension springs and two positioning screws, the fixing piece is mounted on the rotation block, and the turning piece is mounted on the wheel carrier; the fixed piece is provided with two first connecting pieces which are oppositely arranged, the inner side of each first connecting piece is provided with a first through hole, the turnover piece is provided with two second connecting pieces which are oppositely arranged, the center of each second connecting piece is provided with a second through hole, the two second connecting pieces are positioned on the outer sides of the two first connecting pieces, and the two second through holes and the two first through holes are positioned on the same straight line; two sides of the fixing sheet and two sides of the turnover sheet sequentially penetrate through the second through hole and the first through hole through the positioning screws to be hinged; a limiting block is arranged on the inner side of the first connecting piece, the limiting block is positioned below the first through hole, a horizontally extending strip-shaped hole is formed in the middle of the first connecting piece, two third through holes are oppositely formed in the U-shaped unlocking clamp, and the unlocking rotating shaft sequentially penetrates through one third through hole, the strip-shaped hole in one first connecting piece, the strip-shaped hole in the other first connecting piece and the other third through hole; a rotating gap is formed between the inner side surface of the U-shaped unlocking clamp and the outer side surface of the first connecting sheet; the edge of the inner side of the second connecting sheet is an arc edge, the arc edge is positioned in the rotating gap, and the arc edge is in contact fit with the surface of the unlocking rotating shaft; a vertical limiting hole and a horizontal limiting hole are arranged along the circumferential direction on the arc-shaped edge, and the vertical limiting hole is positioned above the horizontal limiting hole; the two extension springs are positioned between the two first connecting pieces, one end of each extension spring is connected with the unlocking rotating shaft, and the other end of each extension spring is connected with the limiting block; the U-shaped unlocking clamp is provided with a hand-held piece. When the folding hinge is in a flattening state (namely the wheel carrier and the rotating block are in the same straight line), the fixed sheet and the turnover sheet are positioned on the same horizontal plane, the unlocking rotating shaft is positioned on one side, close to the outer side, of the strip-shaped hole, the unlocking rotating shaft is positioned in the horizontal limiting hole, the horizontal limiting hole plays a self-locking role in the unlocking rotating shaft, and the phenomenon that the turnover sheet turns over due to the fact that the unlocking rotating shaft moves in the strip-shaped hole is avoided. When folding hinge is in fold condition (namely the wheel carrier is up buckled round the unblock pivot, the wheel carrier is perpendicular with the turning block), can pull the unblock pivot and remove in the bar hole through manual U-shaped unblock clamp of breaking off with the fingers and thumb, make the unblock pivot remove the one side that the bar hole leaned on the inside, two extension springs extend between unblock pivot and stopper, the arc border of second connection piece makes a turn-over piece take place to rotate with the surface contact cooperation of unblock pivot in the running clearance simultaneously, and then make the unblock pivot be in vertical spacing hole, two extension springs shorten between unblock pivot and stopper, vertical spacing hole plays the effect of auto-lock to the unblock pivot, avoid the unblock pivot to take place to remove and lead to turn-over the piece and become the exhibition flat state in the bar hole. The hand-holding piece on the U-shaped unlocking clamp can increase the hand-holding part of an operator, reduce the counterforce of the U-shaped unlocking clamp on the hand when exerting force, and avoid hand pain caused by the fact that a user rotates the U-shaped unlocking clamp. The folding hinge does not need any auxiliary tool, a user can enable the folding hinge to be self-locked and unlocked by hands, the operation is convenient, and the working difficulty is reduced.

As a further preferred aspect of the present invention, the wheel carrier is a tripod wheel carrier, the number of directional casters is three, the tripod wheel carrier is rotatable with the turnover sheet is connected, and three directional casters are respectively rotatably mounted on the corresponding wheel shafts of the tripod wheel carrier. If the carrier body meets the stairs and needs to climb, the wheel frame of the carrier can be designed into a three-foot wheel frame, and the number of the directional trundles of the carrier can be designed into three. When climbing stairs, alone pulls at the frame rear end, and another people pushes away at the frame front end, and the tripod frame can carry out the turnover motion, and the span all is greater than single rank stair height between arbitrary two-wheeled in the three directional truckle, can ensure to realize climbing the building through the free reversal of three directional truckle.

As the utility model discloses an optimal selection scheme, two the upper end of grabbing the arm all is equipped with grabs the knot, the front end both sides of frame are equipped with respectively and grab and detain corresponding complex couple, grab to detain to be connected with corresponding couple lock.

