Automatic tarpaulin covering device

Abstract

The utility model discloses an automatic tarpaulin covering device which comprises tarpaulin, a power part arranged on a carriage or a truck chassis, a transmission structure connected with the power part and a connecting structure arranged at the end of the transmission part and used for being connected with the tarpaulin. The power part comprises a motor fixed on a carriage or a truck chassis; the transmission structure comprises a driving shaft fixedly connected with the output end of the motor, an L-shaped transmission shaft connected with the driving shaft, and a telescopic rod connected with the transmission shaft and moving in a vertical plane; the driving shaft is arranged in the front-back direction. The power component is mounted on the carriage or the chassis, the power component is connected with the transmission component, and the transmission component swings in front of and behind the carriage, so that the tarpaulin is pulled from one side of the carriage to the other side of the carriage, the structure is simple, the use is convenient, and the carriage can be completely covered.

Description

TECHNICAL FIELD

[0001] The utility model relates to a truck covering device technical field, concretely relates to an automatic tarpaulin covering device. BACKGROUND

[0002] The truck moving goods whether short or long distance generally needs to cover tarpaulin to protect goods. The traditional driver or loading and unloading staff manually covers tarpaulin on the carriage, but manual covering is inconvenient for the large size carriage, time-consuming and laborious. In order to facilitate the tarpaulin covering of the carriage, an automatic covering device is designed, such as the Chinese utility model patent with the document number CN218536507U and the name of side overturning automatic tarpaulin machine, and the Chinese utility model patent with the document number CN221293209U and the name of a kind of side overturning automatic tarpaulin machine. These existing schemes can complete automatic covering, but can only cover the top, cannot cover the side, and the structure is relatively complex, many structures need to be installed on the top of the carriage. Some trucks are installed with detachable carriages, so an automatic tarpaulin covering device needs to be installed on each carriage, thereby increasing the cost. SUMMARY

[0003] The utility model aims at overcoming the deficiencies in the prior art, providing an automatic tarpaulin covering device, which installs a power component on the carriage or chassis, connects the power component with a transmission component, and swings the transmission component at the front and rear of the carriage, so as to pull the tarpaulin from one side of the carriage to the other side. The structure is simple, convenient to use, and can fully cover the carriage.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automatic tarpaulin covering device, comprising a tarpaulin, a power component arranged on a carriage or truck chassis, a transmission structure connected with the power component, and a connecting structure arranged at the end of the transmission component for connecting with the tarpaulin.

[0005] The power component comprises a motor fixed on the carriage or truck chassis.

[0006] The transmission structure comprises a driving shaft fixedly connected with the output end of the motor, a transmission shaft connected with the driving shaft and in L shape, and an extension rod connected with the transmission shaft and moving in the vertical plane. The driving shaft is arranged in the front-rear direction.

[0007] Further, the motor is fixedly installed on a fixed seat, and the fixed seat is fixedly installed on the carriage or truck chassis.

[0008] Further, a first insertion hole is formed in the front end of the driving shaft, and a second insertion hole is formed in the bottom of the extension rod. The transmission shaft comprises an L-shaped main rod, a first plug inserted into the first insertion hole, and a second plug inserted into the second insertion hole.

[0009] Furthermore, the cross-section of the first socket is polygonal, circular, or T-shaped, and the cross-section of the second socket is polygonal, circular, or T-shaped.

[0010] Furthermore, the main rod has a rectangular or circular cross-section; the tarpaulin has several connecting holes spaced at intervals along the front-to-back direction on its left and right sides.

[0011] Furthermore, the connection structure includes a first fixing ring fixed to the top of the telescopic rod, and a hook with one end connected to the first fixing ring and the other end connected to the connection hole.

[0012] Furthermore, the connecting structure includes a rope tensioner fixed to the top of the telescopic rod; the connecting hole is connected to one end of the pull rope; the rope tensioner includes a fixed frame, a rotating rod inserted into and rotatably connected to the fixed frame, and a rope tensioning block located inside the fixed frame and fixedly connected to the rotating rod; a spring is sleeved on the outside of the rotating rod; one end of the spring is fixedly connected to the fixed frame, and the other end is fixedly connected to the rotating rod or the rope tensioning block; the other end of the pull rope is squeezed between the rope tensioning block and the inner wall of the fixed frame; the fixed frame has an opening.

