CN113002599A

CN113002599A - Supplementary shallow of getting in stocks over obstacles

Info

Publication number: CN113002599A
Application number: CN202110198476.0A
Authority: CN
Inventors: 黄帆
Original assignee: Ningbo Liangchen Logistics Co ltd
Current assignee: Ningbo Liangchen Logistics Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-06-22

Abstract

The invention discloses an auxiliary goods-loading obstacle-crossing cart which comprises a cart body, wherein the right end of the cart body is fixedly connected with two handles which are symmetrical front and back, each handle is fixedly sleeved with a handle, two supporting legs are symmetrically and fixedly connected with the front and the back of the lower side surface of the vehicle body, two V-shaped supporting rods are symmetrically and fixedly connected with the front and the back of the lower side surface of the vehicle body, through the arrangement of the pull rod, when goods need to be loaded, the vehicle is inclined, so that the goods baffle is flush with the ground, meanwhile, the pull rod drives the first mounting rod to turn over under the action of gravity, when the first trigger plate is contacted with the ground, and simultaneously retracting the first ejection rod and the second ejection rod inwards to enable the pull rod to move to the lower side of the woven bag, and then treading the pedal by feet.

Description

Supplementary shallow of getting in stocks over obstacles

Technical Field

The invention belongs to the field of cargo storage, and particularly relates to an auxiliary loading obstacle-crossing trolley.

Background

In some small-size factories and commodity circulation warehouse, the small handcart is the leading tool of short distance transportation, it is more convenient to transport the freight of braided bag or sack packing, but current small handcart is when using, often need two people to operate the process of braided bag loading, very not everywhere, and when meetting the road surface of jolting, the goods drops easily, and when great bank, the trafficability characteristic is relatively poor, consequently, need to wait to design a can assist the shipment and prevent that the goods from dropping and supplementary shallow of crossing the barrier.

Disclosure of Invention

The invention provides a trolley capable of assisting in loading goods, preventing goods from falling and assisting in obstacle crossing, aiming at overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a cart for assisting in getting goods and crossing obstacles comprises a cart body, wherein two front and back symmetrical handles are fixedly connected to the right end of the cart body, each handle is fixedly sleeved with a handle, two supporting legs are symmetrically and fixedly connected to the front and back of the lower side surface of the cart body, two V-shaped supporting rods are symmetrically and fixedly connected to the front and back of the lower side surface of the cart body, the lower end of each supporting rod is fixedly connected with an annular supporting shaft sleeve, an axle is fixedly connected between the two supporting shaft sleeves, two ends of the axle, which are far away from the horizontal central line of the cart body, are respectively and rotatably connected with a traveling wheel, the axle is positioned on the left side of the supporting legs, a left-side tasty overturning cavity with an upper-side opening is arranged in the cart body, an overturning shaft is fixedly connected between the front side wall and the back side wall, the limiting plate is abutted against the goods baffle plate, so that the overturning angle of the goods baffle plate is limited to be 0-110 degrees; the goods loading device comprises a loading mechanism arranged in the vehicle body, and the loading mechanism further comprises a power mechanism arranged on the axle, and two obstacle crossing devices which are symmetrical in the front and back are arranged on the lower side of the vehicle body and in the vehicle body.

Preferably, the power mechanism comprises two power blocks symmetrically fixed on the front and back of the power mechanism and symmetrically fixed on the front and back of the power block, a power cavity is formed in each power block, two rotating shaft sleeves are connected to the front and back of the axle in a rotating mode, each rotating shaft sleeve is located in one power cavity, a reel is fixedly sleeved on each rotating shaft sleeve, a first pull rope is wound on each reel, each first pull rope upwards extends into the automobile body, a one-way bearing is fixedly sleeved on each rotating shaft sleeve, a first gear is fixedly sleeved on each one-way bearing, a rack is slidably connected to the lower side wall of each power cavity, the rack respectively extends leftwards and rightwards to penetrate through the power blocks into the external space, pedals are fixedly connected to the right ends of the racks, and a first spring is sleeved on each rack, one end of each first spring is fixedly connected with the pedal, and the other end of each first spring is fixedly connected with the right side surface of the power cavity.

Preferably, the loading mechanism comprises two first hinged blocks which are symmetrically and fixedly connected with the upper side surface of the vehicle body in a front-back manner, each first hinged block is hinged with a telescopic turnover rod, the left end of each telescopic turnover rod is fixedly connected with a trigger rod, the right ends of the two telescopic turnover rods are fixedly connected with a first mounting rod, the first mounting rod is provided with two first chutes which are symmetrically arranged in the front-back manner and have openings facing away from the horizontal central line of the vehicle body, each first chute is connected with a first ejection rod in a sliding manner, a third spring is connected between each first ejection rod and one side wall of the first chute close to the horizontal central line of the vehicle body, a second chute with an upward opening is arranged in the first mounting rod, a first pressure rod is connected in the second chute in a sliding manner, and extends upwards to enter the external space, the upper side surface of the first pressure lever is fixedly connected with a first trigger plate, a second spring is connected between the lower side surface of the first trigger plate and the upper side surface of the first installation lever, the upper and lower side walls of one end of each first sliding groove, which is far away from the horizontal central line of the vehicle body, are respectively communicated with a first limiting groove with an opening facing away from the axial direction of the first installation lever, one end of each first ejection lever, which is close to the horizontal central line of the vehicle body, is provided with two vertically symmetrical opening facing away from the axial direction of the first ejection lever, each third sliding groove is connected with a first limiting block in a sliding manner, a fourth spring is connected between one side wall of each first limiting block and one side wall of each third sliding groove, which is close to the axial direction of the first ejection lever, a first guide cavity is arranged in each first ejection lever, and two first guide wheel shafts are fixedly connected between the left and right side walls of each first guide cavity in a vertically symmetrical manner, a first guide wheel is rotatably sleeved on each first guide wheel shaft, a first connecting rope is fixedly connected to each first limiting block, each first connecting rope extends into the first guide cavity, each first connecting rope extends into the second chute after being guided by the first guide wheel, the four first connecting ropes are fixedly connected with a first fixing block in the second chute, and the first pressure rod can be abutted against the first fixing block; one end, far away from the horizontal center line of the vehicle body, of each first ejection rod is fixedly connected with an arc-shaped pull rod, and each pull rod extends leftwards.

Preferably, the loading mechanism is still including seting up the chamber that triggers of automobile body left part, the left side wall in chamber that triggers with upset chamber intercommunication, the side wall intercommunication is provided with the ascending intercommunication groove of opening on the right part in chamber that triggers, fixedly connected with fixed axle between the front and back lateral wall in chamber that triggers, it is equipped with the telescopic link to rotate the cover on the fixed axle, the upper end of telescopic link extends to enter into in the intercommunication groove, the lower extreme of telescopic link articulates there is the butt pole, the trigger bar can with the upper end butt of telescopic link.

