CN114508300B - Ladder car with material transporting trolley and working method - Google Patents
Ladder car with material transporting trolley and working method Download PDFInfo
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- CN114508300B CN114508300B CN202111640475.3A CN202111640475A CN114508300B CN 114508300 B CN114508300 B CN 114508300B CN 202111640475 A CN202111640475 A CN 202111640475A CN 114508300 B CN114508300 B CN 114508300B
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
- E06C5/32—Accessories, e.g. brakes on ladders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Transportation (AREA)
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Abstract
The utility model discloses a aerial ladder trolley with a material conveying trolley and a working method, wherein the aerial ladder trolley comprises an aerial ladder trolley base, a rotary working platform, an aerial ladder group and an aerial ladder conveying trolley, the aerial ladder conveying trolley comprises a trolley underframe, a nonlinear connecting rod vibration damping bracket and an electromagnetic vibration feeder, the nonlinear connecting rod vibration damping bracket is divided into two bracket parts which are symmetrical left and right, the bracket parts are composed of elastic elements and two groups of V-shaped connecting rods, and the electromagnetic vibration feeder is composed of a material bin, an electromagnetic excitation device, a reset spring and a counterweight base; the electromagnetic vibration feeder is combined into the aerial ladder transportation trolley, the material bin is made to vibrate reciprocally under the preset frequency through the electromagnetic excitation device, materials in the material bin are output through the material outlet, the labor force demand for carrying the materials is reduced, meanwhile, the confusion caused by direct dumping is avoided, the nonlinear connecting rod vibration reduction support is adopted to reduce vibration, and good bearing capacity and stability are achieved based on the nonlinear structure of the V-shaped connecting rod and the elastic element.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a stair car with a material conveying trolley and a working method.
Background
The aerial ladder truck is a tool truck capable of conveying personnel, rescue matters, rescue trapped personnel, spraying fire extinguishing agents, building materials and working equipment to the high altitude, the aerial ladder truck is mainly provided with an telescopic aerial ladder, and in engineering construction, the aerial ladder is required to be used as a channel when in high-rise operation or deep well operation, and the aerial ladder conveying trolley moves on the aerial ladder to realize transportation operation at two height positions. The aerial ladder material conveying trolley is a special operation vehicle for conveying materials to a building by utilizing vehicle-mounted aerial ladder equipment, is suitable for high-altitude operation of large, medium and small city building groups, has the advantages of simplicity and convenience in operation, high flexibility, wide application range, high working efficiency and the like, but is well known that materials required to be conveyed by the aerial ladder material conveying trolley generally have the characteristics of a large quantity and high quality, can not be poured like a hanging basket in the unloading process, and can cause a large amount of labor waste if manual conveying is adopted, the working efficiency is reduced, the aerial ladder material conveying trolley comprises a goods shelf (hopper), a trolley underframe and the like, the goods shelf (hopper) is assembled on the trolley underframe, a plurality of rollers are arranged on the trolley underframe, and the rollers roll along the aerial ladder telescopic arm support. In the rolling process of the roller along the aerial ladder telescopic boom, the roller is in hard contact collision with the aerial ladder telescopic boom, the vibration of the trolley underframe is obvious, the vibration of the trolley underframe can cause a certain influence on the operation of the aerial ladder conveying trolley, the running stability of the aerial ladder conveying trolley is poor, and the vibration of the trolley underframe also generates noise with larger decibels. In addition, the aerial ladder material conveying trolley for conveying materials is connected and fixed only through the steel cable, and the aerial ladder material conveying trolley ascends and descends through traction of the steel cable. However, once the steel cable is broken by accident, the aerial ladder transporting trolley can slide down out of control and even drop out of the aerial ladder, so that the safety problem of personnel in the aerial ladder transporting trolley and personnel around the aerial ladder trolley is caused.
For the defect that the aerial ladder conveying trolley conveys materials, engineers make a series of improvement researches, for example, chinese patent CN201922097873.X discloses an aerial ladder trolley with mechanical buckets, which comprises an aerial ladder trolley body, wherein the aerial ladder trolley body comprises a trolley head, a trolley body and an aerial ladder; the scaling ladder is arranged on the vehicle body, and the mechanical bucket is arranged on the scaling ladder in a sliding manner; the mechanical bucket comprises a mechanical bucket platform serving as the bottom, wherein the front end of the mechanical bucket platform is hinged with a front baffle, the rear end of the mechanical bucket platform is hinged with a rear baffle, and the left end and the right end of the mechanical bucket platform are correspondingly hinged with a left baffle and a right baffle respectively; handle locks are arranged on the left baffle and the right baffle. The mechanical bucket has two forms of folding and unfolding, can be adjusted according to the type, size and quantity of the transported goods, is non-closed, and enhances the convenience and stability of ventilation and rope binding. Chinese patent CN201922146527.6 discloses a self-unloading skip structure for aerial ladder and a feeding cart with the self-unloading skip structure, comprising a skip body, wherein the upper end of the skip body is opened to form a loading and unloading port, and the interior of the skip body is formed into a material loading space; a bottom frame located below the dump body; a rocker mechanism is hinged between the tipping bucket body and the bottom frame; the tipping bucket body turns over towards the front side through the rocker mechanism; the tipping bucket body has a tipping angle of 0-80 degrees towards the front side, and the tipping bucket structure adopts a double-rocker four-bar structure, so that the tipping bucket body can be ensured to have a larger tipping angle when being tipped, and the unloading requirement is met; meanwhile, the tipping bucket body can be turned over by means of the rocker mechanism, so that impact on the ladder arm structure is avoided, and the service life of the device is prolonged.