[0013] Furthermore, it also includes positioning structures fixed to the left and right sides of the carriage or truck chassis to secure the tarpaulin.

[0014] Furthermore, the positioning structure includes a second fixing ring fixed to the carriage or truck chassis, and a hook with one end connected to the second fixing ring and the other end connected to the corresponding connecting hole.

[0015] Furthermore, the positioning structure includes a rope tensioner fixed to the carriage or truck chassis; the connecting hole is connected to one end of the pull rope; the rope tensioner includes a fixed frame, a rotating rod inserted into and rotatably connected to the fixed frame, and a rope tensioning block located inside the fixed frame and fixedly connected to the rotating rod; a spring is sleeved on the outside of the rotating rod; one end of the spring is fixedly connected to the fixed frame, and the other end is fixedly connected to the rotating rod or the rope tensioning block; the other end of the pull rope is squeezed between the rope tensioning block and the inner wall of the fixed frame; the fixed frame has an opening.

[0016] The utility model discloses an advantageous effect is: through installing power component on the carriage or chassis, power component connects transmission part, and transmission part swings in the front and rear of carriage, thereby with tarpaulin from one side of carriage to the other side, simple structure, convenient to use, and can cover the carriage comprehensively, set up L -shaped transmission shaft and make telescopic link swing in the vertical plane of the front and rear of carriage, set up telescopic link and can adjust the movement track of tarpaulin when being pulled, adapt to the carriage of different size or goods of different height, prevent tarpaulin and the carriage or goods from happening scratch during pulling, and tight rope ware can better fix the pull rope, and more convenient to remove, and also do not need to set up the hook on tarpaulin etc., if setting up the hook, then tarpaulin left and right sides fixed time is more convenient, and the cost is relatively lower. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is whole structure schematic diagram;

[0018] Figure 2 It is Figure 1 It is enlarged state structure schematic diagram in A of the middle;

[0019] Figure 3 It is Figure 1 It is enlarged state structure schematic diagram in B of the middle;

[0020] Figure 4 It is left side angle structure schematic diagram of carriage;

[0021] Figure 5 It is right view structure schematic diagram;

[0022] Figure 6 It is Figure 5 It is enlarged state structure schematic diagram in C of the middle;

[0023] Figure 7 It is transmission structure disassembly state schematic diagram;

[0024] Figure 8 It is second type transmission structure schematic diagram;

[0025] Figure 9 It is tight rope ware tight rope state structure schematic diagram;

[0026] Figure 10 It is tight rope ware three -dimensional structure schematic diagram;

[0027] Figure 11 It is the overhead structure schematic diagram of tight rope ware installed in the side of carriage or truck chassis.

[0028] In the diagram: 1. Carriage; 2. Canopy; 3. Fixing base; 4. Motor; 5. Drive shaft; 501. First socket; 6. Drive shaft; 601. First plug; 602. Second plug; 7. Telescopic rod; 701. Second socket; 8. Connecting hole; 9. Rope tensioner; 901. Fixing frame; 902. Rotating rod; 903. Spring; 904. Rope tensioning block; 905. Opening; 906. Pull rope; 10. First fixing ring; 11. Hook; 12. Second fixing ring. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0030] The directional terms mentioned in this utility model, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom", are only for reference to the orientation of the accompanying drawings. The directional terms used are for the purpose of explaining and understanding this utility model, and are not intended to limit this utility model.

[0031] Example:

[0032] like Figures 1-11 As shown, an automatic tarpaulin covering device is provided at both the front and rear of the carriage 1, including a tarpaulin 2, a power component installed on the carriage 1 or the chassis of a truck, a transmission structure connected to the power component, and a connection structure installed at the end of the transmission component for connecting to the tarpaulin 2.

