Electric power loader lifting stop device

Abstract

The utility model relates to the technical field of loading machine especially is concerned with a kind of electric loading machine lifting limiting device, its position is fixed to equipment by fixing device, equipment is conveniently and quickly installed and dismantled by connecting device, buffering is provided to limiting process by protection device, prevent equipment damage in the operation process, improve the practicality of device;Including fixing device, connecting device and protection device, connecting device is installed on fixing device, protection device is installed on fixing device.

Description

Technical Field

[0001] This utility model relates to the technical field of loaders, and in particular to a lifting limit device for an electric loader. Background Technology

[0002] Electric loaders are engineering machines that use electricity as a power source for loading and unloading bulk materials. They have significant advantages such as environmental protection, energy saving, and low noise, and are gradually changing traditional construction methods and promoting the electrification transformation of the engineering machinery industry. Electric loaders convert electrical energy into mechanical energy through an electric motor, which drives the transmission system, working device, and control system to complete tasks such as loading, unloading, and handling of materials. Their core components include an electric motor, battery pack, electronic control system, hydraulic device, and mechanical structure, replacing the internal combustion engine, gearbox, and fuel tank of traditional fuel loaders.

[0003] The existing Chinese utility model patent with application number CN201821260954.6 relates to a loader limit and anti-collision device, which includes a cover, connecting hole, detection sensor, controller, warning light and buffer block, etc., which can ensure that the frame is not impacted, thereby ensuring the service life of the frame.

[0004] However, in actual use, the above-mentioned device does not have the ability to limit the bottom of the loader boom, which can easily cause collisions with the ground during operation. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides an electric loader lifting limit device that uses a fixing device to fix the position of the equipment, a connecting device to facilitate quick installation and removal of the equipment, and a protective device to buffer the limiting process, preventing damage to the equipment during operation and improving the practicality of the device.

[0006] This utility model discloses a lifting limit device for an electric loader; it includes a fixing device, a connecting device, and a protective device. The connecting device is installed on the fixing device, and the protective device is installed on the fixing device. The fixing device fixes the position of the equipment, the connecting device facilitates quick installation and removal of the equipment, and the protective device provides a buffer during the limiting process to prevent damage to the equipment during operation, thereby improving the practicality of the device.

[0007] Preferably, the fixing device includes a loader boom, an L-shaped bracket, long bolts, nuts, and an electric cylinder. Holes are drilled at the bottom of the loader boom, and two sets of L-shaped brackets are placed on both sides of the loader boom and connected and fixed by long bolts. Nuts are welded to the bearing surface of the L-shaped brackets, and the side of the electric cylinder is connected to the nuts on the L-shaped brackets by bolts. According to the usage requirements, the position of the holes on the loader boom is adjusted, and the main body of the fixing device is installed. For installation positions that are fixed, auxiliary welding connections can be made between the L-shaped brackets and the loader boom. The L-shaped brackets and the electric cylinder are connected by bolts, which facilitates disassembly and maintenance. The electric cylinder facilitates the effective adjustment of the position of the equipment components to adapt to different working environments and ground heights, improving the practicality of the device.

[0008] Preferably, the connecting device includes a connecting groove, a main bearing column, internal threaded holes, and fixing bolts. The connecting groove is provided on the moving end of the electric cylinder, and a connecting rod is provided on the rear part of the main bearing column corresponding to the shape of the connecting groove. A set of internal threaded holes is installed on the left and right sides of the outer side of the connecting groove. The fixing bolt presses onto the main bearing column rod in the connecting groove through the internal threaded holes, thus completing the connection and fixation of the main bearing column. By connecting the connecting groove with the rod on the main bearing column, the position of the main bearing column is limited, preventing the main bearing column from rotating during operation and affecting the stability of the equipment, thereby improving the practicality of the device.

[0009] Preferably, the protective device includes a support spring, an extension rod, a force-bearing plate, and a rubber wheel. A cylindrical chamber is provided inside the main load-bearing column, and the support spring and the force-bearing plate are placed inside the chamber. One end of the support spring is connected to the force-bearing plate, and an extension rod is installed on the end of the force-bearing plate away from the support spring. The lower part of the extension rod is equipped with a rubber wheel through a bracket. The support spring provides elastic support for the force-bearing plate, thereby providing cushioning for the rubber wheel after it is compressed. The material of the rubber wheel itself reduces pressure scratches between the rubber wheel and the ground, thus improving the practicality of the device.