Preferably, the loading mechanism further comprises a front opening through hole and a rear opening through hole which are communicated with the left part of the trigger cavity, a second installation rod is fixedly connected in the through hole, two symmetrical front and rear openings are arranged in the second installation rod and face towards a moving groove far away from the horizontal central line of the vehicle body, a second ejection rod is connected in each moving groove in a sliding manner, a sixth spring is connected between each second ejection rod and one side wall of the moving groove close to the horizontal central line of the vehicle body, a right opening pressing groove is arranged in the second installation rod, a second pressing rod is connected in the pressing groove in a sliding manner and extends rightwards to enter the trigger cavity, a second trigger plate is fixedly connected to the upper side face of the second pressing rod, the second trigger plate is fixedly connected with the abutting rod, and a fifth spring is connected between the left side face of the second trigger plate and the right side face of the second installation rod, a second limiting groove with an opening facing away from the axis of the second mounting rod is respectively communicated with the left side wall and the right side wall of one end of each moving groove, which is away from the horizontal center line of the vehicle body, a second limiting groove with two bilaterally symmetrical openings facing away from the axis of the second mounting rod is respectively arranged in one end of each second ejection rod, which is close to the horizontal center line of the vehicle body, a second limiting block is connected in each sliding groove in a sliding manner, a seventh spring is connected between each second limiting block and one side wall of the sliding groove, which is close to the axis of the second ejection rod, a second guide cavity is arranged in each second ejection rod, two second guide wheel shafts are fixedly connected between the upper side wall and the lower side wall of each second guide cavity in a bilaterally symmetrical manner, a second guide wheel is rotatably sleeved on each second guide wheel shaft, and a second connecting rope is fixedly connected on each second limiting block, each second connecting rope extends into the second guide cavity, each second connecting rope extends into the pressure groove after being guided by the second guide wheel, the four second connecting ropes are fixedly connected with a second fixed block in the pressure groove, and the second pressure lever can be abutted against the second fixed block; one end of each second ejection rod, which is far away from the horizontal center line of the vehicle body, is fixedly connected with the pull rod respectively; two gear grooves with leftward openings are symmetrically formed in the second mounting rod in the front and back direction, a threaded rod is rotatably connected between the front side wall and the back side wall of each gear groove, a second gear is fixedly arranged on each threaded rod in a sleeved mode, a gear shaft second block is fixedly connected between the front side wall and the back side wall of each gear groove, a third gear is rotatably sleeved on each gear shaft second block and meshed with the second gear on the same side, each third gear is partially positioned in the overturning cavity, an insertion groove is formed in each second ejection rod, each insertion groove is communicated with the corresponding movable groove, each threaded rod can extend into the insertion grooves on the same side, a threaded block is fixedly connected into each insertion groove, each threaded rod is in threaded connection with the threaded block on the same side, and two driving gears are symmetrically and fixedly sleeved on the overturning shaft in the front and back direction, each third gear is meshed with the adjacent driving gear.

Preferably, the loading device further comprises two third guide cavities which are arranged in the vehicle body and are symmetrical front and back, a third guide wheel shaft is fixedly connected between the front side wall and the back side wall of each third guide cavity, a third guide wheel is rotatably connected to each third guide wheel shaft, each first pull rope extends into the corresponding third guide cavity, each first pull rope extends to the right after being guided by the third guide wheel, two fourth guide cavities are symmetrically formed in each car body in the front and back direction, the fourth guide cavities are positioned at the lower side of the first mounting rod, a fourth guide wheel shaft is fixedly connected between the front side wall and the rear side wall of each fourth guide cavity, a fourth guide wheel is rotatably sleeved on each fourth guide wheel shaft, each first pull rope extends into each fourth guide cavity, each first pull rope extends upwards after being guided by the fourth guide wheel and is fixedly connected with the first mounting rod. Through the arrangement of the pull rod, when goods need to be loaded, the vehicle is inclined, the goods blocking plate is flush with the ground, meanwhile, the pull rod drives the first mounting rod to turn over under the action of gravity, when the first trigger plate is in contact with the ground, the first ejection rod and the second ejection rod simultaneously contract inwards, the pull rod moves to the lower side of the woven bag, then the pedal is stepped on by feet, the first pull rope is stretched, the goods are lifted, and the goods are pulled onto the vehicle under the auxiliary action of the pull rod.

Preferably, the obstacle crossing device comprises a second hinged block fixedly connected to the lower side surface of the vehicle body, the second hinged block is located between the supporting leg and the vehicle axle, a first connecting rod is hinged to the second hinged block, a telescopic groove with a downward opening is formed in the first connecting rod, a second connecting rod is connected in the telescopic groove in a sliding manner, an eighth spring is connected between the upper side surface of the second connecting rod and the upper side wall of the telescopic groove, a third hinged block is hinged to the lower end of the second connecting rod, a butting plate is fixedly connected to the lower side surface of the third hinged block, a fourth sliding groove with an opening facing away from the horizontal central line direction of the vehicle body is formed in the right end of the vehicle body, a fifth sliding groove is communicated with the lower side wall of the right part of the fourth sliding groove, an inserting block is connected in the fifth sliding manner, and a ninth spring is connected between the lower side surface of the inserting block and the lower side wall of the fifth sliding groove, the left side surface of the upper end of the insertion block is an inclined surface which inclines from left to bottom to right, the lower side surface of the insertion block is fixedly connected with a third connecting rod, the third connecting rod extends downwards to penetrate through the vehicle body to enter an external space, the lower end of the third connecting rod is fixedly connected with a pull plate, a moving block is connected in a sliding manner in a fourth sliding groove, a sixth sliding groove with a downward opening is arranged in the moving block, the insertion block can be inserted into the sixth sliding groove, an L-shaped fourth connecting rod is fixedly connected to one side surface of the moving block far away from the horizontal central line of the vehicle body, the eye of the fourth connecting rod enters the external space, the lower end of the fourth connecting rod is fixedly connected with a reset rod, a tenth spring is connected between the left side surface of the moving block and the left side wall of the fourth sliding groove, a second pull rope is fixedly connected to the left side surface, a seventh sliding groove with an upward opening is formed in the vehicle body, the second pull rope penetrates through the seventh sliding groove and extends leftwards, the left end of the second pull rope is fixedly connected with the right side face of the first connecting rod, a pull block is fixedly sleeved on the second pull rope and is slidably connected in the seventh sliding groove, a butting block is slidably connected on the second pull rope, a buffer spring is connected between the butting block and the pull block, the butting block is positioned on the left side of the pull block, a fifth connecting rod is slidably sleeved on the second pull rope and is slidably connected in the seventh sliding groove and is positioned on the left side of the butting block, an eighth sliding groove with a downward opening is formed in the telescopic turnover rod, a second block is fixedly connected to the lower portion of the left side wall of the eighth sliding groove, and the fifth connecting rod extends upwards to enter the eighth sliding groove, the upper end fixedly connected with first piece of fifth connecting rod, the downside of first piece can with the side butt that goes up of second piece. Through the arrangement of the inserting block, the first block and the second connecting rod, when the trolley is across obstacles, the inserting block is pulled out of the sixth sliding groove, so that the abutting plate is in contact with the ground, meanwhile, the first block is abutted to the side face of the second block, the telescopic overturning rod is fixed, the phenomenon that the vehicle jolts when the obstacle is crossed is avoided, so that goods fall off, and meanwhile, the second connecting rod supports the right side face of the obstacle, so that the travelling wheel can cross the obstacle more easily.

