CN212765917U

CN212765917U - Chain traction type tent cover system

Info

Publication number: CN212765917U
Application number: CN202021491363.7U
Authority: CN
Inventors: 韩中良
Original assignee: Tianjin Fuyue Tongtai Technology Co ltd
Current assignee: Tianjin Fuyue Tongtai Technology Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-03-23
Anticipated expiration: 2030-07-24

Abstract

The utility model relates to a chain pull-type canopy system. The device comprises rails arranged on two sides of a carriage, a plurality of groups of sliding devices arranged on the rails, tarpaulins arranged at the tops of the sliding devices, a traction device and a driving motor; each group of sliding devices comprises two opposite sliding car assemblies, a supporting plate is arranged between the tops of the two sliding car assemblies, a tent rod is arranged between the supporting plates, and a V-shaped bracket is arranged between every two adjacent tent rods; the pulley assembly comprises a back plate, wherein the middle upper part of the back plate is provided with an upper rail wheel, the middle lower part of the back plate is provided with a lower rail wheel, and the outer side of the back plate is provided with a U-shaped supporting plate; the traction device comprises a linkage shaft, a left front chain wheel is installed at the left end of the linkage shaft, a right front chain wheel is installed at the right end of the linkage shaft, a driven chain wheel is installed in the middle of the linkage shaft, a left rear chain wheel is installed on the left side of the rear portion of the carriage, and a right rear chain wheel is installed on the right side of the rear portion of the carriage. The utility model has the advantages of reasonable design, operating stability and reliability are high, have the guard action to the tarpaulin.

Description

Chain traction type tent cover system

Technical Field

The utility model belongs to the technical field of dregs hood system, especially, relate to a chain pull-type hood system.

Background

The covering system is an environment-friendly facility for the muck truck, and when the muck truck is running, if the muck in the truck hopper is not covered, the muck in the carriage can fly up under the action of airflow and suspend/float everywhere, which causes environmental pollution and increases the dust degree in a construction area and a running route. In order to solve the pollution problem of the muck truck, in the prior art, tarpaulin is arranged on a carriage of the muck truck or a tarpaulin system is arranged to seal the carriage, so that the muck is prevented from flying under the airflow. The tarpaulin covering mode can only be operated manually, and is time-consuming and labor-consuming, so that the tarpaulin covering mode is gradually replaced by an electric control/hydraulic control tarpaulin system. The covering system is time-saving and labor-saving in operation, has a good covering effect on the muck, and is widely applied to the existing engineering vehicles, particularly muck vehicles.

The canopy system generally includes a support system that can be slidably unfolded and folded, and a driving system that drives the support system to be unfolded/folded, and a tarpaulin is installed on the support system, and when the support system is completely unfolded, the tarpaulin closes the top of the vehicle compartment, and when the support system is completely folded, the tarpaulin is folded and stored therewith, and the top of the vehicle compartment is opened.

In general, the canopy system installed on the muck truck involves frequent opening and closing operations (each loading and unloading of the muck includes at least one opening and closing operation of the canopy system), and thus the stability and reliability of the operation of the canopy system have a very important influence on the reliability of the operation of the muck truck and the efficiency of the transportation work. The existing canopy system is complex in unfolding/folding operation control due to the fact that the driving form is unreasonably designed, the operation stability and reliability of the existing canopy system are poor, the problems of jamming and the like often occur, and excessive folding of the tarpaulin is prone to breakage. Therefore, the structure of the canopy system needs to be optimally designed, the stability and the reliability of operation are improved, the convenience of operation is improved, and a proper protection effect is provided for the tarpaulin.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that exists among the known art and provide a structural design is reasonable, operating stability and reliability are high, have guard action's chain pull-type canopy system to the tarpaulin.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a chain traction type awning system comprises rails arranged on two sides of a carriage, a plurality of groups of sliding devices mounted on the rails, awning cloth mounted at the tops of the sliding devices, a traction device for driving the sliding devices to move horizontally along the rails, and a driving motor for providing power for the traction device; each group of sliding devices comprises two opposite pulley assemblies, a supporting plate is arranged between the tops of the two pulley assemblies, an awning rod is arranged between the supporting plates on the two opposite pulley assemblies, awning cloth is arranged on each awning rod, and a V-shaped bracket is arranged between every two adjacent awning rods; the pulley assembly comprises a back plate, wherein an upper rail wheel is arranged at the middle upper part of the back plate, a lower rail wheel is arranged at the middle lower part of the back plate, a U-shaped supporting plate is arranged at the outer side of the back plate, and a supporting plate is fixedly arranged at the top of the supporting plate; draw gear supports the universal driving shaft of installation including adopting left side axle bed and right side axle bed, install left front sprocket at the left end of universal driving shaft, right front sprocket is installed to the right-hand member, mid-mounting has driven sprocket, install drive sprocket on driving motor's the motor shaft and adopt chain drive with driven sprocket, install left rear sprocket in the left side at carriage rear portion, right rear sprocket is installed on the right side, be equipped with the left side chain between left front sprocket and left rear sprocket, be equipped with the right side chain between right front sprocket and right side sprocket, two pulley components that are located the slide device at rearmost respectively with left side chain and right side chain fixed connection.

