A combined hoisting equipment of a hoisting arm and a lifting platform

Abstract

The present application discloses a combined hoisting device of a hoisting arm and a lifting platform, comprising: a vehicle body, a hoisting arm and a lifting platform; the hoisting arm includes: a vertical arm, a horizontal arm, a first motor and a second motor; the vertical arm is vertically arranged on the vehicle body and is rotatably arranged along the horizontal plane; the first end of the horizontal arm is rotatably connected to the top of the vertical arm along the vertical plane, and the second end is provided with a hook; the first motor is used to drive the horizontal arm to rotate; the second motor is used to drive the vertical arm to rotate; the lifting platform includes: a bottom platform, a cross lifting frame, an end platform, a third motor and a manned platform; the bottom platform is arranged on the vehicle body; the cross lifting frame is arranged on the bottom platform; the end platform is arranged on the top of the cross lifting frame; the manned platform is rotatably arranged on the end platform; the third motor is used to drive the manned platform to rotate. By integrally arranging the lifting platform and the hoisting arm on the vehicle body, compared with the cooperation mode of a separate hoisting vehicle and a knuckle boom lift platform, it has a more compact structure and is more suitable for narrow and complex spaces.

Description

Technical Field

[0001] The present application relates to the technical field of hoisting equipment, and in particular to a hoisting equipment combining a hoisting arm and a lifting platform. Background Art

[0002] As my country's West-to-East Power Transmission Project continues to expand, more and more substations will be put into construction and use to support power transmission projects. In the maintenance and construction of substations, it is necessary to use a crane and a boom lift to cooperate with each other to install heavy equipment. In some terrains with complex terrain and narrow construction space, it is very inconvenient for workers to use a crane and a boom lift to cooperate with each other, which reduces construction efficiency. Summary of the invention

[0003] In view of this, the purpose of the present application is to provide a lifting device combining a lifting arm and a lifting platform, which is used to solve the problem of inconvenient coordination between the lifting vehicle and the articulated arm lifting platform when the existing substation is installed in a narrow and complex area.

[0004] In order to achieve the above technical purpose, the present application provides a lifting device combining a lifting arm and a lifting platform, comprising: a vehicle body, a lifting arm and a lifting platform;

[0005] The hoisting arm comprises: a vertical arm, a horizontal arm, a first motor and a second motor;

[0006] The vertical arm is vertically arranged on the vehicle body and can be rotated along a horizontal plane;

[0007] The first end of the horizontal arm is rotatably connected to the top end of the vertical arm along a vertical plane, and the second end is provided with a hook;

[0008] The first motor is arranged on the vertical arm, and the output end of the first motor is transmission-connected with the horizontal arm, so as to drive the horizontal arm to rotate;

[0009] The second motor is arranged on the vehicle body, and the output end of the second motor is transmission-connected with the vertical arm, so as to drive the vertical arm to rotate;

[0010] The lifting platform comprises: a bottom platform, a cross lifting frame, an end platform, a third motor and a manned platform;

[0011] The base is arranged on the vehicle body;

[0012] The cross lifting frame can be lifted and lowered on the base platform;

[0013] The end platform is arranged on the top of the cross lifting frame;

[0014] The manned platform is rotatably arranged on the end platform along a horizontal plane;

[0015] The third motor is disposed on the end platform, and its output end is in transmission connection with the manned platform for driving the manned platform to rotate.

[0016] Further, a horizontal sliding mechanism is provided on the vehicle body;

[0017] The horizontal sliding mechanism includes: a fourth motor, a guide rail and a lead screw;

[0018] The base platform is slidably disposed on the guide rail;

[0019] The lead screw is arranged parallel to the guide rail and is in threaded engagement with the base platform;

[0020] The fourth motor is disposed on the vehicle body and is in transmission connection with the lead screw for driving the lead screw to rotate.

[0021] Further, the cross-lifting frame is lifted by telescopic hydraulic rods;

[0022] The telescopic hydraulic rods are disposed inside the cross-lifting frame, and both ends are respectively connected to different cross joints on the cross-lifting frame.

