Carrying trolley capable of adapting to moving of steps with different heights

Abstract

The utility model discloses a carrying trolley capable of adapting to moving of steps with different heights, which comprises a carrying frame and a trolley body, carrying wheels are mounted on two sides of the carrying frame, a height adjusting component is arranged on the inner side of the carrying frame, a carrying mechanism is arranged on the surface of the carrying frame, and the carrying mechanism comprises a carrying component, a lifting component and a lifting component. Comprising a supporting frame installed on the top of a carrying frame. According to the carrying trolley capable of adapting to moving of the steps with the different heights, the carrying mechanism is arranged, under driving of the driving motor, the height of the supporting plate can be adjusted, the trolley body is supported through the supporting plate, and therefore the trolley body can be rapidly jacked up, carrying operation of the trolley body is achieved, and the storage assembly is arranged, so that the carrying trolley is convenient to use. The rotating angles of the two supporting plates can be synchronously adjusted, so that the supporting plates can be folded and unfolded, and the supporting plates can be conveniently stored when not in use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of carrying equipment, specifically to a carrying trolley that can move on steps of different heights. BACKGROUND

[0002] The patent with the name of "a carrying vehicle" (authorized announcement number: CN218316774U, authorized announcement date: 2023.01.17) includes a carrying vehicle, a push-pull structure is arranged on the carrying vehicle, the push-pull structure includes a connecting column, two connecting columns are rotationally connected to the carrying vehicle through a connecting shaft, the connecting shaft is fixedly connected between the connecting columns, a handle is slidably connected to the connecting column, and the handle is fixed between the connecting column through a first limiting structure; when the gift box production paperboard needs to be carried, the gift box production paperboard is first placed on the carrying vehicle, then the handle and the connecting column are slidably matched through the handle, and the handle and the connecting column are fixed through the first limiting structure when the handle slides to a certain position, so that the handle and the connecting column are slidably matched, the handle is adjusted according to the different operation habits of the staff in a short time, the use comfort is improved, and the stability is improved through the first limiting structure to fix the handle and the connecting column.

[0003] Based on the above file: in the vehicle carrying operation, often encounter the site with steps, such as the workshop and outdoor site between vehicle repair factory, different floors between multistory garage, etc., the traditional carrying vehicle mode, either rely on large lifting equipment, high cost and complex operation, or use ordinary carrying tools, when encountering steps, it is difficult to cross, and a large amount of manpower and time is consumed for vehicle transfer, the efficiency is extremely low, therefore, the utility model provides a carrying trolley that can move on steps of different heights. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a carrying trolley that can move on steps of different heights, which solves the problems that the traditional carrying vehicle mode relies on large lifting equipment, is high in cost and complex in operation, or uses ordinary carrying tools, which is difficult to cross when encountering steps, and a large amount of manpower and time is consumed for vehicle transfer, and the efficiency is extremely low.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme: a carrying trolley that can move on steps of different heights, including a carrying frame and a vehicle body, carrying wheels are installed on the two sides of the carrying frame, a height adjusting assembly is arranged on the inner side of the carrying frame, a carrying mechanism is arranged on the surface of the carrying frame, and the carrying mechanism includes:

[0006] The utility model provides a carrying assembly, including the support frame that installs in the top of carrying frame, the inside rotation of support frame is connected with carrying screw rod, the top of carrying screw rod is installed with rotation hand wheel, the surface fixed connection of carrying screw rod has first worm wheel, the bottom of carrying screw rod is connected with the top of carrying frame, the surface screw thread connection of carrying screw rod has connecting plate, the inner chamber rotation of connecting plate is connected with support plate, one end of support plate is fixedly connected with positioning disc, the top of positioning disc is equipped with positioning groove,

[0007] The driving assembly is arranged on the top of the carrying frame and is used for driving the carrying screw rod to rotate.

[0008] The storage assembly is arranged in the inside of the connecting plate and is used for realizing the storage operation of the support plate.