Aiming at the influence of vibration of a trolley chassis on walking stability in an aerial ladder conveying trolley, china patent CN202021359469.1 discloses an aerial ladder carrying assembly vibration damper, a vehicle-mounted aerial ladder and an aerial ladder trolley, wherein the aerial ladder carrying assembly vibration damper is hinged to the middle position of a first support frame above the left side and the right side of one end of the trolley chassis, and the middle position of the first support frame is hinged to the lower side of the left side and the right side of the other end of the trolley chassis, and two ends of the first support frame are both rotationally connected with a first roller; the lower part of the left side and the right side of one end of the trolley underframe is hinged with one end of a second support frame, the upper part of the left side and the right side of the other end of the trolley underframe is hinged with one end of the second support frame, the other end of the second support frame is rotationally connected with a second roller, and an elastic piece is connected between the second support frame and the trolley underframe. In the process that the roller rolls along the scaling ladder telescopic boom slideway, the buffer between the roller and the scaling ladder telescopic boom is realized through the single-wheel vibration reduction mechanism, the vibration of the trolley underframe is obviously reduced, and the running noise of the trolley underframe is extremely low.
Aiming at the problem of accident breakage of the steel cable, chinese patent CN202021351109.7 discloses a locking rope device, a vehicle-mounted aerial ladder and a aerial ladder vehicle. One end of the traction rope is connected with the trolley chassis, when the traction rope is in a tensioning state, the traction rope is attached to the brake frame, and the brake frame is in a pose which does not swing downwards. According to the utility model, when the traction rope is loosened or broken, the speed reduction frame is used for reducing the speed of the trolley underframe, and the brake frame is used for forcedly braking the trolley underframe on the basis of reducing the speed of the speed reduction frame.
However, according to the research in the prior art, for the defect of transporting materials by the aerial ladder transporting trolley, a tipping bucket or an adjustable mechanical bucket is generally adopted to solve the problem of transporting materials, but the ordered output of materials with large quantity and large mass is still not solved, and the materials need to be manually transported or are directly dumped in a tipping bucket mode. The vibration of the trolley underframe adopts a vibration damping mechanism to realize the buffer between the roller and the aerial ladder telescopic boom, but the vibration damping mechanism adopts a linear vibration damping mode of a spring, and recently developed nonlinear vibration damping is not considered yet. The design of the speed reducing frame and the brake frame is an effective mode aiming at the problem that the steel cable breaks off due to accident, but the design is somewhat complex.
Disclosure of Invention
It is an object of the present utility model to solve at least the above problems and to provide at least the advantages to be described later.
It is still another object of the present utility model to provide a ladder truck and a working method thereof, in which an electromagnetic vibration feeder is incorporated into the ladder truck, a material bin is reciprocated at a predetermined frequency by an electromagnetic excitation device, and materials in the material bin are output through a material outlet, so that the labor force requirement for transporting the materials is reduced, and at the same time, confusion caused by direct dumping is avoided, vibration is reduced by adopting a nonlinear connecting rod vibration reduction bracket, and good bearing capacity and stability are realized based on a nonlinear structure of a V-shaped connecting rod and an elastic element, so as to solve the problems set forth in the above-mentioned background art.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, a ladder truck with a transporting trolley and a working method thereof are provided, the technical scheme is as follows:
scaling ladder car with fortune material dolly includes scaling ladder car base, rotary working platform, scaling ladder group and scaling ladder travelling bogie, its characterized in that:
the rotary working platform is characterized in that a front rotating shaft seat and a rear rotating shaft seat are respectively arranged on two sides of the rotary working platform, an aerial ladder traction motor and a travelling bogie traction motor are arranged on one side, close to the front rotating shaft seat, of the rotary working platform, the front rotating shaft seat is hinged with a cylinder group through a rotating shaft, the rear rotating shaft seat is hinged with the bottom end of the aerial ladder group through the rotating shaft, the aerial ladder group comprises a supporting aerial ladder and a movable aerial ladder, and a fixed pulley block which is rotatably arranged on the top end of the movable aerial ladder;
the aerial ladder transportation trolley comprises a trolley underframe, a nonlinear connecting rod vibration reduction support and an electromagnetic vibration feeder, wherein the trolley underframe is connected with the electromagnetic vibration feeder through the nonlinear connecting rod vibration reduction support, the nonlinear connecting rod vibration reduction support is divided into two support parts which are bilaterally symmetrical, the support parts of the nonlinear connecting rod vibration reduction support are composed of an elastic element and two groups of V-shaped connecting rods, the middle parts of the V-shaped connecting rods are rotationally connected through a rotating shaft, a top plate is connected to the middle rotating shaft of each V-shaped connecting rod, two ends of the elastic element are respectively fixedly connected with the top plates of the two groups of V-shaped connecting rods, the electromagnetic vibration feeder is composed of a material bin, an electromagnetic excitation device, a reset spring and a counterweight base, the reset spring is uniformly distributed around the counterweight base, the counterweight base is connected with the material bin through the reset spring, the electromagnetic excitation device comprises a vibration feeding controller, a plurality of groups of electromagnetic coils and a plurality of armatures, the electromagnetic coils are fixedly connected to the middle parts of the upper parts of the counterweight base, and the armatures are fixedly connected to the middle parts of the bottom surfaces of the material bin.