As a further preferred scheme of the utility model, the grab comprises a flattening support, a clamping handle, a bolt rotating shaft, a right-angled U-shaped bolt, a self-locking handle, a torsion spring, a first bolt and a second bolt, the flattening support is fixedly installed on the outer side of the upper end of the grab arm, the front end of the clamping handle is hinged with the flattening support through the first bolt, the bolt rotating shaft is arranged in the middle of the clamping handle in a penetrating manner, and two ends of the right-angled U-shaped bolt are fixedly installed on the bolt rotating shaft; the front end of the self-locking handle is hinged with the middle part of the clamping handle through a second bolt, the self-locking handle is positioned above the clamping handle, the second bolt is parallel to the bolt rotating shaft, and the second bolt is positioned behind the bolt rotating shaft; the torsion spring is sleeved outside the rod part of the second bolt, and two torsion arms of the torsion spring are respectively in contact fit with the upper edge of the rear end of the self-locking handle and the upper edge of the bolt rotating shaft; the lower edge of the front end of the self-locking handle is in snap fit with the edge of the flattening support; the right-angle U-shaped bolt is buckled with the hook. The clamp comprises a frame, a clamp handle, a clamp arm, a clamp shaft, a right-angle U-shaped bolt, a clamp handle, a hook, a first bolt, a second bolt, a hinge joint B, a hinge joint C and a self-locking handle. When will locking frame front end and carrier, flat support is in on the same horizontal plane with the couple, and right angle U-shaped bolt is connected with the couple lock, border and the border buckle cooperation of flat support under the front end of auto-lock handle, pin joint ABC is located same straight line this moment, presss from both sides tight handle and is in the dead point position, no matter how the user breaks off with the fingers and thumb the tight handle this time, can't make right angle U-shaped bolt break away from the couple to carry out the auto-lock with the catch, prevent that right angle U-shaped bolt from taking place to rotate and break away from with the couple. When the front end of the frame is disconnected from the carrier, the grab buckle needs to be unlocked firstly, the self-locking handle can be manually pulled downwards, so that the lower edge of the front end of the self-locking handle is separated from the edge of the flattening support, the clamping handle is slightly pulled downwards, the clamping handle can easily withdraw from the dead point position, and the right-angle U-shaped bolt is separated from the hook.

As a further preferable scheme of the utility model, the lower edge of the front end of the self-locking handle is provided with a hook, and the edge of the flattening support is provided with a limit sheet which is in snap fit with the hook; a third bolt is arranged in the middle of the clamping handle and is positioned below the second bolt; and the rod part of the third bolt is in contact fit with the front end of the self-locking handle. The lower edge of the front end of the self-locking handle is matched with the limiting piece through the hook to realize the buckle matching with the edge of the flattening support, and the third bolt below the second bolt plays a role in limiting the rotation of the self-locking handle.

As the preferred scheme of the utility model, the grapple upper end is equipped with the second universal castor. The second universal caster is used for keeping the height of the upper end of the grabbing arm, so that the grabbing arm can be conveniently inserted into the front end of the frame.

As the preferred scheme of the utility model, the utility model also comprises two moving frames, the moving frames comprise a support plate, two rollers and four third universal casters, the top of the support plate is provided with a strip-shaped limit groove with an upward opening, and the two rollers can be rotatably arranged on the support plate and are respectively positioned at two ends of the strip-shaped limit groove; four third universal truckles are installed respectively on four corners of backup pad bottom, two landing legs of the rear end of frame imbed respectively in the corresponding bar spacing groove that removes the frame.

Generally, the flaw detection vehicle generally includes a frame, a front axle detachably mounted at the front end of the frame, two driving rail wheels respectively disposed at the two ends of the front axle, a rear axle detachably mounted at the rear end of the frame, and two driven rail wheels respectively disposed at the two ends of the rear axle. When the flaw detection vehicle is transported, the vehicle frame and the front bridge are connected with two driving rail running wheels and the rear bridge is connected with two driven rail running wheels to be separated and transported. The movable frame can be used for supporting the rear end of the vehicle lifting frame when the flaw detection vehicle is flatly pushed and carried, and can also be used for carrying a front axle and a rear axle of the flaw detection vehicle. In general, the third caster has a braking function, and when the vehicle frame, the front axle or the rear axle is parked on a sloping ground, the third caster having the braking function is braked to prevent the vehicle from falling down the slope. The moving frame and the carrier can be used independently or in combination.

As a further preferred scheme of the utility model, the outer periphery of cylinder is gone up the cladding and is had the glue film. The driving rail travelling wheel or the driven rail travelling wheel is arranged between the two rollers with the glue layers, so that the phenomenon that the wheel rim of the driving rail travelling wheel or the driven rail travelling wheel is scratched in the pushing process can be avoided, and the effect of protecting the driving rail travelling wheel or the driven rail travelling wheel is achieved.

