Lifting trolley

Abstract

The utility model provides a lifting trolley which comprises a trolley frame, a lifting device and a lifting device. The support frame is arranged on one side of the frame; the support frame is slidably connected with the frame; the lifting mechanism is arranged in the accommodating space; the lifting mechanism comprises a liftable telescopic rod, and the telescopic rod is arranged below the supporting frame and can drive the supporting frame to ascend and descend; the side, away from the frame, of the supporting frame is provided with a supporting space used for supporting a to-be-lifted structure, so that the to-be-lifted structure can be lifted along with the supporting frame. The to-be-lifted structure is supported through the supporting frame, the supporting frame and the to-be-lifted structure located on the supporting frame are driven to ascend and descend through the lifting mechanism, the to-be-lifted structure can be lifted to the designated welding position, and welding is convenient. By using the lifting trolley, the using amount of lifting lug materials and the welding and cutting amount are reduced, the welding time is shortened, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a lifting trolley. Background Art

[0002] In the shipbuilding or heavy equipment manufacturing industry, during the construction process, the segmented modules are placed on the horse legs on the ground, about 1.7 meters from the ground, and some vertical steel plates, railings, lugs and other components need to be welded to the bottom of the segmented modules.

[0003] A single steel plate or railing weighs approximately 0.5 to 2 tons, making manual lifting and welding impossible. Typically, small lugs are welded to the bottom outer plate of the segment to suspend a hand chain hoist. The hoist then pulls the component to the welding position. After welding is complete, the small lugs are cut off. However, this method involves many steps and is inefficient. Utility Model Content

[0004] The purpose of the utility model is to provide a lifting trolley to solve the technical problems in the prior art.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: a lifting trolley, comprising:

[0006] a frame having an accommodating space therein;

[0007] A support frame is provided on one side of the vehicle frame; the support frame is slidably connected to the vehicle frame;

[0008] A lifting mechanism is provided in the accommodating space; the lifting mechanism includes a telescopic rod that can be lifted and lowered, and the telescopic rod is provided below the support frame and can drive the support frame to lift and lower;

[0009] Wherein, a supporting space is provided on a side of the support frame away from the vehicle frame for supporting the structure to be lifted, so that the structure to be lifted can be lifted along with the support frame.

[0010] In one embodiment, the support frame includes a support frame and a connecting frame, the connecting frame is located above the telescopic rod and can abut against the telescopic rod, the connecting frame is slidably connected to the frame, the support frame extends outward from the frame, and the support space is set on the support frame.

[0011] In one embodiment, slide grooves are provided at opposite ends of the connecting frame, and the vehicle frame includes a bottom frame and columns erected on the bottom frame. The columns close to the connecting frame are located in the slide grooves, thereby realizing a slidable connection between the connecting frame and the vehicle frame.

[0012] In one embodiment, the connecting frame includes two horizontal braces arranged in parallel and spaced apart and a connecting beam connecting the two horizontal braces, the connecting beam extends vertically, and connecting parts are provided at opposite ends of the horizontal brace, the connecting parts include a first plate body and a second plate body that are perpendicular to each other, and a first folded edge and a second folded edge, the first folded edge is arranged at the end of the first plate body away from the second plate body and is perpendicular to the first plate body, the second folded edge is arranged at the end of the second plate body away from the first plate body and is perpendicular to the second plate body, the first plate body, the second plate body, the first folded edge and the second folded edge form the slide groove.

[0013] In one embodiment, the support frame includes two support assemblies arranged in parallel and spaced apart, the support assemblies including a top support beam and a bottom support beam spaced below the top support beam, the bottom support beam extends outwardly beyond the top support beam in a direction away from the frame, a stop block is provided at the end of the bottom support beam, and the stop blocks of the two support assemblies, the bottom support beam and the outer ends of the top support beam form the support space.

[0014] In one embodiment, two limit blocks are spaced apart on the top of the top support beam, and the two limit blocks and the top support beam together form a limit groove with a top opening;

[0015] The support assembly also includes a vertical support connecting the top support beam and the bottom support beam, and the vertical support is connected to the connecting frame. The support assembly also includes a diagonal support connecting the top support beam and the bottom support beam, and the diagonal support is connected to the vertical support.

