CN213233577U

CN213233577U - Underground wheel type four-wheel drive explosion-proof excavator

Info

Publication number: CN213233577U
Application number: CN202020268100.3U
Authority: CN
Inventors: 王洪全; 董世升; 杨中立; 郭佳朋
Original assignee: JIANGSU TIANMEI ELECTROMECHANICAL TECHNOLOGY CO LTD
Current assignee: JIANGSU TIANMEI ELECTROMECHANICAL TECHNOLOGY CO LTD
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2021-05-18
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses an explosion-proof excavator of wheeled four wheel drive in pit, including the excavator including platform assembly, walking drive assembly and electrical system, be connected with operating device on the excavator, operating device includes three sections arms, three sections arms include forearm, well arm and postbrachium, well arm is rotatable, platform assembly includes engine assembly and annex, engine assembly includes explosion-proof engine, fin, gas holder, diesel tank, hydraulic pump, washing case, hydraulic tank and valves, the fin is installed in explosion-proof engine front side, the hydraulic pump is installed in the engine rear side, the annex includes lighting fixture, miner's lamp, driving seat, accelerator pedal, steering wheel, shift handle, rotary drive motor and hydraulic pressure manual brake; the utility model provides an explosion-proof excavator is driven to wheeled four in pit adopts explosion-proof engine as the power supply, is suitable for explosion environment in the pit, can realize the requirement of the nimble high efficiency of mining excavator, multiplex condition operation, and the dependable performance, the suitability is strong, improves mine operating efficiency by a wide margin.

Description

Underground wheel type four-wheel drive explosion-proof excavator

Technical Field

The utility model relates to an excavator technical field for the coal mine especially relates to an explosion-proof excavator is driven to wheeled four in pit.

Background

The existing mining excavator utilizes an external cable to obtain mine power as a power source, one person must be arranged behind the excavator to nurse the excavator to prevent the excavator from retreating and rolling a cable, and the excavator needs rear personnel to slowly lay the cable when moving forward to prevent the cable from being dragged.

In the construction process of the existing mining excavator, construction dead angles are always left at the positions of two sides of the excavator, the excavator is usually moved or retreated or is manually piled for trimming, and the manpower, material resources and financial resources are wasted due to repeated construction.

The existing mining excavator chassis is integrated, turns by means of unilateral stopping and unilateral walking, needs large site space, has torsional destructive power on the chassis, and has higher requirements on structural welding seams.

Therefore, in order to solve the technical problems, a downhole wheel type four-wheel drive explosion-proof excavator is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a wheeled four-wheel drive explosion-proof excavator in pit, it can realize the requirement of the nimble high efficiency of mining excavator, multiplex condition operation, the dependable performance, and the suitability is strong, improves mine operating efficiency by a wide margin.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

the utility model provides an explosion-proof excavator of wheeled four wheel drive in pit, the excavator includes platform assembly, walking drive assembly and electrical system, be connected with operating mechanism on the excavator, operating mechanism includes three sections arms, three sections arms include forearm, well arm and postbrachium, well arm is rotatable, the platform assembly includes engine assembly and annex.

As a further improvement, the engine assembly comprises an explosion-proof engine, a radiator, a gas storage tank, a diesel oil tank, a hydraulic pump, a water washing tank, a hydraulic oil tank and a valve group, the radiator is arranged on the front side of the explosion-proof engine, and the hydraulic pump is arranged on the rear side of the explosion-proof engine.

As a further improvement of the utility model, the accessories include lighting fixture, miner's lamp, driving seat, accelerator pedal, steering wheel, shift handle, swing motor and hydraulic pressure manual brake.

As a further improvement of the utility model, driver's seat installs in the radiator front side, steering wheel and accelerator pedal are located driver's seat front side, driver's seat right side is the handle of shifting, the diesel tank is located driver's seat incline, the hydraulic pressure manual brake is located driver's seat left side downside, the gas holder is located the accelerator pedal downside, the washing case is located the hydraulic pump front side, the hydraulic tank is located washing case front side, the valves is installed in the hydraulic tank front side.

As a further improvement, the platform assembly is provided with a transmission motor in the middle, and the rotary motor is arranged at the lower right side of the transmission motor.

As a further improvement, the lower side meshing of the transmission motor is connected with the gearbox, the meshing of the rotary motor is connected with the rotary support, and the rotary support is connected with the upper platform and the rotary seat.

