CN218929624U - Multifunctional crawler carrier vehicle - Google Patents

Abstract

The utility model discloses a multifunctional crawler carrier, which relates to the technical field of carrier vehicles and aims to solve the technical problems that the existing mechanical equipment used in the existing coal mining is low in efficiency and poor in safety.

Description

Multifunctional crawler carrier vehicle

Technical Field

The utility model belongs to the field of caterpillar transport equipment, and particularly relates to a multifunctional caterpillar transport vehicle.

Background

The coal mining has a large amount of material transportation work, and the material transportation trolley is generally pushed by manpower to transport the materials, accessories and other objects on the coal mine into the coal mine tunnel, so that the objects are achieved through reciprocating turnover, but the method has low efficiency and high labor intensity, and the mechanical transportation trolley is generally used for transporting the materials in batches at present.

The mechanized transportation equipment on the market at present has single functionality, faces the special ground environment of coal mine, and rubber wheels used by the mechanized transportation equipment often have fault damage in the running process, and work stability is poor, and meanwhile, the mechanized transportation equipment does not have the capability of hoisting large materials, and the large materials still need to be manually loaded, so that transportation difficulty is high, and the coal mine tunnel is often provided with a large amount of residual cinder on the ground, so that the walking of the transportation equipment is blocked, workers are inconvenient to clean at any time, and the self-discharging transportation equipment is used, and when the self-discharging transportation equipment is discharged, the vehicle is easy to lift up the headstock due to the fact that the counterweights at the front end and the rear end are poor, so that the safety is low.

Therefore, aiming at the conditions that the labor intensity is high, the efficiency is low and the potential safety hazard exists in the process of transporting materials, sundries and the like on the coal mine, the novel transport vehicle is developed, the capability of stably walking in a complex ground environment is improved by utilizing the crawler travelling mechanism, the scraper knife and the supporting mechanism which are self-contained by the vehicle body are matched, the ground cinder is conveniently cleaned, and the safety is higher during discharging.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a multifunctional crawler carrier vehicle which aims at solving the technical problems of low efficiency and poor safety of the existing mechanical equipment used for coal mining.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a multifunctional crawler carrier, which comprises a crawler transmission mechanism, a headstock, a carriage, a front pushing shovel mechanism, a rear bracket mechanism, a balancing table, a power unit, a headstock, a lifting mechanism and a balancing mechanism, wherein the crawler transmission mechanism is arranged in a bilateral symmetry mode, the headstock is arranged at one side of the front end of the crawler transmission mechanism, the carriage is arranged above the crawler transmission mechanism, the front pushing shovel mechanism is arranged at the lower end of the headstock, the rear bracket mechanism is arranged at the rear side of the crawler transmission mechanism, the balancing table is arranged between the crawler transmission mechanisms, the power unit is arranged at the inner side of the balancing table and is used for driving the crawler transmission mechanism to walk, the headstock and the carriage are respectively arranged at the upper end of the balancing table, the lifting mechanism is arranged at the upper end of the balancing mechanism, the rear bracket mechanism is arranged in a bilateral symmetry mode, two groups of the rear bracket mechanism are arranged in grooves at the rear end of the rear bracket mechanism, a first number-pushing shovel shaft column is movably connected between the support and the rear bracket mechanism, a movable sleeve is arranged in each groove at the rear end of the rear bracket, a movable sleeve is arranged at the lower end of the movable sleeve, a movable sleeve is arranged at the inner side of the movable sleeve, a movable sleeve is arranged between the movable sleeve and the movable sleeve, a movable sleeve is connected with one side of the movable sleeve and a movable sleeve, the movable sleeve is close to the movable sleeve and one side of the movable sleeve is arranged near to the movable sleeve, and one side of the movable sleeve and is arranged at one side, and is far away from the movable sleeve, and is arranged, and is in front and near to a movable sleeve and is.

