Top-back vehicle capable of realizing quick top-back

Abstract

The utility model discloses a back-jacking car capable of fast back-jacking, which comprises a plurality of back-jacking car units with the same structure, each back-jacking car unit comprises a chassis, a support plate is arranged right above the chassis, the chassis is connected with the support plate through a liftable component, wheels are arranged at the bottom of the chassis, and when the equipment walks and moves upstairs, the back-jacking car can be lifted up and down by the wheels. The supporting plate ascends to support the floor slab; the chassis of every two adjacent back-jacking vehicle units are connected through a connecting plate which can be fixed in a telescopic mode, the two ends of each connecting plate are rotationally connected with the two chassis correspondingly, and the splicing angle between the back-jacking vehicle units is adjusted. The back-jacking vehicle units can be flexibly spliced, arrangement under various requirements is achieved, the floor is supported, large equipment can be constructed above the floor, construction efficiency is improved, and the problems existing in the prior art are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction equipment and relates to a top-returning vehicle which can quickly return to the top. Background Art

[0002] When a crane is moving upstairs for construction, the weight of the crane is generally large, and the strength of the floor slab itself is not enough to support the crane. Therefore, it is necessary to support the floor slab for the crane to work. In the prior art, a full-floor scaffolding is generally temporarily built, and the floor slab is supported by the scaffolding. However, due to the slow erection speed and long construction period, the construction efficiency of the crane is reduced. The platform of the existing scissor-type lifting equipment has limited vertical support load and limited horizontal support area, and it is difficult to replace the full-floor scaffolding to support the floor slab for crane construction.

[0003] The invention patent with publication number CN 109083399 A discloses an adjustable embedded lifting support device for steel structure buildings, which replaces the fastener-type full-floor scaffolding; however, the horizontal support area is limited and it is still difficult to provide strong support for crane construction. Summary of the invention

[0004] In order to solve the above problems, the utility model provides a roof-returning vehicle that can quickly return to the top. The roof-returning vehicle units can be flexibly spliced ​​to achieve layout under various needs. By supporting the floor slab, large equipment can be constructed above the floor slab, which improves construction efficiency and solves the problems existing in the prior art.

[0005] The technical solution adopted by the utility model is a roof-returning vehicle that can quickly return to the top, comprising a plurality of roof-returning vehicle units with the same structure, each of the roof-returning vehicle units comprising a chassis, a support plate being provided directly above the chassis, the chassis and the support plate being connected by a liftable component, wheels being provided at the bottom of the chassis, and when the equipment moves upstairs, the support plate rises to support the floor slab; the chassis of two adjacent roof-returning vehicle units are connected by a retractable and fixed connecting plate, and the two ends of the connecting plate are respectively rotatably connected to the two chassis to adjust the splicing angle between the roof-returning vehicle units.

[0006] Furthermore, the connecting plate includes a first connecting portion and a second connecting portion in the shape of an elongated strip. The first connecting portion and the second connecting portion are each provided with a first connecting hole at one end away from each other for hingedly connecting different chassis. The top and bottom surfaces of the ends where the first connecting portion and the second connecting portion are close to each other are each provided with a length adjustment structure for adjusting the overall length of the connecting plate.

[0007] Furthermore, the length adjustment structure includes a sliding column and a ring. The top surface of the end of the first connecting part close to the second connecting part is fixedly connected to the ring, and the top surface of the end of the second connecting part close to the first connecting part is detachably connected to the sliding column. The sliding column can slide in the ring, and the end of the sliding column away from the second connecting part is provided with a boss for limiting the sliding column from escaping from the ring; the length adjustment structure of the bottom surfaces of the first connecting part and the second connecting part is the same as the length adjustment structure of the top surfaces and is symmetrical on the left and right; a second connecting hole is provided on the ring, and when the overall length of the connecting plate is adjusted appropriately, the pin passes through the second connecting hole to limit the sliding of the sliding column.

