Low center of mass erecting device

Abstract

The application relates to a low-center-of-gravity erecting device, and belongs to the technical field of erecting devices. The low-center-of-gravity erecting device solves the problems that, in the prior art, erecting a superheavy object requires a large erecting thrust, the output power of a motor and the carrying capacity of a vehicle chassis are too high, and the overall height of the vehicle is limited in the erecting state. The low-center-of-gravity erecting device comprises an erecting cylinder and a rotating device. The rotating device drives the lower supporting point of the erecting cylinder to rotate downward and abut against the ground, so that the center of gravity of the erecting cylinder is lowered. The lower supporting point of the erecting cylinder designed in the application rotates downward along with the rotating device, until the rotating device abuts against the ground. In this process, the upper supporting point is stationary, so that the included angle between the erecting cylinder and the ground is increased, the required erecting thrust is reduced, and the output power of the motor of the vehicle energy system is reduced.

Description

Technical Field

[0001] This invention relates to the field of erection device technology, and more particularly to a low center of gravity erection device. Background Technology

[0002] Currently, the erection device is installed on the vehicle frame, with its lower support fixed on the frame and its upper support connected to the object being erected. The vehicle's energy system drives the erection cylinder to extend and retract, enabling actions such as erecting and flipping the object.

[0003] However, when performing actions such as erecting and flipping heavy objects, the erecting device needs to have a large output power, which also places high demands on the load-bearing capacity of the vehicle chassis. In addition, road height restrictions limit the overall height of the vehicle when driving on the road. Therefore, it is necessary to control the overall height of the vehicle during erection and reduce the angle between the erecting cylinder and the ground to meet road passability and driving safety. This invention addresses the problems of existing erecting devices that require large erecting thrust, excessively high motor output power of the vehicle's energy system, and excessively high load-bearing capacity of the vehicle chassis when erecting heavy objects, as well as the problem of limiting the overall height of the vehicle during erection. It proposes a low center of gravity erecting device. Summary of the Invention

[0004] Based on the above analysis, the present invention aims to provide a low center of gravity erection device to solve the problems of existing erection devices requiring large erection thrust, excessively high requirements for motor output power and vehicle chassis load-bearing capacity when erecting heavy objects, and limitations on the overall height of the vehicle during the erection state.

[0005] This invention provides a low center of gravity erection device, including an erection cylinder and a rotating device;

[0006] The top and bottom of the erecting cylinder are respectively provided with an upper support point and a lower support point. The upper support point is movably connected to the object being erected, and the lower support point is movably connected to the rotating device.

[0007] The rotating device drives the lower fulcrum to rotate upward and be placed on the frame;

[0008] The rotating device drives the lower fulcrum to rotate downwards and come into contact with the ground, thereby lowering the center of gravity of the erecting cylinder.

[0009] Optionally, the rotating device includes a support.

[0010] Optionally, the rotating device further includes at least one sliding cylinder.

[0011] Optionally, the rotating device further includes two sliding cylinders, namely a first sliding cylinder and a second sliding cylinder.

[0012] Optionally, the rotating device further includes at least one pull rod.

[0013] Optionally, the rotating device further includes two pull rods, namely a first pull rod and a second pull rod.

[0014] Optionally, the support is provided with a first lug, a second lug, and a third lug, with the second lug disposed between the first lug and the third lug.

[0015] Optionally, the first sliding cylinder is hinged to the first support lug; the second sliding cylinder is hinged to the third support lug; and the erecting cylinder is hinged to the second support lug.

[0016] Optionally, the first pull rod is hinged to the first lug; the second pull rod is hinged to the third lug.

[0017] Optionally, the rotating device further includes a first motor and a second motor, wherein the first motor is connected to the first sliding cylinder, and the second motor is connected to the second sliding cylinder.

[0018] The present invention also provides a method for erecting a low center of gravity erection device, the steps of which include:

[0019] Step 1: Install the erection device;

[0020] Step 2: Start the first motor and the second motor to drive the support to move downwards until it hits the ground;

[0021] Step 3: Start the vehicle's energy system to drive the lifting cylinder, completing the actions of lifting or flipping the object being lifted;

[0022] Step 4: After erection is complete, start the first motor and the second motor to drive the support to move upward until it is stored on the frame.

[0023] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0024] 1. The lower support point of the erecting cylinder designed in this invention rotates downward as the rotating device rotates downward until the rotating device comes into contact with the ground. During this process, the upper support point remains stationary, thereby increasing the angle between the erecting cylinder and the ground, which reduces the required erecting thrust and decreases the motor output power of the vehicle's energy system.

