CN211523318U

CN211523318U - Dual-purpose tunneling loader for breaking and digging

Info

Publication number: CN211523318U
Application number: CN201922212563.8U
Authority: CN
Inventors: 王华良; 王华忠; 王哲
Original assignee: XIANGYANG ZHONGLIANG ENGINEERING MACHINERY CO LTD
Current assignee: XIANGYANG ZHONGLIANG ENGINEERING MACHINERY CO LTD
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-09-18
Anticipated expiration: 2029-12-11

Abstract

A dual-purpose tunneling loader for breaking and digging is used for breaking, digging and loading in mine engineering. The device consists of a telescopic type breaking and digging integrated tunneling mechanism, a conveying and discharging mechanism, a crawler chassis, an electrical control system and a hydraulic control system; the upper part of the crawler chassis is provided with a conveying and discharging mechanism, and the front end of the conveying and discharging mechanism is provided with a telescopic breaking and digging integrated tunneling mechanism; the front end of the small arm of the telescopic breaking and digging integrated tunneling mechanism is respectively hinged with a bucket and a connecting rod, a connecting plate is hinged between the connecting rod and the bucket, guide shafts are arranged on two sides of the upper part of the small arm, slide rails are arranged in the small arm and are tightly matched with the guide shafts through notches in the slide rails, and a hydraulic breaking hammer is clamped between the two slide rails; the bucket oil cylinder and the breaking hammer oil cylinder are both arranged inside the small arm. The utility model discloses have broken tunnelling simultaneously and take off dress material loading function to through each way hydraulic actuator of hydraulic pressure pilot control, realize that complete machine walking, broken tunnelling, push away shovel gather materials, excavate and take off functions such as dress, transport loading, realize a tractor serves several purposes.

Description

Dual-purpose tunneling loader for breaking and digging

Technical Field

The utility model relates to a mining engineering machine tool technical field specifically is a dual-purpose tunnelling loader is dug to broken suitable for mining and tunnel tunnelling construction operation.

Background

In mining and tunneling at the present stage, blasting or special crushing equipment is mainly adopted for tunneling operation, and then the crushed materials are transported and constructed. However, as the national regulations on explosives become stricter, the cost of blasting is higher. For construction sites which do not allow blasting operation, special tunneling and transferring equipment is required. For a construction site with a relatively small mining or tunneling section, the transfer and switching among devices are relatively difficult, so that the time is delayed, and the investment cost of the devices and manpower is increased. Therefore, it is necessary to develop a device integrating crushing, tunneling, excavating and loading into a whole.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the dual-purpose tunneling loader for breaking and digging, which enables equipment to have the functions of complete machine walking, impact crushing, digging, raking, loading, conveying, unloading and the like.

In order to realize the aim, the utility model consists of a telescopic breaking and digging integrated tunneling mechanism, a conveying and unloading mechanism, a crawler chassis, an electrical control system and a hydraulic control system; the upper part of the crawler chassis is provided with a conveying and discharging mechanism, and the front end of the conveying and discharging mechanism is provided with a telescopic breaking and excavating integrated tunneling mechanism; the front end of a small arm of the telescopic breaking and digging integrated tunneling mechanism is respectively hinged with a bucket and a connecting rod, a connecting plate is hinged between the connecting rod and the bucket, guide shafts are arranged on two sides of the upper part of the small arm, slide rails are arranged in the small arm and are tightly matched with the guide shafts through notches in the slide rails, and a hydraulic breaking hammer is clamped between the two slide rails; the bucket oil cylinder and the breaking hammer oil cylinder are both arranged inside the small arm.

The rotary body, the large arm, the small arm, the digging bucket, the connecting plate, the connecting rod and the sliding rail of the telescopic breaking and digging integrated tunneling mechanism are all of welded structures, the section of the main body after the large arm is welded and formed is rectangular, and the section of the main body after the small arm is formed is in a convex shape; the front end of the revolving body is hinged with a large arm, the front end of the large arm is hinged with a small arm, a large arm oil cylinder is arranged between the revolving body and the large arm, a small arm oil cylinder is arranged between the large arm and the small arm, and a bucket oil cylinder connected with a connecting rod and a breaking hammer oil cylinder connected with a sliding rail are respectively arranged in the small arm.