[0023] Further, the lifting platform further includes: a telescopic platform and a positioning pin;

[0024] The telescopic platform is slidably connected to the side of the manned platform in the horizontal direction;

[0025] A cavity for the telescopic platform to slide into is provided inside the manned platform;

[0026] A plurality of positioning holes are arranged in sequence on the telescopic platform;

[0027] Through holes corresponding to the positioning holes are provided on the manned platform;

[0028] The positioning pin is used to connect the through hole and the positioning hole.

[0029] Further, the lifting platform further includes: a telescopic guardrail;

[0030] The telescopic guardrail is telescopically arranged in the horizontal direction, and both bottom ends are respectively disposed on the telescopic platform and the manned platform.

[0031] Further, the vertical arm is a hydraulic telescopic arm.

[0032] Further, the horizontal arm is a hydraulic telescopic arm.

[0033] Further, a plurality of support legs are provided on the vehicle body and extend outward in the horizontal direction.

[0034] It can be seen from the above technical scheme that the present application provides a lifting device composed of a lifting arm and a lifting platform, comprising: a vehicle body, a lifting arm and a lifting platform; the lifting arm comprises: a vertical arm, a horizontal arm, a first motor and a second motor; the vertical arm is vertically arranged on the vehicle body and can be rotatably arranged along a horizontal plane; the first end of the horizontal arm can be rotatably connected to the top of the vertical arm along a vertical plane, and a hook is arranged at the second end; the first motor is arranged on the vertical arm, and the output end is transmission-connected with the horizontal arm for driving the horizontal arm to rotate; the second motor is arranged on the vehicle body, and the output end is transmission-connected with the vertical arm for driving the vertical arm to rotate; the lifting platform comprises: a bottom platform, a cross lifting frame, an end platform, a third motor and a manned platform; the bottom platform is arranged on the vehicle body; the cross lifting frame can be lifted and lowered on the bottom platform; the end platform is arranged on the top of the cross lifting frame; the manned platform can be rotatably arranged on the end platform along a horizontal plane; the third motor is arranged on the end platform, and the output end is transmission-connected with the manned platform for driving the manned platform to rotate. By integrating the lifting platform and the lifting arm on the vehicle body, it has a more compact structure and is more suitable for small and complex spaces compared to the separate lifting vehicle and articulated lifting platform. At the same time, the lifting arm can be rotated and adjusted in both the horizontal and vertical directions, which can improve the flexibility of the operation and is suitable for different on-site environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0036] Figure 1 A schematic diagram of the overall structure of a lifting device composed of a lifting arm and a lifting platform provided in an embodiment of the present application;

[0037] Figure 2 An enlarged view of a lifting platform of a lifting device composed of a lifting arm and a lifting platform provided in an embodiment of the present application;

[0038] Figure 3 A schematic diagram of a lifting device combined with a lifting arm and a lifting platform during construction provided in an embodiment of the present application. DETAILED DESCRIPTION

[0039] The technical solutions of the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts belong to the scope claimed by the present application.

[0040] In the description of the embodiments of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the embodiments of the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the embodiments of the present application. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0041] In the description of the embodiments of the present application, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a replaceable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific situations.

[0042] Please refer to Figures 1 to 3 , a combined hoisting device of a hoisting arm and a lifting platform provided in the embodiments of the present application, including: a vehicle body 1, a hoisting arm 2, and a lifting platform 3.

[0043] The hoisting arm 2 includes: a vertical arm 21, a horizontal arm 22, a first motor 23, and a second motor 24; the vertical arm 21 is vertically arranged on the vehicle body 1 and is rotatably arranged along the horizontal plane; the first end of the horizontal arm 22 is rotatably connected to the top end of the vertical arm 21 along the vertical plane, and the second end is provided with a hook; the first motor 23 is arranged on the vertical arm 21, and the output end is in transmission connection with the horizontal arm 22 for driving the horizontal arm 22 to rotate; the second motor 24 is arranged on the vehicle body 1, and the output end is in transmission connection with the vertical arm 21 for driving the vertical arm 21 to rotate.

[0044] Among them, the second motor 24 can be meshed and connected with a transmission gear 25 arranged at the bottom of the vertical arm 21 through a gear, so as to realize the rotation control of the vertical arm 21. The first motor 23 can be a rotating motor or a linear motor, and specifically, it can make the horizontal arm 22 rotate around the first end in the vertical direction.

