Novel travel motor mounting bracket assembly of large excavator

Abstract

The utility model relates to a novel travel motor mounting bracket assembly of a large excavator, which comprises a travel motor mounting bracket and a sealing plate assembly, the travel motor mounting bracket comprises a vertically arranged motor fixing plate, an upper plate is arranged at the upper end of the motor fixing plate, a vertical plate is arranged at the front end of the motor fixing plate, and an annular protective plate is arranged at the rear end of the motor fixing plate; a lower plate is arranged below the motor fixing plate; the upper plate, the annular protective plate and the lower plate are provided with at least seven fixing seats on the outer side of the motor fixing plate, the fixing seats are provided with threaded holes, and the sealing plate assembly is connected with the fixing seats through bolts and gaskets; a wire passing groove is formed in the part, outside the motor fixing plate, of the vertical plate; a protective reinforcing plate is arranged at the bottom of the lower plate; the outer end of the protective reinforcing plate exceeds the outer end of the lower plate; and at least three protection blocks are arranged on the outer ring surface of the annular protection plate. The utility model is suitable for special machine type crawler frames such as mine type excavators and forestry excavators, and meets the requirements of severe and complex landform working conditions and environments.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering machinery, in particular to a new travel motor mounting bracket assembly for a large excavator. Background Art

[0002] The travel motor mounting bracket assembly of the left and right travel frames of the crawler frame of the excavator is used to support, fix and protect the travel motor. The travel motor drives the sprocket to drive the crawler assembly to rotate around the track of the "four wheels and one belt" layout. The structure of the travel motor mounting bracket determines the overall performance of the crawler frame, especially for large excavator products, whose working scenes are mainly mines with harsh working environments. The structure, strength and protection level of the travel motor mounting bracket assembly in the travel frame need to be improved urgently. Utility Model Content

[0003] In view of the above-mentioned defects in the prior art, the purpose of the utility model is to provide a new travel motor mounting bracket assembly for a large excavator.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A new travel motor mounting bracket assembly for a large excavator comprises a travel motor mounting bracket and a sealing plate assembly, wherein the travel motor mounting bracket comprises a vertically arranged motor fixing plate, an upper plate is arranged at the upper end of the motor fixing plate, a vertical plate is arranged at the front end of the motor fixing plate, an annular guard plate is arranged at the rear end of the motor fixing plate, and a lower plate is arranged at the lower end of the motor fixing plate; at least seven fixing seats are arranged on the outer side of the motor fixing plate, the fixing seats are arranged with threaded holes, and the sealing plate assembly is connected to the fixing seats by bolts and washers; a wire passing groove is arranged on the outer side of the motor fixing plate of the vertical plate; a protective reinforcement plate is arranged at the bottom of the lower plate, and the outer end of the protective reinforcement plate exceeds the outer end of the lower plate; a protective block is arranged on the outer ring surface of the annular guard plate, and the number of the protective blocks is at least three.

[0006] Furthermore, the upper plate is provided with at least two fixing seats, the annular guard plate is provided with at least three fixing seats, and the lower plate is provided with at least two fixing seats, for a total of at least seven fixing seats.

[0007] Furthermore, a protruding traction hole is provided at the outer end of the upper plate, and a protruding lifting hole is provided at the outer end of the vertical plate.

[0008] Furthermore, the peripheries of the traction hole and the hoisting hole are transitioned with a large arc.

[0009] Furthermore, the upper plate, the vertical plate, the lower plate and the annular guard plate are connected in pairs by welding.

[0010] Specifically, the upper plate is provided with a first groove, and the vertical plate is provided with a second groove, so that the upper plate and the vertical plate are welded and fused at the first groove and the second groove;

[0011] Specifically, the upper plate is provided with a thinned portion C, so that the upper plate can be butt-welded to the annular guard plates of different thicknesses at the thinned portion C.

[0012] Furthermore, the sealing plate assembly includes a sealing plate and a pasting plate;

[0013] Specifically, the sealing plate is provided with a notch corresponding to the bolt and having a diameter larger than the bolt head;

[0014] Specifically, the plate is welded to the inner side of the notch, and the plate is provided with bolt holes;

[0015] Specifically, the number of the bolts, slots and mounting plates is consistent, and the bolt holes correspond to the fixing seats one by one.

[0016] Furthermore, at least two pedals are welded on the outer side of the sealing plate, the pedals are arranged in a slope shape, the pedal area of ​​the pedals is designed to be sawtooth-shaped, and the pedals are provided with grip holes.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. The utility model adds a protective reinforcement plate at the bottom of the travel motor mounting bracket assembly, which enhances its own protection and improves the overall strength and rigidity of the structure; adds traction holes and hoisting holes to facilitate the manufacturing, welding, hoisting and flipping of the crawler frame, and facilitates the lifting of the entire machine and traction and rescue when it is stuck in the mud.

