CN210652848U

CN210652848U - Carriage closing device and muck truck

Info

Publication number: CN210652848U
Application number: CN201921662300.0U
Authority: CN
Inventors: 杜云海
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-02
Anticipated expiration: 2029-09-29

Abstract

The utility model relates to a carriage sealing device, including the carriage railway carriage or compartment body, locate slip assembly and transmission assembly on the carriage railway carriage or compartment body, the slip assembly includes the guide rail and locates a plurality of coasters on the guide rail, the coaster includes the afterbody coaster that is close to the carriage railway carriage or compartment body afterbody, still includes afterbody lock assembly, afterbody lock assembly includes shift fork, afterbody rack and locates the shift fork round pin axle outside the afterbody coaster, the rotatable suit of shift fork is in on the shift fork round pin axle, the upper end of shift fork with the afterbody rack is connected, and the lower extreme is equipped with U type fork, carriage body afterbody is equipped with the fixed axle, the fixed axle can insert or deviate from the U type fork mouth; the utility model also discloses a dregs car with good closed shed lid, it includes as above carriage obturator. The beneficial effects are as follows: the sealing device has the advantages of stable structure, smooth opening and closing, good sealing effect, convenient operation, firm locking and small volume after storage.

Description

Carriage closing device and muck truck

Technical Field

The utility model relates to a transport vehicle box seals technical field, especially relates to a carriage obturator, still relates to the dregs car.

Background

The slag car is also called a soil pulling car and a slag transport car, which is not particularly specified as a car, but refers to a truck for transporting building materials such as sand and stone. The common muck trucks are large dump trucks, such as large dump trucks. The muck truck is mainly used for loading, unloading and transporting earthwork, gravel and construction waste required by urban capital construction and real estate construction, the problems of leakage, dust raising, peculiar smell and the like are easily caused in the running process of a vehicle fully loaded with goods, the urban environment is seriously polluted, traffic accidents are easily caused, and the lives of residents are seriously influenced.

In order to solve the environmental problems that the 'dirty vehicles' of the muck truck travel on the road in cities and the like, environmental protection departments have already provided a series of management measures, the existing muck truck also adopts a side-open or tarpaulin top cover, but the side-open metal cover has heavy mass, has high requirements on a hydraulic system and assembly precision, is easy to damage and has high failure rate, so that the vehicle attendance rate is low; the tarpaulin cover system in the form of steel wire rope or chain transmission adopted by the slag car can better solve the problem of dust raising at the front part of the carriage, but the rear tail part can not be completely closed. Although some carriages adopt inclined shed rods at the rear tail and are provided with hanging curtains, the shed rods can reset due to imperfect technology in normal operation of the vehicle, the shed rods and the hanging curtains can be opened at any time under the action of wind force, raised dust remains and the closed effect of buckling cannot be achieved; especially, when the vehicle bumps, the material blocks can be scattered, so that pollution is caused, and potential safety hazards of roads can be caused. Therefore, the material leakage and dust raising at the rear part of the carriage become persistent symptoms of pollution caused by the muck truck, and a technical contradiction is provided for ensuring that the rear tail part of the carriage is reliably closed during operation, ensuring that the canopy can be smoothly opened and closed, and not influencing loading and unloading.

In addition, the existing muck truck generally adopts a square pipe guide rail, the upper plane of the guide rail is horizontal, rockfall materials often fall on the guide rail, the stability of the tackle is poor, the tackle is prone to being inclined and damaged, the damage caused by friction between the tackle and the guide rail is serious, a tensioner for tensioning a chain is prone to blocking stones, the operation of the tackle can be hindered seriously, even the two sides are asynchronous, and the blockage or damage of a driving mechanism when a canopy is opened or closed is caused. This also affects the operating efficiency of the entire vehicle.

