Arch frame trolley

Abstract

The lagging jack trolley comprises a trolley body, an arm support assembly and a swing mechanism, and the swing mechanism is arranged on the trolley body; the boom assembly is connected with the vehicle body. The swing mechanism is used for driving the boom assembly to rotate. The arm frame assembly comprises at least two arm frames, at least one arm frame is connected with the swing mechanism, and at least one arm frame is rotationally connected with the vehicle body; the rotating part of the arm support rotationally connected with the trolley body is connected with the swinging mechanism, so that the driving structure of all arm supports on the trolley body is simplified, and a rotary oil cylinder does not need to be arranged on each arm support to drive the arm support to rotate, so that the driving structure of the arm supports on the trolley is relatively simple; the connecting strength of the arm support, the trolley body and the swing mechanism does not need to be enhanced by additionally arranging redundant reinforcing components, the occupied space of the swing mechanism is small, the weight and flatness of the trolley are greatly improved, and the manufacturing cost can be effectively controlled.

Description

Technical Field

[0001] The present application relates to the technical field of arch trolleys, and in particular to an arch trolley. Background Art

[0002] In the prior art arch trolley, three arms are often provided to realize the arch installation, so that the arch can be installed in the middle and on both sides. Each arm needs to rotate horizontally relative to the vehicle body, so an independent rotary cylinder is provided at the connection between the arm and the vehicle body, that is, the arm and the vehicle body are connected through the rotary cylinder, and the rotary cylinder is used to drive the arm to rotate.

[0003] However, since the drive assembly needs to be connected to the vehicle body and the arm at the same time, and it is also necessary to ensure that the drive arm rotates relative to the vehicle body, many connecting components will be added to strengthen the connection stability between the drive assembly and the arm and the vehicle body while considering the driving force and strength of the connection structure of the rotary cylinder, resulting in a decrease in the flatness of the vehicle body; and, the rotary cylinder in the prior art occupies a large space, and when it is set on the vehicle body, a larger opening is required, which occupies a larger space in the vehicle body, resulting in a larger overall weight of the trolley.

[0004] Therefore, the arch trolley in the prior art has further room for improvement. Utility Model Content

[0005] In view of this, in order to solve the technical problem that the arch gantry trolley in the above-mentioned prior art needs to independently set a rotating cylinder for each arm, which makes the structure of the whole vehicle larger, heavier and the flatness of the whole vehicle poor, the present application provides an arch gantry trolley, which is provided with a swing mechanism, the swing mechanism is connected to the vehicle body, the swing mechanism is connected to the rotating part of at least one arm to drive the arm to rotate, the swing mechanism occupies a small space, reduces the connection area between the swing mechanism and the vehicle body and arm, simplifies the connection, and improves the flatness of the whole vehicle.

[0006] The present application provides an arch trolley, comprising a vehicle body, an arm assembly and a swing mechanism, wherein the swing mechanism is arranged on the vehicle body;

[0007] The arm assembly is connected to the vehicle body, and the swing mechanism is used to drive the arm assembly to rotate;

[0008] The arm assembly includes at least two arms, at least one of which is connected to the swing mechanism, and at least one of which is rotatably connected to the vehicle body;

[0009] Wherein, the rotating part of the arm frame connected to the vehicle body is connected to the swing mechanism.

[0010] Compared with the prior art, the arch trolley of the present application is provided with a swing mechanism, the arm assembly is connected to the vehicle body, the swing mechanism is connected to the arm assembly, the arm assembly includes at least two arms, and each arm is connected to the swing mechanism, and the swing mechanism controls all the arms at the same time and can drive all the arms to rotate; wherein the swing mechanism is connected to the rotating part of at least one arm connected to the vehicle body for rotation, thereby simplifying the driving structure of all arms on the vehicle body, and there is no need to set a rotary cylinder for each arm to drive the arm to rotate, thereby making the driving structure of the arm on the trolley relatively simple, and there is no need to set up additional reinforcement components to strengthen the connection strength between the arm and the vehicle body and the swing mechanism. The swing mechanism occupies a small space, greatly improves the weight and flatness of the trolley, and can effectively control the production cost.

