CN210972530U - Back-loading compression type garbage truck - Google Patents

Abstract

The utility model relates to a back-loading compression garbage truck belongs to the technical field of garbage truck. Including rubbish owner case, articulate in the rearmounted feed bin of the shell of rubbish owner case one end, fixed connection and connect the scraper in the shell in rubbish owner case one end, still include compressor arrangement, compressor arrangement includes behind backup pad and the roll-off of stripper plate, fixed connection in the shell with the separated extrusion curtain of rubbish owner case, fixedly connected with fourth pneumatic cylinder between stripper plate and the backup pad, the stripper plate is close to rearmounted feed bin one end and is contradicted with the scraper. The utility model discloses have and utilize compressor arrangement to push rubbish owner case, thereby avoid rubbish to fall back again and need not carry out the secondary to same rubbish and scrape, save time's effect in the rearmounted feed bin.

Description

Back-loading compression type garbage truck

Technical Field

The utility model belongs to the technical field of the technique of garbage truck and specifically relates to a back-loading compression garbage truck is related to.

Background

At present, a rear-mounted compression type garbage truck is additionally provided with a rear-mounted barrel turnover mechanism or a garbage hopper turnover mechanism on the basis of the compression type garbage truck. The garbage truck is composed of a garbage main box, a hydraulic system and an operating system. Has the advantages of large pressure, large loading capacity, convenient operation, safety and the like.

The traditional Chinese utility model patent with publication number CN208181919U, published in 2018, 12, and 4, discloses a rear-loading compression garbage truck, which comprises a frame, a garbage main bin, a turnover driving oil cylinder, a driven connecting rod, a garbage bin clamping mechanism, a rear bin, a sliding seat, a sliding driving oil cylinder, a scraping hopper, a scraping oil cylinder, a sliding rail, a discharging plate and a rear turnover oil cylinder, wherein the garbage main bin is installed on the frame and used for containing garbage; a loading opening is formed in one side of the free end of the rear material bin, and the garbage bin clamping mechanism is movably connected with the rear material bin through a driven connecting rod; the inner cavity of the scraping hopper faces the direction of the material conveying opening when the scraping hopper scrapes materials and is communicated with the material conveying opening when the scraping hopper moves to the highest position on the sliding seat. The garbage can be directly clamped to pour materials without manual operation. After the rubbish in the garbage bin is poured into the rear material bin, the sliding seat slides towards the rear material bin, the scraping hopper scrapes the rubbish in the material bin to compress for the first time and then fills the main rubbish bin, and therefore the rubbish is continuously increased to push the stripper to move towards the direction of the vehicle head.

The above prior art solutions have the following drawbacks: in scraping the hopper and constantly scraping rubbish into the rubbish main tank, the stripper constantly removes to the locomotive direction under rubbish extrusion, and the pneumatic cylinder piston rod behind the stripper is also extruded back in the cavity, but not inseparable enough between the rubbish of scraping the hopper extrusion for the first time, when leading to scraping the hopper and scraping the material, rubbish falls back to the rearmounted feed bin in the rubbish main tank from rubbish, need will fall back rubbish once more and scrape into in the rubbish main tank to lead to carrying out the in-process waste time of secondary scraping to same rubbish.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a back-loading compression garbage truck. Push away the rubbish on the scraper to rubbish owner incasement and extrude through compressor arrangement to avoid rubbish to fall back to the feed bin in the rubbish owner incasement, need not carry out the secondary to same rubbish and scrape, save time.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the rear-mounted compression type garbage truck comprises a garbage main bin, a shell hinged to one end of the garbage main bin, a rear bin fixedly connected to one end of the garbage main bin, a scraping device connected into the shell, and a compression device, wherein the compression device comprises an extrusion plate, a support plate fixedly connected into the shell and a sliding-out extrusion curtain for separating the garbage main bin, a fourth hydraulic cylinder fixedly connected between the extrusion plate and the support plate and used for driving the extrusion plate to slide towards the extrusion curtain, and one end of the extrusion plate, close to the rear bin, is abutted to the scraping device.

Through adopting above-mentioned technical scheme, the stripper plate pushes away the rubbish on the scraper into the rubbish main tank under the fourth pneumatic cylinder promotes. The rubbish owner case is separated to the extrusion curtain roll-off, and the stripper plate pushes away rubbish to extrusion curtain department after, and the stripper plate compresses rubbish with the extrusion curtain, slides back when the extrusion curtain, and rubbish crosses extrusion curtain position under the stripper plate promotes and gets into in the rubbish owner case. And a scraping device is not needed to scrape the same garbage for the second time, so that the time is saved.