When the multifunctional crawler truck of the technical scheme is used, a man-driven truck is used, the man-driven truck walks in a coal mine tunnel through a crawler transmission mechanism, a material loading point is stopped down along the way, then a balance mechanism is started, a balance arm is driven to extend outwards through a built-in horizontal oil cylinder, then a vertical oil cylinder is started, a supporting leg is moved downwards until an expanded end at the bottom of the supporting leg is clung to the ground, a truck body is supported up, the effect of stabilizing the truck body is achieved, then a hoisting mechanism is started, a revolving platform is horizontally rotated, a primary suspension arm originally positioned above the truck body is rotated to the side surface of the truck body, a secondary suspension arm is outwards ejected through a hydraulic mechanism in the primary suspension arm, then a pulley block on the suspension arm is controlled to rotate, a cable is driven to descend, the material is hung on a hanging ring, then the material is reversely collected, the revolving platform is rotated, the material arrives above the truck body, the material is lowered into the truck body, then the hanging ring is released, the hoisting mechanism is reset and stopped, then the balancing mechanism is retracted, a user continues to drive the transport vehicle to walk, the steering motor is started, the movable shaft and the shovel blade are controlled to rotate downwards until the bottom surface of the shovel blade is tightly attached to the ground surface, in the walking process, the shovel blade is used for intensively shoveling and cleaning the residual cinder on the ground, the cinder at the edge of a roadway is driven by the linear motor to transversely move the shovel blade and tightly attach to the corner position of the roadway, the cinder at the edge of the roadway is conveniently cleaned, when the specified unloading place is reached, the second cable-stayed oil cylinder is started, the push support is downwards rotated along the first shaft column until the base plate is supported on the ground, the support and stabilization effect is achieved on the tail part of the transport vehicle, then the hydraulic unit in the opening and closing mechanism is used for transversely pushing the claw to move away from the door plate, the locking of the door plate is released, the first oil cylinder is started to upwards push the carriage, the carriage is overturned upwards and inclined by taking the middle shaft seat as the shaft center, and the materials are poured outwards from the door plate.

Further, the balance mechanism comprises two groups of horizontal oil cylinders arranged inside, balance arms movably connected to the left end and the right end of the balance mechanism, the balance arms are arranged on hydraulic output elements of the horizontal oil cylinders, the horizontal oil cylinders in the balance mechanism extend out of hydraulic actuating elements to the left side and the right side simultaneously, the balance arms are ejected out of the hollow balance mechanism to extend out, and the balance arms are matched with the balance mechanism to form a longer force arm, so that the anti-overturning capacity of the transport vehicle is improved.

Further, a vertical oil cylinder is arranged at one back end of the balance arm, a longitudinal telescopic cylindrical supporting leg is arranged on a hydraulic output element of the vertical oil cylinder, an expansion surface at the lower end of the supporting leg is supported on the ground surface, the vertical oil cylinder controls the supporting leg to extend downwards, a disc-shaped structure with the bottom expanded is tightly attached to the ground, the vehicle is jacked up by utilizing the reverse acting force of the ground, and the stability of the vehicle when the material is hoisted is improved through two-point support.

Further, the hoisting mechanism comprises a rotary table which drives horizontal circular motion through a motor, a primary suspension arm arranged at the upper end of the rotary table, a horizontal oil cylinder arranged in the primary suspension arm, and a secondary suspension arm movably connected to the inner side of the primary suspension arm, wherein the secondary suspension arm is arranged on a hydraulic output element of the horizontal oil cylinder, the bottom of the hoisting mechanism is provided with a driving motor, the rotary table is arranged on the output element of the driving motor, and the angle and the direction of hoisting materials are adjusted through horizontal rotation.

Further, the cable which is pulled to lift through the motor and the pulley block mechanism is arranged at the top end of the secondary suspension arm, the hanging ring with the spring locking mechanism is arranged at the bottom end of the cable, the hanging ring is the same as the cable mechanism of the existing crane equipment, the pulley block mechanism is driven through the motor arranged on the hoisting mechanism, the cable is lowered or retracted through rotation of the pulley, the hanging ring is close to a material, the spring lock is arranged at a notch of the hanging ring, and the hanging ring can be closed by itself, so that the material slipping is avoided.

