A multifunctional wheelbarrow for mountain agriculture

Abstract

The present invention is applicable to the field of wheelbarrows, and provides a multifunctional wheelbarrow for mountain agriculture, comprising a loading platform, a handle and a mounting frame fixed on the loading platform, a main shaft rotatably connected to the mounting frame, a roller fixed on the main shaft, and further comprising: a driving shaft, a mounting sleeve, a rotating shaft, a first pulley, a belt, a second pulley, a driving wheel and a supporting leg; the mounting sleeve is fixed on the loading platform, the driving shaft and the rotating shaft are both rotatably connected to the mounting sleeve, a motor is fixed on the mounting sleeve, the rotating end of the motor is connected to the driving shaft, and the driving wheel is fixed on the driving shaft; the first pulley is fixed on the main shaft, the second pulley is fixed on the rotating shaft, the first pulley and the second pulley are connected by belt transmission, and the supporting leg is fixed on the loading platform. The backward limiting component limits the roller from rolling backward, thereby preventing the wheelbarrow from moving down the slope, thereby improving the safety of the wheelbarrow.

Description

Technical Field

[0001] The invention belongs to the field of wheelbarrows, and in particular relates to a multifunctional wheelbarrow for agriculture in mountainous areas. Background Art

[0002] The wheelbarrow is commonly known as a "handcart", and is also known as a chariot, a deer cart, a handcart, a cart, a dirt cart, a sheep-head cart, a sheep-horn cart, etc. The wheelbarrow uses the principle of leverage to bring the load's resistance point close to the fulcrum (i.e., the wheel) to make its operation more efficient and also share the load between the wheelbarrow and the operator. Because the wheelbarrow makes it easy to move heavy or large loads, it is indispensable in construction sites, farmlands, and gardens.

[0003] When using a wheelbarrow in mountainous and hilly areas, it is often necessary to push the wheelbarrow uphill, which is extremely physically demanding. When the user is physically exhausted due to climbing, the wheelbarrow is very likely to fall backward, posing a safety risk. However, existing wheelbarrows do not have a structure to prevent the user from falling backward on a slope. Summary of the invention

[0004] The purpose of the embodiment of the present invention is to provide a multifunctional wheelbarrow for mountain agriculture, aiming to solve the problem that the wheelbarrow is easy to fall back and pose a safety risk when the user uses the wheelbarrow to climb a slope.

[0005] The present invention is implemented as follows: a multifunctional wheelbarrow for mountain agriculture, comprising a loading platform, a handle and a mounting frame fixed on the loading platform, a main shaft rotatably connected to the mounting frame, a roller fixed on the main shaft, and further comprising:

[0006] A drive shaft, a mounting sleeve, a rotating shaft, a first pulley, a belt, a second pulley, a drive wheel and a support leg;

[0007] The mounting sleeve is fixed on the loading platform, the driving shaft and the rotating shaft are both rotatably connected to the mounting sleeve, a motor is fixed on the mounting sleeve, the rotating end of the motor is connected to the driving shaft, and the driving wheel is fixed on the driving shaft;

[0008] The first pulley is fixed on the main shaft, the second pulley is fixed on the rotating shaft, the first pulley and the second pulley are connected by belt transmission, and the support leg is fixed on the loading platform;

[0009] A retreat limiting component, used for limiting the rolling of the roller backwards, wherein the retreat limiting component is arranged on the mounting sleeve;

[0010] A starting component, which starts the motor to rotate by limiting the retreat component, and the starting component is arranged on the mounting sleeve;

[0011] A transmission assembly, which connects the driving wheel to the rotating shaft through the limiting retreat assembly, and the transmission assembly is arranged on the loading platform;

[0012] A stop assembly, which resets the transmission assembly and stops the motor from rotating by limiting the retreat assembly, and the stop assembly is arranged on the loading platform;

[0013] The motor stop component temporarily stops the rotation of the motor by making the supporting leg contact with the ground, and the motor stop component is arranged on the supporting leg.