[0008] Furthermore, a third connecting hole is provided on the sliding column, and a bolt passes through the third connecting hole to detachably connect the sliding column to the top surface of the second connecting portion.

[0009] Furthermore, the liftable component is a scissors-type lifting structure, which includes an X-shaped connecting rod, multiple X-shaped connecting rods are hinged into a vertical row, the top surface of the chassis and the bottom surface of the support plate are provided with at least one group of slide grooves parallel to each other, the bottom fixed end of the X-shaped connecting rod is fixedly connected to the slide groove on the top surface of the chassis, the bottom movable end of the X-shaped connecting rod is hinged to the slider, and the slider is slidably connected in the slide groove on the top surface of the chassis; the top fixed end of the X-shaped connecting rod is fixedly connected to the slide groove on the bottom surface of the support plate, the top movable end of the X-shaped connecting rod is hinged to the slider, and the slider is slidably connected in the slide groove on the bottom surface of the support plate; the slider is fixedly connected to the telescopic head of the linear drive device, and the telescopic direction of the linear drive device is horizontal.

[0010] Furthermore, the topmost movable end and the bottommost movable end of the X-shaped connecting rod are located on the same side of the X-shaped connecting rod.

[0011] Furthermore, the top surface of the chassis and the bottom surface of the support plate are provided with two sets of slide grooves parallel to each other, two vertical rows of X-shaped connecting rods are installed in each set of slide grooves, and the movable ends of the two X-shaped connecting rods in each slide groove are fixedly connected to the two telescopic heads of the linear drive device.

[0012] Furthermore, a horizontally arranged fixing plate is fixed to the outer wall of the slide groove on the chassis, and a linear driving device is installed on the bottom surface of the fixing plate. The telescopic direction of the linear driving device is the vertical direction. The telescopic head of the linear driving device is fixedly connected to the horizontally arranged positioning lifting plate. When the telescopic head is extended, the positioning lifting plate is lowered and rests on the ground, thereby fixing the position of the return vehicle.

[0013] Furthermore, the linear drive device for driving the positioning lifting plate and the linear drive device for driving the sliding block are two independent devices.

[0014] Furthermore, the linear drive device is a hydraulic rod.

[0015] The beneficial effects of the utility model are:

[0016] The utility model directly supports the upper floor slab by means of a scissor-type lifting structure, combines a movable chassis with a liftable supporting plate, realizes the overall mobility and local height adjustability of the equipment, meets the support requirements of floors of different heights, does not require temporary construction of a full-floor scaffolding, reduces costs, and improves construction efficiency.

[0017] The chassis of two adjacent return-to-top vehicle units of the utility model are connected by a retractable and fixed connecting plate. The connecting plate is rotatably connected to the chassis, so that the splicing angle between the return-to-top vehicle units can be flexibly adjusted, and the required shape and path can be spliced ​​more accurately to adapt to the load and moving path of large equipment within the actual operating range, provide precise support, and realize layout under various needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a state diagram of an embodiment of the utility model when it is unfolded.

[0020] Figure 2 This is a state diagram of the embodiment of the utility model when folded.

[0021] Figure 3 It is a structural schematic diagram of the telescopic connecting plate in an embodiment of the utility model.

[0022] In the figure: 1, chassis; 2, positioning lifting plate; 3, fixing plate; 4, connecting plate; 41, first connecting part; 42, sliding column; 43, collar; 44, second connecting part; 45, first connecting hole; 46, second connecting hole; 47, third connecting hole; 5, slide groove; 6, X-shaped connecting rod; 7, support plate; 8, slider. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1,

[0025] A roof-returning vehicle capable of quickly returning to the roof, used for floor support, the structure of which is as follows Figure 1-2 As shown, it includes a chassis 1, a support plate 7 is provided directly above the chassis 1, the chassis 1 and the support plate 7 are connected by a liftable component, and wheels are provided at the bottom of the chassis 1. When the large equipment moves upstairs, the support plate 7 rises to support the floor; the mobile chassis 1 is combined with the liftable support plate 7 to achieve the overall mobility and local height adjustability of the equipment, meet the support requirements of floors at different heights, and improve construction efficiency.