[0010] Preferably, the device also includes a polygonal limiting rod and a pressure sensor. A polygonal groove is provided on the upper surface of the force-bearing plate, and a polygonal limiting rod is installed on the top surface of the circular cavity of the main bearing column. The polygonal limiting rod is inserted into the polygonal groove on the force-bearing plate, and a pressure sensor is installed on the lower surface of the polygonal limiting rod. The working angle of the rubber wheel is limited by the polygonal limiting rod and the polygonal groove on the force-bearing plate to prevent the rubber wheel from rotating and affecting the stability of the equipment. When the rubber wheel is pressed and the extension rod rises, the extension rod squeezes the pressure sensor, and the pressure sensor transmits the signal to the loader controller, which improves the practicality of the device.

[0011] Preferably, it also includes a linear bearing, which is connected to the lower end face of the main bearing column; the linear bearing assists in limiting the lifting and lowering process of the extension rod, thereby improving the practicality of the device.

[0012] Preferably, it also includes a brush, with a brush provided on the lower end face of the extension rod; the brush cleans the surface of the rubber wheel, reducing the impact of debris adhering to the rubber wheel on the stability of equipment operation and improving the practicality of the device.

[0013] Preferably, a protective tube is also included, with a protective tube provided on the side of the electric cylinder; the protective tube provides protection for the data line connected to the pressure sensor, reducing the impact of bumps on the line during loader operation and improving the practicality of the device.

[0014] Compared with the prior art, the advantages of this utility model are as follows: the fixing device fixes the position of the equipment, the connecting device facilitates the quick installation and disassembly of the equipment, and the protective device provides a buffer for the limiting process, preventing damage to the equipment during operation and improving the practicality of the device. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the first isometric structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the second isometric structure of this utility model;

[0017] Figure 3 This is an exploded structural diagram of the present invention;

[0018] Figure 4 This is a cross-sectional structural diagram of the present invention;

[0019] The following are labels in the attached diagram: 1. Loader boom; 2. L-shaped bracket; 3. Long rod bolt; 4. Nut; 5. Electric cylinder; 6. Connecting groove; 7. Main load-bearing column; 8. Internal threaded hole; 9. Fixing bolt; 10. Support spring; 11. Extension rod; 12. Force-bearing plate; 13. Rubber wheel; 14. Polygonal limit rod; 15. Pressure sensor; 16. Linear bearing; 17. Brush; 18. Protective tube. Detailed Implementation

[0020] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example

[0021] Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the connecting device is installed on the fixing device, and the protective device is installed on the fixing device;

[0022] First, adjust the position of the opening on the loader boom 1 according to the usage requirements, and install the main body of the fixing device. For the fixed installation position, the L-shaped bracket 2 can be auxiliary welded to the loader boom 1. The L-shaped bracket 2 and the electric cylinder 5 are connected by bolts. Then, control the extension of the electric cylinder 5. Then, limit the position of the main body of the main bearing column 7 by connecting the connecting groove 6 to the insertion rod on the main bearing column 7. When the rubber wheel 13 is pressed and the extension rod 11 rises, the extension rod 11 squeezes the pressure sensor 15. The pressure sensor 15 transmits the signal to the loader controller. The support spring 10 provides the force plate 12 with the rebound power, which improves the practicality of the device.

[0023] The fixing device includes a loader boom 1, an L-shaped bracket 2, a long rod bolt 3, a nut 4, and an electric cylinder 5. Holes are drilled at the bottom of the loader boom 1, and two sets of L-shaped brackets 2 are placed on both sides of the loader boom 1 and connected and fixed by the long rod bolt 3. Nuts 4 are welded on the bearing surface of the L-shaped bracket 2, and the side of the electric cylinder 5 is connected to the nut on the L-shaped bracket 2 by bolts.

[0024] The connecting device includes a connecting groove 6, a main bearing column 7, an internal threaded hole 8, and a fixing bolt 9. The moving end of the electric cylinder 5 is provided with a connecting groove 6. The rear part of the main bearing column 7 is provided with a connecting rod corresponding to the shape of the connecting groove 6. A set of internal threaded holes 8 are installed on the left and right sides of the outer side of the connecting groove 6. The fixing bolt 9 presses onto the main bearing column 7 insert in the connecting groove 6 through the internal threaded hole 8 to complete the connection and fixation of the main bearing column 7.

[0025] The protective device includes a support spring 10, an extension rod 11, a force-bearing plate 12, and a rubber wheel 13. A cylindrical cavity is provided inside the main bearing column 7, and the support spring 10 and the force-bearing plate 12 are placed inside the cavity. One end of the support spring 10 is connected to the force-bearing plate 12. An extension rod 11 is installed on the end of the force-bearing plate 12 away from the support spring 10. A rubber wheel 13 is installed on the lower part of the extension rod 11 through a bracket.