[0014] A further technical solution is that the retreat limiting component is provided with a mounting ring, a ratchet bar, a tension spring, a first guide slider, meshing teeth and a first compression spring, the mounting ring is fixed on the rotating shaft, and a plurality of first guide grooves are evenly arranged in an annular shape on the mounting ring, the first guide slider is slidably connected in the first guide groove, the meshing teeth are fixed on the first guide slider, the first compression spring is arranged in the first guide groove, the ratchet bar is slidably connected to the loading platform, and the two ends of the tension spring are respectively connected to the ratchet bar and the loading platform.

[0015] A further technical solution is that the starting component includes a second guide slider, a second compression spring, a starting switch, a third guide slider, a limiting tooth and a third compression spring. A second guide slot and a third guide slot are provided on the loading platform. The second guide slider is slidably connected in the second guide slot. The starting switch is fixed on the second guide slider. The starting switch is electrically connected to the motor. The two ends of the second compression spring are respectively connected to the second guide slider and the inner wall of the second guide slot. The third guide slider is slidably connected in the third guide slot. The limiting tooth is fixed on the third guide slider. The ratchet bar is provided with a limiting slot cooperating with the limiting tooth, and the third compression spring is arranged in the third guide slot.

[0016] A further technical solution is that the transmission assembly includes a fixed block, a sliding block, a first transmission wheel, a second transmission wheel and a follower rod, the fixed block is fixed on the loading platform, the fixed block is provided with a guide groove, the sliding block is slidably connected in the guide groove, the first transmission wheel is rotatably connected to the sliding block, the second transmission wheel is fixed on the rotating shaft, the follower rod is fixed on the ratchet bar, the sliding block is provided with an oblique push groove, the end of the follower rod is slidably connected in the oblique push groove, and the fixed block is provided with an avoidance groove for avoiding the follower rod.

[0017] A further technical solution is that the stop assembly includes a first pull rope, a first steering wheel, a second steering wheel, a mounting block and a shift rod, the first steering wheel is rotatably connected in a third guide slide groove, three second steering wheels are rotatably connected to the handle, the mounting block is fixed on the handle, the shift rod is rotatably connected to the mounting block, one end of the first pull rope is fixed on the third guide slider, and the end of the first pull rope is connected to the shift rod after passing around the first steering wheel and the second steering wheel.

[0018] A further technical solution is that the motor stop assembly includes a second pull rope, a third steering wheel, a fourth steering wheel, a fourth guide slider, a rolling wheel, a fourth compression spring and a push rod. The support leg is provided with a mounting groove and a fourth guide slot. The third steering wheel and the fourth steering wheel are both rotatably connected in the mounting groove, the fourth guide slider is slidably connected in the fourth guide slot, the rolling wheel is rotatably connected to the fourth guide slider, the push rod is fixed on the fourth guide slider, the two ends of the fourth compression spring are respectively connected to the fourth guide slider and the end of the fourth guide slider, one end of the second pull rope is fixed to the second guide slider, and the other end of the second pull rope is connected to the push rod after passing around the third steering wheel and the fourth steering wheel.

[0019] According to a further technical solution, an anti-slip sleeve is fixed on the handle, and anti-slip patterns are arranged on the anti-slip sleeve.

[0020] The embodiment of the present invention provides a multifunctional wheelbarrow for mountain agriculture, in which a backward limiting component limits the roller from rolling backward, thereby preventing the wheelbarrow from moving down the slope, thereby improving the safety of the wheelbarrow; the starting component starts the motor to rotate by limiting the backward component, the motor drives the driving shaft to rotate, the driving shaft drives the driving wheel to rotate, the transmission component connects the driving wheel with the rotating shaft through the backward limiting component, thereby causing the driving wheel to drive the rotating shaft to rotate, the rotating shaft drives the main shaft to rotate by means of a first pulley, a belt, and a second pulley, and the main shaft drives the roller to rotate, thereby achieving a power-assisting effect and saving the user's physical strength in pushing the wheelbarrow to climb the slope. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic structural diagram of a multifunctional wheelbarrow for mountain agriculture provided by an embodiment of the present invention;