[0026] In some embodiments, the liftable component is a scissors-type lifting structure, which includes an X-shaped connecting rod 6, multiple X-shaped connecting rods 6 are hinged into a vertical row, and the top surface of the chassis 1 and the bottom surface of the support plate 7 are provided with at least one group of slide grooves 5 parallel to each other, and the bottom end (fixed end) of the X-shaped connecting rod 6 is fixedly connected to the slide groove 5 on the top surface of the chassis 1, and the other end (movable end) of the X-shaped connecting rod 6 is hinged to the slider 8, and the slider 8 is slidably connected in the slide groove 5 on the top surface of the chassis 1; the top end (fixed end) of the X-shaped connecting rod 6 is fixedly connected to the slide groove 5 on the bottom surface of the support plate 7, and the other end (movable end) of the X-shaped connecting rod 6 is hinged to the slider 8, and the slider 8 is slidably connected in the slide groove 5 on the bottom surface of the support plate 7, and the top movable end of the X-shaped connecting rod 6 and the bottom movable end are located on the same side of the X-shaped connecting rod 6.

[0027] The slide block 8 is fixedly connected to the telescopic head of the linear drive device, and the telescopic direction of the linear drive device is horizontal; in some embodiments, the linear drive device is a hydraulic rod.

[0028] In actual use, the state of the X-shaped connecting rod 6 is adjusted by the linear drive device. The state of the X-shaped connecting rod 6 when folded is as follows: Figure 2 As shown, the telescopic function is realized, and the height of the support plate 7 is adjusted up and down; this embodiment adopts a horizontally telescopic linear drive device, which can adapt to a wider range of heights than a plurality of vertically telescopic linear drive devices; for example, the height of some basement floors may reach 20m. If a plurality of vertically telescopic linear drive devices are used, the entire structure may be unstable and the cost may be higher.

[0029] In some embodiments, two sets of slide grooves 5 parallel to each other are provided on the top surface of the chassis 1 and the bottom surface of the support plate 7, two vertical rows of X-shaped connecting rods 6 are installed in each set of slide grooves 5, and the movable ends of the two X-shaped connecting rods 6 in each slide groove 5 are fixedly connected to the two telescopic heads of the hydraulic rod and driven by a bidirectional hydraulic rod.

[0030] In some embodiments, a horizontally arranged fixing plate 3 is fixed to the outer wall of the slide groove 5 on the chassis 1, and a linear drive device is installed on the bottom surface of the fixing plate 3. The telescopic direction of the linear drive device is the vertical direction, and the telescopic head of the linear drive device is fixedly connected to the horizontally arranged positioning lifting plate 2. In some embodiments, the linear drive device has a hydraulic rod, and when the hydraulic rod is extended, the positioning lifting plate 2 is lowered and rests on the ground, so as to fix the position of the return top vehicle.

[0031] The linear drive device for driving the positioning lifting plate 2 and the linear drive device for driving the sliding block 8 are two independent devices; the hydraulic rod for driving the sliding block 8 is installed on the inner side of the sliding groove 5 .

[0032] Embodiment 2,

[0033] A top-returning vehicle that can be quickly retracted comprises at least two top-returning vehicle units with the same structure. The chassis 1 of adjacent top-returning vehicle units are connected via a retractable and fixed connecting plate 4. Both ends of the connecting plate 4 are rotatably connected to the two chassis 1 to adjust the splicing angle between the top-returning vehicle units.

[0034] like Figure 3 As shown, the connecting plate 4 includes a first connecting portion 41 and a second connecting portion 44 in an elongated shape. The first connecting portion 41 and the second connecting portion 44 are each provided with a first connecting hole 45 at one end away from each other, which is used to rotatably connect (hinged) different chassis 1; the top surface and the bottom surface of the end portion where the first connecting portion 41 and the second connecting portion 44 are close to each other are each provided with a length adjustment structure, which is used to adjust the overall length of the connecting plate 4.

