Overhead working truck

Abstract

The utility model relates to the technical field of engineering operation vehicles, in particular to an overhead working truck which comprises a truck body and a mounting seat, the mounting seat is fixedly mounted on the truck body, a first supporting arm is hinged to the top of the mounting seat, and a first telescopic power part is hinged between the bottom of the mounting seat and the first supporting arm; a movable seat is arranged at the end, away from the mounting seat, of the first supporting arm, a second supporting arm is hinged to the movable seat, a second telescopic power part is hinged between the second supporting arm and the first supporting arm, a third supporting arm is hinged to the end, away from the movable seat, of the second supporting arm, and a third telescopic power part is hinged between the third supporting arm and the second supporting arm; a hanging basket is hinged to the end, away from the second supporting arm, of the third supporting arm, and a pull rod assembly used for keeping the hanging basket in the horizontal state all the time is arranged among the hanging basket, the third supporting arm, the second supporting arm, the first supporting arm and the installation base. According to the overhead working truck, by additionally arranging the pull rod assembly, the hanging basket can be kept in the horizontal state all the time.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of engineering operation vehicles, in particular to a high-altitude operation vehicle. BACKGROUND

[0002] The high-altitude operation vehicle is a special vehicle for installing, maintaining and cleaning high-altitude equipment, and has the advantages of good operation performance, high operation efficiency and operation safety compared with the traditional operation mode of using a scaffold or a ladder.

[0003] According to the search, the Chinese patent with the application number 202322605118.4 discloses a mixed-arm high-altitude operation vehicle, which comprises a vehicle body, a box body fixedly arranged on the outer wall of the vehicle body, a rotating platform rotatably connected to the top of the box body, a rotating base fixedly arranged on the top of the rotating platform, a first driving oil cylinder rotatably connected to the outer wall of the rotating base, a first supporting arm rotatably connected to the outer wall of the rotating base, a second driving oil cylinder rotatably connected to the outer wall of the first supporting arm, a second supporting arm rotatably connected to the outer wall of the first supporting arm, a third driving oil cylinder installed on the outer wall of the second supporting arm, a basket rotatably connected to the outer wall of the second supporting arm, a pressure switch fixedly arranged on the bottom of the inner cavity of the basket, a supporting assembly fixedly arranged on the bottom of the inner cavity of the basket, a bearing platform fixedly arranged on the top of the supporting assembly, a protective plate rotatably connected to the inner wall of the basket, and a fixed column fixedly arranged on the outer wall of the protective plate.

[0004] According to the related technology in the above, the inventors believe that there are the following technical defects to be improved:

[0005] When the workers are working at high altitude, they generally stand in the basket that is lifted to high altitude, but in the common high-altitude operation vehicle, the basket is rotatably connected to the top of the supporting arm, so it is difficult to ensure that the basket is always in a horizontal state, which is not conducive to the workers to stand steadily and work at high altitude. CONTENT OF THE UTILITY MODEL

[0006] The application provides a high-altitude operation vehicle to improve the following technical problems:

[0007] In the common high-altitude operation vehicle, the basket is rotatably connected to the top of the supporting arm, so it is difficult to ensure that the basket is always in a horizontal state, which is not conducive to the workers to stand steadily and work at high altitude.

[0008] The application provides a high-altitude operation vehicle, which adopts the following technical scheme:

[0009] The utility model provides an aerial work platform, including car body and mounting seat, mounting seat fixedly installed on car body, the top of mounting seat is hinged with first support arm, and the bottom of mounting seat and first support arm are hinged with first telescopic power part, and the end of first support arm away from mounting seat is provided with movable seat, and movable seat is hinged with second support arm, and second support arm and first support arm are hinged with second telescopic power part, and the end of second support arm away from movable seat is hinged with third support arm, and third support arm and second support arm are hinged with third telescopic power part, and the end of third support arm away from second support arm is hinged with basket, and the basket, third support arm, second support arm, first support arm and mounting seat are provided with pull rod assembly for keeping the basket always in horizontal state.

[0010] In an embodiment of the present application, the point where the first support arm connects with the mounting seat is hinge point one, the point where the second support arm connects with the movable seat is hinge point two, the point where the third support arm connects with the second support arm is hinge point three, and the point where the basket connects with the third support arm is hinge point four. A pull rod seat one is rotatably arranged at the hinge point two, a pull rod seat two is rotatably arranged at the hinge point three, a balance pull rod one is hingedly connected between the mounting seat and one end of the pull rod seat one, a balance pull rod two is hingedly connected between the other end of the pull rod seat one and one end of the pull rod seat two, and a balance pull rod three is hingedly connected between the other end of the pull rod seat two and the basket.