[0045] The lifting platform 3 includes: a base 31, a cross lifting frame 32, an end platform 33, a third motor 34 and a manned platform 35; the base 31 is arranged on the vehicle body 1; the cross lifting frame 32 is arranged on the base 31 in a liftable manner; the end platform 33 is arranged at the top of the cross lifting frame 32; the manned platform 35 is arranged on the end platform 33 so as to be rotatable along the horizontal plane; the third motor 34 is arranged on the end platform 33, and the output end is in transmission connection with the manned platform 35 for driving the manned platform 35 to rotate.

[0046] Among them, the manned platform 35 can be installed on the end platform 33 through a slewing bearing 36, so as to realize the rotation of the manned platform 35. Please refer to Figure 3 , the rotatable manned platform 35 cooperates with the lifting arm 2, and the corresponding position can be adjusted according to the on-site situation, with better flexibility. In order to facilitate the staff to climb onto the manned platform 25, climbing ladders 37 can also be arranged on both sides of the end platform 33.

[0047] Furthermore, a horizontal sliding mechanism 4 is arranged on the vehicle body 1; the horizontal sliding mechanism 4 includes: a fourth motor 41, a guide rail 42 and a lead screw 43; the base 31 is arranged on the guide rail 42 in a slidable manner; the lead screw 43 is arranged in parallel with the guide rail 42 and is in threaded engagement with the base 31; the fourth motor 44 is arranged on the vehicle body 1 and is in transmission connection with the lead screw 43 for driving the lead screw 43 to rotate.

[0048] Specifically, the end of the lead screw 43 can be installed on the support 44 in a rotatable manner. The support 44 is installed on the vehicle body 1 for supporting the lead screw 43. The fourth motor 44 is installed on the support 44. Through the horizontal sliding mechanism 4, the position of the base 31 along the length direction of the guide rail 42 can be adjusted according to the working site situation to adapt to the installation equipment construction at different positions.

[0049] Furthermore, the cross lifting frame 32 is lifted and lowered by a telescopic hydraulic rod 38. Specifically, the cross lifting frame 32 is formed by connecting a plurality of rotatable cross joints end to end. The telescopic hydraulic rod 38 is arranged inside the cross lifting frame 32, and the two ends are respectively connected to different cross joints on the cross lifting frame 32. Thus, when the telescopic hydraulic rod 38 expands and contracts, it can push the cross joints to perform cross rotation, realizing the lifting control of the whole cross lifting frame 32.

[0050] Correspondingly, a plurality of telescopic hydraulic rods 38 can be arranged, which are respectively connected to different cross joints.

[0051] Further, the lifting platform 3 further includes: a telescopic platform 351 and a positioning pin 352; the telescopic platform 351 is slidably connected to the side of the manned platform 35 in the horizontal direction; a cavity for the telescopic platform 351 to slide into is provided inside the manned platform 35; a plurality of positioning holes 353 are arranged in a row on the telescopic platform 351; through holes are provided at positions corresponding to the positioning holes 353 on the manned platform 35; the positioning pin 352 is used to connect the through hole and the positioning hole 353.

[0052] Specifically, when it is necessary to increase the length of the manned platform 35, the telescopic platform 351 can be pulled out in the horizontal direction, and then fixed by connecting the through hole and the positioning hole 353 with the positioning pin 352.

[0053] Further, the lifting platform 3 further includes: a telescopic guardrail 39; the telescopic guardrail 39 is telescopically arranged in the horizontal direction, and the two ends of the bottom are respectively arranged on the telescopic platform 351 and the manned platform 35.

[0054] Specifically, corresponding to the telescopic sliding fit mode of the telescopic platform 351 and the manned platform 35, the telescopic guardrail 39 can adjust its length following the lengths of the telescopic platform 351 and the manned platform 35, providing more comprehensive protection for the staff.

[0055] Further, both the vertical arm 21 and the horizontal arm 22 are hydraulic telescopic arms, and their lengths can be adjusted according to actual needs.

[0056] Further, a plurality of support legs 5 are arranged on the vehicle body 1 on the outer side in the horizontal direction. The support legs 5 can also be hydraulic telescopic legs, which can play a supporting role during operation and improve the stability of the operation.

[0057] The operation steps of the hoisting arm and lifting platform combined hoisting equipment provided in this embodiment can be as follows:

[0058] First step, drive the vehicle body 1 to the side of the required construction position.