[0033] The power components include a motor 4 fixed to the cargo box 1 or the truck chassis;

[0034] The transmission structure includes a drive shaft 5 fixedly connected to the output end of the motor 4, a transmission shaft 6 connected to the drive shaft 5 and in an L-shape, and a telescopic rod 7 connected to the transmission shaft 6 and moving in a vertical plane parallel to the front end face of the carriage 1; the drive shaft 5 is arranged in the front-rear direction.

[0035] like Figure 1 As shown, Figure 1 The motor 4 is located at the rear of the carriage 1, and the front of the carriage 1 is close to the front of the truck. Figure 1 The rear of carriage 1 is defined as the front. Figure 6 The direction of the displayed structure is defined as the right side; the direction from the rear of carriage 1 to the front of carriage 1 is defined as the front-to-back direction; the directions of other structures are defined accordingly.

[0036] The truck structure generally comprises a vehicle body, an engine, a chassis, electrical equipment and a carriage, and the carriage 1 is located on the chassis.

[0037] The motor 4 is fixedly installed on the fixed seat 3, and the fixed seat 3 is fixedly installed on the carriage 1 or the truck chassis.

[0038] The front end of the driving shaft 5 is provided with a first insertion hole 501 in the front-rear direction, and the bottom of the telescopic rod 7 is provided with a second insertion hole 701 in the vertical direction; the transmission shaft 6 comprises an L-shaped main rod, a first plug 601 inserted into the first insertion hole 501, and a second plug 602 inserted into the second insertion hole 701; the cross section of the first plug 601 is adapted in shape and size to the cross section of the first insertion hole 501; the cross section of the second plug 602 is adapted in shape and size to the cross section of the second insertion hole 701.

[0039] The cross section of the first insertion hole 501 is polygonal or circular or T-shaped or other shapes for connection, such as quadrilateral, pentagonal, hexagonal; such as two intersecting shapes, and the cross section of the second insertion hole 701 is polygonal or circular or T-shaped or other shapes for connection, such as two intersecting shapes.

[0040] The cross section of the main rod is polygonal or circular, such as quadrilateral, pentagonal, hexagonal, etc.; the tarpaulin 2 is provided with a plurality of connection holes 8 on the left side and the right side in the front-rear direction.

[0041] The connection structure comprises a first fixed ring 10 fixed on the top of the telescopic rod 7, and a hook 11 connected at one end to the first fixed ring 10 and at the other end to the connection hole 8; the hook 11 comprises two integrally arranged hanging rings, one of which is hung with the first fixed ring 10, and the other of which is hung with the connection hole 8, and at least one of the hanging rings is provided with an opening for disengaging from the first fixed ring 10 or / and the connection hole 8.

[0042] Further comprising a positioning structure for fixing the tarpaulin 2, which is fixed on the left and right sides of the carriage 1 or the truck chassis.

[0043] The positioning structure comprises a second fixed ring 12 fixed on the carriage 1 or the truck chassis, and a hook 11 connected at one end to the second fixed ring 12 and at the other end to the corresponding connection hole 8.

[0044] In operation, the driving shaft 5 is connected with the motor 4, the driving shaft 5, the extension rod 7 and the driven shaft 6 are connected in sequence, the motor 4 is started to rotate, the extension rod 7 is rotated to the position close to the left side or the right side of the tarpaulin of the carriage 1, the length of the extension rod 7 is adjusted according to the height of the carriage 1 or the goods and the installation position of the motor 4, the first fixing ring 10 and the second fixing ring 12 are connected by using the hook 11, the extension rod 7 at the front and the back of the carriage 1 is connected with the connecting hole 8 at the corresponding position of the tarpaulin 2, then the motor 4 is started to drive the extension rod 7 to rotate, the tarpaulin 2 is rotated from one side of the carriage 1 to the other side, then the connecting hole 8 at the corresponding position is connected with the second fixing ring 12 by using the hook 11, and the covering work of the tarpaulin 2 is completed.