Preferably, the aerial ladder truck base is modified by the locomotive and the frame part of truck, be provided with the plummer through shaped steel reinforcement on the aerial ladder truck base, both sides fixed mounting has the rectangle sleeve pipe around the plummer, the extension branch pipe rather than internal surface complex has been cup jointed respectively at rectangle sheathed tube both ends, the both ends lateral wall of rectangle sheathed tube sets up the fastening bolt that is used for fixed extension branch pipe position respectively, the top of extension branch pipe is connected with the flexible bracing piece of vertical setting, two spouts have been seted up at the middle part of plummer, rotary working platform's bottom and spout cooperation, just rotary working platform passes through the form of bolt-up along the spout and installs on the plummer.
Preferably, the rotary working platform comprises a bottom plate, a slewing mechanism and a supporting plate from bottom to top, wherein the slewing mechanism adopts a worm gear commonly used by an automobile crane to support the slewing mechanism, the cylinder group comprises two symmetrically arranged cylinders, and the top end of the cylinder group is fixedly connected with the bottom surface of the supporting scaling ladder.
Preferably, the aerial ladder traction motor and the transportation trolley traction motor are respectively connected with a winding wheel, a traction rope is wound on the winding wheels, the aerial ladder traction motor is connected with the movable aerial ladder after being turned around the fixed pulley block through the traction rope, and the transportation trolley traction motor is connected with the aerial ladder transportation trolley after being turned around the fixed pulley block through the traction rope.
Preferably, the main body frame of the aerial ladder group is formed by connecting angle steel and steel plates, the lengths of the supporting aerial ladder and the movable aerial ladder are equal, the movable aerial ladder is sleeved with the supporting aerial ladder, and the movable aerial ladder extends out from one end of the supporting aerial ladder.
Preferably, a material outlet is formed in one side of the material bin, material guiding discs are fixed on two sides and the bottom of the material outlet, a guide groove vertically fixed on the side wall of the material bin is formed in the upper portion of the material outlet, a bin door is mounted in sliding fit in the guide groove, an iron push-pull plate is connected to the top end of the bin door, and an electromagnet fixed on the side wall of the material bin is arranged above the iron push-pull plate.
Preferably, the bottom surface slope of material storehouse sets up and is between 10-30 degrees with the contained angle of horizontal plane, solenoid and armature's quantity is equal and the interval sets up, solenoid and armature's position are parallel and there is the air gap between solenoid and the armature, the counter weight base level sets up, vibration feeding controller adopts GZ electromagnetic vibration feeder controller, through circuit connection between vibration feeding controller and the solenoid.
Preferably, the front part of the trolley underframe is connected with an iron elastic poking piece, the top end of the elastic poking piece is connected with a brake block, four rollers are rotationally connected around the trolley underframe, the brake block is adjacent to the rollers of the trolley underframe, and an electromagnetic winding arranged on the trolley underframe is arranged on the lower side of the elastic poking piece.
A working method of a stair car with a material conveying trolley comprises the following steps:
stopping the aerial ladder truck to a working position, pulling an extension branch pipe according to the field condition and the working requirement, fixing the position of the extension branch pipe through a fastening bolt, starting a telescopic support rod to provide support for an aerial ladder truck base, adjusting a rotary working platform to a preset angle, starting a cylinder group to adjust and support the included angle between the aerial ladder and the horizontal plane, adjusting the position of a movable aerial ladder through a winding wheel and a traction rope connected with an aerial ladder traction motor, adjusting the position of the aerial ladder transportation trolley through a winding wheel and a traction rope connected with a transportation trolley traction motor, adding materials to be transported into a material bin when the aerial ladder transportation trolley descends to the bottom end of the aerial ladder group, lifting the aerial ladder transportation trolley to the top end of the aerial ladder group through the transportation trolley traction motor, attracting an iron push-pull plate through an electromagnet, enabling a bin door to slide upwards along a guide groove, starting an electromagnetic excitation device after alternating current is introduced into an electromagnetic coil, the electromagnetic coil alternately attracts and releases the armature, exciting force is generated between the electromagnetic coil and the armature, potential energy is generated in the reset spring, the exciting force is superposed with elastic restoring force of the reset spring, 180-degree phase difference exists between the motion of the material bin and the motion of the counterweight base, so that the material bin vibrates reciprocally under preset frequency, the material bin forms a throwing angle, materials in the material bin are output through the material outlet, the vibration frequency of the material bin is determined by the frequency of current, the frequency of the current is regulated by the vibration feeding controller, the solution of automatically conveying the materials is formed, when the aerial ladder transportation trolley walks on the aerial ladder group, vibration caused by hard contact collision is reduced through the nonlinear connecting rod vibration reduction bracket, the V-shaped connecting rod is compressed downwards when the nonlinear connecting rod vibration reduction bracket receives the pressure of the material bin, the elastic elements connected in the middle of the two groups of V-shaped connecting rods correspondingly undergo displacement change, and the electromagnetic vibration feeder is kept stable under the action of the V-shaped connecting rods and the elastic elements, so that the compression shrinkage of the nonlinear connecting rod vibration reduction support is realized based on the nonlinear structure of the V-shaped connecting rods and the elastic elements, the nonlinear structure has adjustable nonlinear rigidity and damping characteristics, and therefore, the nonlinear connecting rod vibration reduction support has good bearing capacity and stability, when a steel cable breaks due to accident, an electromagnetic winding is started to attract an elastic poking piece, a brake piece is contacted with rollers of a trolley chassis, and the stable operation of an aerial ladder transportation trolley to the bottom end of the aerial ladder group is assisted.