[0059] Second step, start the hydraulic device of the support legs 5. Under the action of the hydraulic pressure, the support legs 5 extend to contact the ground and fix the vehicle body 1.

[0060] Third step, start the first motor 23 of the hoisting arm 2 to drive the horizontal arm 22 to stand up. At the same time, extend the horizontal arm through the hydraulic device inside the horizontal arm 22; then the second motor 24 drives the vertical arm 21 and the horizontal arm 22 to rotate through the transmission gear until reaching the position of the required hoisting equipment.

[0061] Fourth step, fix the equipment to the hook and lift the equipment, and the second motor 24 drives the equipment to rotate to the construction position.

[0062] In the fifth step, the third motor 34 drives the manned platform 35 to rotate to one side of the construction position through the slewing bearing 36. The staff enters the manned platform 35 from the other side of the construction through the climbing ladder 37. The fourth motor 44 drives the lifting platform 3 to move to the construction position through the lead screw 43. The hydraulic device drives the telescopic hydraulic rod 38 to extend to raise the cross lifting frame 32, so that the manned platform 35 reaches the construction position. The personnel push out the telescopic platform 351 to the construction position, and thus the construction of the equipment can be carried out.

[0063] The overall structure of the hoisting arm and lifting platform combined hoisting equipment provided in this embodiment is compactly arranged, has higher use flexibility and occupies less space.

[0064] The above are the preferred embodiments of the present application and are not used to limit the present invention. Although the present application has been described in detail with reference to the examples, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing examples, or perform equivalent replacements for some of the technical features. However, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. A combined hoisting device of a hoisting arm and a lifting platform, characterized in that, Including: Vehicle body, lifting arm and lifting platform; The lifting arm includes: vertical arm, horizontal arm, first motor and second motor; The vertical arm is vertically arranged on the vehicle body and is rotatably arranged along the horizontal plane; The first end of the horizontal arm is rotatably connected to the top end of the vertical arm along the vertical plane, and the second end is provided with a hook; The first motor is arranged on the vertical arm, and the output end is in transmission connection with the horizontal arm for driving the horizontal arm to rotate; The second motor is arranged on the vehicle body, and the output end is in transmission connection with the vertical arm for driving the vertical arm to rotate; The lifting platform includes: bottom platform, cross lifting frame, end platform, third motor and manned platform; The bottom platform is arranged on the vehicle body; A horizontal sliding mechanism is arranged on the vehicle body; The horizontal sliding mechanism includes: fourth motor, guide rail and lead screw; The bottom platform is slidably arranged on the guide rail; The lead screw is arranged parallel to the guide rail and is in threaded engagement with the bottom platform; The fourth motor is arranged on the vehicle body and is in transmission connection with the lead screw for driving the lead screw to rotate; The cross lifting frame is arranged on the bottom platform in a liftable manner; The end platform is arranged on the top of the cross lifting frame; The manned platform is rotatably arranged on the end platform along the horizontal plane; The third motor is arranged on the end platform, and the output end is in transmission connection with the manned platform for driving the manned platform to rotate; The lifting platform further includes: telescopic platform, positioning pin and telescopic guardrail; The telescopic platform is slidably connected to the side of the manned platform in the horizontal direction; A cavity for the telescopic platform to slide into is arranged inside the manned platform; A plurality of positioning holes are arranged in a row on the telescopic platform; Through holes are arranged at the positions corresponding to the positioning holes on the manned platform; The positioning pin is used to connect the through hole and the positioning hole; The telescopic guardrail is telescopically arranged in the horizontal direction, and the two ends of the bottom are respectively arranged on the telescopic platform and the manned platform; A plurality of support legs are arranged on the vehicle body in the horizontal outer direction; 2. The combined hoisting device of a hoisting arm and a lifting platform according to claim 1, characterized in that, The cross lifting frame is lifted by a telescopic hydraulic rod; The telescopic hydraulic rod is arranged inside the cross lifting frame, and the two ends are respectively connected to different cross joints on the cross lifting frame; 3. The combined hoisting device of a hoisting arm and a lifting platform according to claim 1, characterized in that, The vertical arm is a hydraulic telescopic arm; 4. The combined hoisting device of a hoisting arm and a lifting platform according to claim 1, characterized in that, The horizontal arm is a hydraulic telescopic arm;

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