[0035] The length adjustment structure includes a sliding column 42 and a collar 43. The collar 43 is fixedly connected to the top surface of the end of the first connection part 41 close to the second connection part 44, and the sliding column 42 is detachably connected to the top surface of the end of the second connection part 44 close to the first connection part 41. The sliding column 42 can slide in the collar 43, and the end of the sliding column 42 away from the second connection part 44 is provided with a boss for limiting the sliding column 42 from escaping from the collar 43. The bottom surfaces of the first connection part 41 and the second connection part 44 are provided with a length adjustment structure that is the same as the top surface structure and symmetrical to the left and right, that is, the collar 43 is fixedly connected to the bottom surface of the end of the second connection part 44 close to the first connection part 41, and the sliding column 42 is detachably connected to the bottom surface of the end of the first connection part 41 close to the second connection part 44. The sliding column 42 can slide in the collar 43, and the end of the sliding column 42 away from the first connection part 41 is provided with a boss for limiting the sliding column 42 from escaping from the collar 43.

[0036] The sliding column 42 is provided with a third connection hole 47, and a bolt passes through the third connection hole 47 to detachably connect the sliding column 42 to the top surface of the second connection part 44, or to detachably connect the sliding column 42 to the bottom surface of the first connection part 41. The collar 43 is provided with a second connection hole 46, and the sliding column 42 is provided with a plurality of equally spaced blind holes. When the overall length of the connecting plate 4 is adjusted appropriately, the pin passes through the second connection hole 46 and is inserted into the blind hole to limit the sliding of the sliding column 42, thereby fixing the length of the connecting plate 4; bolts, pins, and blind holes Figure 3 Not drawn in.

[0037] The embodiment of the utility model can flexibly adjust the splicing angle between the return vehicle units, and more accurately splice the required shape and path. When large equipment is required to enter the upper part of the floor slab, multiple return vehicle units are spliced ​​according to the walking path of the equipment load to match the walking path of the equipment load; when the working area is reached, multiple return vehicle units are spliced ​​according to the load distribution range of the operating machinery and equipment to match the load distribution range; when the upper large equipment leaves the site, multiple return vehicle units are spliced ​​according to the departure trajectory to match the departure trajectory; the different requirements of the working load range can be met, and after multiple return vehicles are deployed and fixed, they jointly bear the upper load to achieve the effect of a full-floor scaffolding; especially when encountering the situation where the upper large equipment (such as a crane) is constantly moving and the working area is constantly changing, the position can be dynamically adjusted according to the working range. After completion, the return vehicle can be used in the next construction to achieve the recycling of the vehicle and improve the turnover efficiency of the return vehicle.

[0038] Each embodiment in this specification is described in a related manner, and the same or similar parts between the embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A top-returning vehicle capable of quickly returning to the top, comprising a plurality of top-returning vehicle units with the same structure, characterized in that: Each of the roof-returning vehicle units comprises a chassis (1), a support plate (7) is provided directly above the chassis (1), the chassis (1) and the support plate (7) are connected via a liftable component, wheels are provided at the bottom of the chassis (1), and when the device moves upstairs, the support plate (7) rises to support the floor slab; the chassis (1) of two adjacent roof-returning vehicle units are connected via a retractable and fixed connecting plate (4), and the two ends of the connecting plate (4) are respectively rotatably connected to the two chassis (1).

2. A top-returning vehicle capable of rapid top-returning according to claim 1, characterized in that: The connecting plate (4) comprises a first connecting portion (41) and a second connecting portion (44) in the form of an elongated strip. The ends of the first connecting portion (41) and the second connecting portion (44) which are away from each other are each provided with a first connecting hole (45) for hinged connection with different chassis (1). The top surface and the bottom surface of the ends of the first connecting portion (41) and the second connecting portion (44) which are close to each other are each provided with a length adjustment structure for adjusting the overall length of the connecting plate (4).