[0019] 2. A protective block is set on the annular guard plate of the travel motor mounting bracket to prevent hard materials from damaging the track and drive wheel, while its own strength is further improved.

[0020] 3. The bolt heads in the sealing plate assembly are embedded, which further enhances the protection of the bolt heads, especially in harsh environments such as mines. The footrests are humanely arranged on the sealing plate assembly, which is very convenient for personnel to climb and perform related operations. The footrests are provided with grip holes to facilitate personnel to install and disassemble the sealing plate assembly, and are also conducive to mud removal.

[0021] 4. This travel motor mounting bracket assembly is very suitable for special crawler frames such as mining excavators and forestry excavators. It can meet the requirements of harsh and complex terrain conditions and environments, and has wide application and promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the left traveling frame of a large excavator using the utility model;

[0023] Figure 2This is a structural schematic diagram of a new travel motor mounting bracket assembly for a large excavator according to the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the travel motor mounting bracket in the utility model;

[0025] Figure 4 It is a structural schematic diagram of the protective reinforcement plate in the utility model;

[0026] Figure 5 It is a structural schematic diagram of the protective block in the utility model;

[0027] Figure 6 It is a structural schematic diagram of the upper plate in the utility model;

[0028] Figure 7 It is a structural schematic diagram of the vertical plate in the utility model;

[0029] Figure 8 It is a structural schematic diagram of the sealing plate assembly in the utility model.

[0030] In the figure: 1. Travel motor mounting bracket assembly; 2. Travel motor; 3. Sprocket; 4. Track assembly; 5. Travel motor mounting bracket; 6. Sealing plate assembly; 7. Washer; 8. Bolt; 9. Protective reinforcement plate; 10. Fixed seat; 11. Upper plate; 12. Vertical plate; 13. Guard block; 14. Annular guard plate; 15. Motor fixing plate; 16. Lower plate; 17. Sealing plate; 18. Foot pedal; 19. Paste plate. DETAILED DESCRIPTION

[0031] 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.

[0032] The utility model provides a novel travel motor mounting bracket assembly for a large excavator.

[0033] Large excavators work in mines. The travel motor mounting bracket assembly of conventional crawler frames is limited by operating conditions, topography and other factors, and it is difficult to meet usage requirements. In view of the current situation that the travel motor mounting bracket assembly has weak protection, poor structural strength, and is inconvenient for lifting and towing, upgrades and optimizations are carried out.

[0034] The left crawler frame is similar to the right crawler frame. Here we only take the left crawler frame as an example. The left crawler motor mounting bracket assembly is arranged at the tail of the left crawler frame to support and fix the crawler motor 2 to ensure that the crawler assembly runs normally and stably according to the established track. Figure 1 shown.

[0035] like Figures 2 to 8 As shown, the upgraded travel motor mounting bracket assembly 1 includes a travel motor mounting bracket 5 and a sealing plate assembly 6. The travel motor mounting bracket 5 includes a vertically arranged motor fixing plate 15, an upper plate 11 is arranged on the upper end of the motor fixing plate 15, a vertical plate 12 is arranged at the front end of the motor fixing plate 15, an annular guard plate 14 is arranged at the rear end of the motor fixing plate 15, and a lower plate 16 is arranged at the lower end of the motor fixing plate 15. The upper plate 11, the annular guard plate 14 and the lower plate 16 are provided with at least seven fixing seats 10 on the outer side of the motor fixing plate 15, and the fixing seats 10 are provided with threaded holes. The sealing plate assembly 6 is connected to the fixing seats 10 by bolts 8 and washers 7. The vertical plate 12 is provided with a wire groove on the outer part of the motor fixing plate 15 for passing through the hydraulic pipeline connecting the travel motor and the central swivel joint. The sharp corner part of the wire groove is in an arc transition to prevent the sharp corner from damaging the hydraulic pipeline and avoid stress concentration at the sharp corner.

[0036] The travel motor 2 is connected to the motor fixing plate 15 through the end surface and the stopper, and is fastened with bolts and washers. The hydraulic pipeline of the travel motor 2 passes through the wire groove of the vertical plate 12.

[0037] The vertical plate 12 is used to be connected to the walking frame.

[0038] Specifically, the upper plate 11 is provided with at least two fixing seats 10, the annular guard plate 14 is provided with at least three fixing seats 10, and the lower plate is provided with at least two fixing seats 10, for a total of at least seven fixing seats 10, and the fixing seats 10 are provided by welding.

