Electricity dragging underframe structure of excavator

Abstract

The utility model provides an excavator towing chassis structure, which belongs to the technical field of excavators and comprises a towing bracket and a cable bracket, the towing bracket is welded and fixed at the front end of an excavator chassis, one end of the cable bracket is fixedly connected with the towing bracket through a bolt, and a cable take-up device is placed at the top of the other end of the cable bracket. The utility model ensures the structural stability, is convenient to mount and dismount, and is convenient for later maintenance of the motor.

Description

Technical Field

[0001] This utility model belongs to the field of excavator technology, and in particular relates to an excavator undercarriage structure with electric traction. Background Technology

[0002] With the continuous advancement of battery, fuel cell and hybrid power technologies, electric excavators have become increasingly mature in technology, with stable and reliable performance, capable of meeting various construction needs. They perform particularly well in noise-sensitive areas and during off-peak hours, and their low noise and zero exhaust emissions make them an ideal choice for these special occasions. They also have advantages such as low energy costs, low maintenance costs, superior environmental performance and efficient energy utilization.

[0003] In the prior art, patent CN105064442B discloses a power supply system for an electric excavator with a cable retractor. One side of the front bracket is fixedly connected to the rear of the lower frame of the electric excavator, and the other side is hinged to the rear bracket. The cable retractor is installed on the rear bracket, and a power supply cable is installed on the cable retractor. The power supply cable is connected to a through-hole slip ring, and supplies power to the drive motor of the electric excavator through the through-hole slip ring.

[0004] This cable winding device has the following problems:

[0005] The cable retractor is located at the rear of the vehicle. This layout is not conducive to the later maintenance of the motor. The cable bracket is welded and fixed to the base frame, which is inconvenient for installation and disassembly. The structural form is not comprehensive enough and does not take into account the coordination and optimization with the cover. Utility Model Content

[0006] In view of the defects or deficiencies in the existing technology, this utility model provides an excavator electric motor underframe structure that not only ensures structural stability but also facilitates installation and disassembly, and makes it easy to maintain the motor later.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] An embodiment of this utility model provides an excavator undercarriage structure with a power cable, including a power cable support and a cable support. The power cable support is welded and fixed to the front end of the excavator undercarriage. One end of the cable support is fixedly connected to the power cable support by bolts, and a cable winding device is placed on the top of the other end.

[0009] Furthermore, the power traction bracket includes two parallel upright plates, one end of which is welded and fixed to the front end of the excavator underframe, and the ends of the two upright plates away from the excavator underframe are connected by a rear cover plate.

[0010] Furthermore, a first through hole is provided in the middle of the rear cover plate.

[0011] Further, the top and bottom of the two side plates arranged at one end of the rear cover plate are respectively provided with an upper cover plate and a lower cover plate, and the two ends of the upper cover plate, the lower cover plate and the rear cover plate are fixedly connected with the side plates on both sides of the excavator chassis.

[0012] Further, a plurality of bolt holes are arranged on the upper cover plate and the rear cover plate.

[0013] Further, the cable support is in S shape, comprising two parallel arranged side plates, and a top plate and a bottom plate are arranged at the top and bottom of the two side plates respectively, and a plurality of inner rib plates are welded between the top plate and the bottom plate.

[0014] Further, the front end and the rear end of the two side plates are respectively connected with a front side plate and a rear side plate.

[0015] Further, a second through hole is arranged in the middle of the rear side plate, and the first through hole and the second through hole correspond to each other.

[0016] Further, a fixing plate is arranged above the rear side plate, the bottom surface of the fixing plate is fixedly welded with the two top plates at both ends, and a plurality of bolt holes are arranged on the fixing plate and the rear side plate.

[0017] Further, the plurality of bolt holes on the rear side plate correspond to the plurality of bolt holes on the rear cover plate one by one, and the plurality of bolt holes on the fixing plate correspond to the plurality of bolt holes on the upper cover plate one by one.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] 1、 the utility model discloses a cable support is fixed in the front of excavator chassis through the welding fixed cable support of excavator chassis front end, can with the traditional fixed excavator chassis rear, does not block excavator rear motor, and the convenient maintenance of motor is compared.