As a further improvement of the utility model, the travel drive assembly includes reversing bar, front drive wheel, preceding tire, gearbox, frame, back drive wheel, back tire, vehicle frame connecting plate, back transaxle, back brake jar, back brake transmission shaft, back brake disc, back drive shaft, front drive shaft, preceding brake disc, preceding brake transmission shaft, preceding brake jar, front drive axle.

As a further improvement, the frame is connected with front drive axle and rear drive axle, front drive shaft connects between gearbox front end and front drive axle, rear drive shaft connects between gearbox rear end and rear drive axle, front drive axle and front drive axle hinged joint, reversing bar and front drive wheel hinged joint, preceding brake cylinder installs the both sides at front drive axle, preceding brake cylinder is used for controlling preceding brake transmission shaft and preceding brake disc contact brake, rear brake cylinder installs in rear drive axle both sides, rear brake cylinder is used for controlling rear brake transmission shaft and rear brake disc contact brake.

As a further improvement, the front brake disc and the rear brake disc are internally provided with oil immersed wet brake structures.

As the utility model discloses a further improvement, rotary motor supports the hanging wall with the gyration and forms the inner gearing and is connected, drive motor carries out central inner gearing with the gearbox and is connected, rotary motor is hydraulic system control with drive motor.

The utility model has the advantages that:

1. the three-section arm structure is adopted, the middle arm can rotate and is in 360-degree rotation fit with the platform, and 360-degree dead-corner-free operation in space is realized;

2. the power adopts an explosion-proof engine, is suitable for the underground explosion environment, adopts a gas starting mode, and has stable, efficient and safe starting;

3. the chassis double-bridge four-wheel drive structure is adopted, the twisting power is strong, and the coal rock soil pile and the inclined roadway curve can smoothly pass through the chassis double-bridge four-wheel drive structure when encountering a slurry water pit, a bottom drum, a coal rock soil pile and the inclined roadway curve;

4. the front-mounted dozer blade can clean a roadway bottom plate, stabilize a vehicle body and perform slope supporting operation in an inclined roadway.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a downhole wheel type four-wheel drive explosion-proof excavator according to an embodiment of the present invention;

fig. 2 is a front view of a downhole wheel type four-wheel drive explosion-proof excavator according to an embodiment of the present invention;

fig. 3 is a partial top view of a downhole wheeled four-wheel drive explosion-proof excavator according to an embodiment of the present invention;

fig. 4 is a partial cross-sectional view of a downhole wheeled four-wheel drive explosion-proof excavator according to an embodiment of the present invention;

fig. 5 is a schematic view of a two-section arm working mechanism of a downhole wheel type four-wheel drive explosion-proof excavator according to an embodiment of the present invention.

In the figure: 101. the device comprises a steering wheel, 102, an accelerator pedal, 103, a gear shifting handle, 104, a valve bank, 105, a hydraulic oil tank, 106, a water washing tank, 107, a hydraulic pump, 108, a rotary motor, 109, an explosion-proof engine, 110, a radiator, 111, a transmission motor, 112, a hydraulic hand brake, 113, an upper platform, 114 and a crescent counterweight type air storage tank;

1. the steering mechanism comprises a reversing rod, 2, a front driving wheel, 3, a front tire, 4, a gearbox, 5, a frame, 6, a rear driving wheel, 7, a rear tire, 8, a frame connecting plate, 9, a rear driving axle, 10, a rear brake cylinder, 11, a rear brake transmission shaft, 12, a rear brake disc, 13, a rear driving shaft, 14, a front driving shaft, 15, a front brake disc, 16, a front brake transmission shaft, 17, a front brake cylinder, 18, a front driving axle, 21, a rotary seat, 22 and a rotary support.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

In the various figures of the present invention, certain dimensions of structures or portions are exaggerated relative to other structures or portions for ease of illustration, and thus, are used only to illustrate the basic structure of the subject matter of the present invention.

Terms such as "left", "right", and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "to the right" of other elements or features would then be oriented "to the left" of the other elements or features. Thus, the exemplary term "right side" may encompass both left and right orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1 to 5, in an embodiment of the present invention, a downhole wheel type four-wheel drive explosion-proof excavator includes a platform assembly, a walking drive assembly, and an electrical system; the platform assembly comprises an engine assembly and accessories;

the engine assembly comprises an explosion-proof engine 109, a radiator 110, an air storage tank, a diesel oil tank, a water washing tank 106, a hydraulic oil tank 105, a valve group 104 and the like; the accessories comprise a lamp bracket, a miner lamp, a driving seat, an accelerator pedal 102, a steering wheel 101, a gear shifting handle 103, a rotary motor 108, a hydraulic hand brake 112 and the like;