Further, the opening and closing mechanism is installed to the carriage bottom, the opening and closing mechanism includes built-in hydraulic cylinder, the left and right symmetry of carriage rear end is provided with the jack catch, the jack catch connect in on the power take off element of opening and closing mechanism, the carriage rear end has the door plant through hinged joint, and the opening and closing mechanism embeds has hydraulic cylinder, and horizontal flexible hydraulic actuator control jack catch is kept away from or is close to carriage one side, opens the door plant through the impact force when the material naturally slides.

Further, a first cable-stayed oil cylinder is arranged at the upper end of the balancing stand, the bottom end of the carriage is connected to a hydraulic actuating element of the first cable-stayed oil cylinder through a universal head, a middle shaft seat is movably connected between the carriage and the balancing stand, the middle shaft seat is arranged on the right side of the first cable-stayed oil cylinder, the first cable-stayed oil cylinder stretches a hydraulic shaft rod obliquely upwards, the carriage is jacked to move upwards, meanwhile, the universal head rotates by a certain angle, the hydraulic shaft rod can accurately apply jacking force, the bottom of the carriage is movably connected to the balancing stand through the middle shaft seat, and the carriage is tilted by taking the middle shaft seat as an axle center.

Further, the second cable-stayed oil cylinder is installed at the upper end of the rear support mechanism, the connecting seat is installed at the upper end of the support, the connecting seat is movably connected to the hydraulic actuating element of the second cable-stayed oil cylinder, the second cable-stayed oil cylinder stretches the hydraulic shaft rod obliquely downwards, the support is pushed to overturn downwards by taking the first shaft column as the shaft center, the base plate is close to the ground, and along with the overturning of the support, the movable sleeve rotates along the second shaft column by self gravity, so that the bottom surface of the base plate is parallel to the ground.

Further, the steering motor is installed to locomotive lower extreme, loose axle one end fixed mounting in on the power take off element of steering motor, the guide rail upper end left and right sides with install the peg between the locomotive lower extreme, the power take off element of steering motor drives the loose axle and does circular motion, makes the scraper knife carry out the rotation of a small margin, and when its bottom of rotation hugs closely ground through rotatory, the in-process of walking is concentrated the cinder of shoveling up subaerial.

Further, the spout has been seted up to suspension roof beam upper end axial, locomotive lower extreme fixedly connected with slide bar, slide bar lower extreme swing joint in the spout is inboard, and when suspension roof beam passed through linear motor drive side-to-side movement, it passed through the swing joint of spout and slide bar, and stable left and right sideslip to fix suspension roof beam at locomotive lower extreme through the slide bar is firm, ensures the both sides of the tip perpendicular to tunnel of spiller.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: the multifunctional crawler carrier vehicle adopts the crawler traveling carrier vehicle, can move in a relatively complex geographic environment, is matched with a lifting mechanism with a telescopic lifting arm, can realize the loading and unloading functions of large materials, is provided with a front push shovel, can realize road surface leveling and obstacle clearing functions, has a self-unloading function of a carriage, can realize the automatic loading and unloading functions of the materials, is matched with a rear support mechanism with automatic support, can prevent the vehicle from lifting up due to unbalanced weight during self-unloading, has high safety, realizes the integrated functions of transporting, loading and unloading the materials and road surface cleaning leveling, reduces the labor intensity of workers and improves the working efficiency.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of a multi-functional crawler truck according to the present utility model;

FIG. 2 is a schematic perspective view of another embodiment of a multi-functional crawler carrier according to the present utility model;

FIG. 3 is a schematic diagram of the front structure of an embodiment of a multi-functional crawler;

FIG. 4 is a schematic elevational view of another embodiment of a multi-functional crawler in accordance with the present utility model;

FIG. 5 is a schematic view of a rear frame mechanism of an embodiment of a multi-functional crawler;

fig. 6 is a schematic structural view of a front pushing shovel mechanism of a specific embodiment of the multifunctional crawler carrier according to the present utility model.