The utility model at least comprises the following beneficial effects:
1. according to the utility model, the electromagnetic vibration feeder is combined into the aerial ladder transportation trolley, the material bin is vibrated reciprocally under the preset frequency through the electromagnetic excitation device, and the materials in the material bin are output through the material outlet, so that the labor force requirement for carrying the materials is reduced, and meanwhile, the confusion caused by direct dumping is avoided;
2. the vibration of the chassis of the trolley can cause a certain influence on the running of the aerial ladder conveying trolley, so that the running stability of the aerial ladder conveying trolley is poor;
3. if the steel cable is broken by accident, the aerial ladder transporting trolley can slide down out of control, the utility model adopts the form that the electromagnetic winding attracts the elastic shifting plate to control the position of the brake block, and the stable sliding down of the aerial ladder transporting trolley is realized by a simple structure.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a left side view of the present utility model;
FIG. 3 is a right side view of the present utility model;
FIG. 4 is a right side view of the present utility model;
FIG. 5 is a top view of the present utility model;
FIG. 6 is a front view of an aerial ladder transport cart;
FIG. 7 is a right side view of the aerial ladder transport cart;
FIG. 8 is a left side view of the aerial ladder transport cart;
FIG. 9 is a right side view of the aerial ladder transport cart;
FIG. 10 is a cross-sectional view of an aerial ladder transport cart;
fig. 11 is a longitudinal section view of an aerial ladder transport cart.
In the figure: 1. scaling ladder car base; 2. rotating the working platform; 3. scaling ladder group; 4. aerial ladder transportation trolley; 5. a front rotating shaft seat; 6. a rear rotating shaft seat; 7. scaling ladder traction motor; 8. traction motor of transport trolley; 9. a cylinder group; 10. supporting the scaling ladder; 11. a movable aerial ladder; 12. a fixed pulley block; 13. a trolley underframe; 14. a nonlinear connecting rod vibration reduction bracket; 15. an electromagnetic vibratory feeder; 16. an elastic element; 17. v-shaped connecting rod; 18. a material bin; 19. an electromagnetic excitation device; 20. a return spring; 21. a counterweight base; 22. a vibration feed controller; 23. an electromagnetic coil; 24. an armature; 25. a carrying platform; 26. a rectangular sleeve; 27. extending the branch pipe; 28. a fastening bolt; 29. a telescopic support rod; 30. a chute; 31. a winding wheel; 32. a traction rope; 33. a material outlet; 34. a material guiding disc; 35. a guide groove; 36. a bin gate; 37. an iron push-pull plate; 38. an electromagnet; 39. an elastic poking piece; 40. a brake pad; 41. electromagnetic windings.
Detailed Description
The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
According to the figures 1-11, the utility model provides a stair car with a material conveying trolley and a working method, and the technical scheme is as follows:
the aerial ladder truck with the material conveying trolley comprises an aerial ladder truck base 1, a rotary working platform 2, an aerial ladder group 3 and an aerial ladder conveying trolley 4, wherein the rotary working platform 2 comprises a bottom plate, a slewing mechanism and a supporting plate from bottom to top, the slewing mechanism adopts a worm gear type supporting slewing mechanism commonly used by an automobile crane, two sides of the rotary working platform 2 are respectively provided with a front rotating shaft seat 5 and a rear rotating shaft seat 6, one side, close to the front rotating shaft seat 5, of the rotary working platform 2 is provided with an aerial ladder traction motor 7 and a conveying trolley traction motor 8, the aerial ladder traction motor 7 and the conveying trolley traction motor 8 are respectively connected with a winding wheel 31, a traction rope 32 is connected onto the winding wheel 31 in a winding way, the traction rope 32 adopts a steel cable, the front rotating shaft seat 5 is hinged with a cylinder group 9 through a rotating shaft, the cylinder group 9 comprises two symmetrically arranged cylinders, the top end of the cylinder group 9 is fixedly connected with the bottom surface of the supporting the aerial ladder 10, the cylinder group 9 has the function of providing supporting force for the aerial ladder group 3, changing the included angle between the aerial ladder group 3 and the horizontal plane, the rear rotating shaft seat 6 is hinged with the bottom end of the aerial ladder group 3 through a rotating shaft, the aerial ladder group 3 is a walking channel of the aerial ladder transporting trolley 4, the aerial ladder group 3 expands the application range of the aerial ladder transporting trolley 4, the aerial ladder transporting trolley 4 can bear the transporting function of high-rise operation, the aerial ladder group 3 comprises a supporting aerial ladder 10 and a movable aerial ladder 11, the top end of the movable aerial ladder 11 is provided with a fixed pulley block 12 which is rotatably arranged, the fixed pulley block 12 has the function of changing the winding direction of a traction rope 32, the main body frame of the aerial ladder group 3 is formed by connecting angle steel and a steel plate, the lengths of the supporting aerial ladder 10 and the movable aerial ladder 11 are equal, the movable aerial ladder 11 is sleeved between the movable aerial ladder 11 and the supporting aerial ladder 10, and the movable aerial ladder 11 extends from one end of the supporting aerial ladder 10, the movable aerial ladder 11 moves along the direction of supporting the aerial ladder 10, the aerial ladder traction motor 7 is connected with the movable aerial ladder 11 after being turned around the fixed pulley block 12 through the traction rope 32, and the transportation trolley traction motor 8 is connected with the aerial ladder transportation trolley 4 after being turned around the fixed pulley block 12 through the traction rope 32;