[0009] Preferably, the driving assembly comprises a driving motor arranged on the top of the carrying frame, one end of an output shaft of the driving motor is fixedly connected with a first worm through a shaft coupling, and the surface of the first worm is engaged with the surface of the first worm wheel.

[0010] Preferably, the storage assembly comprises a control screw rotatably arranged in the inside of the connecting plate, the surface of the control screw is screw-connected with a control plate, the inside of the control plate is slidingly connected with a limiting rod, the bottom of the limiting rod is fixedly connected with the bottom of the inner chamber of the connecting plate, the two sides of the bottom of the control plate are fixedly connected with positioning rods, and the surface of the positioning rods is slidingly connected with the inner surface of the positioning groove.

[0011] Preferably, the carrying frame is provided with two groups of symmetrical carrying frames, and the two groups of carrying frames are fixedly connected through a connecting frame.

[0012] Preferably, the height adjusting assembly comprises an adjusting motor arranged on the top of the carrying frame, one end of an output shaft of the adjusting motor is fixedly connected with a second worm through a shaft coupling, the surface of the second worm makes the adjusting screw slide through a transmission assembly, the bottom of the adjusting screw is fixedly connected with a supporting wheel, the surface of the adjusting screw is screw-connected with a second worm wheel, and the surface of the second worm wheel is engaged with the surface of the second worm.

[0013] Preferably, the transmission assembly comprises a transmission plate arranged on the bottom of the carrying frame, the inside of the transmission plate is slidingly connected with a transmission rod, and the bottom of the transmission rod is fixedly connected with the two sides of the supporting wheel.

[0014] Beneficial effects

[0015] The utility model provides a carrying trolley that can adapt to different height steps, which has the following beneficial effects compared with the prior art:

[0016] 1、The carrying trolley that can adapt to the movement of different height steps, the control plate and the positioning rod are driven to slide upward by rotating the control screw rod, so that the positioning rod slides out of the positioning groove, then the support plate is opened by rotating, and then the control plate and the positioning rod are driven to slide downward synchronously by rotating the control screw rod, so that the positioning rod is inserted into the corresponding positioning groove, so that the support plate is positioned, then the two groups of carrying frames are moved to the two sides of the vehicle body, so that the support plate is located at the bottom of the vehicle body, then the two groups of carrying frames are connected by the connecting frame, then the first worm is driven to rotate by starting the driving motor, the rotation of the first worm drives the first worm gear to rotate, and the rotation of the first worm gear drives the carrying screw rod to rotate synchronously, and the rotation of the carrying screw rod drives the connecting plate and the support plate to slide upward synchronously, so that the vehicle body is supported by the support plates on both sides, and the vehicle body is lifted up, then the vehicle body is moved synchronously by the carrying wheels and the carrying frame, and the carrying operation of the vehicle body is realized, by setting the carrying mechanism, the height of the support plate can be adjusted by the driving of the driving motor, the vehicle body is supported by the support plate, so that the vehicle body can be quickly lifted up, the carrying operation of the vehicle body is realized, and by setting the storage assembly, the rotation angles of the two groups of support plates can be adjusted synchronously, so that the folding and unfolding operation of the support plates can be realized, and the support plates can be conveniently stored when not in use.

[0017] 2、The carrying trolley that can adapt to the movement of different height steps, the carrying trolley that can adapt to the movement of different height steps, the second worm is driven to rotate by starting the adjusting motor, the rotation of the second worm drives the second worm gear to rotate, and the rotation of the second worm gear drives the adjusting screw rod, the supporting wheel and the transmission rod to slide downward synchronously, so that the transmission rod slides in the transmission plate, so that the carrying frame and the vehicle body are supported by the supporting wheel, so that the height of the vehicle body and the carrying frame is higher than the height of the step, then the carrying wheel on one side of the carrying frame is moved to the step, and the supporting wheel on the opposite side is adjusted upward, so that the height of the supporting wheel is the same as that of the carrying wheel on one side, and the supporting wheel is supported on the step together with the carrying wheel on one side, then the carrying frame and the vehicle body are moved, and the whole vehicle body is above the step, so that the carrying operation of the vehicle body is realized, by setting the height adjusting assembly, the height of the supporting wheel can be flexibly adjusted by the driving of the adjusting motor, the height of the carrying frame and the vehicle body can be adjusted by the multiple supporting wheels, and the height of the supporting wheels on both sides can be flexibly adjusted, so that the carrying frame is suitable for steps of different heights during the carrying of the vehicle body, and the practicability of the carrying trolley is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an external structure schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional structure schematic diagram of the utility model in the carrying state;