Initial state: the flexible upset pole is in the horizontality, the second stopper inserts in the second spacing groove, first stopper inserts in the first spacing groove, the third spring with the sixth spring is in tensile state, insert the piece and insert in the sixth spout, the tenth spring is in tensile state, first piece is located second piece butt, first connecting rod with the laminating of automobile body downside.

The working principle is as follows: when loading is needed, a vehicle is erected to enable the goods blocking plate to be flush with the bottom surface, the travelling wheel is in contact with the ground at the moment, the goods blocking plate is inserted between the woven bag and the ground contact position, meanwhile, the pull rod and the first mounting rod drive the telescopic turnover rod to turn over under the action of gravity, meanwhile, the telescopic turnover rod extends, when the first trigger plate is in contact with the ground, the trigger rod drives the upper end of the telescopic rod to turn over rightwards, the lower end of the telescopic rod turns over leftwards, the abutting rod drives the second trigger plate to move leftwards, the first trigger plate and the second trigger plate simultaneously press the first fixing block and the second fixing block, the first fixing block and the second fixing block pull the first connecting rope and the second connecting rope, and the first limiting block and the second limiting block are pulled out from the first limiting groove and the second limiting groove, the first ejection rod and the second ejection rod are in limit contact, the first ejection rod and the second ejection rod move towards the direction close to the vertical central line of the first mounting rod and the second mounting rod under the action of the third spring and the sixth spring, so that the pull rod moves to the lower side of the woven bag, after the action is completed, the pedal is trampled, the pedal drives the rack to move downwards, the rack drives the first gear to rotate, the first gear drives the rotating shaft sleeve to rotate, the rotating shaft sleeve drives the reel to rotate, the first pull rope is contracted, the first pull rope drives the telescopic turnover rod to turn over through the first mounting rod, and the goods are turned up under the action of the pull rod, so that the goods lean against the vehicle body; when the cart needs to cross the obstacle, the pulling plate is pulled downwards, the pulling plate drives the inserting block to be pulled out of the sixth sliding groove through the third connecting rod, the moving block moves leftwards under the action of the tenth spring, meanwhile, due to the gravity action of the second connecting rod and the first connecting rod, the second pull rope moves leftwards, the abutting plate is abutted against the right ground of the obstacle, meanwhile, the second pull rope drives the pulling block to move leftwards, the pulling block drives the abutting block to move leftwards, the abutting block drives the fifth connecting rod to move leftwards, the fifth connecting rod drives the first block to abut against the upper side face of the second block, the telescopic overturning rod is fixed, the goods are prevented from falling off, then, due to the supporting effect of the second connecting rod, the cart can pass through the obstacle more easily, and after the obstacle crossing is finished, the moving block is pulled rightwards, so that the inserting block is inserted into the sixth sliding groove again, the first connecting rod is restored to be attached to the lower side face of the vehicle body through the second pull rope, and the obstacle crossing device is reset; when unloading is needed, the vehicle is erected again, meanwhile, the cargo blocking plate is turned over, the cargo blocking plate drives the turning shaft to rotate, the turning shaft drives the driving gear to rotate, the driving gear drives the third gear to rotate, the third gear drives the second gear to rotate, the second gear drives the threaded rod to rotate, the threaded rod and the matching effect enable the second ejection rod to move towards the direction far away from the vertical central line of the second mounting rod, the second ejection rod is reset, meanwhile, the second limiting block is inserted into the second limiting groove, meanwhile, the second ejection rod drives the first ejection rod to reset through the pull rod, meanwhile, the pull rod is moved away from the upper portion of the woven bag, and therefore the woven bag can be turned over from the vehicle body.

In summary, the invention has the following advantages:

through the arrangement of the pull rod, when goods need to be loaded, the vehicle is inclined, the goods blocking plate is flush with the ground, meanwhile, the pull rod drives the first mounting rod to turn over under the action of gravity, when the first trigger plate is in contact with the ground, the first ejection rod and the second ejection rod simultaneously contract inwards, the pull rod moves to the lower side of the woven bag, then the pedal is stepped on by feet, the first pull rope is stretched, the goods are lifted, and the goods are pulled onto the vehicle under the auxiliary action of the pull rod.

Through the arrangement of the inserting block, the first block and the second connecting rod, when the trolley is across obstacles, the inserting block is pulled out of the sixth sliding groove, so that the abutting plate is in contact with the ground, meanwhile, the first block is abutted to the side face of the second block, the telescopic overturning rod is fixed, the phenomenon that the vehicle jolts when the obstacle is crossed is avoided, so that goods fall off, and meanwhile, the second connecting rod supports the right side face of the obstacle, so that the travelling wheel can cross the obstacle more easily.

Drawings

FIG. 1 is a diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken at B-B of FIG. 1;

FIG. 4 is a cross-sectional view taken at C-C of FIG. 1;

FIG. 5 is an enlarged view of a portion of FIG. 1 at D;

FIG. 6 is an enlarged view of a portion E of FIG. 1;

FIG. 7 is an enlarged view of a portion of FIG. 1 at F;

FIG. 8 is an enlarged view of a portion of FIG. 3 at G;

FIG. 9 is an enlarged view of a portion of FIG. 4 at H;

FIG. 10 is a front cross-sectional view of FIG. 3;

fig. 11 is a partial enlarged view at I in fig. 10.

In the drawing, a vehicle body 101; a handle 102; support legs 103; a travel wheel 104; a support bar 105; an axle 106; a support sleeve 107; a roll-over chamber 108; a limit plate 109; a cargo shield 110; a flip shaft 111; a loading device 200; a power block 201; a power cavity 202; a rotating sleeve 203; a reel 204; a first gear 205; a rack 206; a pedal 207; a first spring 208; a third guide cavity 209; a third guide axle 210; a third guide wheel 211; a first pull cord 212; a fourth guide chamber 213; a fourth guide axle 214; a fourth guide wheel 215; a first hinge block 216; a telescopic overturning rod 217; a trigger lever 218; a first mounting rod 219 a; a first chute 220 a; a first eject lever 221 a; a third spring 222 a; the second chute 223 a; a first fixing block 224 a; a first press lever 225 a; a second spring 226 a; a first trigger plate 227 a; the first retaining groove 228 a; the first stopper 229 a; the third chute 230 a; the fourth spring 231 a; the first guide chamber 232 a; first guide axle 233 a; a first guide wheel 234 a; a first connecting cord 235 a; a second mounting rod 219 b; a moving slot 220 b; the second eject lever 221 b; a sixth spring 222 b; the pressure groove 223 b; a second fixed block 224 b; a second pressing lever 225 b; a fifth spring 226 b; a second trigger plate 227 b; a second retaining groove 228 b; the second stopper 229 b; the slide groove 230 b; the seventh spring 231 b; the second guide chamber 232 b; second guide wheel shaft 233 b; a second guide wheel 234 b; a second connecting cord 235 b; gear groove 236; a second gear 237; a threaded rod 238; a gear shaft second block 329; a third gear 240; an insertion slot 241; a screw block 242; a drive gear 243; the communication groove 244; a telescoping rod 245; a stationary shaft 246; a butting rod 247; a tie rod 248; a trigger cavity 249; the one-way bearing 251; an obstacle crossing device 300; a second articulated block 301; a first link 302; a telescopic groove 303; an eighth spring 304; a second link 305; a third hinge block 306; an abutting plate 307; a fourth chute 308; an insertion block 309; a fifth chute 310; a ninth spring 311; a third link 312; a pulling plate 313; a reset lever 314; a fourth link 315; a moving block 316; a sixth chute 317; a second draw cord 318; a tenth spring 319; a seventh chute 320; a pull block 321; a buffer spring 322; an abutment block 323; the fifth link 324; an eighth runner 327; a first block 328; second block 329.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 11, and the technical solutions of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The following orientations are specified: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.