The material collecting shovel port of the conveying and discharging mechanism is locked at the front end of the conveying groove through a bolt, and the discharging assembly is annularly arranged in the middle of the conveying groove; the main body of the material collecting shovel port is of a welded structure, a driven chain wheel shaft is arranged in a shaft hole in the middle of the main body, and driven chain wheels are arranged at two ends of the driven chain wheel shaft; the conveying trough is of a sectional type welding structure, all sections are locked into a whole through high-strength bolts, a portal frame is welded at the upper part of the front end of the conveying trough, a lifting rotating shaft lug assembly and a lifting oil cylinder lug assembly are respectively welded at the front and the back of the bottom of the conveying trough, and an adjusting assembly is arranged at the tail end of the conveying trough; adjusting bolts are arranged on two sides of the front end of the adjusting assembly, a driving wheel shaft is mounted at the rear part of the adjusting assembly, driving wheels are mounted on two sides of the driving wheel shaft, a conveying hydraulic motor is mounted on one side of the driving wheel shaft, and a protective cover is mounted on the outer side of the conveying hydraulic motor; the discharging assembly consists of chains and scraping plates, the scraping plates which are integrally cast and formed are arranged in the middle of the chains at equal intervals on two sides, and the chains run annularly along the conveying groove under the traction of the driving wheels.

Crawler assemblies are arranged on two sides of a chassis frame of the crawler chassis, a protective box is arranged above the crawler assemblies, a cab is arranged in front of the left side of the crawler assemblies, and an electrical control box is arranged in front of the right side of the crawler assemblies; the chassis frame comprises a front beam component and a rear beam component, the front beam component and the rear beam component are both of box-type structures, mounting plates connected with the crawler assemblies are reserved on two sides of the chassis frame, the upper portion of the front beam component is welded with a conveying groove hinged lug plate, and the upper portion of the rear beam component is welded with a lifting oil cylinder support lug plate; the cab is semi-open and formed by assembling and welding plates and sectional materials, a protective shed is arranged at the top of the cab, and the right side of the cab is of a closed structure; the crawler assembly comprises a left crawler component and a right crawler component, the front ends of the left crawler component and the right crawler component are respectively provided with a walking hydraulic motor, the inner sides of the left crawler component and the right crawler component are respectively welded with a supporting beam and a connecting plate, the upper part of the supporting beam is welded with a crawler platform plate, and the rear part of the crawler platform plate is provided with an anti-collision beam; the protective housing is a sheet metal part, each sheet metal part is locked by bolts and then fixed on the crawler platform plate, and electric and hydraulic elements are arranged inside the protective housing.

The electric control system comprises a main loop, an auxiliary loop and a control loop, wherein the voltage of the main loop is 380/660V, the voltage of the auxiliary loop and the control loop is 36/24V, and the electric control system consists of an electric control box, a motor, a power supply button switch and auxiliary elements. The electric control box is arranged on the right side crawler platform plate, the motor is arranged on the left side crawler platform plate, the power button switch and the emergency stop switch are arranged in the cab, and the auxiliary elements comprise an electric bell, an illuminating lamp and the like and are arranged at the front part and the rear part of the vehicle body. The electric control box comprises an isolation reversing switch, a fuse, a transformer, a mechanical self-locking button switch, a contactor, a resistance container, an electronic protector, a wiring terminal, a connecting wire, an isolation reversing switch, a fuse, a transformer, a contactor, a resistance container and an electronic protector, wherein all electronic elements are arranged on a circuit control board.

The hydraulic control system adopts a pilot control open type hydraulic circuit and consists of a control hydraulic element, an execution hydraulic element and an auxiliary hydraulic element; the control hydraulic component comprises a cross pilot valve, a pedal pilot valve, a multi-way control valve, a pilot master switch, a direct-acting pilot valve and a throttle valve, and is arranged in an area which is conveniently controlled by a driver in a cab and each hydraulic loop; the executing hydraulic element comprises a large arm oil cylinder, a small arm oil cylinder, a bucket oil cylinder, a breaking hammer oil cylinder, a hydraulic breaking hammer, a rotary oil cylinder, a lifting oil cylinder, a walking hydraulic motor, a conveying hydraulic motor and various working mechanisms distributed on the vehicle body; the auxiliary hydraulic element consists of a hydraulic oil pump, a hydraulic oil tank, a hydraulic pipeline, a hydraulic air filter, an oil absorption filter, an oil return filter, a pilot oil filter, a hydraulic radiator, a liquid level meter and a pressure gauge, and is intensively distributed in a protective box on the crawler platform plate.