SUMMERY OF THE UTILITY MODEL

Not enough to above-mentioned prior art exists, the utility model provides a carriage obturator rational in infrastructure, closing cap lock are nimble, and sealed respond well.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a carriage obturator, includes the carriage railway carriage or compartment body, locates slip assembly and transmission assembly on the carriage railway carriage or compartment body, the slip assembly includes the guide rail and locates a plurality of coasters on the guide rail, the coaster is including being close to the afterbody coaster of carriage railway carriage or compartment body afterbody, its characterized in that still includes afterbody lock assembly, afterbody lock assembly includes shift fork, afterbody rack and locates the shift fork round pin axle in the afterbody coaster outside, the rotatable suit of shift fork is in the shift fork round pin epaxially, the upper end of shift fork with the afterbody rack is connected, and the lower extreme is equipped with U type fork mouth, carriage railway carriage or compartment body afterbody is equipped with the fixed axle, the fixed axle can insert or deviate from U type fork.

The utility model has the advantages that: when the carriage is closed, the pulley is started to act at one time, the shifting fork automatically acts at the rear part of the carriage to drive the tail canopy frame buckle cover to turn over and buckle to the tail part of the carriage, the tail canopy frame is locked to be stably closed, and the carriage is not influenced by wind force during operation and is always buckled with the carriage body of the carriage into a whole; when the trailer is opened, the pulley is started for one time to act, the tail shed frame overturns to automatically overturn to the upper side of the compartment tarpaulin and is automatically positioned along with the tail shed frame, and the trailer can not be toppled over due to jolting, inclination and wind blowing, does not occupy the opening space of the compartment, and does not influence cargo loading and unloading. The opening and closing are smooth, the sealing effect is good, the operation is convenient, the locking is firm, and the volume is small after the storage.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the U-shaped fork opening comprises a rear side and a front side, and the length of the rear side is smaller than that of the front side.

The technical scheme has the advantages that when the tarpaulin runs from the front part of the carriage to the rear part of the carriage, even if the angle of the shifting fork is slightly changed, the fixed shaft can be ensured to be smoothly and accurately embedded into the U-shaped fork opening due to the short rear side edge and the long front side edge; when the tarpaulin is opened, the tail canopy frame can be just turned over to the upper part of the arched canopy rod, and the open space of the carriage is not occupied.

Further, the afterbody rack includes first canopy pole and second canopy pole, the lower extreme of first canopy pole with the upper end of shift fork is connected, the upper end of first canopy pole with the upper end of second canopy pole is connected, still including locating horizontal canopy pole between the canopy pole forms U-shaped canopy pole through horizontal canopy pole.

Adopt above-mentioned further scheme's beneficial effect be, through first canopy pole and second canopy pole form afterbody tarpaulin skeleton, can ensure the tight lock of afterbody tarpaulin.

The tail pulley is characterized by further comprising a shifting fork limiting mechanism, wherein the shifting fork limiting mechanism comprises a limiting hook and a tension spring, the lower end of the limiting hook is in a hook shape, a hook pin shaft is arranged on the rear side edge of the shifting fork, the limiting hook is rotatably sleeved on the hook pin shaft, and the tension spring is connected between the tail pulley and the limiting hook.

The beneficial effect who adopts above-mentioned further scheme is that, when the rear canopy frame lock, shift fork stop gear can pass through the lower extreme of spacing couple is the crotch form and plays stable locking effect.

Furthermore, shift fork stop device still includes the backup pad, the one end of backup pad is fixed on the afterbody coaster, and the other end is equipped with the round pin post, the upper end of spacing couple be equipped with the bayonet socket of couple round pin axle looks adaptation.

The beneficial effect who adopts above-mentioned further scheme is that, when the buckle of tail rack, can pass through the lower extreme of spacing couple is hook-shaped and shift fork round pin axle locking shift fork, can pass through couple round pin axle locking extension spring and shift fork position when tail rack overturns and opens.

