Electric piling car

Abstract

The utility model discloses an electric piling car, and belongs to the technical field of loading and unloading carrying equipment, the electric piling car comprises a handle steering system, the handle steering system comprises an upper seat, a gas spring and a lower seat, the lower end of the gas spring is mounted on the lower seat through a rotating shaft, the upper end of the gas spring is a spherical structural member, and the spherical structural member is mounted in the upper seat; the spherical structural part can rotate in the upper seat when being stressed, an adjusting bolt is mounted at the top of the upper seat, the bottom of the adjusting bolt extends into the upper seat to act on the spherical structural part, and the force applied to the spherical structural part by the adjusting bolt is changed by rotating the adjusting bolt. The structure of the handle steering system is optimized, so that the structure is simple and convenient and operation is flexible.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of loading and unloading handling equipment, in particular to an electric stacker. BACKGROUND

[0002] The electric stacker is a material handling equipment powered by a battery and an electric motor, mainly used for loading and unloading, stacking, and short-distance transporting of piece pallet goods. The existing electric stacker is usually composed of a gantry system, a control system, a fork and a blocking rack system, and a vehicle body system. The vehicle body system is provided with a battery and a hydraulic power pump station, which is controlled by the control system through a hydraulic pipeline to lift or lower the hydraulic cylinder to drive the up-and-down movement of the goods.

[0003] The related prior art, such as Chinese patent CN202124450U, discloses an overall hoisting battery box stacker, which is provided with a battery cavity in the vehicle body system, and a battery box is matched and arranged in the battery cavity, and a battery pack composed of a plurality of battery packs is matched and embedded in the battery box. This scheme mainly solves the problems of battery installation and replacement.

[0004] For example, Chinese patent CN208716773U discloses a material stacking vehicle, which includes a power module and a stacking module, and adopts a modular design connected through a connecting mechanism, having the advantages of simple structure and flexible control.

[0005] However, the existing electric stacker still has the following technical problems: the existing handle steering system usually adopts a multi-link mechanism and a complex mechanical transmission device, which not only increases the weight of the whole vehicle, but also has a bulky structure, resulting in poor operation flexibility and difficult maintenance, affecting the operation efficiency. UTILITY MODEL CONTENT

[0006] The technical problem to be solved by the present application is to provide an electric stacker, which optimizes the structure of the handle steering system to make it simple and flexible.

[0007] The technical scheme adopted by the present application is: an electric stacker, which includes a handle steering system, the handle steering system including an upper seat, a gas spring and a lower seat, the lower end of the gas spring being installed on the lower seat through a rotating shaft, the upper end of the gas spring being a spherical structure, the spherical structure being installed in the upper seat, the spherical structure being rotatable in the upper seat under stress, the upper seat being provided at the top with an adjusting bolt, the adjusting bolt extending into the upper seat at the bottom to act on the spherical structure, and the rotating adjusting bolt changing the force of the adjusting bolt on the spherical structure.

[0008] Compared with the prior art, the handle turning system is mainly composed of the upper seat, the gas spring and the lower seat, is a structure connected in sequence from top to bottom, has simple component composition and reasonable and compact structure design. The handle turning system adopts the gas spring installed in the connection mode of the upper seat and the lower seat. Specifically, the lower end of the gas spring is installed on the lower seat through a rotating shaft, that is, the gas spring can swing back and forth relative to the lower seat when subjected to force. The upper end of the gas spring is provided with a spherical structure, and the spherical structure can rotate in the upper seat under force. The spherical structure greatly improves the flexibility between the upper seat and the gas spring. The upper end of the upper seat is provided with an adjusting bolt, and rotating the adjusting bolt changes the force of the adjusting bolt on the spherical structure, that is, adjusts the operating force of the handle of the electric stacking vehicle. The gas spring is applied to the handle turning system, so that the handle has self-locking effect when being straightened and bent to the bottom, and the user experience is better.