[0016] In one embodiment, the lifting mechanism includes:

[0017] A hydraulic jack is disposed in the accommodating space; the hydraulic jack has the telescopic rod;

[0018] an armrest, which is provided on the other side of the frame away from the support frame;

[0019] A connecting rod connects the hydraulic jack and the handrail.

[0020] In one embodiment, the connecting rod includes a first connecting rod extending vertically and a second connecting rod extending horizontally, the bottom end of the first connecting rod is connected to the hydraulic jack, the top end of the first connecting rod is connected to the second connecting rod, the middle part of the second connecting rod is connected to the first connecting rod, and the opposite ends of the second connecting rod are connected to the handrail;

[0021] The armrest extends outwardly from the vehicle frame in a direction away from the support frame.

[0022] In one embodiment, the lifting trolley includes a counterweight block arranged in the accommodating space, and the counterweight block is arranged on a side of the frame away from the support frame.

[0023] In one embodiment, the frame has an inclined surface that slopes outward from top to bottom on a side away from the support frame;

[0024] The bottom of the frame is provided with a walking mechanism;

[0025] The support frame is detachably connected to the vehicle frame.

[0026] It can be seen from the above technical solution that the present invention has at least the following advantages and positive effects:

[0027] The lifting trolley of this utility model comprises a frame, a support frame, and a lifting mechanism. The support frame supports the structure to be lifted, and the lifting mechanism drives the support frame and the structure to be lifted located on the support frame up and down, allowing the structure to be lifted to the designated welding position for convenient welding. Using this lifting trolley reduces the use of lifting lug materials, the amount of welding and cutting, shortens welding time, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the lifting trolley in the utility model.

[0029] Figure 2 It is a main schematic view of the lifting trolley in the utility model.

[0030] Figure 3 It is a top view schematic diagram of the lifting trolley in the utility model.

[0031] Figure 4 It is a side view schematic diagram of the lifting trolley in the utility model.

[0032] Figure 5 yes Figure 1 Schematic diagram of the structure of the lifting trolley's support frame rising.

[0033] Figure 6 It is a schematic diagram of the partial structure of the lifting trolley in the utility model.

[0034] Figure 7 yes Figure 6 Schematic side view of .

[0035] Figure 8 It is a structural diagram of the support frame in the utility model.

[0036] Figure 9 It is a main schematic view of the support frame in the utility model.

[0037] Figure 10It is a top view schematic diagram of the support frame in the utility model.

[0038] Figure 11 It is a side view schematic diagram of the support frame in the utility model.

[0039] The following are the descriptions of the reference numerals:

[0040] 1. Lifting trolley; 11. Frame; 111. Underframe; 112. Upright; 113. Inclined beam; 114. Top beam; 115. Bottom beam; 12. Support frame; 121. Connecting frame; 1211. Cross brace; 1212. Connecting beam; 1213. Connecting piece; 1216. First plate; 1217. Second plate; 1218. First folding edge; 1219. Second folding edge; 122. Support frame; 1221. Top support beam; 1222. Bottom support beam; 1223. Vertical support; 1224. Diagonal support; 1225. Block; 1226. Limit block; 13. Lifting mechanism; 131. Hydraulic jack; 1311. Telescopic rod; 132. Connecting rod; 1321. First connecting rod; 1322. Second connecting rod; 1323. Transition piece; 133. Handrail; 14. Universal wheel; 15. Counterweight. DETAILED DESCRIPTION

[0041] Although the present invention can be easily embodied as embodiments of different forms, only some of the specific embodiments are shown in the drawings and will be described in detail in this specification. It should be understood that this description should be regarded as an exemplary illustration of the principles of the present invention and is not intended to limit the present invention to that described herein.

[0042] Thus, a feature indicated in this specification is intended to illustrate one of the features of one embodiment of the present invention, rather than implying that every embodiment of the present invention must have the described feature. Furthermore, it should be noted that this specification describes many features. Although certain features can be combined together to illustrate possible system designs, these features can also be used in other, not explicitly described, combinations. Thus, unless otherwise noted, the described combinations are not intended to be limiting.

