A quick manual and automatic tarpaulin retracting and releasing device

Abstract

The present invention relates to a quick manual and automatic tarpaulin retracting and releasing device, wherein a rubber tooth strip A is fixed on the upper front side of the carriage, a rubber tooth strip B is fixed on the upper rear side of the carriage, a retracting and releasing assembly is placed in the front and rear directions of the upper part of the carriage, a plurality of connecting pins are fixedly connected in sequence from front to back on the upper right side wall of the carriage, the connecting pins penetrate the right side of the tarpaulin assembly, a plurality of fixed coils are fixedly connected in sequence in the left and right directions of the tarpaulin, a plurality of through holes B are sequentially provided on the right side of the tarpaulin, the through holes B on the tarpaulin cooperate with the connecting pins, a steel wire rope sequentially penetrates the through hole A on the connecting pins, the rear end of the steel wire rope is fixed to the front end of the fixed pin, a pull ring is fixed on the front side of the right side wall of the carriage, the front end of the steel wire rope is fixed to the connecting pull ring, the left end of the tarpaulin is fixed to the winding rod, a plurality of rope tighteners are evenly fixed on the left side of the bottom of the carriage, and the left end of the fixed coil is wound on the rope tightener. The present invention has the following beneficial effects: there is a space specially provided for storing tarpaulins on the top of the carriage, and the tarpaulins can be covered manually or automatically, and the covering effect of the tarpaulin is good.

Description

Technical Field

[0001] The invention relates to a tarpaulin retracting and releasing device, in particular to a quick manual-automatic tarpaulin retracting and releasing device. Background Art

[0002] At present, there is no special space for storing tarpaulins in the existing carriages. During vehicle transportation, the tarpaulins are placed in the carriage in advance. When covering the tarpaulin, people stand on the roof to unfold the tarpaulin. If the wind is too strong, the person holding the tarpaulin is easily blown down by the wind, and there is a risk of falling from a high altitude. In addition, manual covering of the tarpaulin is cumbersome, labor-intensive, time-consuming and laborious. The effect of covering the tarpaulin varies from person to person. For those who are inexperienced, the effect of covering the tarpaulin is poor. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a quick manual-automatic tarpaulin retracting and releasing device, which solves the problem that there is no special space for storing tarpaulins in the existing carriages, and there is a risk of falling from a high altitude when covering the tarpaulin manually. In addition, manual covering of the tarpaulin is cumbersome, labor-intensive, time-consuming and labor-intensive, and the effect of covering the tarpaulin varies from person to person. For those who are inexperienced, the effect of covering the tarpaulin is poor.

[0004] The technical solution adopted by the present invention to solve the above-mentioned problems is:

[0005] A quick manual and automatic tarpaulin retracting and releasing device comprises a carriage 1, a rubber tooth strip A2, a rubber tooth strip B3, a connecting pin 4, a tarpaulin assembly 5, a steel wire rope 6, a pull ring 7, a retracting and releasing assembly 8, a fixing pin 9 and a rope tightener 21. The rubber tooth strip A2 is fixedly connected to the upper left and right directions of the front side of the carriage 1, and the rubber tooth strip B3 is fixedly connected to the upper left and right directions of the rear side of the carriage 1. The retracting and releasing assembly 8 is placed in the front and rear directions of the upper part of the carriage 1, and the front and rear parts of the retracting and releasing assembly 8 are respectively located on the upper parts of the rubber tooth strip A2 and the rubber tooth strip B3. The retracting and releasing assembly 8 comprises a winding rod 801, a resin gear A802, a resin gear B803, a reduction motor 804, a connecting rod 805, a slider 806, a spring 807, a slideway 808, a bearing 809, and a connecting shaft 801. 10. Bend plate connector 811. The front end of the winding rod 801 is fixedly sleeved with a resin gear B803, and the resin gear B803 is meshed with the rubber tooth strip A2. The rear end of the winding rod 801 is fixedly sleeved with a resin gear A802, and the resin gear A802 is meshed with the rubber tooth strip B3. The upper end of the winding rod 801 is fixedly connected to the rotating shaft of the reduction motor 804. The upper end of the connecting rod 805 is hinged to the left side of the outer wall of the reduction motor 804. The outside of the connecting rod 805 is sleeved with a slider 806 and a spring 807 in sequence. The slider 806 and the spring 807 are respectively slidably connected to the connecting rod 805. The lower end of the connecting rod 805 is fixed by a cotter pin. The upper part of the front side wall of the carriage 1 is fixedly connected to the rear side wall of the slideway 808. The connecting shaft 810 The left and right ends are fixedly connected to the inner ring of the bearing 809 respectively, and the bearing 809 and the connecting shaft 810 are located on the inner side of the slide 808, the bearings 809 at both ends of the connecting shaft 810 are rotatably connected to the bottom of the inner wall of the slide 808, the rear end of the bent plate connecting member 811 is fixedly connected to the middle of the bottom of the connecting shaft 810, and the front end of the bent plate connecting member 811 is hinged to the rear side of the outer wall of the slider 806, the upper part of the right side wall of the carriage 1 is fixedly connected to multiple connecting pins 4 in sequence from front to back, and the connecting pins 4 pass through the right side of the tarpaulin assembly 5, the tarpaulin assembly 5 includes a tarpaulin 501, a through hole B502, and a fixed belt 503, the tarpaulin 501 is fixedly connected to multiple fixed belts 503 in sequence in the left and right directions, and the right side of the fixed belt 503 The end is flush with the right end of the tarpaulin 501, the left end of the fixed coil 503 exceeds the left end of the tarpaulin 501, and a plurality of through holes B502 are sequentially opened on the right side of the tarpaulin 501 from front to back. The through hole B502 on the tarpaulin 501 is connected with the connecting pin 4 in cooperation, and the through hole B502 on the tarpaulin 501 is located on the right side of the through hole A401 opened on the left side of the connecting pin 4. The steel wire rope 6 passes through the through hole A401 on the connecting pin 4 in sequence, and the rear end of the steel wire rope 6 is fixedly connected with the front end of the fixing pin 9, and the fixing pin 9 is located on the rear side of the connecting pin 4 on the rear side. The front side of the right side wall of the carriage 1 is fixedly connected with the pull ring 7, and the front end of the steel wire rope 6 is fixedly connected with the connecting pull ring 7. The left end of the tarpaulin 501 is fixedly connected with the winding rod 801.A plurality of rope tighteners 21 are evenly fixed on the left side of the bottom of the carriage 1, and the left end of the fixed coil 503 is wound around the rope tightener 21.

[0006] The upper part of the left side wall of the carriage 1 is fixedly connected with multiple baffle rod assemblies A10 in sequence from front to back, and the baffle rod assembly A10 includes a base 1001, a rotating rod 1002, and a baffle rod 1003. The base 1001 is fixedly connected to the upper part of the left side wall of the carriage 1, the rotating rod 1002 runs through the base 1001, and the upper end of the rotating rod 1002 is fixedly connected to the lower part of the baffle rod 1003. The folding and unfolding assembly 8 runs to the left side of the carriage 1, and the left side of the tarpaulin 501 completely covers the upper left part of the carriage 1. At the same time, the baffle rod assembly A10 provides support force for the folding and unfolding assembly 8.

[0007] A plurality of baffle rod assemblies B11 are fixedly connected to the upper portion of the right side wall of the carriage 1 in sequence from front to back, and the baffle rod assembly B11 has the same structure as the baffle rod assembly A10. The baffle rod assembly B11 is symmetrically arranged relative to the baffle rod assembly A10 and relative to the carriage 1. The retractable assembly 8 rolls up the tarpaulin 501 and runs to the right side of the carriage 1. The tarpaulin 501 is rolled up to the upper portion of the right side of the carriage 1. At the same time, the baffle rod assembly B11 provides support force to the retractable assembly 8 to prevent the retractable assembly 8 from falling.

[0008] The tarpaulin 501 is fixedly connected with steel strips 12 along the front and rear directions to prevent the middle part of the tarpaulin 501 from being dented.