3. A top-returning vehicle capable of rapid top-returning according to claim 2, characterized in that: The length adjustment structure comprises a sliding column (42) and a collar (43); the collar (43) is fixedly connected to the top surface of the end of the first connecting part (41) close to the second connecting part (44); the sliding column (42) is detachably connected to the top surface of the end of the second connecting part (44) close to the first connecting part (41); the sliding column (42) can slide in the collar (43); the end of the sliding column (42) away from the second connecting part (44) is provided with a boss for limiting the sliding column (42) from escaping from the collar (43); the length adjustment structure of the bottom surface of the first connecting part (41) and the second connecting part (44) is identical in structure to the length adjustment structure of the top surface and is bilaterally symmetrical; the collar (43) is provided with a second connecting hole (46); when the overall length of the connecting plate (4) is adjusted appropriately, a pin passes through the second connecting hole (46) to limit the sliding of the sliding column (42).

4. A top-returning vehicle capable of rapid top-returning according to claim 3, characterized in that: The sliding column (42) is provided with a third connecting hole (47), and a bolt passes through the third connecting hole (47) to detachably connect the sliding column (42) to the top surface of the second connecting portion (44).

5. A top-returning vehicle capable of rapid top-returning according to claim 1, characterized in that: The liftable assembly is a scissor-type lift structure, which comprises an X-shaped connecting rod (6), wherein a plurality of X-shaped connecting rods (6) are hingedly connected in a vertical row, and the top surface of the chassis (1) and the bottom surface of the support plate (7) are provided with at least one group of slide grooves (5) parallel to each other, the bottom fixed end of the X-shaped connecting rod (6) is fixedly connected to the slide groove (5) on the top surface of the chassis (1), and the bottom movable end of the X-shaped connecting rod (6) is hingedly connected to a slider (8), and the slider (8) is slidably connected to the slide groove (5) on the top surface of the chassis (1); the top fixed end of the X-shaped connecting rod (6) is fixedly connected to the slide groove (5) on the bottom surface of the support plate (7), and the top movable end of the X-shaped connecting rod (6) is hingedly connected to the slider (8), and the slider (8) is slidably connected to the slide groove (5) on the bottom surface of the support plate (7); the slider (8) is fixedly connected to the telescopic head of the linear drive device, and the telescopic direction of the linear drive device is horizontal.

6. A top-returning vehicle capable of rapid top-returning according to claim 5, characterized in that: The topmost movable end and the bottommost movable end of the X-shaped connecting rod (6) are located on the same side of the X-shaped connecting rod (6).

7. A top-returning vehicle capable of rapid top-returning according to claim 5, characterized in that: The top surface of the chassis (1) and the bottom surface of the support plate (7) are provided with two sets of slide grooves (5) parallel to each other, and two vertical rows of X-shaped connecting rods (6) are installed in each set of slide grooves (5). The movable ends of the two X-shaped connecting rods (6) in each slide groove (5) are fixedly connected to the two telescopic heads of the linear drive device.

8. A top-returning vehicle capable of rapid top-returning according to claim 5, characterized in that: A horizontally arranged fixing plate (3) is fixed to the outer wall of the slide groove (5) on the chassis (1), and a linear drive device is installed on the bottom surface of the fixing plate (3). The telescopic direction of the linear drive device is the vertical direction. The telescopic head of the linear drive device is fixedly connected to the horizontally arranged positioning lifting plate (2). When the telescopic head is extended, the positioning lifting plate (2) is lowered and abuts against the ground, thereby fixing the position of the return top vehicle.

9. A top-returning vehicle capable of rapid top-returning according to claim 8, characterized in that: The linear drive device for driving the positioning lifting plate (2) and the linear drive device for driving the sliding block (8) are two independent devices.

10. A top-returning vehicle capable of rapid top-returning according to claim 9, characterized in that: The linear drive device is a hydraulic rod.

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