CN217105265U - Wading loader suitable for metal mining industry - Google Patents

Abstract

The utility model discloses a loader wades in water suitable for metal mining industry, including loader body, loading arm and driver's cabin, the fixed welding in front side of loader body is provided with preceding frame, the fixed welding in front side of loader body is provided with the back frame. The left and right sides drive arrangement one side is connected with the transmission shaft respectively, and is two sets of the other end of transmission shaft is connected with the both sides face of gearbox respectively, the terrain clearance of gearbox is promoted to 440mm by original 150mm, the transmission shaft is promoted to 330mm by original 150mm, the utility model discloses a promote the terrain clearance of gearbox and transmission shaft, avoid the gearbox of loader to soak in the aquatic in the pit for a long time, reduced the fault rate of loader, reduce cost of maintenance, and the utility model has the advantages of simple structure, low in production cost.

Description

Wading loader suitable for metal mining industry

Technical Field

The utility model relates to a loader wades suitable for metal mining industry, concretely relates to ore loading equipment technical field.

Background

The metal resources in China are very rich and are mainly divided into overground mines and underground mines according to different operation environments, and the mines are general terms of roadways, chambers, equipment, ground buildings and structures forming an underground mining production system. The underground environment of a mine is known to be severe, a roadway is narrow, a working face is low, and the depth of the underground internal water of the mine is as high as 5-60 cm; but the loader that is arranged in the mine underground at present chooses crawler-type loader for use mostly, and its complete machine is high, and the volume is great, weight is higher, and the loader walks comparatively difficultly in the tunnel, and current loader manufacturing cost is higher to very easily break down, lead to greatly increased cost of maintenance, be unsuitable for small-size enterprise and inside popularization and use on a large scale.

Regarding the loader that is arranged in the mine underground at present chooses crawler-type loader for use mostly, the height of its complete machine is higher, and the volume is great, weight is higher, and the loader walks comparatively difficultly in the tunnel, and current loader manufacturing cost is higher to very easily break down, lead to greatly increased cost of maintenance, be unsuitable for the small-size enterprise and on a large scale the problem of inside popularization and use, be at chinese patent publication number: CN 103122763A discloses a mine tunneling loader, which comprises a frame, a conveyor belt, a conveyor motor, an arm hydraulic motor, a frame driving motor, a driving rail wheel, a rubber wheel for rail wheel, a main arm, an auxiliary arm, a roller, a head-protecting shovel, a small arm and a harrow head, wherein the rollers are arranged at two ends of the middle layer of the frame, the conveyor belt is arranged on the rollers in a surrounding manner, the main arm is arranged at the upper layer of the frame, the tail end of the main arm is connected to the frame in a universal manner, a steering gear with a hydraulic cylinder is arranged below the middle section, the small arm and the harrow head are connected at the lower side of the front end, the auxiliary arm is arranged in the main arm, the front end of the auxiliary arm is provided with a small platform, the conveying motor, the arm hydraulic motor, the explosion-proof distribution box and the frame driving motor are arranged in the frame, the driving rail wheel is arranged at the bottom end, the driving rail wheel runs on a rail, and is the combination of an excavator and a rubber belt conveyor, compared with the prior art have the extension rate fast, reduced intensity of labour's characteristics, but above-mentioned technical scheme still has the volume great, and weight is heavier to do not possess waterproof facility, walk in the aquatic in the pit, then and it is easy to take place to damage.