[0009] Four through holes C13 are evenly arranged on the front side of the tarpaulin 501, and the compression rope A14 passes through the through holes C13 starting from the tarpaulin 501 in sequence. The right end of the compression rope A14 is fixedly connected to the tarpaulin 501, and the left end of the compression rope A14 bypasses the upper left part of the car 1, and the left end of the compression rope A14 is wound around the rope tightener 21 at the front end of the car 1. Four through holes D15 are evenly arranged on the rear side of the tarpaulin 501, and the compression rope B16 passes through the through holes D15 starting from the tarpaulin 501 in sequence. The right end of the compression rope B16 is fixedly connected to the tarpaulin 501, and the left end of the compression rope B16 bypasses the upper left part of the car 1, and the left end of the compression rope B16 is wound around the rope tightener 21 at the front end of the car 1. The compression rope A14 compresses the front side of the tarpaulin 501, and the compression rope B16 compresses the rear side of the tarpaulin 501.

[0010] Two rope hooks A17 are fixed on the front side wall of the carriage 1, and the compression ropes A14 leaking out from the upper surface of the tarpaulin 501 are hung on the rope hooks A17 respectively. Two rope hooks B18 are fixed on the front side wall of the carriage 1, and the compression ropes B16 leaking out from the upper surface of the tarpaulin 501 are hung on the rope hooks B18 respectively. The compression ropes A14 can better compress the front side of the tarpaulin 501 to prevent the wind from blowing up the front side of the tarpaulin 501, and the compression ropes B16 can better compress the rear side of the tarpaulin 501 to prevent the wind from blowing up the rear side of the tarpaulin 501.

[0011] The left end of the rotating shaft of the reduction motor 804 is fixedly connected to the manual twist rod 19 for manually rolling up or unfolding the tarpaulin 501 .

[0012] The left end of the manual twist rod 19 is fixedly sleeved with a rubber handle 20, which makes it more comfortable to hold the manual twist rod 19.

[0013] The working principle of the present invention is as follows: roll up the tarpaulin, loosen the fixed coiling tape, compression rope A and compression rope B on the rope tightener, take off the compression rope A hung on the rope hook A, take off the compression rope B hung on the rope hook B, energize the reduction motor, the reduction motor rotates clockwise, the main shaft of the reduction motor drives the winding rod to rotate, the winding rod drives the resin gear B at the front end to run from left to right on the rubber toothed strip A, the winding rod drives the resin gear A at the rear end to run from left to right on the rubber toothed strip B, the housing of the reduction motor drives the connecting rod to run from left to right, the connecting rod drives the slider, the slider drives the bent plate connecting piece, the bent plate connecting piece drives the connecting shaft, the connecting shaft drives the bearing to run from left to right in the slideway, the retractable assembly moves away from the baffle assembly B, the winding rod rolls up the tarpaulin, the fixed coiling tape, the compression rope A and the compression rope B, the retractable assembly approaches the baffle assembly A, stop the reduction motor, tighten the fixed coiling tape, the compression rope A and the compression rope B on the rope tightener, and reverse the operation to spread out the tarpaulin.

[0014] The beneficial effects of the present invention are as follows: 1. There is a special space for storing tarpaulins on the top of the carriage, which can be covered manually or automatically. The operation is simple, the labor intensity is low, and it saves time and effort. No experience in covering tarpaulins is required, and the covering effect of tarpaulins is good. 2. A plurality of baffle rod assemblies A are fixedly connected to the upper part of the left side wall of the carriage from front to back in sequence. The baffle rod assembly A includes a base, a rotating rod, and a baffle rod. The base is fixedly connected to the upper part of the left side wall of the carriage, the rotating rod passes through the base, and the upper end of the rotating rod is fixedly connected to the lower part of the baffle rod. The retractable assembly runs to the left side of the carriage, and the left side of the tarpaulin completely covers the upper part of the left side of the carriage. At the same time, the baffle rod assembly A provides support force for the retractable assembly. 3. Multiple bar assemblies B are fixedly connected to the upper part of the right side wall of the carriage from front to back, and the bar assemblies B have the same structure as the bar assemblies A. The bar assemblies B are symmetrically arranged relative to the bar assemblies A and relative to the carriage. The retractable assembly rolls up the tarpaulin and runs to the right side of the carriage. The tarpaulin is rolled to the upper part of the right side of the carriage. At the same time, the bar assemblies B provide support for the retractable assembly to prevent the retractable assembly from falling. 4. Steel strips are fixedly connected to the front and rear directions of the tarpaulin to prevent the middle part of the tarpaulin from sag. 5. Four through holes C are evenly arranged on the front side of the tarpaulin, and the compression rope A passes through the through holes C starting from the tarpaulin in sequence. The right end of the compression rope A is fixedly connected to the tarpaulin, and the left end of the compression rope A bypasses the upper left side of the car, and the left end of the compression rope A is wound around the rope tightener at the front end of the car. Four through holes D are evenly arranged on the rear side of the tarpaulin, and the compression rope B passes through the through holes D starting from the tarpaulin in sequence. The right end of the compression rope B is fixedly connected to the tarpaulin, and the left end of the compression rope B bypasses the upper left side of the car, and the left end of the compression rope B is wound around the rope tightener at the front end of the car. The compression rope A compresses the front side of the tarpaulin, and the compression rope B compresses the rear side of the tarpaulin. 6. Two rope hooks A are fixed on the front side wall of the carriage. The compression ropes A leaking from the upper surface of the tarpaulin are hung on the rope hooks A. Two rope hooks B are fixed on the front side wall of the carriage. The compression ropes B leaking from the upper surface of the tarpaulin are hung on the rope hooks B. The compression ropes A can better compress the front side of the tarpaulin to prevent the wind from blowing up the front side of the tarpaulin. The compression ropes B can better compress the back side of the tarpaulin to prevent the wind from blowing up the back side of the tarpaulin. 7. The left end of the rotating shaft of the reduction motor is fixedly connected to the manual winch to manually roll up or unfold the tarpaulin. 8. A rubber handle is fixed on the left end of the manual winch, which makes it more comfortable to hold the manual winch. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the present invention;