the aerial ladder transportation trolley 4 comprises a trolley underframe 13, a nonlinear connecting rod vibration reduction bracket 14 and an electromagnetic vibration feeder 15, wherein the trolley underframe 13 is connected with the electromagnetic vibration feeder 15 through the nonlinear connecting rod vibration reduction bracket 14, the trolley underframe 13 provides bearing and running functions, the nonlinear connecting rod vibration reduction bracket 14 is used for providing nonlinear vibration reduction functions superior to spring vibration reduction, the stability of the electromagnetic vibration feeder 15 is kept, the nonlinear connecting rod vibration reduction bracket 14 is divided into two bracket parts which are symmetrical left and right, the bracket parts of the nonlinear connecting rod vibration reduction bracket 14 are composed of an elastic element 16 and two groups of V-shaped connecting rods 17, the middle parts of the V-shaped connecting rods 17 are rotationally connected through rotating shafts, the rotating shafts of the middle parts of the V-shaped connecting rods 17 are connected with top plates, two ends of the elastic element 16 are fixedly connected with the top plates of the two groups of the V-shaped connecting rods 17 respectively, the V-shaped connecting rods 17 move up and down to cause the expansion and compression of the elastic element 16, the middle part of the V-shaped connecting rod 17 is rotationally connected through a rotating shaft, the force conduction mode is the vertical direction of the two sections of V-shaped connecting rods 17, the direction of force changes when the V-shaped connecting rod 17 moves, the installation mode of the elastic element 16 is combined, the nonlinear structure vibration damping effect of the nonlinear connecting rod vibration damping bracket 14 is realized, the electromagnetic vibration feeder 15 consists of a material bin 18, an electromagnetic excitation device 19, a reset spring 20 and a counterweight base 21, the reset spring 20 is uniformly distributed on the periphery of the counterweight base 21, the counterweight base 21 is connected with the material bin 18 through the reset spring 20, the electromagnetic excitation device 19 comprises a vibration feeding controller 22, a plurality of electromagnetic coils 23 and a plurality of armatures 24, the electromagnetic coils 23 are fixedly connected to the upper middle part of the counterweight base 21, the armatures 24 are fixedly connected to the middle part of the bottom surface of the material bin 18, the bottom surface of the material bin 18 is obliquely arranged and has an included angle of 10-30 degrees with the horizontal plane, the electromagnetic coils 23 and the armatures 24 are equally and alternately arranged, the positions of the electromagnetic coils 23 and the armatures 24 are parallel, an air gap exists between the electromagnetic coils 23 and the armatures 24, the counterweight base 21 is horizontally arranged, the vibration feeding controller 22 adopts a GZ type electromagnetic vibration feeder 15 controller, the vibration feeding controller 22 is connected with the electromagnetic coils 23 through a circuit, one side of the material bin 18 is provided with a material outlet 33, both sides and the bottom of the material outlet 33 are fixedly provided with material guiding discs 34, materials flow through the material guiding discs 34 to be output through the material outlet 33, a guide groove 35 vertically fixed on the side wall of the material bin 18 is arranged above the material outlet 33, the bin gate 36 is slidably matched and installed in the guide groove 35, the top end of the bin gate 36 is connected with an iron push-pull plate 37, an electromagnet 38 fixed on the side wall of the material bin 18 is arranged above the iron push-pull plate 37, the front part of the trolley underframe 13 is connected with an iron elastic shifting piece 39, the top end of the elastic shifting piece 39 is connected with a brake block 40, four rollers are rotationally connected around the trolley underframe 13, the brake block 40 is adjacent to the rollers of the trolley underframe 13, the brake block 40 is used for providing friction resistance for the rollers on the trolley underframe 13 in emergency, an electromagnetic winding 41 is arranged on the lower side of the elastic shifting piece 39, and the electromagnetic winding 41 is used for attracting the elastic shifting piece 39 to enable the brake block 40 to be attached to and contact the rollers on the trolley underframe 13;
the aerial ladder truck base 1 is modified by the locomotive and the frame part of truck, be provided with the plummer 25 through shaped steel reinforcement on the aerial ladder truck base 1, the front and back both sides fixed mounting of plummer 25 has rectangular sleeve 26, the extension branch pipe 27 rather than internal surface complex has been cup jointed respectively at rectangular sleeve 26's both ends, rectangular sleeve 26's both ends lateral wall sets up the fastening bolt 28 that is used for fixed extension branch pipe 27 position respectively, extension branch pipe 27's effect is the extension braced range, offset the lever effect that aerial ladder travelling bogie 4 caused with aerial ladder group 3 operation, extension branch pipe 27's top is connected with the flexible bracing piece 29 of vertical setting, two spouts 30 have been seted up at the middle part of plummer 25, rotary working platform 2's bottom and spout 30 cooperation, and rotary working platform 2 installs on plummer 25 through the form of bolt-up along spout 30.