[0020] Figure 3It is the three-dimensional schematic view of the carrying frame and the connecting frame of the utility model;

[0021] Figure 4 It is the three-dimensional schematic view of the driving assembly of the utility model;

[0022] Figure 5 It is the three-dimensional schematic view of the carrying assembly of the utility model;

[0023] Figure 6 It is the three-dimensional schematic view of the height adjusting assembly of the utility model;

[0024] Figure 7 It is the explosion structure schematic view of the storage assembly of the utility model.

[0025] In the figure: 1-carrying frame, 2-car body, 3-carrying wheel, 4-height adjusting assembly, 41-adjusting motor, 42-second worm, 43-transmission assembly, 431-transmission plate, 432-transmission rod, 44-adjusting screw rod, 45-supporting wheel, 46-second worm wheel, 5-carrying mechanism, 51-carrying assembly, 511-supporting frame, 512-carrying screw rod, 513-first worm wheel, 514-connecting plate, 515-positioning disc, 516-positioning groove, 517-supporting plate, 52-driving assembly, 521-driving motor, 522-first worm, 53-storage assembly, 531-control screw rod, 532-control plate, 533-limiting rod, 534-positioning rod, 6-connecting frame. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-7 The utility model provides a technical scheme:

[0028] The utility model discloses a carrying trolley that can move on steps with different heights, which comprises a carrying frame 1 and a car body 2, carrying wheels 3 are installed on the two sides of the carrying frame 1, a height adjusting assembly 4 is arranged on the inner side of the carrying frame 1, a carrying mechanism 5 is arranged on the surface of the carrying frame 1, and the carrying mechanism 5 comprises:

[0029] The carrying assembly 51 comprises a supporting frame 511 mounted on the top of the carrying frame 1, the inside of the supporting frame 511 is rotationally connected with a carrying lead screw 512, the top end of the carrying lead screw 512 is provided with a rotating hand wheel, the surface of the carrying lead screw 512 is fixedly connected with a first worm gear 513, the bottom end of the carrying lead screw 512 is rotationally connected with the top of the carrying frame 1, the surface of the carrying lead screw 512 is threadedly connected with a connecting plate 514, the inner cavity of the connecting plate 514 is rotationally connected with a supporting plate 517, one end of the supporting plate 517 is fixedly connected with a positioning disc 515, and the top of the positioning disc 515 is provided with a positioning groove 516;

[0030] The driving assembly 52 is arranged on the top of the carrying frame 1 and is used for driving the carrying lead screw 512 to rotate.

[0031] The storage assembly 53 is arranged in the inside of the connecting plate 514 and is used for realizing the storage operation of the supporting plate 517.

[0032] The two sides of the connecting plate 514 are provided with symmetrical limiting blocks, the inner side of the supporting frame 511 is provided with symmetrical limiting grooves, and the limiting blocks slide on the inner surfaces of the limiting grooves.

[0033] The first worm 522 and the first worm gear 513 are arranged in the inside of the protection box.

[0034] In the embodiment, the driving assembly 52 comprises a driving motor 521 mounted on the top of the carrying frame 1, one end of the output shaft of the driving motor 521 is fixedly connected with the first worm 522 through a shaft coupling, and the surface of the first worm 522 is engaged with the surface of the first worm gear 513.

[0035] The driving motor 521 is a three-phase asynchronous motor and is connected with an external circuit through an electric wire.