Disclosure of Invention

An object of the utility model is to solve prior art not enough, a loader wades suitable for metal mining industry is provided, with solve the present loader that is arranged in the mine underground that proposes among the above-mentioned background art and choose crawler-type loader for use mostly, the height of its complete machine is higher, and the volume is great, and weight is higher, the loader walks comparatively difficultly in the tunnel, current loader manufacturing cost is higher, and very easily break down, lead to greatly increased cost of maintenance, be unsuitable in small-size enterprise and on a large scale inside popularization and use scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: a wading loader suitable for metal mining industry comprises a loader body, a loading arm and a cab, wherein a front frame is fixedly welded on the front side of the loader body, a rear frame is fixedly welded on the front side of the loader body, the front frame is connected with the rear frame through a hinged plate, a driving device is fixedly welded on the end faces of the bottom of the rear frame and the bottom of the front frame, an engine and a gearbox are arranged on the upper side of the rear frame, the cab is arranged on the upper side of the front frame, the front frame is provided with a steering oil cylinder, the top end of the front side of the front frame is connected with the loading arm through a second hinged connecting piece, the front end of the loading arm is connected with a bucket through a first hinged connecting piece, and the bucket is provided with a bucket cutting board; the rear frame bottom side and the bottom side of the front frame are connected through transmission shafts, the transmission shafts are formed by combining a first transmission shaft, a second transmission shaft, a third transmission shaft and a transmission shaft through a bridge, one end of the first transmission shaft is connected with the bottom side of the rear frame, the other end of the first transmission shaft is connected with the side of the gearbox, the other end side of the gearbox is connected with the second transmission shaft, the second transmission shaft is connected with the third transmission shaft through the bridge, and the third transmission shaft is connected with the bottom side of the front frame.

Preferably, the engine is provided with a large water tank, heat dissipation holes are formed in the upper side of the outer wall of the engine, the heat dissipation holes are formed in multiple groups, the diameter of each heat dissipation hole is increased to be 5mm from the original 2mm, the large water tank and the heat dissipation holes are matched for use, so that the engine is suitable for a high-temperature and dusty working environment, the engine is matched with a gearbox for use, the gearbox transmits the speed and the torque transmitted by the engine to an operation control transmission system in a cab, the transmission ratio between the engine and wheels of a driving device is changed, forward and reverse gear operation of a loader body is achieved, the power transmitted to the driving device can be cut off under the condition that the engine runs, the operation and running requirements of the loader body are met, and the engine can be started and stopped safely.

Preferably, the ground clearance of gearbox is promoted to 440mm by original 150mm, the transmission shaft is promoted to 330mm by original 150mm, the left and right sides drive arrangement's wheel base is increased to 2900mm by original 2300mm, the big wheel base that 2900mm set up makes it reduce the dead weight of loader body when guaranteeing 3 tons of jack-up power, the loader body adopts 5 tons of setting, can realize five tons of dead weights from this and shovel 3 tons, and the whole weight of the loader body of current loader generally adopts 8 tons of setting, realizes shoveling 3 tons.

Preferably, the whole loader body adopts 6350mm 1950mm 2100mm, the turning radius of the loader body is 3950mm, the lifting height is 4350mm, when the maximum unloading height reaches 3000mm, the unloading distance is 800mm, the whole machine weight is 5000KG, and the rated loading mass is 3000 KG.

Preferably, the front frame and the rear frame are both made of waterproof materials, the upper sides of the front frame and the rear frame are both provided with breathing holes, one end of the breathing hole is communicated with the pipeline, the other end of the pipeline is arranged at the middle upper end of the frame, the breathing holes of the front and rear axles are connected through the pipeline and are led to a high place, so that the breathing hole is suitable for wading operation, the brake caliper and the brake pad of the rear frame and the front frame are made of waterproof materials, a rear frame folding ruler is arranged on the rear frame and adopts a sinking design, thereby ensuring the whole height of the loader body, increasing the front and rear operating space of the cab while ensuring that the height of the loader body is less than or equal to 2.1m, wherein the rear frame adopts a rear inclined frame, and the weight of the rear frame is far larger than that of the front frame, and the rear frame moves backwards, so that the rising force of 3 tons is ensured, and the integral stability of the loader body is improved.

Preferably, a steering oil cylinder is arranged on the upper side of the front frame, and the steering oil cylinder moves upwards.

Preferably, the rear frame located on the lower side of the cab is arranged in a bent mode, so that the cab is convenient to sink, the second hinged connecting piece moves backwards by 430mm and is arranged at the front end of the front frame and the front end of the loading arm, most of the existing second hinged connecting pieces are located in the middle of the loading arm, and therefore the hinged point moves backwards by 430 to shorten the length of the whole loader, and the whole length of the loader body is shortened while the five tons of dead weight shoveling is achieved for 3 tons.