Compared with the prior art, through integrated high-power hydraulic breaking hammer on the forearm with take off dress mechanism, make it have broken tunnelling simultaneously and take off dress material loading function, and through each way hydraulic actuator of hydraulic pressure pilot control, realize the complete machine walking, broken tunnelling, push away shovel and gather materials, excavate and take off dress, carry functions such as loading, realize a tractor serves several purposes, can effectively reduce construction cost, improve the tunnelling efficiency of construction, can not only effectively alleviate mining exploitation to the reliance of blasting, can also reduce the exploitation, the tunnelling cost, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic view of the structure of the crushing and tunneling state of the present invention.

Fig. 2 is a schematic diagram of the excavating loading state of the present invention.

In the figure: 1. a telescopic breaking and digging integrated tunneling mechanism; 2. a conveying and discharging mechanism; 3. a crawler chassis; 4. an electrical control system; 5. a hydraulic control system; 21. a revolving body; 22. a large arm; 23. a small arm; 24. excavating a bucket; 25. a connecting plate; 26. a connecting rod; 27. a slide rail; 28. a guide shaft; 29. a large arm cylinder; 30. a small arm cylinder; 31. a bucket cylinder; 32. a breaking hammer cylinder; 33. a hydraulic breaking hammer; 41. a material collecting shovel port; 42. a conveying trough; 43. a discharge assembly; 44. a driven sprocket shaft; 45. a driven sprocket; 46. a gantry; 47. an adjustment assembly; 48. adjusting the bolt; 49. a drive axle; 50. a drive wheel; 51. a delivery hydraulic motor; 52. a protective cover; 53. a chain; 54. a scraping plate; 62. a cab; 63. a track assembly; 64. a protective box; 65. an electrical control box; 66. a protective shed; 67. a left track assembly; 68. a right track assembly; 69. a traveling hydraulic motor; 70. a track platform plate.

Detailed Description

As shown in fig. 1 and fig. 2, the dual-purpose tunneling loader for breaking and digging of the utility model mainly comprises a telescopic breaking and digging integrated tunneling mechanism 1, a conveying and unloading mechanism 2, a crawler chassis 3, an electrical control system 4 and a hydraulic control system 5. The upper part of the crawler chassis 3 is provided with a conveying and unloading mechanism 2, and the front end of the conveying and unloading mechanism 2 is provided with a telescopic type breaking and digging integrated tunneling mechanism 1.

