CN209975446U

CN209975446U - Connection structure suitable for high-speed motor sweeper suction nozzle

Info

Publication number: CN209975446U
Application number: CN201920437529.8U
Authority: CN
Inventors: 傅燕桥; 吕永洪
Original assignee: Zhejiang Ma Construction Machinery Equipment Manufacturing Co Ltd
Current assignee: Zhejiang Ma Construction Machinery Equipment Manufacturing Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-01-21
Anticipated expiration: 2029-04-02

Abstract

The utility model relates to the technical field of motor sweeper, in particular to a connecting structure suitable for a high-speed motor sweeper suction nozzle, which comprises a parallel four-bar linkage structure and two supporting components, wherein the parallel four-bar linkage structure is also connected with a connecting frame; the parallel four-connecting-rod structure is composed of four connecting rods, the four connecting rods are parallel in pairs, one ends of two connecting rods on the same side in the four connecting rods are rotatably connected with corresponding supporting components through connecting pieces, and the other ends of the two connecting rods on the same side are rotatably connected with the side part of the connecting frame; the connecting frame comprises two second side plates which are arranged in parallel, the two second side plates are connected through two first rotating shafts, the first rotating shaft positioned below is connected with an inclined connecting rod through a first clamping sleeve, the first clamping sleeve is rotatably connected relative to the first rotating shaft, and the end part of the inclined connecting rod is connected with a connecting rod below through a second clamping sleeve. The utility model discloses both have can carry out the fast operation and the structure is difficult to the characteristics of damaging.

Description

Connection structure suitable for high-speed motor sweeper suction nozzle

Technical Field

The utility model relates to a motor sweeper technical field, in particular to connection structure suitable for high-speed motor sweeper suction nozzle.

Background

The suction pick-up device in the existing sweeper is pulled by two connecting rods to run along with the sweeper, and in the process of sweeping the sweeper at a low speed, the suction pick-up of garbage can be stably realized, but in the process of sweeping the sweeper at a high speed, the suction pick-up device can also jump along with the road surface due to uneven road surface fluctuation, so that the conditions of missing sweeping on the road surface and damage to the structural parts of the suction pick-up device can be caused.

Therefore, the existing sweeper suction device has the problems that the rapid operation cannot be carried out and the structural parts are easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the above-mentioned technical problem that current motor sweeper inhales and picks up the device and exist, provide a connection structure suitable for high-speed motor sweeper suction nozzle, it has the characteristics that can carry out the fast operation and the structure is difficult to damage.

The technical scheme of the utility model: a connecting structure suitable for a suction nozzle of a high-speed sweeper comprises a parallel four-bar structure and two supporting assemblies arranged in parallel, wherein the parallel four-bar structure is respectively connected with the two supporting assemblies, and a connecting frame is further connected to the parallel four-bar structure; the parallel four-connecting-rod structure is composed of four connecting rods, the four connecting rods are parallel in pairs, one ends of two connecting rods on the same side in the four connecting rods are rotatably connected with corresponding supporting components through connecting pieces, and the other ends of the two connecting rods on the same side are rotatably connected with the side part of the connecting frame; the connecting frame comprises two second side plates which are arranged in parallel, the two second side plates are connected through two first rotating shafts, the end portions of the first rotating shafts are rotatably connected with one ends of corresponding connecting rods, the first rotating shaft located below is connected with an inclined connecting rod through a first clamping sleeve, the first clamping sleeve is rotatably connected with the first rotating shaft, and the end portion of the inclined connecting rod is connected with a connecting rod below through a second clamping sleeve. The utility model provides a parallel four-bar linkage structure, when the motor sweeper is worked, can play stable traction to the device, when the device lifts up, can play stable support to the device, when the vehicle cleans the in-process fast, even the road surface is undulant uneven, inhale pick up the device and can not beat along with the road surface under parallel four-bar linkage structure's supporting role for inhale pick up the device and can carry out the fast operation, the condition that the road surface missed-sweeping can not appear yet, inhale the structure of picking up the device and can not take place to rock and damage because of supporting the shakiness yet; the first clamping sleeve is rotatably connected relative to the first rotating shaft through a rotating bearing; the utility model discloses the setting of well slope connecting rod connects into a whole with the parallel four-bar linkage structure that four connecting rods are constituteed, and the motor sweeper is at the in-process of quick operation and turn, guarantees that parallel four-bar linkage structure can only the tilting, can not produce and controls pendulum power for the operation of device is more reliable.

Preferably, a second rotating shaft is arranged between the two second side plates and located between the two first rotating shafts, two ends of the second rotating shaft are respectively provided with a spring bidirectional damper in a rotating mode, and the end portions of the spring bidirectional dampers are rotatably connected with the corresponding supporting assemblies through hinge pins. The utility model discloses the setting of well two-way attenuator of spring for the device is at the in-process that advances along with the motor sweeper, and along with the road surface undulation, the two-way attenuator of spring can prevent the device to beat through the compression spring of self, makes the device paste ground all the time, can not leak and inhale road surface rubbish.

Preferably, the connecting rod is composed of a connecting rod and knuckle bearings arranged at two ends of the connecting rod. The utility model discloses well connecting rod both ends joint bearing's setting for the connecting rod is except that rotatory around the round pin axle, still can produce horizontal inclination, and when the motor sweeper under high-speed running state, assurance device can be along with the uneven and automatic leveling in ground, and the device can not control the tilt of sticking up, also can not leak the rubbish on the suction surface.