[0016] Figure 2 is a top view of the present invention;

[0017] Figure 3 It is a schematic diagram of the structure of the present invention;

[0018] Figure 4 is a rear view of the present invention;

[0019] Figure 5It is a schematic diagram of the mechanism of the tarpaulin assembly of the present invention after being unfolded;

[0020] Figure 6 It is a partial enlarged view of A of the present invention;

[0021] Figure 7 It is a structural schematic diagram of the connecting pin of the present invention;

[0022] Figure 8 It is a structural schematic diagram of the fixing pin of the present invention;

[0023] Fig. 9 It is a schematic structural diagram of the baffle assembly A of the present invention.

[0024] Among them, 1-carriage, 2-rubber tooth bar A, 3-rubber tooth bar B, 4-connecting pin, 401-through hole A, 5-tarpaulin assembly, 501-tarpaulin, 502-through hole B, 503-fixed coil, 6-wire rope, 7-pull ring, 8-retractable assembly, 801-winding rod, 802-resin gear A, 803-resin gear B, 804-reduction motor, 805-connecting rod, 806-slider, 807-spring, 808- Slide, 809-bearing, 810-connecting shaft, 811-bent plate connector, 9-fixing pin, 10-blocking rod assembly A, 1001-base, 1002-rotating rod, 1003-blocking rod, 11-blocking rod assembly B, 12-steel plate, 13-through hole C, 14-compression rope A, 15-through hole D, 16-compression rope B, 17-rope hook A, 18-rope hook B, 19-manual twist rod, 20-rubber handle, 21-rope tightener. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are further described below in conjunction with the accompanying drawings.