Compared with the prior art, the utility model, have following advantage:

the multifunctional combined carrier of the flaw detection vehicle can enable the flaw detection vehicle to horizontally push the vehicle body or inversely push the vehicle body, and the carrying state of the vehicle body can be switched randomly according to needs, so that the labor is saved, the safety is realized, the carrying efficiency is improved, and the labor intensity is reduced; the carrying vehicle body can reduce the labor cost from four people to two people required at the same time. The multifunctional combined carrier is suitable for various complex terrains such as water paths, mountain paths, mud paths, slope paths and the like, and is particularly suitable for narrow spaces of elevators.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a schematic view of the truck of FIG. 1;

FIG. 3 is a schematic illustration of the truck bed of FIG. 2 in an extended position;

FIG. 4 is a schematic illustration of the truck of FIG. 2 in a collapsed configuration;

FIG. 5 is a schematic view of the buckle of the clasp and hook of FIG. 1;

FIG. 6 is a schematic view of the folding hinge of FIG. 2 in a flattened state;

FIG. 7 is a schematic view of the folding hinge of FIG. 2 in a folded configuration;

fig. 8 is a schematic structural view of an inverted horizontal-pushing carrying frame in embodiment 1 of the present invention;

fig. 9 is a schematic structural view of embodiment 3 of the present invention;

FIG. 10 is a schematic view of the movable frame of FIG. 9 applied to a carrier frame;

fig. 11 is a schematic structural view of the movable frame of fig. 9 applied to carry a front axle or a rear axle.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1 to 7, the multifunctional combined transporting vehicle of the flaw detection vehicle in the embodiment includes a vehicle frame 1 and a transporting vehicle 2; the carrier 2 comprises a vehicle board 21, two grabbing arms 22, two rotating legs 23 and a plurality of first universal casters 24, the lower ends of the two grabbing arms 22 are respectively rotatably mounted on two corners of the same side of the vehicle board 21 along the length direction of the vehicle board 21, and the grabbing arms 22 can be vertical to the upper surface of the vehicle board 21; the two rotating legs 23 are respectively and rotatably arranged at the lower ends of the corresponding grabbing arms 22; each first universal caster 24 is mounted at the bottom of the vehicle plate 21; the upper ends of the two grabbing arms 22 are detachably connected with two sides of the front end of the frame 1 respectively.

The carriage 1 may be carried by a flat push, or an inverted flat push, in general.

Above-mentioned two grab arms 22 are rotatable respectively and are installed on sweep 21 with two corners of one side, and two commentaries on classics legs 23 are rotatable respectively and are installed at corresponding grab arm 22's lower extreme, can fold on sweep 21 two grab arms 22 and its two commentaries on classics legs 23, and the light is folded carrier 2, reduces carrier 2's occupation space, makes things convenient for the packing transportation.

The vehicle plate 21 comprises a first bottom plate 211, a second bottom plate 212 and a third bottom plate 213 which are mutually butted, the first bottom plate 211 and the second bottom plate 212 can relatively move in a telescopic mode and are self-locked along the length direction of the vehicle plate 21, and the second bottom plate 212 and the third bottom plate 213 can relatively move in a telescopic mode and are self-locked along the length direction of the vehicle plate 21. The telescopic change of the vehicle plate 21 is realized through the relative telescopic movement and self-locking between the first bottom plate 211 and the second bottom plate 212 and between the second bottom plate 212 and the third bottom plate 213, and the bearing area of the vehicle plate 21 can be adjusted.

An anti-collision silicone plate 214 is adhered to the upper surface of the vehicle panel 21. When the front end of the frame 1 is placed on the vehicle plate 21, the front end of the frame 1 is in surface contact with the upper surface of the vehicle plate 21, and the anti-collision silica gel plate 214 is adhered to the upper surface of the vehicle plate 21 to protect the front end of the frame 1, so that the anti-collision and friction-avoiding effects are achieved.

All be equipped with support 215 on two corners of sweep 21 same side, be equipped with rotatory chamber on the support 215, the opening in rotatory chamber is equipped with fixed axle 216 towards sweep 21 opposite side in the rotatory chamber, the lower extreme of grabbing arm 22 is installed on fixed axle 216 to the inside wall in rotatory chamber blocks grabbing arm 22 and rotates when grabbing arm 22 and the upper surface of sweep 21 is perpendicular. The two gripping arms 22 are respectively arranged on the two supports 215 on the same side of the frame 1, and the two gripping arms 22 can rotate 220-90 degrees around the fixed shaft 216 on the supports 215.