The telescopic breaking and excavating integrated tunneling mechanism 1 mainly comprises a revolving body 21, a large arm 22, a small arm 23, an excavator bucket 24, a connecting plate 25, a connecting rod 26, a slide rail 27, a guide shaft 28, a large arm oil cylinder 29, a small arm oil cylinder 30, an excavator bucket oil cylinder 31, a breaking hammer oil cylinder 32, a hydraulic breaking hammer 33 and the like. The rotary body 21, the large arm 22, the small arm 23, the bucket 24, the connecting plate 25, the connecting rod 26 and the sliding rail 27 are all of welded structures, the section of a main body after the large arm 22 is welded and formed is rectangular, a plurality of reinforcing rib plates are additionally arranged in the main body, certain torsion resistance is realized on the basis of ensuring parallel stress, and the section of the main body after the small arm 23 is formed is in a convex shape, so that sufficient space can be provided for mounting the hydraulic breaking hammer 33, and the structural strength of the small arm 23 is improved; the front end of the revolving body 21 is hinged with a big arm 22, the front end of the big arm 22 is hinged with a small arm 23, the front end of the small arm 23 is respectively hinged with a bucket 24 and a connecting rod 26, a connecting plate 25 is hinged between the connecting rod 26 and the bucket 24, two sides of the upper part of the small arm 23 are provided with guide shafts 28, a sliding rail 27 is arranged in the small arm 23 and is tightly matched with the guide shafts 28 through a notch on the sliding rail 27, a hydraulic breaking hammer 33 is clamped between the two sliding rails 27, each rotating mechanism is connected and locked through a pin shaft, the hydraulic breaking hammer 33 and the sliding rail 27 are clamped into a whole, the sliding rail 27 slides back and forth under the limitation of the guide shafts 28 under the action of a breaking hammer cylinder 32, so as to realize reciprocating linear motion, provide vertical pressing force for the hydraulic breaking hammer 33, ensure the normal breaking construction, simultaneously better meet the use requirements of the hydraulic breaking hammer 33, and because the control systems of impact breaking and rak, therefore, the mutual interference phenomenon caused by simultaneous operation can not be generated, but due to the consideration of convenient operation, the bucket 24 is retracted in advance when the hydraulic breaking hammer 33 works, and a larger space can be provided for the breaking operation; a large arm oil cylinder 29 is arranged between the revolving body 21 and the large arm 22, a small arm oil cylinder 30 is arranged between the large arm 22 and the small arm 23, a bucket oil cylinder 31 connected with the connecting rod 26 and a breaking hammer oil cylinder 32 connected with the slide rail 27 are respectively arranged in the small arm 23, the front end and the rear end of each hydraulic oil cylinder are connected with a rotating mechanism through pin shafts, and the movement of each movable arm is realized through the extension and contraction of the hydraulic oil cylinders; the revolving body 21 is hinged with the portal frame 46, revolving cylinders are arranged on two sides of the revolving body, and the whole telescopic breaking and excavating integrated tunneling mechanism 1 can swing left and right around the axis of the portal frame 46 under the action of the revolving cylinders; the bucket cylinder 31 and the breaking hammer cylinder 32 are both designed to be hidden in the small arm 23, so that the damage of cylinder parts caused by collision of materials in the breaking and raking operation processes can be effectively avoided.

The conveying and discharging mechanism 2 mainly comprises a material collecting shovel port 41, a conveying groove 42, a discharging assembly 43 and the like. The material collecting shovel port 41 is locked at the front end of the conveying groove 42 through a high-strength bolt, the discharging assembly 43 is annularly arranged in the middle of the conveying groove 42, the main body of the material collecting shovel port 41 is of a welded structure, hoisting holes are reserved in two sides of the material collecting shovel port, convenience is brought to later-stage disassembly and assembly, a driven sprocket shaft 44 is arranged in a shaft hole in the middle of the material collecting shovel port 41, and driven sprockets 45 are arranged at two ends of the driven sprocket shaft 44; the conveying trough 42 is of a sectional type welding structure, all the sections are locked into a whole through high-strength bolts, the sectional type design can enable disassembly, assembly and transportation to be more convenient, meanwhile, the possibility of special customization under different using conditions can be provided, wear-resistant steel plates are laid on the inner surface of the conveying trough 42, so that the conveying trough 42 cannot be quickly worn, a portal frame 46 is welded to the upper portion of the front end of the conveying trough 42, the portal frame 46 and the conveying trough 42 form a firm whole, compared with a portal frame which is fixedly assembled, the structure is firmer, looseness cannot easily occur under the condition of large impact crushing vibration, a rotating shaft lug assembly and a lifting oil cylinder lug assembly are respectively welded to the front portion and the rear portion of the bottom of the conveying trough 42 and used for connecting the crawler chassis 3, the unloading angle of the conveying unloading mechanism 2 can be freely adjusted, and different loading height requirements can be met; the tail end of the conveying groove 42 is provided with an adjusting assembly 47, the design of the adjusting assembly 47 can effectively solve the phenomenon that the chain 53 is too loose, too tight or off tracking, and can adjust the working state of the chain 53 at any time according to the actual use condition, adjusting bolts 48 are arranged on two sides of the front end of the adjusting assembly 47, a driving wheel shaft 49 is arranged on the rear part of the adjusting assembly 47, driving wheels 50 are arranged on two sides of the driving wheel shaft 49, a conveying hydraulic motor 51 is arranged on one side of the driving wheel shaft 49, and a protective cover 52 is arranged on the outer side of the conveying hydraulic motor 51; the discharging assembly 43 mainly comprises chains 53, scraping plates 54 and the like, the scraping plates 54 which are integrally cast and formed are arranged in the middle of the chains 53 on the two sides at equal intervals, the chains 53 run in an annular mode along the conveying groove 42 under the traction of the driving wheel 50, the scraping plates 54 are more balanced in stress due to the design of the double chains 53, the phenomena of shifting and chain clamping of the chains 53 due to unbalance loading of materials are avoided, meanwhile, the scraping plates 54 with double-chain structures are relatively large, the conveying efficiency of the materials is higher, the material conveying capacity of the whole conveying discharging mechanism 2 is higher due to the application of the scraping plates 54, the conveying discharging angle of the materials is larger, the situation that the materials cannot be conveyed due to too large conveying angle as a belt conveyor is avoided, and better guarantee can be provided for tunneling and mining pipes and tunnels with larger angles.