The marks in the drawings are: 1. a track drive mechanism; 2. a balancing stand; 3. a headstock; 4. a carriage; 5. a hoisting mechanism; 6. a balancing mechanism; 7. a front push shovel mechanism; 8. a rear bracket mechanism; 9. a support; 10. a first shaft column; 11. a movable sleeve; 12. a backing plate; 13. a second shaft post; 14. a suspension beam; 15. a movable shaft; 16. a shovel blade; 17. a guide rail; 18. a linear motor; 19. a balance arm; 20. a vertical cylinder; 21. a support leg; 22. a rotary table; 23. a first-stage suspension arm; 24. a second-stage suspension arm; 25. a cable; 26. hanging rings; 27. an opening and closing mechanism; 28. a claw; 29. a door panel; 30. a first cable-stayed oil cylinder; 31. a middle shaft seat; 32. a second cable-stayed oil cylinder; 33. a connecting seat; 34. a steering motor; 35. a hanging rod; 36. a chute; 37. and a slide bar.

Detailed Description

The specific embodiment is used for a multifunctional crawler carrier, the three-dimensional structure of which is shown in fig. 1, the three-dimensional structure of which is shown in fig. 2, the front structure of which is shown in fig. 3, the front structure of which is shown in fig. 4, the structure of a rear bracket mechanism 8 is shown in fig. 5, and the structure of a front push shovel mechanism 7 is shown in fig. 6, the crawler carrier comprises a crawler transmission mechanism 1 which is arranged symmetrically left and right, a headstock 3 which is arranged at one side of the front end of the crawler transmission mechanism 1, a carriage 4 which is arranged above the crawler transmission mechanism 1, a front push shovel mechanism 7 which is arranged at the lower end of the headstock 3, a rear bracket mechanism 8 which is arranged at the rear side of the crawler transmission mechanism 1, a balance table 2 which is arranged between the crawler transmission mechanism 1, a power unit which is used for driving the crawler transmission mechanism 1 to move is arranged at the inner side of the balance table 2, the headstock 3 and the carriage 4 are both arranged at the upper end of the balancing stand 2, a hoisting mechanism 5 and a balancing mechanism 6 are arranged between the headstock 3 and the carriage 4, the hoisting mechanism 5 is arranged at the upper end of the balancing mechanism 6, two groups of rear bracket mechanisms 8 are symmetrically arranged left and right, a support 9 is arranged in a groove at the rear end of the rear bracket mechanism 8, a first shaft post 10 is movably connected between the support 9 and the rear bracket mechanism 8, a movable sleeve 11 is arranged in the groove at the rear end of the support 9, a backing plate 12 is arranged at the lower end of the movable sleeve 11, a second shaft post 13 is movably connected between the inner side of the movable sleeve 11 and the support 9, a suspension beam 14 is arranged on the side of the front push shovel mechanism 7 close to the crawler transmission mechanism 1, a shovel blade 16 is arranged on the side of the front push shovel mechanism 7 far away from the crawler transmission mechanism 1, one end of the shovel blade 16 close to the suspension beam 14 is fixedly connected with a movable shaft 15, the movable shaft 15 is movably connected to the inner side of the suspension beam 14, the side of the suspension beam 14, which is close to the crawler belt transmission mechanism 1, is provided with a guide rail 17 in parallel, and a linear motor 18 is arranged between the suspension beam 14 and the guide rail 17.

For the specific embodiment, the linear motor 18 directly converts electric energy into linear motion mechanical energy, the guide rail 17 is a magnetic track fixed with a magnet, the mover of the linear motor 18 comprises a coil winding, a Hall element circuit board, a thermistor and an electronic interface, the position of the mover in a magnetic field generated by the magnetic track is kept through the guide rail 17, the linear motor 18 is fed back by the linear encoder, the linear motor 18 is pushed by magnetic force to axially move along the guide rail 17, the shovel blade 16 is driven to transversely move left and right, and scattered coal materials at the corner positions of a roadway are cleaned.