[0011] Preferably, the swing mechanism includes a fixing seat and a driving assembly, and the fixing seat is connected to the vehicle body;

[0012] One end of the driving assembly is connected to the fixing seat, and the other end is connected to the arm assembly. The driving assembly moves along a straight line to drive the arm assembly to rotate.

[0013] Preferably, the boom assembly includes a first boom, a second boom and a third boom, and the first boom, the second boom and the third boom are sequentially spaced apart along the width direction of the vehicle body;

[0014] Among them, the first arm, the second arm and the third arm are all provided with mechanical grippers.

[0015] Preferably, the drive assembly is divided into a first drive assembly, a second drive assembly and a third drive assembly;

[0016] The first driving assembly is connected to the first boom, the second driving assembly is connected to the second boom, and the third driving assembly is connected to the third boom.

[0017] Preferably, the rotating part includes a first rotating disk and a second rotating disk;

[0018] The first arm is rotatably connected to the vehicle body via a first turntable; the first drive assembly is connected to the first turntable to drive the first turntable to rotate;

[0019] The third arm is rotatably connected to the vehicle body via the second turntable; the third drive assembly is connected to the second turntable to drive the second turntable to rotate.

[0020] Preferably, a hinge seat is provided at the front end of the fixing seat, and the second arm is hinged to the fixing seat via the hinge seat;

[0021] The end of the first driving assembly away from the first boom is connected to the fixed seat, the end of the third driving assembly away from the third boom is connected to the fixed seat, and the end of the second driving assembly away from the second boom is connected to the fixed seat.

[0022] Preferably, a mounting position is provided on the second arm support, and the mounting position is used to install a hanging basket or a second working platform;

[0023] A second mechanical gripper and a swinging member are provided at the end of the second arm, one end of the swinging member is hinged to the second arm, and the other end is rotatably connected to the second mechanical gripper;

[0024] Wherein, a temporary hanging interface is provided on the second mechanical gripper.

[0025] Preferably, a first swing member and a second swing member are further provided at the end of the second arm, one end of the first swing member is connected to the second arm, and the other end is connected to the swing frame, and the first swing member is used to drive the swing frame to swing up and down relative to the second arm;

[0026] One end of the second swing member is connected to the swing frame, and the other end is connected to the mechanical gripper. The second swing member is used to drive the second mechanical gripper to swing left and right relative to the swing frame.

[0027] Preferably, the first arm end is provided with a first rotary assembly, a first working platform and a first mechanical gripper;

[0028] The end of the first rotary assembly away from the first arm is connected to the first working platform and the first mechanical gripper, and the first rotary assembly is used to drive the first working platform and the first mechanical gripper to rotate relative to the first arm.

[0029] Preferably, the third arm end is provided with a second rotary assembly, a third working platform and a third mechanical gripper;

[0030] The end of the second rotary assembly away from the third arm is connected to the third working platform and the third mechanical gripper, and the second rotary assembly is used to drive the third working platform and the third mechanical gripper to rotate relative to the third arm.

[0031] The arch trolley of the present application has at least the following technical effects:

[0032] 1. By providing a swing mechanism, the swing mechanism is connected to the vehicle body, and the swing mechanism is connected to the rotating part of at least one boom to drive the boom. Therefore, the boom assembly does not need to be connected to the vehicle body through a rotary cylinder, which reduces the complexity of the connection structure for driving the boom and simplifies the structure. Therefore, the connection structure between the boom assembly and the vehicle body is more stable and firm, which can reduce the volume of the vehicle body and reduce the manufacturing cost.