The utility model discloses further set up to: the shell comprises an upper plate and two vertical plates, and the scraping device and the compression device are located in the shell.

Through adopting above-mentioned technical scheme, the shell protects scraper and compressor arrangement, extension scraper and compressor arrangement life.

The utility model discloses further set up to: a first hydraulic cylinder is hinged between the shell and the garbage main box, a cylinder body of the first hydraulic cylinder is hinged with the garbage main box, and a piston rod of the first hydraulic cylinder is hinged with the shell.

Through adopting above-mentioned technical scheme, first pneumatic cylinder piston rod stretches out and lifts the shell to make things convenient for the rubbish in the rubbish main tank to pour out, utilize pneumatic cylinder lifting shell laborsaving and reliable operation.

The utility model discloses further set up to: the scraper device includes support frame and the expansion plate of sliding connection on the support frame of fixed connection in the shell, the expansion plate is located the support frame and deviates from rubbish owner case one side, it has the second pneumatic cylinder to articulate between expansion plate and the support frame, the second pneumatic cylinder body articulates in the support frame and deviates from rubbish owner case one side, the second pneumatic cylinder piston rod articulates in the expansion plate and keeps away from support frame one side, the scraper device is still including articulating the flitch of scraping that is close to rearmounted feed bin one end at the expansion plate.

Through adopting above-mentioned technical scheme, utilize the second pneumatic cylinder to drive the expansion plate and remove on the support frame to make the scraping plate be close to rearmounted feed bin bottom.

The utility model discloses further set up to: the garbage bin is characterized in that a third hydraulic cylinder is hinged between the scraping plate and the telescopic plate, a cylinder body of the third hydraulic cylinder is hinged to one side, away from the support frame, of the telescopic plate, a piston rod of the third hydraulic cylinder is hinged to one end, away from the garbage main bin, of the scraping plate, and when the scraping plate is driven by the third hydraulic cylinder to rotate to the level of the scraping plate and the garbage main bin, the free end of the scraping plate is abutted against the garbage main bin.

Through adopting above-mentioned technical scheme, utilize the third pneumatic cylinder messenger to scrape the flitch and rotate to scrape the rubbish in the rearmounted feed bin and carry out the first compression, scrape the flitch free end and contradict with the rubbish owner case, reduce and scrape the condition that the rubbish on the flitch fell into rearmounted feed bin.

The utility model discloses further set up to: the support frame is close to expansion plate one side and has seted up twice first spout, first spout direction is the same with second pneumatic cylinder direction of motion, be fixed with two first sliders on the expansion plate, first slider sliding connection is in first spout.

Through adopting above-mentioned technical scheme, first slider and first spout are injectd the expansion plate position, make the expansion plate can stably slide on the support frame.

The utility model discloses further set up to: the fourth hydraulic cylinder body is fixedly connected to the supporting plate, and a piston rod of the fourth hydraulic cylinder penetrates through the supporting frame and is fixedly connected to the extrusion plate.

Through adopting above-mentioned technical scheme, utilize the fourth pneumatic cylinder to release the stripper plate, the stripper plate will scrape rubbish on the flitch and push into the rubbish owner case and extrude in extrusion curtain department, and whole process is steady and reliable operation, has fine extrusion effect to rubbish.

The utility model discloses further set up as the rubbish major tank includes the curb plate, the curb plate is provided with L shape third spout, fixedly connected with fifth pneumatic cylinder between extrusion curtain one end and the third spout, fifth pneumatic cylinder body fixed connection is close to garbage truck locomotive one side in the third spout, fifth pneumatic cylinder piston rod fixed connection is on the extrusion curtain.

Through adopting above-mentioned technical scheme, shelves extrusion curtain can be taken in the curb plate when not using to practice thrift the space. The fifth hydraulic cylinder is used for driving the extrusion curtain to extend or retract, so that the work is labor-saving and reliable.

The utility model discloses further set up as the rubbish main tank includes roof and bottom plate, the second spout has all been seted up on roof and the bottom plate, the sprue of fifth pneumatic cylinder one end fixedly connected with L shape is kept away from to the extrusion curtain, the vertical part fixed connection of sprue keeps away from fifth pneumatic cylinder one end in the extrusion curtain, sprue horizontal part sliding connection is in the second spout, the rubbish main tank has seted up the opening on keeping away from the curb plate of extrusion curtain one side.