Further, the transmission assembly is including locating driven sprocket and the drive sprocket at guide rail both ends, driven sprocket with be equipped with drive chain between the drive sprocket, drive chain's both ends are fixed through the chain mounting on the afterbody coaster, form the loop configuration, still be equipped with chain overspeed device tensioner on the driven sprocket.

The chain tensioning device comprises a fixed plate, a sliding plate and a tensioning bolt, wherein the fixed plate is provided with a sliding chute, the sliding plate can slide on the fixed plate relatively, one end of the sliding plate is provided with a chain wheel shaft, the driven chain wheel is sleeved on the chain wheel shaft, and the other end of the sliding plate is fixed on the tensioning bolt.

The beneficial effect of adopting above-mentioned further scheme is that, the transmission assembly only needs the action of drive afterbody coaster, can promote or drive other coasters through the tarpaulin and move together.

Furthermore, the corresponding coasters on the two sides of the carriage body are provided with arched shed frames, the arched shed frames are provided with tarpaulins, and the tail parts of the tarpaulins cover and are fixed on the tail part shed frames.

Adopt above-mentioned further scheme's beneficial effect to be, form whole canopy through arch rack.

Furthermore, the cross section of the guide rail is of an annular structure with an opening in the bottom surface, the upper plane of the guide rail is an inclined plane, the guide rail is used for hanging the pulley, a chain protection pipe is further arranged below the guide rail, and the transmission chain penetrates through the guide rail and the lower guide rail to form the annular structure.

The beneficial effect who adopts above-mentioned further scheme is that the above-mentioned inclined plane of guide rail can guarantee that the blanking rolls in time, and long-pending material does not influence the coaster operation.

Further, the pulley comprises a hook-shaped bent plate and rollers, the hook-shaped bent plate comprises lower end bending parts, and the bending parts are sleeved with a plurality of rollers through roller shafts.

And tarpaulin fixing bolts are further arranged on the outer sides of the hook-shaped curved plates.

The beneficial effect who adopts above-mentioned further scheme is, guarantees that the coaster is fixed stable, the operation is smooth and easy.

The tail part of the awning cloth is provided with a buckling notch matched with the carriage box plate. The tail canopy frame and the carriage plate are conveniently buckled deeply, and sealing is guaranteed.

The utility model also discloses a dregs car with good closed canopy lid:

the muck truck is characterized by comprising the carriage sealing device.

The utility model has the advantages that: the muck truck solves the problem that the tail part of the carriage cannot be completely sealed, particularly the tail part is sealed, and the tarpaulin is convenient to open and close. Under the condition of not adding any additional operation, the sealing effect is achieved, and the loading and unloading are not affected.

Drawings

Fig. 1 is a schematic structural view (closed state) of the present invention;

fig. 2 is a schematic structural view (open state) of the present invention;

FIG. 3 is a schematic view of the structure of the tail fastening assembly of the present invention;

FIG. 4 is a schematic diagram of the turning state of the tail fastening assembly of the present invention;

FIG. 5 is a schematic view of the sliding and drive assembly of the present invention;

fig. 6 is a schematic structural view of the sliding assembly of the present invention;

3 FIG. 3 7 3 is 3 a 3 schematic 3 view 3 of 3 the 3 cross 3- 3 sectional 3 structure 3 taken 3 along 3 the 3 line 3 A 3- 3 A 3 in 3 FIG. 3 5 3; 3

Fig. 8 is a schematic view of the pulley structure of the present invention;

FIG. 9 is a schematic view of the tail pulley structure of the present invention;

FIG. 10 is a schematic structural view of the present invention with a shifting fork position-limiting mechanism;

fig. 11 is a schematic view of the tensioning structure of the present invention;