The rotating leg 23 comprises a rotating block 231, a sleeve 232, a moving cam 233, a torsion spring 234, a folding hinge 235, a wheel frame 236 and a directional caster 237, wherein the sleeve 232 is sleeved on the lower end of the gripping arm 22, the outer side wall of the sleeve 232 is connected with the fixed end of the rotating block 231, the movable end of the rotating block 231 is connected with the wheel frame 236 through the folding hinge 235, and the directional caster 237 is installed on the wheel frame 236; the moving cam 233 is sleeved on the lower end of the gripping arm 22 and the moving cam 233 is in the sleeve 232, the torsion spring 234 is sleeved on the lower end of the gripping arm 22 and the torsion spring 234 is in the sleeve 232; the upper end of the torsion spring 234 is connected with the movable cam 233, and the lower end of the torsion spring 234 is fixedly connected with the outer side wall of the grabbing arm 22; the middle part of the grabbing arm 22 is sleeved with a fixed cam 221, and the curve profile at the lower end of the fixed cam 221 is in contact fit with the curve profile at the upper end of the movable cam 233. When the folding hinge 235 is in a flattened state (i.e., the wheel frame 236 and the rotating block 231 are in the same line), the leg 23180 ° can be erected. When the folding hinge 235 is in a folded state (i.e., the wheel frame 236 is bent upward around the unlocking rotation shaft, and the wheel frame 236 is perpendicular to the rotation block 231), the leg can be lifted by 2390 °. To rotate the rotary leg 23, the rotary leg 23 can be rotated by twisting the rotary block 231, and contacting and matching the curved profile at the upper end of the movable cam 233 with the curved profile at the lower end of the fixed cam 221 under the action of the torsion spring 234, so that the movable cam 233 in the sleeve 232 rotates around the lower end of the grab arm 22.

The folding hinge 235 comprises a fixed plate 2351, a folding sheet 2352, a U-shaped unlocking clamp 2353, an unlocking rotating shaft 2354, two tension springs 2355 and two positioning screws 2356, wherein the fixed plate 2351 is installed on the rotating block 231, and the folding sheet 2352 is installed on the wheel frame 236; the fixing sheet 2351 is provided with two first connecting sheets 2357 arranged oppositely, the inner side of each first connecting sheet 2357 is provided with a first through hole 23571, the turning sheet 2352 is provided with two second connecting sheets 2358 arranged oppositely, the center of each second connecting sheet 2358 is provided with a second through hole 23581, the two second connecting sheets 2358 are positioned at the outer sides of the two first connecting sheets 2357, and the two second through holes 23581 and the two first through holes 23571 are positioned on the same straight line; both sides of the fixing sheet 2351 and both sides of the folding sheet 2352 are hinged to each other by passing through the second through hole 23581 and the first through hole 23571 in sequence through the positioning screws 2356; a limiting block 23572 is arranged on the inner side of the first connecting piece 2357, the limiting block 23572 is positioned below the first through hole 23571, a horizontally extending strip-shaped hole 23573 is arranged in the middle of the first connecting piece 2357, two opposite third through holes 23531 are arranged on the U-shaped unlocking clamp 2353, and the unlocking rotating shaft 2354 sequentially penetrates through one third through hole 23531, the strip-shaped hole 23573 on one first connecting piece 2357, the strip-shaped hole 23573 on the other first connecting piece 2357 and the other third through hole 23531; a rotational gap 2359 is provided between the inner side surface of the U-shaped unlocking clip 2353 and the outer side surface of the first connecting tab 2357; the inside edge of the second connection tab 2358 is an arcuate edge 2350, the arcuate edge 2350 is in the rotational gap 2359 and the arcuate edge 2350 is in contact engagement with a surface of the unlocking spindle 2354; a vertical limiting hole 23501 and a horizontal limiting hole 23502 which are arranged along the circumferential direction are arranged on the arc-shaped edge 2350, and the vertical limiting hole 23501 is positioned above the horizontal limiting hole 23502; two extension springs 2355 are between the two first connection pieces 2357, and one end of each extension spring 2355 is connected with the unlocking rotating shaft 2354 and the other end is connected with the limiting block 23572; the U-shaped release clip 2353 is provided with a hand-held tab 23532. When the folding hinge 235 is in a flat state (i.e., the wheel frame 236 and the rotating block 231 are in the same line), the fixing sheet 2351 and the folding sheet 2352 are in the same horizontal plane, the unlocking rotating shaft 2354 is positioned on the outer side of the strip-shaped hole 23573, the unlocking rotating shaft 2354 is positioned in the horizontal limiting hole 23502, the horizontal limiting hole 23502 plays a self-locking role in the unlocking rotating shaft 2354, and the situation that the unlocking rotating shaft 2354 moves in the strip-shaped hole 23573 to cause the folding sheet 2352 to be folded is avoided. When the folding hinge 235 is in a folded state (i.e., the wheel frame 236 is bent upward around the unlocking rotating shaft 2354, and the wheel frame 236 is perpendicular to the rotating block 231), the unlocking rotating shaft 2354 is pulled to move in the strip-shaped hole 23573 by manually snapping the U-shaped unlocking clamp 2353, so that the unlocking rotating shaft 2354 moves to one side of the strip-shaped hole 23573, the two extension springs 2355 extend between the unlocking rotating shaft 2354 and the limiting block 23572, meanwhile, the arc-shaped edge 2350 of the second connecting piece 2358 is in contact fit with the surface of the unlocking rotating shaft 2354 in the rotating gap 2359 to rotate the folding piece 2352, so that the unlocking rotating shaft 2354 is in the vertical limiting hole 23501, the two extension springs 2355 are shortened between the unlocking rotating shaft 2354 and the limiting block 23572, and the vertical limiting hole 23501 plays a self-locking role in the unlocking rotating shaft 2354, and the unlocking rotating piece 2352 is prevented from moving in the strip-shaped hole 23573 to change into a flattened state. The gripping tab 23532 on the U-shaped unlocking clip 2353 can increase the gripping area of the operator, reduce the reaction force of the U-shaped unlocking clip 2353 on the hand when exerting force, and avoid the user from having a hand pain due to the rotation of the U-shaped unlocking clip 2353. This kind of folding hinge 235 need not with the help of any appurtenance, and the user can bare-handed messenger folding hinge 235 carries out auto-lock and unblock, and convenient operation alleviates the work degree of difficulty.