[0020] 2、 the utility model discloses that cable support and cable support bolt connection guarantee the stability of structure, and also convenient to install and dismount, and the maintenance is convenient, and when the rear side plate and rear cover plate bolt connection, setting up the fixed plate and being fixedly connected with the upper cover plate through the bolt, when guaranteeing the connecting strength of cable support and cable support, improve the support strength of cable support, guarantee the stability of cable support to cable take-up device support.

[0021] 3、 the utility model discloses that the cable support is set up into S shape, effectively avoids the overhead cover of excavator chassis, and the structure is more reasonable. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structure diagram of the utility model embodiment of trailing electric chassis;

[0023] Figure 2The utility model discloses a connection relation drawing of the electric cable bracket and the excavator chassis in the embodiment of the utility model,

[0024] Figure 3 The utility model discloses a cable bracket structure schematic view in the embodiment of the utility model,

[0025] Among them, 1, electric cable bracket;101, vertical board;102, back cover plate;103, first through -hole;104, upper cover plate;2, cable bracket;201, side plate;202, top plate;203, bottom plate;204, inner web plate;205, front side plate;206, rear side plate;207, fixed plate;208, crossbeam plate;3, excavator chassis;4, cable take -up device. Specific implementation

[0026] The utility model is further explained below with the accompanying drawings and embodiment.

[0027] A typical embodiment of the utility model, as Figure 1 The utility model discloses an excavator electric cable chassis structure, including electric cable bracket 1 and cable bracket 2, electric cable bracket 1 is welded fixed in excavator chassis 3 front end, and one end of cable bracket 2 is connected through bolt fixed with electric cable bracket 1, and the other end top is placed with cable take -up device 4.

[0028] As Figure 2 Electric cable bracket 1 includes two parallel vertical boards 101, and one end of the two vertical boards 101 is welded and fixed with the front end of the excavator chassis 3, and the other end of the two vertical boards 101 is connected through the back cover plate 102, the first through -hole 103 is formed in the middle of the back cover plate 102, the cable can pass through, and the top and bottom of the one end of the two vertical boards 101 are provided with the upper cover plate 104 and the lower cover plate respectively, the two ends of the upper cover plate 104, the lower cover plate and the back cover plate 102 are fixedly connected with the side plates of the excavator chassis 3, so that the stability of the connection between the electric cable bracket 1 and the excavator chassis 3 is ensured, and a plurality of bolt holes are formed in the upper cover plate 104 and the back cover plate 102, which are used for connecting the cable bracket 2 through bolts.

[0029] The electric cable bracket 1 is welded and fixed at the front end of the excavator chassis 3, so that the cable take -up device 4 can be fixed in front of the excavator chassis 3, compared with the traditional fixing in the rear of the excavator chassis 3, the rear motor of the excavator is not blocked, and the motor is convenient to overhaul.

[0030] One end of the cable bracket 2 is connected with the electric cable bracket 1 through bolts, as Figure 3As shown, the cable support 2 is S-shaped, which can effectively avoid the covering member above the excavator chassis 3. Specifically, the cable support 2 comprises two parallel side plates 201, and top plates 202 and bottom plates 203 are arranged at the top and bottom of the two side plates 201 respectively, and a plurality of inner rib plates 204 are arranged between the top plates 202 and the bottom plates 203, thereby enhancing the structural strength of the two side plates of the cable support 2.

[0031] The front end and the rear end of the two side plates 201 are respectively connected with a front side plate 205 and a rear side plate 206, wherein a second through hole is formed in the middle of the rear side plate 206, and the first through hole 103 corresponds to the second through hole, thereby facilitating the cable to pass through.