As shown in figure 1, the auxiliary goods-loading obstacle-surmounting trolley comprises a trolley body 101, two front-back symmetrical handles are fixedly connected to the right end of the trolley body 101, each handle is fixedly sleeved with a handle 102, two supporting legs 103 are fixedly connected to the front-back symmetrical lower side of the trolley body 101, two V-shaped supporting rods 105 are fixedly connected to the front-back symmetrical lower side of the trolley body 101, an annular supporting shaft sleeve 107 is fixedly connected to the lower end of each supporting rod 105, an axle 106 is fixedly connected between the two supporting shaft sleeves 107, two ends, far away from the horizontal central line of the trolley body 101, of the axle 106 are respectively and rotatably connected with traveling wheels 104, the axle 106 is positioned on the left side of the supporting legs 103, a left-side tasty turnover cavity 108 with an upper-side opening is arranged in the trolley body 101, a turnover shaft 111 is fixedly connected between the front side wall and the rear side wall of the turnover, the limiting plate 109 is abutted with the cargo baffle 110, so that the overturning angle of the cargo baffle 110 is limited to be 0-110 degrees; the axle 106 and the vehicle body 101 are provided with a loading device 200 for assisting loading, the loading device 200 comprises a loading mechanism arranged in the vehicle body 101, the loading device 200 further comprises a power mechanism arranged on the axle 106, and two obstacle crossing devices 300 which are symmetrical in the front and back are arranged on the lower side of the vehicle body 101 and in the vehicle body 101.

Referring to fig. 1 and fig. 2, the power mechanism includes two power blocks 201 symmetrically fixed on the axle 106 in a front-back manner, a power cavity 202 is formed in each power block 201, two rotating shaft sleeves 203 are rotationally connected to the axle 106 in a front-back manner, each rotating shaft sleeve 203 is located in one power cavity 202, a reel 204 is fixedly fixed on each rotating shaft sleeve 203, a first pull rope 212 is wound on each reel 204, each first pull rope 212 extends upwards into the vehicle body 101, a one-way bearing 251 is fixedly fixed on each rotating shaft sleeve 203, a first gear 205 is fixedly fixed on each one-way bearing 251, a rack 206 is slidably connected to the lower side wall of each power cavity 202, the racks 206 respectively extend leftwards and rightwards to penetrate through the power blocks 201 to enter into the external space, pedal 207 is fixedly connected to the right ends of the two racks 206, a first spring 208 is sleeved on each rack 206, one end of each first spring 208 is fixedly connected with the pedal 207, and the other end of each first spring 208 is fixedly connected with the right side surface of the power cavity 202.

Referring to fig. 1, 4 and 9, the loading mechanism includes two first hinged blocks 216 fixedly connected to the upper side of the vehicle body 101 in a front-back symmetrical manner, each first hinged block 216 is hinged with a telescopic turning rod 217, the left end of each telescopic turning rod 217 is fixedly connected with a trigger lever 218, the right ends of the two telescopic turning rods 217 are fixedly connected with a first installation rod 219a, the first installation rod 219a is provided with two first sliding slots 220a with front-back symmetrical openings facing away from the horizontal central line of the vehicle body 101, each first sliding slot 220a is slidably connected with a first ejecting rod 221a, a third spring 222a is connected between each first ejecting rod 221a and one side wall of the first sliding slot 220a close to the horizontal central line of the vehicle body 101, the first installation rod 219a is provided with a second sliding slot 223a with an upward opening, the second sliding slot 223a is slidably connected with a first pressing rod 225a, the first pressing rod 225a extends upward into the external space, a first trigger plate 227a is fixedly connected to the upper side of the first pressure lever 225a, a second spring 226a is connected between the lower side of the first trigger plate 227a and the upper side of the first mounting rod 219a, the upper and lower side walls of one end of each first sliding slot 220a, which is far away from the horizontal center line of the vehicle body 101, are respectively communicated with a first limit groove 228a with an opening facing the direction far away from the axis of the first mounting rod 219a, one end of each first ejection rod 221a, which is close to the horizontal center line of the vehicle body 101, is provided with two vertically symmetrical third sliding slots 230a with openings facing the axis far away from the first ejection rod 221a, each third sliding slot 230a is slidably connected with a first limit block 229a, a fourth spring 231a is connected between each first limit block 229a and one side wall of each third sliding slot 230a, which is close to the axis of the first ejection rod 221a, a is provided with a first guide cavity 232a, two first guide wheel shafts 233a are vertically and symmetrically fixedly connected between the left side wall and the right side wall of each first guide cavity 232a, a first guide wheel 234a is rotatably sleeved on each first guide wheel shaft 233a, a first connecting rope 235a is fixedly connected to each first limiting block 229a, each first connecting rope 235a extends into the first guide cavity 232a, each first connecting rope 235a is guided by the first guide wheel 234a and then extends into the second sliding groove 223a, the four first connecting ropes 235a are fixedly connected with first fixing blocks 224a in the second sliding groove 223a, and the first pressing rod 225a can be abutted against the first fixing blocks 224 a; one end of each first ejecting rod 221a, which is far away from the horizontal center line of the vehicle body 101, is fixedly connected with an arc-shaped pull rod 248, and each pull rod 248 extends leftwards.

Combine fig. 1 and fig. 7 to show, the mechanism of getting goods still includes the trigger chamber 249 who sets up at the automobile body 101 left part, the left side wall and the upset chamber 108 intercommunication of trigger chamber 249, the upper side wall intercommunication in the right part of trigger chamber 249 is provided with the ascending intercommunication groove 244 of opening, fixedly connected with fixed axle 246 between the front and back lateral wall of trigger chamber 249, it is equipped with telescopic link 245 to rotate the cover on fixed axle 246, telescopic link 245 is prior art, no longer describe, the upper end of telescopic link 245 extends and enters into in the intercommunication groove 244, the lower extreme of telescopic link 245 articulates there is the pole 247 that butts, trigger lever 218 can with the upper end butt of telescopic link 245.