Preferably, the support assembly is composed of two support plates which are parallel, and the end parts of the four connecting rods and the end part of the spring bidirectional damper are rotatably arranged between the two corresponding support plates through pin shafts. The support assembly formed by the two support plates can well support the flexible action of the connecting rod and the spring bidirectional damper.

Preferably, two parallel bending plates are arranged between the two second side plates, and a plurality of mounting holes are formed in the bending plates. The bending plate and the mounting hole are convenient for stably connecting the device on the sweeper.

Preferably, the connecting piece is a pin shaft.

The utility model discloses following beneficial effect has:

(1) the parallel four-bar linkage structure can stably pull the device when the sweeper works, and stably support the device when the device is lifted, and even if the road surface is uneven in the rapid sweeping process of a vehicle, the suction and pickup device cannot jump along with the road surface under the supporting effect of the parallel four-bar linkage structure, so that the suction and pickup device can rapidly work, the road surface is not missed to be swept, and the structural part of the suction and pickup device cannot be damaged due to shaking caused by unstable support; the first clamping sleeve is rotatably connected relative to the first rotating shaft through a rotating bearing;

(2) the arrangement of the inclined connecting rods connects the parallel four-connecting-rod structure formed by the four connecting rods into a whole, so that the sweeper can only rotate up and down in the process of fast running and turning, and cannot generate left-right swinging power, and the running of the sweeper is more reliable.

Drawings

Figure 1 is a schematic view of a first configuration of the present invention in use in a suction device;

fig. 2 is a second schematic structural view of the suction device of the present invention in use;

fig. 3 is a schematic view of a third structure of the suction device of the present invention;

fig. 4 is a fourth schematic structural view of the suction device of the present invention;

fig. 5 is a fifth structural schematic diagram of the suction device of the present invention;

fig. 6 is a sixth schematic structural view of the suction device of the present invention;

fig. 7 is a seventh schematic structural view of the suction device of the present invention;

figure 8 is a schematic view of a first configuration of a suction pick-up device in which the suction tube is mounted on a first support plate;

figure 9 is a schematic view of a second configuration of the suction pick-up device with the suction tube mounted on the first support plate;

FIG. 10 is a schematic view of the structure of the connecting frame of the present invention;

FIG. 11 is a schematic view of the structure of the middle connecting rod of the present invention;

figure 12 is a schematic view of the suction device at the bearing block assembly;

figure 13 is a schematic view of the suction device in the suction position;

figure 14 is a schematic view of the suction pickup assembly when mounted on a sweeper truck.

The labels in the figures are: 100-a first supporting plate, 101-a suction port, 102-a suction pipe, 103-a first guide plate, 104-a first half suction port, 105-a second half suction port, 106-a second guide plate, 107-a first guide plate, 108-a second guide plate, 109-a driving strip brush, 110-a wind-shielding strip brush, 111-a wind shield, 112-a wind-compensating plate, 113-a leakage receiving plate, 114-a wind shield, 115-a ventilation hole, 116-a transition pipe, 117-a hose, 200-a second supporting plate, 201-a step, 300-a parallel four-bar linkage structure, 301-a connecting bar, 302-a connecting bar, 303-a joint bearing, 400-a connecting frame, 401-a second side plate, 402-a first rotating shaft, 403-a first clamping sleeve, 404-an inclined connecting bar and 405-a second clamping sleeve, 406-a second rotating shaft, 407-a bent plate, 408-a mounting hole, 500-a first side plate, 501-a limiting plate, 502-a slideway, 503-an adjusting hole, 504-a limiting hole, 505-a pressing plate, 506-a sliding shoe, 600-a rolling sweeping assembly, 700-a bearing seat assembly, 701-a fixing frame, 702-an adjusting nut, 703-a bearing sleeve, 704-a spacing block, 705-a bearing, 706-a rotating shaft, 707-a cover plate, 708-an adjusting screw, 709-a limiting plate, 710-a rocker, 711-a first retaining ring, 712-a second retaining ring, 800-a driving device, 801-a hydraulic motor, 802-a driving gear, 803-a driven gear, 804-a chain, 900-a supporting component, 901-a supporting plate and 1000-a spring bidirectional damper, 1100-first detachable connecting structure, 1101-first flange plate, 1102-second flange plate, 1103-movable buckle, 1104-hanging lug, 1105-flexible ring, 1200-second detachable connecting structure, 1300-mounting rack, 1301-universal caster, 1400-sweeper, 1401-first arrow, 1402-second arrow, 1403-third arrow.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

The connecting structure suitable for the suction nozzle of the high-speed sweeper shown in fig. 1 comprises a parallel four-bar linkage structure 300 shown in fig. 7 and two support assemblies 900 shown in fig. 3 arranged in parallel, wherein the parallel four-bar linkage structure is respectively connected with the two support assemblies, and a connecting frame 400 shown in fig. 10 is further connected to the parallel four-bar linkage structure; the parallel four-bar linkage structure is composed of four connecting bars 301 as shown in fig. 11, the four connecting bars are parallel in pairs, one ends of two connecting bars on the same side in the four connecting bars are rotatably connected with corresponding supporting components through connecting pieces, and the other ends of the two connecting bars on the same side are rotatably connected with the side parts of the connecting frame; the connecting frame comprises two second side plates 401 which are arranged in parallel, the two second side plates are connected through two first rotating shafts 402, the end portions of the first rotating shafts are rotatably connected with one ends of corresponding connecting rods, the first rotating shaft positioned below is connected with an inclined connecting rod 404 through a first clamping sleeve 403, the first clamping sleeve is rotatably connected relative to the first rotating shaft, and the end portion of the inclined connecting rod is connected with a connecting rod below through a second clamping sleeve 405. A second rotating shaft 406 is arranged between the two second side plates and is positioned between the two first rotating shafts, two ends of the second rotating shaft are respectively and rotatably provided with a spring bidirectional damper 1000 shown in fig. 13, and the end parts of the spring bidirectional dampers are rotatably connected with corresponding supporting components through pin shafts. The link is composed of a connecting rod 302 and knuckle bearings 303 provided at both ends of the connecting rod. The supporting component is composed of two parallel supporting plates 901, and the end parts of the four connecting rods and the end parts of the spring bidirectional dampers are rotatably arranged between the two corresponding supporting plates through pin shafts. Two parallel bending plates 407 are arranged between the two second side plates, and a plurality of mounting holes 408 are formed in the bending plates. The connecting piece is a pin shaft.