[0022] Figure 2 The embodiment of the present invention provides Figure 1 Schematic diagram of the structure of the middle supporting leg;

[0023] Figure 3 The embodiment of the present invention provides Figure 1 A is a schematic diagram of the enlarged structure of the middle part;

[0024] Figure 4 The embodiment of the present invention provides Figure 1Schematic diagram of the enlarged structure of B;

[0025] Figure 5 The embodiment of the present invention provides Figure 3 Schematic diagram of the enlarged structure of C in the figure.

[0026] In the accompanying drawings: loading platform 101, handle 102, anti-slip sleeve 103, mounting frame 104, main shaft 105, roller 106, drive shaft 107, mounting sleeve 108, rotating shaft 109, first pulley 110, belt 111, second pulley 112, drive wheel 113, support leg 114, retreat limiting component 2, mounting ring 201, ratchet bar 202, tension spring 203, first guide slot 204, first guide slider 205, meshing teeth 206, first compression spring 207, starting component 3, second guide slot 301, second guide slider 302, second compression spring 303, starting switch 304, third guide slot 305, third guide Slider 306, limit tooth 307, third compression spring 308, limit groove 309, stop assembly 4, first pull rope 401, first steering wheel 402, second steering wheel 403, mounting block 404, lever 405, transmission assembly 5, fixed block 501, guide groove 502, sliding block 503, first transmission wheel 504, second transmission wheel 505, follower rod 506, oblique push groove 507, avoidance groove 508, motor stop assembly 6, second pull rope 601, mounting groove 602, third steering wheel 603, fourth steering wheel 604, fourth guide slide groove 605, fourth guide slider 606, rolling wheel 607, fourth compression spring 608, push rod 609. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0028] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0029] like Figure 1 and Figure 2 As shown, a multifunctional wheelbarrow for mountain agriculture provided by an embodiment of the present invention includes a loading platform 101, a handle 102 and a mounting frame 104 are fixed on the loading platform 101, a main shaft 105 is rotatably connected to the mounting frame 104, and a roller 106 is fixed on the main shaft 105, and further includes:

[0030] A driving shaft 107, a mounting sleeve 108, a rotating shaft 109, a first pulley 110, a belt 111, a second pulley 112, a driving wheel 113 and a supporting leg 114;

[0031] The mounting sleeve 108 is fixed on the loading platform 101, the driving shaft 107 and the rotating shaft 109 are both rotatably connected to the mounting sleeve 108, a motor is fixed on the mounting sleeve 108, the rotating end of the motor is connected to the driving shaft 107, and the driving wheel 113 is fixed on the driving shaft 107;

[0032] The first pulley 110 is fixed on the main shaft 105, the second pulley 112 is fixed on the rotating shaft 109, the first pulley 110 and the second pulley 112 are connected by a belt 111, and the support leg 114 is fixed on the loading platform 101;

[0033] A retreat limiting component 2, used for limiting the rolling of the roller 106 backwards, wherein the retreat limiting component 2 is arranged on the mounting sleeve 108;

[0034] A starting component 3, which starts the motor to rotate by limiting the retreat component 2, and the starting component 3 is arranged on the mounting sleeve 108;

[0035] The transmission assembly 5 is used to connect the driving wheel 113 with the rotating shaft 109 by limiting the retreat assembly 2, and the transmission assembly 5 is arranged on the loading platform 101;

[0036] The stop component 4 is used to reset the transmission component 5 and stop the motor from rotating by limiting the retreat component 2. The stop component 4 is disposed on the loading platform 101;

[0037] The motor stop component 6 temporarily stops the rotation of the motor by making the support leg 114 contact with the ground. The motor stop component 6 is arranged on the support leg 114 .