A working method of a stair car with a material conveying trolley comprises the following steps:
stopping the aerial ladder truck to a working position, pulling an extension branch pipe 27 according to the field condition and the working requirement, fixing the position of the extension branch pipe 27 through a fastening bolt 28, starting a telescopic support rod 29 to provide support for the aerial ladder truck base 1, adjusting a rotary working platform 2 to a preset angle, starting a cylinder group 9 to adjust and support the included angle between the aerial ladder 10 and the horizontal plane, adjusting the position of a movable aerial ladder 11 through a winding wheel 31 and a traction rope 32 connected with an aerial ladder traction motor 7, adjusting the position of an aerial ladder transportation trolley 4 through a winding wheel 31 and a traction rope 32 connected with a transportation trolley traction motor 8, adding materials to be transported into a material bin 18 when the aerial ladder transportation trolley 4 descends to the bottom end of the aerial ladder group 3, lifting the aerial ladder transportation trolley 4 to the top end of the aerial ladder group 3 through a transportation trolley traction motor 8, attracting an iron push-pull plate 37 through an electromagnet 38, the bin gate 36 slides upwards along the guide groove 35 to open, the electromagnetic excitation device 19 is started, after alternating current is supplied to the electromagnetic coil 23, the electromagnetic coil 23 alternately attracts and releases the armature 24, excitation force is generated between the electromagnetic coil 23 and the armature 24, potential energy is generated in the reset spring 20 in the process, the excitation force is overlapped with elastic restoring force of the reset spring 20, 180-degree phase difference exists between the motion of the material bin 18 and the motion of the counterweight base 21, so that the material bin 18 vibrates reciprocally under preset frequency, the material bin 18 forms a throwing angle, materials in the material bin 18 are output through the material outlet 33, the vibration frequency of the material bin 18 is determined by the frequency of current, the frequency of the current is regulated through the vibration feeding controller 22, a solution for automatically conveying the materials is formed, when the aerial ladder transportation trolley 4 walks on the aerial ladder set 3, vibration caused by hard contact collision is reduced by the nonlinear connecting rod vibration reduction support 14, the V-shaped connecting rods 17 are compressed downwards when the nonlinear connecting rod vibration reduction support 14 is subjected to pressure of the material bin 18, the elastic elements 16 connected in the middle of the two groups of V-shaped connecting rods 17 correspondingly change in displacement, and the electromagnetic vibration feeder 15 is kept stable under the action of the V-shaped connecting rods 17 and the elastic elements 16, so that compression and shrinkage of the nonlinear connecting rod vibration reduction support 14 are realized on the basis of the nonlinear structures of the V-shaped connecting rods 17 and the elastic elements 16, the nonlinear structures have adjustable nonlinear rigidity and damping characteristics, the nonlinear connecting rod vibration reduction support 14 has good bearing capacity and stability, when a steel cable accident breaks, the electromagnetic winding 41 is started to attract the elastic poking sheets 39, the brake sheets 40 are in contact with rollers of the trolley underframe 13, and the stable operation of the aerial ladder transportation trolley 4 is assisted to the bottom end of the aerial ladder set 3.
In the scheme, the utility model pointedly solves 3 problems in the prior art, the materials to be transported by the aerial ladder transporting trolley generally have the characteristics of large quantity and large mass, the trolley underframe 13 can not be inclined like a hanging basket in the unloading process, and a great amount of labor force is wasted and the working efficiency is reduced if manual transportation is adopted, the electromagnetic vibration feeder 15 is combined into the aerial ladder transporting trolley 4, the material bin 18 is vibrated back and forth under the preset frequency through the electromagnetic excitation device 19, the materials in the material bin 18 are output through the material outlet 33, the labor force requirement for transporting the materials is reduced, the confusion caused by direct inclination is avoided, the trolley underframe 13 is obviously vibrated due to rigid contact collision in the running process of the aerial ladder transporting trolley, the running stability of the aerial ladder transporting trolley is poor due to the fact that the vibration of the aerial ladder underframe 13 is vibrated, the vibration of the nonlinear vibration damping bracket 14 is adopted, the good bearing capacity and the bearing capacity of the aerial ladder are realized based on the nonlinear structure of the V-shaped connecting rod 17 and the elastic element 16 are realized, and the elastic sliding block is realized if the winding of the aerial ladder winding trolley is broken down, and the sliding block is controlled by adopting the elastic winding trolley 40, and the sliding block is controlled to be out of control, and the sliding block is easy.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (7)
1. The utility model provides a cloud ladder car with fortune material dolly, includes cloud ladder car base (1), rotary working platform (2), scaling ladder group (3) and scaling ladder travelling bogie (4), its characterized in that:
the automatic elevator is characterized in that a front rotating shaft seat (5) and a rear rotating shaft seat (6) are respectively arranged on two sides of the rotating working platform (2), an aerial ladder traction motor (7) and a travelling bogie traction motor (8) are arranged on one side, close to the front rotating shaft seat (5), of the rotating working platform (2), the front rotating shaft seat (5) is hinged with an air cylinder group (9) through a rotating shaft, the rear rotating shaft seat (6) is hinged with the bottom end of the aerial ladder group (3) through the rotating shaft, the aerial ladder group (3) comprises a supporting aerial ladder (10) and a movable aerial ladder (11), and a fixed pulley block (12) which is rotatably arranged is arranged on the top end of the movable aerial ladder (11);
