CN219860433U - Large-scale flexible arm of transport - Google Patents

Abstract

The utility model discloses a large-scale carrying telescopic arm, and relates to the technical field of telescopic arms. The movable arm type lifting device comprises a base, wherein a movable arm moving seat is slidably arranged at the top of the base, a transmission wheel set is arranged between the base and the movable arm moving seat, a main arm seat is arranged at the top of the movable arm moving seat, amplitude adjusting oil cylinders for lifting the main arm seat are arranged on the left side and the right side of the movable arm moving seat, a main carrying arm is slidably arranged at the top of the main arm seat, a transmission gear and a transmission rack are arranged between the main arm seat and the main carrying arm, a transmission assembly is arranged in the main carrying arm, and a carrying platform is slidably arranged in the main carrying arm. According to the utility model, through the arrangement of the protective device, the bearing platform, the main carrying arm, the elastic friction plate and the trapezoid block are matched to enable the elastic friction plate to tilt upwards, so that the problem that goods drop out of the bearing platform due to forward displacement of goods due to inertia effect on the bearing platform is avoided.

Description

Large-scale flexible arm of transport

Technical Field

The utility model relates to the technical field of telescopic arms, in particular to a large-range conveying telescopic arm.

Background

With the development of technology, robots are increasingly used. Robotics has now entered an intelligent development stage. The intelligent telescopic carrying mechanical arm is an automatic device with the function of grabbing and moving workpieces, which is used in the automatic production process, and is a novel device developed in the mechanized and automatic production process.

Patent publication number CN210452806U discloses a multisection telescopic mechanical arm, including arm fixed plate, telescopic machanism, synchro-mechanism and drive mechanism, telescopic machanism includes the same arm of multisection structure, and wherein first section arm sets up on the arm fixed plate, and adjacent two sections arms overlap each other and connect, drive mechanism drives first section arm round trip movement, and the mutual extrusion through synchro-mechanism promotes its relative same-speed motion between the adjacent arm, synchro-mechanism is given the arm behind with power transmission in proper order to realize that multisection arm is flexible section by section according to the precedence order. The mechanical arm is simple and reasonable in structure, light in weight, compact in structure, small in size, light in weight and convenient to assemble, and the follow-up work provides a simple modularized device.

However, the following problems exist in the current mechanical arm: this arm is moving to goods and placing the department with the goods transportation, and when the arm drive loading platform stopped, the goods receives inertial action very easily and takes place the displacement forward on loading platform to make the goods drop out loading platform easily, the goods drops and easily causes the injury to the staff, consequently, we have proposed a flexible arm of extensive transport.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the large-range carrying telescopic arm, and solves the problems that the mechanical arm provided in the background art is easy to displace forward under the inertia action when the mechanical arm drives the bearing platform to stop when the goods are transported to the goods placement position, so that the goods are easy to drop out of the bearing platform, and the workers are easily damaged when the goods drop out.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a flexible arm of large tracts of land transport, includes the base, the top slidable mounting of base has movable arm to remove the seat, and is equipped with the drive wheelset between base and the movable arm to remove the seat, the top that movable arm removed the seat is provided with main arm seat, and the left side and the right side that movable arm removed the seat are provided with the luffing adjustment hydro-cylinder that is used for promoting main arm seat, the top slidable mounting of main arm seat has main carrier arm, and is equipped with drive gear and drive rack between main arm seat and the main carrier arm, the inside of main carrier arm is provided with drive assembly, the inside slidable mounting of main carrier arm has the loading platform, the loading platform is fixed at drive assembly's removal end, still includes protector, stabilising arrangement and anti-warp device;

the protection device comprises a shape returning frame, two trapezoid blocks and two elastic friction plates, wherein the shape returning frame is embedded and fixed at the top of a main carrying arm, the two trapezoid blocks are respectively fixed at the left side and the right side of the top of the shape returning frame, the two elastic friction plates are respectively fixed at the left side and the right side of a carrying platform, the inclined planes of the trapezoid blocks are positioned on the movement track of the elastic friction plates, and the inclined planes of the trapezoid blocks push the elastic friction plates to tilt upwards, so that the problem that goods drop out of the carrying platform due to the fact that the goods are easily displaced forwards under the inertia action on the carrying platform is avoided.