[0011] The two end connections of the balance pull rod one are hinge point five and hinge point six, respectively, and the hinge point five, the hinge point six, the hinge point one and the hinge point two form a first parallelogram. The two end connections of the balance pull rod two are hinge point seven and hinge point eight, respectively, and the hinge point seven, the hinge point eight, the hinge point two and the hinge point three form a second parallelogram. The two end connections of the balance pull rod three are hinge point nine and hinge point ten, respectively, and the hinge point nine, the hinge point ten, the hinge point three and the hinge point four form a third parallelogram.

[0012] In an embodiment of the present application, the balance pull rod one has a first threaded connection section for adjusting the length, the balance pull rod two has a second threaded connection section for adjusting the length, and the balance pull rod three has a third threaded connection section for adjusting the length.

[0013] In an embodiment of the present application, the first threaded connection section is arranged adjacent to the mounting seat, the second threaded connection section is arranged adjacent to the movable seat, and the third threaded connection section is arranged adjacent to the basket.

[0014] In an implementation of the present application, the first support seat is arranged on the vehicle body and is used to support the first support arm in the retracted state.

[0015] In an implementation of the present application, the second support seat is arranged on the first support arm and is used to support the second support arm in the retracted state.

[0016] In an implementation of the present application, the third support seat is further arranged on the vehicle body and is used to support the bottom of the basket in the lowest position.

[0017] In an implementation of the present application, the first, second and third telescopic power parts are all hydraulic oil cylinders.

[0018] In an implementation of the present application, the first, second and third balance pull rods are all stainless steel pull rods.

[0019] In an implementation of the present application, the vehicle body comprises a vehicle head, a vehicle basket, front wheels, rear wheels and hydraulic support legs, the vehicle basket is connected to the tail of the vehicle head, the mounting seat is arranged on the vehicle basket, the front wheels are arranged at the bottom of the vehicle head, the rear wheels are arranged at the bottom of the vehicle basket, and a group of the hydraulic support legs are arranged at each corner of the vehicle basket.

[0020] In summary, the present application has at least one of the following beneficial technical effects:

[0021] The overall structure is simple and stable, and no additional power structure is needed to drive the basket to rotate. By adding the pull rod assembly, the basket can always be kept in a horizontal state, which is beneficial for the workers to stand stably and work at high altitude, and the practicality is higher. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Fig. 1 is a structural schematic diagram of the overhead working vehicle in the embodiment of the present application.

[0024] Fig. 2 is a position schematic diagram of each hinge point in the embodiment of the present application.

[0025] Explanation of reference signs:

[0026] 1, mounting seat; 2, vehicle body; 21, vehicle head; 22, vehicle hopper; 23, front wheel; 24, rear wheel; 25, hydraulic support leg; 3, first support arm; 4, first telescopic power part; 5, movable seat; 6, second support arm; 7, second telescopic power part; 8, third support arm; 9, third telescopic power part; 10, basket; 11, pull rod seat one; 12, pull rod seat two; 13, balance pull rod one; 131, first threaded connection section; 14, balance pull rod two; 141, second threaded connection section; 15, balance pull rod three; 151, third threaded connection section; 16, first support seat; 17, second support seat; 18, third support seat; 19, lifting hook;

[0027] 101, hinge point one; 102, hinge point two; 103, hinge point three; 104, hinge point four; 105, hinge point five; 106, hinge point six; 107, hinge point seven; 108, hinge point eight; 109, hinge point nine; 110, hinge point ten. DETAILED DESCRIPTION

[0028] In order to make the technical problems to be solved by the present application, the technical solutions and beneficial effects clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not intended to limit the present application.

[0029] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0030] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0031] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0032] The application will be further described below in conjunction with the accompanying drawings. Figs. 1-2 The application will be further described below in conjunction with the accompanying drawings.

[0033] The application discloses a high-altitude operation vehicle. Referring to Figs. 1-2 The high-altitude operation vehicle comprises a vehicle body 2 and a mounting seat 1 fixedly installed on the vehicle body 2, a first supporting arm 3 hingedly connected to the top of the mounting seat 1, a first telescopic power part 4 hingedly connected between the bottom of the mounting seat 1 and the first supporting arm 3, a movable seat 5 arranged at the end of the first supporting arm 3 away from the mounting seat 1, a second supporting arm 6 hingedly connected to the movable seat 5, a second telescopic power part 7 hingedly connected between the second supporting arm 6 and the first supporting arm 3, a third supporting arm 8 hingedly connected to the end of the second supporting arm 6 away from the movable seat 5, a third telescopic power part 9 hingedly connected between the third supporting arm 8 and the second supporting arm 6, and a hanging basket 10 hingedly connected to the end of the third supporting arm 8 away from the second supporting arm 6, wherein a pull rod assembly for keeping the hanging basket 10 in a horizontal state at all times is arranged between the hanging basket 10, the third supporting arm 8, the second supporting arm 6, the first supporting arm 3 and the mounting seat 1.