The utility model has the advantages that: the utility model provides a chain pull-type canopy system that structural design is reasonable compares with current canopy system, the utility model provides a canopy system is through installing the slider that the multiunit comprises two relative pulley subassemblies, layer board and tarpaulin on these slider on the track and installing tarpaulin, has realized steadily expanding/closed technological effect under draw gear's drive effect. Through setting up actuating mechanism and being located two sets of sprocket and chain and the driving motor of carriage both sides respectively by the universal driving shaft and constitute, under driving motor's effect, the chain of both sides drives the displacement means of this side separately and makes flexible removal, therefore whole canopy system's control mode is easy and simple to handle, and equal drive power and equivalent translation rate are applyed simultaneously to both sides, have promoted whole canopy system operation's stability and reliability.

The sliding trolley assembly is composed of a back plate, a supporting plate, an upper rail wheel, a lower rail wheel and the like, the rail is located between the upper rail wheel and the lower rail wheel, the sliding trolley assembly can stably move in a horizontal mode on the rail, and therefore the stability and the reliability of the operation of the whole canopy system are further guaranteed. This chain towed canopy system installation when on the carriage, its tarpaulin produces the motion effect of similar translation propelling movement at the in-process that opens and shuts, consequently compares with current canopy system, the utility model provides a canopy system operation is more stable, is difficult for taking place the card and hinders the scheduling problem. Through installing V type support between two adjacent tarpaulin poles, make this tarpaulin system at the in-process of shrink, tarpaulin between two adjacent tarpaulin poles is by the upwards jacking of V type support, has consequently effectively avoided tarpaulin excessively to extrude folding/fold between the tarpaulin pole, provides good protection effect for the tarpaulin.

Preferably: the V-shaped support comprises a supporting rod, two first supporting arms are fixedly arranged at two ends of the supporting rod and are parallel to each other and perpendicular to the central line of the supporting rod, a second supporting arm is hinged to the root portions of the two first supporting arms, a second mounting seat and a covering or awning on a car, boat, etc. pole in front of the second mounting seat and the second mounting seat are hinged to the outer ends of the two second supporting arms, and a first mounting seat and a covering or awning on a car, boat, etc. pole in rear of the first mounting seat and the covering or awning on a car, boat, etc. pole are hinged to the outer ends of the two first.

Preferably: the supporting plate is Z-shaped, the plate body at the upper part of the supporting plate is fixedly connected with the supporting plate of the pulley assembly through bolts, and the plate body at the lower part of the supporting plate is fixedly connected with the awning rod through bolts.

Preferably: the number of the upper track wheels of the pulley assembly is one, and the number of the lower track wheels is two, and the upper track wheels and the lower track wheels are arranged in a triangle.

Preferably: the upper track wheel and the lower track wheel have the same structure and respectively comprise a ball bearing positioned in the middle and an I-shaped wheel positioned on the outer side.

Preferably: the upper rail wheel is arranged on the back plate by adopting an upper bolt, and the lower rail wheel is arranged on the back plate by adopting a lower bolt; a pressure plate is arranged between the two lower bolts.

Preferably: the tarpaulin adopts the preforming to press to hold and fix on the tarpaulin pole, and the preforming adopts screw and the tarpaulin pole fixed connection at place.

Preferably: and each mounting seat of the V-shaped support is fixedly connected with the tent pole by adopting a bolt.

Preferably: the awning rod is a straight metal square tube section, the supporting rod is a straight round metal tube section, and the central lines of the awning rod and the supporting rod are parallel.

Preferably: and a left tensioning mechanism and a right tensioning mechanism for tensioning the left chain and the right chain are respectively arranged on the left side and the right side of the carriage.