Wherein the balance mechanism 6 comprises two groups of horizontal oil cylinders arranged inside, balance arms 19 movably connected with the left end and the right end of the balance mechanism 6, the balance arms 19 are arranged on hydraulic output elements of the horizontal oil cylinders, a vertical oil cylinder 20 is arranged at one end of the balance arms 19 opposite to the balance arms, a cylindrical supporting leg 21 which stretches longitudinally is arranged on the hydraulic output element of the vertical oil cylinder 20, an expanding surface at the lower end of the supporting leg 21 is supported on the ground surface, the hoisting mechanism 5 comprises a rotary table 22 which drives horizontal circular motion through a motor, a primary suspension arm 23 arranged at the upper end of the rotary table 22, the horizontal oil cylinders arranged inside the primary suspension arm 23, a secondary suspension arm 24 movably connected with the inner side of the primary suspension arm 23, the secondary suspension arm 24 is arranged on the hydraulic output element of the horizontal oil cylinders, a cable 25 which is pulled to be lifted through the motor and a pulley block mechanism is arranged at the top end of the secondary suspension arm 24, a hanging ring 26 with a spring locking mechanism is arranged at the bottom end of the cable 25, the horizontal cylinder in the balance mechanism 6 extends out of the hydraulic actuating elements at the left and right sides at the same time, the balance arm 19 is ejected out of the hollow balance mechanism 6 to be stretched out, a longer arm of force is formed by matching with the balance mechanism 6, the anti-overturning capacity of the transport vehicle is improved, the vertical cylinder 20 controls the supporting leg 21 to extend downwards, the disc-shaped structure with the bottom expanded is tightly attached to the ground, the vehicle is jacked up by the reverse acting force of the ground, the stability of the vehicle hoisting materials is improved by two-point support, the bottom of the hoisting mechanism 5 is provided with a driving motor, the rotary table 22 is arranged on the output element of the driving motor, the angle and the direction of the hoisting materials are adjusted through horizontal rotation, the pulley block mechanism is driven by the motor arranged on the hoisting mechanism 5, the cable 25 is lowered or retracted through the rotation of the pulley, the hanging ring 26 is close to the material, and a spring lock is arranged at the notch of the hanging ring 26, so that the hanging ring can be closed by itself, and the material is prevented from slipping.

Simultaneously, the opening and closing mechanism 27 is installed to carriage 4 bottom, opening and closing mechanism 27 includes built-in hydraulic cylinder, carriage 4 rear end bilateral symmetry is provided with jack catch 28, jack catch 28 is connected on opening and closing mechanism 27's power take off element, carriage 4 rear end has door plant 29 through hinged joint, balance table 2 upper end is installed first cable-stay hydro-cylinder 30, carriage 4 bottom passes through universal head to be connected on the hydraulic actuator of first cable-stay hydro-cylinder 30, swing joint has center pin seat 31 between carriage 4 and the balance table 2, center pin seat 31 sets up in first cable-stay hydro-cylinder 30 right side, rear bracket mechanism 8 upper end is installed No. two cable-stay hydro-cylinder 32, connecting seat 33 is installed to support 9 upper end, connecting seat 33 swing joint is on the hydraulic actuator of second cable-stay hydro-cylinder 32, the opening mechanism 27 installs hydraulic cylinder in, horizontal flexible hydraulic actuator control jack catch 28 keeps away from or is close to carriage 4 one side, open door plant 29 through the impact force when the material naturally slides down, the hydraulic spindle seat 30 extends hydraulic spindle 4 to the top, the top moves upward through the angle rotation is made to the carriage 4, simultaneously the universal head makes carriage jack-stay jack mount 4 exert the bottom in the carriage jack-stay hydro-cylinder 2 and can be the axis seat 31, the tie plate 12 is the bottom of the tie plate 12 is down in order to overturn the axis 12 along the axis 12 direction along the bottom of the axis 12, the bottom of the axis 12 is down in the tie plate 12, the tie plate 12 is down the axis 12 is down the movable axis 12 in the axis direction, the tie plate is down the axis 12 to the axis 12 is down the axis.