the aerial ladder transportation trolley (4) comprises a trolley underframe (13), a nonlinear connecting rod vibration reduction bracket (14) and an electromagnetic vibration feeder (15), wherein the trolley underframe (13) is connected with the electromagnetic vibration feeder (15) through the nonlinear connecting rod vibration reduction bracket (14), the nonlinear connecting rod vibration reduction bracket (14) is divided into two bracket parts which are symmetrical left and right, the bracket part of the nonlinear connecting rod vibration reduction bracket (14) consists of an elastic element (16) and two groups of V-shaped connecting rods (17), the middle parts of the V-shaped connecting rods (17) are rotationally connected through a rotating shaft, the middle part rotating shaft of the V-shaped connecting rods (17) is connected with a top plate, two ends of the elastic element (16) are fixedly connected with the top plates of the two groups of V-shaped connecting rods (17) respectively, the electromagnetic vibration feeder (15) consists of a material bin (18), an electromagnetic vibration exciting device (19), a reset spring (20) and a counterweight base (21), the counterweight parts of the nonlinear connecting rod vibration damping bracket (14) are uniformly distributed on the periphery of the base (21), the counterweight base (21) and the material bin (18) are connected with a plurality of electromagnetic vibration exciting coils (23) through the reset spring (20), the electromagnetic vibration exciting coils (23) are fixedly connected to the middle parts of the electromagnetic vibration feeder (23) respectively, the device is characterized in that the armature (24) is fixedly connected to the middle part of the bottom surface of the material bin (18), the bottom surface of the material bin (18) is obliquely arranged and has an included angle of 10-30 degrees with the horizontal plane, the number of the electromagnetic coils (23) and the number of the armatures (24) are equal and are arranged at intervals, the positions of the electromagnetic coils (23) and the positions of the armatures (24) are parallel, an air gap exists between the electromagnetic coils (23) and the armatures (24), the counterweight base (21) is horizontally arranged, the vibration feeding controller (22) adopts a GZ type electromagnetic vibration feeder (15) controller, and the vibration feeding controller (22) is connected with the electromagnetic coils (23) through a circuit;
after alternating current is introduced into the electromagnetic coil (23), the electromagnetic coil (23) alternately attracts and releases the armature (24), exciting force is generated between the electromagnetic coil (23) and the armature (24), potential energy is generated in the return spring (20) in the process, the exciting force is superposed with elastic restoring force of the return spring (20), 180-degree phase difference exists between the movement of the material bin (18) and the movement of the counterweight base (21), so that the material bin (18) vibrates reciprocally under preset frequency, the material bin (18) forms a throwing angle, and materials in the material bin (18) are output through the material outlet (33);
the electromagnetic vibration feeder is combined into the aerial ladder transportation trolley, the material bin is vibrated in a reciprocating mode at a preset frequency through the electromagnetic excitation device, materials in the material bin are output through the material outlet, the labor force requirement for carrying the materials is reduced, and meanwhile confusion caused by direct dumping is avoided;
the front portion of dolly chassis (13) is connected with iron elastic plectrum (39), the top of elastic plectrum (39) is connected with brake block (40), and rotation all around of dolly chassis (13) is connected with four gyro wheels, brake block (40) are adjacent with the gyro wheel of dolly chassis (13), the downside of elastic plectrum (39) is provided with electromagnetic winding (41) of installing on dolly chassis (13).
2. A stair car with a material handling trolley according to claim 1, characterized in that: the aerial ladder truck base (1) is modified by the locomotive and the frame part of a truck, be provided with plummer (25) through shaped steel reinforcement on aerial ladder truck base (1), both sides fixed mounting has rectangle sleeve pipe (26) around plummer (25), extension branch pipe (27) rather than internal surface complex have been cup jointed respectively at the both ends of rectangle sleeve pipe (26), the both ends lateral wall of rectangle sleeve pipe (26) set up respectively and are used for fixed extension branch pipe (27) position fastening bolt (28), the top of extension branch pipe (27) is connected with telescopic support rod (29) of vertical setting, two spouts (30) have been seted up at the middle part of plummer (25), the bottom and spout (30) cooperation of swivel work head (2), just swivel work head (2) are installed on plummer (25) through the form of bolt-up along spout (30).
3. A stair car with a material handling trolley according to claim 1, characterized in that: the rotary working platform (2) comprises a bottom plate, a slewing mechanism and a supporting plate from bottom to top, wherein the slewing mechanism adopts a worm gear commonly used by an automobile crane to support the slewing mechanism, the cylinder group (9) comprises two symmetrically arranged cylinders, and the top end of the cylinder group (9) is fixedly connected with the bottom surface of the supporting aerial ladder (10).
4. A stair car with a material handling trolley according to claim 1, characterized in that: the aerial ladder traction motor (7) and the transportation trolley traction motor (8) are respectively connected with a winding wheel (31), a traction rope (32) is connected to the winding wheel (31) in a winding mode, the aerial ladder traction motor (7) is connected with the movable aerial ladder (11) after being turned around the fixed pulley block (12) through the traction rope (32), and the transportation trolley traction motor (8) is connected with the aerial ladder transportation trolley (4) after being turned around the fixed pulley block (12) through the traction rope (32).