[0009] In some embodiments of the present application, the handle turning system comprises a handle seat, a handle shell and a handle cover, and the handle seat, the handle shell and the handle cover are all made of aluminum die casting.

[0010] The handle shell in the industry is basically a structure welded and poured with steel plates, and the overall weight is large. The present application adopts an aluminum die-cast handle turning system shell, specifically including a handle seat, a handle shell and a handle cover, and has the characteristics of high strength, smooth appearance, high dimensional accuracy and light weight.

[0011] In some embodiments of the present application, the lower seat is fixed on the handle seat, the handle shell is installed on the handle seat, the handle shell and the handle seat are connected through a pin shaft, the handle shell can rotate around the pin shaft under force, and the pin shaft is located at the rear side of the gas spring.

[0012] The design of the handle seat and the handle shell of the present application adapts to the connection structure of the lower seat and the gas spring, and the pin connection between the handle seat and the handle shell can well adapt to the movement of the gas spring and the lower seat.

[0013] In some embodiments of the present application, the front side of the handle shell is open, the handle cover covers the opening of the handle shell, and the handle shell and the handle cover constitute an installation cavity for accommodating the upper seat and the gas spring.

[0014] In the present application, the opening design of the handle shell is to facilitate the installation of the handle turning system and the subsequent maintenance and repair.

[0015] In some embodiments of the present application, the lower seat comprises a bottom plate, and a left mounting plate and a right supporting plate arranged above the bottom plate, a space between the left mounting plate and the right supporting plate for inserting the lower end of the gas spring, the left mounting plate is provided with a mounting hole, the top surface of the right supporting plate is provided with a semicircular concave supporting surface, the mounting hole and the supporting surface are coaxially arranged, and the rotating shaft passes through the mounting hole and the lower end of the gas spring in sequence and is arranged on the supporting surface. The above structure facilitates the installation of the gas spring and also allows a certain flexibility between the gas spring and the lower seat.

[0016] In some embodiments of the present application, the surface of the left mounting plate is provided with a threaded hole, the threaded hole is arranged along the radial direction of the mounting hole, a fastening screw is arranged on the threaded hole, the end of the fastening screw acts on the rotating shaft, and rotating the fastening screw changes the force exerted by the fastening screw on the rotating shaft. By arranging the fastening screw, the force between the lower seat and the gas spring can be adjusted.

[0017] In some embodiments of the present application, the gas spring and the upper seat are located on the same vertical plane, and there is a preset included angle between the gas spring and the upper seat, the included angle is obtuse, the upper seat is fixed on the handle shell, the gas spring is located in the handle shell, the handle shell is a top-bent structural member, the top surface of the handle shell is provided with a notch corresponding to the rotating adjusting bolt.

[0018] The structure of the handle shell is adapted to the structure of the gas spring and the upper seat. The user can reach into the handle shell through the notch and operate the rotating adjusting bolt to adjust the operating force of the electric stacker handle.

[0019] In some embodiments of the present application, a fixed plate is fixedly installed above the handle shell, the fixed plate extends upwardly to three fixed mounting positions, the three fixed mounting positions are located in three different directions respectively, and the three fixed mounting positions on the fixed plate are connected with the handle.

[0020] In some embodiments of the present application, a transmission device is further included, the transmission device comprises a transmission shaft, the upper end of the transmission shaft is connected with a handle steering system, the lower end of the transmission shaft is connected with a driving wheel assembly, a linear spring is arranged on the transmission shaft, and the linear spring is in a compressed state.

[0021] In some embodiments of the present application, a thrust ball bearing is arranged on the upper end of the transmission shaft, an adjusting nut is arranged on the lower end of the transmission shaft, one end of the linear spring abuts against the thrust ball bearing, the other end of the linear spring abuts against the adjusting nut, and the adjusting nut can move up and down along the axial direction of the transmission shaft to change its position.