Preferably, the scraper bowl cutting board adopts triangle-shaped scraper bowl cutting board, and triangle-shaped scraper bowl cutting board is applicable to the heavy load and forces the propulsion, the loading arm adopts the bent arm design, shortens the length of loader body when guaranteeing the maximum uninstallation height from this, is applicable to narrow and small space operation, the utility model discloses cancel the rear-mounted camera image of backing a car, make its rear field of vision do not have the dead angle, the rear-mounted camera image of backing a car is not annotated in the picture.

The utility model provides a loader wades in water suitable for metal mining possesses following beneficial effect:

1. the utility model discloses an engine is provided with big water tank, the louvre has been seted up to the outer wall upside of engine, the louvre adopts the multiunit setting, the diameter of louvre is 5mm by original 2mm increase, big water tank uses with the cooperation of louvre, makes it be applicable to high temperature and dusty operational environment.

2. The utility model discloses a with the left and right sides the wheel base of drive arrangement increases to 2900mm by original 2300mm, 2900mm sets up the big wheel base, makes it guarantee that 3 tons rises to rise the power, reduces the dead weight of loader body, the loader body adopts 5 tons to set up, can realize five tons of dead weights from this and shovels 3 tons to the back frame adopts hypsokinesis formula frame, and the weight of back frame 1 is greater than the weight of front frame far away, moves backward through the back frame, improves loader body overall stability when guaranteeing 3 tons of rising to rise the power from this; the utility model discloses a set up the loading arm into the curved boom design, guarantee from this that the biggest uninstallation height reaches 3m, shorten the length of loader body simultaneously, and the utility model discloses a loading arm all moves 430mm backward with the articulated connecting piece of second of preceding frame, consequently the utility model discloses reduce the volume and the weight of current loader, make its more suitable be used for short borehole operation.

3. The left and right sides drive arrangement one side is connected with the transmission shaft respectively, and is two sets of the transmission shaft other end is connected with the both sides face of gearbox respectively, the terrain clearance of gearbox is promoted to 440mm by original 150mm, the transmission shaft is promoted to 330mm by original 150mm, the utility model discloses a promote the terrain clearance of gearbox and transmission shaft, avoid the gearbox of loader to soak in the aquatic in the pit for a long time, reduced the fault rate of loader, reduce cost of maintenance, and the utility model has the advantages of simple structure, low in production cost.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a front view of a wading loader suitable for use in the metal mining industry according to the present invention;

fig. 2 is a schematic structural view of a water tank of a wading loader suitable for the metal mining industry according to the present invention;

fig. 3 is a schematic structural view of a swing frame of a wading loader suitable for the metal mining industry according to the present invention;

fig. 4 is a top view of a wading loader suitable for use in metal mining industry according to the present invention;

fig. 5 is a schematic structural view of a wading loader part suitable for the metal mining industry according to the present invention;

fig. 6 is a schematic structural view of a wading loader portion suitable for metal mining industry according to the present invention;