The crawler chassis 3 mainly comprises a chassis frame, a cab 62, a crawler assembly 63, a protective box 64 and the like. Crawler assemblies 63 are arranged on two sides of the chassis frame, a protective box 64 is arranged above the crawler assemblies 63, a cab 62 is arranged in front left of the crawler assemblies 63, and an electric control box 65 is arranged in front right of the crawler assemblies 63; compared with a wheel type chassis structure, the crawler chassis 3 has larger self weight and higher grounding ratio, can effectively reduce the phenomenon of equipment shaking in the impact crushing process, and provides guarantee for the stable operation of the whole machine, and meanwhile, the crawler chassis 3 is driven by the walking hydraulic motor 69, so that the equipment is more powerful in walking and can adapt to a working environment with a larger gradient; the chassis frame comprises a front beam component and a rear beam component, the front beam component and the rear beam component are of box-type structures, mounting plates connected with a crawler assembly are reserved on two sides of the front beam component, the upper portion of the front beam component is welded with a conveying groove hinged lug plate and connected with a rotating shaft lug component of the conveying and unloading mechanism 2, the upper portion of the rear beam component is welded with a lifting oil cylinder support lug plate, a lifting oil cylinder is arranged between the support lug plate and the lifting oil cylinder lug component of the conveying and unloading mechanism 2, and the angle adjusting function of the conveying and unloading mechanism 2 is realized through the extension and retraction of the lifting oil cylinder; the cab 62 is of a semi-open structure and is formed by assembling and welding plates and sectional materials, a protective shed 66 is arranged at the top of the cab 62, the head safety of an operator can be effectively protected, the right side of the cab 62 is of a closed structure, the situation that materials fall onto the body of the operator in the process of dismantling and assembling to cause danger to the operator can be avoided, various buttons, control valves and operating handles are arranged in the cab 62, and the operation of equipment can be easily controlled by the operator within a small range due to the design of a highly integrated control system, so that the operation intensity of the operator is reduced; the crawler assembly 63 mainly comprises a left crawler assembly 67 and a right crawler assembly 68, the front ends of the left crawler assembly 67 and the right crawler assembly 68 are respectively provided with a walking hydraulic motor 69, the inner sides of the left crawler assembly 67 and the right crawler assembly 68 are respectively welded with a supporting cross beam and a connecting plate, the upper part of the supporting cross beam is welded with a crawler platform plate 70, and the rear part of the crawler platform plate 70 is provided with an anti-collision beam; the protective box 64 is a sheet metal part, a plurality of functional holes are formed in one side of the protective box 64, all sheet metal parts of the protective box 64 are locked through bolts and are finally locked on the crawler platform plate 70, and various electric and hydraulic elements are installed inside the protective box 64; the design of anticollision roof beam can be guaranteed to play certain guard action to equipment at the loading in-process, can not cause the damage of equipment because of receiving the skip to back a car the striking, and the setting of guard box 64 can play certain guard action to each components and parts of installing wherein simultaneously, avoids appearing the material and drops the phenomenon of pounding bad components and parts, and guard box 64 still designs simultaneously has sufficient louvre to promote equipment air cycle, avoid each components and parts phenomenon that the high temperature appears.