The upper ends of the two grabbing arms 22 are respectively provided with a grabbing buckle 25, the two sides of the front end of the frame 1 are respectively provided with a hook 11 correspondingly matched with the grabbing buckle 25, and the grabbing buckle 25 is connected with the corresponding hook 11 in a buckling manner. The clasp 25 comprises a flattening support 251, a clamping handle 252, a bolt rotating shaft 253, a right-angle U-shaped bolt 254, a self-locking handle 255, a torsion spring 256, a first bolt 257 and a second bolt 258, wherein the flattening support 251 is fixedly installed on the outer side of the upper end of the grabbing arm 22, the front end of the clamping handle 252 is hinged with the flattening support 251 through the first bolt 257, the bolt rotating shaft 253 penetrates through the middle part of the clamping handle 252, and two ends of the right-angle U-shaped bolt 254 are fixedly installed on the bolt rotating shaft 253; the front end of the self-locking handle 255 is hinged with the middle part of the clamping handle 252 through a second bolt 258, the self-locking handle 255 is positioned above the clamping handle 252, the second bolt 258 is parallel to the bolt rotating shaft 253, and the second bolt 258 is positioned behind the bolt rotating shaft 253; the torsion spring 256 is sleeved outside the rod part of the second bolt 258, and two torsion arms of the torsion spring 256 are respectively in contact fit with the upper edge of the rear end of the self-locking handle 255 and the upper edge of the bolt rotating shaft 253; the lower edge of the front end of the self-locking handle 255 is in snap fit with the edge of the flattening support 251; the right-angle U-shaped bolt 254 is buckled with the hook 11. The flattening support 251 is fixedly arranged on the outer side of the upper end of the grabbing arm 22, the hook 11 is fixedly arranged on the frame 1, the front end of the clamping handle 252 is hinged with the flattening support 251 through a first bolt 257 to form a hinge point A, the middle part of the clamping handle 252 is hinged with a right-angled U-shaped bolt 254 through a bolt rotating shaft 253 to form a hinge point B, the front end of the self-locking handle 255 is hinged with the middle part of the clamping handle 252 through a second bolt 258 to form a hinge point C, and the self-locking handle 255 is positioned above the clamping handle 252. When will locking frame 1 front end and carrier 2, flat support 251 is in same horizontal plane with couple 11, right angle U-shaped bolt 254 is connected with couple 11 lock, border and the border snap-fit of flat support 251 are flattened to the front end of auto-lock handle 255, pin joint ABC is located same straight line this moment, press from both sides tight handle 252 and be in the dead point position, no matter how the user breaks off with the fingers and thumb and press from both sides tight handle 252 this time, can't make right angle U-shaped bolt 254 break away from couple 11 all the time, thereby carry out the auto-lock with snatching buckle 25, prevent that right angle U-shaped bolt 254 from taking place to rotate and break away from with couple 11. When the front end of the frame 1 is disconnected from the carrier 2, the catch 25 needs to be unlocked first, the self-locking handle 255 can be manually pulled downwards to disengage the lower edge of the front end of the self-locking handle 255 from the edge of the flattening support 251, then the clamping handle 252 is slightly pulled downwards to easily disengage the clamping handle 252 from the dead point, and the right-angle U-shaped bolt 254 is disengaged from the hook 11.

A hook 2551 is arranged on the lower edge of the front end of the self-locking handle 255, and a limiting piece 2511 in snap fit with the hook 2551 is arranged on the edge of the flattening support 251; a third bolt 2521 is arranged in the middle of the clamping handle 252, and the third bolt 2521 is located below the second bolt 258; and the shaft of the third bolt 2521 is in contact engagement with the front end of the self-locking handle 255. The lower edge of the front end of the self-locking handle 255 is in snap fit with the edge of the flattening support 251 through the matching of the hook 2551 and the limiting piece 2511, and the third bolt 2521 positioned below the second bolt 258 plays a limiting role in the rotation of the self-locking handle 255.