[0038] In the embodiment of the present invention, when the user does not have enough physical strength to push the wheelbarrow to climb the slope, the roller 106 moves backward, the roller 106 drives the main shaft 105 to reverse, and the main shaft 105 drives the rotating shaft 109 to reverse through the first pulley 110, the belt 111 and the second pulley 112. At this time, the limiting back-moving component 2 limits the roller 106 from rolling backward, thereby preventing the wheelbarrow from moving down the slope, thereby improving the safety of the wheelbarrow. The starting component 3 starts the motor to rotate by limiting the back-moving component 2, and the motor drives the driving shaft 107 to rotate, and the driving shaft 107 drives the driving wheel 113 to rotate. The transmission component 5 connects the driving wheel 113 with the rotating shaft 109 through the limiting back-moving component 2, thereby causing the driving wheel 113 to drive the rotating shaft 109 to rotate, and the rotating shaft 109 is driven by the first pulley 110, the belt 111 and the second pulley 112. The main shaft 105 is driven by the transmission method of 111 and the second pulley 112, and the main shaft 105 drives the roller 106 to rotate, thereby playing a power-assisting effect and saving the user's physical strength to push the wheelbarrow to climb the hill. When the climbing is over, the stop component 4 resets the transmission component 5 and stops the motor rotation by limiting the retreat component 2. When the user needs to take a break while pushing the wheelbarrow to climb the hill, the handle 102 is lowered, and the support leg 114 is in contact with the ground. The motor stop component 6 temporarily stops the motor rotation by the support leg 114 being in contact with the ground. When continuing to push the wheelbarrow to climb the hill, the handle 102 is lifted up, and the handle 102 drives the loading platform 101 to be lifted up. At this time, the motor stop component 6 starts the motor to rotate, thereby avoiding the motor still doing work during the temporary rest, thereby protecting the motor.

[0039] like Figure 1 , Figure 3 and Figure 5 As shown, as a preferred embodiment of the present invention, the retreat limiting component 2 is provided with a mounting ring 201, a ratchet bar 202, a tension spring 203, a first guide slider 205, meshing teeth 206 and a first compression spring 207, the mounting ring 201 is fixed on the rotating shaft 109, and a plurality of first guide grooves 204 are evenly arranged in an annular manner on the mounting ring 201, the first guide slider 205 is slidably connected in the first guide groove 204, the meshing teeth 206 are fixed on the first guide slider 205, the first compression spring 207 is arranged in the first guide groove 204, the ratchet bar 202 is slidably connected to the loading platform 101, and the two ends of the tension spring 203 are respectively connected to the ratchet bar 202 and the loading platform 101.

[0040] In the embodiment of the present invention, when the user lacks physical strength, the roller 106 moves backward, the roller 106 drives the main shaft 105 to reverse, the main shaft 105 drives the rotating shaft 109 to reverse through the first pulley 110, the belt 111 and the second pulley 112, the rotating shaft 109 drives the mounting ring 201 to reverse, the mounting ring 201 drives the meshing tooth 206 to reverse, the first compression spring 207 pushes the first guide slider 205, the first guide slider 205 drives the meshing tooth 206 to engage with the ratchet bar 202, and then the meshing tooth 206 drives the ratchet bar 202 to move to the right, until the tension spring 203 is extended, the tension of the tension spring 203 limits the ratchet bar 202 from moving to the right, and then limits the backward movement of the roller 106.

[0041] like Figure 1 , Figure 3 and Figure 4 As shown, as a preferred embodiment of the present invention, the starting component 3 includes a second guide slider 302, a second compression spring 303, a starting switch 304, a third guide slider 306, a limiting tooth 307 and a third compression spring 308. The loading platform 101 is provided with a second guide slot 301 and a third guide slot 305. The second guide slider 302 is slidably connected in the second guide slot 301. The starting switch 304 is fixed on the second guide slider 302. The starting switch 304 is electrically connected to the motor. The two ends of the second compression spring 303 are respectively connected to the second guide slider 302 and the inner wall of the second guide slot 301. The third guide slider 306 is slidably connected in the third guide slot 305. The limiting tooth 307 is fixed on the third guide slider 306. The ratchet bar 202 is provided with a limiting slot 309 cooperating with the limiting tooth 307. The third compression spring 308 is arranged in the third guide slot 305.