In addition, steering motor 34 is installed to locomotive 3 lower extreme, movable shaft 15 one end fixed mounting is on steering motor 34's power take off element, install peg 35 between rail 17 upper end left and right sides and locomotive 3 lower extreme, hanging beam 14 upper end axial has seted up spout 36, locomotive 3 lower extreme fixedly connected with slide bar 37, slide bar 37 lower extreme swing joint is inboard in spout 36, steering motor 34's power take off element drives movable shaft 15 and makes the scraper knife 16 carry out the circular motion, when its bottom of rotation hugs closely ground, with subaerial cinder concentrated scooping up in the course of going, hanging beam 14 is through the swing joint of spout 36 with slide bar 37 when driving left and right movement through linear motor 18, stable left and right sideslip, and firmly fix hanging beam 14 at locomotive 3 lower extreme through slide bar 37, ensure that the tip of scraper knife 16 is perpendicular to the both sides in tunnel.

When the multifunctional crawler truck of the technical scheme is used, a passenger transport truck walks in a coal mine tunnel through a crawler transmission mechanism 1, stops down at a material loading point along the way, then starts a balance mechanism 6, drives a balance arm 19 to extend outwards through a built-in horizontal oil cylinder, then starts a vertical oil cylinder 20, enables a supporting leg 21 to move downwards until an expanding end at the bottom of the supporting leg 21 is tightly attached to the ground, supports a truck body to stabilize the truck body, then starts a hoisting mechanism 5, enables a revolving platform 22 to rotate horizontally, enables a primary suspension arm 23 originally above a carriage 4 to rotate to the side surface of the carriage 4, enables a secondary suspension arm 24 to be ejected outwards through a hydraulic mechanism in the primary suspension arm 23, then controls pulley blocks on the suspension arm to rotate, drives a cable 25 to descend, hangs materials on a hanging ring 26, then reversely withdraws and lifts the materials, and simultaneously rotates the revolving platform 22, the materials reach the upper part of the carriage 4, the materials are lowered into the carriage 4, then the hanging rings 26 are released, the hoisting mechanism 5 is reset and stopped, then the balance mechanism 6 is retracted, a user continues to drive the transport vehicle to walk, the steering motor 34 is started, the movable shaft 15 and the shovel blade 16 are controlled to rotate downwards until the bottom surface of the shovel blade 16 is tightly attached to the ground surface, the shovel blade 16 is used for intensively shoveling and cleaning the residual cinder on the ground in the walking process, the cinder at the edge of a roadway is driven to transversely move left and right by starting the linear motor 18 and tightly attached to the corner position of the roadway, the cinder at the edge of the roadway is cleaned, when the specified unloading place is reached, the second diagonal-pulling oil cylinder 32 is started, the support 9 is pushed to rotate downwards along the first shaft post 10 until the base plate 12 is supported on the ground, the tail part of the transport vehicle is supported and stabilized, then the hydraulic unit in the opening and closing mechanism 27 is used for opening and closing, the horizontal pushing claw 28 moves to be separated from the door plate 29, the locking of the door plate 29 is released, the first inclined pulling oil cylinder 30 is started to push the carriage 4 upwards, the carriage 4 turns upwards and inclines by taking the middle shaft seat 31 as the shaft center, and materials are poured outwards from the door plate 29.

Claims (10)

1. The multifunctional crawler carrier comprises a crawler transmission mechanism (1) which is arranged in bilateral symmetry, a headstock (3) which is arranged on one side of the front end of the crawler transmission mechanism (1), a carriage (4) which is arranged above the crawler transmission mechanism (1), a front pushing shovel mechanism (7) which is arranged at the lower end of the headstock (3) and a rear bracket mechanism (8) which is arranged on the rear side of the crawler transmission mechanism (1); the crawler belt transmission mechanism is characterized in that a balancing table (2) is arranged between the crawler belt transmission mechanisms (1), a power unit for driving the crawler belt transmission mechanisms (1) to walk is arranged on the inner side of the balancing table (2), a headstock (3) and a carriage (4) are both arranged at the upper end of the balancing table (2), a hoisting mechanism (5) and a balancing mechanism (6) are arranged between the headstock (3) and the carriage (4), the hoisting mechanism (5) is arranged at the upper end of the balancing mechanism (6), two groups of rear bracket mechanisms (8) are symmetrically arranged left and right, a support (9) is arranged in a groove at the rear end of the rear bracket mechanisms (8), a first shaft column (10) is movably connected between the support (9) and the rear bracket mechanisms (8), a movable sleeve (11) is arranged in the groove at the rear end of the support (9), a backing plate (12) is arranged at the lower end of the movable sleeve (11), a second shaft column (13) is movably connected between the inner side of the movable sleeve (11) and the support (9), a front pushing knife (7) is arranged near one side of the crawler belt transmission mechanism (1), a pushing knife (16) is arranged on one side of the pushing mechanism (1), the scraper knife (16) is close to one end of the suspension beam (14) and fixedly connected with a movable shaft (15), the movable shaft (15) is movably connected to the inner side of the suspension beam (14), a guide rail (17) is arranged on one side of the suspension beam (14) close to the crawler belt transmission mechanism (1) in parallel, and a linear motor (18) is arranged between the suspension beam (14) and the guide rail (17).