The sweeping device in the high-speed sweeper shown in FIG. 1 comprises a first support plate 100 shown in FIG. 8 and a second support plate 200 shown in FIG. 9 which are connected with each other, wherein one or more suction ports 101 are arranged on the first support plate, a suction pipe 102 is arranged on the upper surface of the first support plate at the suction port and is of a circular truncated cone-shaped structure, and a connecting frame 400 shown in FIGS. 2 and 10 is connected to the first support plate or the second support plate through a parallel four-bar linkage structure 300 shown in FIG. 7; a first guide plate 103 is arranged on the lower surface of the first supporting plate, the first guide plate is positioned at the position of the suction port, the first guide plate divides the suction port into a first half suction port 104 and a second half suction port 105, the first half suction port is far away from the second supporting plate, a second guide plate 106 is arranged on the lower surface of the first supporting plate at the position of the first half suction port, the second guide plate is of a continuous splayed structure, and the splayed reducing end of the second guide plate faces the first guide plate; the two ends of the first supporting plate and the second supporting plate are respectively provided with a first side plate 500 as shown in fig. 14, a rolling sweeping assembly 600 is rotatably arranged between the two first side plates, the two ends of the rolling sweeping assembly are adjusted and arranged on the corresponding first side plates through bearing seat assemblies 700 as shown in fig. 5 and 12, the rolling sweeping assembly is positioned at the lower part of the second supporting plate, one side of one first side plate, which is close to the suction pipe, is provided with a driving device 800 as shown in fig. 4, and the driving device is connected with the bearing seat assembly at one end of the rolling sweeping assembly. Be equipped with first deflector 107 on the first baffle, be equipped with second deflector 108 on the second baffle, the position that lies in keeping away from the second backup pad on the lower surface of first backup pad is equipped with and drives strip brush 109 and the strip brush 110 that keeps out the wind side by side mutually, the strip brush that keeps out the wind is adjacent with the second deflector, the one end that lies in keeping away from first backup pad on the lower surface of second backup pad is equipped with deep bead 111 and air supplement plate 112 that parallel mutually, the deep bead is located one side that first backup pad was kept away from to the air supplement plate, the lower part of air supplement plate is equipped with and connects bushing 113. The distance between the wind shielding strip brush and the ground, the distance between the leakage receiving plate and the ground and the distance between the wind shielding plate and the ground are 5-15 mm, bristles at the lower end of the driving strip brush are in contact with the ground, the lower end of the second guide plate is in contact with the ground, and the lower end of the first guide plate is attached to the ground. The rolling sweeper assembly is positioned between the first guide plate and the leakage receiving plate, and the first guide plate and the leakage receiving plate are tangent to the outer circular surface of the rolling sweeper assembly. The driving strip brush is of a splayed or straight structure. A wind shielding plate 114 is arranged at one end of the upper surface of the first supporting plate far away from the second supporting plate. The first half suction opening is larger than the second half suction opening. The air supplement plate is provided with a plurality of vent holes 115. Be equipped with limiting plate 501 on the first curb plate, be equipped with slide 502 on the limiting plate, the lower part of slide is equipped with regulation hole 503, and the bearing frame assembly is adjusted and is set up in the regulation hole of slide department. The bearing seat assembly comprises a fixing frame 701, an adjusting nut 702 is arranged on one side of the upper portion of the fixing frame, a bearing sleeve 703 is arranged on the lower portion of the fixing frame, a spacer block 704 is arranged in the middle of the bearing sleeve, bearings 705 are arranged on two sides of the spacer block in the bearing sleeve, a rotating shaft 706 is arranged inside the bearings, one end of the rotating shaft is arranged inside the end portion of the rolling sweeping assembly, and cover plates 707 are arranged at two ends of the bearing sleeve. The top of limiting plate is equipped with spacing hole 504, and adjusting nut's inside threaded connection has adjusting screw 708, and adjusting screw's upper portion is located spacing downthehole, and adjusting screw's upper portion is equipped with spacing piece 709, and the upper surface of spacing piece is laminated with the lower surface of limiting plate mutually, and adjusting screw's upper end has rocker 710 through round pin hub connection. The contact position of the bearing and the spacer is provided with a first retainer ring 711. And an oil seal is arranged between the cover plate and the bearing adjacent to the cover plate. The limiting hole is a long-strip-shaped limiting hole with one open end. A second retaining ring 712 is arranged on the pin shaft between the rocker and the adjusting screw rod. The bearing block assembly is disposed within the slide by a platen 505.