[0022] When the electric stacker runs on uneven road, the damage caused by impact may cause the electrical components such as driving wheels to be damaged. The technical solution of the application can adjust the shock absorbing effect by adjusting the adjusting nut under the linear spring, thereby reducing the damage caused by impact and improving the operation comfort of the product. At the same time, the spring in the transmission device can reduce the problem of heavy mechanical steering.

[0023] The above embodiments can be combined arbitrarily on the basis of common sense in the art. BRIEF DESCRIPTION OF DRAWINGS

[0024] The application will be further described in detail below in conjunction with the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments and therefore should not be regarded as limiting the scope of the application. In addition, unless specifically indicated, the drawings only schematically represent the composition or structure of the described objects and can include exaggerated displays, and the drawings are not necessarily drawn to scale.

[0025] Figure 1 is a structural schematic diagram of the application;

[0026] Figure 2 is a structural schematic diagram of the application;

[0027] Figure 3 is a structural schematic diagram of the handle steering system in the application;

[0028] Figure 4 is a sectional view of Figure 3

[0029] Specifically, the reference signs are as follows: 1, upper seat; 2, gas spring; 3, lower seat; 4, rotating shaft; 5, spherical structure; 6, adjusting bolt; 7, handle seat; 8, handle shell; 9, handle cover; 10, pin shaft; 11, bottom plate; 12, left mounting plate; 13, right support plate; 16, fastening screw; 17, notch; 18, fixing plate; 19, fixed mounting position; 20, handle; 21, transmission shaft; 23, linear spring; 24, thrust ball bearing; 25, adjusting nut. DETAILED DESCRIPTION

[0030] The application will be described in detail below in conjunction with the drawings.

[0031] In order to make the purpose, technical scheme and advantages of the application more clear and understandable, the application will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the application and do not limit the application.

[0032] An electric stacker, embodiment one is as Figures 1 to 4 ​As shown: including handle 20 steering system, handle 20 steering system including the upper seat 1, gas spring 2 and lower seat 3, is a structure from top to bottom in turn, simple parts constitute, structure design is reasonable and compact. The lower end of the gas spring 2 is installed on the lower seat 3 through the rotating shaft 4, that is, the gas spring 2 can swing back and forth relative to the lower seat 3 when stressed. The upper end of the gas spring 2 is a spherical structure 5, which is installed in the upper seat 1, and the spherical structure 5 can rotate in the upper seat 1 under stress, and the spherical structure 5 greatly improves the flexibility between the upper seat 1 and the gas spring 2. The upper seat 1 is provided with an adjusting bolt 6 at the top, and the adjusting bolt 6 extends into the upper seat 1 at the bottom and acts on the spherical structure 5, and rotating the adjusting bolt 6 changes the force of the adjusting bolt 6 on the spherical structure 5. That is, the operating force of the electric stacker handle 20 is adjusted. The application adopts the gas spring 2 applied to the handle 20 steering system, so that the handle 20 is straight and bent to the bottom with self-locking effect, and the user experience is better.

[0033] As shown in Embodiment Two, Figures 1 to 4 The handle 20 steering system includes a handle seat 7, a handle shell 8 and a handle cover 9, and the handle seat, the handle shell 8 and the handle cover 9 are all made of aluminum die casting. The industry handle 20 shell is basically a structure of steel plate welding and pouring steel, and the overall weight is relatively large. The application adopts the aluminum die casting handle 20 steering system shell, which specifically includes the handle seat 7, the handle shell 8 and the handle cover 9, and has the characteristics of high strength, smooth appearance, high dimensional accuracy and light weight.

[0034] The lower seat 3 is fixed on the handle seat 7, the handle shell 8 is installed on the handle seat 7, and the handle shell 8 and the handle seat 7 are connected through the pin shaft 10. The handle shell 8 can rotate around the pin shaft 10 under stress, and the pin shaft 10 is located at the rear side of the gas spring 2. The design of the handle seat 7 and the handle shell 8 of the application adapts to the connection structure of the lower seat 3 and the gas spring 2, and the insertion pin connection of the handle seat 7 and the handle shell 8 can well adapt to the movement of the gas spring 2 and the lower seat 3.