By adopting the technical scheme, when the extrusion curtain slides into the second sliding groove, the horizontal part of the blocking block extends out of the opening, and the vertical part of the blocking block is abutted against the side plate; when the extrusion curtain slips into the third chute, the blocking block is retracted, the second chute on the bottom plate and the third chute on the side plate are shielded, and the situation that the normal use of the extrusion curtain is influenced when garbage enters the second chute and the third chute is reduced.

The utility model discloses further set up to: the extrusion curtain comprises a plurality of component rods, the two ends of the component rods are fixedly connected with connecting rods, the connecting rods are sleeved with connecting rings, the connecting rings are arranged between every two adjacent connecting rings in an up-down mode, the two ends of each connecting rod are rotatably connected with pulleys, and the pulleys are connected in second sliding grooves in a sliding mode.

Through adopting above-mentioned technical scheme, will constitute the pole and connect for can be in second spout and the gliding extrusion curtain of third spout, convenient to use.

To sum up, the utility model discloses a beneficial technological effect does:

after the scraping device scrapes the garbage in the rear material bin and compresses the garbage for the first time, the extrusion curtain slides out, the extrusion plate pushes the garbage on the scraping device into the garbage main box, the garbage is compressed for the second time at the extrusion curtain, and after the extrusion curtain is retracted, the extrusion plate further pushes the garbage into the garbage main box, so that the garbage is prevented from falling back to the rear material bin, the garbage does not need to be scraped for the second time, and the time is saved;

the extrusion curtain slides in the third sliding chute and the second sliding chute, slides into the second sliding chute when in use, and is collected into the side plate when not in use, so that the operation is convenient and the space is saved;

a plurality of hydraulic cylinders are used for driving all parts to work, so that the labor is saved, and the operation is stable and reliable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic view of the housing structure.

Fig. 3 is a schematic structural view of the scraping device.

Fig. 4 is a top view of the connection between the expansion plate and the support frame.

Fig. 5 is a schematic view of a compression device.

FIG. 6 is a top view of the connection of the extruded curtain to the side wall.

Fig. 7 is a cross-sectional view showing a model L blockout.

Fig. 8 is a schematic view of the extruded curtain composition rod of the present embodiment.

Reference numeral, 100, a main trash bin; 110. a top plate; 120. a base plate; 130. a side plate; 140. a third chute; 150. a second chute; 160. an opening; 200. a housing; 210. an upper plate; 220. a vertical plate; 230. a first hydraulic cylinder; 300. a scraping device; 310. a support frame; 320. a retractable plate; 330. a scraping plate; 340. a second hydraulic cylinder; 350. a third hydraulic cylinder; 360. a first slider; 370. a first chute 400, a compression device; 410. a support plate; 420. a pressing plate; 430. extruding the curtain; 431. a second slider; 432. forming a rod; 433. a connecting rod; 434. a connecting ring; 435. a pulley; 436. blocking; 440. a fourth hydraulic cylinder; 450. a fifth hydraulic cylinder; 500. and a storage bin is arranged at the rear part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment of the invention relates to a rear-mounted compression type garbage truck, which comprises a garbage main bin 100, wherein one end of the garbage main bin 100 is hinged with a shell 200, one end of the garbage main bin 100 is fixedly connected with a rear material bin 500, a scraping device 300 is connected in the shell 200, after garbage is loaded in the rear material bin 500, the garbage in the rear material bin 500 is scraped and lifted to be horizontal to the garbage main bin 100 through the scraping device 300, and meanwhile, the garbage is compressed for the first time through the scraping device 300. The compression device 400 is slidably connected in the garbage main bin 100, and the compression device 400 pushes the garbage compressed for the first time into the garbage main bin 100 and compresses for the second time.

Referring to fig. 1 and 2, the housing 200 is fixedly connected to the rear portion of the main trash bin 100, and the scraping device 300 and the compressing device 400 are located in the housing 200 to protect the scraping device 300 and the compressing device 400. The housing 200 includes an upper plate 210 and two vertical plates 220, the upper plate 210 is hinged to the upper end of the tail portion of the main dustbin 100, and the two vertical plates 220 are respectively and vertically fixed to two sides of the upper plate 210. Articulated between riser 220 and the rubbish main bin 100 have first pneumatic cylinder 230, and first pneumatic cylinder 230 cylinder body is articulated with rubbish main bin 100, and first pneumatic cylinder 230 piston rod is articulated with riser 220, and when first pneumatic cylinder 230 started, the piston rod stretches out, and shell 200 will be lifted by first pneumatic cylinder 230 to make things convenient for the rubbish in the rubbish main bin 100 to pour out.