[0026] Reference Figure 1-9The quick manual-automatic tarpaulin retracting and releasing device described in this specific embodiment includes a carriage 1, a rubber tooth strip A2, a rubber tooth strip B3, a connecting pin 4, a tarpaulin assembly 5, a steel wire rope 6, a pull ring 7, a retracting and releasing assembly 8, a fixing pin 9 and a rope tightener 21. The rubber tooth strip A2 is fixedly connected to the upper left and right directions of the front side of the carriage 1, and the rubber tooth strip B3 is fixedly connected to the upper left and right directions of the rear side of the carriage 1. The retracting and releasing assembly 8 is placed in the front and rear directions of the upper part of the carriage 1, and the front and rear parts of the retracting and releasing assembly 8 are respectively located on the upper parts of the rubber tooth strip A2 and the rubber tooth strip B3. The retracting and releasing assembly 8 includes a winding rod 801, a resin gear A802, a resin gear B803, a reduction motor 804, a connecting rod 805, a slider 806, a spring 807, a slideway 808, and a bearing 809. 09, connecting shaft 810, bent plate connecting piece 811, the front end of the winding rod 801 is fixedly sleeved with a resin gear B803, and the resin gear B803 is meshed with the rubber tooth strip A2, the rear end of the winding rod 801 is fixedly sleeved with a resin gear A802, and the resin gear A802 is meshed with the rubber tooth strip B3, the upper end of the winding rod 801 is fixedly connected to the rotating shaft of the reduction motor 804, the upper end of the connecting rod 805 is hinged to the left side of the outer wall of the reduction motor 804, the outside of the connecting rod 805 is sequentially sleeved with a slider 806 and a spring 807, the slider 806 and the spring 807 are respectively slidably connected to the connecting rod 805, the lower end of the connecting rod 805 is fixed by a cotter pin, the upper part of the front side wall of the carriage 1 is fixedly connected to the rear side wall of the slideway 808, the connecting shaft The left and right ends of 810 are fixedly connected to the inner ring of the bearing 809 respectively, and the bearing 809 and the connecting shaft 810 are located on the inner side of the slide 808, the bearings 809 at both ends of the connecting shaft 810 are rotatably connected to the bottom of the inner wall of the slide 808, the rear end of the bent plate connecting member 811 is fixedly connected to the middle of the bottom of the connecting shaft 810, and the front end of the bent plate connecting member 811 is hinged to the rear side of the outer wall of the slider 806, the upper part of the right side wall of the carriage 1 is fixedly connected with twenty-three connecting pins 4 in sequence from front to back, and the connecting pins 4 pass through the right side of the tarpaulin assembly 5, the tarpaulin assembly 5 includes a tarpaulin 501, a through hole B502, and a fixed belt 503, the tarpaulin 501 is fixedly connected to four fixed belts 503 in sequence in the left and right directions, and the fixed belts 503 The right end is flush with the right end of the tarpaulin 501, the left end of the fixed coil 503 exceeds the left end of the tarpaulin 501, and twenty-three through holes B502 are sequentially opened on the right side of the tarpaulin 501 from front to back. The through holes B502 on the tarpaulin 501 are connected with the connecting pin 4, and the through holes B502 on the tarpaulin 501 are located on the right side of the through holes A401 opened on the left side of the connecting pin 4. The steel wire rope 6 passes through the through holes A401 on the connecting pin 4 in sequence, and the rear end of the steel wire rope 6 is fixedly connected to the front end of the fixing pin 9, and the fixing pin 9 is located on the rear side of the connecting pin 4 on the rear side. The front side of the right side wall of the carriage 1 is fixedly connected to the pull ring 7, and the front end of the steel wire rope 6 is fixedly connected to the connecting pull ring 7. The left end of the tarpaulin 501 is fixedly connected to the winding rod 801.Six rope tighteners 21 are evenly fixed on the left side of the bottom of the carriage 1, and the left end of the fixed coil 503 is wound around the rope tightener 21.

[0027] The upper part of the left side wall of the carriage 1 is fixedly connected with three baffle rod assemblies A10 in sequence from front to back, and the baffle rod assembly A10 includes a base 1001, a rotating rod 1002, and a baffle rod 1003. The base 1001 is fixedly connected to the upper part of the left side wall of the carriage 1, the rotating rod 1002 runs through the base 1001, and the upper end of the rotating rod 1002 is fixedly connected to the lower part of the baffle rod 1003. The retractable assembly 8 runs to the left side of the carriage 1, and the left side of the tarpaulin 501 completely covers the upper left side of the carriage 1. At the same time, the baffle rod assembly A10 provides support for the retractable assembly 8.

[0028] The upper part of the right side wall of the carriage 1 is fixedly connected with three baffle rod assemblies B11 in sequence from front to back, and the baffle rod assembly B11 has the same structure as the baffle rod assembly A10. The baffle rod assembly B11 is symmetrically arranged relative to the baffle rod assembly A10 and relative to the carriage 1. The retractable assembly 8 rolls up the tarpaulin 501 and runs to the right side of the carriage 1. The tarpaulin 501 is rolled up to the upper part of the right side of the carriage 1. At the same time, the baffle rod assembly B11 provides support force to the retractable assembly 8 to prevent the retractable assembly 8 from falling.

[0029] The tarpaulin 501 is fixedly connected with steel strips 12 along the front and rear directions to prevent the middle part of the tarpaulin 501 from being dented.