[0035] The front side of the handle shell 8 is open, and the handle cover 9 covers the opening of the handle shell 8, and the handle shell 8 and the handle cover 9 constitute an installation cavity for accommodating the upper seat 1 and the gas spring 2. In the application, the opening design of the handle shell 8 is to facilitate the installation of the handle 20 steering system and the subsequent maintenance and maintenance.

[0036] The lower base 3 includes a base plate 11, and a left mounting plate 12 and a right support plate 13 disposed above the base plate 11. A gap exists between the left mounting plate 12 and the right support plate 13 for the lower end of the gas spring 2 to be inserted. The left mounting plate has a mounting hole, and the top surface of the right support plate 13 is a semi-circular concave support surface. The mounting hole and the support surface are coaxially arranged. The rotating shaft 4 passes through the mounting hole and the lower end of the gas spring 2 in sequence and is then mounted on the support surface. This structural design facilitates the installation of the gas spring 2 and also allows for a certain range of flexibility between the gas spring 2 and the lower base 3.

[0037] The left mounting plate has a threaded hole on its surface, which is arranged radially along the mounting hole. A fastening screw 16 is installed in the threaded hole, and the end of the fastening screw 16 acts on the rotating shaft 4. Rotating the fastening screw 16 changes the force applied to the rotating shaft 4 by the fastening screw 16. By setting the fastening screw 16, the force between the lower seat 3 and the gas spring 2 is adjustable.

[0038] The gas spring 2 and the upper seat 1 are located on the same vertical plane, and there is a preset included angle between the gas spring 2 and the upper seat 1. The included angle is an obtuse angle. The upper seat 1 is fixed to the handle housing 8, and the gas spring 2 is located inside the handle housing 8. The handle housing 8 is a structural component with a bent top. A slot 17 is opened on the top surface of the handle housing 8, and the slot 17 corresponds to the rotating adjusting bolt 6. The structure of the handle housing 8 is adapted to the structure of the gas spring 2 and the upper seat 1. The user can reach into the handle housing 8 through the slot 17 to operate the rotating adjusting bolt 6, thereby adjusting the operating force of the electric stacker truck handle 20.

[0039] A fixing plate 18 is fixedly installed on the upper part of the handle shell 8. The fixing plate 18 extends upward to three fixing positions 19, which are located in three different directions. The three fixing positions 19 on the fixing plate 18 are connected to the handle 20.

[0040] The other contents of Example 2 are the same as those of Example 1.

[0041] Example 3, as Figures 1 to 2 As shown, this application also includes a transmission device, the transmission device including a transmission shaft 21 whose upper end is connected to the steering system of the handle 20, and a transmission shaft 21 whose lower end is connected to the drive wheel assembly. A linear spring 23 is sleeved on the transmission shaft 21, and the linear spring 23 is in a compressed state.

[0042] The upper end of the transmission shaft 21 is sleeved with a thrust ball bearing 24, the lower end of the transmission shaft 21 is sleeved with an adjusting nut 25, one end of a linear spring 23 abuts against the thrust ball bearing 24, the other end of the linear spring 23 abuts against the adjusting nut 25, the adjusting nut 25 can move up and down along the axial direction of the transmission shaft 21 to change the position thereof. When the electric stacker truck runs on uneven road, the damage caused by the impact can cause the damage of the driving wheel and other electrical components, the technical scheme of the application can adjust the shock absorption effect by adjusting the adjusting nut 25 under the linear spring 23. Thus, the damage caused by the impact is reduced, and the operation comfort of the product is improved. Meanwhile, the transmission device with the spring can reduce the problem of heavy mechanical steering.

[0043] The other contents of the third embodiment are the same as those of the first embodiment or the second embodiment.