The upper end of the gripping arm 22 is provided with a second universal caster 26. The second caster 26 is used to maintain the height of the upper end of the gripping arm 22, facilitating the insertion of the gripping arm 22 into the front end of the frame 1.

The steps of the flat-laying, pushing and transporting of the frame 1 are as follows:

the steps of horizontally placing, pushing and carrying the vehicle frame are as follows:

a. the frame 1 is horizontally placed on the ground, the two grabbing arms 22 of the carrier 2 are rotated by 90 degrees, so that the grabbing arms 22 are perpendicular to the upper surface of the vehicle plate 21, and then the two grabbing arms 22 are inserted from the two sides of the front end of the frame 1 and can support the two sides of the front end of the frame 1;

b. a plate 21 of the carrier 2 is tightly attached to the front end of the frame 1, and right-angled U-shaped bolts 254 on the outer side of the upper end of the grabbing arms 22 are buckled and connected with hooks 11 on two sides of the front end of the frame 1, so that the carrier 2 is locked and connected with two sides of the frame 1;

c. lifting the front end of the frame 1, pressing the folding hinge 235 on the rotating leg 23, and converting the folding hinge 235 from a flat state to a folded state, so that the rotating leg 23 lifts the leg by 90 degrees, the directional caster 237 lands on the ground, and the front end of the frame 1 is lifted;

d. the staff can easily make frame 1 carry out the translation with the rear end of hand push frame 1.

As shown in fig. 8, the steps of inverted horizontal pushing and transporting the vehicle body frame 1 are as follows:

a. the frame 1 is horizontally placed on the ground, the two grabbing arms 22 of the carrier 2 are rotated by 90 degrees, so that the grabbing arms 22 are perpendicular to the upper surface of the vehicle plate 21, and then the two grabbing arms 22 are inserted from the two sides of the front end of the frame 1 and can support the two sides of the front end of the frame 1;

b. a sweep 21 of the carrier 2 is tightly attached to the front end of the frame 1, a right-angle U-shaped bolt 254 on the outer side of the upper end of the grabbing arm 22 is buckled and connected with hooks 11 on two sides of the front end of the frame 1, so that the carrier 2 is tightly connected with two sides of the frame 1, and a folding hinge 235 on a turning leg 23 is always in a flat state;

c. two persons are required to forcibly lift the frame 1 at the rear end of the frame 1, the rear end of the frame 1 is turned upwards by taking the directional caster 237 of the carrier 2 as a fulcrum, the frame 1 is inverted and horizontally placed on the ground (the front end of the frame 1 faces downwards, and the rear end of the frame 1 faces upwards), at the moment, each first universal caster 24 at the bottom of the carrier 2 lands, the directional caster 237 on the rotating leg 23 is suspended, and the whole frame 1 is supported by a plate 21 of the carrier 2;

d. the staff can easily make frame 1 carry out the translation with the rear end of hand push frame 1.

Example 2

The multifunctional combined transporting vehicle of the flaw detection vehicle in the embodiment is different from the embodiment 1 in that:

the wheel frame 236 is a tripod frame, the number of the directional casters 237 is three, the tripod frame is rotatably connected with the folding sheet 2352, and the three directional casters 237 are respectively rotatably mounted on the corresponding wheel shafts of the tripod frame. If the body of the truck 2 needs to climb stairs, the truck 2 can be designed to have three casters and three directional casters 237. When climbing stairs, one person pulls at the rear end of the frame 1, the other person pushes at the front end of the frame 1, the tripod frame can perform overturning motion, the span between any two wheels in the three directional trundles 237 is larger than the height of a single-step stair, and the stair climbing can be realized by freely reversing the three directional trundles 237.

Example 3

As shown in fig. 9 to 11, the multifunctional combined truck for a flaw detection vehicle according to the present embodiment is different from embodiment 1 in that:

the multifunctional combined carrier of the flaw detection vehicle further comprises two moving frames 27, each moving frame 27 comprises a supporting plate 271, two rollers 272 and four third universal casters 273, the top of the supporting plate 271 is provided with a strip-shaped limiting groove 274 with an upward opening, and the two rollers 272 can be rotatably arranged on the supporting plate 271 and are respectively positioned at two ends of the strip-shaped limiting groove 274; the four third casters 273 are respectively mounted on four corners of the bottom of the supporting plate 271, and the two legs 12 at the rear end of the frame 1 are respectively embedded in the bar-shaped limiting grooves 274 of the corresponding movable frame 27.