Preferably, the protection device further comprises an L-shaped rod and four contact supporting rods, the four contact supporting rods are slidably mounted on the left side and the right side of the bearing platform, the L-shaped rod is fixed at the top of the contact supporting rods, sliding grooves are formed in the front face and the back face of the elastic friction plate, one end, far away from the contact supporting rods, of the L-shaped rod is slidably mounted inside the sliding grooves of the elastic friction plate, protruding blocks are fixed at the top of the return frame, the protruding blocks of the return frame are located on the movement track of the contact supporting rods, meanwhile, the protruding blocks of the return frame push the contact supporting rods to drive the L-shaped rods to move, and the L-shaped rods drive the elastic friction plate to swing upwards, so that the elastic friction plate pushes goods to move towards the middle of the bearing platform, and the probability of goods displacement is reduced.

Preferably, the stabilizing device comprises two elastic telescopic rods, an I-shaped wheel and a lubricating device, wherein the two elastic telescopic rods are respectively fixed at the left side and the right side of the bottom of a main carrying arm, the I-shaped wheel rotates to be installed at the bottom of the elastic telescopic rods, a torsion spring is arranged between the I-shaped wheel and the outer wall of the elastic telescopic rods, the left side and the right side of the bottom of the base are inclined planes, the inclined planes of the base are positioned on the movement track of the I-shaped wheel, the lubricating device is arranged at one side, far away from the base, of the elastic telescopic rods, and under the action of the elasticity of the elastic telescopic rods, the elastic telescopic rods are abutted against the ground, so that the main carrying arm is supported in an auxiliary mode by the elastic telescopic rods, and the problem that after the main carrying arm extends, the stress load of the base is increased, and the base is damaged easily caused.

Preferably, the stabilizing device further comprises a push rod, a spring rod and a net surface arc plate, the push rod is fixed at the middle part of a rotating shaft of the I-shaped wheel, the spring rod is fixed at the top surface of the push rod, the net surface arc plate is fixed at one end of the spring rod, which is far away from the push rod, and meanwhile, when the lubricating oil in the base is sufficient, the I-shaped wheel drives the net surface arc plate to scrape impurities in the base outwards through the push rod and the spring rod, so that the problem that impurities in the base affect the movement of the movable arm moving seat is avoided, and the lubricating oil can pass through the net surface arc plate to be left in the base.

Preferably, the lubricating device comprises an oil spraying tank, a few-shaped nozzle and a pressing piece, wherein the oil spraying tank is fixed on one side of the elastic telescopic rod, which is far away from the base, the few-shaped nozzle is fixed on the bottom of the oil spraying tank, the pressing piece is arranged on the bottom of the oil spraying tank and is used for controlling lubricating oil in the oil spraying tank to be sprayed out from the few-shaped nozzle, meanwhile, when the lubricating oil in the base is insufficient, friction between the I-shaped wheel and the bottom of the inner wall of the base is increased, the I-shaped wheel drives the ejector rod to push the pressing piece to spray the lubricating oil in the oil spraying tank through the few-shaped nozzle, so that the purpose of lubricating the inside of the base is achieved, friction loss of a transmission wheel set in the base is reduced, and the service life of the transmission wheel set in the base is prolonged.

Preferably, the lubricating device further comprises an L-shaped inclined plate and a plug rod, the L-shaped inclined plate is slidably mounted on the outer wall of the elastic telescopic rod, a spring is arranged between the L-shaped inclined plate and the oil injection box, the plug rod is slidably mounted inside the several-shaped nozzle, the top of the plug rod penetrates through the inner wall of the top of the several-shaped nozzle and is fixedly connected with the bottom of the L-shaped inclined plate, when the elastic telescopic rod drives the I-shaped wheel to move out of the base, under the action of the elastic force of the spring corresponding to the L-shaped inclined plate, the L-shaped inclined plate drives the plug rod to plug the several-shaped nozzle, and therefore the problem that lubricating oil can be sprayed out from the several-shaped nozzle when the I-shaped wheel contacts with the bottom surface is avoided, and the lubricating oil is wasted is caused.