[0043] In the embodiments shown in the accompanying drawings, directional indications (such as up, down, left, right, front, and back) used to explain the structure and movement of various components of the present invention are not absolute but relative. These descriptions are applicable when these components are in the positions shown in the accompanying drawings. If the descriptions of the positions of these components are changed, these directional indications will also change accordingly.

[0044] The utility model provides a lifting trolley, which is used for lifting a structure to be lifted, so that the structure to be lifted is lifted and is convenient for welding to another structural member with a height.

[0045] The lifting trolley can lift the structure to be lifted to a curved or flat surface more than 1.7 meters above the ground to facilitate welding.

[0046] The lifting trolley is particularly suitable for lifting steel plates, railings and lifting lugs waiting for lifting structures.

[0047] Figure 1 Shows the structural diagram of the lifting trolley. Figure 2 This is the main view of the lifting trolley. Figure 3 This is a top view of the lifting trolley. Figure 4 This is a side view of the lifting trolley. Figure 5 This is a schematic diagram of the structure of the lifting trolley support frame. Figure 1-Figure 5 The lifting trolley 1 includes a frame 11, a support frame 12, and a lifting mechanism 13. The support frame 12 has a support space for supporting the structure to be lifted. The lifting mechanism 13 is arranged in the frame 11 and can be raised and lowered to drive the support frame 12 up and down, and then drive the structure to be lifted up and down, thereby achieving lifting.

[0048] See Figure 6 and Figure 7 The frame 11 has a storage space. Specifically, the frame 11 includes a bottom frame, columns 112 erected on the bottom frame, an inclined beam 113, a top beam 114, and a bottom beam 115. The columns 112 include long columns 112 and short columns 112. The long columns 112 and the short columns 112 are spaced apart. The inclined beam 113 connects the long columns 112 and the short columns 112. The top beam 114 connects the tops of the long columns 112, and the bottom beam 115 connects the tops of the short columns 112. The bottom beam 115 and the top beam 114 are spaced apart and parallel to each other.

[0049] The design of the two oblique beams 113 provides the frame 11 with an inclined surface that tilts outward from top to bottom on the side away from the support frame 12. This inclined surface not only makes the frame 11 smaller in size, but also reduces the consumables for making the frame 11.

[0050] In this embodiment, the base frame is square. There are two long columns 112 and two short columns 112, located at the four corners of the base frame. There are two inclined beams 113, spaced parallel to each other. The base frame, one long column 112, one short column 112, and one inclined beam 113 together form a trapezoidal structure.

[0051] For the convenience of description, it is defined that the long columns 112 and the short columns 112 are arranged at intervals in the longitudinal direction, and the long columns 112 are arranged at intervals in the transverse direction.

[0052] The bottom frame includes two longitudinal beams and two transverse beams. The longitudinal beams extend longitudinally, and the transverse beams extend transversely. The two longitudinal beams and the two transverse beams together form a square frame. At least one reinforcing beam parallel to the transverse beams is provided between the longitudinal beams.

[0053] Preferably, the columns 112 further include a reinforcement column 112 erected on the bottom frame, and the reinforcement column 112 is located between the long column 112 and the short column 112. The reinforcement column 112 is provided corresponding to the reinforcement beam.

[0054] A reinforcing beam is connected between the two oblique beams 113 , and the reinforcing beam corresponds to the arrangement of the reinforcing columns 112 .

[0055] A reinforcing rib is provided between the reinforcing column 112 and the oblique beam 113, and the reinforcing rib extends in the longitudinal direction. A plurality of reinforcing ribs are provided between the reinforcing column 112 and the oblique beam 113, and the plurality of reinforcing ribs are arranged at intervals in the vertical direction.

[0056] The bottom of the frame 11 has a running mechanism that enables the entire lifting trolley 1 to travel. Specifically, the running mechanism includes universal wheels 14 spaced apart at the bottom of the frame 11. The universal wheels 14 enable the lifting trolley 1 to move in any direction, allowing it to be moved to a desired location. The universal wheels 14 preferably have floor brakes to prevent them from moving during the lifting process, ensuring safety during the lifting process.

[0057] In this embodiment, universal wheels 14 are provided at the four corners of the vehicle frame 11 .