As shown in fig. 1, 3, 8, 10 and 11, the loading mechanism further includes a front-rear opening through hole disposed at the left portion of the trigger cavity 249, a second mounting rod 219b is fixedly connected in the through hole, two moving slots 220b having front-rear symmetrical openings facing away from the horizontal center line of the car body 101 are formed in the second mounting rod 219b, a second ejecting rod 221b is slidably connected in each moving slot 220b, a sixth spring 222b is connected between each second ejecting rod 221b and one side wall of the moving slot 220b close to the horizontal center line of the car body 101, a pressing slot 223b having a rightward opening is formed in the second mounting rod 219b, a second pressing rod 225b is slidably connected in the pressing slot 223b, the second pressing rod 225b extends rightward into the trigger cavity, a second trigger plate 227b is fixedly connected to the upper side surface of the second pressing rod 225b, the second trigger plate 227b is fixedly connected to the lever 247, a fifth spring 226b is connected between the left side surface of the second trigger plate 227b and the right side surface of the second mounting rod 219b, the left and right side walls of one end of each moving groove 220b, which is far away from the horizontal center line of the vehicle body 101, are respectively and communicatively provided with a second limit groove 228b, which is opened in the direction far away from the axis of the second mounting rod 219b, one end of each second ejection rod 221b, which is close to the horizontal center line of the vehicle body 101, is provided with two sliding grooves 230b, which are bilaterally symmetrical, and opened in the direction far away from the axis of the second ejection rod 221b, a second limit block 229b is slidably connected in each sliding groove 230b, a seventh spring 231b is connected between each second limit block 229b and one side wall of the sliding groove 230b, which is close to the axis of the second ejection rod 221b, a second guide cavity 232b is opened in each second ejection rod 221b, and two second guide wheel shafts 233b are fixedly connected in a bilaterally, each second guide wheel shaft 233b is rotatably sleeved with a second guide wheel 234b, each second limiting block 229b is fixedly connected with a second connecting rope 235b, each second connecting rope 235b extends into the second guide cavity 232b, each second connecting rope 235b extends into the pressure groove 223b after being guided by the second guide wheel 234b, the four second connecting ropes 235b are fixedly connected with a second fixing block 224b in the pressure groove 223b, and the second pressure bar 225b can be abutted against the second fixing block 224 b; one end of each second ejection rod 221b, which is far away from the horizontal center line of the vehicle body 101, is fixedly connected with the pull rod 248; two gear grooves 236 with a left opening are symmetrically formed in the second mounting rod 219b in the front-back direction, a threaded rod 238 is rotatably connected between the front side wall and the rear side wall of each gear groove 236, a second gear 237 is fixedly sleeved on each threaded rod 238, a gear shaft second block 329 is fixedly connected between the front side wall and the rear side wall of each gear groove 236, a third gear 240 is rotatably sleeved on each gear shaft second block 329, the third gear 240 is meshed with the second gear 237 on the same side, part of each third gear 240 is positioned in the overturning cavity 108, a 241 insertion groove is formed in each second ejection rod 221b, each insertion groove 241 is communicated with the moving groove 220b, each threaded rod 238 can extend into the insertion groove 241 on the same side, a threaded block 242 is fixedly connected in each insertion groove 241, each threaded rod 238 is in threaded connection with the threaded block 242 on the same side, and two driving gears 243 are symmetrically and fixedly sleeved on the overturning shaft, each third gear 240 meshes with an adjacent drive gear 243.

As shown in fig. 1, the loading device 200 further includes two third guide cavities 209 opened in the vehicle body 101 in a front-rear symmetrical manner, a third guide wheel shaft 210 is fixedly connected between front and rear side walls of each third guide cavity 209, a third guide wheel 211 is rotatably connected to each third guide wheel shaft 210, each first pull rope 212 extends into the corresponding third guide cavity 209, each first pull rope 212 is guided by the third guide wheel 211 to extend to the right, two fourth guide cavities 213 are symmetrically formed in each vehicle body 101 in the front and back direction, the fourth guide cavities 213 are positioned at the lower side of the first mounting rod 219a, a fourth guide wheel shaft 214 is fixedly connected between the front side wall and the rear side wall of each fourth guide cavity 213, a fourth guide wheel 215 is rotatably sleeved on each fourth guide wheel shaft 214, each first pull rope 212 extends into each fourth guide cavity 213, each first pull rope 212 is guided by the fourth guide wheel 215 to extend upward and fixedly connect with the first mounting rod 219 a. Through the setting of pull rod 248, make when needing to get in good, with the vehicle slope, make fender goods board 110 and ground parallel and level, pull rod 248 simultaneously because the upset of the first installation pole 219a of action of gravity drive, when first trigger plate 227a and ground contact, make first pop-up pole 221a and second pop-up pole 221b shrink inwards simultaneously, make pull rod 248 move to the braided bag downside, later the foot is stepped on and is stepped on footboard 207, tensile first stay cord 212, thus lift the goods, pull the goods on the car under the auxiliary action of pull rod 248.

Referring to fig. 1, 5 and 6, the obstacle crossing device 300 includes a second hinge block 301 fixedly connected to the lower side of the vehicle body 101, the second hinge block 301 is located between the supporting leg 103 and the axle 106, a first link 302 is hinged on the second hinge block 301, a telescopic slot 303 with a downward opening is opened in the first link 302, a second link 305 is slidably connected in the telescopic slot 303, an eighth spring 304 is connected between the upper side of the second link 305 and the upper side wall of the telescopic slot 303, the lower end of the second link 305 is hinged with a third hinge block 306, a butt plate 307 is fixedly connected to the lower side of the third hinge block 306, a fourth chute 308 with an opening facing away from the horizontal center line direction of the vehicle body 101 is opened at the right end of the vehicle body 101, a fifth chute 310 is communicated with the lower right side wall of the fourth chute 308, an insertion block 309 is slidably connected in the fifth chute 310, a ninth spring 311 is connected between the lower side of the insertion block 309 and the lower side wall of the fifth chute 310, the left side surface of the upper end of the inserting block 309 is an inclined surface inclining from left to bottom to right, the lower side surface of the inserting block 309 is fixedly connected with a third connecting rod 312, the third connecting rod 312 extends downwards to penetrate through the vehicle body 101 to enter into the external space, the lower end of the third connecting rod 312 is fixedly connected with a pulling plate 313, a moving block 316 is connected in a sliding manner in a fourth sliding groove 308, a sixth sliding groove 317 with a downward opening is formed in the moving block 316, the inserting block 309 can be inserted into the sixth sliding groove 317, one side surface of the moving block 316 far away from the horizontal central line of the vehicle body 101 is fixedly connected with an L-shaped fourth connecting rod 315, the eye catch of the fourth connecting rod 315 enters into the external space, the lower end of the fourth connecting rod 315 is fixedly connected with a reset rod 314, a tenth spring 319 is connected between the left side surface of the moving block 316 and the left side wall of the fourth sliding groove 308, the left side surface of the moving block, the second pulling rope 318 penetrates through the seventh sliding groove 320 to extend leftwards, the left end of the second pulling rope 318 is fixedly connected with the right side surface of the first connecting rod 302, a pulling block 321 is fixedly sleeved on the second pulling rope 318, the pulling block 321 is connected in the seventh sliding groove 320 in a sliding manner, a butting block 323 is connected in the second pulling rope 318 in a sliding manner, a buffer spring 322 is connected between the butting block 323 and the pulling block 321, the butting block 323 is positioned on the left side of the pulling block 321, a fifth connecting rod 324 is sleeved on the second pulling rope 318 in a sliding manner and is connected in the seventh sliding groove 320 in a sliding manner, the fifth connecting rod 324 is positioned on the left side of the butting block 323, an eighth sliding groove 327 with a downward opening is formed in the telescopic overturning rod 217, a second block 329 is fixedly connected to the lower portion of the left side wall of the eighth sliding groove 327, the fifth connecting rod 324 extends upwards to enter the, a first block 328 is fixedly connected to an upper end of the fifth link 324, and a lower surface of the first block 328 can abut against an upper surface of the second block 329. Through inserting the setting of piece 309, first piece 328 and second connecting rod 305 for when the shallow is surmounting the obstacle, will insert piece 309 and extract from sixth spout 317, make butt plate 307 and ground contact, the side butt is gone up with second piece 329 to first piece 328 simultaneously, make flexible upset pole 217 fixed, the vehicle takes place to jolt when avoiding surmounting the obstacle and makes the goods drop, second connecting rod 305 is supporting the right flank of obstacle simultaneously, make advancing wheel 104 cross from the obstacle more easily.