Preferably, the skew device of preventing includes two-way telescopic column, two splint and direction swash plate, two the left side and the right side at loading platform are fixed to two-way telescopic column, two splint are fixed respectively in the flexible end department at two-way telescopic column openly and the back, the direction swash plate is fixed at the top of splint, and the direction swash plate leads the material to make the material place on loading platform in the middle, simultaneously under the elasticity effect of two-way telescopic column for two-way telescopic column drives splint and carries out the centre gripping to the goods, thereby improved loading platform transportation stability, and the direction swash plate protrusion is twenty centimetres in the splint one side that is close to loading platform, because the direction swash plate protrusion is twenty centimetres in the splint one side that is close to loading platform, consequently the direction swash plate protrusion part can shelter from the goods upper portion, thereby avoided the goods can appear the problem of upwards drunkenness in the transportation.

Preferably, the anti-skew device further comprises a pull rod, a folding bag and a suction nozzle, wherein the pull rod is fixed on one side opposite to the two clamping plates, two grooves are formed in the top of the bearing platform, one end of the folding bag is embedded and fixed on one side inner wall of the groove of the bearing platform, which is close to the clamping plates, the suction nozzle is fixed on the other end of the folding bag, the suction nozzle is slidably mounted inside the groove of the bearing platform, one side of the suction nozzle, which is close to the clamping plates, is fixedly connected with one end, which is far away from the clamping plates, of the pull rod, meanwhile, the guide inclined plate drives the pull rod to move through the clamping plates, the clamping plates stretch the folding bag through the pull rod and the suction nozzle, negative pressure is generated at the suction nozzle, and accordingly the suction nozzle adsorbs and fixes goods, and stability of the bearing platform during transportation is further improved.

The utility model provides a large-range carrying telescopic arm. The beneficial effects are as follows:

(1) According to the utility model, through the arrangement of the protection device, the bearing platform, the main carrying arm, the elastic friction plate and the trapezoid block are matched to enable the elastic friction plate to tilt upwards, so that the problem that goods drop out of the bearing platform due to forward displacement of goods due to inertia effect on the bearing platform is avoided; meanwhile, the loop-shaped frame, the abutting rods, the bearing platform and the L-shaped rods are matched to drive the elastic friction plate to swing upwards, so that the elastic friction plate pushes goods to move towards the middle of the bearing platform, and the probability of displacement of the goods is reduced.

(2) According to the utility model, through the arrangement of the stabilizing device, under the action of the elasticity of the elastic telescopic rod, the elastic telescopic rod is abutted against the ground, so that the elastic telescopic rod carries out auxiliary support on the main carrying arm, and the problem that the base is easy to damage due to the fact that the stress load of the base is increased after the main carrying arm extends is avoided; simultaneously main carrier arm, elasticity telescopic link, base, I shape wheel and ejector pin cooperation make the bullet pole drive the net face arc board and outwards scrape out the impurity of base inside to avoided the inside impurity of base to influence the movable arm and remove the problem that the seat removed, lubricating oil then can pass net face arc board and stay inside the base.

(3) According to the utility model, through the arrangement of the lubricating device, when the lubricating oil in the base is insufficient, the I-shaped wheel, the base, the ejector rod, the pressing piece and the oil injection box are matched to enable the lubricating oil to be sprayed out through the several-shaped nozzles, so that the purpose of lubricating the inside of the base is achieved, the friction loss of the transmission wheel set in the base is reduced, and the service life of the transmission wheel set in the base is prolonged; meanwhile, the L-shaped inclined plate and the plug rod block the several-shaped nozzles, so that the problem that lubricating oil is wasted due to the fact that lubricating oil can be sprayed out of the several-shaped nozzles when the bottom surfaces of the I-shaped wheels are contacted is avoided.

(4) According to the utility model, through the arrangement of the skew-preventing device, the guiding inclined plate guides the material, so that the material is placed on the bearing platform in the middle, and meanwhile, under the elastic action of the bidirectional telescopic column, the bidirectional telescopic column drives the clamping plate to clamp the goods, so that the stability of the bearing platform in transportation is improved; the guide inclined plate protrudes from one side of the clamping plate, which is close to the bearing platform, by twenty centimeters, so that the protruding part of the guide inclined plate can shield the upper part of the goods, and the problem that the goods can move upwards during transportation is avoided; meanwhile, the negative pressure is generated at the suction nozzle by the cooperation of the guide inclined plate, the clamping plate, the pull rod and the folding bag, so that the suction nozzle adsorbs and fixes cargoes, and the stability of the carrying platform during transportation is further improved.