FIG. 12 is a schematic structural view of the muck carriage body of the present invention;

in fig. 1 to 12, 1, a car body; 2. a guide rail; 2-1, a guide rail; 2-2, a lower guide rail; 3. A pulley; 3-1, hook-shaped bent plates; 3-2, rollers; 3-3, roller shaft; 3-4, fixing bolts for tarpaulin; 4. A tail pulley; 4-1, chain fixing parts; 5. a shifting fork; 5-1, U-shaped fork openings; 5-2, front side; 5-3, the rear side; 6. a shifting fork pin shaft; 7. a fixed shaft; 8. a tail canopy frame; 8-1, a first shed rod; 8-2, a second shed rod; 9. a driven sprocket; 10. a drive sprocket; 11. a drive chain; 12. a chain tensioner; 12-1, fixing plates; 12-2, a sliding plate; 12-3, tensioning bolts; 12-4, a chute; 12-5, a sprocket shaft; 13. an arched shed frame; 14. tarpaulin; 15. a shifting fork limiting mechanism; 15-1, a limiting hook; 15-2, a tension spring; 15-3; a hook pin shaft; 15-4, a support plate; 15-5, a pin; 15-6 and a bayonet.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 11, a carriage sealing device includes a carriage body 1, a sliding assembly and a transmission assembly disposed on the carriage body 1, wherein the sliding assembly includes a guide rail 2 and a plurality of pulleys 3 disposed on the guide rail 2, and each of the pulleys 3 includes a tail pulley 4 disposed near the tail of the carriage body 1, and is characterized by further including a tail fastening assembly, which includes a fork 5, a tail shelf 8 and a fork pin 6 disposed outside the tail pulley 4, the fork 5 is rotatably mounted on the fork pin 6, the upper end of the fork 5 is connected to the tail shelf 8, the lower end of the fork 5-1 is provided with a U-shaped fork opening 5-1, the tail of the carriage body 1 is provided with a fixed shaft 7, and the fixed shaft 7 can be inserted into or removed from the U-shaped fork opening 5-1.

The shifting fork pin shaft can also be used as the tarpaulin fixing bolt 3-4.

The U-shaped fork opening 5-1 comprises a rear side 5-3 and a front side 5-2, and the length of the rear side 5-3 is smaller than that of the front side 5-2.

The tail canopy frame 8 comprises a first canopy rod 8-1 and a second canopy rod 8-2, the lower end of the first canopy rod 8-1 is connected with the upper end of the shifting fork 5, the upper end of the first canopy rod 8-1 is connected with the upper end of the second canopy rod 8-2, and the tail canopy frame further comprises horizontal canopy rods arranged between the canopy rods.

As shown in fig. 10, as a modification of the present invention; the tail pulley is characterized by further comprising a shifting fork limiting mechanism 15, the shifting fork limiting mechanism comprises a limiting hook 15-1 and a tension spring 15-2, the lower end of the limiting hook is in a hook shape, a hook pin shaft 15-3 is arranged on the rear side edge of the shifting fork 5, the limiting hook 15-1 is rotatably sleeved on the hook pin shaft, and the tension spring 15-2 is connected between the tail pulley and the limiting hook.

The shifting fork limiting device further comprises a supporting plate 15-4, one end of the supporting plate is fixed on the tail pulley 4, a pin 15-5 is arranged at the other end of the supporting plate, and a bayonet 15-6 matched with the pin 15-5 is arranged at the upper end of the limiting hook 15-1.

The working principle of the shifting fork limiting mechanism is as follows:

when the tail canopy frame is buckled, the lower end of the limiting hook contacts with the shifting fork pin shaft before the shifting fork, so that the limiting hook rotates anticlockwise around the shifting fork pin shaft, the hook of the limiting hook is buckled on the shifting fork pin shaft, and then the shifting fork contacts with the shifting fork pin shaft, so that the shifting fork rotates anticlockwise around the shifting fork pin shaft to be buckled; on the contrary, when the tail canopy frame is opened, the tension spring pulls the limiting hook to rotate clockwise around the shifting fork pin shaft, and the limiting hook is separated after the shifting fork is separated from the shifting fork pin shaft and is automatically hung on the hook pin shaft. The folding device has the advantages that the tail canopy frame automatically turns over the carriage tarpaulin and is automatically positioned along with the carriage tarpaulin, the tarpaulin can not be toppled over due to jolting, inclining and wind blowing, the side face of the tarpaulin is automatically bound to fold the tarpaulin after the tarpaulin is folded, and the tarpaulin is tidy and not scattered.