[0033] 2. By providing a rotating part, a fixed seat and a driving assembly, the rotating part is arranged between the arm and the vehicle body, the fixed seat is arranged on the vehicle body, and the driving assembly is connected between the rotating part and the fixed seat, so that the driving assembly can be moved back and forth in a straight line to realize the rotation of the arm, thereby reducing the cost of arm rotation;

[0034] 3. By setting mechanical grippers and working platforms on the boom, it is easy to install the arch frame and improve the working efficiency of the arch frame trolley;

[0035] 4. By setting up a slewing mechanism, the working platform can be rotated relative to the arm to adjust the mechanical gripper to a precise position and improve the accuracy of arch installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 This is a schematic diagram of the three-dimensional structure of the arch trolley provided in one embodiment of the present application;

[0037] Figure 2 This is a schematic diagram of the top view of the arch trolley provided in one embodiment of the present application;

[0038] Figure 3 is a structural schematic diagram of a second arm provided in one embodiment of the present application;

[0039] Figure 4 This is a schematic diagram of the partial structure of the first arm provided in one embodiment of the present application;

[0040] Figure 5 yes Figure 1 A magnified schematic diagram of a local area A;

[0041] Figure 6 yes Figure 2 A magnified schematic diagram of local B.

[0042] Reference numerals: 1, arch trolley;

[0043] 11. Vehicle body; 12. Cab; 13. Boom assembly; 14. Swing mechanism; 15. Rotation mechanism;

[0044] 111. First base; 112. Second base;

[0045] 1301, first boom; 1302, second boom; 1303, third boom; 1304, first working platform; 1305, third working platform; 1306, first mechanical gripper; 1307, second mechanical gripper; 1308, third mechanical gripper; 1309, first turntable; 1310, second turntable; 1311, swing frame; 1312, first swing member; 1313, second swing member; 1314, first support frame; 1315, second support frame;

[0046] 141. Fixed seat; 142. First drive assembly; 143. Second drive assembly; 144. Third drive assembly; 145. Articulated seat;

[0047] 151. First rotating assembly; 152. Second rotating assembly; 153. First rotating member; 154. First connecting seat; 155. Second connecting seat. DETAILED DESCRIPTION

[0048] In order to enable those skilled in the art to better understand the technical solutions of the present disclosure, the present disclosure is described in detail, clearly, and completely 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 disclosure and are not intended to limit the present disclosure.

[0049] In the description of this application, if there is a description of first or second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0050] Those skilled in the art should understand that, in the disclosure of this application, the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, which are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms cannot be understood as limiting this application.

[0051] The present application will be described in further detail below with reference to the accompanying drawings. Figures 1 to 6 illustrate.

[0052] The present application provides an arch trolley 1 for installing an arch; Figures 1 to 2As shown, it includes a vehicle body 11, a traveling mechanism, a cab 12, an arm assembly 13 and a swing mechanism 14; the traveling mechanism is arranged at the lower end of the vehicle body 11 to drive the arch trolley 1 to operate; the cab 12 is arranged on the vehicle body 11, and the arm assembly 13 and the swing mechanism 14 are connected to the front end of the vehicle body 11, that is, the arm assembly 13 and the swing mechanism 14 are arranged at the front end of the cab 12; wherein the arm assembly 13 is rotatably connected to the vehicle body 11, the swing mechanism 14 is connected to the vehicle body 11, and the swing mechanism 14 is connected to the arm assembly 13, thereby driving the arm assembly 13 to rotate relative to the vehicle body 11, so that the arm assembly 13 can be moved to an appropriate position to install the arch. ; The arm assembly 13 includes at least two arms, at least one arm is connected to the swing mechanism 14, and at least one arm is rotatably connected to the car body 11; wherein, the rotating part of the arm rotatably connected to the car body 11 is connected to the swing mechanism 14, thereby simplifying the driving structure of all arms on the car body 11, and there is no need to set a rotary cylinder for each arm to drive the arm to rotate, so that the driving structure of the arm on the trolley is relatively simple, and there is no need to set up additional reinforcement components to strengthen the connection strength between the arm and the car body 11 and the swing mechanism 14. The swing mechanism 14 occupies a small space, greatly improves the weight and flatness of the trolley, and can effectively control the production cost.