Drawings

FIG. 1 is a schematic diagram of the overall utility model;

FIG. 2 is a schematic view of a protective device according to the present utility model;

FIG. 3 is a schematic view of a stabilization device of the present utility model;

FIG. 4 is a schematic rear view of the stabilization device of the present utility model;

FIG. 5 is a schematic view of a lubrication apparatus of the present utility model;

fig. 6 is a schematic view of the skew preventing apparatus of the present utility model.

In the figure: 1. a base; 11. a movable arm moving seat; 12. a main arm base; 13. a main carrying arm; 14. a transmission assembly; 15. a load-bearing platform; 2. a protective device; 21. a shape-returning frame; 22. a trapezoid block; 23. an elastic friction plate; 24. an L-shaped rod; 25. a touch-up rod; 3. a stabilizing device; 31. an elastic telescopic rod; 32. an I-shaped wheel; 33. a push rod; 34. a spring rod; 35. a face arc plate; 4. a skew prevention device; 41. a bidirectional telescopic column; 42. a clamping plate; 43. a guide sloping plate; 44. a pull rod; 45. folding the bag; 46. a suction nozzle; 5. a lubrication device; 51. an oil spraying tank; 52. a nozzle in the shape of a few; 53. a pressing member; 54. an L-shaped sloping plate; 55. a plug rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-4, the present utility model provides a technical solution: the large-range carrying telescopic arm comprises a base 1, wherein a movable arm moving seat 11 is slidably arranged at the top of the base 1, a transmission wheel set is arranged between the base 1 and the movable arm moving seat 11, a main arm seat 12 is arranged at the top of the movable arm moving seat 11, variable amplitude adjusting cylinders for lifting the main arm seat 12 are arranged on the left side and the right side of the movable arm moving seat 11, a main carrying arm 13 is slidably arranged at the top of the main arm seat 12, a transmission gear and a transmission rack are arranged between the main arm seat 12 and the main carrying arm 13, a transmission assembly 14 is arranged in the main carrying arm 13, a bearing platform 15 is slidably arranged in the main carrying arm 13, and the bearing platform 15 is fixed at the moving end of the transmission assembly 14 and further comprises a protecting device 2 and a stabilizing device 3;

the protection device 2 comprises a square frame 21, two trapezoid blocks 22 and two elastic friction plates 23, wherein the square frame 21 is embedded and fixed at the top of the main carrying arm 13, the two trapezoid blocks 22 are respectively fixed at the left side and the right side of the top of the square frame 21, the two elastic friction plates 23 are respectively fixed at the left side and the right side of the carrying platform 15, inclined planes of the trapezoid blocks 22 are positioned on the movement track of the elastic friction plates 23, and the inclined planes of the trapezoid blocks 22 push the elastic friction plates 23 to tilt upwards, so that the problem that cargoes easily subjected to inertia action on the carrying platform 15 to displace forwards, and the cargoes fall out of the carrying platform 15 is avoided.

The protection device 2 further comprises an L-shaped rod 24 and four contact supporting rods 25, the four contact supporting rods 25 are slidably arranged on the left side and the right side of the bearing platform 15, the L-shaped rod 24 is fixed at the top of the contact supporting rods 25, sliding grooves are formed in the front face and the back face of the elastic friction plate 23, one end, far away from the contact supporting rods 25, of the L-shaped rod 24 is slidably arranged inside the sliding grooves of the elastic friction plate 23, a bump is fixed at the top of the return frame 21, the bump of the return frame 21 is located on the movement track of the contact supporting rods 25, meanwhile, the bump of the return frame 21 pushes the contact supporting rods 25 to drive the L-shaped rod 24 to move, the L-shaped rod 24 drives the elastic friction plate 23 to swing upwards, and accordingly the elastic friction plate 23 pushes goods to move towards the middle position of the bearing platform 15, and the probability of goods displacement is reduced.