The electric control system 4 mainly comprises a main loop, an auxiliary loop and a control loop, wherein the voltage of the main loop is 380/660V, the voltage of the auxiliary loop and the control loop is 36/24V, and the electric control system consists of an electric control box, a motor, a power supply button switch and auxiliary elements. The electric control box 65 is arranged on the right side crawler platform plate 70, the motor is arranged on the left side crawler platform plate 70, the power button switch and the emergency stop switch are arranged in the cab 62, and the auxiliary elements comprise an electric bell, an illuminating lamp and the like and are arranged at the front part and the rear part of the vehicle body; the inside of the electrical control box 65 comprises an isolation reversing switch, a fuse, a transformer, a mechanical self-locking button switch, a contactor, a resistance container, an electronic protector, a connecting terminal, a connecting wire, an isolation reversing switch, a fuse, a transformer, a contactor, a resistance container and an electronic protector, wherein all electronic elements are arranged on a circuit control board; most of the electric control elements are concentrated in the electric control box 65, so that the equipment production and maintenance process is more convenient, meanwhile, the electric control box 65 is designed to be waterproof, the phenomenon that the electric elements are short-circuited or damaged due to water spraying can be avoided, and the design of the emergency stop switch can cut off the power supply of the whole automobile by one key after an operator finds that the equipment breaks down.

The hydraulic control system 5 adopts a pilot control open hydraulic circuit and mainly comprises a control hydraulic element, an execution hydraulic element, an auxiliary hydraulic element and the like. The control hydraulic components mainly comprise a cross pilot valve, a pedal pilot valve, a multi-way control valve, a pilot master switch, a direct-acting pilot valve and a throttle valve, and are mainly arranged in an area which is convenient for a driver to control in the cab 62 and in each hydraulic loop; the execution hydraulic components mainly comprise a large arm oil cylinder 29, a small arm oil cylinder 30, a bucket oil cylinder 31, a breaking hammer oil cylinder 32, a hydraulic breaking hammer 33, a rotary oil cylinder, a lifting oil cylinder, a walking hydraulic motor 69 and a conveying hydraulic motor 51, and are distributed on each working mechanism of the vehicle body; the auxiliary hydraulic element mainly comprises a hydraulic oil pump, a hydraulic oil tank, a hydraulic pipeline, a hydraulic air filter, an oil absorption filter, an oil return filter, a pilot oil filter, a hydraulic radiator, a liquid level meter and a pressure gauge, and is mainly and intensively distributed in a protective box 64 on the crawler platform plate; the application of the hydraulic control system 5 in the equipment can provide more sufficient power guarantee for each action mechanism, meanwhile, the hydraulic oil is recycled in the working process, the use and maintenance cost can be reduced to a great extent, the application of the pilot control system enables the control handle to be lighter, the process of operating the equipment is easier, and the labor intensity of operators can be effectively reduced.

The utility model discloses an operation flow:

1. starting the equipment: and a three-phase power supply is switched on, a green button of a power switch is pressed, a main circuit is switched on, and a motor is started and drives a hydraulic oil pump to operate.

2. Walking and steering: when the front or rear parts of the two walking pedal pilot valve pedals are simultaneously stepped down, the walking hydraulic motors 69 on the two sides simultaneously work, the whole machine can walk forwards or backwards, the pedals are released, the whole machine stops, when only one of the pedal pilot valve pedals is stepped down, one of the walking hydraulic motors 69 works, and the whole machine can steer.

3. Tunneling preparation: the straight-acting pilot valve lifting handle is operated, the material collecting shovel port 41 of the conveying and discharging mechanism 2 falls to the ground under the action of the lifting oil cylinder, and meanwhile, the front end of the crawler belt assembly is lifted to the ground.

4. Impact crushing: the excavator bucket 24 is firstly packed up by operating the cross pilot valve handle, then the cross pilot valve handle is continuously operated to adjust the positions of the large arm 22 and the small arm 23, the drill rod reaches the position needing to be broken when the hydraulic breaking hammer 33 reaches the position needing to be broken, the hydraulic breaking hammer 33 extends under the action of the hydraulic breaking hammer oil cylinder 32, the drill rod of the hydraulic breaking hammer 33 is enabled to be tightly pressed by a broken body, then the breaking pedal pilot valve pedal is stepped, the hydraulic breaking hammer 33 works, the materials are impacted until the materials are impacted and broken, and the impact breaking operation is completed.