[0058] See Figures 8-11 The support frame 12 is provided on one side of the vehicle frame 11. The support frame 12 is slidably connected to the vehicle frame 11. A support space is provided on the side of the support frame 12 away from the vehicle frame 11 for supporting the structure to be lifted.

[0059] The support frame 12 is arranged on one side of the long column 112 of the frame 11. The lateral sides of the support frame 12 are respectively slidably connected to the two long columns 112 to achieve a slidable connection between the support frame 12 and the frame 11.

[0060] Specifically, the support frame 12 includes a support frame 122 and a connecting frame 121. The connecting frame 121 is located above the telescopic rod 1311 of the lifting mechanism 13 and is capable of abutting against the telescopic rod 1311. The connecting frame 121 is slidably connected to the vehicle frame 11. In this embodiment, the connecting frame 121 is located within the space defined by the two long columns 112.

[0061] The connecting frame 121 is provided with a slide groove at opposite ends thereof, and the upright posts 112 close to the connecting frame 121 are located in the slide groove, thereby realizing a slidable connection between the connecting frame 121 and the vehicle frame 11. That is, the long upright posts 112 of the vehicle frame 11 are located in the slide groove.

[0062] The connecting frame 121 includes two parallel and spaced horizontal braces 1211 and a connecting beam 1212 connecting the two horizontal braces 1211. The connecting beam 1212 extends vertically. The connecting beam 1212 extends outward from opposite ends of each horizontal brace 1211. Connecting members 1213 are provided at opposite ends of the horizontal braces 1211.

[0063] The connector 1213 includes a first plate 1216 and a second plate 1217 that are perpendicular to each other, as well as a first folded edge 1218 and a second folded edge 1219. The first folded edge 1218 is disposed at an end of the first plate 1216 away from the second plate 1217 and is perpendicular to the first plate 1216. The second folded edge 1219 is disposed at an end of the second plate 1217 away from the first plate 1216 and is perpendicular to the second plate 1217. The first plate 1216, the second plate 1217, the first folded edge 1218, and the second folded edge 1219 form a sliding groove.

[0064] The distance between the first fold 1218 and the first plate 1216 can be set according to actual needs, and the distance between the second fold 1219 and the second plate 1217 can be set according to actual needs. The first fold 1218 and the second fold 1219 can also be extended to connect them, in which case the outer contour of the chute is square.

[0065] The connecting member 1213 is preferably also detachably connected to the vehicle frame 11, so that the support frame 12 is detachably connected to the vehicle frame 11. Specifically, when the first folded edge 1218 is smaller along the distance from the first plate 1216 and the second folded edge 1219 is smaller along the distance from the second plate 1217, the connecting frame 121 can be tilted at the top of the vehicle frame 11, so that the connecting member 1213 is sleeved around the outer periphery of the long column 112, thereby achieving a detachable connection. When the first folded edge 1218 is larger along the distance from the first plate 1216 and the second folded edge 1219 is larger along the distance from the second plate 1217, or even when the first folded edge 1218 and the second folded edge 1219 are connected, the top beam 114 of the vehicle frame 11 is detachably connected to the two long columns 112. By sleeved downwardly from the top of the long columns 112, the long columns 112 are positioned correspondingly within the slide grooves, thereby achieving a detachable connection between the connecting frame 121 and the vehicle frame 11.

[0066] The support frame 122 is connected to the connecting frame 121 and extends outward from the vehicle frame 11. The support space is set on the support frame 122. Specifically, the support frame 122 includes two support components arranged in parallel and spaced apart. In this embodiment, the two support components are arranged in a horizontal direction and spaced apart.

[0067] The support assembly includes a top support beam 1221 and a bottom support beam 1222 spaced below the top support beam 1221. The support assembly also includes a vertical support 1223 connecting the top support beam 1221 and the bottom support beam 1222. The vertical support 1223 is connected to the connecting frame 121. The vertical support 1223 is perpendicular to the top support beam 1221 and also perpendicular to the bottom support beam 1222. The support assembly includes two vertical supports 1223 spaced apart in parallel, the two vertical supports 1223 being a first vertical support 1223 and a second vertical support 1223, respectively. The first vertical support 1223 connects the ends of the top support beam 1221 and the bottom support beam 1222 and is close to the connecting frame 121. The second vertical support 1223 faces away from the connecting frame 121. The top support beam 1221, the bottom support beam 1222 and the two vertical supports 1223 form a support assembly in the form of a frame.