[0042] In the embodiment of the present invention, when the ratchet bar 202 moves to the right, it presses the start switch 304, and the start switch 304 controls the start of the motor. At the same time, the third compression spring 308 pushes the third guide slider 306 to move downward, and the third guide slider 306 drives the limiting tooth 307 to insert into the limiting groove 309, thereby limiting the ratchet bar 202 from moving to the left, so that the ratchet bar 202 continues to press the start switch 304, and the start switch 304 continues to control the rotation of the motor.

[0043] like Figure 1 and Figure 3As shown, as a preferred embodiment of the present invention, the transmission assembly 5 includes a fixed block 501, a sliding block 503, a first transmission wheel 504, a second transmission wheel 505 and a follower rod 506, the fixed block 501 is fixed on the loading platform 101, a guide groove 502 is provided on the fixed block 501, the sliding block 503 is slidably connected in the guide groove 502, the first transmission wheel 504 is rotatably connected to the sliding block 503, the second transmission wheel 505 is fixed on the rotating shaft 109, the follower rod 506 is fixed on the ratchet bar 202, an oblique push groove 507 is provided on the sliding block 503, the end of the follower rod 506 is slidably connected in the oblique push groove 507, and the fixed block 501 is provided with an avoidance groove 508 for avoiding the follower rod 506.

[0044] In the embodiment of the present invention, the ratchet bar 202 drives the follower rod 506 to move rightward, the follower rod 506 pushes the sliding block 503 to move upward through the inclined push groove 507, the sliding block 503 drives the first transmission wheel 504 to move upward, the first transmission wheel 504 contacts the second transmission wheel 505 and the driving wheel 113, the driving wheel 113 drives the first transmission wheel 504 to rotate through friction, the first transmission wheel 504 drives the second transmission wheel 505 to rotate through friction, and the second transmission wheel 505 drives the rotating shaft 109 to rotate.

[0045] like Figure 1 and Figure 4 As shown, as a preferred embodiment of the present invention, the stop assembly 4 includes a first pull rope 401, a first steering wheel 402, a second steering wheel 403, a mounting block 404 and a lever 405, the first steering wheel 402 is rotatably connected in the third guide slide groove 305, the handle 102 is rotatably connected with three second steering wheels 403, the mounting block 404 is fixed on the handle 102, the lever 405 is rotatably connected to the mounting block 404, one end of the first pull rope 401 is fixed on the third guide slider 306, and the end of the first pull rope 401 is connected to the lever 405 after passing through the first steering wheel 402 and the second steering wheel 403.

[0046] In the embodiment of the present invention, the lever 405 is pushed upward, the lever 405 pulls the first pull rope 401, the first pull rope 401 pulls the third guide slider 306 through the first steering wheel 402 and the second steering wheel 403 to overcome the elastic force of the third compression spring 308 and move upward, the third guide slider 306 drives the limiting tooth 307 to disengage from the limiting groove 309, the restriction of the ratchet bar 202 is released, the tension spring 203 pulls the ratchet bar 202 to move left, the ratchet bar 202 does not contact the starting switch 304, the starting switch 304 controls the motor to stop rotating, the ratchet bar 202 drives the follower rod 506 to move left, the follower rod 506 pushes the sliding block 503 downward through the oblique push groove 507, the sliding block 503 drives the first transmission wheel 504 to move downward, so that the first transmission wheel 504 does not contact the second transmission wheel 505 and the driving wheel 113.