[0025] 2. The present invention designs the lower support point of the erecting cylinder to fall to the ground with the rotating device, and then transmits the vertical reaction force of the erecting thrust to the ground, thereby reducing the load-bearing capacity requirements of the vehicle chassis and improving the stability and reliability of the vehicle during the erection process.

[0026] 3. The support, tie rod, and sliding cylinder designed in this invention form a stable triangle, which can more stably support the erection device.

[0027] In this invention, the above-described technical solutions can be combined with each other to achieve more preferred combinations. Other features and advantages of this invention will be set forth in the following description, and some advantages may become apparent from the description or be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained from what is particularly pointed out in the description and drawings. Attached Figure Description

[0028] The accompanying drawings are for illustrative purposes only and are not intended to limit the invention. Throughout the drawings, the same reference numerals denote the same parts.

[0029] Figure 1 This is a schematic diagram of the structure of the erection device of the present invention;

[0030] Figure 2 This is a top view of the erection device of the present invention;

[0031] Figure 3 This is a schematic diagram of the initial state of the erection device of the present invention;

[0032] Figure 4 This is a schematic diagram of the erection device of the present invention in contact with the ground.

[0033] Figure label:

[0034] 1-Erecting cylinder; 11-Upper fulcrum; 12-Lower fulcrum; 2-Support; 21-First support lug; 22-Second support lug; 23-Third support lug; 30-First sliding cylinder; 31-First motor; 32-Second sliding cylinder; 33-Second motor; 34-First tie rod; 35-Second tie rod; 4-Front bracket; 41-First fixed support lug; 5-Rear bracket; 51-Second fixed support lug; 6-Frame. Detailed Implementation

[0035] Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.

[0036] Example 1

[0037] A specific embodiment of the present invention, such as Figures 1 to 4As shown, the present invention discloses a low center of gravity erection device, including an erection cylinder 1 and a rotating device. The top and bottom ends of the erection cylinder 1 are respectively provided with an upper support point 11 and a lower support point 12. The upper support point 11 is movably connected to the object to be erected, and the lower support point 12 is movably connected to the rotating device. The vehicle chassis is provided with a hollow channel, through which the rotating device can pass and rotate downward to contact the ground or rotate upward to be placed on the vehicle frame. When the rotating device rotates downward, it drives the lower support point 12 of the erection cylinder 1 to rotate downward. The lower support point 12 descends to the ground through the hollow channel with the rotating device, thereby lowering the center of gravity of the erection cylinder 1.

[0038] In this embodiment, the lower fulcrum 12 of the erecting cylinder 1 rotates downward as the rotating device rotates downward until the rotating device comes into contact with the ground. During this process, the upper fulcrum 11 remains stationary, thereby increasing the angle between the erecting cylinder 1 and the ground. This reduces the required erecting thrust and decreases the output power of the vehicle's power system motor. After the lower fulcrum 12 falls to the ground with the rotating device, it transmits the vertical reaction force of the erecting thrust to the ground, thereby reducing the load-bearing capacity requirements of the vehicle chassis and improving the stability and reliability of the vehicle during the erection process.

[0039] The rotating device includes a support 2, which includes a base plate and at least one lug. The base plate is vertically connected to the lug, and the lug is movably connected to the erecting cylinder 1.

[0040] In this embodiment, the support 2 is provided with three lugs, namely the first lug 21, the second lug 22, and the third lug 23. The second lug 22 is located between the first lug 21 and the third lug 23, and the first lug 21 and the third lug 23 are symmetrically arranged on both sides of the second lug 22 to balance the erection device.

[0041] The first lug 21 includes a first sub-plate, a second sub-plate, a third sub-plate, and a cylindrical shaft. The first sub-plate is fixedly connected to the base plate. The second and third sub-plates are perpendicularly connected to the first sub-plate and are parallel to each other. The second and third sub-plates are provided with coaxial through holes. The cylindrical shaft passes through the through holes of the second and third sub-plates and is fixed to the second and third sub-plates by nuts. Similarly, the second lug 22 and the third lug 23 are also arranged in the same manner as the first lug 21, and the cylindrical shafts of the second lug 22, the third lug 23, and the first lug 21 are coaxially arranged.

[0042] The upper support point 11 and lower support point 12 of the lifting cylinder 1 are provided with a first ring a and a first ring b. The first ring b of the lower support point 12 is sleeved on the cylindrical shaft of the second lug 21 and can rotate around the cylindrical shaft. The first ring a of the upper support point 12 is hinged to the object being lifted and the object being lifted can rotate on the first ring a.