The connecting position of the first supporting plate and the second supporting plate is provided with a step 201, the height of the second supporting plate is higher than that of the first supporting plate, the step is provided with two parallel supporting components 900 shown in figure 3, and the parallel four-bar linkage structure is respectively connected with the two supporting components. The parallel four-bar linkage structure is composed of four connecting bars 301 as shown in fig. 11, the four connecting bars are parallel in pairs, each connecting bar is composed of a connecting bar 302 and a knuckle bearing 303 arranged at two ends of the connecting bar, one end of each of the two connecting bars on the same side in the four connecting bars is rotatably connected with the corresponding supporting component through a pin shaft, and the other end of each of the two connecting bars on the same side is rotatably connected with the side part of the connecting frame. The connecting frame comprises two second side plates 401 which are arranged in parallel, the two second side plates are connected through two first rotating shafts 402, the end portions of the first rotating shafts are rotatably connected with one ends of corresponding connecting rods, the first rotating shaft positioned below is connected with an inclined connecting rod 404 through a first clamping sleeve 403, the first clamping sleeve is rotatably connected relative to the first rotating shaft, and the end portion of the inclined connecting rod is connected with a connecting rod below through a second clamping sleeve 405. A second rotating shaft 406 is arranged between the two second side plates and is positioned between the two first rotating shafts, two ends of the second rotating shaft are respectively and rotatably provided with a spring bidirectional damper 1000 shown in fig. 13, and the end parts of the spring bidirectional dampers are rotatably connected with corresponding supporting components through pin shafts. The supporting component is composed of two parallel supporting plates 901, and the end parts of the four connecting rods and the end parts of the spring bidirectional dampers are rotatably arranged between the two corresponding supporting plates through pin shafts. Two parallel bending plates 407 are arranged between the two second side plates, and a plurality of mounting holes 408 are formed in the bending plates. The top of the straw is provided with a transition tube 116 via a first detachable connection 1100, and the transition tube is provided with a connection hose 117 via a second detachable connection 1200. The first detachable connecting structure comprises a first flange 1101 arranged at the top of the straw and a second flange 1102 arranged at one end of the transition pipe, wherein a group of movable buckles 1103 are oppositely arranged at two side parts of the straw, and a hanging lug 1104 matched with the movable buckles is arranged on the second flange. A flexible ring 1105 is provided between the first flange and the second flange. The second detachable connecting structure is a hoop. At least one mounting rack 1300 shown in fig. 6 is arranged at one end of the second supporting plate far away from the first supporting plate, and a universal caster 1301 is rotatably arranged on the mounting rack. The bottom of the first side plate far away from the second supporting plate is provided with a sliding shoe 506. The driving device comprises a hydraulic motor 801, a driving gear 802 is arranged at the driving shaft end of the hydraulic motor, a driven gear 803 is arranged on a bearing seat assembly at one end of the rolling sweeping assembly, and the driving gear is connected with the driven gear through a chain 804. The number of the suction openings may be any one of 1 to 20, for example, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, or 20. The first arrow 1401 indicates the process direction of the garbage suction and picking; the first arrow 1402 indicates the direction of rotation of the rolling sweep assembly; a third arrow 1403 indicates the forward direction of the sweeper; wherein the rolling sweeping device consists of a shaft and a rolling sweeping brush arranged on the shaft. The first guide plate, the second guide plate, the wind shield and the leak-connecting plate are all rubber plates.

The utility model discloses a theory of operation does:

connecting rod 301 one end is fixed on first pivot 402, can be rotatory around first pivot, and the other end is fixed on supporting component 900, through the round pin hub connection, can be rotatory around the round pin axle, and link 400 installs on the motor sweeper, and when the vehicle gos forward, drags whole suction pickup apparatus to go forward along with the car through four connecting rods, sucks and picks up road surface rubbish, and a parallel four-bar linkage structure 300 is constituteed to four connecting rods, and parallel four-bar linkage structure pulls suction pickup apparatus during operation, and parallel four-bar linkage structure supports suction pickup apparatus when suction pickup apparatus lifts. The upper end of an inclined connecting rod 404 is fixed in the middle of a first rotating shaft and connected through a first clamping sleeve 403, the first clamping sleeve can rotate around the middle of the first rotating shaft through a rotating bearing, the lower end of the inclined connecting rod is fixed on one of the connecting rods and connected through a second clamping sleeve 405, the upper end of a parallel four-connecting-rod structure consisting of the four connecting rods forms a whole through the inclined connecting rod, and the parallel four-connecting-rod structure can only rotate up and down in the process of rapid running and turning of a vehicle, so that left-right swinging power cannot be generated, and running is more reliable. Meanwhile, the lower end of a parallel four-bar structure consisting of four connecting bars is connected with the joint bearing 303 and the supporting component through a pin shaft, the joint bearing can rotate around the pin shaft and also can generate a transverse side inclination angle, and under the high-speed running state, the suction and pickup device can be ensured to be automatically leveled along with uneven ground, does not warp left and right, and does not leak and suck road surface garbage. The two-way damper 1000 of spring one end is fixed on second pivot 406, can rotate around the second pivot, and the other end is fixed on the supporting component, through the round pin hub connection, can rotate around the round pin axle, inhales and picks up the device at the in-process that the vehicle-mounted gos forward, can beat along with the road surface fluctuation, and the two-way damper of spring prevents to inhale through the compression spring of self and picks up the device and beat for inhale and pick up the device and paste ground all the time, can not leak and inhale road surface rubbish. The width of the suction and pickup device is consistent with the width of the whole vehicle, the plurality of suction pipes 102 are uniformly arranged, high-pressure high-flow air generated by the high-pressure centrifugal fan is sucked and picked up through the plurality of suction pipes, and the garbage in the width range of the suction and pickup device is sucked and picked up through the plurality of suction pipes, so that the transverse moving distance of the garbage is reduced firstly, the garbage can be favorably and quickly gathered under the suction pipes, and is quickly sucked and picked up into the suction pipes to enter the garbage can; secondly, the garbage in the width range of the suction and pickup device is uniformly distributed below the plurality of suction pipes, the garbage accumulation thickness is thinner, the quick suction and pickup of the pavement garbage is facilitated, and the sweeping efficiency is improved; thirdly, the quantity of the garbage passing through a single suction pipe is small, so that blockage is avoided, and the abrasion of the suction pipe is reduced.