[0030] Four through holes C13 are evenly arranged on the front side of the tarpaulin 501, and the compression rope A14 passes through the through holes C13 starting from the tarpaulin 501 in sequence. The right end of the compression rope A14 is fixedly connected to the tarpaulin 501, and the left end of the compression rope A14 bypasses the upper left part of the car 1, and the left end of the compression rope A14 is wound around the rope tightener 21 at the front end of the car 1. Four through holes D15 are evenly arranged on the rear side of the tarpaulin 501, and the compression rope B16 passes through the through holes D15 starting from the tarpaulin 501 in sequence. The right end of the compression rope B16 is fixedly connected to the tarpaulin 501, and the left end of the compression rope B16 bypasses the upper left part of the car 1, and the left end of the compression rope B16 is wound around the rope tightener 21 at the front end of the car 1. The compression rope A14 compresses the front side of the tarpaulin 501, and the compression rope B16 compresses the rear side of the tarpaulin 501.

[0031] Two rope hooks A17 are fixed on the front side wall of the carriage 1, and the compression ropes A14 leaking out from the upper surface of the tarpaulin 501 are hung on the rope hooks A17 respectively. Two rope hooks B18 are fixed on the front side wall of the carriage 1, and the compression ropes B16 leaking out from the upper surface of the tarpaulin 501 are hung on the rope hooks B18 respectively. The compression ropes A14 can better compress the front side of the tarpaulin 501 to prevent the wind from blowing up the front side of the tarpaulin 501, and the compression ropes B16 can better compress the rear side of the tarpaulin 501 to prevent the wind from blowing up the rear side of the tarpaulin 501.

[0032] The left end of the rotating shaft of the reduction motor 804 is fixedly connected to the manual twist rod 19 for manually rolling up or unfolding the tarpaulin 501 .

[0033] The left end of the manual twist rod 19 is fixedly sleeved with a rubber handle 20, which makes it more comfortable to hold the manual twist rod 19.

[0034] The working principle of this specific implementation method is as follows: roll up the tarpaulin, loosen the fixed coiling tape, compression rope A and compression rope B on the rope tensioner, take off the compression rope A hanging on the rope hook A, take off the compression rope B hanging on the rope hook B, energize the reduction motor, the reduction motor rotates clockwise, the main shaft of the reduction motor drives the winding rod to rotate, the winding rod drives the resin gear B at the front end to run from left to right on the rubber tooth strip A, the winding rod drives the resin gear A at the rear end to run from left to right on the rubber tooth strip B, the housing of the reduction motor drives the connecting rod to run from left to right, the connecting rod drives the slider, the slider drives the bent plate connector, the bent plate connector drives the connecting shaft, the connecting shaft drives the bearing to run from left to right in the slideway, the retractable assembly moves away from the baffle assembly B, the winding rod rolls up the tarpaulin, the fixed coiling tape, the compression rope A and the compression rope B, the retractable assembly approaches the baffle assembly A, stop the reduction motor, tighten the fixed coiling tape, the compression rope A and the compression rope B on the rope tensioner, and reverse the operation to spread out the tarpaulin.