5. Taking off, loading and unloading: when more materials are crushed, the direct-acting pilot valve conveying handle is opened, and the discharging assembly 43 circularly runs under the driving of the hydraulic motor; the hydraulic breaking hammer 33 is retracted, the cross pilot valve handle is operated, the large arm 22, the small arm 23 and the revolving body 21 synchronously and cooperatively operate, the materials are raked and loaded to the material collecting shovel port 41, and the materials move along the conveying groove 42 under the action of the scraper plate 54, so that the raking, loading and unloading operations are completed.

6. The equipment is shut down: and when a red button of a power switch button is pressed, the control circuit loses power, the power indicator lamp is turned off, and the whole machine is in a shutdown state. If the power supply of the whole machine needs to be cut off, the isolating reversing switch needs to be disconnected, and the three-phase power socket needs to be pulled down. When the emergency occurs, the emergency stop switch button can be pressed, and the power supply of the whole vehicle is immediately cut off.

Claims

1. The utility model provides a dual-purpose entry loader is dug in broken, its characterized in that: the loader consists of a telescopic breaking and digging integrated tunneling mechanism (1), a conveying and discharging mechanism (2), a crawler chassis (3), an electrical control system (4) and a hydraulic control system (5); the upper part of the crawler chassis (3) is provided with a conveying and unloading mechanism (2), and the front end of the conveying and unloading mechanism (2) is provided with a telescopic breaking and excavating integrated tunneling mechanism (1); the front end of a small arm (23) of the telescopic breaking and digging integrated tunneling mechanism (1) is respectively hinged with a digging bucket (24) and a connecting rod (26), a connecting plate (25) is hinged between the connecting rod (26) and the digging bucket (24), guide shafts (28) are arranged on two sides of the upper part of the small arm (23), slide rails (27) are arranged in the small arm (23) and are tightly matched with the guide shafts (28) through notches on the slide rails (27), and a hydraulic breaking hammer (33) is clamped between the two slide rails (27); the bucket oil cylinder (31) and the breaking hammer oil cylinder (32) are both arranged inside the small arm (23).

2. The dual-purpose tunneling loader for breaking and excavating according to claim 1, wherein: the rotary body (21), the large arm (22), the small arm (23), the excavator bucket (24), the connecting plate (25), the connecting rod (26) and the sliding rail (27) of the telescopic breaking and excavating integrated tunneling mechanism (1) are all of welded structures, the section of a main body after the large arm (22) is welded and formed is rectangular, and the section of the main body after the small arm (23) is formed is in a convex shape; the front end of the revolving body (21) is hinged with a large arm (22), the front end of the large arm (22) is hinged with a small arm (23), a large arm oil cylinder (29) is arranged between the revolving body (21) and the large arm (22), a small arm oil cylinder (30) is arranged between the large arm (22) and the small arm (23), and a bucket oil cylinder (31) connected with a connecting rod (26) and a breaking hammer oil cylinder (32) connected with a sliding rail (27) are respectively arranged in the small arm (23).

3. The dual-purpose tunneling loader for breaking and excavating according to claim 1, wherein: the material collecting shovel port (41) of the conveying and discharging mechanism (2) is locked at the front end of the conveying groove (42) through a bolt, and the discharging assembly (43) is annularly arranged in the middle of the conveying groove (42); the main body of the aggregate shovel port (41) is of a welded structure, a driven chain wheel shaft (44) is arranged in a shaft hole in the middle of the aggregate shovel port, and driven chain wheels (45) are arranged at two ends of the driven chain wheel shaft (44); the conveying trough (42) is of a sectional type welding structure, all the sections are locked into a whole through high-strength bolts, a portal frame (46) is welded on the upper portion of the front end of the conveying trough (42), a lifting rotating shaft lug assembly and a lifting oil cylinder lug assembly are welded on the front portion and the rear portion of the bottom of the conveying trough (42) respectively, and an adjusting assembly (47) is arranged at the tail end of the conveying trough (42); adjusting bolts (48) are arranged on two sides of the front end of the adjusting assembly (47), a driving wheel shaft (49) is mounted at the rear part of the adjusting assembly (47), driving wheels (50) are mounted on two sides of the driving wheel shaft (49), a conveying hydraulic motor (51) is mounted on one side of the driving wheel shaft (49), and a protective cover (52) is mounted on the outer side of the conveying hydraulic motor (51); the discharging assembly (43) consists of chains (53) and scraping plates (54), the scraping plates (54) which are integrally cast and formed are arranged in the middle of the chains (53) on the two sides at equal intervals, and the chains (53) run in an annular shape along the conveying groove (42) under the traction of the driving wheel (50).