[0036] In the embodiment, the storage assembly 53 comprises a control lead screw 531 rotationally mounted in the inside of the connecting plate 514, the surface of the control lead screw 531 is threadedly connected with a control plate 532, the inside of the control plate 532 is slidingly connected with a limiting rod 533, the bottom end of the limiting rod 533 is fixedly connected with the bottom of the inner cavity of the connecting plate 514, the two sides of the bottom of the control plate 532 are fixedly connected with positioning rods 534, and the surfaces of the positioning rods 534 are slidingly connected with the inner surfaces of the positioning grooves 516.

[0037] The limiting rod 533 is used for slidingly limiting the control plate 532.

[0038] By setting the carrying mechanism 5, the height of the support plate 517 can be adjusted under the drive of the driving motor 521, and the vehicle body 2 is supported by the support plate 517, so that the vehicle body 2 can be quickly lifted to realize the carrying operation of the vehicle body 2, and the accommodation assembly 53 is provided to realize the synchronous adjustment of the rotation angle of the two groups of support plates 517, so that the folding and unfolding operation of the support plate 517 can be realized, and the support plate 517 can be conveniently folded when not in use.

[0039] In this embodiment, the carrying frame 1 is provided with two groups of relative symmetrical groups, and the two groups of carrying frames 1 are connected and fixed through the connecting frame 6.

[0040] In this embodiment, the height adjusting assembly 4 includes an adjusting motor 41 mounted on the top of the carrying frame 1, one end of the output shaft of the adjusting motor 41 is fixedly connected with a second worm 42 through a shaft coupling, the surface of the second worm 42 is slidably connected with an adjusting screw 44 through a transmission assembly 43, the bottom end of the adjusting screw 44 is fixedly connected with a support wheel 45, the surface of the adjusting screw 44 is threadedly connected with a second worm wheel 46, and the surface of the second worm wheel 46 is engaged with the surface of the second worm 42.

[0041] The adjusting motor 41 is a three-phase asynchronous motor, and is connected with an external circuit through a wire;

[0042] The second worm 42 and the second worm wheel 46 are arranged in the interior of the protective box

[0043] In this embodiment, the transmission assembly 43 includes a transmission plate 431 mounted on the bottom of the carrying frame 1, and the transmission plate 431 is slidably connected with a transmission rod 432, and the bottom end of the transmission rod 432 is fixedly connected with the two sides of the support wheel 45.

[0044] The transmission rod 432 is used for limiting the up-down sliding of the support wheel 45.

[0045] By setting the height adjusting assembly 4, the height of the support wheel 45 can be flexibly adjusted under the drive of the adjusting motor 41, and the height of the carrying frame 1 and the vehicle body 2 can be adjusted by the plurality of support wheels 45. By flexibly adjusting the height of the support wheels 45 on both sides, the carrying frame 1 is suitable for steps of different heights during carrying the vehicle body 2, and the practicability of the carrying trolley is improved.

[0046] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0047] In working, firstly, the control rod 534 is slid upwardly by rotating the control screw rod 531 to make the control rod 534 slide out of the positioning groove 516, then, the support plate 517 is opened by rotating, and then the control rod 534 is slid downwardly by rotating the control screw rod 531 to make the control rod 534 insert into the corresponding positioning groove 516, so that the support plate 517 is positioned, then, the two groups of carrying frames 1 are moved to the two sides of the vehicle body 2, so that the support plate 517 is located at the bottom of the vehicle body 2, then the two groups of carrying frames 1 are connected by the connecting frame 6, and then the first worm 522 is rotated by starting the driving motor 521, the rotation of the first worm 522 drives the first worm gear 513 to rotate, the rotation of the first worm gear 513 drives the carrying screw rod 512 to rotate synchronously, and the rotation of the carrying screw rod 512 drives the connecting plate 514 and the support plate 517 to slide upwardly synchronously, so that the vehicle body 2 is supported by the support plates 517 on the two sides and is lifted up, then the vehicle body 2 is moved synchronously by the carrying wheels 3 and the carrying frames 1 to realize the carrying operation of the vehicle body 2, and when a step is encountered, the second worm 42 is rotated by starting the adjusting motor 41, the rotation of the second worm 42 drives the second worm gear 46 to rotate, the rotation of the second worm gear 46 drives the adjusting screw rod 44, the supporting wheel 45 and the transmission rod 432 to slide downwardly synchronously, so that the transmission rod 432 slides in the transmission plate 431, the carrying frame 1 and the vehicle body 2 are supported by the supporting wheel 45, so that the height of the vehicle body 2 and the carrying frame 1 is higher than the height of the step, then the carrying wheel 3 on one side of the carrying frame 1 is moved to the step, the supporting wheel 45 on the opposite side is adjusted upwardly to be the same height as the carrying wheel 3 on one side and is attached to the step to support, and then the carrying frame 1 and the vehicle body 2 are continuously moved until the vehicle body 2 is entirely above the step, so that the carrying operation of the vehicle body 2 is realized.