Drawings

Fig. 1 is a schematic side view of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic illustration of the configuration of the draft gear of FIG. 1;

FIG. 4 is a schematic front view of the glide assembly of FIG. 1;

FIG. 5 is a side view schematic of the carriage assembly and pallet of FIG. 4;

FIG. 6 is a front view of the carriage assembly of FIG. 4;

FIG. 7 is a schematic view of the structure of the V-shaped stent of FIG. 1;

fig. 8 is a schematic side view of the present invention.

In the figure:

1. a slipping device; 1-1, a pulley assembly; 1-1-1, lower rail wheels; 1-1-2, lower bolt; 1-1-3, upper bolt; 1-1-4, upper rail wheels; 1-1-5, a support plate; 1-1-6, reinforcing plates; 1-1-7, a back plate; 1-2, a supporting plate; 1-3, a tent pole; 1-4, tabletting; 2. a V-shaped bracket; 3. tarpaulin; 4. a track; 5. a traction device; 5-1, a linkage shaft; 5-2, a left front chain wheel; 5-3, a left shaft seat; 5-4, right front chain wheel; 5-5, right side axle seat; 5-6, a driven sprocket; 6. a drive motor; 6-1, a driving sprocket; 7. a right side chain; 8. a right rear sprocket; 9. a carriage; 10. rain-proof caps; 11. a left rear sprocket; 12. and a left chain.

Detailed Description

For further understanding of the contents, features and effects of the present invention, the following embodiments are described in detail.

Referring to fig. 1, 2 and 4, the chain-driven canopy system of the present invention includes rails 4 disposed on both sides of a carriage 9, a plurality of sets of sliding devices 1 are mounted on the rails 4, and a canopy 3 is mounted on the top of each sliding device 1.

The rails 4 are arranged on two sides of the carriage 9 of the slag car, and each sliding device 1 moves in a translation mode along the rail 4. When the plurality of the sliding units 1 are pulled laterally outward, the plurality of the sliding units 1 are moved along the rails 4 to be spread, and the tarpaulin 3 is folded when the plurality of the sliding units 1 are gathered by the pulling.

Also included is a traction device 5 that drives the displacement of the displacement means 1 along the track 4, and a drive motor 6 that powers the traction device 5. The traction device 5 drives the respective skids 1 on both sides of the carriage 9 to perform the above-mentioned evacuation/gathering action on the track 4, and accordingly the tarpaulin 3 is unfolded/folded.

Referring to fig. 4, 5 and 6, it can be seen that:

each group of sliding devices 1 comprises two opposite pulley assemblies 1-1, supporting plates 1-2 are arranged between the tops of the two pulley assemblies 1-1, awning rods 1-3 are arranged between the supporting plates 1-2 on the two opposite pulley assemblies 1-1, awning cloth 3 is arranged on each awning rod 1-3, and a V-shaped support 2 is arranged between the two adjacent awning rods 1-3.

The tent pole 1-3 is used as a support of the tent cloth 3, and the supporting plate 1-2 is used for performing transfer installation between the tent pole 1-3 and the pulley component 1-1. The V-shaped support 2 has telescopic capability, when two adjacent sliding devices 1 are closed, the middle part of the V-shaped support 2 is arched upwards to support the tarpaulin 3 between the two tarpaulin rods 1-3, so that the tarpaulin 3 is prevented from being excessively extruded and folded between the tarpaulin rods 1-3, and a protection effect is provided.

Referring to fig. 5 and 6, it can be seen that:

the pulley assembly 1-1 comprises a back plate 1-1-7, wherein the middle upper part of the back plate 1-1-7 is provided with an upper rail wheel 1-1-4, the middle lower part of the back plate is provided with a lower rail wheel 1-1-1, the outer side of the back plate 1-1-7 is provided with a U-shaped supporting plate 1-1-5, and the supporting plate 1-2 is fixedly arranged at the top of the supporting plate 1-1-5.

The back plate 1-1-7 is used as a base plate for installing track wheels, after the pulley assembly 1-1 is installed on the track 4, the track 4 is positioned between the upper track wheel 1-1-4 and the lower track wheel 1-1-1, the supporting plate 1-1-5 plays a role in supporting the supporting plate 1-2, the supporting plate 1-2 is used for supporting and bearing the awning rod 1-3, and the awning rod 1-3 is used for installing and supporting the awning cloth 3.