[0053] Specifically, such as Figures 1 to 2 As shown, the boom assembly 13 includes a first boom 1301, a second boom 1302 and a third boom 1303. The first boom 1301, the second boom 1302 and the third boom 1303 are arranged in sequence along the width direction of the vehicle body 11. In addition, the first boom 1301, the second boom 1302 and the third boom 1303 are all provided with mechanical grippers, which can be used to install the arch frame in a large range. The second boom 1302 is the middle boom, and the first boom 1301 and the third boom 1303 are located at the second boom 1301. 02 on the left and right sides, to achieve full-range installation of the middle and left and right arch frames; wherein, in the present application, the structure of the first boom 1301 is the same as that of the third boom 1303; the connection ends of the first boom 1301 and the third boom 1303 with the vehicle body 11 are further back than the second boom 1302, and the connection parts of the first boom 1301, the second boom 1302, the third boom 1303 and the vehicle body 11 form a triangular structure, and the front end of the second boom 1302 protrudes from the first boom 1301 and the third boom 1303.

[0054] In the present application, by setting a rotating part, the driving structure of the swing mechanism 14 for the arm is simpler. With the cooperation of the rotating part, the swing mechanism 14 only needs to expend a small force to drive the arm to move. Moreover, the rotating part occupies a small space on the vehicle body 11, does not require an opening on the vehicle body 11, can be directly welded to the vehicle body 11, and does not require the use of other reinforcing structures to increase the connection strength with the arm, and reduces the manufacturing difficulty; at the same time, when the trolley is manufactured, the swing mechanism 14 and the rotating part can be set separately and synchronously, shortening the manufacturing time; in addition, the overall weight of the rotating part is low, and through reasonable layout, the weight of the entire vehicle and the manufacturing cost can be reduced.

[0055] Furthermore, the swing mechanism 14 is further described; Figures 1 to 2 、 Figure 5 As shown, the swing mechanism 14 includes a fixed base 141 and a drive assembly. The fixed base 141 is connected to the front end of the cab 12 and is located at the rear end of the second boom 1302 and between the first boom 1301 and the third boom 1303. The drive assembly is a linear drive type and is used to drive the first boom 1301, the second boom 1302, and the third boom 1303 to rotate on a horizontal plane. Specifically, the drive assembly is divided into a first drive assembly 142, a second drive assembly 143, and a third drive assembly 144.

[0056] One end of the first driving assembly 142 is connected to the rear end of the fixing base 141 near the first arm 1301, and the other end is hinged to the first support frame 1314 of the first base 111. The first driving assembly 142 is used to drive the first arm 1301 to rotate;

[0057] One end of the second driving assembly 143 is connected to the front end of the fixing base 141, and the other end is hinged to the second support frame 1315 of the second base 112. The second driving assembly 143 is used to drive the second arm 1302 to rotate;

[0058] One end of the third driving assembly 144 is connected to the rear end of the fixing base 141 close to the third arm 1303, and the other end is connected to the third arm 1303. The third driving assembly 144 is used to drive the third arm 1303 to rotate;

[0059] That is, in this embodiment, the fixing seat 141 is fixed on the vehicle body 11 and is located at the center of the three arms. The three driving components extend toward the three arms respectively and are connected to the arms, thereby realizing the driving of the three arms. Figure 6As shown, a hinge seat 145 is provided at the front end of the fixed seat 141, and the rear end of the second arm 1302 is hinged to the vehicle body 11 through the hinge seat 145, that is, the second arm 1302 is directly hinged to the fixed seat 141; one end of the second drive component 143 is connected to the side of the front end of the fixed seat 141, and the other end is connected to the side of the second arm 1302. When the second drive component 143 performs reciprocating linear motion, it directly pulls the second arm 1302 to rotate on the horizontal plane.