Referring to fig. 3, the scraping apparatus 300 includes a supporting frame 310 fixedly coupled to the inside of the casing 200 and a telescopic plate 320 slidably coupled to the supporting frame 310. The extension plate 320 is located on the side of the support frame 310 away from the main trash bin 100. Articulated between expansion plate 320 and the support frame 310 have second pneumatic cylinder 340, and second pneumatic cylinder 340 cylinder body articulates and deviates from rubbish main tank 100 one side in support frame 310, and second pneumatic cylinder 340 piston rod articulates and deviates from support frame 310 one side in expansion plate 320. When the second hydraulic cylinder 340 is activated, the retractable plate 320 slides on the supporting frame 310 under the driving of the second hydraulic cylinder 340, and the scraping device 300 further includes a scraping plate 330 hinged to one end of the retractable plate 320 close to the rear bunker 500. The piston rod of the second hydraulic cylinder 340 extends out to drive the retractable plate 320 to approach the rear storage bin 500, so as to drive the scraping plate 330 to approach the rear storage bin 500 and finally abut against the bottom of the rear storage bin 500.

Referring to fig. 3, a third hydraulic cylinder 350 is hinged between the scraping plate 330 and the retractable plate 320, a cylinder body of the third hydraulic cylinder 350 is hinged on one side of the retractable plate 320 far away from the supporting frame 310, and a piston rod of the third hydraulic cylinder 350 is hinged on one end of the scraping plate 330 far away from the garbage main bin 100. When the third hydraulic cylinder 350 is started, the scraping plate 330 is driven by the third hydraulic cylinder 350 to rotate, and when the scraping plate 330 rotates to be horizontal to the garbage main bin 100, the free end of the scraping plate 330 abuts against the garbage main bin 100, so that the situation that garbage on the scraping plate 330 falls back to the rear material bin 500 is reduced, and the garbage in the rear material bin 500 is scraped and compressed for the first time.

Referring to fig. 4, two first sliding grooves 370 are formed in one side of the supporting frame 310 close to the expansion plate 320, the direction of the first sliding grooves 370 is the same as the moving direction of the second hydraulic cylinder 340, two first sliding blocks 360 are fixed on the expansion plate 320, and the first sliding blocks 360 are slidably connected in the first sliding grooves 370 to limit the sliding position of the expansion plate 320.

Referring to fig. 5, the main trash can 100 includes a side plate 130. The compressing device 400 includes a support plate 410 fixedly coupled within the housing 200, a compression plate 420 parallel to the support bracket 310, and a compression curtain 430 slidably coupled within the side plate 130. The pressing curtain 430 may slide out of the side plate 130 to divide the main trash can 100. The supporting plate 410 is located on one side of the supporting frame 310 far away from the main garbage bin 100, the pressing plate 420 is located on one side of the supporting plate 410 close to the main garbage bin 100, a fourth hydraulic cylinder 440 is fixedly connected between the supporting plate 410 and the pressing plate 420, the cylinder body of the fourth hydraulic cylinder 440 is fixedly connected to the supporting plate 410, and the piston rod of the fourth hydraulic cylinder 440 penetrates through the supporting plate 310 and is fixedly connected to the pressing plate 420. The pressing curtain 430 is slid out of the side plate 130, and the piston rod of the fourth hydraulic cylinder 440 is extended to push the pressing plate 420 to advance toward the inside of the main garbage bin 100, and simultaneously push the garbage on the scraper plate 330 into the main garbage bin 100. The compression plate 420 compresses the garbage pushed into the main garbage bin 100 at the compression curtains 430 for a second time, and the batch compression makes the garbage compact. After sliding the pressing curtain 430 back into the side plate 130, the pressing plate 420 continues to advance toward the inside of the main trash can 100, thereby allowing the trash to pass the position of the pressing curtain 430 into the main trash can 100.