In the embodiment, in order to improve the overall structural strength of the pulley assembly 1-1, the inner side of the top corner of the supporting plate 1-1-5 is also provided with a reinforcing plate 1-1-6, and the reinforcing plate 1-1-6 and the supporting plate 1-1-5 are welded and fixed.

In the embodiment, the supporting plate 1-2 is Z-shaped and is formed by compression molding of a metal plate, a plate body at the upper part of the supporting plate is fixedly connected with a supporting plate 1-1-5 of the pulley assembly 1-1 through a bolt, and a plate body at the lower part of the supporting plate is fixedly connected with a tent rod 1-3 through a bolt. As shown in the drawings, after the tent poles 1-3 are installed between the support boards 1-2, the tops thereof are positioned at approximately the same height as the upper plate bodies of the support boards 1-2, so that when the tent cloth 3 is installed on each of the tent poles 1-3, the edges thereof just overlap the support boards 1-3, and the tent cloth 3 is in a flat state when fully unfolded as viewed from the surface.

As shown in the figure, the tent poles 1-3 are straight metal square pipe sections. Further, the tent poles 1-3 are fixedly connected with the plate body at the lower part of the supporting plate 1-2 through bolts or screws, when the tent poles are connected through the bolts, strip-shaped holes penetrating to the outer ends are formed in the bottom walls of the tent poles 1-3, the nut portions of the bolts slide into the strip-shaped holes from outside to inside during installation, nuts are arranged at the lower parts of the supporting plates 1-2 for locking, when the tent poles are connected through the screws, threaded holes are formed in the bottom walls of the tent poles 1-3, the screws are screwed upwards from the lower parts of the supporting plates 1-2, and the plate body of the supporting plates 1-2 is fixedly connected with the tent poles 1-3.

As shown in figures 4 and 8, the tarpaulin 3 is pressed and fixed on the tarpaulin rod 1-3 by the pressing sheets 1-4, and the pressing sheets 1-4 are fixedly connected with the tarpaulin rod 1-3 by the bolts. Specifically, connecting holes are formed in the pressing sheets 1-4, threaded holes are formed in the top walls of the awning rods 1-3, and screws are screwed downwards from the upper sides of the pressing sheets 1-4 to fixedly connect the pressing sheets 1-4 with the awning rods 1-3, so that the installation of the awning cloth 3 is completed.

Referring to fig. 5 and 6, the carriage assembly 1-1 has one upper rail wheel 1-1-4 and two lower rail wheels 1-1-1, which are arranged in a triangle.

In this embodiment, the upper track wheel 1-1-4 and the lower track wheel 1-1-1 have the same structure, and both include a ball bearing in the middle and an i-shaped wheel on the outer side. Further, the upper track wheels 1-1-4 are mounted on the back plate 1-1-7 through upper bolts 1-1-3, and the lower track wheels 1-1-1 are mounted on the back plate 1-1-7 through lower bolts 1-1-2.

In order to ensure the strength of the whole structure, a pressure plate 1-1-8 is arranged between the two lower bolts 1-1-2. The pressing plate 1-1-8 combines the two lower bolts 1-1-2 into a whole, namely, the wheel shafts of the two lower track wheels 1-1-1 are combined into a whole, so that the track wheels are more stable and are not easy to deform during translational movement along the track 4, and the problem of blocking of the track wheels is ensured not to occur easily.

When the displacement device 1 gathers together, tarpaulin 3 takes place to fold, and tarpaulin 3 between two sets of adjacent displacement device 1 is folded and is produced the fold, therefore tarpaulin 3 is at the operation process that opens and shuts many times, and tarpaulin 3 can produce excessive folding or fold, leads to tarpaulin 3's intensity variation. Therefore, in order to solve the problem, the V-shaped bracket 2 is arranged between the two adjacent groups of sliding devices 1, and when the sliding devices 1 gather/the tarpaulin 3 is folded, the tarpaulin 3 between the two adjacent groups of sliding devices 1 is supported, so that the excessive folding/wrinkling is avoided, and a certain protection effect is provided for the tarpaulin 3.