[0035] The beneficial effects of this specific implementation are: 1. There is a special space for storing tarpaulins on the top of the car, which can be covered manually or automatically. The operation is simple, the labor intensity is low, and it saves time and effort. No experience in covering tarpaulins is required, and the covering effect of tarpaulins is good. 2. The upper part of the left side wall of the car is fixedly connected to three barrier rod assemblies A in sequence from front to back. The barrier rod assembly A includes a base, a rotating rod, and a barrier rod. The base is fixedly connected to the upper part of the left side wall of the car, the rotating rod passes through the base, and the upper end of the rotating rod is fixedly connected to the lower part of the barrier rod. The retractable assembly runs to the left side of the car, and the left side of the tarpaulin completely covers the upper part of the left side of the car. At the same time, the barrier rod assembly A provides support for the retractable assembly. 3. Three bar assemblies B are fixedly connected to the upper part of the right side wall of the carriage from front to back, and the bar assemblies B have the same structure as the bar assemblies A. The bar assemblies B are symmetrically arranged relative to the bar assemblies A and relative to the carriage. The retractable assembly rolls up the tarpaulin and runs to the right side of the carriage. The tarpaulin is rolled to the upper right side of the carriage. At the same time, the bar assemblies B provide support for the retractable assembly to prevent the retractable assembly from falling. 4. Steel strips are fixedly connected along the front and rear directions of the tarpaulin to prevent the middle part of the tarpaulin from sag. 5. Four through holes C are evenly arranged on the front side of the tarpaulin, and the compression rope A passes through the through holes C starting from the tarpaulin in sequence. The right end of the compression rope A is fixedly connected to the tarpaulin, and the left end of the compression rope A bypasses the upper left side of the car, and the left end of the compression rope A is wound around the rope tightener at the front end of the car. Four through holes D are evenly arranged on the rear side of the tarpaulin, and the compression rope B passes through the through holes D starting from the tarpaulin in sequence. The right end of the compression rope B is fixedly connected to the tarpaulin, and the left end of the compression rope B bypasses the upper left side of the car, and the left end of the compression rope B is wound around the rope tightener at the front end of the car. The compression rope A compresses the front side of the tarpaulin, and the compression rope B compresses the rear side of the tarpaulin. 6. Two rope hooks A are fixed on the front side wall of the carriage. The compression ropes A leaking from the upper surface of the tarpaulin are hung on the rope hooks A. Two rope hooks B are fixed on the front side wall of the carriage. The compression ropes B leaking from the upper surface of the tarpaulin are hung on the rope hooks B. The compression ropes A can better compress the front side of the tarpaulin to prevent the wind from blowing up the front side of the tarpaulin. The compression ropes B can better compress the back side of the tarpaulin to prevent the wind from blowing up the back side of the tarpaulin. 7. The left end of the rotating shaft of the reduction motor is fixedly connected to the manual winch to manually roll up or unfold the tarpaulin. 8. A rubber handle is fixed on the left end of the manual winch, which makes it more comfortable to hold the manual winch.

[0036] The specific embodiments of the present invention do not constitute a limitation of the present invention. All similar structures and changes of the present invention are within the protection scope of the present invention.