[0045] Embodiment 2

[0046] As shown in Figure 9 , Figure 10 , Figure 11 different from embodiment 1, the connecting structure comprises a tight rope device 9 fixed at the top of the extension rod 7; the connecting hole 8 is connected with one end of a pull rope 906; the tight rope device 9 comprises a fixed frame 901 penetrating through two opposite sides, a rotating rod 902 inserted into the inside of the fixed frame 901 and rotationally connected with the fixed frame 901, and a tight rope block 904 located in the inside of the fixed frame 901 and fixedly connected with the rotating rod 902; a spring 903 is sleeved outside the rotating rod 902; one end of the spring 903 is fixedly connected with the fixed frame 901, and the other end is fixedly connected with the rotating rod 902 or the tight rope block 904; the other end of the pull rope 906 is pressed between the tight rope block 904 and the inner wall of the fixed frame 901; the fixed frame 901 is provided with an opening 905, so as to facilitate the pull rope 906 to be put into the fixed frame 901; the fixed frame 901 is a rectangular frame composed of four side panels connected in sequence, and the other two directions are without side panels, which are the two opposite sides penetrating through; the radial dimension of the tight rope block 904 is not less than the distance from the rotating rod 902 to the side wall of the fixed frame 901; the distance from the rotating rod 902 to the side wall of the fixed frame 901 is the working space for locking the pull rope 906, and is also the space where the tight rope block 904 is most active, so the side wall in the distance from the rotating rod 902 to the side wall of the fixed frame 901 refers to the side wall of the space where the tight rope block 904 is most active; the spring 903 is arranged for resetting, so that the tight rope block 904 has a tendency to go up.

[0047] When the tight rope device 9 is used, one end of the pull rope 906 is tied on the connecting hole 8, the rotating rod 902 is rotated to expand the distance between the tight rope block 904 and the corresponding side wall of the fixed frame 901, so that the distance is enough to put the pull rope 906 in, and the pull rope 906 can be put in from Figure 9The pull rope 906 can be put in from above the fixed frame 901 or from the opening 905. After the pull rope 906 is put in, the rotating rod 902 is loosened. Under the action of the spring 903, the tight rope block 904 tightly abuts against the inner wall of the fixed frame 901. The tight rope block 904 is below the horizontal line where the rotating rod 902 is located. Due to the size setting, when the pull rope 906 is pulled upward, the tight rope block 904 is turned upward, and the tight rope block 904 turns upward and presses the pull rope 906 more tightly against the side wall of the fixed frame 901.

[0048] Embodiment 3:

[0049] Different from the embodiment 1, the positioning structure includes a tight rope device 9 fixed on the carriage 1 or the truck chassis; the connecting hole 8 is connected with one end of the pull rope 906; the tight rope device 9 includes a fixed frame 901 penetrating through opposite two sides, a rotating rod 902 inserted into the inside of the fixed frame 901 and rotationally connected with the fixed frame 901, and a tight rope block 904 located in the inside of the fixed frame 901 and fixedly connected with the rotating rod 902; the rotating rod 902 is externally sleeved with a spring 903; one end of the spring 903 is fixedly connected with the fixed frame 901, and the other end is fixedly connected with the rotating rod 902 or the tight rope block 904; the other end of the pull rope 906 is pressed and arranged between the tight rope block 904 and the inner wall of the fixed frame 901; the fixed frame 901 is provided with an opening 905.

[0050] Embodiment 4:

[0051] Different from the embodiments 1, 2 and 3, the positioning structure is the first positioning structure or the second positioning structure; the first positioning structure uses the second fixed ring 12 and the hook 11; the second positioning structure uses the tight rope device 9; the left and right sides of the carriage 1 can simultaneously use the first positioning structure or the second positioning structure, or can cross use.

[0052] The positioning structure including the second fixed ring 12 and the hook 11 is substantially the same as the connecting structure including the first fixed ring 10 and the hook 11; the connecting structure using the tight rope device 9 is substantially the same as the positioning structure using the tight rope device 9.

[0053] The connection mode of the positioning structure and the connecting structure can cross use, that is, the connection mode of each telescopic rod 7 and the tarpaulin 2, the tarpaulin 2 on each side and the carriage 1 or the chassis does not interfere with each other, and can be arbitrarily selected from the two types of structures of the tight rope device 9 and the second positioning structure.

[0054] The above description is only used to explain the technical scheme of the utility model and not to limit it. Other modifications or equivalent replacements to the technical scheme of the utility model made by those skilled in the art should be covered in the claim range of the utility model.