[0047] like Figure 1 and Figure 2 As shown, as a preferred embodiment of the present invention, the motor stop assembly 6 includes a second pull rope 601, a third steering wheel 603, a fourth steering wheel 604, a fourth guide slider 606, a rolling wheel 607, a fourth compression spring 608 and a push rod 609, and the support leg 114 is provided with a mounting groove 602 and a fourth guide slot 605, the third steering wheel 603 and the fourth steering wheel 604 are both rotatably connected in the mounting groove 602, the fourth guide slider 606 is slidably connected in the fourth guide slot 605, the rolling wheel 607 is rotatably connected to the fourth guide slider 606, the push rod 609 is fixed on the fourth guide slider 606, the two ends of the fourth compression spring 608 are respectively connected to the fourth guide slider 606 and the end of the fourth guide slider 606, one end of the second pull rope 601 is fixed on the second guide slider 302, and the other end of the second pull rope 601 is connected to the push rod 609 after passing around the third steering wheel 603 and the fourth steering wheel 604.

[0048] In the embodiment of the present invention, when the wheelbarrow user needs to take a temporary rest during the climbing process, he puts down the handle 102, the rolling wheel 607 contacts the ground first, the ground pushes the rolling wheel 607 to move upward, the rolling wheel 607 drives the fourth guide slider 606 to overcome the elastic force of the fourth compression spring 608 and move upward relative to the support leg 114, the fourth guide slider 606 drives the push rod 609 to move upward, the push rod 609 pulls the second pull rope 601 through the third steering wheel 603 and the fourth steering wheel 604, the second pull rope 601 pulls the second guide slider 302 to move rightward, the second guide slider 302 drives the start switch 304 not to contact the ratchet bar 202, at this time, the start switch 304 is not pressed, and the start switch 304 is not pressed. 04 controls the motor to stop rotating until the supporting leg 114 contacts the ground, so that the wheelbarrow stops on the slope, and the user can take a temporary rest. When continuing to push the wheelbarrow to climb the slope, lift the handle 102 upward, the handle 102 drives the loading platform 101 upward, the loading platform 101 drives the supporting leg 114 upward and does not contact the ground, the fourth compression spring 608 pushes the fourth guide slider 606 to reset, the fourth guide slider 606 drives the rolling wheel 607 to reset, the second compression spring 303 pushes the second guide slider 302 to move left, the second guide slider 302 drives the starting switch 304 to contact the ratchet bar 202, and then the ratchet bar 202 pushes the starting switch 304, and the starting switch 304 controls the motor to rotate.

[0049] like Figure 1 As shown, as a preferred embodiment of the present invention, an anti-slip cover 103 is fixed on the handle 102, and the anti-slip cover 103 is provided with anti-slip grooves.