[0043] In this embodiment, the support 2 can move upward or downward, and the lower support 12 moves upward or downward with the support 2, replacing the existing lower support fixed on the frame. The lower support 12 of the present invention is movable, so that the lower support 12 moves downward, which can increase the horizontal angle between the lifting cylinder 1 and the ground, reduce the required lifting thrust, and reduce the motor output power of the vehicle energy system.

[0044] The rotating device also includes at least one sliding cylinder, which is mounted on the rear support 5 fixedly connected to the frame. In this embodiment, there are two sliding cylinders, specifically a first sliding cylinder 30 and a second sliding cylinder 32 arranged symmetrically. The first sliding cylinder 30 has a second collar at both ends. The second collar at the bottom of the first sliding cylinder 30 rotates with the cylindrical shaft of the first support ear 21, and the second collar at the top is rotatably connected to the second fixed support ear 5 of the rear support 5. The second sliding cylinder 32 has a third collar at both ends. The third collar at the bottom of the second sliding cylinder 32 rotates with the cylindrical shaft of the third support ear 23, and the third collar at the top is rotatably connected to the second fixed support ear 51 of the rear support 5.

[0045] Furthermore, the erecting cylinder 1, the first sliding cylinder 30, and the second sliding cylinder 32 can all be hydraulic cylinders or electric cylinders, etc.

[0046] In this embodiment, the first sliding cylinder 30 and the second sliding cylinder 32 are distributed on both sides of the erecting cylinder 1. On the one hand, they can balance the erecting device. On the other hand, when the erecting cylinder 1 erects an object, the erecting cylinder 1 can rotate around the first sliding cylinder 30 and the second sliding cylinder 32. The first sliding cylinder 30 and the second sliding cylinder 32 will not obstruct the erecting cylinder 1, thus increasing the angle that the erecting cylinder 1 can rotate.

[0047] The rotating device also includes a first motor 31 and a second motor 33. The first motor 31 is connected to the first sliding cylinder 30, and the second motor 33 is connected to the second sliding cylinder 32. The first motor 31 drives the first sliding cylinder 30 to extend and retract, and the second motor 33 drives the second sliding cylinder 32 to extend and retract.

[0048] In this embodiment, when it is necessary to erect an object, the first motor 31 drives the first sliding cylinder 30 to extend downward, and the second motor 33 drives the second sliding cylinder 32 to extend downward, which in turn causes the support 2 to move downward. At this time, because the support 2 moves downward, the lower fulcrum 12 of the erecting cylinder 1 moves downward, and the erecting cylinder 1 extends. When it is not necessary to erect an object, the first motor 31 drives the first sliding cylinder 30 to retract upward, and the second motor 33 drives the second sliding cylinder 32 to retract upward, which in turn causes the support 2 to move upward, which in turn causes the lower fulcrum 12 of the erecting cylinder 1 to move upward.

[0049] The rotating device also includes at least one pull rod, which is mounted on the front bracket 4 fixedly connected to the frame. In this embodiment, there are two pull rods, specifically a first pull rod 34 and a second pull rod 35 arranged symmetrically. The first pull rod 34 has a fourth collar at both ends. The fourth collar at the top end of the first pull rod 34 is rotatably connected to the front bracket 4, and the fourth collar at the bottom end is engaged with the cylindrical shaft of the first support lug 21 for rotation. The second pull rod 35 has a fifth collar at both ends. The fifth collar at the top end of the second pull rod 35 is rotatably connected to the front bracket 4, and the fifth collar at the bottom end is engaged with the cylindrical shaft of the third support lug 23 for rotation.

[0050] Optionally, the materials for the first pull rod 34 and the second pull rod 35 can be alloy steel or carbon steel, etc.

[0051] In this embodiment, the first pull rod 34 and the first sliding cylinder 30 are both rotated in cooperation with the first support lug 21, and the second pull rod 35 and the second sliding cylinder 32 are both rotated in cooperation with the third support lug 23. In order to ensure the stability of the erecting device during the erection process, the first pull rod 34, the first sliding cylinder 30 and the second pull rod 35, the second sliding cylinder 32 are symmetrically arranged on both sides of the erecting cylinder 1.

[0052] In this embodiment, when the first sliding cylinder 30 and the second sliding cylinder 32 drive the support 2 to move downward or upward, since the first pull rod 34 and the second pull rod 35 are not retractable, the first pull rod 34 and the second pull rod 35 rotate downward or upward with the connection end with the front bracket 4 as the rotation point and the length of the first pull rod 34 and the second pull rod 35 as the rotation radius.