Referring to fig. 6, an L-shaped third chute 140 is arranged in the side plate 130, and when the extrusion curtain 430 is not used, the extrusion curtain can be retracted into the third chute 140 to save volume, a fifth hydraulic cylinder 450 is fixedly connected between one end of the extrusion curtain 430 and the third chute 140, the cylinder body of the fifth hydraulic cylinder 450 is fixedly connected to one side of the third chute 140 close to the head of the garbage truck, the piston rod of the fifth hydraulic cylinder 450 is fixedly connected to the extrusion curtain 430, and the fifth hydraulic cylinder 450 can drive the extrusion curtain 430 to slide, so that the garbage truck is convenient and labor-saving.

Referring to fig. 7, the garbage main bin 100 includes a top plate 110 and a bottom plate 120, the top plate 110 and the bottom plate 120 are both provided with a second sliding groove 150, one end of the extrusion curtain 430 far from the fifth hydraulic cylinder 450 is fixedly connected with a block 436 in an L shape, a vertical portion of the block 436 is fixedly connected to one end of the extrusion curtain 430 far from the fifth hydraulic cylinder 450, and a horizontal portion of the block 436 is slidably connected in the second sliding groove 150. the side plate 130 of the garbage main bin 100 far from the extrusion curtain 430 is provided with an opening 160, when the extrusion curtain 430 slides into the second sliding groove 150, the horizontal portion of the block 436 protrudes from the opening 160, and the vertical portion of the block 436 interferes with the side plate 130. the vertical portion of the block 436 slides into the second sliding groove 150 near the top plate 110, when the extrusion curtain 430 slides into the third sliding groove 140, the horizontal portion of the block 436 returns into the second sliding groove 150, and the vertical portion of the block 436 returns into the third sliding groove 140. the block 436 blocks the second sliding groove 150 and the third sliding groove 140, thereby reducing the influence on the normal use of the extrusion curtain 430 due to.

Referring to fig. 7 and 8, the extrusion curtain 430 includes a plurality of constituent rods 432, and connecting rods 433 are fixedly connected to both ends of the constituent rods 432. The connecting rod 433 is sleeved with the connecting rings 434, and the connecting rings 434 are vertically arranged between every two adjacent connecting rings 434. Two ends of the connecting rod 433 are rotatably connected with a pulley 435, and the pulley 435 is slidably connected in the second sliding groove 150.

The implementation manner of the embodiment is as follows: the garbage in the garbage can is loaded into the rear material bin 500, the second hydraulic cylinder 340 is started, the piston rod of the second hydraulic cylinder 340 extends out to drive the scraping plate 330 to move forward towards the rear material bin 500, the third hydraulic cylinder 350 is started after the piston rod of the third hydraulic cylinder 350 extends out to drive the scraping plate 330 to rotate, the garbage in the rear material bin 500 is scraped and compressed for the first time. The fifth hydraulic cylinder 450 is actuated, the rod of the fifth hydraulic cylinder 450 extends to push the compression curtain 430 out of the third chute 140, the horizontal portion of the block 436 extends out of the opening 160, and the vertical portion of the block 436 abuts against the side plate 130. When one end of the scraper plate 330 abuts against the bottom plate 120 of the main garbage bin 100, the fourth hydraulic cylinder 440 is actuated, and the piston rod of the fourth hydraulic cylinder 440 is extended to push the pressing plate 420 to the pressing curtain 430. The pressing plate 420 is pushed to the pressing curtain 430 to press the garbage for the second time. The piston rod of the fifth hydraulic cylinder 450 retracts, the extrusion curtain 430 retracts into the third chute 140, the block 436 retracts along with the extrusion curtain 430, the horizontal part of the block 436 blocks the second chute 150 on the bottom plate 120, so that garbage is prevented from entering the second chute 150, and the vertical part of the block 436 blocks the opening 160 of the third chute 140. The pressing plate 420 is pushed by the fourth hydraulic cylinder 440 to continue to advance toward the inside of the main trash can 100, thereby allowing the trash to pass through the position of the pressing curtain 430 into the inside of the main trash can 100. After the main garbage bin 100 is filled with garbage, the first hydraulic cylinder 230 is actuated to lift the housing 200, and the garbage truck discharge plate pushes the garbage out of the main garbage bin 100.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a back-loading compression garbage truck, includes rubbish owner case (100), articulates shell (200) of rubbish owner case (100) one end, fixed connection in the rearmounted feed bin (500) of rubbish owner case (100) one end and connect in scraping device (300) in shell (200), its characterized in that: still include compressor arrangement (400), compressor arrangement (400) are including behind backup pad (410) and the roll-off of stripper plate (420), fixed connection in shell (200) with rubbish owner case (100) divided extrusion curtain (430), fixedly connected with drive stripper plate (420) is to fourth pneumatic cylinder (440) that extrusion curtain (430) slided between stripper plate (420) and backup pad (410), stripper plate (420) are close to rearmounted feed bin (500) one end and are contradicted with scraper (300).