[0060] Further, such as Figure 5 、 Figure 6 As shown, the vehicle body 11 is provided with a first base 111 and a second base 112, which are symmetrically arranged on both sides of the fixed base 141, and the bottoms of the first base 111 and the second base 112 are fixedly connected to the vehicle body 11; the rotating part includes a first turntable 1309 and a second turntable 1310, the bottom of the first turntable 1309 is rotatably connected to the first base 111, the top of the first turntable 1309 is connected to the first arm 1301, and the first drive assembly 1 42 is connected to the first turntable 1309 to drive the first turntable 1309 to rotate, thereby driving the first arm 1301 to rotate relative to the vehicle body 11; similarly, the bottom of the second turntable 1310 is rotatably connected to the second base 112, the top of the second turntable 1310 is connected to the third arm 1303, and the third driving assembly 144 is connected to the second turntable 1310 to drive the second turntable 1310 to rotate, thereby driving the third arm 1303 to rotate relative to the vehicle body 11.

[0061] Furthermore, a first support frame 1314 is provided on the top of the first turntable 1309 in a vertical direction. The top of the first support frame 1314 is connected to the first arm 1301, and the bottom of the first support frame 1314 is fixedly connected to the first turntable 1309. The first support frame 1314 can raise the first arm 1301 to avoid interference with the vehicle body 11 when the first arm 1301 moves; the end of the first drive assembly 142 away from the fixed seat 141 is hinged to the side end of the first support frame 1314, and the first drive assembly 142 can drive the first support frame 1314 to drive the first turntable 1309 to rotate, thereby driving the first arm 1301 to rotate.

[0062] Similarly, a second support frame 1315 is provided on the top of the second turntable 1310 in a vertical direction. The top of the second support frame 1315 is connected to the third arm 1303, and the bottom of the second support frame 1315 is fixedly connected to the second turntable 1310. The second support frame 1315 can raise the third arm 1303 to avoid interference with the vehicle body 11 when the third arm 1303 moves; the end of the third drive assembly 144 away from the fixed seat 141 is hinged to the side end of the third support frame, and the third drive assembly 144 can drive the second support frame 1315 to drive the second turntable 1310 to rotate, thereby driving the third arm 1303 to rotate.

[0063] Furthermore, the angle between the first drive assembly 142 and the third drive assembly 144 is an acute angle, that is, the distance between the first arm 1301 and the third arm 1303 is small, and the distance between the two and the fixed seat 141 is also small, that is, the swing mechanism 14 utilizes the effective space arrangement, which can efficiently save the setting space, reduce the overall volume of the vehicle body 11, and save production costs.

[0064] Based on any of the above embodiments, the arm assembly 13 is further described; Figures 1 to 4 As shown, an installation station is provided on the second boom 1302, and the installation station can be provided to the installation station of the hanging basket or the second working platform, so that the second boom 1302 can temporarily install the hanging basket or the second working platform to meet more work requirements.

[0065] Among them, Figure 3 As shown, a second mechanical gripper 1307 and a swing frame 1311 are provided at the end of the second arm 1302. One end of the swing frame 1311 is hinged to the second arm 1302, and the other end is rotatably connected to the mechanical gripper, that is, the second mechanical gripper 1307 is connected to the second arm 1302 through the swing frame 1311; in this embodiment, a temporary hanging interface is provided on the second mechanical gripper 1307 for installing accessory equipment such as a hanging basket.

[0066] Specifically, such as Figure 3 As shown, the end of the second arm 1302 is further provided with a first swing member 1312 and a second swing member 1313. One end of the first swing member 1312 is connected to the second arm 1302, and the other end is connected to the swing frame 1311. The first swing member 1312 is a swing cylinder, and is used to drive the swing frame 1311 to swing up and down relative to the second arm 1302. The second swing member 1313 is connected to the swing frame 1311 at one end, and is connected to the mechanical gripper at the other end. The second swing member 1313 is a swing cylinder, and is used to drive the second mechanical gripper 1307 to swing left and right relative to the swing frame 1311. Under the combined action of the first swing member 1312 and the second swing member 1313, the second mechanical gripper 1307 can be moved in the vertical and horizontal directions, thereby improving the operational flexibility of the second arm 1302.