Initial state: the telescopic turnover rod 217 is in a horizontal state, the second limit block 229b is inserted into the second limit groove 228b, the first limit block 229a is inserted into the first limit groove 228a, the third spring 222a and the sixth spring 222b are in a stretching state, the inserting block 309 is inserted into the sixth sliding groove 317, the tenth spring 319 is in a stretching state, the first block 328 is located on the second block 329 in an abutting mode, and the first connecting rod 302 is attached to the lower side face of the vehicle body 101.

The working principle is as follows: when loading is needed, the vehicle is erected to make the cargo baffle 110 flush with the bottom surface, at this time, the travelling wheel 104 contacts with the ground, the cargo baffle 110 is inserted between the woven bag and the ground contact position, at the same time, the pull rod 248 and the first mounting rod 219a drive the telescopic turning rod 217 to turn over due to the action of gravity, at the same time, the telescopic turning rod 217 extends, when the first trigger plate 227a contacts with the ground, the trigger rod 218 drives the upper end of the telescopic rod 245 to turn right, so that the lower end of the telescopic rod 245 turns left, the abutting rod 247 moves left, the abutting rod 247 drives the second trigger plate 227b to move left, so that the first trigger plate 227a and the second trigger plate 227b simultaneously press the first fixing block 224a and the second fixing block 224b, so that the first fixing block 224a and the second fixing block 224b pull the first connecting rope 235a and the second connecting rope 235b, so that the first limiting block 229a and the second limiting block 229b are pulled out from the first limiting groove 228a and the second limiting groove 228b, the first ejection rod 221a is in limit contact with the second ejection rod 221b, the first ejection rod 221a and the second ejection rod 221b move in the direction close to the vertical center line of the first mounting rod 219a and the second mounting rod 219b under the action of the third spring 222a and the sixth spring 222b, so that the pull rod 248 moves to the lower side of the woven bag, after the action is completed, the pedal 207 is stepped, the pedal 207 drives the rack 206 to move downwards, the rack 206 drives the first gear 205 to rotate, the first gear 205 drives the rotating shaft sleeve 203 to rotate, the rotating shaft sleeve 203 drives the reel 204 to rotate, the first pull rope 212 is contracted, the first pull rope 212 drives the telescopic turnover rod 217 to turn over through the first mounting rod 219a, and the goods is turned up under the action of the pull rod 248, so that the goods lean against the vehicle body 101; when the cart needs to cross the obstacle, the pulling plate 313 is pulled downwards, the pulling plate 313 drives the inserting block 309 to be pulled out from the sixth chute 317 through the third connecting rod 312, the moving block 316 moves leftwards under the action of the tenth spring 319, meanwhile, due to the gravity action of the second connecting rod 305 and the first connecting rod 302, the second pulling rope 318 moves leftwards, the abutting plate 307 abuts against the right ground of the obstacle, meanwhile, the second pulling rope 318 drives the pulling block 321 to move leftwards, the pulling block 321 drives the abutting block 323 to move leftwards, the abutting block 323 drives the fifth connecting rod 324 to move leftwards, the fifth connecting rod 324 drives the first block 328 to abut against the upper side face of the second block 329, the telescopic overturning rod 217 is fixed, the goods are prevented from falling off, then, due to the supporting effect of the second connecting rod 305, the cart can pass through the obstacle more easily, after the obstacle crossing is over, the moving block 316 is pulled rightwards, the inserting block 309 is reinserted into the sixth chute 317, the first link 302 is restored to the state of being attached to the lower side surface of the vehicle body 101 by the second rope 318, and the obstacle crossing device 300 is restored; when unloading is needed, the vehicle is erected again, meanwhile, the cargo baffle 110 is turned over, the cargo baffle 110 drives the turning shaft 111 to rotate, the turning shaft 111 drives the driving gear 243 to rotate, the driving gear 243 drives the third gear 240 to rotate, the third gear 240 drives the second gear 237 to rotate, the second gear 237 drives the threaded rod 238 to rotate, the threaded rod 238 and the threaded rod 342 cooperate to enable the second ejection rod 221b to move towards the direction away from the vertical central line of the second mounting rod 219b, so that the second ejection rod 221b is reset, meanwhile, the second limit block 229b is inserted into the second limit groove 228b, meanwhile, the second ejection rod 221b drives the first ejection rod 221a to reset through the pull rod 248, and meanwhile, the pull rod 248 is moved away from the upper side of the woven bag, so that the woven bag can be turned over from the vehicle body 101.

It is to be understood that the above-described embodiments are only a few embodiments of the present invention, and not all embodiments. The above examples are only for explaining the present invention and do not constitute a limitation to the scope of protection of the present invention. All other embodiments, which can be derived by those skilled in the art from the above-described embodiments without any creative effort, namely all modifications, equivalents, improvements and the like made within the spirit and principle of the present application, fall within the protection scope of the present invention claimed.