The stabilizing device 3 comprises two elastic telescopic rods 31 and an I-shaped wheel 32, wherein the two elastic telescopic rods 31 are respectively fixed at the left side and the right side of the bottom of the main carrying arm 13, the I-shaped wheel 32 is rotatably arranged at the bottom of the elastic telescopic rods 31, a torsion spring is arranged between the I-shaped wheel 32 and the outer wall of the elastic telescopic rods 31, the left side and the right side of the bottom of the base 1 are inclined surfaces, the inclined surfaces of the base 1 are positioned on the movement track of the I-shaped wheel 32, and the elastic telescopic rods 31 are abutted against the ground under the action of the elasticity of the elastic telescopic rods 31, so that the elastic telescopic rods 31 support the main carrying arm 13 in an auxiliary mode, and the problem that the base 1 is easy to damage due to the fact that the stress load of the base 1 is increased after the main carrying arm 13 extends is avoided.

The stabilizing device 3 further comprises a push rod 33, a spring rod 34 and a net surface arc plate 35, wherein the push rod 33 is fixed in the middle of a rotating shaft of the I-shaped wheel 32, the spring rod 34 is fixed on the top surface of the push rod 33, the net surface arc plate 35 is fixed at one end of the spring rod 34 far away from the push rod 33, and meanwhile, when the lubricating oil in the base 1 is sufficient, the I-shaped wheel 32 drives the net surface arc plate 35 to scrape impurities in the base 1 outwards through the push rod 33 and the spring rod 34, so that the problem that impurities in the base 1 influence the movement of the movable arm moving seat 11 is avoided, and the lubricating oil can pass through the net surface arc plate 35 to remain in the base 1.

When the device is used, goods are placed on the bearing platform 15, the transmission wheel sets corresponding to the movable arm moving seat 11 and the main arm seat 12 are started, the transmission wheel sets drive the main arm seat 12 to slide left and right at the top of the movable arm moving seat 11, the amplitude-variable adjusting oil cylinders corresponding to the main arm seat 12 and the main carrying arm 13 are started, the amplitude-variable adjusting oil cylinder shell adjusts the height of the main carrying arm 13, the transmission assembly 14 is started, the transmission assembly 14 drives the bearing platform 15 to move left and right along the top of the main carrying arm 13, so that the carrying platform 15 transports the goods, meanwhile, when the bearing platform 15 moves left and right along the top of the main carrying arm 13, the bearing platform 15 drives the elastic friction plates 23 to synchronously move, and when the mechanical arm drives the bearing platform 15 to stop, the inclined surfaces of the trapezoid blocks 22 push the elastic friction plates 23 to tilt upwards, so that the goods are prevented from easily moving forward under the inertia action on the bearing platform 15, and the problem that the goods fall out of the bearing platform 15 is avoided; meanwhile, the bump of the return frame 21 pushes the contact rod 25 to move upwards along the bearing platform 15, the contact rod 25 drives the L-shaped rod 24 to move synchronously, the L-shaped rod 24 slides along the inside of the sliding groove of the elastic friction plate 23, and the L-shaped rod 24 drives the elastic friction plate 23 to swing upwards, so that the elastic friction plate 23 pushes goods to move towards the middle of the bearing platform 15, and the probability of displacement of the goods is reduced.

Meanwhile, when the main carrying arm 13 extends outwards to transport cargoes, the main carrying arm 13 drives the elastic telescopic rod 31 to move out of the base 1, and under the elastic action of the elastic telescopic rod 31, the elastic telescopic rod 31 can collide with the ground, so that the elastic telescopic rod 31 carries out auxiliary support on the main carrying arm 13, and the problem that after the main carrying arm 13 extends, the stress load of the base 1 is increased, and the base 1 is easily damaged is avoided; simultaneously, in the process that the main carrying arm 13 drives the elastic telescopic rod 31 to move out of the base 1, the elastic telescopic rod 31 drives the I-shaped wheel 32 to synchronously move out of the base 1, when the lubricating oil in the base 1 is sufficient, under the action of the elasticity of the torsion spring corresponding to the I-shaped wheel 32, the torsion spring does work on the I-shaped wheel 32, at the moment, the base 1 cannot abut against the I-shaped wheel 32 to rotate, the I-shaped wheel 32 drives the net surface arc plate 35 to scrape impurities in the base 1 outwards through the ejector rod 33 and the elastic rod 34, and therefore the problem that the impurities in the base 1 influence the movable arm moving seat 11 to move is avoided, and the lubricating oil passes through the net surface arc plate 35 to remain in the base 1.