[0032] A fixing plate 207 is arranged above the rear side plate 206, the bottom surface of the fixing plate 207 is welded and fixed with the two top plates 202 at both ends, a plurality of bolt holes are formed in the fixing plate 207 and the rear side plate 206, the plurality of bolt holes in the rear side plate 206 correspond to the plurality of bolt holes in the rear cover plate 102 one by one, and the plurality of bolt holes in the fixing plate 207 correspond to the plurality of bolt holes in the upper cover plate 104 one by one, the rear side plate 206 and the rear cover plate 102 are connected by bolts, and the fixing plate 207 and the upper cover plate 104 are connected by bolts, thereby realizing the bolt connection between the cable support 2 and the power cable support 1, which not only ensures the stability of the structure, but also facilitates the installation and disassembly, and facilitates the maintenance.

[0033] While the rear side plate 206 and the rear cover plate 102 are bolted, the fixing plate 207 is fixedly connected with the upper cover plate 104 by bolts, which not only ensures the connection strength of the power cable support 1 and the cable support 2, but also improves the supporting strength of the cable support 2, thereby ensuring the stability of the cable support 2 supporting the cable take-up device 4.

[0034] In order to further improve the structural strength of the cable support 2, a plurality of cross beam plates 208 are arranged between the two side plates 201, and the plurality of cross beam plates 208 are arranged at the bending portions of the cable support 2, so as to ensure the structural strength of the bending portions of the cable support 2 and avoid the breakage of the cable support 2 at the bending portions.

[0035] The top of the end of the cable support 2 away from the power cable support 1 is provided with the cable take-up device 4, and the cable take-up device 4 is a common cable take-up device on the market, which is used for storing cables and preventing the phenomenon of crushing cables and poor winding of cables.

[0036] The utility model discloses a power cable support is welded and is fixed at the front end of excavator chassis, effectively avoids the cable take-up device to the shielding of excavator motor, and the convenient maintenance of excavator motor is carried out, in addition, through the bolt connection of power cable support and cable support, the structural stability is guaranteed, and the installation and disassembly are convenient, and the maintenance of cable take-up device is convenient.

[0037] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A dragline undercarriage structure, characterized by, The utility model relates to a cable dragging support and cable support, the cable dragging support is welded and fixed at the front end of the excavator chassis, one end of the cable support is fixedly connected with the cable dragging support through bolts, and the other end top is provided with a cable winding device.

2. The excavator towed undercarriage structure of claim 1, wherein, The cable dragging support comprises two vertical plates arranged in parallel, one end of the two vertical plates is welded and fixed with the front end of the excavator chassis, and the other end of the two vertical plates is connected through a rear cover plate.

3. A dragline undercarriage structure as claimed in claim 2, wherein, A first through hole is formed in the middle of the rear cover plate.

4. A dragline undercarriage structure as claimed in claim 3 wherein, The top and bottom of one end of the rear cover plate are respectively provided with an upper cover plate and a lower cover plate, and the two ends of the upper cover plate, the lower cover plate and the rear cover plate are fixedly connected with the side plates of the excavator chassis.

5. A dragline undercarriage structure as claimed in claim 4 wherein, A plurality of bolt holes are formed in the upper cover plate and the rear cover plate.

6. A dragline undercarriage structure as claimed in claim 5 wherein, The cable support is S-shaped, comprising two side plates arranged in parallel, top plates and bottom plates are respectively arranged at the top and bottom of the two side plates, and a plurality of inner rib plates are welded between the top plates and the bottom plates.

7. A dragline undercarriage structure as claimed in claim 6 wherein, The front end and the rear end of the two side plates are respectively connected with front side plates and rear side plates.

8. A dragline undercarriage structure as claimed in claim 7, wherein, A second through hole is formed in the middle of the rear side plate, and the first through hole and the second through hole correspond to each other.

9. The excavator draw-electric chassis structure of claim 7, wherein, A fixing plate is arranged above the rear side plate, the bottom surface of the fixing plate is welded and fixed with the two top plates at both ends, and a plurality of bolt holes are formed in the fixing plate and the rear side plate.

10. A dragline undercarriage structure as claimed in claim 9, wherein, The plurality of bolt holes in the rear side plate correspond to the plurality of bolt holes in the rear cover plate one by one, and the plurality of bolt holes in the fixing plate correspond to the plurality of bolt holes in the upper cover plate one by one.

Images