[0050] The above embodiment of the present invention provides a multifunctional wheelbarrow for mountain agriculture. When the user does not have enough physical strength to push the wheelbarrow to climb the slope, the roller 106 moves backward, and the roller 106 drives the main shaft 105 to reverse. The main shaft 105 drives the rotating shaft 109 to reverse through the first pulley 110, the belt 111 and the second pulley 112. The rotating shaft 109 drives the mounting ring 201 to reverse, and the mounting ring 201 drives the meshing teeth 206 to reverse. The first compression spring 207 pushes the first guide slider 205, and the first guide slider 205 drives the meshing teeth 206 to mesh with the ratchet bar 202, so that the meshing teeth 206 drives the ratchet bar 202 to move rightward, until the tension spring 203 is extended, and the tension of the tension spring 203 limits the ratchet bar 202 to move to the right. The third guide slider 306 drives the limiting tooth 307 to insert into the limiting groove 309, thereby limiting the leftward movement of the ratchet bar 202, so that the ratchet bar 202 continues to press the starting switch 304, and the starting switch 304 continues to control the rotation of the motor. The motor drives the driving shaft 107 to rotate, and the driving shaft 107 drives the driving wheel 113 to rotate. The ratchet bar 202 drives the follower rod 506 to move rightward, and the follower rod 506 pushes the inclined pushing groove 507. The movable sliding block 503 moves upward, and the sliding block 503 drives the first transmission wheel 504 to move upward. The first transmission wheel 504 contacts the second transmission wheel 505 and the driving wheel 113. The driving wheel 113 drives the first transmission wheel 504 to rotate through friction. The first transmission wheel 504 drives the second transmission wheel 505 to rotate through friction. The second transmission wheel 505 drives the rotating shaft 109 to rotate. The rotating shaft 109 drives the main shaft 105 to rotate through the first pulley 110, the belt 111 and the second pulley 112. The main shaft 105 drives the roller 106 to rotate, thereby achieving a power-assisting effect, saving the user's physical strength to push the wheelbarrow to climb the slope. When the climbing is completed, the lever 405 is pushed upward, and the lever 405 pulls the first pull rope 4 01, the first pull rope 401 pulls the third guide slider 306 through the first steering wheel 402 and the second steering wheel 403 to overcome the elastic force of the third compression spring 308 and move upward, the third guide slider 306 drives the limiting tooth 307 to disengage from the limiting groove 309, the restriction of the ratchet bar 202 is released, the tension spring 203 pulls the ratchet bar 202 to move left, the ratchet bar 202 does not contact the starting switch 304, the starting switch 304 controls the motor to stop rotating, the ratchet bar 202 drives the follower rod 506 to move left, the follower rod 506 pushes the sliding block 503 to move downward through the oblique push groove 507, the sliding block 503 drives the first transmission wheel 504 to move downward, so that the first transmission wheel 504 does not contact the second transmission wheel 505 and the driving wheel 113;When the wheelbarrow user needs to take a temporary rest during the climbing process, he puts down the handle 102, and the rolling wheel 607 contacts the ground first, and the ground pushes the rolling wheel 607 to move upward, and the rolling wheel 607 drives the fourth guide slider 606 to overcome the elastic force of the fourth compression spring 608 and move upward relative to the supporting leg 114, and the fourth guide slider 606 drives the push rod 609 to move upward, and the push rod 609 pulls the second pull rope 601 through the third steering wheel 603 and the fourth steering wheel 604, and the second pull rope 601 pulls the second guide slider 302 to move rightward, and the second guide slider 302 drives the starting switch 304 not to contact the ratchet bar 202. At this time, the starting switch 304 is not pressed, and the starting switch 304 controls the motor to stop rotating until the supporting leg 114 contacts the ground. After the wheelbarrow is in contact with the ground, the user stops on the slope and can take a rest. When the user continues to push the wheelbarrow to climb the slope, the handle 102 is lifted upward, and the handle 102 drives the loading platform 101 to lift upward, and the loading platform 101 drives the supporting legs 114 to lift upward and does not contact the ground. The fourth compression spring 608 pushes the fourth guide slider 606 to reset, and the fourth guide slider 606 drives the rolling wheel 607 to reset. The second compression spring 303 pushes the second guide slider 302 to move leftward, and the second guide slider 302 drives the start switch 304 to contact the ratchet bar 202, so that the ratchet bar 202 pushes the start switch 304, and the start switch 304 controls the motor to rotate, thereby preventing the motor from still doing work during the temporary rest, thereby protecting the motor. ;