Example two

Referring to fig. 1-6, in the first embodiment, the lubrication device 5 and the skew preventing device 4 are further included;

the lubrication device 5 comprises an oil spraying tank 51, a plurality of nozzles 52 and a pressing piece 53, wherein the oil spraying tank 51 is fixed on one side, far away from the base 1, of the elastic telescopic rod 31, the plurality of nozzles 52 are fixed on the bottom of the oil spraying tank 51, the pressing piece 53 is arranged on the bottom of the oil spraying tank 51, the pressing piece 53 is used for controlling lubricating oil in the oil spraying tank 51 to be sprayed out from the plurality of nozzles 52, meanwhile, when the lubricating oil in the base 1 is insufficient, the friction between the I-shaped wheel 32 and the bottom of the inner wall of the base 1 is increased, the I-shaped wheel 32 drives the ejector rod 33 to push the pressing piece 53 to spray the lubricating oil in the oil spraying tank 51 through the plurality of nozzles 52, and therefore the purpose of lubricating the inside of the base 1 is achieved, friction loss of a transmission wheel set in the base 1 is reduced, and the service life of the transmission wheel set in the base 1 is prolonged.

The lubrication device 5 further comprises an L-shaped inclined plate 54 and a plug rod 55, the L-shaped inclined plate 54 is slidably mounted on the outer wall of the elastic telescopic rod 31, a spring is arranged between the L-shaped inclined plate 54 and the oil injection box 51, the plug rod 55 is slidably mounted inside the several-shaped nozzle 52, the top of the plug rod 55 penetrates through the inner wall of the top of the several-shaped nozzle 52 and is fixedly connected with the bottom of the L-shaped inclined plate 54, when the elastic telescopic rod 31 drives the I-shaped wheel 32 to move out of the base 1, under the action of the elastic force of the spring corresponding to the L-shaped inclined plate 54, the L-shaped inclined plate 54 drives the plug rod 55 to block the several-shaped nozzle 52, and therefore the problem that lubricating oil can be sprayed out from the several-shaped nozzle 52 when the I-shaped wheel 32 is in contact with the bottom surface is avoided, and the lubricating oil is wasted is caused.

The anti-skew device 4 comprises two bidirectional telescopic columns 41, two clamping plates 42 and a guide inclined plate 43, wherein the two bidirectional telescopic columns 41 are fixed on the left side and the right side of the bearing platform 15, the two clamping plates 42 are respectively fixed at the telescopic ends of the front side and the back side of the bidirectional telescopic columns 41, the guide inclined plate 43 is fixed at the top of the clamping plates 42, and the guide inclined plate 43 guides materials, so that the materials are placed on the bearing platform 15 in the middle, meanwhile, under the elastic action of the bidirectional telescopic columns 41, the bidirectional telescopic columns 41 drive the clamping plates 42 to clamp the goods, so that the stability of the bearing platform 15 during transportation is improved, the guide inclined plate 43 protrudes out of one side, close to the bearing platform 15, of the clamping plates 42 by twenty centimeters, and the protruding parts of the guide inclined plate 43 can shield the upper parts of the goods, so that the problem of upward movement of the goods during transportation can be avoided.

The anti-skew device 4 further comprises a pull rod 44, a folding bag 45 and a suction nozzle 46, wherein the pull rod 44 is fixed on the opposite sides of the two clamping plates 42, two grooves are formed in the top of the bearing platform 15, one end of the folding bag 45 is embedded and fixed on the inner wall of one side, close to the clamping plates 42, of the groove of the bearing platform 15, the suction nozzle 46 is fixed on the other end of the folding bag 45, the suction nozzle 46 is slidably mounted in the groove of the bearing platform 15, one side, close to the clamping plates 42, of the suction nozzle 46 is fixedly connected with one end, far from the clamping plates 42, of the pull rod 44, meanwhile, the guide inclined plate 43 drives the pull rod 44 to move through the clamping plates 42, the clamping plates 42 stretch the folding bag 45 through the pull rod 44 and the suction nozzle 46, and negative pressure is generated at the suction nozzle 46, so that the suction nozzle 46 adsorbs and fixes cargoes, and stability during transportation of the bearing platform 15 is further improved.