the radiator 110 is arranged on the front side of the explosion-proof engine 109, the hydraulic pump 107 is arranged on the rear side of the explosion-proof engine 109, the driving seat is arranged on the front side of the radiator 110, the steering wheel 101, the accelerator pedal 102 and the operating handle are arranged on the front side of the driving seat, the gear shifting handle 103 is arranged on the right side of the driving seat, the diesel oil tank is arranged on the lower side of the driving seat, the hydraulic hand brake 112 is arranged on the lower left side of the driving seat, and the air storage tank; a water washing tank 106 is arranged on the front side of the hydraulic pump 107, a hydraulic oil tank 105 is arranged on the front side of the water washing tank 106, the valve bank 104 is arranged on the front side of the hydraulic oil tank 105, the transmission motor 111 is arranged in the middle of the platform assembly, and the rotary motor 108 is arranged on the lower right side of the transmission motor 111;

the explosion-proof engine 109 is a machine that converts chemical energy into mechanical energy, can be used in an explosive gas environment, and does not ignite ambient gas; the radiator 110 is used for more effectively transmitting the heat generated by the explosion-proof engine 109 to the radiator 110 and then sending the heat to the ambient air through the radiator 110; the gas in the gas storage tank is used as a starting mode of the explosion-proof engine 109; the water washing tank 106 has the functions of filtering oil smoke, cooling and exhausting smoke pipelines, and prevents the smoke sprayed by the engine from having flames and preventing the pipe wall from overheating; the transmission motor 111 is meshed with the lower side gearbox 4, the rotary motor 108 is matched with a disc gear on the rotary support 22, the upper disc of the rotary support 22 is connected with the upper platform 113, the lower disc of the rotary support 22 is connected with the rotary seat 21, and the rotary seat 21 and the frame 5 form an integral structural part;

the walking drive assembly comprises a reversing rod 1, a front drive wheel 2, a front tire 3, a gearbox 4, a frame 5, a rear drive wheel 6, a rear tire 7, a frame connecting plate 8, a rear drive axle 9, a rear brake cylinder 10, a rear brake transmission shaft 11, a rear brake disc 12, a rear drive shaft 13, a front drive shaft 14, a front brake disc 15, a front brake transmission shaft 16, a front brake cylinder 17 and a front drive axle 18;

the frame 5 is connected with a front drive axle 18 and a rear drive axle 9, a front drive shaft 14 is connected with the front end of a gearbox 4 and the front drive axle 18, a rear drive shaft 13 is connected with the rear end of the gearbox 4 and the rear drive axle 9, a front drive wheel 2 is hinged with the front drive axle 18, a reversing rod 1 is hinged with the front drive wheel 2, front brake cylinders 17 are installed on two sides of the front drive axle 18, a front brake transmission shaft 16 is controlled to be in contact with a front brake disc 15 for braking, an oil immersion wet type brake structure is arranged in the front brake disc 15, rear brake cylinders 10 are installed on two sides of the rear drive axle 9, a rear brake transmission shaft 11 is controlled to be in contact with a rear brake disc 12 for braking, and an oil immersion wet type brake structure is.

The rotary motor 108 mounted on the upper platform 113 is in inner engagement with the upper disc of the rotary support 22, the transmission motor 111 is in central inner engagement with the gear box 4, and both the rotary motor 108 and the transmission motor 111 are controlled by a hydraulic system. The accelerator pedal 102 adjusts the rotation speed of the hydraulic flow control transmission motor 111 connected with the gearbox 4, the shift handle 103 controls the shift torque of the gearbox 4, and the steering wheel 101 controls the displacement of the reversing lever 1, so that the steering angle of the front driving wheels 2 is adjusted. The explosion-proof engine 109 is started to drive the hydraulic pump 107 to rotate, the transmission motor 111 drives the gearbox 4 to rotate, the torque is transmitted to the front driving shaft 14 and the rear driving shaft 13, and is transmitted to the front driving wheel 2 and the rear driving wheel 6 in a turning manner through the front driving axle 18 and the rear driving axle 9, so that the front tire 3 and the rear tire 7 run.

The crescent counter weight type air storage tank 114 is arranged at the rear part of the upper platform, can replace a conventional air tank and a counter weight device, saves the space of the upper platform and plays a role in counter weight and machine stability.