5. A stair car with a material handling trolley according to claim 1, characterized in that: the main body frame of the aerial ladder group (3) is formed by connecting angle steel and steel plates, the lengths of the supporting aerial ladder (10) and the movable aerial ladder (11) are equal, the movable aerial ladder (11) is sleeved with the supporting aerial ladder (10), and the movable aerial ladder (11) extends out from one end of the supporting aerial ladder (10).
6. A stair car with a material handling trolley according to claim 1, characterized in that: the material bin is characterized in that a material outlet (33) is formed in one side of the material bin (18), guide trays (34) are fixed on two sides and the bottom of the material outlet (33), a guide groove (35) vertically fixed on the side wall of the material bin (18) is formed in the upper portion of the material outlet (33), a bin door (36) is mounted in sliding fit in the guide groove (35), an iron push-pull plate (37) is connected to the top end of the bin door (36), and an electromagnet (38) fixed on the side wall of the material bin (18) is arranged above the iron push-pull plate (37).
7. The working method of the stair car with the material conveying trolley according to claim 1, wherein:
stopping the aerial ladder truck to a working position, pulling an extension branch pipe (27) according to the field condition and the working requirement, fixing the position of the extension branch pipe (27) through a fastening bolt (28), starting a telescopic support rod (29) to provide support for an aerial ladder truck base (1), adjusting a rotary working platform (2) to a preset angle, starting a cylinder group (9) to adjust and support an included angle between an aerial ladder (10) and a horizontal plane, adjusting the position of a movable aerial ladder (11) through a winding wheel (31) and a traction rope (32) connected with an aerial ladder traction motor (7), adjusting the position of the aerial ladder transportation trolley (4) through a winding wheel (31) and a traction rope (32) connected with a transportation trolley traction motor (8), adding materials to be transported into a material bin (18) when the aerial ladder transportation trolley (4) descends to the bottom end of the aerial ladder group (3), lifting the aerial ladder transportation trolley (4) to the top end of the aerial ladder group (3) through an electromagnet (38), attracting an iron plate (37) through a push-pull door (36), pulling the electromagnet (35) along a guide groove (35), pulling the armature (23) to generate alternating current, and releasing electromagnetic coil (23) to be alternately excited by an exciting coil (23) after the armature (23) is started, in the process, potential energy is generated in the reset spring (20), exciting force is superposed with elastic restoring force of the reset spring (20), 180-degree phase difference exists between the motion of the material bin (18) and the motion of the counterweight base (21), so that the material bin (18) vibrates reciprocally under preset frequency, the material bin (18) forms a throwing angle, materials in the material bin (18) are output through the material outlet (33), the vibration frequency of the material bin (18) is determined by the frequency of current, the frequency of the current is regulated by the vibration feeding controller (22), a solution for automatically conveying the materials is formed, when the aerial ladder transportation trolley (4) walks on the aerial ladder group (3), vibration caused by hard contact collision is reduced through the nonlinear connecting rod vibration reduction bracket (14), the V-shaped connecting rod (17) is compressed downwards when the nonlinear connecting rod vibration reduction bracket (14) is subjected to the pressure of the material bin (18), the elastic elements (16) connected in the middle parts of the two groups of V-shaped connecting rods (17) correspondingly change in displacement, the electromagnetic machine (15) is stably kept under the action of the V-shaped connecting rod (17) and the elastic elements (16), thus the nonlinear connecting rod vibration reduction bracket (16) has the linear vibration reduction characteristics, the nonlinear damping characteristics can be realized, and the nonlinear vibration reduction of the nonlinear connecting rod (16) can be realized, and the nonlinear vibration reduction structure can be realized based on the nonlinear vibration reduction structure, therefore, the nonlinear connecting rod vibration reduction support (14) has good bearing capacity and stability, when a steel cable breaks off due to accident, the electromagnetic winding (41) is started to attract the elastic poking sheet (39), so that the brake sheet (40) is in contact with the roller of the trolley underframe (13), and the aerial ladder conveying trolley (4) is assisted to stably run to the bottom end of the aerial ladder group (3).
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| CN102502193A (en) * | 2011-10-31 | 2012-06-20 | 东北大学 | Three-mass electromagnetic vibration feeder and adjustment method for electromagnetic vibration phase angle thereof |
| CN104192116A (en) * | 2014-08-13 | 2014-12-10 | 青岛盛嘉信息科技有限公司 | Brake device |
| CN205422515U (en) * | 2015-12-14 | 2016-08-03 | 湖北省专用汽车研究院 | Fire control aerial ladder car ladder frame with vibration damper |
| CN107499076B (en) * | 2017-07-20 | 2023-06-16 | 西南交通大学 | Spherical tank external detection working platform |
| CN208213586U (en) * | 2018-01-29 | 2018-12-11 | 中国黄金集团江西金山矿业有限公司 | A kind of screening equipment for gold ore grinding fines |
| US10456610B1 (en) * | 2018-04-23 | 2019-10-29 | Oshkosh Corporation | Stability system for a fire apparatus |
| CN212198412U (en) * | 2020-04-16 | 2020-12-22 | 郑州电力高等专科学校 | Scaling ladder device for power equipment maintenance |
| CN113756707B (en) * | 2021-09-29 | 2022-12-20 | 青岛九合重工机械有限公司 | Aerial ladder vehicle with interlocking protection function and working method thereof |
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