[0053] In this embodiment, when the object to be erected needs to be erected or flipped, the first motor 31 and the second motor 33 are activated. The first motor 31 and the second motor 33 drive the first sliding cylinder 30 and the second sliding cylinder 32 to extend downwards, thereby causing the support 2 to move downwards. Since the first pull rod 34 and the second pull rod 35 are respectively hinged to the support 2, the downward movement trajectory of the support 2 is a rotation with the hinge point between the first pull rod 34, the second pull rod 35 and the front bracket 4 as the origin and the length of the first pull rod 34 and the second pull rod 35 as the radius, until the support 2 touches the ground and the first motor 31 and the second motor 33 stop. Thus, the support 2, the pull rod and the sliding cylinder form a stable triangle, which can more stably support the erection device.

[0054] This embodiment provides another solution: the first pull rod 34 and the second pull rod 35 can also be a telescopic first cylinder and a second cylinder. The erecting device also includes a fourth motor and a fifth motor. The fourth motor is connected to the first cylinder, and the fifth motor is connected to the second cylinder.

[0055] Furthermore, in the initial state, the first and second cylinders are in the extended state, while the first and second sliding cylinders 30 and 32 are in the retracted state, and the support 2 is placed on the frame. When the object being erected needs to be erected or flipped, the first, second, third, and fourth motors are activated. At this time, the first and second motors 31 and 33 drive the first and second sliding cylinders 30 and 32 to extend downwards, while the third and fourth motors drive the first and second cylinders to retract upwards, ensuring that the upward retraction distance of the first and second cylinders is less than the downward extension distance of the first and second sliding cylinders 30 and 32, until the support 2 touches the ground, at which point the first, second, third, and fourth motors are deactivated. During this process, the first and second sliding cylinders 30 and 32 exert a pushing force on the support 2, while the first and second cylinders exert a pulling force on the support 2, making the support 2 move downwards more smoothly.

[0056] Alternatively, in the initial state, the first cylinder, the second cylinder, the first sliding cylinder 30, and the second sliding cylinder 32 are all in the retracted state. The first motor 31, the second motor 33, the third motor, and the fourth motor are started. The first motor 31, the second motor 33, the third motor, and the fourth motor drive the first sliding cylinder 30, the second sliding cylinder 32, the first cylinder, and the second cylinder to extend downwards until the support 2 contacts the ground. This process speeds up the contact between the support 2 and the ground, shortens the working time, and improves work efficiency.

[0057] Example 2

[0058] The present invention also provides a method for erecting a low center of gravity erection device. According to the low center of gravity erection device provided in Embodiment 1, the steps include:

[0059] Step 1: Install the erection device;

[0060] Step 2: Start the first motor 31 and the second motor 33 to drive the support 2 to move downwards until it hits the ground;

[0061] Step 3: Start the vehicle's energy system to drive the lifting cylinder 1, and complete the actions such as lifting or flipping the object being lifted.

[0062] Step 4: After the erection is completed, start the first motor 31 and the second motor 33 to drive the support 2 to move upward until it is stored on the frame.

[0063] The specific work process is as follows:

[0064] In step 1, according to Embodiment 1 of the present invention, the erecting device is installed. First, the first support ear 21, the second support ear 22, the third support ear 23 and the base plate form a support 2. Then, one end of the first pull rod 34 and the first sliding cylinder 30 is hinged to the first support ear 21, one end of the second pull rod 35 and the second sliding cylinder 3 is hinged to the third support ear 23, and one end of the erecting cylinder 1 is hinged to the second support ear 22. Subsequently, the first motor is connected to the first sliding cylinder 30, and the second motor is connected to the second sliding cylinder 32. Finally, the other end of the first pull rod 34 and the second pull rod 35 is hinged to the first fixed support ear 41 of the front bracket 4, and the other end of the first sliding cylinder 30 and the second sliding cylinder 32 is hinged to the second fixed support ear 51 of the rear bracket 5. The front bracket 4 and the rear bracket 5 are both fixedly connected to the vehicle frame. The vehicle chassis is provided with a hollow channel, through which the rotating device can pass and abut against the ground. The lower fulcrum 12 descends to the ground through the hollow channel with the rotating device, thereby lowering the center of gravity of the erecting cylinder 1.

[0065] In step 2, when the object to be erected needs to be erected or flipped, the first motor 31 and the second motor 33 are started. The first motor 31 and the second motor 33 drive the first sliding cylinder 30 and the second sliding cylinder 32 to extend downward, causing the support 2 to move downward. Since the first tie rod 34 and the second tie rod 35 are hinged to the support 2, the downward movement trajectory of the support 2 is a rotation with the hinge point of the first tie rod 34 and the second tie rod 35 and the front bracket 4 as the origin and the length of the first tie rod 34 and the second tie rod 35 as the radius, passing through the hollow channel of the vehicle chassis until the support 2 touches the ground, and the first motor 31 and the second motor 33 stop. Finally, the support 2, the tie rod and the sliding cylinder form a stable triangle, which can more stably support the erection device.