Claims

1. The utility model provides a supplementary shallow of getting in stocks and crossing obstacles, includes automobile body (101), the handle of symmetry around two of automobile body (101) right-hand member fixedly connected with, every fixed cover is equipped with handle (102) on hand, two of symmetry fixedly connected with supporting legs (103) around the downside of automobile body (101), bracing piece (105) of two V-arrangements of symmetry fixedly connected with around the downside of automobile body (101), every the lower extreme fixedly connected with annular supporting axle sleeve (107) of bracing piece (105), two fixedly connected with axletree (106) between supporting axle sleeve (107), axletree (106) are kept away from the both ends of automobile body (101) horizontal center line rotate respectively and are connected with walking wheel (104), axletree (106) are located the left side of supporting leg (103), seted up tasty left side and upside open-ended upset chamber (108) in automobile body (101), fixedly connected with trip shaft (111) between the front and back lateral wall in upset chamber (108), it has fender goods board (110), its characterized in that to go up articulated on trip shaft (111): two limiting plates (109) are symmetrically and fixedly connected to the front and the back of the upper side face of the left end of the vehicle body (101), and the limiting plates (109) are abutted against the cargo baffle (110), so that the overturning angle of the cargo baffle (110) is limited to 0-110 degrees; the goods loading device comprises an axle (106) and a vehicle body (101), wherein a goods loading device (200) for assisting in loading goods is arranged in the vehicle body (101), the goods loading device (200) comprises a goods loading mechanism arranged in the vehicle body (101), the goods loading device (200) further comprises a power mechanism arranged on the axle (106), and two obstacle crossing devices (300) which are symmetrical in the front and the back are arranged on the lower side of the vehicle body (101) and in the vehicle body (101).

2. The auxiliary loading obstacle crossing cart of claim 1, wherein: power unit includes that the fixed cover of front and back symmetry is established two power blocks (201) on axletree (106), every power chamber (202) have been seted up in power block (201), symmetry rotation is connected with two rotation axle sleeves (203) around axletree (106) is gone up, every rotation axle sleeve (203) are located one in power chamber (202), every fixed cover is equipped with reel (204) on rotation axle sleeve (203), every the winding has first stay cord (212) on reel (204), every first stay cord (212) upwards extend and enter into in automobile body (101), every fixed cover is equipped with one-way bearing (251) on rotation axle sleeve (203), every fixed cover is equipped with first gear (205) on one-way bearing (251), every the lower lateral wall sliding connection of power chamber (202) has rack (206), rack (206) extend through left right respectively power block (201) enter into external space in The right ends of the two racks (206) are fixedly connected with a pedal (207), a first spring (208) is sleeved on each rack (206), one end of each first spring (208) is fixedly connected with the pedal (207), and the other end of each first spring (208) is fixedly connected with the right side face of the power cavity (202).

3. The auxiliary loading obstacle crossing cart of claim 1, wherein: the goods loading mechanism comprises two first hinged blocks (216) which are symmetrically and fixedly connected to the upper side face of the car body (101) in a front-back mode, each first hinged block (216) is hinged with a telescopic turning rod (217), the left end of each telescopic turning rod (217) is fixedly connected with a trigger rod (218), the right ends of the two telescopic turning rods (217) are fixedly connected with a first installation rod (219a), two symmetrical front-back openings are arranged in the first installation rod (219a) and face towards a first sliding groove (220a) far away from the horizontal central line of the car body (101), a first ejection rod (221a) is slidably connected in each first sliding groove (220a), a third spring (222a) is connected between each first ejection rod (221a) and one side wall of each first sliding groove (220a) close to the horizontal central line of the car body (101), and a second sliding groove (223a) with an upward opening is arranged in each first installation rod (219a), a first pressure lever (225a) is connected in the second sliding groove (223a) in a sliding manner, the first pressure lever (225a) extends upwards to enter an external space, a first trigger plate (227a) is fixedly connected to the upper side face of the first pressure lever (225a), a second spring (226a) is connected between the lower side face of the first trigger plate (227a) and the upper side face of the first installation rod (219a), the upper side wall and the lower side wall of one end, far away from the horizontal central line of the vehicle body (101), of each first sliding groove (220a) are respectively communicated with a first limit groove (228a) with an opening facing away from the axial direction of the first installation rod (219a), and one end, close to the horizontal central line of the vehicle body (101), of each first ejection rod (221a) is provided with two vertically symmetrical openings facing away from a third sliding groove (230a) with the axial line of the first ejection rod (221a), a first limiting block (229a) is slidably connected in each third sliding groove (230a), a fourth spring (231a) is connected between each first limiting block (229a) and one side wall of each third sliding groove (230a) close to the axis of the first ejecting rod (221a), a first guide cavity (232a) is formed in each first ejecting rod (221a), two first guide wheel shafts (233a) are fixedly connected between the left side wall and the right side wall of each first guide cavity (232a) in an up-and-down symmetrical mode, a first guide wheel (234a) is rotatably sleeved on each first guide wheel shaft (233a), a first connecting rope (235a) is fixedly connected to each first limiting block (229a), each first connecting rope (235a) extends into the first guide cavity (232a), and each first connecting rope (235a) extends backwards through the first guide wheel (234a) and into the second sliding groove (223a) The four first connecting ropes (235a) are fixedly connected with a first fixed block (224a) in the second sliding groove (223a), and the first pressure lever (225a) can abut against the first fixed block (224 a); one end of each first ejection rod (221a), which is far away from the horizontal center line of the vehicle body (101), is fixedly connected with an arc-shaped pull rod (248), and each pull rod (248) extends leftwards.

4. The auxiliary loading obstacle crossing cart of claim 3, wherein: go up cargo aircraft structure still including seting up triggering chamber (249) of automobile body (101) left part, the left side wall of triggering chamber (249) with upset chamber (108) intercommunication, the right part side wall intercommunication of triggering chamber (249) is provided with ascending intercommunication groove (244) of opening, fixedly connected with fixed axle (246) between the front and back lateral wall of triggering chamber (249), it is equipped with telescopic link (245) to rotate the cover on fixed axle (246), the upper end of telescopic link (245) extends to enter into in intercommunication groove (244), the lower extreme of telescopic link (245) articulates there is pole (247) of butt joint, triggering lever (218) can with the upper end butt of telescopic link (245).