[0068] The vertical supports 1223 of the two support assemblies close to the connecting frame 121 are connected to the two connecting beams 1212 of the connecting frame 121 in a one-to-one correspondence, thereby achieving a fixed connection between the support frame 122 and the connecting frame 121. That is, the two first vertical supports 1223 are closely connected to the two connecting beams 1212.

[0069] The support assembly further includes an oblique brace 1224 connecting the top support beam 1221 and the bottom support beam 1222 . The oblique brace 1224 is also connected to the vertical brace 1223 to increase the strength of the support assembly.

[0070] The bottom support beam 1222 extends outward from the top support beam 1221 in a direction away from the vehicle frame 11. A stopper 1225 is provided at the end of the bottom support beam 1222. The stopper 1225 of the two support assemblies, the bottom support beam 1222, and the outer ends of the top support beam 1221 form a support space. For example, a structure to be lifted (such as a steel plate or a railing) with a square cross-section is placed in the support space in a preset arrangement. At this time, the lower end of the structure to be lifted abuts against the stopper 1225 on the side away from the vehicle frame 11, and the upper end of the structure to be lifted abuts against the end of the top support beam 1221 on the side close to the vehicle frame 11, thereby confining the structure to be lifted within the support space. The preset arrangement refers to the arrangement method when the structure to be lifted is welded to another structural member.

[0071] Preferably, the distance between the baffle and the end of the top support beam 1221 can be just adapted to the thickness of the steel plate or railing.

[0072] The stopper 1225 on the bottom support beam 1222 is preferably also slidably connected to the bottom support beam 1222 to move closer to or away from the connection frame 121, thereby adjusting the size of the support space. The stopper 1225 and the bottom support beam 1222 are also provided with a locking member, that is, after the stopper 1225 moves to the desired position, the locking member locks the stopper 1225 and the bottom support beam 1222.

[0073] Two limit blocks 1226 are spaced apart at the top of the top support beam 1221. The two limit blocks 1226 and the top support beam 1221 together form a limit groove with an open top. This limit groove can accommodate the beam structure of the railing. For example, the lower end of the railing is supported on the bottom support beam 1222, and the top is located in the limit groove. Therefore, during the movement of the lifting trolley 1 and the lifting and lowering of the support frame 12, the movement of the railing is restricted by the limit blocks 1226 and the stop block 1225, ensuring the safety of transportation and lifting.

[0074] The lifting mechanism 13 is disposed in the accommodating space and includes a telescopic rod 1311 that can be lifted and lowered. The telescopic rod 1311 is disposed below the support frame 12 and can drive the support frame 12 to lift and lower.

[0075] Specifically, the lifting mechanism 13 includes a hydraulic jack 131 , an armrest 133 and a connecting rod 132 .

[0076] The hydraulic jack 131 is disposed in the accommodating space. Specifically, the hydraulic jack 131 is disposed on the base frame 111 .

[0077] The hydraulic jack 131 includes a telescopic rod 1311. The fixed end of the telescopic rod 1311 is fixed to the base frame 111. The telescopic end of the telescopic rod 1311 is located at the bottom of the connecting frame 121, and is used to lift and lower the connecting frame 121. In this embodiment, the telescopic rod 1311 and the two long columns 112 are located in the same horizontal direction.

[0078] The armrest 133 is arranged on the other side of the frame 11 away from the support frame 12. The armrest 133 is arranged on the side where the short column 112 is located. That is, the armrest 133 and the support frame 12 are arranged on opposite sides of the frame 11.

[0079] The armrest 133 is located in the space defined by the two oblique beams 113 and extends outward from the vehicle frame 11 in a direction away from the support frame 12 .

[0080] The connecting rod 132 connects the hydraulic jack 131 and the handrail 133. The connecting rod 132 is located in the accommodating space. Figure 7 Connecting rod 132 includes a vertically extending first connecting rod 1321 and a horizontally extending second connecting rod 1322. The bottom end of first connecting rod 1321 is connected to hydraulic jack 131, and the top end of first connecting rod 1321 is connected to second connecting rod 1322. Second connecting rod 1322 extends laterally. The middle portion of second connecting rod 1322 is connected to first connecting rod 1321. The opposite ends of second connecting rod 1322 are connected to handrail 133.