[0066] In step 3, the vehicle's energy system is activated to drive the erecting cylinder 1 to perform actions such as erecting and flipping the object to be erected.

[0067] In step 4, after the object being erected is erected, the first motor 31 and the second motor 33 are started. The first motor 31 and the second motor 33 drive the first sliding cylinder 30 and the second sliding cylinder 32 to retract upwards, thereby moving the support 2 upwards until the support 2 is on the frame, at which point the first motor 31 and the second motor 33 are stopped.

[0068] The beneficial effects of this invention are as follows:

[0069] 1. The lower support point of the erecting cylinder designed in this invention rotates downward as the rotating device rotates downward until the rotating device comes into contact with the ground. During this process, the upper support point remains stationary, thereby increasing the angle between the erecting cylinder and the ground, which reduces the required erecting thrust and decreases the motor output power of the vehicle's energy system.

[0070] 2. The present invention designs the lower support point of the erecting cylinder to fall to the ground with the rotating device, and then transmits the vertical reaction force of the erecting thrust to the ground, thereby reducing the load-bearing capacity requirements of the vehicle chassis and improving the stability and reliability of the vehicle during the erection process.

[0071] 3. The support, tie rod, and sliding cylinder designed in this invention form a stable triangle, which can more stably support the erection device.

[0072] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention.

Claims

1. A low center of gravity erection device, characterized in that, Includes a lifting cylinder (1) and a rotating device; The top and bottom of the lifting cylinder (1) are respectively provided with an upper support point (11) and a lower support point (12). The upper support point (11) is movably connected to the object being lifted, and the lower support point (12) is movably connected to the rotating device. The rotating device drives the lower fulcrum (12) to rotate upward and be placed on the frame; The rotating device drives the lower fulcrum (12) to rotate downwards and come into contact with the ground, thereby lowering the center of gravity of the erecting cylinder (1); The rotating device includes a support (2), a first sliding cylinder (30), a second sliding cylinder (32), a first pull rod (34), and a second pull rod (35); the support (2) is provided with a first lug (21), a second lug (22), and a third lug (23); The rear support (5) is fixedly connected to the frame; the first sliding cylinder (30) is hinged to the first support lug (21), and the top of the first sliding cylinder (30) is rotatably connected to the rear support (5); the second sliding cylinder (32) is hinged to the third support lug (23), and the top of the second sliding cylinder (32) is rotatably connected to the rear support (5); the erecting cylinder (1) is hinged to the second support lug (22); The front bracket (4) is fixedly connected to the frame; the top end of the first tie rod (34) is rotatably connected to the front bracket (4), and the bottom end is rotated with the first lug (21); the top end of the second tie rod (35) is rotatably connected to the front bracket (4), and the bottom end is rotated with the third lug (23); When an object needs to be erected or flipped, the first sliding cylinder (30) and the second sliding cylinder (32) extend downwards, causing the support (2) to move downwards. Since the first pull rod (34) and the second pull rod (35) are respectively hinged to the support (2), the downward movement trajectory of the support (2) is with the hinge point of the first pull rod (34), the second pull rod (35) and the front bracket (4) as the origin, and the length of the first pull rod (34) and the second pull rod (35) as the radius, until the support (2) touches the ground, and the support (2), pull rod and sliding cylinder form a triangle.

2. The low center of gravity erection device according to claim 1, characterized in that, The rotating device also includes at least one sliding cylinder.

3. The low center of gravity erection device according to claim 1, characterized in that, The rotating device also includes at least one pull rod.

4. A low center of gravity erection device according to claim 1, characterized in that, The second branch ear (22) is disposed between the first branch ear (21) and the third branch ear (23).

5. A low center of gravity erection device according to claim 1, characterized in that, The rotating device also includes a first motor (31) and a second motor (33), wherein the first motor (31) is connected to the first sliding cylinder (30); and the second motor (33) is connected to the second sliding cylinder (32).

6. A method for erecting a low center of gravity erecting device, characterized in that, A low center of gravity erection device according to any one of claims 1-5, comprising the steps of: Step 1: Install the erection device; Step 2: Start the first motor (31) and the second motor (33) to drive the support (2) to move downwards until it hits the ground; Step 3: Start the vehicle's energy system to drive the lifting cylinder (1) to complete the lifting or flipping of the object being lifted; Step 4: After the erection is completed, start the first motor (31) and the second motor (33) to drive the support (2) to move upward until it is stored on the frame.

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