in the figure: 1. a rear frame; 2. a large water tank; 3. an engine; 4. a drive shaft; 5. a gearbox; 6. a rear frame folding rule; 7. a cab; 8. a front frame; 9. a loading arm; 10. a steering cylinder; 11. a bucket; 12. a hinge plate; 13. a first hinged connection; 14. heat dissipation holes; 15. a pipeline; 16. a drive device; 17. a breathing hole; 18. a second hinged connection; 19. a bucket blade; 20. a loader body; 27. a swing frame; 28. an auxiliary frame; 29. a transmission shaft gap bridge; 30. a first drive shaft; 31. a second transmission shaft; 32. and a third transmission shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model relates to a wading loader suitable for metal mining industry, including loader body 20, loading arm 9 and driver's cabin 7, the fixed welding in front side of loader body 20 is provided with preceding frame 8, the fixed welding in front side of loader body 20 is provided with back frame 1, loader body 20 wholly adopts 6350mm 1950mm 2100mm, the turning radius of loader body 20 is 3950mm, and the height of lifting is 4350mm, and the uninstallation distance is 800mm when the biggest uninstallation height reaches 3000mm, and complete machine weight is 5000KG, and rated loading quality is 3000KG, the height of loader body 20 is reduced to 2.1m by original 2.6m, and the width reduces to 1.95m, be connected through articulated slab 12 between preceding frame 8 and the back frame 1, back frame 1 is provided with drive arrangement 16 with the fixed welding in front frame 8 bottom terminal surface, back frame 1 upside is provided with engine 3 and gearbox 5, a cab 7 is arranged on the upper side of the front frame 8, a steering oil cylinder 10 is arranged on the front frame 8, the top end of the front side of the front frame 8 is connected with a loading arm 9 through a second hinged connecting piece 18, the front end of the loading arm 9 is connected with a bucket 11 through a first hinged connecting piece 13, and the bucket 11 is provided with a bucket knife board 19; the utility model discloses a rear frame, including rear frame 1, transmission shaft 4, transmission shaft 30, secondary drive axle 31, third transmission shaft 32 and transmission shaft gap bridge 29, rear frame 1 bottom side and front frame 8's bottom side are connected through transmission shaft 4, transmission shaft 4 is formed by first transmission shaft 30, secondary drive axle 31, third transmission shaft 32 and the combination of transmission shaft gap bridge 29, the one end of first transmission shaft 30 is connected with rear frame 1 bottom side, the other end of first transmission shaft 30 is connected with the side of gearbox, the other end side of gearbox is connected with secondary drive axle 31, secondary drive axle 31 is connected with third transmission shaft 32 through transmission shaft gap bridge 29, third transmission shaft 32 is connected with front frame 8's bottom side.

As shown in fig. 1 and fig. 2, the present embodiment provides a wading loader suitable for the metal mining industry, which is characterized in that: the engine 3 is provided with a large water tank 2, the upper side of the outer wall of the engine 3 is provided with a heat dissipation hole 14, the heat dissipation holes 14 are arranged in a plurality of groups, the diameter of each heat dissipation hole 14 is increased from 2mm to 5mm, the large water tank 2 is matched with the heat dissipation holes for use, so that the large water tank is suitable for high-temperature and dusty working environments, the engine 3 is used in cooperation with a gearbox 5, the gearbox 5 transmits the speed and torque transmitted by the engine 3 to an operation control transmission system in a cab 7, thereby changing the gear ratio between the engine 3 and the wheels of the drive device 16, achieving forward and reverse gear maneuvers of the loader body 20, and achieving cutting off the power to the drive device 16 with the engine 3 running, to meet the operation and traveling requirements of the loader body 20, and to facilitate the starting and stopping safety of the engine 3.

As shown in fig. 1, the present embodiment provides a wading loader suitable for the metal mining industry, which is characterized in that: the terrain clearance of gearbox 5 promotes to 440mm by original 150mm, transmission shaft 4 promotes to 330mm by original 150mm, the left and right sides drive arrangement 16's wheel base increases to 2900mm by original 2300mm, the big wheel base that 2900mm set up makes it reduce the dead weight of loader body 20 when guaranteeing 3 tons of jack-up power, loader body 20 adopts 5 tons of settings, can realize five tons of dead weights from this and shovel 3 tons, and the whole weight of loader body 20 of current loader generally adopts 8 tons of settings, realizes shoveling 3 tons.

As shown in fig. 1 and 5, the present embodiment provides a wading loader suitable for the metal mining industry, which is characterized in that: the front frame 1 and the rear frame 8 are all made of waterproof materials, the upper sides of the front frame 1 and the rear frame 8 are provided with breathing holes 17, one ends of the breathing holes 17 are communicated with a pipeline 15, the other end of the pipeline 15 is installed at the middle upper end of the frame, the breathing holes 17 of the front axle and the rear axle are connected through the pipeline 15 and led to a high position, so that the breathing holes 17 are suitable for wading operation, brake calipers and brake pads of the rear frame 1 and the front frame 8 are all made of waterproof materials, the rear frame 1 is provided with a rear frame folding ruler 6, the rear frame folding ruler 6 adopts a sinking design, the overall height of the loader body 20 is ensured, the operation space in the front of a cab 7 and in the rear of the cab is increased when the height of the loader body 20 is less than or equal to 2.1m, the rear frame 1 adopts a backward tilting type frame, the weight of the rear frame 1 is far greater than that of the front frame 8, and moves backwards through the rear frame 1, this ensures the 3 ton lift and improves the overall stability of the loader body 20.