[0067] In another optional embodiment of the present application, the arch trolley 1 of the present application also includes a slewing mechanism 15, one end of the slewing mechanism 15 is connected to the arm, and the other end is connected to the working platform or mechanical gripper. The slewing mechanism 15 is used to drive the working platform or mechanical gripper to rotate relative to the arm.

[0068] The rotary mechanism 15 includes a first rotary component 151 and a second rotary component 152; Figure 4As shown, the end of the first arm 1301 is provided with a first rotating assembly 151, a first working platform 1304 and a first mechanical gripper 1306; the first rotating assembly 151 includes a first rotating part 153, a first connecting seat 154 and a second connecting seat 155; wherein the first rotating part 153 is a rotary oil cylinder, the first connecting seat 154 is an L-shaped structure, one end of the first connecting seat 154 is connected to the front end of the first arm 1301, the upper part of the other end of the first connecting seat 154 is connected to the first rotating part 153, the bottom of the second connecting seat 155 is connected to the upper end of the first rotating part 153, and the top of the second connecting seat 155 is connected to the second rotating part 153 at the same time. A working platform 1304 and a first mechanical gripper 1306 are connected; when the first rotating part 153 rotates, it can drive the first working platform 1304 and the first mechanical gripper 1306 to rotate relative to the first connecting seat 154, and the center of rotation is the first rotating part 153; in this embodiment, the first connecting seat 154 is arranged at the lower end of the first arm 1301, and the first connecting seat 154 extends beyond the front end of the arm in the extension direction of the first arm 1301, so that there is a distance between the first working platform 1304 and the front end of the first arm 1301, thereby avoiding interference between the first working platform 1304 and the front end of the first arm 1301.

[0069] The end of the third boom 1303 is provided with a second rotary assembly 152, a third work platform 1305, and a third mechanical gripper 1308. The end of the second rotary assembly 152, away from the third boom 1303, is connected to the third work platform 1305 and the third mechanical gripper 1308. The second rotary assembly 152 is used to drive the third work platform 1305 and the third mechanical gripper 1308 to rotate relative to the third boom 1303. The connection structure between the second rotary assembly 152, the third work platform 1305, and the third mechanical gripper 1308 is identical to the structure and operating principles of the first boom 1301 and the first rotary assembly 151 in the above-described embodiment, and is not further described here.

[0070] It should be noted that, in actual use, the second boom 1302 may also be provided with a second working platform to form three booms, three grippers and three working platforms; or, among the three booms, a working platform may be installed on only one boom. The specific number of working platforms to be installed may be selected according to actual conditions and will not be elaborated here.

[0071] It should be noted that the various embodiments of the present application can be arbitrarily combined into new embodiments if the solutions do not conflict and the technical solutions can coexist.

[0072] The present application has been described in detail above. Specific examples have been used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is intended only to facilitate understanding of the present application and its core concepts. It should be noted that, without departing from the principles of the present application, a number of improvements and modifications may be made to the present application by a person skilled in the art, and such improvements and modifications shall fall within the scope of protection of the claims of the present application.

Claims

1. An arch trolley, characterized in that: It comprises a vehicle body (11), an arm assembly (13) and a swing mechanism (14), wherein the swing mechanism (14) is arranged on the vehicle body (11); The arm assembly (13) is connected to the vehicle body (11), and the swing mechanism (14) is used to drive the arm assembly (13) to rotate; The arm assembly (13) includes at least two arms, at least one of which is connected to the swing mechanism (14), and at least one of which is rotatably connected to the vehicle body (11); The rotating part of the arm frame rotatably connected to the vehicle body (11) is connected to the swing mechanism (14).