The suction device is used for sucking and picking ground garbage into the suction pipe, and the interior of the suction device needs to form a certain vacuum degree to suck and pick the garbage. Therefore, the gaps between the front and the rear of the whole suction pickup device and between the left and the right ground can not be too large, the gap is generally controlled to be 5-15 mm, the air intake of the fan is ensured, and the effective vacuum degree in the suction pickup device is also ensured. Two first curb plates 500 lines of inhaling in the device both sides become left and right side and hide the aerofoil, through adjusting universal castor 1301 for inhale and pick up device ground clearance 5 ~ 15mm, keep out wind strip brush 110 and install below first backup pad 100, hide the aerofoil before the line becomes. The lower end of the wind shielding strip brush is 5-15 mm away from the ground, small garbage enters the suction pipe through the lower surface of the wind shielding strip brush, large garbage passes through the wind shielding strip brush and enters the suction pipe, the wind shielding strip brush is in a strip fine bristle structure form, and when the large garbage passes through, the vacuum degree below the suction pipe cannot be reduced, so that the efficient suction and picking effect of the suction and picking device on ground garbage is guaranteed. The wind shield 111 is installed on the second support plate 200 to form a rear wind shield, and the ground clearance is 5-15 mm. The process that rubbish was picked up by inhaling is that rubbish from static state, through a series of with higher speed, reaches the suspension velocity of rubbish and just can be picked up by inhaling, consequently quick messenger ground rubbish from static with higher speed to the suspension velocity, more is favorable to the motor sweeper high speed to clean, improves simultaneously and cleans efficiency. Drive strip brush 109 and install below first backup pad, it is preceding to keep out the wind the strip brush, it is splayed or a style of calligraphy to become, it touches to earth to drive strip brush lower end brush hair, the motor sweeper is at the fast operation in-process, it advances fast along with inhaling the device of picking up to drive the strip brush, produce forward thrust and promote the static rubbish on ground to move forward, because of the strip brush has toughness, rubbish speed is less than inhales the functioning speed who picks up the device, ground rubbish passes and drives the strip brush, keep out the wind the strip brush, it picks up to be inhaled by the straw, because the rubbish that gets into below the suction inlet has produced certain initial velocity, more do benefit to and guarantee to clean efficiency under the high-speed state. First baffle 103 and second baffle 106 welding are below first backup pad 100, cut apart the suction inlet lower part into two parts, preceding air suction chamber and the back chamber of induced drafting, preceding air suction chamber is big, the back chamber of induced drafting is little, the second baffle is a continuous splayed structure, splayed binding off is towards first baffle, second deflector 108 is installed on second baffle 106 along with the shape, move with pasting, also form a continuous splayed structure, rubbish gets into before the chamber of induced drafting after, assemble to the straw by splayed second deflector under, be sucked fast and pick up, be favorable to the quick operation of motor sweeper. The first guide plate 107 is arranged on the first guide plate 103 to form a backward air suction opening, namely a backward air suction cavity, the first guide plate operates in a manner of being attached to the ground, when part of fine garbage and the garbage attached to the ground are not sucked by the forward air suction cavity to be picked into a suction pipe, the garbage moves forward along with the suction device, the garbage comes to the backward air suction cavity, the hydraulic motor 801 fixed on the first side plate 500 rotates to drive the driving gear 802, the chain 804 and the driven gear 803 to rotate, so that the whole rolling sweeping assembly 600 is driven to rotate clockwise, the garbage entering the backward air suction cavity is thrown onto the first guide plate 107, the garbage moves upwards along the first guide plate to be sucked into the suction pipe, and the sweeping efficiency and the working speed are improved.