Referring to fig. 7 and 8, it can be seen that:

the V-shaped support 2 comprises support rods 2-4, the support rods 2-4 are straight round metal pipe profiles, and the central lines of the tent rods 1-3 and the support rods 2-4 are parallel. As shown in the figure, two first support arms 2-5 are fixedly arranged at two ends of a support rod 2-4, the two first support arms 2-5 are parallel to each other and are perpendicular to the central line of the support rod 2-4, a second support arm 2-2 is hinged at the root parts of the two first support arms 2-5, a second mounting seat 2-1 is hinged at the outer end of each second support arm 2-2, the second mounting seat 2-1 is fixedly connected with a canopy rod 1-3 positioned in front, a first mounting seat 2-6 is hinged at the outer end of each first support arm 2-5, and the first mounting seat 2-6 is fixedly connected with the canopy rod 1-3 positioned in rear.

As shown in the drawing, both the first arm 2-5 and the second arm 2-2 are hinge-connected at the root by a hinge shaft 2-3.

In the embodiment, each mounting seat of the V-shaped support 2 is fixedly connected with the tent poles 1-3 by bolts. When the distance between the tent poles 1-3 on the two sides is shortened, namely the sliding device 1 gathers and moves, the supporting rods 2-4 of the V-shaped bracket 2 are arched upwards to support the tent cloth 3 between the two tent poles 1-3 upwards, so that excessive extrusion folding is avoided, and the protection effect is provided.

Referring to fig. 2 and 3, it can be seen that:

the traction device 5 comprises a linkage shaft 5-1 supported and installed by a left shaft seat 5-2 and a right shaft seat 5-5, a left front chain wheel 5-3 is installed at the left end of the linkage shaft 5-1, a right front chain wheel 5-4 is installed at the right end of the linkage shaft 5-1, and a driven chain wheel 5-6 is installed in the middle of the linkage shaft. The driving chain wheel 6-1 and the driven chain wheel 5-6 which are arranged on the motor shaft of the driving motor 6 are driven by chains.

A left rear chain wheel 11 is arranged on the left side of the rear part of the carriage 9, a right rear chain wheel 8 is arranged on the right side, a left chain 12 is arranged between the left front chain wheel 5-3 and the left rear chain wheel 11, and a right chain 7 is arranged between the right front chain wheel 5-4 and the right rear chain wheel 8. Under the driving action of the driving motor 6, the linkage shaft 5-1 drives the left side chain 12 and the right side chain 7 on the left and right sides to rotate in the same speed and direction.

Two pulley assemblies 1-1 of the sliding device 1 positioned at the tail end are respectively fixedly connected with a left side chain 12 and a right side chain 7, the sliding device 1 positioned at the head end is fixedly connected with the front part of a carriage 9, and other sliding devices 1 are connected through a tarpaulin 3. In this embodiment, in order to achieve a more stable transmission effect, a left tensioning mechanism and a right tensioning mechanism for tensioning the left chain 12 and the right chain 7 are respectively arranged on the left side and the right side of the carriage 9. Typically, the tensioning mechanism comprises a support arm and a spring for providing elastic force to the support arm, a tensioning chain wheel is arranged at the end part of the support arm, and a tensioning linkage is pressed in the middle of the left side chain 12 and the right side chain 7 to generate corresponding tensioning action.

The operation mode is as follows:

as shown in fig. 1 and 2, the driving motor 6 is generally mounted to the front of the vehicle compartment 9 using a motor bracket, and a rain hat 10 is generally provided at the front of the vehicle compartment 9; when the awning system is contracted, each sliding device 1 at the rear part moves towards the front part, so that the awning cloth 3 is gradually contracted and folded, and finally, the completely folded and gathered awning cloth 3/each sliding device 1 completely falls into a space below the rain hat 10; when the awning is required to be unfolded, the driving motor 6 is controlled to rotate reversely by the vehicle-mounted controller, the linkage shaft 5-1 drives the left side chain 12 and the right side chain 7 to move backwards, the rear sliding devices 1 are directly driven to move backwards along the track 4, each sliding device 1 in the middle moves under the traction action of the gradually unfolded awning cloth 3, and finally, when the awning cloth 3 is completely unfolded, the awning cloth 3 covers the carriage 9.