[0026] It also includes a polygonal limiting rod 14 and a pressure sensor 15. A polygonal groove is provided on the upper end surface of the force-receiving plate 12. A polygonal limiting rod 14 is installed on the top end surface of the circular cavity of the main bearing column 7. The polygonal limiting rod 14 is inserted into the polygonal groove on the force-receiving plate 12. A pressure sensor 15 is installed on the lower end surface of the polygonal limiting rod 14.

[0027] It also includes a linear bearing 16, which is connected to the lower end face of the main bearing column 7;

[0028] It also includes a brush 17. The lower end face of the extension rod 11 is provided with a brush 17. The position of the equipment is fixed by a fixing device, the equipment can be quickly installed and disassembled by a connecting device, and the protective device provides a buffer for the limiting process to prevent damage to the equipment during operation, thus improving the practicality of the device.

[0029] like Figures 1 to 4 As shown, this utility model discloses an electric loader lifting limit device. During operation, the opening position on the loader boom 1 is first adjusted according to usage requirements, and the main body of the fixing device is installed. For devices with a fixed installation position, an auxiliary welding connection can be made between the L-shaped bracket 2 and the loader boom 1. The L-shaped bracket 2 and the electric cylinder 5 are connected by bolts. Then, the extension amount of the electric cylinder 5 is controlled. Next, the main body position of the main bearing column 7 is limited by the connection between the connecting groove 6 and the insert rod on the main bearing column 7. When the rubber wheel 13 is pressed by the extension rod 11 and rises, the extension rod 11 squeezes the pressure sensor 15. The pressure sensor 15 transmits a signal to the loader controller, which provides the rebound power to the force plate 12 through the support spring 10, thus improving the practicality of the device.

[0030] The electric cylinder 5 and pressure sensor 15 of the electric loader lifting limit device of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0031] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A lifting limit device for an electric loader; characterized in that, It includes a fixing device, a connecting device, and a protective device. The connecting device is installed on the fixing device, and the protective device is installed on the fixing device.

2. The lifting limit device for an electric loader as described in claim 1, characterized in that, The fixing device includes a loader boom (1), an L-shaped bracket (2), a long bolt (3), a nut (4), and an electric cylinder (5). Holes are drilled at the bottom of the loader boom (1), and two sets of L-shaped brackets (2) are placed on both sides of the loader boom (1) and connected and fixed by the long bolt (3). Nuts (4) are welded on the bearing surface of the L-shaped bracket (2), and the side of the electric cylinder (5) is connected to the nut on the L-shaped bracket (2) by bolts.

3. The lifting limit device for an electric loader as described in claim 2, characterized in that, The connecting device includes a connecting groove (6), a main bearing column (7), an internal threaded hole (8), and a fixing bolt (9). The moving end of the electric cylinder (5) is provided with a connecting groove (6). The rear part of the main bearing column (7) is provided with a connecting rod corresponding to the shape of the connecting groove (6). A set of internal threaded holes (8) are installed on the left and right sides of the outer side of the connecting groove (6). The fixing bolt (9) presses on the main bearing column (7) insert rod in the connecting groove (6) through the internal threaded hole (8) to complete the connection and fixation of the main bearing column (7).

4. The lifting limit device for an electric loader as described in claim 3, characterized in that, The protective device includes a support spring (10), an extension rod (11), a force-bearing plate (12), and a rubber wheel (13). A cylindrical chamber is provided inside the main bearing column (7), in which the support spring (10) and the force-bearing plate (12) are placed. One end of the support spring (10) is connected to the force-bearing plate (12), and an extension rod (11) is installed on the end of the force-bearing plate (12) away from the support spring (10). A rubber wheel (13) is installed on the lower part of the extension rod (11) through a bracket.

5. The lifting limit device for an electric loader as described in claim 4, characterized in that, It also includes a polygonal limit rod (14) and a pressure sensor (15). A polygonal groove is provided on the upper end surface of the force-bearing plate (12). A polygonal limit rod (14) is installed on the top surface of the circular cavity of the main bearing column (7). The polygonal limit rod (14) is inserted into the polygonal groove on the force-bearing plate (12). A pressure sensor (15) is installed on the lower end surface of the polygonal limit rod (14).

6. The lifting limit device for an electric loader as described in claim 5, characterized in that, It also includes a linear bearing (16), which is connected to the lower end face of the main bearing column (7).

7. The lifting limit device for an electric loader as described in claim 6, characterized in that, It also includes a brush (17), which is provided on the lower end face of the extension rod (11).

8. The lifting limit device for an electric loader as described in claim 7, characterized in that, It also includes a protective tube (18), which is provided on the side of the electric cylinder (5).

Images