2. The arch trolley according to claim 1, characterized in that: The swing mechanism (14) includes a fixing seat (141) and a driving assembly, and the fixing seat (141) is connected to the vehicle body (11); One end of the driving component is connected to the fixing seat (141), and the other end is connected to the arm support component (13). The driving component moves along a straight line to drive the arm support component (13) to rotate.

3. The arch trolley according to claim 2, characterized in that: The arm assembly (13) includes a first arm (1301), a second arm (1302), and a third arm (1303), wherein the first arm (1301), the second arm (1302), and the third arm (1303) are sequentially arranged at intervals along the width direction of the vehicle body (11); Wherein, the first arm (1301), the second arm (1302) and the third arm (1303) are all provided with mechanical grippers.

4. The arch trolley according to claim 3, characterized in that: The drive assembly is divided into a first drive assembly (142), a second drive assembly (143) and a third drive assembly (144); The first driving assembly (142) is connected to the first arm (1301), the second driving assembly (143) is connected to the second arm (1302), and the third driving assembly (144) is connected to the third arm (1303).

5. The arch trolley according to claim 4, characterized in that: The rotating part includes a first rotating disk (1309) and a second rotating disk (1310); The first arm (1301) is rotatably connected to the vehicle body (11) via a first turntable (1309); the first driving assembly (142) is connected to the first turntable (1309) to drive the first turntable (1309) to rotate; The third arm (1303) is rotatably connected to the vehicle body (11) via the second turntable (1310); the third driving assembly (144) is connected to the second turntable (1310) to drive the second turntable (1310) to rotate.

6. The arch trolley according to claim 4, characterized in that: A hinge seat (145) is provided at the front end of the fixing seat (141), and the second arm (1302) is hinged to the fixing seat (141) via the hinge seat (145); The end of the first driving component (142) away from the first arm (1301) is connected to the fixed seat (141), the end of the third driving component (144) away from the third arm (1303) is connected to the fixed seat (141), and the end of the second driving component (143) away from the second arm (1302) is connected to the fixed seat (141).

7. The arch trolley according to claim 3, characterized in that: The second arm (1302) is provided with a mounting position for mounting a hanging basket or a second working platform; A second mechanical gripper (1307) and a swing frame (1311) are provided at the end of the second arm (1302); one end of the swing frame (1311) is hinged to the second arm (1302), and the other end is rotatably connected to the second mechanical gripper (1307); Wherein, a temporary hanging interface is provided on the second mechanical gripper (1307).

8. The arch trolley according to claim 7, characterized in that: A first swinging member (1312) and a second swinging member (1313) are further provided at the end of the second arm (1302); one end of the first swinging member (1312) is connected to the second arm (1302), and the other end is connected to the swinging frame (1311); the first swinging member (1312) is used to drive the swinging frame (1311) to swing up and down relative to the second arm (1302); One end of the second swing member (1313) is connected to the swing frame (1311), and the other end is connected to the mechanical gripper. The second swing member (1313) is used to drive the second mechanical gripper (1307) to swing left and right relative to the swing frame (1311).

9. The arch trolley according to claim 3, characterized in that: The end of the first arm (1301) is provided with a first rotating assembly (151), a first working platform (1304) and a first mechanical gripper (1306); The end of the first rotating component (151) away from the first arm (1301) is connected to the first working platform (1304) and the first mechanical gripper (1306), and the first rotating component (151) is used to drive the first working platform (1304) and the first mechanical gripper (1306) to rotate relative to the first arm (1301).

10. The arch trolley according to claim 3, characterized in that: The end of the third arm (1303) is provided with a second rotary assembly (152), a third working platform (1305) and a third mechanical gripper (1308); The end of the second rotating component (152) away from the third arm (1303) is connected to the third working platform (1305) and the third mechanical gripper (1308), and the second rotating component (152) is used to drive the third working platform (1305) and the third mechanical gripper (1308) to rotate relative to the third arm (1303).

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