Claims

1. The utility model provides a chain towed canopy system which characterized by: the device comprises rails (4) arranged on two sides of a carriage (9), a plurality of groups of sliding devices (1) arranged on the rails (4), tarpaulins (3) arranged at the tops of the sliding devices (1), a traction device (5) for driving the sliding devices (1) to move horizontally along the rails (4) and a driving motor (6) for providing power for the traction device (5);

each group of sliding devices (1) comprises two opposite sliding car assemblies (1-1), supporting plates (1-2) are installed between the tops of the two sliding car assemblies (1-1), tent poles (1-3) are installed between the supporting plates (1-2) on the two opposite sliding car assemblies (1-1), tent cloth (3) is installed on each tent pole (1-3), and a V-shaped support (2) is installed between every two adjacent tent poles (1-3); the pulley assembly (1-1) comprises a back plate (1-1-7), wherein the middle upper part of the back plate (1-1-7) is provided with an upper rail wheel (1-1-4), the middle lower part of the back plate is provided with a lower rail wheel (1-1-1), the outer side of the back plate (1-1-7) is provided with a U-shaped supporting plate (1-1-5), and the supporting plate (1-2) is fixedly arranged at the top of the supporting plate (1-1-5);

the traction device (5) comprises a linkage shaft (5-1) supported and installed by a left shaft seat (5-2) and a right shaft seat (5-5), a left front chain wheel (5-3) is installed at the left end of the linkage shaft (5-1), a right front chain wheel (5-4) is installed at the right end, a driven chain wheel (5-6) is installed in the middle, a driving chain wheel (6-1) installed on a motor shaft of a driving motor (6) and the driven chain wheel (5-6) are in chain transmission, a left rear chain wheel (11) is installed on the left side of the rear part of a carriage (9), a right rear chain wheel (8) is installed on the right side, a left chain (12) is arranged between the left front chain wheel (5-3) and the left rear chain wheel (11), a right chain (7) is arranged between the right front chain wheel (5-4), two pulley assemblies (1-1) of the rearmost sliding device (1) are fixedly connected with the left side chain (12) and the right side chain (7) respectively.

2. The chain-pulling canopy system of claim 1, wherein: the V-shaped bracket (2) comprises a supporting rod (2-4), two first supporting arms (2-5) are fixedly arranged at two ends of the supporting rod (2-4), the two first supporting arms (2-5) are parallel to each other and are vertical to the central line of the supporting rod (2-4), the roots of the two first support arms (2-5) are hinged with second support arms (2-2), the outer ends of the two second support arms (2-2) are hinged with second mounting seats (2-1), the second mounting seats (2-1) are fixedly connected with the front awning rods (1-3), the outer ends of the two first support arms (2-5) are respectively hinged with a first mounting seat (2-6), and the first mounting seats (2-6) are fixedly connected with a tent pole (1-3) positioned behind.

3. The chain-pulling canopy system of claim 2, wherein: the supporting plate (1-2) is Z-shaped, the plate body at the upper part of the supporting plate is fixedly connected with the supporting plate (1-1-5) of the pulley assembly (1-1) by bolts, and the plate body at the lower part of the supporting plate is fixedly connected with the tent rod (1-3) by bolts.

4. A chain-driven canopy system as defined in claim 3, wherein: the number of the upper track wheels (1-1-4) of the pulley assembly (1-1) is one, and the number of the lower track wheels (1-1-1) is two, and the upper track wheels and the lower track wheels are arranged in a triangle.

5. The chain-pulling canopy system of claim 4, wherein: the upper track wheel (1-1-4) and the lower track wheel (1-1-1) have the same structure and respectively comprise a ball bearing positioned in the middle and an I-shaped wheel positioned on the outer side.

6. The chain-pulling canopy system of claim 5, wherein: the upper rail wheels (1-1-4) are arranged on the back plate (1-1-7) by adopting upper bolts (1-1-3), and the lower rail wheels (1-1-1) are arranged on the back plate (1-1-7) by adopting lower bolts (1-1-2); a pressure plate (1-1-8) is arranged between the two lower bolts (1-1-2).

7. The chain-pulling canopy system of claim 6, wherein: the tarpaulin (3) is pressed and fixed on the tarpaulin rods (1-3) by adopting pressing sheets (1-4), and the pressing sheets (1-4) are fixedly connected with the tarpaulin rods (1-3) by adopting screws.

8. The chain-pulling canopy system of claim 7, wherein: each mounting seat of the V-shaped bracket (2) is fixedly connected with the tent pole (1-3) by bolts.

9. The chain-pulling canopy system of claim 8, wherein: the awning rod (1-3) is a straight metal square tube section, the supporting rod (2-4) is a straight round metal tube section, and the central lines of the awning rod (1-3) and the supporting rod (2-4) are parallel.

10. The chain-drive canopy system of claim 9, wherein: the left side and the right side of the carriage (9) are respectively provided with a left tensioning mechanism and a right tensioning mechanism which are used for tensioning the left chain (12) and the right chain (7).