As shown in fig. 1, the present embodiment provides a wading loader suitable for metal mining, which is characterized in that: a steering oil cylinder 10 is arranged on the upper side of the front frame 8, and the steering oil cylinder 10 moves upwards.

As shown in fig. 1, the present embodiment provides a wading loader suitable for the metal mining industry, which is characterized in that: the rear frame 1 positioned on the lower side of the cab 7 is arranged in a bent mode, so that the cab 7 is convenient to sink, the second hinged connecting piece 18 moves backwards by 430mm and is arranged at the front ends of the front frame 8 and the loading arm 9, most of the existing second hinged connecting pieces 18 are positioned in the middle of the loading arm 9, and therefore the hinged point moves backwards by 430 to shorten the length of the whole loader, and the whole length of the loader body 20 is shortened while the five tons of dead weight shoveling is realized for 3 tons.

As shown in fig. 4, the present embodiment provides a wading loader suitable for the metal mining industry, which is characterized in that: the scraper bowl cutting board 19 adopts triangle-shaped scraper bowl cutting board, and triangle-shaped scraper bowl cutting board is applicable to the heavy load and forces to impel, load arm 9 adopts the bent arm design, shortens the length of loader body 20 when guaranteeing the maximum uninstallation height from this, is applicable to narrow and small space operation, the utility model discloses cancel the rear-view mirror, use rear-mounted camera image of backing a car, make its rear field of vision do not have the dead angle, rear-mounted camera image of backing a car is not annotated in the picture.

The utility model discloses an use flow: the utility model discloses an engine 3 is provided with big water tank 2, louvre 14 has been seted up to engine 3's outer wall upside, louvre 14 adopts the multiunit setting, louvre 14's diameter is 5mm settings by original 2mm increase, big water tank 2 uses with the cooperation of louvre, makes it be applicable to high temperature and dusty operational environment. The front frame and the rear frame of the existing loader are generally hinged together through a hinge center, the distance between the wheelbases of the front frame and the rear frame is short, and the self weight of the loader is not lower than 8 tons, the utility model discloses a wheelbase of the driving device 16 on the left and right sides is increased from the original 2300mm to 2900mm, the big wheelbase arranged by 2900mm makes it guarantee that 3 tons of lift force, reduces the dead weight of the loader body 20, the loader body 20 adopts 5 tons of arrangement, thereby realizing 3 tons of dead weight shoveling, and the rear frame 1 adopts a back-tipping frame, the weight of the rear frame 1 is far greater than that of the front frame 8, and the overall stability of the loader body 20 is improved while 3 tons of lift force is guaranteed through backward movement of the rear frame 1; the utility model discloses a set up the loading arm into the curved boom design, guarantee from this that the biggest uninstallation height reaches 3m, shorten loader body 20's length simultaneously, and the utility model discloses a loading arm 9 all moves 430mm backward with preceding frame 8's articulated connecting piece 18, consequently the utility model discloses reduce the volume and the weight of current loader, make its more suitable be used for short borehole operation. The left and right sides 16 one side of drive arrangement is connected with transmission shaft 4 respectively, and is two sets of the 4 other ends of transmission shaft are connected with the both sides face of gearbox 5 respectively, the terrain clearance of gearbox 5 promotes to 440mm by original 150mm, transmission shaft 4 promotes to 330mm by original 150mm, the utility model discloses a promote the terrain clearance of gearbox and transmission shaft, avoid the gearbox of loader to soak in the aquatic in the pit for a long time, reduced the fault rate of loader, reduce cost of maintenance, and the utility model has the advantages of simple structure, low in production cost.