The transmission assembly comprises a driven sprocket 9 and a driving sprocket 10 which are arranged at two ends of the guide rail 2, a transmission chain 11 is arranged between the driven sprocket 9 and the driving sprocket 10, and two ends of the transmission chain 11 are fixed on the tail pulley 4 through chain fixing pieces 4-1 to form an annular structure.

The guide rail 2 comprises a guide rail 2-1 and a lower guide rail 2-2, the cross section of the guide rail 2-1 is of an annular structure with an opening at the bottom, the upper surface of the guide rail 2-1 is an inclined surface, the guide rail 2-1 is used for hanging the pulley 3, and the chain penetrates through the guide rail 2-1 and the lower guide rail 2-2 to form the annular structure.

The pulley 3 comprises a hook-shaped curved plate 3-1 and rollers 3-2, the hook-shaped curved plate 3-1 comprises a lower end bending part, and a plurality of rollers 3-2 are sleeved on the bending part through roller shafts 3-3. Tarpaulin fixing bolts 3-4 are further arranged on the outer sides of the hook-shaped curved plates 3-1. The tail pulley is generally provided with 8 symmetrical rollers inside and outside, and other pulleys are arranged inside and outside 6 rollers.

The driven sprocket 9 is further provided with a chain tensioning device 12, the chain tensioning device 12 comprises a fixed plate 12-1, a sliding plate 12-2 and a tensioning bolt 12-3, the fixed plate 12-1 is provided with a sliding groove 12-4, the sliding plate 12-2 can slide on the fixed plate 12-1 relatively, one end of the sliding plate 12-2 is provided with a sprocket shaft 12-5, the driven sprocket 9 is sleeved on the sprocket shaft 12-5, and the other end of the sliding plate 12-2 is fixed on the tensioning bolt 12-3.

The corresponding pulley 3 on the two sides of the carriage body 1 is provided with an arched shed frame 13, the arched shed frame 13 is provided with a tarpaulin 14, and the tail part of the tarpaulin 14 covers and is fixed on the tail part shed frame 8.

The tail part of the tarpaulin 14 is provided with a buckling gap matched with the carriage box plate.

The utility model also discloses a dregs car with good closed canopy lid:

as shown in fig. 11, the muck truck discloses a traction head and a carriage, and further comprises the carriage sealing device.

The utility model discloses a work like this:

when the muck truck needs to close the canopy, a speed reducing motor is started, the speed reducing motor drives a driving chain wheel 10, as shown in fig. 5, the left side in the drawing is the truck tail side, the driving chain wheel 10 rotates anticlockwise to pull a chain, the chain drives a tail pulley 4 to move leftwards, the tail pulley 4 pulls a tarpaulin 14, the tarpaulin 14 sequentially drives other pulleys 3 to move leftwards, when a U-shaped fork opening 5-1 of a shifting fork 5 touches a fixed shaft 7, the tail pulley 4 continues to move leftwards to drive the shifting fork 5 to rotate anticlockwise around a shifting fork pin shaft 6, the fixed shaft 7 enters the U-shaped fork opening 5-1 to enable a tail canopy frame 8 to turn over and buckle the rear part of the carriage, the movement is automatically stopped (only one side of the carriage is shown in the drawing), the device is arranged on two sides of the carriage, and the top and the tail of the carriage are covered by the tail; the start and stop of the speed reducing motor is completely controlled by the original vehicle control system.