When the oil spraying device is used, when the elastic telescopic rod 31 drives the I-shaped wheel 32 to move into the base 1 every time and the lubricating oil in the base 1 is insufficient, the friction force between the I-shaped wheel 32 and the bottom of the inner wall of the base 1 is increased, at the moment, the I-shaped wheel 32 drives the ejector rod 33 to swing upwards, the ejector rod 33 pushes the pressing piece 53 to spray the lubricating oil in the oil spraying box 51 through the several-shaped nozzles 52, so that the aim of lubricating the inside of the base 1 is fulfilled, the friction loss of a transmission wheel set in the base 1 is reduced, and the service life of the transmission wheel set in the base 1 is prolonged; when the main carrying arm 13 drives the elastic telescopic rod 31 to move out of the base 1, the elastic telescopic rod 31 drives the I-shaped inclined plate 32 to move out of the base 1, under the action of the corresponding spring force of the L-shaped inclined plate 54, the L-shaped inclined plate 54 drives the plug rod 55 to move downwards along the inner wall of the several-shaped nozzle 52, and the plug rod 55 plugs the several-shaped nozzle 52, so that the problem of waste of lubricating oil caused by the fact that lubricating oil can be sprayed out of the several-shaped nozzle 52 when the I-shaped wheel 32 is in contact with the bottom surface is avoided, when the elastic telescopic rod 31 drives the I-shaped wheel 32 to move into the base 1, the base 1 abuts against the inclined surface of the L-shaped inclined plate 54 to drive the L-shaped inclined plate 54 to move upwards, and the L-shaped inclined plate 54 drives the plug rod 55 to move upwards along the inner wall of the several-shaped nozzle 52, so that the plug rod 55 does not plug the several-shaped nozzle 52, and the lubricating oil can be sprayed out of the several-shaped nozzle 52.

When goods are placed on the bearing platform 15, the guide inclined plate 43 guides the materials, so that the materials are placed on the bearing platform 15 in the middle, and meanwhile, under the elastic action of the bidirectional telescopic column 41, the bidirectional telescopic column 41 drives the clamping plate 42 to clamp the goods, so that the stability of the bearing platform 15 in transportation is improved; because the guide inclined plate 43 protrudes from one side of the clamping plate 42, which is close to the bearing platform 15, twenty centimeters, the protruding part of the guide inclined plate 43 can shield the upper part of the goods, so that the problem that the goods can move upwards during transportation is avoided; meanwhile, in the goods placing process, the goods push the guide inclined plate 43 to drive the clamping plate 42 to move in the direction away from the bearing platform 15, the clamping plate 42 drives the pull rod 44 to move, the pull rod 44 pulls the suction nozzle 46 to squeeze the folding bag 45, when the goods move to the downward position of the protruding part of the guide inclined plate 43, the two-way telescopic column 41 drives the clamping plate 42 to clamp the goods, the clamping plate 42 stretches the folding bag 45 through the pull rod 44 and the suction nozzle 46, the folding bag 45 sucks air and negative pressure is generated at the suction nozzle 46, and therefore the suction nozzle 46 adsorbs and fixes the goods, and stability of the bearing platform 15 during transportation is further improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (8)

1. The utility model provides a flexible arm of large tracts of land transport, includes base (1), the top slidable mounting of base (1) has movable arm to remove seat (11), and is equipped with drive wheelset between base (1) and movable arm to remove seat (11), the top that movable arm removed seat (11) is provided with main arm seat (12), and the left side and the right side that movable arm removed seat (11) are provided with the luffing jib that is used for promoting main arm seat (12), the top slidable mounting of main arm seat (12) has main carrier arm (13), and is equipped with drive gear and drive rack between main arm seat (12) and main carrier arm (13), the inside of main carrier arm (13) is provided with drive assembly (14), the inside slidable mounting of main carrier arm (13) has loading platform (15), loading platform (15) are fixed at the removal end of drive assembly (14), its characterized in that: the device also comprises a protection device (2), a stabilizing device (3) and an anti-skew device (4);

the protection device (2) comprises a return frame (21), two trapezoid blocks (22) and two elastic friction plates (23), wherein the return frame (21) is embedded and fixed at the top of a main carrying arm (13), the two trapezoid blocks (22) are respectively fixed at the left side and the right side of the top of the return frame (21), the two elastic friction plates (23) are respectively fixed at the left side and the right side of a bearing platform (15), and inclined planes of the trapezoid blocks (22) are positioned on the movement track of the elastic friction plates (23).