4. The dual-purpose tunneling loader for breaking and excavating according to claim 1, wherein: crawler assemblies (63) are arranged on two sides of a chassis frame of the crawler chassis (3), a protective box (64) is arranged above the crawler assemblies (63), a cab (62) is arranged in front of the left side of the crawler assemblies (63), and an electric control box (65) is arranged in front of the right side of the crawler assemblies (63); the chassis frame comprises a front cross beam assembly and a rear cross beam assembly, the front cross beam assembly and the rear cross beam assembly are both of box-type structures, mounting plates connected with a crawler assembly (63) are reserved on two sides of the chassis frame, a conveying groove (42) is welded on the upper portion of the front cross beam assembly, a hinged lug plate is connected with the upper portion of the front cross beam assembly, and a lifting oil cylinder support lug plate is welded on the upper portion of the rear cross beam assembly; the cab (62) is semi-open and formed by assembling and welding plates and sections, a protective shed (66) is arranged at the top of the cab (62), and the right side of the cab (62) is of a closed structure; the crawler assembly (63) comprises a left crawler assembly (67) and a right crawler assembly (68), walking hydraulic motors (69) are mounted at the front ends of the left crawler assembly (67) and the right crawler assembly (68), supporting cross beams and connecting plates are welded on the inner sides of the left crawler assembly (67) and the right crawler assembly (68), a crawler platform plate (70) is welded on the upper portion of each supporting cross beam, and an anti-collision beam is arranged at the rear portion of the crawler platform plate (70); the protective box (64) is a sheet metal part, each sheet metal part is locked by bolts and then fixed on the crawler platform plate (70), and electric and hydraulic elements are installed inside the protective box (64).

5. The dual-purpose tunneling loader for breaking and excavating according to claim 1, wherein: the electric control system (4) comprises a main loop, an auxiliary loop and a control loop, wherein the voltage of the main loop is 380/660V, the voltage of the auxiliary loop and the control loop is 36/24V, and the electric control system consists of an electric control box, a motor, a power supply button switch and auxiliary elements;

an electric control box (65) is arranged on the right side crawler platform plate, a motor is arranged on the left side crawler platform plate, a power button switch and an emergency stop switch are arranged in a cab, and auxiliary elements comprise electric bells, illuminating lamps and the like and are arranged at the front part and the rear part of the vehicle body;

the electrical control box (65) is internally provided with an isolating reversing switch, a fuse, a transformer, a mechanical self-locking button switch, a contactor, a resistance container, an electronic protector, a wiring terminal, a connecting wire, an isolating reversing switch, a fuse, a transformer, a contactor, a resistance container and an electronic protector, and all electronic elements are arranged on the circuit control board.

6. The dual-purpose tunneling loader for breaking and excavating according to claim 1, wherein: the hydraulic control system (5) adopts a pilot control open type hydraulic circuit and consists of a control hydraulic element, an execution hydraulic element and an auxiliary hydraulic element; the control hydraulic component comprises a cross pilot valve, a pedal pilot valve, a multi-way control valve, a pilot master switch, a direct-acting pilot valve and a throttle valve, and is arranged in an area which is conveniently controlled by a driver in a cab (62) and in each hydraulic loop; the execution hydraulic components comprise a large arm oil cylinder (29), a small arm oil cylinder (30), a bucket oil cylinder (31), a breaking hammer oil cylinder (32), a hydraulic breaking hammer (33), a rotary oil cylinder, a lifting oil cylinder, a walking hydraulic motor (69), a conveying hydraulic motor (51) and various working mechanisms distributed on the vehicle body; the auxiliary hydraulic element consists of a hydraulic oil pump, a hydraulic oil tank, a hydraulic pipeline, a hydraulic air filter, an oil absorption filter, an oil return filter, a pilot oil filter, a hydraulic radiator, a liquid level meter and a pressure gauge, and is intensively distributed in a protective box (64) on the crawler platform plate (70).