The working arm mechanism connected with the underground wheel type four-wheel drive explosion-proof excavator comprises a three-section arm mechanism and a two-section arm working mechanism shown in the embodiment of figure 5, wherein the three-section arm working mechanism comprises a front arm, a middle arm and a rear arm, and the middle arm can rotate; both three-section arm operating mechanisms and two-section arm operating mechanisms are within the scope of the present invention.

According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:

the utility model provides an explosion-proof excavator is driven to wheeled four in pit, its requirement that can realize the nimble high efficiency of mining excavator, multiplex condition operation, the dependable performance, the suitability is strong, improves mine operating efficiency by a wide margin.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The underground wheel type four-wheel drive explosion-proof excavator is characterized by comprising a platform assembly, a walking drive assembly and an electrical system, wherein the excavator is connected with a working mechanism, the working mechanism comprises a three-section arm, the three-section arm comprises a front arm, a middle arm and a rear arm, the middle arm can rotate, and the platform assembly comprises an engine assembly and an accessory;

the engine assembly comprises an explosion-proof engine (109), a radiator (110), an air storage tank, a diesel oil tank, a hydraulic pump (107), a water washing tank (106), a hydraulic oil tank (105) and a valve group (104), wherein the radiator (110) is installed on the front side of the explosion-proof engine (109), and the hydraulic pump (107) is installed on the rear side of the explosion-proof engine (109);

the accessories comprise a lamp bracket, a miner lamp, a driving seat, an accelerator pedal (102), a steering wheel (101), a gear shifting handle (103), a rotary motor (108) and a hydraulic hand brake (112);

the driver's seat installs in radiator (110) front side, steering wheel (101) and accelerator pedal (102) are located the driver's seat front side, the driver's seat right side is handle (103) of shifting, the diesel tank is located the driver's seat incline side, hydraulic pressure manual brake (112) are located driver's seat left side downside, the gas holder is located accelerator pedal (102) downside, wash case (106) are located hydraulic pump (107) front side, hydraulic tank (105) are located wash case (106) front side, install in hydraulic tank (105) front side valve group (104).

2. A downhole wheeled four-wheel drive explosion-proof excavator according to claim 1, wherein the platform assembly is provided with a transmission motor (111) in the middle, and a rotary motor (108) is arranged at the lower right side of the transmission motor (111).

3. A downhole wheeled four-wheel drive explosion-proof excavator according to claim 2, wherein the lower side of the transmission motor (111) is engaged with a gearbox (4), the slewing motor (108) is engaged with a slewing support (22), and the slewing support (22) is connected with an upper platform (113) and a slewing seat (21).

4. The underground wheeled four-wheel-drive explosion-proof excavator according to claim 1, wherein the walking drive assembly comprises a reversing rod (1), a front drive wheel (2), a front tire (3), a gearbox (4), a frame (5), a rear drive wheel (6), a rear tire (7), a frame connecting plate (8), a rear drive axle (9), a rear brake cylinder (10), a rear brake transmission shaft (11), a rear brake disc (12), a rear drive shaft (13), a front drive shaft (14), a front brake disc (15), a front brake transmission shaft (16), a front brake cylinder (17) and a front drive axle (18).

5. A downhole wheeled four-wheel drive explosion-proof excavator according to claim 4, the frame (5) is connected with a front drive axle (18) and a rear drive axle (9), the front driving shaft (14) is connected between the front end of the gearbox (4) and the front driving axle (18), the rear driving shaft (13) is connected between the rear end of the gearbox (4) and the rear driving axle (9), the front driving wheel (2) is hinged with the front driving bridge (18), the reversing rod (1) is hinged with the front driving wheel (2), the front brake cylinders (17) are arranged on two sides of the front drive axle (18), the front brake cylinders (17) are used for controlling the front brake transmission shaft (16) to be in contact with the front brake disc (15) for braking, the rear brake cylinders (10) are arranged on two sides of the rear drive axle (9), and the rear brake cylinders (10) are used for controlling the rear brake transmission shaft (11) to be in contact with the rear brake disc (12) for braking.

6. A downhole wheeled four-wheel-drive explosion-proof excavator according to claim 4, wherein the front brake disc (15) and the rear brake disc (12) are both internally provided with oil-immersed wet brake structures.

7. A downhole wheeled four-wheel-drive explosion-proof excavator according to claim 3, wherein the rotary motor (108) is in inner engagement with an upper disc of the rotary support (22), the transmission motor (111) is in central inner engagement with the gearbox (4), and the rotary motor (108) and the transmission motor (111) are controlled by a hydraulic system.