2. The wide reach carrier telescoping arm of claim 1, wherein: the protection device (2) further comprises an L-shaped rod (24) and four contact supporting rods (25), the four contact supporting rods (25) are slidably mounted on the left side and the right side of the bearing platform (15), the L-shaped rod (24) is fixed at the top of the contact supporting rods (25), sliding grooves are formed in the front face and the back face of the elastic friction plate (23), one end, away from the contact supporting rods (25), of the L-shaped rod (24) is slidably mounted inside the sliding grooves of the elastic friction plate (23), protruding blocks are fixed on the top of the loop-shaped frame (21), and the protruding blocks of the loop-shaped frame (21) are located on the movement track of the contact supporting rods (25).

3. The wide reach carrier telescoping arm of claim 1, wherein: the stabilizing device (3) comprises two elastic telescopic rods (31), an I-shaped wheel (32) and a lubricating device (5), wherein the two elastic telescopic rods (31) are respectively fixed on the left side and the right side of the bottom of a main carrying arm (13), the I-shaped wheel (32) is rotatably arranged at the bottom of the elastic telescopic rods (31), torsion springs are arranged between the I-shaped wheel (32) and the outer wall of the elastic telescopic rods (31), the left side and the right side of the bottom of the base (1) are inclined surfaces, the inclined surfaces of the base (1) are located on the movement track of the I-shaped wheel (32), and the lubricating device (5) is arranged on one side, far away from the base (1), of the elastic telescopic rods (31).

4. A wide-reach boom as set forth in claim 3, wherein: the stabilizing device (3) further comprises a push rod (33), a spring rod (34) and a net surface arc plate (35), wherein the push rod (33) is fixed in the middle of a rotating shaft of the I-shaped wheel (32), the spring rod (34) is fixed on the top surface of the push rod (33), and the net surface arc plate (35) is fixed at one end, far away from the push rod (33), of the spring rod (34).

5. A wide-reach boom as set forth in claim 3, wherein: the lubricating device (5) comprises an oil spraying tank (51), a few-shaped nozzle (52) and a pressing piece (53), wherein the oil spraying tank (51) is fixed on one side, far away from the base (1), of the elastic telescopic rod (31), the few-shaped nozzle (52) is fixed at the bottom of the oil spraying tank (51), the pressing piece (53) is arranged at the bottom of the oil spraying tank (51), and the pressing piece (53) is used for controlling lubricating oil in the oil spraying tank (51) to be sprayed out from the few-shaped nozzle (52).

6. The wide reach carrier telescoping arm of claim 5, wherein: the lubricating device (5) further comprises an L-shaped inclined plate (54) and a plug rod (55), wherein the L-shaped inclined plate (54) is slidably mounted on the outer wall of the elastic telescopic rod (31), a spring is arranged between the L-shaped inclined plate (54) and the oil injection box (51), the plug rod (55) is slidably mounted inside the several-shaped nozzle (52), and the top of the plug rod (55) penetrates through the inner wall of the top of the several-shaped nozzle (52) and is fixedly connected with the bottom of the L-shaped inclined plate (54).

7. The wide reach carrier telescoping arm of claim 1, wherein: the anti-skew device (4) comprises two bidirectional telescopic columns (41), two clamping plates (42) and a guide inclined plate (43), wherein the two bidirectional telescopic columns (41) are fixed on the left side and the right side of the bearing platform (15), the two clamping plates (42) are respectively fixed at the telescopic ends of the front side and the back side of the bidirectional telescopic columns (41), the guide inclined plate (43) is fixed at the top of the clamping plates (42), and the guide inclined plate (43) protrudes out of one side, close to the bearing platform (15), of the clamping plates (42) by twenty centimeters.

8. The wide reach carrier telescoping arm of claim 7, wherein: the anti-skew device (4) further comprises a pull rod (44), a folding bag (45) and a suction nozzle (46), wherein the pull rod (44) is fixed on one side opposite to the two clamping plates (42), two grooves are formed in the top of the bearing platform (15), one end of the folding bag (45) is embedded and fixed on one side inner wall of the groove of the bearing platform (15) close to the clamping plates (42), the suction nozzle (46) is fixed on the other end of the folding bag (45), the suction nozzle (46) is slidably mounted inside the groove of the bearing platform (15), and one side, close to the clamping plates (42), of the suction nozzle (46) is fixedly connected with one end, away from the clamping plates (42), of the pull rod (44).