The bearing seat assemblies 700 on two sides are respectively placed into the slideways 502 on two sides and are pressed by the pressing plate 505 and can only slide up and down in the slideways, the two rotating shafts 706 are respectively inserted into the left side and the right side of the rolling sweeper assembly 600 to fix the whole rolling sweeper and support the whole rolling sweeper to rotate, the adjusting nuts 702 and the bearing sleeves 703 are welded on the fixing frame 701, the adjusting nuts are respectively screwed into the threaded ends of the adjusting screws 708 on two sides, the upper end shafts of the adjusting screws on two sides respectively penetrate through the limiting holes 504 on the limiting plate 501, the upper end surfaces of the limiting sheets 709 of the adjusting screws are flush with the lower plane of the limiting plate, the limiting bearing seat assembly 700 slides upwards, the upper end shafts of the adjusting screws are respectively sleeved with the second retaining rings 712 on two sides, the rocker 710, the second retaining rings 712 and the adjusting screws 708 are connected into a whole by the pin shaft, the limiting bearing seat assembly slides downwards to form a wear part, when the ground contact pressure of the rolling sweeper needs to be adjusted, the rocking rods on the two sides are rotated simultaneously to drive the adjusting screw rod to rotate, so that the adjusting nut is driven to move up and down along the adjusting screw rod, the bearing seat assembly is driven to slide up and down, the rolling sweeper assembly is driven to move up and down, and the light and accurate adjustment of the ground contact pressure of the brush hair is achieved. The air supplementing plate 112 is installed on the second supporting plate 200, a plurality of vent holes 115 are formed in the air supplementing plate, the leakage receiving plate 113 is installed at the lower end of the air supplementing plate and is tangent to the rolling broom assembly 600 to form a forward slope, when the rolling broom assembly rotates clockwise to throw the left garbage to the backward air suction cavity, part of the garbage is brought to the rear end by the rolling broom assembly, the garbage brought to the rear end falls on the leakage receiving plate, and the rolling broom assembly rotates clockwise to continuously throw the garbage to the backward air suction cavity, so that the garbage is prevented from being left, and the cleaning efficiency is improved. In the road condition with more fine dust, the rolling broom assembly throws the omitted dust to the rear air suction cavity, and meanwhile, the dust is exploded, and because of too high operation speed, the rear air suction cavity is too late to suck, the floating dust comes behind the air receiving leakage plate and is sucked into the rear air cavity through the air vent 115 on the air supplementing plate 112, so that the dust is prevented from flying, and the sweeping efficiency is improved. The sliding shoes 506 are respectively welded on the first side plate 500, so that the suction nozzle can be effectively protected when a road deceleration strip or other major obstacles are met. Mounting bracket 1300 is fixed at the second backup pad 200 at the back, and casters 1301 installs on the mounting bracket, supports whole suction pick-up device and gos forward, and when the motor sweeper fast operation, vehicle direction of advance is along with the path adjustment, and casters can automatic adjustment direction of advance, avoids the truckle to damage. The wind shielding plate 114 is installed at the front end of the first supporting plate 100 to prevent the garbage rolled up by the rear wheel from being thrown to the whole suction nozzle, thereby reducing the maintenance strength. Flexible circle 1105 is the sponge circle, the flexible circle is fixed on first ring flange 1101, two movable hasp 1103 are fixed respectively in straw 102 both sides, transition pipe 116 presses the plane on flexible sponge circle, hangers 1104 welding 1102 on the second ring flange of transition pipe, through movable hasp locking, fixed transition pipe, hose 117 passes through the staple bolt to be fixed on the transition pipe, during the motor sweeper operation, the road surface has the rubbish entering pipeline that exceeds the hose diameter, block up the pipeline, in time need of clearing up, during the clearance, only need open movable hasp fast, can dredge the hose, and is convenient and fast.

The utility model discloses following beneficial effect has: (1) the suction pipe 102 is of a round table structure, namely a structure similar to a bell mouth, so that the suction pipe has a larger suction and pickup area corresponding to the ground, once the garbage is sucked and picked up by the suction pipe, the suction and pickup acting force received by the garbage is larger and larger, the sucked and picked-up garbage enters a garbage box of the sweeper as soon as possible, and a high-efficiency suction and pickup effect is achieved; (2) when the suction ports 101 are designed to be multiple, the suction pipes 102 are multiple, high-pressure high-flow air generated by a high-pressure centrifugal fan of the sweeper is sucked and picked up through the suction pipes, and garbage in the caliber range of the suction ports is sucked and picked up through the suction pipes, so that the transverse moving distance of the garbage can be reduced, the garbage can be conveniently and quickly gathered under the suction pipes, and the garbage can be quickly sucked and picked up into the suction pipes and then enter the garbage can; secondly, the garbage in the diameter range of the suction port is uniformly distributed below the plurality of suction pipes, so that the garbage accumulation thickness is thinner, the suction pipes are favorable for quickly sucking and picking up the garbage on the road surface, and the cleaning effect is better; thirdly, the quantity of the garbage passing through a single suction pipe is small, the pipeline blockage is avoided, and the abrasion of the garbage to the suction pipe is reduced; (3) the parallel four-bar linkage structure 300 can stably draw the device when the sweeper works, can stably support the device when the sweeper is lifted, and can ensure that the suction and pickup device cannot jump along with a road surface under the supporting action of the parallel four-bar linkage structure even if the road surface is uneven in the process of quickly sweeping the sweeper, so that the suction and pickup device can quickly work, the road surface cannot be missed, and structural members of the suction and pickup device cannot be damaged due to shaking caused by unstable support; (4) by arranging the first guide plate 103 and the second guide plate 106 with a continuous splayed structure, the splayed reducing end of the second guide plate faces the first guide plate, the suction port 101 is divided into a first half suction port 104 and a second half suction port 105, namely the lower part of the suction pipe is divided into two parts, a front suction cavity and a rear suction cavity are formed in the device, and the two suction cavities act together, so that the cleaning efficiency of the device is higher, and the cleaning speed is higher; (5) the both ends of rolling sweep assembly 600 are adjusted through bearing frame assembly 700 and are set up on corresponding first curb plate 500 for the convenient realization that can be more relaxed of rolling sweep brush hair pressure of touching the earth in the rolling sweep assembly, the both ends of rolling sweep assembly pass through the bearing frame assembly and can adjust simultaneously, make the regulation more accurate, and the rolling sweep both ends are concentric all the time, have guaranteed the life of bearing frame and relevant structure.