[0034] The end of the first supporting arm 3 away from the mounting seat 1 is also provided with a hook 19, and in this embodiment, the first telescopic power part 4, the second telescopic power part 7 and the third telescopic power part 9 are all hydraulic cylinders.

[0035] The vehicle body 2 comprises a vehicle head 21, a vehicle hopper 22, a front wheel 23, a rear wheel 24 and hydraulic supporting legs 25, the vehicle hopper 22 is connected to the tail of the vehicle head 21, the mounting seat 1 is arranged on the vehicle hopper 22, the front wheel 23 is arranged at the bottom of the vehicle head 21, the rear wheel is arranged at the bottom of the vehicle hopper 22, and a group of hydraulic supporting legs 25 is arranged at each corner of the vehicle hopper 22.

[0036] The specific structure and positional relationship of the pull rod assembly are as follows: the point at which the first supporting arm 3 is connected to the mounting seat 1 is a hinged point one 101, the point at which the second supporting arm 6 is connected to the movable seat 5 is a hinged point two 102, the point at which the third supporting arm 8 is connected to the second supporting arm 6 is a hinged point three 103, the point at which the hanging basket 10 is connected to the third supporting arm 8 is a hinged point four 104, a pull rod seat one 11 is rotatably arranged at the hinged point two 102, a pull rod seat two 12 is rotatably arranged at the hinged point three 103, a balance pull rod one 13 is hingedly connected between the mounting seat 1 and one end of the pull rod seat one 11, a balance pull rod two 14 is hingedly connected between the other end of the pull rod seat one 11 and one end of the pull rod seat two 12, and a balance pull rod three 15 is hingedly connected between the other end of the pull rod seat two 12 and the hanging basket 10.

[0037] The two end connecting points of the balance pull rod one 13 are the hinge point five 105 and the hinge point six 106, the hinge point five 105, the hinge point six 106, the hinge point one 101 and the hinge point two 102 form a first parallelogram, the two end connecting points of the balance pull rod two 14 are the hinge point seven 107 and the hinge point eight 108, the hinge point seven 107, the hinge point eight 108, the hinge point two 102 and the hinge point three 103 form a second parallelogram, and the two end connecting points of the balance pull rod three 15 are the hinge point nine 109 and the hinge point ten 110, the hinge point nine 109, the hinge point ten 110, the hinge point three 103 and the hinge point four 104 form a third parallelogram.

[0038] During the rotation, the first support arm 3, the second support arm 6 and the third support arm 8 are always in a certain length after the adjustment of the balance pull rod one 13, the balance pull rod two 14 and the balance pull rod three 15, and under the tension of the balance pull rod one 13, the balance pull rod two 14 and the balance pull rod three 15, the pull rod seat one 11 and the pull rod seat two 12 adaptively rotate and transmit the tension to the basket 10, so that the basket 10 always keeps horizontal.

[0039] Since the pull rod assembly forms three groups of parallelograms corresponding to the first support arm 3, the second support arm 6 and the third support arm 8, and the stability principle of the parallelogram is combined, the basket 10 can always keep in a horizontal state.

[0040] In the embodiment, the balance pull rod one 13, the balance pull rod two 14 and the balance pull rod three 15 are all stainless steel pull rods.

[0041] In the embodiment, the balance pull rod one 13 has a first threaded connecting segment 131 for adjusting the length, the balance pull rod two 14 has a second threaded connecting segment 141 for adjusting the length, and the balance pull rod three 15 has a third threaded connecting segment 151 for adjusting the length, and specifically, the first threaded connecting segment 131 is arranged adjacent to the mounting seat 1, the second threaded connecting segment 141 is arranged adjacent to the movable seat 5, and the third threaded connecting segment 151 is arranged adjacent to the basket 10. The above design facilitates the installation and adjustment of the respective lengths, thereby facilitating the rapid formation of the first parallelogram, the second parallelogram and the third parallelogram.

[0042] In order to improve the stability of the whole vehicle when the basket 10 is not lifted to a high altitude, the vehicle body 2 is provided with a first support seat 16 for supporting the first support arm 3 in a retracted state, the first support arm 3 is provided with a second support seat 17 for supporting the second support arm 6 in a retracted state, and the vehicle body 2 is further provided with a third support seat 18 for supporting the bottom of the basket 10 in the lowest position.

[0043] The high-altitude operation vehicle of the embodiment has the following beneficial technical effects:

[0044] The whole structure is simple and stable, and does not need to additionally install a power structure to drive the hanging basket 10 to rotate. By additionally adding the pull rod assembly, the hanging basket 10 can be kept in a horizontal state at all times, which is beneficial to the stable standing of the workers and the high-altitude operation, and is more practical.