Claims

1. A quick manual and automatic tarpaulin retracting and releasing device, characterized in that: The utility model comprises a carriage (1), a rubber tooth strip A (2), a rubber tooth strip B (3), a connecting pin (4), a tarpaulin assembly (5), a steel wire rope (6), a pull ring (7), a retractable assembly (8), a fixing pin (9), and a rope tightener (21). The upper front part of the carriage (1) is fixedly connected to the rubber tooth strip A (2) in the left and right directions. The upper rear part of the carriage (1) is fixedly connected to the rubber tooth strip B (3) in the left and right directions. The retractable assembly (8) is placed in the front and rear directions of the upper part of the carriage (1). The front and rear parts of the retractable assembly (8) are respectively located on the upper parts of the rubber tooth strip A (2) and the rubber tooth strip B (3). The retractable assembly (8) comprises a winding rod (801), a resin gear A (802), a resin gear B (803), a reduction motor (804), A connecting rod (805), a slider (806), a spring (807), a slideway (808), a bearing (809), a connecting shaft (810), and a bent plate connecting piece (811); a resin gear B (803) is fixedly sleeved on the front end of the winding rod (801), and the resin gear B (803) is meshed with the rubber toothed strip A (2); a resin gear A (802) is fixedly sleeved on the rear end of the winding rod (801), and the resin gear A (802) is meshed with the rubber toothed strip B (3); the upper end of the winding rod (801) is fixedly connected to the rotating shaft of the reduction motor (804); the upper end of the connecting rod (805) is hinged to the left side of the outer wall of the reduction motor (804); and the slider (806) is sleeved on the outside of the connecting rod (805) in sequence. The spring (807), the slider (806), and the spring (807) are respectively slidably connected to the connecting rod (805), the lower end of the connecting rod (805) is fixed by a cotter pin, the upper part of the front side wall of the carriage (1) is fixedly connected to the rear side wall of the slideway (808), the left and right ends of the connecting shaft (810) are respectively fixedly connected to the inner ring of the bearing (809), and the bearing (809) and the connecting shaft (810) are located on the inner side of the slideway (808), the bearings (809) at both ends of the connecting shaft (810) are rotatably connected to the bottom of the inner side wall of the slideway (808), the rear end of the bent plate connecting piece (811) is fixedly connected to the middle of the bottom of the connecting shaft (810), and the front end of the bent plate connecting piece (811) is fixedly connected to the slider (806). ) is hinged at the rear side of the outer wall of the carriage (1); the upper part of the right side wall of the carriage (1) is fixedly connected with a plurality of connecting pins (4) in sequence from front to back, and the connecting pins (4) pass through the right side of the tarpaulin assembly (5); the tarpaulin assembly (5) comprises a tarpaulin (501), a through hole B (502), and a fixed belt (503); the tarpaulin (501) is fixedly connected with a plurality of fixed belts (503) in sequence in the left and right directions, and the right end of the fixed belt (503) is flush with the right end of the tarpaulin (501), and the left end of the fixed belt (503) exceeds the left end of the tarpaulin (501); the right side of the tarpaulin (501) is provided with a plurality of through holes B (502) in sequence from front to back, and the through hole B (502) on the tarpaulin (501) is connected with the connecting pin (4) in coordination;The through hole B (502) on the tarpaulin (501) is located on the right side of the through hole A (401) opened on the left side of the connecting pin (4); the steel wire rope (6) passes through the through hole A (401) on the connecting pin (4) in sequence; the rear end of the steel wire rope (6) is fixedly connected to the front end of the fixing pin (9), and the fixing pin (9) is located on the rear side of the connecting pin (4) on the rear side; the front side of the right side wall of the carriage (1) is fixedly connected to the pull ring (7); the front end of the steel wire rope (6) is fixedly connected to the pull ring (7); the left end of the tarpaulin (501) is fixedly connected to the winding rod (801); a plurality of rope tighteners (21) are evenly fixed on the left side of the bottom of the carriage (1); the left end of the fixed coil (503) is wound around the rope tightener (21); A plurality of barrier rod assemblies A (10) are fixedly connected to the upper portion of the left side wall of the carriage (1) in sequence from front to back, and the barrier rod assembly A (10) comprises a base (1001), a rotating rod (1002), and a barrier rod (1003); the base (1001) is fixedly connected to the upper portion of the left side wall of the carriage (1); the rotating rod (1002) passes through the base (1001), and the upper end of the rotating rod (1002) is fixedly connected to the lower portion of the barrier rod (1003); A plurality of baffle rod assemblies B (11) are fixedly connected to the upper portion of the right side wall of the carriage (1) in sequence from front to rear, and the baffle rod assembly B (11) has the same structure as the baffle rod assembly A (10). The baffle rod assembly B (11) is symmetrically arranged relative to the baffle rod assembly A (10) and relative to the carriage (1), and the tarpaulin (501) is fixedly connected to steel strips (12) along the front and rear directions.

2. A quick manual-automatic tarpaulin retracting and releasing device as claimed in claim 1, characterized in that: The front side of the tarpaulin (501) is evenly provided with four through holes C (13), and the compression rope A (14) sequentially passes through the through holes C (13) starting from the tarpaulin (501), the right end of the compression rope A (14) is fixedly connected to the tarpaulin (501), the left end of the compression rope A (14) passes around the upper left side of the car (1), and the left end of the compression rope A (14) is wound around the rope tightening device (21) at the front end of the car (1), and the rear side of the tarpaulin (501) is evenly provided with four through holes D (15), and the compression rope B (16) sequentially passes through the through holes D (15) starting from the tarpaulin (501), the right end of the compression rope B (16) is fixedly connected to the tarpaulin (501), the left end of the compression rope B (16) passes around the upper left side of the car (1), and the left end of the compression rope B (16) is wound around the rope tightening device (21) at the front end of the car (1).

3. A quick manual-automatic tarpaulin retracting and releasing device as claimed in claim 2, characterized in that: Two rope hooks A (17) are fixed on the front side wall of the carriage (1), and the compression ropes A (14) leaking out from the upper surface of the tarpaulin (501) are respectively hung on the rope hooks A (17). Two rope hooks B (18) are fixed on the front side wall of the carriage (1), and the compression ropes B (16) leaking out from the upper surface of the tarpaulin (501) are respectively hung on the rope hooks B (18).

4. A quick manual-automatic tarpaulin retracting and releasing device as claimed in claim 1, characterized in that: The left end of the rotating shaft of the reduction motor (804) is fixedly connected to a manual twisting rod (19).

5. A quick manual-automatic tarpaulin retracting and releasing device as claimed in claim 4, characterized in that: The left end of the manual twisting rod (19) is fixedly sleeved with a rubber handle (20).

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