2. A rear-loading compression garbage truck according to claim 1, characterized in that: the shell (200) comprises an upper plate (210) and two vertical plates (220), and the scraping device (300) and the compression device (400) are positioned in the shell (200).

3. A rear-loading compression garbage truck according to claim 2, characterized in that: a first hydraulic cylinder (230) is hinged between the shell (200) and the main garbage bin (100), the body of the first hydraulic cylinder (230) is hinged with the main garbage bin (100), and the piston rod of the first hydraulic cylinder (230) is hinged with the shell (200).

4. A rear-loading compression garbage truck according to claim 3, characterized in that: scraping device (300) include support frame (310) and expansion plate (320) of sliding connection on support frame (310) in shell (200), expansion plate (320) are located support frame (310) and deviate from rubbish owner case (100) one side, it has second pneumatic cylinder (340) to articulate between expansion plate (320) and support frame (310), second pneumatic cylinder (340) cylinder body articulates in support frame (310) and deviates from rubbish owner case (100) one side, second pneumatic cylinder (340) piston rod articulates in expansion plate (320) and keeps away from support frame (310) one side, scraping device (300) still include to articulate scraping plate (330) that is close to rearmounted feed bin (500) one end at expansion plate (320).

5. A rear-loading compression garbage truck according to claim 4, characterized in that: a third hydraulic cylinder (350) is hinged between the scraping plate (330) and the telescopic plate (320), the cylinder body of the third hydraulic cylinder (350) is hinged to one side, away from the supporting frame (310), of the telescopic plate (320), the piston rod of the third hydraulic cylinder (350) is hinged to one end, away from the garbage main box (100), of the scraping plate (330), and when the scraping plate (330) is driven by the third hydraulic cylinder (350) to rotate until the scraping plate (330) and the garbage main box (100) are horizontal, the free end of the scraping plate (330) is abutted to the garbage main box (100).

6. A rear-loading compression garbage truck according to claim 5, characterized in that: two first chutes (370) are formed in one side, close to the expansion plate (320), of the support frame (310), the direction of the first chute (370) is the same as the moving direction of the second hydraulic cylinder (340), two first sliding blocks (360) are fixed on the expansion plate (320), and the first sliding blocks (360) are slidably connected into the first chute (370).

7. A rear-loading compression garbage truck according to claim 6, characterized in that: the cylinder body of the fourth hydraulic cylinder (440) is fixedly connected to the supporting plate (410), and the piston rod of the fourth hydraulic cylinder (440) penetrates through the supporting frame (310) and is fixedly connected to the extrusion plate (420).

8. The rear-loading compression garbage truck as claimed in claim 7, wherein the garbage main bin (100) comprises a side plate (130), the side plate (130) is provided with a third sliding chute (140) shaped like L, a fifth hydraulic cylinder (450) is fixedly connected between one end of the extrusion curtain (430) and the third sliding chute (140), the cylinder body of the fifth hydraulic cylinder (450) is fixedly connected to one side of the third sliding chute (140) close to the head of the garbage truck, and the piston rod of the fifth hydraulic cylinder (450) is fixedly connected to the extrusion curtain (430).

9. The rear-loading compression garbage truck as claimed in claim 8, wherein the garbage main bin (100) comprises a top plate (110) and a bottom plate (120), the top plate (110) and the bottom plate (120) are both provided with a second sliding groove (150), one end of the extrusion curtain (430) far away from the fifth hydraulic cylinder (450) is fixedly connected with a block (436) in the shape of L, the vertical part of the block (436) is fixedly connected with one end of the extrusion curtain (430) far away from the fifth hydraulic cylinder (450), the horizontal part of the block (436) is slidably connected in the second sliding groove (150), and the side plate (130) of the garbage main bin (100) far away from the extrusion curtain (430) is provided with an opening (160).

10. A rear-loading compression garbage truck according to claim 9, characterized in that: extrusion curtain (430) include many and constitute pole (432), constitute pole (432) both ends fixedly connected with connecting rod (433), it sets up from top to bottom to have cup jointed between per two adjacent go-between (434) of go-between (434) on connecting rod (433), connecting rod (433) both ends are rotated and are connected with pulley (435), pulley (435) sliding connection is in second spout (150).

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