(6) The second guide plate 108 is arranged on the second guide plate 106 to form a continuous splayed structure, and after entering the front air suction cavity, the garbage is gathered under the suction pipe by the splayed second guide plate to be quickly sucked and picked up, so that the quick operation of the sweeper is facilitated; the wind-shielding strip brush 110 ensures that the vacuum degree below the suction pipe 102 cannot be reduced when large garbage passes through, thereby ensuring that the device has efficient suction and pickup effects on the ground garbage all the time; when part of fine garbage and garbage stuck on the ground are not sucked into the suction pipe by the front air suction cavity, the garbage enters the rear air suction cavity along with the forward movement of the suction nozzle, the rolling sweeper assembly throws the garbage entering the rear air suction cavity onto the first guide plate 107 along with the clockwise rotation of the driving device driving the rolling sweeper assembly 600, and the garbage moves upwards along the first guide plate and is sucked into the suction pipe, so that the sweeping efficiency and the operation speed are improved; the leakage receiving plate 113 can block partial garbage at the rear end due to the clockwise rotation of the rolling sweeper assembly, and under the blocking action of the leakage receiving plate, the garbage can continuously reach the lower part of the rolling sweeper assembly and is thrown to the rear air suction cavity again by the clockwise rotation of the rolling sweeper assembly to prevent the garbage from being missed, so that the sweeping efficiency is improved; (8) due to the design of the specific distance, the effective vacuum degree in the device is ensured under the condition of ensuring the air inlet volume of the high-pressure centrifugal fan; due to the design that the bristles at the lower end of the driving strip brush 109 are in contact with the ground, in the process of fast running of the sweeper, the driving strip brush moves forwards fast along with the sweeper to generate forward thrust to push static garbage on the ground to move forwards, and the speed of the garbage is lower than the running speed of the sweeper because the strip brush has toughness, the garbage on the ground passes through the driving strip brush and the wind shielding strip brush and is sucked and picked up by the suction pipe 102, and the garbage entering the lower part of the suction port 101 generates a certain initial speed, so that the sucking and picking effect in a high-speed cleaning state is better guaranteed; the lower end of the second guide plate 108 is in contact with the ground, and the lower end of the first guide plate 107 is attached to the ground, so that good vacuum degrees can be ensured in the front air suction cavity corresponding to the first half suction port 104 and the rear air suction cavity corresponding to the second half suction port 105, and high-efficiency suction and picking of garbage can be ensured; (9) the leakage receiving plate 113 is tangent to the outer circular surface of the rolling sweeper assembly, so that garbage coming from the rear end of the rolling sweeper assembly can smoothly slide to the lower part of the rolling sweeper assembly again after being blocked by the leakage receiving plate; the first guide plate 107 is tangent to the outer circumferential surface of the rolling brush assembly, so that the garbage swept by the rolling brush assembly can enter the second half suction port 105 along the first guide plate, and the garbage is smoothly sucked and picked up at the second half suction port.

(10) The driving strip brush 109 is designed to have better cleaning effect on the road surface garbage; the wind shielding plate 114 can effectively prevent the garbage rolled up by the rear wheel of the sweeper from being thrown to the upper surface of the whole device, and the cleaning and maintenance strength of personnel on the device is reduced; considering that the front air suction cavity corresponding to the first half suction port 104 is the main air suction cavity, the amount of the garbage sucked and picked up is more, so the design that the first half suction port is larger than the second half suction port is reasonable; on the road condition with more fine dust, the rolling sweeping assembly 600 throws the missed dust to the rear air suction cavity, and meanwhile, the dust is exploded, because the operation speed is too high, the rear air suction cavity is too late to suck, the floating dust comes behind the leakage receiving plate 113, and the dust floating behind the leakage receiving plate can be sucked into the rear air cavity again through the strip-shaped air vent 115 on the air supplementing plate 112, so that dust raising is avoided, and the sweeping effect is better; the limiting plate 501 can provide good support for the bearing seat assembly 700, and the arrangement of the slide way 502 facilitates the rolling sweeping assembly to be conveniently and accurately adjusted through the bearing seat assembly; the arrangement of the spacer block 704 enables two bearings 705 to be installed in the bearing sleeve 703 on each side, so that the bearing seat assembly 700 has more stable support for the rolling sweeper assembly 600, and good rotation of the rolling sweeper assembly is ensured; (11) the design that the upper surface of the limiting sheet 709 is attached to the lower surface of the limiting plate 501 can effectively limit the upward sliding of the bearing seat assembly through the adjusting screw 708; the adjusting screw 708 and the rocker 710 are connected into a whole by the pin shaft, so that the downward sliding of the bearing seat assembly through the adjusting screw can be effectively limited; because the rolling brush assembly is a wear part, the ground contact pressure of the rolling brush in the rolling brush assembly needs to be adjusted in time along with the wear degree so as to clean the rolling brush, when the ground contact pressure of the rolling brush needs to be adjusted, only the rocking bars on the left side and the right side need to be simultaneously rotated to drive the adjusting screw to rotate, and the adjusting screw 708 can drive the adjusting nut 702 to move up and down along the adjusting screw so as to drive the bearing seat assemblies on the two sides to slide up and down, so that the rolling brush assembly can move up and down, and the bottom contact pressure of the rolling brush bristles in the rolling brush assembly can be easily and accurately adjusted; (12) the first retaining ring 711 makes the bearing 705 more stable in installation in the bearing housing 703; the oil seal ensures the sealing performance after installation between the cover plate 707 and the bearing 705; the opened long-strip-shaped limiting hole 504 is convenient for the installation and the disassembly between the adjusting screw 708 and the limiting plate 501; the second retainer ring 712 can prevent the adjusting screw rod and the rocker from moving relatively, so that the tightness of connection among the pin shaft, the adjusting screw rod and the rocker is ensured; the pressing plate 505 enables the bearing seat assembly 700 to only slide up and down in the slideway 502, so that the stability of the installation and the work of the bearing seat assembly is ensured; according to the consideration that the rolling sweeping assembly needs to be installed below the second supporting plate, the height of the second supporting plate is designed to be higher than that of the first supporting plate, and sufficient installation space is reserved below the second supporting plate.