[0044] The above has carried on the detailed introduction to the application, the principle and the implementation mode of the application are set forth by applying the specific example in this paper, the above embodiment is only for helping the understanding of the application and the core thought. It should be pointed out that, for the ordinary skilled in the art, on the premise of not departing from the principle of the application, the application can be improved and modified, these improvements and modifications also fall within the protection scope of the claims of the application.

Claims

1. An electric stacker, characterized in that The handle (20) steering system includes a handle seat (7), a handle shell (8) and a handle cover (9), and the handle seat (7), the handle shell (8) and the handle cover (9) are all made of aluminum die casting.

2. The electric stacker truck of claim 1, wherein, The lower seat (3) is fixed on the handle seat (7), the handle shell (8) is installed on the handle seat (7), and the handle shell (8) and the handle seat (7) are connected through a pin shaft (10), the handle shell (8) can rotate around the pin shaft (10) under stress, and the pin shaft (10) is located at the rear side of the gas spring (2).

3. The electric stacker truck of claim 2, wherein, The front side of the handle shell (8) is open, the handle cover (9) covers the opening of the handle shell (8), and the handle shell (8) and the handle cover (9) form an installation cavity for accommodating the upper seat (1) and the gas spring (2).

4. The electric stacker truck of claim 2 or 3, wherein, The lower seat (3) includes a bottom plate (11), a left mounting plate (12) and a right supporting plate (13) arranged above the bottom plate (11), there is a space between the left mounting plate (12) and the right supporting plate (13) for inserting the lower end of the gas spring (2), the left mounting plate (12) is provided with a mounting hole, the top surface of the right supporting plate (13) is provided with a semicircular concave supporting surface, the mounting hole and the supporting surface are coaxially arranged, and the rotating shaft (4) passes through the mounting hole and the lower end of the gas spring (2) in sequence and is then arranged on the supporting surface.

5. The electric stacker truck of claim 1, wherein, The surface of the left mounting plate (12) is provided with a threaded hole, the threaded hole is arranged along the radial direction of the mounting hole, a fastening screw (16) is installed on the threaded hole, the end of the fastening screw (16) acts on the rotating shaft (4), and rotating the fastening screw (16) changes the force applied to the rotating shaft (4) by the fastening screw (16).

6. The electric stacker truck of claim 5, wherein, The gas spring (2) and the upper seat (1) are located on the same vertical plane, and there is a preset included angle between the gas spring (2) and the upper seat (1), the included angle is obtuse, the upper seat (1) is fixed on the handle shell (8), the gas spring (2) is located in the handle shell (8), the handle shell (8) is a top-bent structural member, the handle shell (8) is provided with a notch (17) on the top surface, and the notch (17) corresponds to the rotating adjusting screw (6).

7. The electric stacker truck of claim 2, wherein, The handle shell (8) is fixedly installed with a fixed plate (18) above, the fixed plate (18) extends upwardly to three fixed mounting positions (19), the three fixed mounting positions (19) are located in three different directions respectively, and the three fixed mounting positions (19) on the fixed plate (18) are connected with the handle (20).

8. The electric stacker truck of claim 2, wherein, ​ 9. The electric stacker truck of claim 1, wherein, Further comprising a transmission device, the transmission device comprising a transmission shaft (21) upper end connected with the handle (20) steering system, the transmission shaft (21) lower end connected with the drive wheel assembly, the transmission shaft (21) is equipped with a linear spring (23), the linear spring (23) is in compression state.

10. The electric stacker truck of claim 9, wherein, The transmission shaft (21) upper end is equipped with a thrust ball bearing (24), the transmission shaft (21) lower end is equipped with an adjusting nut (25), one end of the linear spring (23) is in abutment with the thrust ball bearing (24), the other end of the linear spring (23) is in abutment with the adjusting nut (25), the adjusting nut (25) can move up and down along the axial direction of the transmission shaft (21) to change its position.

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