2. The multifunctional crawler carrier vehicle according to claim 1, wherein the balancing mechanism (6) comprises two groups of horizontal cylinders mounted inside, balancing arms (19) movably connected to the left and right ends of the balancing mechanism (6), and the balancing arms (19) are mounted on hydraulic output elements of the horizontal cylinders.

3. A multi-functional crawler carrier according to claim 2, wherein the balance arm (19) is provided with a vertical cylinder (20) at one end facing away from the balance arm, a longitudinally telescopic cylindrical support leg (21) is provided on a hydraulic output element of the vertical cylinder (20), and an enlarged surface at the lower end of the support leg (21) is supported on the ground surface.

4. The multifunctional crawler carrier vehicle according to claim 1, wherein the hoisting mechanism (5) comprises a rotary table (22) driven by a motor to horizontally and circularly move, a primary suspension arm (23) arranged at the upper end of the rotary table (22), a horizontal cylinder arranged in the primary suspension arm (23), and a secondary suspension arm (24) movably connected to the inner side of the primary suspension arm (23), wherein the secondary suspension arm (24) is arranged on a hydraulic output element of the horizontal cylinder.

5. The multifunctional crawler carrier vehicle according to claim 4, wherein a cable (25) for traction and lifting by a motor and pulley block mechanism is arranged at the top end of the secondary suspension arm (24), and a hanging ring (26) with a spring locking mechanism is arranged at the bottom end of the cable (25).

6. The multifunctional crawler carrier vehicle according to claim 1, wherein an opening and closing mechanism (27) is installed at the bottom end of the carriage (4), the opening and closing mechanism (27) comprises a built-in hydraulic cylinder, clamping claws (28) are symmetrically arranged at the rear end of the carriage (4) left and right, the clamping claws (28) are connected to a power output element of the opening and closing mechanism (27), and a door plate (29) is connected to the rear end of the carriage (4) through a hinge.

7. The multifunctional crawler carrier vehicle according to claim 1, wherein a first cable-stayed cylinder (30) is installed at the upper end of the balancing stand (2), the bottom end of the carriage (4) is connected to a hydraulic actuating element of the first cable-stayed cylinder (30) through a universal head, a middle shaft seat (31) is movably connected between the carriage (4) and the balancing stand (2), and the middle shaft seat (31) is arranged on the right side of the first cable-stayed cylinder (30).

8. The multifunctional crawler carrier vehicle according to claim 1, wherein a second diagonal cylinder (32) is mounted at the upper end of the rear bracket mechanism (8), a connecting seat (33) is mounted at the upper end of the support (9), and the connecting seat (33) is movably connected to a hydraulic actuating element of the second diagonal cylinder (32).

9. The multifunctional crawler carrier vehicle according to claim 1, wherein a steering motor (34) is installed at the lower end of the vehicle head (3), one end of the movable shaft (15) is fixedly installed on a power output element of the steering motor (34), and a hanging rod (35) is installed between the left side and the right side of the upper end of the guide rail (17) and the lower end of the vehicle head (3).

10. The multifunctional crawler carrier vehicle according to claim 1, wherein a sliding groove (36) is axially formed in the upper end of the suspension beam (14), a sliding rod (37) is fixedly connected to the lower end of the vehicle head (3), and the lower end of the sliding rod (37) is movably connected to the inner side of the sliding groove (36).

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