(13) The arrangement of the knuckle bearings 303 at the two ends of the connecting rod 302 enables the connecting rod 301 to rotate around the pin shaft and generate a transverse side inclination angle, when the sweeper runs at a high speed, the device can be automatically leveled along with uneven ground, the device cannot tilt left and right, and the garbage on the ground cannot be sucked in a leakage manner; (14) the first clamping sleeve 403 is rotatably connected to the first rotary shaft 402 by a rotary bearing. The arrangement of the middle inclined connecting rods 404 of the utility model connects the parallel four-bar linkage structure 300 formed by the four connecting rods 301 into a whole, so that the sweeper can only rotate up and down in the process of fast running and turning, and the left and right swinging power can not be generated, thereby ensuring the running of the device to be more reliable; (15) the arrangement of the spring bidirectional damper 1000 ensures that the device can prevent the device from jumping through a compression spring of the spring bidirectional damper per se along with the fluctuation of the road surface in the process that the device moves forwards along with a sweeper, so that the device can be always attached to the ground and cannot leak and suck road surface garbage; (16) the support assembly 900 formed by the two support plates 901 can well support the flexible action of the connecting rod 301 and the spring bidirectional damper 1000; the bending plate 407 and the mounting hole 408 facilitate the stable connection of the device on the sweeper; due to the arrangement of the first detachable connecting structure 1100, when the sweeper works, garbage with the diameter exceeding that of the hose 117 on the road surface enters the soft road to block the soft road, and when the garbage needs to be cleaned in time, the transition pipe 116 can be conveniently and quickly detached from the top of the suction pipe, so that the soft road can be timely and effectively dredged; the second detachable connection structure 1200 facilitates the connection and detachment between the hose and the transition pipe, and also facilitates the timely and effective dredging of the soft passage; the first flange plate 1101 and the second flange plate 1102 can be fixedly connected through bolt connection, and the movable buckle 1103 can be movably connected with the hanging lug 1104 through matching, so that two connection modes are provided, selectivity is achieved, and the movable buckle and the hanging lug can be flexibly connected through matching, so that the movable buckle and the hanging lug are used in a key manner, and the matching operation between the movable buckle and the hanging lug is very convenient; the flexible ring 1105 ensures that the first flange plate and the second flange plate have better sealing performance after being connected; the hoop is low in price, and is convenient to mount, fix and dismount; when the sweeper works fast, the advancing direction of the sweeper is adjusted along with the path, the universal caster 1301 can automatically adjust the advancing direction, and the sweeper is not easy to damage while playing a good supporting role; the arrangement of the sliding shoes 506 ensures that the first side plate 500 can effectively protect the safety of the device when encountering a road speed bump or other major obstacles; the transmission among the hydraulic motor 801, the gear and the chain 804 has better stability and lower cost.

Claims

1. The utility model provides a connection structure suitable for high-speed motor sweeper suction nozzle, characterized by: the device comprises a parallel four-bar linkage structure (300) and two support assemblies (900) arranged in parallel, wherein the parallel four-bar linkage structure is respectively connected with the two support assemblies, and the parallel four-bar linkage structure is also connected with a connecting frame (400); the parallel four-connecting-rod structure is composed of four connecting rods (301), the four connecting rods are parallel in pairs, one ends of the two connecting rods on the same side in the four connecting rods are rotatably connected with the corresponding supporting assembly through connecting pieces, and the other ends of the two connecting rods on the same side are rotatably connected with the side part of the connecting frame; the connecting frame comprises two second side plates (401) which are arranged in parallel, the two second side plates are connected through two first rotating shafts (402), the end portions of the first rotating shafts are rotatably connected with one ends of corresponding connecting rods, the first rotating shaft located below is connected with an inclined connecting rod (404) through a first clamping sleeve (403), the first clamping sleeve is rotatably connected with the first rotating shaft, and the end portion of the inclined connecting rod is connected with one connecting rod below through a second clamping sleeve (405).

2. The connecting structure of a suction nozzle for a high speed sweeper according to claim 1, wherein: and a second rotating shaft (406) is arranged between the two second side plates and is positioned between the two first rotating shafts, two ends of the second rotating shaft are respectively provided with a spring bidirectional damper (1000) in a rotating manner, and the end part of the spring bidirectional damper is rotatably connected with the corresponding supporting component through a pin shaft.

3. The connecting structure of a suction nozzle for a high speed sweeper according to claim 1 or 2, wherein: the connecting rod is composed of a connecting rod (302) and joint bearings (303) arranged at two ends of the connecting rod.

4. The connecting structure of a suction nozzle for a high speed sweeper according to claim 2, wherein: the supporting component is composed of two parallel supporting plates (901), and the end parts of the four connecting rods and the end part of the spring bidirectional damper are rotatably arranged between the two corresponding supporting plates through pin shafts.

5. The connecting structure of a suction nozzle for a high speed sweeper according to claim 1, 2 or 4, wherein: two parallel bending plates (407) are arranged between the two second side plates, and a plurality of mounting holes (408) are formed in the bending plates.

6. The connecting structure of a suction nozzle for a high speed sweeper according to claim 1, 2 or 4, wherein: the connecting piece is a pin shaft.