Generally, the flaw detection vehicle generally comprises a frame 1, a front axle 3, a rear axle 4, two driving rail traveling wheels 5 and two driven rail traveling wheels 6, wherein the front axle 3 is detachably mounted at the front end of the frame, the two driving rail traveling wheels 5 are respectively arranged at two ends of the front axle 3, the rear axle 4 is detachably mounted at the rear end of the frame, and the two driven rail traveling wheels 6 are respectively arranged at two ends of the rear axle 4. When the flaw detection vehicle is transported, the vehicle frame 1 and the front axle 3 are connected with the two driving rail running wheels 5, and the rear axle 4 is connected with the two driven rail running wheels 6, and then the flaw detection vehicle is transported separately. The moving frame 27 can be used for supporting the rear end of the hoisting frame when the flaw detection vehicle is horizontally moved. When in transportation, the rear end of the vehicle frame 1 is lifted, the two movable frames 27 are placed under the rear end of the vehicle frame 1, so that the two sides of the rear end of the vehicle frame 1 are placed in the strip-shaped limit grooves 274 of the movable frames 27, and the rear end of the vehicle frame 1 is supported. In general, the third caster 273 has a braking function, and when the vehicle body frame, the front axle 3, or the rear axle 4 is parked on a sloping ground, the third caster 273 having the braking function is braked to prevent the vehicle from falling down. The moving frame 27 and the carrier may be used independently or in combination.

The moving frame 27 is used for transporting the front axle 3 and the rear axle 4 of the flaw detection vehicle: the moving frame 27 is placed under the two driving rail wheels 5 (or the driven rail wheels 6), the rims of the driving rail wheels 5 (or the driven rail wheels 6) are placed in the strip-shaped limit grooves 274 of the moving frame 27, the rims of the driving rail wheels 5 (or the driven rail wheels 6) are placed between the two rollers 272, and a user can push the limit rods of the front axle 3 (or the rear axle 4) to drive the front axle 3 (or the rear axle 4) to move to a destination with double hands (in the actual pushing process, in order to prevent the driving rail wheels 5 (or the driven rail wheels 6) from being separated from the moving frame 27 due to violent jumping, the driving rail wheels 5 (or the driven rail wheels 6) and the moving frame 27 can be bound together by ropes).

The outer circumferential surface of the drum 272 is coated with a glue layer. The driving rail traveling wheel 5 or the driven rail traveling wheel 6 is arranged between the two rollers 272 with the glue layers, so that the phenomenon that the rim of the driving rail traveling wheel 5 or the driven rail traveling wheel 6 is scratched in the pushing process can be avoided, and the effect of protecting the driving rail traveling wheel 5 or the driven rail traveling wheel 6 is achieved.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. 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 many function combination carrier of car of visiting wounded, includes the frame, its characterized in that: the device also comprises a transport vehicle; the carrier comprises a vehicle board, two grabbing arms, two rotating legs and a plurality of first universal trundles, the lower ends of the two grabbing arms can be rotatably arranged on two corners of the same side of the vehicle board along the length direction of the vehicle board, and the grabbing arms can be perpendicular to the upper surface of the vehicle board; the two rotating legs are respectively rotatably arranged at the lower ends of the corresponding grabbing arms; each first universal caster is arranged at the bottom of the vehicle plate; the upper ends of the two grabbing arms are detachably connected with the two sides of the front end of the frame respectively.

2. The multi-functional combined transporting vehicle of the flaw detection vehicle of claim 1, wherein: the sweep comprises a first bottom plate, a second bottom plate and a third bottom plate which are mutually butted, wherein the first bottom plate and the second bottom plate can relatively move in a telescopic manner along the length direction of the sweep and can relatively move in a telescopic manner and self-lock along the length direction of the sweep between the second bottom plate and the third bottom plate.

3. The multi-functional combined transporting vehicle of the flaw detection vehicle of claim 2, wherein:

an anti-collision silica gel plate is adhered to the upper surface of the vehicle plate;

all be equipped with the support on two corners of sweep with one side, be equipped with rotatory chamber on the support, the opening in rotatory chamber is equipped with the fixed axle towards the sweep opposite side in the rotatory chamber, the lower extreme of grab arm is installed on the fixed axle to the inside wall in rotatory chamber blocks the grab arm rotation when the upper surface of grab arm and sweep is perpendicular.

4. The multi-functional combined transporting vehicle of the flaw detection vehicle of claim 1, wherein: the rotary legs comprise rotary blocks, sleeves, movable cams, torsion springs, folding hinges, wheel carriers and at least one directional caster, the sleeves are sleeved at the lower ends of the grabbing arms, the outer side walls of the sleeves are connected with the fixed ends of the rotary blocks, the movable ends of the rotary blocks are connected with the wheel carriers through the folding hinges, and the directional caster is installed on the wheel carriers; the movable cam is sleeved at the lower end of the grabbing arm and is positioned in the sleeve, and the torsion spring is sleeved at the lower end of the grabbing arm and is positioned in the sleeve; the upper end of the torsion spring is connected with the movable cam, and the lower end of the torsion spring is fixedly connected with the outer side wall of the grabbing arm; the middle part of the grabbing arm is sleeved with a fixed cam, and the curve profile at the lower end of the fixed cam is in contact fit with the curve profile at the upper end of the movable cam.