[0081] The armrest 133 and the second connecting rod 1322 are connected by a transition piece 1323. The transition piece 1323 is arranged below the armrest 133 and is fixedly connected to the armrest 133. A through hole is opened on the transition piece 1323, and the second connecting rod 1322 is passed through the through hole and fixedly connected to the transition piece 1323.

[0082] The end portion of the armrest 133 located outside the vehicle frame 11 is defined as a first end, and the connection portion between the armrest 133 and the second connecting rod 1322 is defined as a second end. When the first end descends, the second end rises.

[0083] To use the lifting mechanism 13: The operator holds the handrail 133, which extends from the vehicle frame 11, and presses downward, causing the first end of the handrail 133 to descend, driving the second end upward. This in turn causes the connecting rod 132 to rise, raising the telescopic rod 1311 of the hydraulic jack 131. The operator then releases the handrail 133 and presses it downward again. This pressing and releasing process repeats until the telescopic rod 1311 reaches the desired height.

[0084] The operator holds the handrail 133 and can push or pull the handrail 133 in the horizontal direction to drive the entire lifting trolley 1 to move.

[0085] The lifting trolley 1 includes a counterweight 15 disposed within the accommodating space. The counterweight 15 is positioned on the side of the vehicle frame 11 away from the support frame 122. Specifically, the counterweight 15 is mounted on the base frame 111, with a portion of the counterweight 15 located within the space between the base frame 111 and the bottom beam 115. The counterweight 15 can also extend outward through the space between the base frame 111 and the bottom beam 115, with the extension portion configured according to specific needs.

[0086] The weight G2 of the counterweight 15 is determined based on the distance L1 between the center of gravity of the structure to be lifted, supported by the support frame 12, and the center of gravity of the vehicle frame 11; the distance L2 between the center of gravity of the counterweight 15 and the center of gravity of the vehicle frame 11; and the weight G1 of the structure to be lifted. The required weight G2 of the counterweight 15 is calculated using the formula G1 × L1 = G2 × L2. Therefore, the weight of the counterweight 15 can be calculated based on the predicted maximum weight of the structure to be lifted to meet the required weight.

[0087] The counterweight 15 enables the lifting trolley 1 to support and lift a heavy structure to be lifted, thereby preventing the lifting trolley 1 from tipping over and ensuring the safety of the entire lifting process.

[0088] The method of using the lifting trolley 1 is as follows:

[0089] First, place the structure to be lifted on the support frame 12, then push the entire lifting trolley 1 into the welding space, pull the handrail 133 up and down to move the structure to be lifted upward to the designated welding position for welding. After welding is completed, pull the handrail 133 up and down to lower the empty support frame 12 to the lowest point.

[0090] Specifically, the lifting trolley 1 is first pushed to a wide space, and then the structure to be lifted is hoisted onto the support frame 12 using a lifting device. The structure to be lifted can be placed on the support frame 12 horizontally or vertically, depending on the needs. Horizontal means that the length of the structure to be lifted is placed horizontally on the support frame 12. Vertical means that the length of the structure to be lifted is placed vertically on the support frame 12.

[0091] In summary, the lifting trolley 1 has the following advantages:

[0092] 1. The lifting trolley 1 supports the structure to be lifted through the support frame 12, and drives the support frame 12 and the structure to be lifted located on the support frame 12 to rise and fall through the lifting mechanism 13, so that the structure to be lifted can be lifted to the designated welding position, which is convenient for welding, reduces the use of lifting lug materials and the amount of welding and cutting, shortens the welding time, and improves work efficiency.

[0093] 2. The lifting trolley 1 has a simple structure. The frame 11 and the support frame 12 can be made of any stock profiles, so that the size of the lifting trolley 1 can be designed according to the actual situation of the structure to be lifted.

[0094] 3. The lifting trolley 1 has an appropriate height and can be moved left and right, forward and backward at will, so as to move the structure to be lifted to a designated limited space position.