[0039] Furthermore, a protective reinforcing plate 9 is added to the lower part of the lower plate 16 to protect the lower plate 16, and the outer end of the protective reinforcing plate 9 exceeds the outer end of the lower plate 16. First, it is more conducive to protecting the lower part of the sealing plate assembly 6 and the fixing bolts 8 to prevent the lower part of the sealing plate assembly 6 from being damaged by hard materials such as stones; second, it is used to protect the bottom of the travel motor mounting bracket 5 to prevent the bottom of the travel motor mounting bracket 5 from being damaged by hard materials such as stones, prevent its bottom from being worn, and extend its service life cycle, especially in harsh environments such as mines and forests. Its importance is particularly prominent; third, once the protective reinforcing plate 9 is seriously damaged due to harsh scenes, it is convenient for updating and maintenance; fourth, because the conventional running track of the crawler assembly is counterclockwise, the protective reinforcing plate 9 is added to the lower part of the lower plate 16 to play a reinforcing role, enhance the strength and rigidity of the bottom of the travel motor mounting bracket 5, so as to improve its overall mechanical properties, especially in harsh working environments, when the travel motor is running at low speed and instantaneous power, it will not cause vibration, so as not to affect the stability of the whole machine.

[0040] Furthermore, a protective block 13 is arranged on the outer ring surface of the annular guard plate 14, and the number of the protective blocks 13 is at least three; because the crawler of the excavator generally moves in a circle in the counterclockwise direction, in order to prevent stones, soil and other debris from entering the upper part of the walking frame, at least three protective blocks 13 are arranged in sequence to successively prevent dirt, stones and other debris from being brought to the upper part of the walking frame by the crawler, so as to prevent hard materials such as stones from damaging the crawler and sprocket 3. In severe cases, large pieces of hard materials cause the track pin to disengage from the sprocket 3, causing the crawler to derail; on the other hand, the protective block 13 is equivalent to a reinforcing rib, which strengthens the annular guard plate 14 connected thereto, thereby further improving the strength of the travel motor mounting bracket 5.

[0041] Furthermore, a protruding traction hole D is provided at the outer end of the upper plate 11, and a protruding lifting hole F is provided at the outer end of the vertical plate 12; the traction hole D and the lifting hole F are added to the travel motor mounting bracket 5, firstly, it is convenient for the crawler frame welded parts to be lifted and turned during the manufacturing assembly welding, secondly, it is suitable for lifting the entire excavator, and thirdly, when the excavator is stuck in mud, it can be used as a rescue traction hole.

[0042] Specifically, the outer periphery of the traction hole D and the lifting hole F adopts a large arc transition, which is equivalent to a reinforcing rib, further strengthening the traction hole D and the lifting hole F to ensure that they have sufficient strength and load-bearing capacity during traction and lifting.

[0043] Furthermore, the upper plate 11, the vertical plate 12, the lower plate 16, and the annular guard plate 14 are connected to each other by welding. The upper plate 11 is provided with a first groove B, and the vertical plate 12 is provided with a second groove H, so that the upper plate 11 and the vertical plate 12 are welded and fused at the first groove B and the second groove H, and the structure is more solid. The upper plate 11 is provided with a thinned portion C, so that the upper plate 11 is welded and connected to the annular guard plate 14 of different thicknesses at the thinned portion C, so as to facilitate buffering and stress release.

[0044] Furthermore, the sealing plate assembly 6 includes a sealing plate 17 and a plate 19. The sealing plate 17 is arranged to correspond to the bolt 8, and the diameter is larger than the notch of the head of the bolt 8. The plate 19 is welded on the inner side of the notch. The plate 19 is provided with bolt holes. The number of the bolts 8, the notch and the plate 19 is the same, and the bolt holes correspond to the fixing seat 10 one by one. On the one hand, the sealing plate assembly 6 can bury the head of the bolt 8 in the sealing plate 17, and the embedded structure, such as Figure 8 As shown at Z, the bolt head is protected from scratching. On the other hand, the inner side of the sealing plate is welded with a plate 19, as shown in FIG. Figure 8 As shown at Y, the inner side Q surface of the plate 19 is easily in full contact with the outer side A surface 10 of the fixing seat, ensuring that the bolt 8 can fully fasten the plate 19 part of the sealing plate assembly 6 with the internal fixing seat 10 of the travel motor mounting bracket 5.

[0045] Furthermore, at least two pedals 18 are welded on the outside of the sealing plate 17. The pedals 18 are arranged in a slope shape. For large excavators, since the crawler frame is relatively high, pedals 18 are provided to facilitate personnel to climb and perform related operations. The pedal area of ​​the pedal 18 is designed to be serrated to increase climbing friction and improve the safety and reliability of the operator. Since the sealing plate assembly 6 is relatively heavy, a grip hole is provided on the pedal 18 so that the pedal 18 acts as a handle, which is convenient for the hand to grasp the pedal 18 to assist in the installation and removal of the sealing plate assembly.