When the muck truck needs to open the shed cover, the speed reduction motor is started, the driving sprocket 10 rotates clockwise, the tail pulley 4 slides towards the right side, the fixed shaft 7 clamps the U-shaped fork 5-1 of the shifting fork 5 to enable the shifting fork to rotate clockwise around the shifting fork pin shaft 6 of the tarpaulin 14, when the tail shed frame 8 turns over to the top of the front tarpaulin 14, the fixed shaft 7 is separated from the U-shaped fork 5-1 of the shifting fork 5, the shifting fork 5 stops rotating, the tail pulley 4 continues to slide rightwards, other pulleys 3 are sequentially pushed to the right side of the carriage, when the pulleys 3 are completely closed, the movement is automatically stopped to achieve the closing effect, the closed tail shed frame 8 forms a plane at the tops of other shed rods, and the opening area of the carriage is not affected. In fig. 4, a), b), c) respectively show the schematic diagrams of the process of turning open the tail canopy frame 8.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a carriage obturator, includes the carriage railway carriage or compartment body, locates slip assembly and transmission assembly on the carriage railway carriage or compartment body, the slip assembly includes the guide rail and locates a plurality of coasters on the guide rail, the coaster is including being close to the afterbody coaster of carriage railway carriage or compartment body afterbody, its characterized in that still includes afterbody lock assembly, afterbody lock assembly includes shift fork, afterbody rack and locates the shift fork round pin axle in the afterbody coaster outside, the rotatable suit of shift fork is in the shift fork round pin epaxially, the upper end of shift fork with the afterbody rack is connected, and the lower extreme is equipped with U type fork mouth, carriage railway carriage or compartment body afterbody is equipped with the fixed axle, the fixed axle can insert or deviate from U type fork.

2. The car closure of claim 1, wherein the U-shaped fork includes a rear side and a front side, the rear side having a length less than the front side.

3. The compartment sealing device as claimed in claim 2, wherein the tail shelf includes a first shelf rod and a second shelf rod, a lower end of the first shelf rod is connected with an upper end of the shifting fork, an upper end of the first shelf rod is connected with an upper end of the second shelf rod, and a horizontal shelf rod is disposed between the shelf rods, and a U-shaped shelf rod is formed by the horizontal shelf rod.

4. The carriage sealing device as claimed in claim 1, 2 or 3, further comprising a shift fork position-limiting mechanism, wherein the shift fork position-limiting mechanism comprises a position-limiting hook and a tension spring, the lower end of the position-limiting hook is in a hook shape, a hook pin shaft is arranged on the rear side edge of the shift fork, the position-limiting hook is rotatably sleeved on the hook pin shaft, and the tension spring is connected between the tail pulley and the position-limiting hook.

5. The carriage sealing device as claimed in claim 4, wherein the shifting fork position-limiting device further comprises a supporting plate, one end of the supporting plate is fixed on the tail pulley, the other end of the supporting plate is provided with a pin, and the upper end of the position-limiting hook is provided with a bayonet matched with the pin shaft of the hook.

6. The car sealing device as claimed in claim 1 or 2, wherein the driving assembly comprises a driven sprocket and a driving sprocket arranged at two ends of the guide rail, a driving chain is arranged between the driven sprocket and the driving sprocket, two ends of the driving chain are fixed on the tail pulley through chain fixing pieces, and a chain tensioning device is further arranged on the driven sprocket.

7. The compartment sealing device as claimed in claim 1, wherein an arched canopy frame is installed on the corresponding trolley on both sides of the compartment body, a tarpaulin is installed on the arched canopy frame, and a tail portion of the tarpaulin covers and is fixed on the tail portion canopy frame.

8. The car closure of claim 1, wherein the cross-section of the rail is a ring structure with an opening at the bottom, and the upper plane of the rail is an inclined plane.

9. The car closing apparatus according to claim 1 or 2, wherein the tackle includes a hook-shaped bent plate and a roller, the hook-shaped bent plate includes a lower end bent portion, and a plurality of rollers are fitted over the bent portion via roller shafts.

10. A muck truck comprising the carriage containment apparatus as claimed in any one of claims 1 to 9.