[0045] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the application shall be included in the protection scope of the present application.

Claims

1. An aerial work platform, characterized in that, The utility model provides a kind of aerial work platform, including car body (2) and mounting seat (1), the mounting seat (1) is fixedly installed on the car body (2), the top of the mounting seat (1) is hinged with first support arm (3), first telescopic power part (4) is hinged between the bottom of the mounting seat (1) and the first support arm (3), the end of the first support arm (3) away from the mounting seat (1) is provided with movable seat (5), the movable seat (5) is hinged with second support arm (6), second telescopic power part (7) is hinged between the second support arm (6) and the first support arm (3), the end of the second support arm (6) away from the movable seat (5) is hinged with third support arm (8), third telescopic power part (9) is hinged between the third support arm (8) and the second support arm (6), the end of the third support arm (8) away from the second support arm (6) is hinged with basket (10), the basket (10), the third support arm (8), the second support arm (6), the first support arm (3) and the mounting seat (1) are provided with pull rod assembly for keeping the basket (10) always in horizontal state; The point that the first support arm (3) is connected with the mounting seat (1) is hinge point one (101), the point that the second support arm (6) is connected with the movable seat (5) is hinge point two (102), the point that the third support arm (8) is connected with the second support arm (6) is hinge point three (103), the point that the basket (10) is connected with the third support arm (8) is hinge point four (104), rotating pull rod seat one (11) is provided at hinge point two (102), rotating pull rod seat two (12) is provided at hinge point three (103), balance pull rod one (13) is hinged between the mounting seat (1) and one end of pull rod seat one (11), balance pull rod two (14) is hinged between the other end of pull rod seat one (11) and one end of pull rod seat two (12), balance pull rod three (15) is hinged between the other end of pull rod seat two (12) and the basket (10); The two end connections of balance pull rod one (13) are hinge point five (105) and hinge point six (106) respectively, first parallelogram is formed between hinge point five (105), hinge point six (106), hinge point one (101) and hinge point two (102);The two end connections of balance pull rod two (14) are hinge point seven (107) and hinge point eight (108) respectively, second parallelogram is formed between hinge point seven (107), hinge point eight (108), hinge point two (102) and hinge point three (103);The two end connections of balance pull rod three (15) are hinge point nine (109) and hinge point ten (110) respectively, third parallelogram is formed between hinge point nine (109), hinge point ten (110), hinge point three (103) and hinge point four (104).

2. The aerial work platform vehicle of claim 1, wherein, The first threaded connecting section (131) is arranged adjacent to the mounting base (1), the second threaded connecting section (141) is arranged adjacent to the movable base (5), and the third threaded connecting section (151) is arranged adjacent to the hanging basket (10).

3. The aerial work platform vehicle of claim 2, wherein, The first threaded connecting section (131) is arranged adjacent to the mounting base (1), the second threaded connecting section (141) is arranged adjacent to the movable base (5), and the third threaded connecting section (151) is arranged adjacent to the hanging basket (10).

4. The aerial device of claim 1, wherein, The first support arm (3) is provided with a second support base (17) for supporting the second support arm (6) in the retracted state.

5. The aerial device of claim 1, wherein, The first support arm (3) is provided with a second support base (17) for supporting the second support arm (6) in the retracted state.

6. The aerial device of claim 1, wherein, The first support arm (3) is provided with a second support base (17) for supporting the second support arm (6) in the retracted state.

7. The aerial device vehicle of claim 1, wherein, The first support arm (3) is provided with a second support base (17) for supporting the second support arm (6) in the retracted state.

8. The aerial device vehicle of claim 1, wherein, The first telescopic power part (4), the second telescopic power part (7) and the third telescopic power part (9) are all hydraulic oil cylinders.

9. The aerial device vehicle of claim 1, wherein, The first telescopic power part (4), the second telescopic power part (7) and the third telescopic power part (9) are all hydraulic oil cylinders. The first telescopic power part (4), the second telescopic power part (7) and the third telescopic power part (9) are all hydraulic oil cylinders. The vehicle body (2) comprises a vehicle head (21), a vehicle hopper (22), front wheels (23), rear wheels (24) and hydraulic support legs (25), the vehicle hopper (22) is connected to the tail of the vehicle head (21), the mounting base (1) is arranged on the vehicle hopper (22), the front wheels (23) are arranged at the bottom of the vehicle head (21), the rear wheels (24) are arranged at the bottom of the vehicle hopper (22), and a group of hydraulic support legs (25) are arranged at each corner of the vehicle hopper (22).

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