Claims

1. An automatic tarpaulin covering device, characterized in that: Includes a tarpaulin (2), a power unit installed on the carriage (1) or truck chassis, a transmission structure connected to the power unit, and a connection structure installed at the end of the transmission unit for connecting to the tarpaulin (2); The power components include a motor (4) fixed to the carriage (1) or the truck chassis. The transmission structure includes a drive shaft (5) fixedly connected to the output end of the motor (4), a transmission shaft (6) connected to the drive shaft (5) and in an L-shape, and a telescopic rod (7) connected to the transmission shaft (6) and moving in a vertical plane; the drive shaft (5) is arranged in the front-back direction.

2. The automatic tarpaulin covering device according to claim 1, characterized in that: The motor (4) is fixedly mounted on the fixed seat (3), and the fixed seat (3) is fixedly mounted on the carriage (1) or the truck chassis.

3. The automatic tarpaulin covering device according to claim 1, characterized in that: The drive shaft (5) has a first insertion hole (501) at its front end and a second insertion hole (701) at the bottom of the telescopic rod (7). The drive shaft (6) includes an L-shaped main rod, a first plug (601) that is inserted into the first insertion hole (501), and a second plug (602) that is inserted into the second insertion hole (701).

4. The automatic tarpaulin covering device according to claim 3, characterized in that: The cross-section of the first socket (501) is polygonal, circular, or T-shaped, and the cross-section of the second socket (701) is polygonal, circular, or T-shaped.

5. The automatic tarpaulin covering device according to claim 3, characterized in that: The main pole has a polygonal or circular cross-section; the tarpaulin (2) has several connecting holes (8) spaced apart along the front and back directions on the left and right sides.

6. The automatic tarpaulin covering device according to claim 5, characterized in that: The connection structure includes a first fixing ring (10) fixed to the top of the telescopic rod (7), and a hook (11) with one end connected to the first fixing ring (10) and the other end connected to the connection hole (8).

7. The automatic tarpaulin covering device according to claim 5, characterized in that: The connecting structure includes a rope tensioner (9) fixed to the top of the telescopic rod (7); the connecting hole (8) is connected to one end of the pull rope (906); the rope tensioner (9) includes a fixed frame (901), a rotating rod (902) inserted into the fixed frame (901) and rotatably connected thereto, and a rope tensioning block (904) located inside the fixed frame (901) and fixedly connected to the rotating rod (902); a spring (903) is sleeved on the outside of the rotating rod (902); one end of the spring (903) is fixedly connected to the fixed frame (901), and the other end is fixedly connected to the rotating rod (902) or the rope tensioning block (904); the other end of the pull rope (906) is squeezed between the rope tensioning block (904) and the inner wall of the fixed frame (901); the fixed frame (901) has an opening (905).

8. The automatic tarpaulin covering device according to claim 5, characterized in that: It also includes a positioning structure fixed to the left and right sides of the carriage (1) or truck chassis for fixing the tarpaulin (2).

9. An automatic tarpaulin covering device according to claim 8, characterized in that: The positioning structure includes a second fixing ring (12) fixed to the carriage (1) or the truck chassis, and a hook (11) with one end connected to the second fixing ring (12) and the other end connected to the corresponding connecting hole (8).

10. An automatic tarpaulin covering device according to claim 8, characterized in that: The positioning structure includes a rope tensioner (9) fixed to the carriage (1) or truck chassis; the connecting hole (8) is connected to one end of the pull rope (906); the rope tensioner (9) includes a fixed frame (901), a rotating rod (902) passing through the fixed frame (901) and rotatably connected thereto, and a rope tensioning block (904) located inside the fixed frame (901) and fixedly connected to the rotating rod (902); a spring (903) is sleeved on the outside of the rotating rod (902); one end of the spring (903) is fixedly connected to the fixed frame (901), and the other end is fixedly connected to the rotating rod (902) or the rope tensioning block (904); the other end of the pull rope (906) is squeezed between the rope tensioning block (904) and the inner wall of the fixed frame (901); the fixed frame (901) has an opening (905).

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