The utility model discloses a lift the terrain clearance with gearbox 5 to 440mm, the height of lift cylinder by original 150mm, the utility model discloses can use ordinary motor and engine can also use explosion-proof motor and corresponding explosion-proof electrical components, replace old exhaust water filtration system. The utility model discloses an outer wall upside at engine 3 has been seted up louvre 14, louvre 14's diameter is 5mm settings by original 2mm increase to and preceding frame 1 all is provided with breather 17 with 8 upsides of back frame, breather 17's one end is linked together with pipeline 15, pipeline 15's the other end is installed in the well upper end of frame, and the breather 17 of front and back axle passes through pipeline 15 and connects and draw the eminence, makes it be applicable to wading the operation, strengthens the practicality from this, makes it not only can be applied to in the metal mining industry, can also be used for the place that explosion-proof requirement such as colliery is high.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a wading loader suitable for metal mining industry, includes loader body (20), gearbox (5), loading arm (9) and driver's cabin (7), its characterized in that: the front side of the loader body (20) is fixedly welded with a front frame (8), the front side of the loader body (20) is fixedly welded with a rear frame (1), the front frame (8) is connected with the rear frame (1) through a hinged plate (12), the bottom side surface of the rear frame (1) and the bottom side surface of the front frame (8) are connected through a transmission shaft (4), the transmission shaft (4) is formed by combining a first transmission shaft (30), a second transmission shaft (31), a third transmission shaft (32) and a transmission shaft gap bridge (29), one end of the first transmission shaft (30) is connected with the bottom side surface of the rear frame (1), the other end of the first transmission shaft (30) is connected with the side surface of the gearbox (5), the other end side surface of the gearbox (5) is connected with the second transmission shaft (31), the second transmission shaft (31) is connected with the third transmission shaft (32) through the transmission shaft gap bridge (29), third transmission shaft (32) are connected with the bottom side of preceding frame (8), back frame (1) is provided with drive arrangement (16) with preceding frame (8) bottom terminal surface fixed welding, back frame (1) upside is provided with engine (3) and gearbox (5), preceding frame (8) upside is provided with driver's cabin (7), preceding frame (8) are provided with steering cylinder (10), the front side top of preceding frame (8) is connected with loading arm (9) through second articulated connecting piece (18), loading arm (9) front end is connected with scraper bowl (11) through first articulated connecting piece (13), scraper bowl (11) are provided with scraper bowl cutting board (19).

2. The wading loader adapted for use in the metal mining industry according to claim 1, wherein: the engine (3) is provided with big water tank (2), louvre (14) have been seted up to the outer wall upside of engine (3), louvre (14) adopt the multiunit setting, the diameter of louvre (14) is 5mm setting by original 2mm increase.

3. The wading loader adapted for use in the metal mining industry according to claim 1, wherein: the ground clearance of the gearbox (5) is lifted to 440mm from the original 150mm, the transmission shaft (4) is lifted to 330mm from the original 150mm, and the wheelbase of the driving devices (16) on the left side and the right side is increased to 2900mm from the original 2300 mm.

4. The wading loader adapted for use in the metal mining industry according to claim 1, wherein: preceding frame (8) all adopt waterproof material to set up with back frame (1), preceding frame (8) all are provided with breather hole (17) with back frame (1) upside, the one end and pipeline (15) of breather hole (17) are linked together, the other end of pipeline (15) is installed in the well upper end of frame, be provided with back frame folding rule (6) on back frame (1), back frame folding rule (6) adopt the design of sinking, guarantee the whole height less than or equal to 2.1 meters of loader body (20) from this, back frame (1) adopt hypsokinesis formula frame to the weight of back frame (1) is greater than the weight of preceding frame (8) far away.

5. The wading loader adapted for use in the metal mining industry according to claim 1, wherein: the loader body (20) is 6350mm 1950mm 2100mm in whole, the turning radius of the loader body (20) is 3950mm, the lifting height is 4350mm, the unloading distance is 800mm when the maximum unloading height reaches 3000mm, the whole weight is 5000KG, and the rated loading mass is 3000 KG.

6. The wading loader adapted for use in the metal mining industry according to claim 1, wherein: the rear frame (1) positioned on the lower side of the cab (7) is arranged in a bent mode, the second hinged connecting piece (18) moves backwards by 430mm and is arranged at the front end of the front frame (8) and the front end of the loading arm (9), the loading arm (9) is designed to be a bent arm, and a bucket cutting board (19) on a bucket on one side of the loading arm (9) is a triangular bucket cutting board.

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