5. The multi-functional combination cart for a flaw detection vehicle according to claim 4, wherein: the folding hinge comprises a fixed piece, a turnover piece, a U-shaped unlocking clamp, an unlocking rotating shaft, two extension springs and two positioning screws, wherein the fixed piece is arranged on the rotating block, and the turnover piece is arranged on the wheel carrier; the fixed piece is provided with two first connecting pieces which are oppositely arranged, the inner side of each first connecting piece is provided with a first through hole, the turnover piece is provided with two second connecting pieces which are oppositely arranged, the center of each second connecting piece is provided with a second through hole, the two second connecting pieces are positioned on the outer sides of the two first connecting pieces, and the two second through holes and the two first through holes are positioned on the same straight line; two sides of the fixing sheet and two sides of the turnover sheet sequentially penetrate through the second through hole and the first through hole through the positioning screws to be hinged; a limiting block is arranged on the inner side of the first connecting piece, the limiting block is positioned below the first through hole, a horizontally extending strip-shaped hole is formed in the middle of the first connecting piece, two third through holes are oppositely formed in the U-shaped unlocking clamp, and the unlocking rotating shaft sequentially penetrates through one third through hole, the strip-shaped hole in one first connecting piece, the strip-shaped hole in the other first connecting piece and the other third through hole; a rotating gap is formed between the inner side surface of the U-shaped unlocking clamp and the outer side surface of the first connecting sheet; the edge of the inner side of the second connecting sheet is an arc edge, the arc edge is positioned in the rotating gap, and the arc edge is in contact fit with the surface of the unlocking rotating shaft; a vertical limiting hole and a horizontal limiting hole are arranged along the circumferential direction on the arc-shaped edge, and the vertical limiting hole is positioned above the horizontal limiting hole; the two extension springs are positioned between the two first connecting pieces, one end of each extension spring is connected with the unlocking rotating shaft, and the other end of each extension spring is connected with the limiting block; the U-shaped unlocking clamp is provided with a hand-held piece.

6. The multi-functional combination cart for a flaw detection vehicle according to claim 5, wherein: the wheel frame is a tripod wheel frame, the number of the directional trundles is three, the tripod wheel frame is rotatably connected with the turnover sheet, and the three directional trundles are respectively rotatably arranged on corresponding wheel shafts of the tripod wheel frame.

7. The multi-functional combined transporting vehicle of the flaw detection vehicle of claim 1, wherein: the upper ends of the two grabbing arms are respectively provided with a grabbing buckle, the two sides of the front end of the frame are respectively provided with a hook correspondingly matched with the grabbing buckles, and the grabbing buckles are buckled and connected with the corresponding hooks; the grabbing buckle comprises a flattening support, a clamping handle, a bolt rotating shaft, a right-angle U-shaped bolt, a self-locking handle, a torsion spring, a first bolt and a second bolt, the flattening support is fixedly installed on the outer side of the upper end of the grabbing arm, the front end of the clamping handle is hinged to the flattening support through the first bolt, the bolt rotating shaft penetrates through the middle of the clamping handle, and two ends of the right-angle U-shaped bolt are fixedly installed on the bolt rotating shaft; the front end of the self-locking handle is hinged with the middle part of the clamping handle through a second bolt, the self-locking handle is positioned above the clamping handle, the second bolt is parallel to the bolt rotating shaft, and the second bolt is positioned behind the bolt rotating shaft; the torsion spring is sleeved outside the rod part of the second bolt, and two torsion arms of the torsion spring are respectively in contact fit with the upper edge of the rear end of the self-locking handle and the upper edge of the bolt rotating shaft; the lower edge of the front end of the self-locking handle is in snap fit with the edge of the flattening support; the right-angle U-shaped bolt is buckled with the hook.

8. The multi-functional combination cart for a flaw detection vehicle according to claim 7, wherein: the lower edge of the front end of the self-locking handle is provided with a hook, and the edge of the flattening support is provided with a limiting sheet in snap fit with the hook; a third bolt is arranged in the middle of the clamping handle and is positioned below the second bolt; and the rod part of the third bolt is in contact fit with the front end of the self-locking handle.

9. The multi-functional combined transporting vehicle of the flaw detection vehicle of claim 1, wherein: and the upper end of the grabbing arm is provided with a second universal caster.

10. The multi-functional combined transporting vehicle of the flaw detection vehicle of claim 1, wherein: the two rollers can be rotatably arranged on the supporting plate and are respectively positioned at two ends of the strip-shaped limiting groove; the four third universal casters are respectively arranged on four corners at the bottom of the supporting plate, and two support legs at the rear end of the frame are respectively embedded into the strip-shaped limiting grooves of the corresponding movable frame; the outer circumference of the roller is coated with a glue layer.

Images