[0095] While the present invention has been described with reference to several exemplary embodiments, it should be understood that the terms used are illustrative and exemplary rather than restrictive. Since the present invention can be embodied in a variety of forms without departing from the spirit or essence of the invention, it should be understood that the above-described embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope of the appended claims. Therefore, all changes and modifications that fall within the scope of the claims or their equivalents are intended to be covered by the appended claims.

Claims

1. A lifting trolley, characterized in that: include: a frame having an accommodating space therein; A support frame is provided on one side of the vehicle frame; the support frame is slidably connected to the vehicle frame; A lifting mechanism is provided in the accommodating space; the lifting mechanism includes a telescopic rod that can be lifted and lowered, and the telescopic rod is provided below the support frame and can drive the support frame to lift and lower; Wherein, a supporting space is provided on a side of the support frame away from the vehicle frame for supporting the structure to be lifted, so that the structure to be lifted can be lifted along with the support frame.

2. The lifting trolley according to claim 1, characterized in that: The support frame includes a support frame and a connecting frame, the connecting frame is located above the telescopic rod and can abut against the telescopic rod, the connecting frame is slidably connected to the frame, the support frame extends outward from the frame, and the support space is set on the support frame.

3. The lifting trolley according to claim 2, characterized in that: Slide grooves are provided at opposite ends of the connecting frame. The vehicle frame includes a bottom frame and columns erected on the bottom frame. The columns close to the connecting frame are located in the slide grooves, realizing a slidable connection between the connecting frame and the vehicle frame.

4. The lifting trolley according to claim 3, characterized in that: The connecting frame includes two parallel and spaced cross braces and a connecting beam connecting the two cross braces, the connecting beam extends vertically, and connecting parts are provided at opposite ends of the cross brace, the connecting parts include a first plate body and a second plate body that are perpendicular to each other, and a first folded edge and a second folded edge, the first folded edge is provided at the end of the first plate body away from the second plate body and is perpendicular to the first plate body, the second folded edge is provided at the end of the second plate body away from the first plate body and is perpendicular to the second plate body, the first plate body, the second plate body, the first folded edge and the second folded edge form the slide groove.

5. The lifting trolley according to claim 2, characterized in that: The support frame includes two support assemblies arranged in parallel and at intervals, and the support assembly includes a top support beam and a bottom support beam spaced below the top support beam. The bottom support beam extends outwardly beyond the top support beam in a direction away from the frame, and a stop block is provided at the end of the bottom support beam. The stops of the two support assemblies, the bottom support beam and the outer ends of the top support beam form the support space.

6. The lifting trolley according to claim 5, characterized in that: Two limit blocks are spaced apart on the top of the top support beam, and the two limit blocks and the top support beam together form a limit groove with a top opening; The support assembly also includes a vertical support connecting the top support beam and the bottom support beam, and the vertical support is connected to the connecting frame. The support assembly also includes a diagonal support connecting the top support beam and the bottom support beam, and the diagonal support is connected to the vertical support.

7. The lifting trolley according to claim 1, characterized in that: The lifting mechanism comprises: A hydraulic jack is disposed in the accommodating space; the hydraulic jack has the telescopic rod; an armrest, which is provided on the other side of the frame away from the support frame; A connecting rod connects the hydraulic jack and the handrail.

8. The lifting trolley according to claim 7, characterized in that: The connecting rod includes a first connecting rod extending vertically and a second connecting rod extending horizontally, the bottom end of the first connecting rod is connected to the hydraulic jack, the top end of the first connecting rod is connected to the second connecting rod, the middle part of the second connecting rod is connected to the first connecting rod, and the opposite ends of the second connecting rod are connected to the handrail; The armrest extends outwardly from the vehicle frame in a direction away from the support frame.

9. The lifting trolley according to claim 1, characterized in that: The lifting trolley includes a counterweight block arranged in the accommodating space, and the counterweight block is arranged on a side of the frame away from the supporting frame.

10. The lifting trolley according to claim 1, characterized in that: The frame has an inclined surface on a side away from the support frame, which is inclined outward from top to bottom; The bottom of the frame is provided with a walking mechanism; The support frame is detachably connected to the vehicle frame.

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