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multifunctional wheelbarrow for mountain agriculture, comprising a loading platform, a handle and a mounting frame fixed on the loading platform, a main shaft rotatably connected to the mounting frame, and a roller fixed on the main shaft, characterized in that: Also includes: A drive shaft, a mounting sleeve, a rotating shaft, a first pulley, a belt, a second pulley, a drive wheel and a support leg; The mounting sleeve is fixed on the loading platform, the driving shaft and the rotating shaft are both rotatably connected to the mounting sleeve, a motor is fixed on the mounting sleeve, the rotating end of the motor is connected to the driving shaft, and the driving wheel is fixed on the driving shaft; The first pulley is fixed on the main shaft, the second pulley is fixed on the rotating shaft, the first pulley and the second pulley are connected by belt transmission, and the support leg is fixed on the loading platform; A retreat limiting component, used for limiting the rolling of the roller backwards, wherein the retreat limiting component is arranged on the mounting sleeve; A starting component, which starts the motor to rotate by limiting the retreat component, and the starting component is arranged on the mounting sleeve; A transmission assembly, which connects the driving wheel to the rotating shaft through the limiting retreat assembly, and the transmission assembly is arranged on the loading platform; A stop assembly, which resets the transmission assembly and stops the motor from rotating by limiting the retreat assembly, and the stop assembly is arranged on the loading platform; A motor stop component temporarily stops the motor from rotating by making the support leg contact the ground, and the motor stop component is arranged on the support leg; The retreat limiting assembly is provided with a mounting ring, a ratchet bar, a tension spring, a first guide slider, meshing teeth and a first compression spring, the mounting ring is fixed on the rotating shaft, a plurality of first guide slots are evenly arranged in an annular manner on the mounting ring, a first guide slider is slidably connected in the first guide slot, the meshing teeth are fixed on the first guide slider, the first compression spring is arranged in the first guide slot, the ratchet bar is slidably connected to the loading platform, and the two ends of the tension spring are respectively connected to the ratchet bar and the loading platform; The transmission assembly includes a fixed block, a sliding block, a first transmission wheel, a second transmission wheel and a follower rod, the fixed block is fixed on the loading platform, a guide groove is provided on the fixed block, the sliding block is slidably connected in the guide groove, the first transmission wheel is rotatably connected to the sliding block, the second transmission wheel is fixed on the rotating shaft, the follower rod is fixed on the ratchet bar, the sliding block is provided with an oblique push groove, the end of the follower rod is slidably connected in the oblique push groove, and the fixed block is provided with an avoidance groove for avoiding the follower rod.

2. The multifunctional wheelbarrow for mountain agriculture according to claim 1, characterized in that: The starting assembly includes a second guide slider, a second compression spring, a starting switch, a third guide slider, a limiting tooth and a third compression spring. The loading platform is provided with a second guide slot and a third guide slot. The second guide slider is slidably connected in the second guide slot. The starting switch is fixed on the second guide slider. The starting switch is electrically connected to the motor. The two ends of the second compression spring are respectively connected to the second guide slider and the inner wall of the second guide slot. The third guide slider is slidably connected in the third guide slot. The limiting tooth is fixed on the third guide slider. The ratchet bar is provided with a limiting slot that cooperates with the limiting tooth. The third compression spring is arranged in the third guide slot.

3. The multifunctional wheelbarrow for mountain agriculture according to claim 2, characterized in that: The stopping assembly includes a first pull rope, a first steering wheel, a second steering wheel, a mounting block and a shift rod. The first steering wheel is rotatably connected in a third guide slide groove. Three second steering wheels are rotatably connected to the handle. The mounting block is fixed to the handle. The shift rod is rotatably connected to the mounting block. One end of the first pull rope is fixed to the third guide slider. The end of the first pull rope is connected to the shift rod after passing around the first steering wheel and the second steering wheel.

4. The multifunctional wheelbarrow for mountain agriculture according to claim 3, characterized in that: The motor stop assembly includes a second pull rope, a third steering wheel, a fourth steering wheel, a fourth guide slider, a rolling wheel, a fourth compression spring and a push rod. The support leg is provided with a mounting groove and a fourth guide slider. The third steering wheel and the fourth steering wheel are both rotatably connected in the mounting groove, the fourth guide slider is slidably connected in the fourth guide slider, the rolling wheel is rotatably connected to the fourth guide slider, the push rod is fixed on the fourth guide slider, the two ends of the fourth compression spring are respectively connected to the fourth guide slider and the end of the fourth guide slider, one end of the second pull rope is fixed on the second guide slider, and the other end of the second pull rope is connected to the push rod after passing around the third steering wheel and the fourth steering wheel.

5. The multifunctional wheelbarrow for mountain agriculture according to claim 1, characterized in that: An anti-skid cover is fixed on the handle, and anti-skid patterns are arranged on the anti-skid cover.

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