5. The auxiliary loading obstacle crossing cart of claim 4, wherein: the loading mechanism further comprises a front opening through hole and a rear opening through hole which are communicated with the left portion of the trigger cavity (249), a second mounting rod (219b) is fixedly connected in the through hole, two symmetrical front and rear openings are arranged in the second mounting rod (219b) and face a moving groove (220b) far away from the horizontal center line of the vehicle body (101), a second ejection rod (221b) is connected in each moving groove (220b) in a sliding mode, a sixth spring (222b) is connected between each second ejection rod (221b) and one side wall of each moving groove (220b) close to the horizontal center line of the vehicle body (101), a pressing groove (223b) with an opening facing right is arranged in the second mounting rod (219b), a second pressing rod (225b) is connected in the pressing groove (223b) in a sliding mode, and extends rightwards to enter the trigger cavity (249), a second trigger plate (227b) is fixedly connected to the upper side surface of the second pressure lever (225b), a fifth spring (226b) is connected between the left side surface of the second trigger plate (227b) and the right side surface of the second mounting rod (219b), a second limit groove (228b) with an opening facing the direction far away from the axis of the second mounting rod (219b) is respectively communicated with the left side wall and the right side wall of one end, far away from the horizontal center line of the vehicle body (101), of each moving groove (220b), a sliding groove (230b) with two openings facing the direction far away from the axis of the second ejecting rod (221b) is formed in one end, close to the horizontal center line of the vehicle body (101), of each second ejecting rod (221b), and a second limit block (229b) is slidably connected in each sliding groove (230b), a seventh spring (231b) is connected between each second limiting block (229b) and one side wall of the sliding groove (230b) close to the axis of the second ejecting rod (221b), a second guide cavity (232b) is formed in each second ejecting rod (221b), two second guide wheel shafts (233b) are fixedly connected between the upper side wall and the lower side wall of each second guide cavity (232b) in a bilateral symmetry manner, a second guide wheel (234b) is rotatably sleeved on each second guide wheel shaft (233b), a second connecting rope (235b) is fixedly connected to each second limiting block (229b), each second connecting rope (235b) extends into the second guide cavity (232b), each second connecting rope (235b) is guided by the second guide wheel (234b) and then extends into the pressing groove (223b), the four second connecting ropes (235b) are fixedly connected with a second fixed block (224b) in the pressure groove (223b), and the second pressure rod (225b) can be abutted against the second fixed block (224 b); one end of each second ejection rod (221b) far away from the horizontal center line of the vehicle body (101) is fixedly connected with the pull rod (248); two gear grooves (236) with leftward openings are symmetrically formed in the second mounting rod (219b) in a front-back manner, a threaded rod (238) is rotatably connected between the front side wall and the rear side wall of each gear groove (236), a second gear (237) is fixedly sleeved on each threaded rod (238), a gear shaft second block (329) is fixedly connected between the front side wall and the rear side wall of each gear groove (236), a third gear (240) is rotatably sleeved on each gear shaft second block (329), the third gear (240) is meshed with the second gear (237) on the same side, part of each third gear (240) is located in the overturning cavity (108), an insertion groove (241) is formed in each second ejecting rod (221b), each insertion groove (241) is communicated with the moving groove (220b), and each threaded rod (238) can extend into the insertion groove (241) on the same side, each insertion groove (241) is fixedly connected with a thread block (242), each thread rod (238) is in threaded connection with the thread block (242) on the same side, two driving gears (243) are symmetrically and fixedly sleeved on the overturning shaft (111) in a front-back mode, and each third gear (240) is meshed with the adjacent driving gear (243).

6. The auxiliary loading obstacle crossing cart of claim 1, wherein: the loading device (5) further comprises two third guide cavities (209) which are symmetrically arranged in the vehicle body (101) in the front-back direction, a third guide wheel shaft (210) is fixedly connected between the front side wall and the rear side wall of each third guide cavity (209), a third guide wheel (211) is rotatably connected onto each third guide wheel shaft (210), each first pull rope (212) extends into the corresponding third guide cavity (209), each first pull rope (212) extends to the right after passing through the guide of the third guide wheel (211), two fourth guide cavities (213) are symmetrically arranged in the vehicle body (101) in the front-back direction, the fourth guide cavities (213) are positioned on the lower side of the first mounting rod (219a), a fourth guide wheel shaft (214) is fixedly connected between the front side wall and the rear side wall of each fourth guide cavity (213), and a fourth guide wheel (215) is rotatably sleeved on each fourth guide wheel shaft (214), each first pulling rope (212) extends into the fourth guide cavity (213), and each first pulling rope (212) extends upwards after being guided by the fourth guide wheel (215) and is fixedly connected with the first mounting rod (219 a).

7. The auxiliary loading obstacle crossing cart of claim 1, wherein: the obstacle crossing device (1) comprises a second hinged block (301) fixedly connected to the lower side face of the vehicle body (101), the second hinged block (301) is located between the supporting leg (103) and the axle (106), a first connecting rod (302) is hinged to the second hinged block (301), a telescopic groove (303) with a downward opening is formed in the first connecting rod (302), a second connecting rod (305) is connected to the middle of the telescopic groove (303) in a sliding mode, an eighth spring (304) is connected between the upper side face of the second connecting rod (305) and the upper side wall of the telescopic groove (303), a third hinged block (306) is hinged to the lower end of the second connecting rod (305), a butt plate (307) is fixedly connected to the lower side face of the third hinged block (306), a fourth chute (308) with an opening facing away from the horizontal central line direction of the vehicle body (101) is formed in the right end of the vehicle body (101), a fifth chute (310) is communicated with the lower right side wall of the fourth chute (308), an insertion block (309) is connected in the fifth chute (310) in a sliding manner, a ninth spring (311) is connected between the lower side surface of the insertion block (309) and the lower side wall of the fifth chute (310), the left side surface of the upper end of the insertion block (309) is an inclined surface inclining from left to bottom to right, a third connecting rod (312) is fixedly connected to the lower side surface of the insertion block (309), the third connecting rod (312) extends downwards to penetrate through the vehicle body (101) to enter the external space, a pull plate (313) is fixedly connected to the lower end of the third connecting rod (312), a moving block (316) is connected in the fourth chute (308) in a sliding manner, a sixth chute (317) with a downward opening is formed in the moving block (316), and the insertion block (309) can be inserted into the sixth chute (317), a side surface of the moving block (316) far away from the horizontal center line of the vehicle body (101) is fixedly connected with an L-shaped fourth connecting rod (315), the eye of the fourth connecting rod (315) enters an external space, the lower end of the fourth connecting rod (315) is fixedly connected with a reset rod (314), a tenth spring (319) is connected between the left side surface of the moving block (316) and the left side wall of the fourth sliding chute (308), the left side surface of the moving block (316) is fixedly connected with a second pull rope (318), the second pull rope (318) extends leftwards, a seventh sliding chute (320) with an upward opening is arranged in the vehicle body (101), the second pull rope (318) penetrates through the seventh sliding chute (320) to extend leftwards, the left end of the second pull rope (318) is fixedly connected with the right side surface of the first connecting rod (302), and a pull block (321) is fixedly sleeved on the second pull rope (318), the sliding block (321) is slidably connected to the seventh sliding groove (320), the second pull rope (318) is slidably connected to a butting block (323), a buffering spring (322) is connected between the butting block (323) and the sliding block (321), the butting block (323) is located on the left side of the sliding block (321), a fifth connecting rod (324) is slidably sleeved on the second pull rope (318), the fifth connecting rod (324) is slidably connected to the seventh sliding groove (320), the fifth connecting rod (324) is located on the left side of the butting block (323), an eighth sliding groove (327) with a downward opening is formed in the telescopic overturning rod (217), a second block (329) is fixedly connected to the lower portion of the left side wall of the eighth sliding groove (327), the fifth connecting rod (324) extends upwards to enter the eighth sliding groove (327), and a first block (328) is fixedly connected to the upper end of the fifth connecting rod (324), the lower surface of the first block (328) can abut against the upper surface of the second block (329).