[0046] The upgraded travel motor mounting bracket assembly 5 has a first groove B reasonably set on the upper plate 11, and a second groove H reasonably set on the vertical plate 12, which is convenient for welding and fusion; the thick plate is thinned at the connection welding point where the plate thickness is greatly different, which is convenient for buffering and stress release. A protective reinforcement plate 9 is added to the bottom to enhance its own protection and improve its overall structural strength and rigidity; the traction hole D hole and the hoisting hole F hole are added to facilitate the manufacturing, welding, hoisting and flipping of the crawler frame, and to facilitate the lifting of the whole machine and towing and rescue when it is stuck in the mud; a protective block 13 is set on the annular guard plate 14 of the travel motor mounting bracket 5 to prevent hard materials from damaging the crawler and drive wheel, and at the same time its own strength is further improved. The bolt head layout in the closing plate assembly 6 adopts an embedded type, which further enhances the protection of the bolt head, especially in harsh environments such as mines; the footrest 18 is humanized on the closing plate assembly 6, which is very convenient for personnel to climb and assist in installation and disassembly. This travel motor mounting bracket assembly is very suitable for crawler frames of special models such as mining excavators and forestry excavators. It can meet the requirements of harsh and complex terrain conditions and environments, and has wide application and promotion value.

[0047] All components and connection methods of components not discussed in this application belong to the known technologies in this technical field and can be directly applied without further explanation.

[0048] In the present invention, the term "plurality" means two or more than two, unless otherwise clearly defined. The terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0049] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by terms such as "up", "down", "left", "right", "front" and "back" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation, and therefore, cannot be understood as a limitation on the present invention.

[0050] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0051] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A new travel motor mounting bracket assembly for a large excavator, comprising a travel motor mounting bracket and a sealing plate assembly, characterized in that: The travel motor mounting bracket comprises a vertically arranged motor fixing plate, an upper plate is arranged at the upper end of the motor fixing plate, a vertical plate is arranged at the front end of the motor fixing plate, an annular guard plate is arranged at the rear end of the motor fixing plate, and a lower plate is arranged at the lower end of the motor fixing plate; The upper plate, the annular guard plate, and the lower plate are provided with at least seven fixing seats on the outer side of the motor fixing plate, the fixing seats are provided with threaded holes, and the sealing plate assembly is connected to the fixing seats by bolts and washers; The vertical plate is provided with a wire groove on the outer side of the motor fixing plate, and the sharp corner of the wire groove has an arc transition; A protective reinforcement plate is provided at the bottom of the lower plate, and the outer end of the protective reinforcement plate exceeds the outer end of the lower plate; Guard blocks are arranged on the outer annular surface of the annular guard plate, and the number of the guard blocks is at least three.

2. A new type of travel motor mounting bracket assembly for a large excavator according to claim 1, characterized in that: The upper plate is provided with at least two fixing seats, the annular guard plate is provided with at least three fixing seats, and the lower plate is provided with at least two fixing seats, for a total of at least seven fixing seats.

3. The new travel motor mounting bracket assembly for a large excavator according to claim 1 is characterized in that: The outer end of the upper plate is provided with a protruding traction hole, and the outer end of the vertical plate is provided with a protruding hoisting hole.

4. The new travel motor mounting bracket assembly for a large excavator according to claim 1 is characterized in that: The upper plate, the vertical plate, the lower plate and the annular guard plate are connected in pairs by welding; The upper plate is provided with a first groove, and the vertical plate is provided with a second groove, so that the upper plate and the vertical plate are conveniently welded and fused at the first groove and the second groove; The upper plate is provided with a thinned portion C, so that the upper plate can be butt-welded to the annular guard plates of different thicknesses at the thinned portion C.

5. The new travel motor mounting bracket assembly for a large excavator according to claim 1 is characterized in that: The sealing plate assembly includes a sealing plate and a pasting plate; The sealing plate is provided with a notch corresponding to the bolt and having a diameter larger than the bolt head; The plate is welded to the inner side of the notch, and the plate is provided with bolt holes; The number of the bolts, notches and mounting plates is consistent, and the bolt holes correspond to the fixing seats one by one.

6. A new type of travel motor mounting bracket assembly for a large excavator according to claim 5, characterized in that: At least two pedals are welded on the outer side of the sealing plate. The pedals are arranged in a slope shape. The pedal area of ​​the pedals is designed to be sawtooth-shaped. The pedals are provided with grip holes.

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