[0048] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that there is any such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0049] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A transport trolley adaptable to movement on steps of different heights, comprising a transport frame (1) and a trolley body (2), characterized in that: The transport frame (1) is equipped with transport wheels (3) on both sides, and a height adjustment component (4) is provided on the inner side of the transport frame (1). The surface of the transport frame (1) is provided with a transport mechanism (5), which includes: The transport assembly (51) includes a support frame (511) mounted on the top of the transport frame (1). The support frame (511) is rotatably connected to a transport screw (512). A rotating handwheel is mounted on the top of the transport screw (512). A first worm gear (513) is fixedly connected to the surface of the transport screw (512). The bottom end of the transport screw (512) is rotatably connected to the top of the transport frame (1). A connecting plate (514) is threadedly connected to the surface of the transport screw (512). A support plate (517) is rotatably connected to the inner cavity of the connecting plate (514). A positioning plate (515) is fixedly connected to one end of the support plate (517). A positioning groove (516) is provided on the top of the positioning plate (515). A drive assembly (52) is disposed on the top of the transport frame (1) and is used to drive the transport screw (512) to rotate; The storage component (53) is located inside the connecting plate (514) and is used to store the support plate (517).

2. The transport trolley adaptable to movement on steps of different heights according to claim 1, characterized in that: The drive assembly (52) includes a drive motor (521) mounted on the top of the transport frame (1). One end of the output shaft of the drive motor (521) is fixedly connected to a first worm (522) via a coupling. The surface of the first worm (522) meshes with the surface of the first worm wheel (513).

3. A transport trolley adaptable to movement on steps of different heights according to claim 1, characterized in that: The storage assembly (53) includes a control screw (531) rotatably mounted inside a connecting plate (514). A control plate (532) is threadedly connected to the surface of the control screw (531). A limit rod (533) is slidably connected inside the control plate (532). The bottom end of the limit rod (533) is fixedly connected to the bottom of the inner cavity of the connecting plate (514). Positioning rods (534) are fixedly connected to both sides of the bottom of the control plate (532). The surface of the positioning rod (534) is slidably connected to the inner surface of the positioning groove (516).

4. A transport trolley adaptable to movement on steps of different heights according to claim 1, characterized in that: The transport frame (1) is provided with two symmetrical sets, and the two sets of transport frames (1) are connected and fixed together by a connecting frame (6).

5. A transport trolley adaptable to movement on steps of different heights according to claim 1, characterized in that: The height adjustment assembly (4) includes an adjustment motor (41) mounted on the top of the transport frame (1). One end of the output shaft of the adjustment motor (41) is fixedly connected to a second worm (42) via a coupling. The surface of the second worm (42) is connected to an adjustment screw (44) via a transmission assembly (43). The bottom end of the adjustment screw (44) is fixedly connected to a support wheel (45). The surface of the adjustment screw (44) is threadedly connected to a second worm wheel (46), and the surface of the second worm wheel (46) meshes with the surface of the second worm (42).

6. A transport trolley adaptable to movement on steps of different heights according to claim 5, characterized in that: The transmission assembly (43) includes a transmission plate (431) installed at the bottom of the transport frame (1). A transmission rod (432) is slidably connected inside the transmission plate (431). The bottom end of the transmission rod (432) is fixedly connected to both sides of the support wheel (45).

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